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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 2103. Отображено 100.
24-05-2012 дата публикации

Light-controlled power apparatus

Номер: US20120126634A1
Автор: Jui-Hsiung Wu
Принадлежит: WELL SHIN ELECTRONIC (KUNSHAN) CO Ltd, Well Shin Tech Co Ltd

A light-controlled power apparatus includes an insulating housing, a plurality of conductive terminals and a light-controlled circuit. The conductive terminals are disposed in the insulating housing and partially stretch out of the insulating housing for connecting with an AC power supply. The light-controlled circuit is disposed in the insulating housing and includes a power module, a control module and a switch module having a relay and a driving circuit. The power module is connected with the conductive terminals for getting and dealing with an AC input voltage to output an output voltage. The control module includes a light-detecting unit for detecting environment illumination intensity and then sending out a corresponding first signal, a light-detecting power unit for regulating the output voltage and then providing a work voltage for the light-detecting unit, and a switch control circuit unit capable of getting a second signal reflecting standard illumination intensity.

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Номер записи: 1
11-04-2013 дата публикации

SWITCHING DEVICE, STARTING DEVICE, AND METHOD FOR AN ELECTROMAGNETIC SWITCHING DEVICE

Номер: US20130088011A1
Автор: Cross Juergen, Hartmann Sven, Rentschler Simon, Sakthivadivel Duraisamy, Schueler Harald, Tumback Stefan
Принадлежит:

A switching device has an electromagnetic switching element and a controller, the switching element including two coils on one core which act on a shared armature. In order to implement an operation of the armature to be activatable as rapidly and simply as possible with low power consumption, the controller is designed to have a switch in the current path of the coil in each case to activate each coil. 110-. (canceled)11. A switching device , comprising:an electromagnetic switching element including two coils on one core, wherein the two coils act on a shared armature;at least two switches corresponding to the two coils; anda controller configured to selectively control each switch to be in the current path of the corresponding coil to activate the corresponding coil.12. The switching device as recited in claim 11 , wherein a first coil is a pull-in winding and the second coil is a hold-in winding which electromagnetically act on the shared armature.13. The switching device as recited in claim 12 , wherein the number of turns of the pull-in winding is greater than the number of turns of the hold-in winding by at least three.14. The switching device as recited in claim 13 , wherein the two coils are each separately switchable to the ground potential.15. The switching device as recited in claim 13 , wherein the two coils are each separately switchable to the battery potential.16. The switching device as recited in claim 13 , wherein the switch of the pull-in winding is force-coupled to the armature for shutdown of energization of the pull-in winding.17. A starting device for an internal combustion engine claim 13 , comprising:a starter motor;a coupling device for temporarily coupling the starter motor to the internal combustion engine;a starter controller; andat least one switching device configured as at least one of: (i) a switch for energizing the starter motor; (ii) a coupling mechanism of the coupling device for meshing and demeshing a starter pinion driven by ...

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Номер записи: 2
27-06-2013 дата публикации

INPUT CIRCUIT FOR ALTERNATING CURRENT SIGNAL, AND MOTOR STARTER INCLUDING THE SAME

Номер: US20130163141A1
Автор: VANWEELDEN RONALD A., Verheyen Mark A.
Принадлежит: EATON CORPORATION

An input circuit includes an interface structured to output a logic signal from an alternating current signal of a pair of elongated conductors. A load is switchable to the elongated conductors. A processor outputs a control signal to switch the load to the elongated conductors asynchronously with respect to the alternating current signal for a first predetermined time, inputs the logic signal, determines if the input logic signal is active a plurality of times during the first predetermined time and responsively sets a first state of the alternating current signal, and, otherwise, sets an opposite second state of the alternating current signal, and delays for a second predetermined time, which is longer than the first predetermined time, for the opposite second state before repeating the output, and, otherwise, delays for a third predetermined time, which is longer than the second predetermined time, for the first state before repeating the output. 1. An input circuit for an alternating current signal from a pair of elongated conductors , said input circuit comprising:an interface structured to output a logic signal from the alternating current signal of said pair of elongated conductors;a load switchable to said pair of elongated conductors; and (i) output a control signal to switch said load to said pair of elongated conductors asynchronously with respect to said alternating current signal for a first predetermined time,', '(ii) input the logic signal,', '(iii) determine if the input logic signal is active a plurality of times during the first predetermined time and responsively set a first state of said alternating current signal, and, otherwise, set an opposite second state of said alternating current signal, and', '(iv) delay for a second predetermined time, which is longer than the first predetermined time, for the opposite second state before repeating said output, and, otherwise, delay for a third predetermined time, which is longer than the second ...

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Номер записи: 3
08-08-2013 дата публикации

REMOTE CONTROL POWER ISOLATION SWITCH

Номер: US20130201593A1
Автор: ODwyer Daniel Phillip
Принадлежит: TODAY'S ENERGY TOMORROW'S FUTURE PTY LTD.

A remote control power isolation switch including: an isolation circuit having: a conditioned power supply (CPS) powered from an incoming power; a receiver powered by the CPS and a reception antenna connected thereto; a toggling circuit powered by the CPS and connected to the receiver; and a relay powered by the CPS and operable between “on” and “off” by electrical connection to the toggling circuit; and a remote control circuit having: a portable power supply (PPS); a momentary contact switch operable to connect the PPS to a programmable integrated circuit (PIC); a transmitter powered by the PPS for transmitting a signal matched to the receiver; an electrical connection between the PIC and the transmitter for controlling the transmitter by the PIC; the relay having contacts which connect the incoming power to an outgoing power when “off” and disconnecting the incoming power from the outgoing power when “on”. 1. A remote control power isolation switch including: a conditioned power supply powered from the incoming power supply;', 'a radio frequency receiver powered by the conditioned power supply and having a radio frequency reception antenna electrically connected thereto;', 'a toggling circuit powered by the conditioned power supply and electrically connected to the radio frequency receiver; and', 'a relay powered by the conditioned power supply and operable between an on condition and an off condition by electrical connection to the toggling circuit; and, 'an isolation circuit operatively interposed in an incoming power supply to be remotely switched, the isolation circuit having a portable power supply;', 'a momentary contact switch operable to electrically connect the portable power supply to a programmable integrated circuit;', 'a radio frequency transmitter powered by the portable power supply for transmitting a signal matched to the radio frequency receiver;', 'an electrical connection between the programmable integrated circuit and the radio frequency ...

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Номер записи: 4
22-08-2013 дата публикации

POWER-SUPPLY CONTROL DEVICE

Номер: US20130215549A1
Автор: Aragai Takashi, Miyazaki Hirohito, Ukai Yusuke
Принадлежит:

Power consumption of a relay that switches electric connection between a power supply and a load of a vehicle is suppressed. When receiving a disconnection instruction signal from a control circuit, a disconnection circuit transmits a disconnection signal to a coil of a keep relay, and brings a movable contact into contact with a contact to electrically disconnect the power supply from the load. When receiving a connection instruction signal from the control circuit, a connection circuit transmits a connection signal to a coil of the keep relay, and brings the movable contact into contact with a contact to electrically connect the power supply to the load. An automatic stopping circuit stops the connection signal output from the connection circuit using a voltage or a current supplied from the keep relay to the load. For example, the present invention can be applied to a power-supply control device for the vehicle. 1. A power-supply control device that controls supply of an electric power from a power supply of a vehicle to a load of the vehicle by controlling a relay , the relay switching electric connection between the power supply and the load , the relay being able to retain a state of a contact even if transmission of a control signal is stopped , the power-supply control device comprising:a control circuit that controls the state of the contact of the relay;a connection circuit that transmits a first control signal to the relay in order to put the contact of the relay into a first state in which the power supply and the load are connected to each other when the control circuit transmits a first instruction signal;a disconnection circuit that transmits a second control signal to the relay in order to put the contact of the relay into a second state in which the power supply and the load are disconnected from each other when the control circuit transmits a second instruction signal; andan automatic stopping circuit that is connected between the relay and the ...

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Номер записи: 5
05-09-2013 дата публикации

ENERGY EFFICIENT POWER ADAPTER

Номер: US20130229743A1
Автор: Bennett, JR. James F.
Принадлежит:

According to one embodiment, an AC power adapter for providing voltage to an electrically-operated device includes a power converter module electrically coupled to a power source via at least one hot lead and at least one neutral lead. The power converter module is configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device. The AC power adapter also includes a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module. 115-. (canceled)16. A method of remotely operating a circuit to connect an electrically operated device to an AC power source , the method comprising:causing transmission of a signal from a control device to a relay circuit, the control device remote from the relay circuit, the relay circuit coupled to a power converter module, the power converter module electrically coupled to the AC power source via at least one hot lead and at least one neutral lead, the power converter module being configured to convert AC voltage received from the AC power source to at least one voltage suitable for use by the electrically-operated device, the relay circuit coupled to the at least one hot lead to control the AC voltage passing from the AC power source to the power converter module; andswitching, in response to receipt by the relay circuit of the signal from the control device, the relay circuit to control the AC voltage passing from the AC power source to the power converter module. This application is related to and claims priority to U.S. Provisional Patent Application Ser. No. 61/140,456 filed Dec. 23, 2008, titled “Energy Efficient Power Adapter,” which is hereby incorporated by reference in its entirety herein.The present invention relates generally to a power adapter and, in particular, to an energy efficient power adapter.Standby power, also referred to as vampire power, ghost load, idle current, phantom load, or leaking ...

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Номер записи: 6
12-09-2013 дата публикации

POWER RELAY APPARATUS, POWER RELAY METHOD, POWER SUPPLY CONTROL APPARATUS, POWER SUPPLY CONTROL METHOD, AND POWER SUPPLY CONTROL SYSTEM

Номер: US20130235504A1
Автор: Washiro Takanori
Принадлежит: SONY CORPORATION

The present invention relates to a power relay apparatus, power relay method, power supply control apparatus, power supply control method, and power supply control system which can readily manage individual power consumption. 1. A power relay terminal comprising:an input terminal in which power is input;an output terminal configured to relay the power supplied from the input terminal and outputs to an equipment which is connected and is configured to operate by power; anda storage device which, in order to receive authentication from a power supply control apparatus connected to the input terminal and receive a supply of the power from the power supply control terminal in the input terminal, is configured to output stored power information to the power supply control apparatus via the input terminal, by subjecting a high frequency signal that is input from the power supply control apparatus via the input terminal to load modulation.2. The power relay terminal according to claim 1 , wherein the storage device is an electronic tag.3. The power relay terminal according to claim 2 , further comprising:a filter that is configured to cause the high frequency signal input via the input terminal to be input to the storage device, while inhibiting the power that is input via the input terminal from being input into the storage device.4. The power relay terminal according to claim 3 , further comprising:a filter that is configured to supply the power that is input from the input terminal to the output terminal, while inhibiting the high frequency signal that is input from the input terminal from being supplied to the output terminal.5. The power relay terminal according to claim 3 , further comprising:a power generating unit configured to be connected in parallel to the storage device, and to supply, to the storage device, the voltage generated by the high frequency signal which is input from the input terminal.6. The power relay terminal according to claim 5 , wherein the ...

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Номер записи: 7
07-11-2013 дата публикации

ELECTROMAGNETIC SWITCHING APPARATUS

Номер: US20130294001A1
Автор: Moriguchi Yusuke
Принадлежит: Panasonic Corporation

An electromagnetic switching apparatus includes a contact block to be inserted in an electric path, an electromagnet block for driving the contact block, the electromagnet block being configured to drive the contact block to close the electric path so as to become conductive when an excitation current is supplied from outside, a normally-closed type switch member inserted in a supply path of the excitation current, an acquisition unit configured to obtain an impact detection signal from an impact sensor that is configured to detect an impact, and a control unit configured, based on the impact detection signal obtained by the acquisition unit, to turn off the switch member so as to break the supply path when the impact sensor detects an impact of which magnitude is larger than a predetermined threshold. 1. An electromagnetic switching apparatus comprising:a contact block to be inserted in an electric path;an electromagnet block for driving the contact block, the electromagnet block being configured to drive the contact block to close the electric path so as to become conductive when an excitation current is supplied from outside;a normally-closed type switch member inserted in a supply path of the excitation current;an acquisition unit configured to obtain an impact detection signal from an impact sensor that is configured to detect an impact; anda control unit configured, based on the impact detection signal obtained by the acquisition unit, to turn off the switch member so as to break the supply path when the impact sensor detects an impact of which magnitude is larger than a predetermined threshold.2. The electromagnetic switching apparatus as set forth in claim 1 , further comprising a signal terminal to which the impact detection signal is inputted.3. The electromagnetic switching apparatus as set forth in claim 1 , further comprising a case which houses therein the contact block claim 1 , the electromagnet block claim 1 , the switch member claim 1 , the ...

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Номер записи: 8
02-01-2014 дата публикации

Control Device For Controlling A Circuit Breaker, And Methods

Номер: US20140002944A1
Автор: Forsman Soren, Menezes Joseph
Принадлежит:

A control device for controlling a circuit breaker. The control device includes a central processing unit and is arranged to communicate with an output module arranged to output operational commands to the circuit breaker. The output module includes processing means arranged to execute an operational command at a point of time received from the central processing unit. The invention also encompasses related methods. 1. A control device for controlling a circuit breaker , the control device comprising a central processing unit and arranged to communicate with an output module , the output module arranged to output operational commands to the circuit breaker , characterized in that the output module , comprises processing means arranged to execute an operational command at a point of time received from the central processing unit.2. The control device as claimed in claim 1 , wherein the point of time comprises an absolute time in a time-domain internal to the control device.3. The control device as claimed in claim 1 , wherein the point of time is independent of a message transfer time over a communication backplane or external field/process bus from the central processing unit to the output module.4. The control device as claimed in claim 1 , wherein the central processing unit is arranged to process an input analog signal waveform and commands for circuit breaker open or close; to compensate for a settable open or close angle of the waveform and for circuit breaker operating time; and to transfer claim 1 , based on the processing and compensating claim 1 , a point of time from the central processing unit to the output module at which an operational command is to be transmitted by the output module to the circuit breaker.5. The control device as claimed in claim 1 , further arranged to communicate with an input module claim 1 , the input module arranged to receive measurements from equipment claim 1 , within an electrical power system in which the circuit breaker is ...

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Номер записи: 9
20-02-2014 дата публикации

RELAY DRIVING DEVICE AND METHOD FOR DRIVING A RELAY

Номер: US20140049114A1
Автор: CHEN CHIH-TAI, TSAI Ming-Yang
Принадлежит:

A relay driving device includes first and second power supply modules, a switching circuit, and a control module. The first power supply module outputs a first voltage that has a magnitude sufficient to activate the relay. The second power supply module outputs a second voltage that has a magnitude sufficient to maintain an activated state of the relay. The control module is configured to control the switching circuit to connect the relay to the first power supply module so as to provide the first voltage to the relay for activating the relay, and to subsequently connect the relay to the second power supply module so as to provide the second voltage to the relay for maintaining the activated state of the relay. 1. A relay driving device for driving a relay , said relay driving device comprising:a first power supply module for outputting a first voltage that has a magnitude sufficient to activate the relay;a second power supply module for outputting a second voltage that has a magnitude lower than that of the first voltage and sufficient to maintain an activated state of the relay;a switching circuit coupled to said first and second power supply modules and to be coupled to the relay; anda control module coupled to said switching circuit and configured to control said switching circuit to connect the relay to said first power supply module and to disconnect the relay from said second power supply module so as to provide the first voltage to the relay for activating the relay, and to subsequently connect the relay to said second power supply module and to disconnect the relay from said first power supply module so as to provide the second voltage to the relay for maintaining the activated state of the relay.2. The relay driving device according to claim 1 , wherein the magnitude of the second voltage is not less than a lowest excitation voltage of the relay.3. The relay driving device according to claim 1 , wherein said second power supply module is disposed to ...

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Номер записи: 10
13-03-2014 дата публикации

RELAY FOR AUTOMATICALLY SELECTING A MONITORING RANGE

Номер: US20140071577A1
Автор: Ardiansyah Firman, Fen Teoh Yen, Nam Wong Yoon
Принадлежит:

A relay for automatically selecting a monitoring range for monitoring a parameter of an input source and a method for monitoring a parameter of an input source can be provided whereby the relay comprises one or more terminals for coupling to the input source; a plurality of switchable circuits coupled to the one or more terminals; a processing module coupled to the plurality of switchable circuits for automatically selecting a monitoring range from a plurality of monitoring ranges based on a value of the parameter of the input source, each monitoring range associated with one or more of said switchable circuits; and a relay switch being configured to provide or disrupt electrical communication to a circuit, based on a trigger signal provided by the processing module. A signal conditioning module may also be provided for e.g. conditioning signals prior to selection of the monitoring range. 1. A relay for automatically selecting a monitoring range for monitoring a parameter of an input source , the relay comprising:one or more terminals for coupling to the input source;a plurality of switchable circuits coupled to the one or more terminals;a processing module coupled to the plurality of switchable circuits for automatically selecting a monitoring range from a plurality of monitoring ranges based on a value of the parameter of the input source, each monitoring range associated with one or more of said switchable circuits; anda relay switch configured to provide or disrupt electrical communication to a circuit based on a trigger signal provided by the processing module.2. The relay of claim 1 , further comprising a switching module for implementing the plurality of switchable circuits claim 1 , the switching module comprising at least two switches being each operable in an open state or a closed state claim 1 , wherein the at least two switches are configured to provide different electrical paths from the input source to the processing module based on their individual ...

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Номер записи: 11
01-01-2015 дата публикации

LATCHING RELAY DRIVE CIRCUIT WITH INTERLOCKING WITH THE IGNITION SWITCH OF A VEHICLE

Номер: US20150001924A1
Автор: Kamiya Yukio
Принадлежит: Yazaki Corporation

When a trouble is caused to a control signal output function of a controller (), each of output ports of control signals of the controller () is brought into a high impedance state. Turning on or off an ignition switch (IGN) in this state generates an alternative bias signal in a switch signal input circuit () or an inverter (). The generated alternative bias signal is applied to a set coil energizing switch () or a reset coil energizing switch (). Thus, a latching relay () can be driven on and off, interlocking with an on-operation or an off-operation of the ignition switch (IGN). 1. A drive circuit interposed between a battery of a vehicle and a load of the vehicle and configured to make an on/off drive of a latching relay latched to an on-state and an off-state , respectively , by biasing and turning on a set coil energizing switch and a reset coil energizing switch by a set control signal or a reset control signal which are outputted from a controller , the drive circuit comprising:a set coil bias circuit configured to generate, from a switch signal observed when an ignition switch of the vehicle is in an on-state, a first alternative bias signal replacing the set control signal and to bias the set coil energizing switch by the first alternative bias signal; anda reset coil bias circuit configured to generate, from the switch signal observed when the ignition switch is in an off-state, a second alternative bias signal replacing the reset control signal, the second alternative bias signal having an inverted signal level of the first alternative bias signal replacing the set control signal, and to bias the reset coil energizing switch by the second alternative bias signal.2. The drive circuit according to claim 1 , further comprising:a delay circuit configured to delay, for a predetermined period longer than or equal to an initialization period of the controller, the biasing of the set coil energizing switch by the first alternative bias signal. The present ...

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Номер записи: 12
04-01-2018 дата публикации

ELECTROMAGNETIC SWITCH DEVICE FOR STARTER

Номер: US20180003141A1
Автор: MORIMOTO Yoshihiro
Принадлежит: Mitsubishi Electric Corporation

Provided is an electromagnetic switch device for starter in which an auxiliary relay is provided and which has a small size and can be easily manufactured. The electromagnetic switch device for starter includes: a main contact chamber forming a space in which a pair of main fixed contacts are located and a main movable contact can move; and a sub contact chamber forming a space in which a pair of sub fixed iron cores (A), (B) are located and a sub movable contact can move; and a cylindrical terminal block in which the main contact chamber and the sub coil are arranged so as to be adjacent to each other in the radial direction with a partition wall provided therebetween and separating the sub coil and the main contact chamber from each other. 1. An electromagnetic switch device for starter , comprising:an electromagnetic switch which includes a pair of main fixed contacts, a main movable contact, an attraction coil, and a holding coil and which opens and closes an electric circuit for a motor via the pair of main fixed contacts, and when the attraction coil and the holding coil are energized, moves an overrunning clutch via a shift lever;an auxiliary relay which includes a pair of sub fixed contacts, a sub movable contact, and a sub coil, the pair of sub fixed contacts being connected to the attraction coil and the holding coil of the electromagnetic switch, the auxiliary relay energizing the attraction coil and the holding coil of the electromagnetic switch via the pair of sub fixed contacts in response to a starting signal; anda cylindrical terminal block to which a battery terminal connected to a plus terminal of a battery and a motor terminal connected to the motor are provided, and in which a main contact chamber and the sub coil of the auxiliary relay are arranged so as to be adjacent to each other in a radial direction with a partition wall provided therebetween, the main contact chamber storing the pair of main fixed contacts and the main movable contact of ...

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Номер записи: 13
05-01-2017 дата публикации

CONSTANT VOLTAGE SUPPLYING CIRCUIT FOR CIRCUIT BREAKER

Номер: US20170004944A1
Автор: SEON Jongkug
Принадлежит: LSIS CO., LTD.

The constant voltage supplying circuit for a circuit breaker according the invention comprises: a first switching device; a constant current source configured to supply a constant current; a feedback circuit section commonly connected to an output terminal of each of the first switching device and the constant current source; a constant voltage source connected to the feedback circuit section, and configured to supply a constant voltage; a current adjusting circuit section connected to the output terminal of the first switching device, and configured to adjust an output current of the first switching device; and a divided voltage resistor section including a first resistor and a second resistor, and configured to provide a divided voltage of an output voltage of the constant voltage supplying circuit, to the feedback circuit section, through a connection node between the first resistor and the second resistor. 1. A constant voltage supplying circuit for a circuit breaker , which receives a direct current input voltage obtained by converting an alternating current to a direct current from a rectifying circuit , the constant voltage supplying circuit comprising:a first switching device configured to supply the direct current input voltage after stepping down a voltage;a constant current source connected to the first switching device in parallel, and configured to supply a constant current;a feedback circuit section commonly connected to the first switching device and output terminal of the constant current source;a constant voltage source connected to the feedback circuit section, and configured to supply a constant voltage;a current adjusting circuit section connected to the output terminal of the first switching device, and configured to adjust an output current of the first switching device; anda divided voltage resistor section connected to an output terminal of the current adjusting circuit section and a ground, including a first resistor and a second resistor, ...

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Номер записи: 14
04-01-2018 дата публикации

Safety Switching Device For Fail-Safely Disconnecting An Electrical Load

Номер: US20180005788A1
Автор: Giger Marco, PULLMANN Jürgen, Rupp Roland, SCHWENKEL Hans, SPATARO Antonio, ZINSER Christoph
Принадлежит:

A safety switching device for fail-safely disconnecting an electrical load has an input part for receiving a safety-relevant input signal, a logic part for processing the at least one safety-relevant input signal, and an output part. The output part has a relay coil and four relay contacts. The first and second relay contacts are arranged electrically in series with one another. The third and fourth relay contacts are also arranged electrically in series with one another. The first and the third relay contacts are mechanically coupled to each other and form a first group of positively driven relay contacts. The second and the fourth relay contacts are mechanically coupled to each other and form a second group of positively driven relay contacts. The logic part redundantly controls the first and the second groups of positively driven relay contacts to selectively allow, or to interrupt in a fail-safe manner, a current flow to the electrical load, depending on the safety-relevant input signal. The relay coil is electromagnetically coupled to the first and second groups of positively driven relay contacts so that the logic part can control the relay contacts together via a single relay coil. 1. A safety switching device for fail-safely disconnecting an electrical load , comprising:an input part for receiving at least one safety-relevant input signal,a logic part for processing the at least one safety-relevant input signal, andan output part which comprises a relay coil and a first relay contact, a second relay contact, a third relay contact, and a fourth relay contact,wherein the first and the second relay contacts are arranged electrically in series with one another,wherein the third and the fourth relay contacts are arranged electrically in series with one another,wherein the first and the third relay contacts are mechanically coupled to each other so as to form a first group of positively driven relay contacts,wherein the second and the fourth relay contacts are ...

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Номер записи: 15
04-01-2018 дата публикации

System and Method for Controlling Power of High Speed Vehicle

Номер: US20180005789A1
Автор: HAN Sang Jae, JUNG Chan Young, Kim Hyun Wook, KIM Jin, KWON Hae Yun, LEE Young Jong
Принадлежит:

There are provided a system and a method for controlling power of a high speed vehicle. The system for controlling power of a vehicle includes: a latch relay configured to supply power to a vehicle load or to block power to the vehicle; a communication part configured to output a driving signal when a wakeup signal is received; a pulse generator configured to output a one shot pulse that turns on the latch relay when the driving signal is applied; and a processor configured to control a driving of the latch relay turned on by the one shot pulse when being initialized. 1. A system for controlling power of a vehicle , the system comprising:a latch relay configured to supply power to a vehicle load or to block power to the vehicle;a communication part configured to output a driving signal when a wakeup signal is received;a pulse generator configured to output a one shot pulse that turns on the latch relay when the driving signal is applied; anda processor configured to control a driving of the latch relay turned a on by the one shot pulse when being initialized.2. The system according to claim 1 , wherein when the communication part receives a wakeup signal from a switch integrated circuit (IC) that senses an input a door switch or receive a wakeup signal from a vehicle network through vehicle communication claim 1 , the communication part is configured to output the driving signal.3. The system according to claim 1 , wherein the communication part is a transceiver configured for vehicle network communication.4. The system according to claim 1 , wherein the pulse generator is a one shot trigger circuit.5. The system according to claim 1 , wherein the processor is configured to confirm whether or not a preset power supply condition is satisfied claim 1 , and to maintain turned on status of the latch relay when the power supply condition is satisfied.6. The system according to claim 1 , wherein the processor is configured to confirm whether or not a preset power supply ...

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Номер записи: 16
02-01-2020 дата публикации

DC POWER SYSTEM BREAKER FOR TRANSPORTATION VEHICLE

Номер: US20200006935A1
Автор: Francis Roderick M.
Принадлежит:

A thermal hazard protection circuit for a transportation vehicle comprises an interruptible power circuit connected between a power source and load, and a failsafe circuit operative to permanently interrupt current flow under an overcurrent condition. The interruptible power circuit comprises a Positive Temperature Coefficient (PTC) component in series with bi-stable relay configured as a SPST switch. The failsafe circuit comprises a failsafe relay energized by current in the interruptible power circuit. An input of the failsafe relay is connected to the battery, and a normally closed (NC) output (not connected to the input so long as the failsafe relay is energized) is connected to a control input of the bi-stable relay that opens the SPST switch. In an overcurrent condition, the PTC component limits current flow, switching the failsafe relay input to its NC outputs, providing a control signal to open the SPST switch, rendering the interruptible power circuit non-conductive and isolating the load. 1. A thermal hazard protection circuit for a transportation vehicle including a battery having positive and negative terminals , and one or more loads , comprising: a first positive temperature coefficient (PTC) component operative to limit current through the interruptible power circuit to a first predetermined current value in response to heat in excess of a first predetermined thermal value; and', 'a bi-stable relay connected in series with the first PTC component and operative to selectively open or close the interruptible power circuit;, 'an interruptible power circuit connected between the battery and the load, the interruptible power circuit comprisinga failsafe circuit connected between the interruptible power circuit and a first control input of the bi-stable relay operative to cause the bi-stable relay to open the interruptible power circuit in response to the first PTC component limiting current through the interruptible power circuit.2. The thermal hazard ...

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Номер записи: 17
08-01-2015 дата публикации

INTELLIGENT CIRCUIT BREAKER APPARATUS AND METHODS

Номер: US20150012145A1
Автор: Kiko Frederick J.
Принадлежит:

A system and associated components for providing an intelligent circuit breaker being adapted to communicate with, monitor and control various devices within a commercial or residential premises. In one embodiment, the system is adapted for low cost, ease of installation and operation, and ease of manufacture. The intelligent circuit breaker may also be adapted to send data relating to sensed parameter or conditions to, and receive commands from, a user interface. Methods for operating such breakers and converting existing circuit breakers to intelligent circuit breakers consistent with the aforementioned system and components are also described. 148-. (canceled)49. A method of utilizing a circuit breaker apparatus to evaluate one of a plurality of powered devices associated with said apparatus , said method comprising:receiving data from at least one sensor apparatus configured to sense activity occurring on at least one of a plurality powered devices;comparing said data to a plurality of standard data stored on a storage apparatus;determining a state of said at least one of said plurality of powered devices as at least one of:(i) a powered-on state in normal operation;(ii) a powered-on state in an error condition; and/or(iii) a powered-off state;communicating state of said individual ones of said plurality of powered devices to a user; andcommunicating an action to said at least one powered device, based at least in part on said act of comparing;wherein said powered-on state in normal operation is determined when said data approximates individual ones of said plurality of standard data indicative of normal operation of said at least one powered device;wherein said powered-off state is determined when said data approximates individual ones of said plurality of standard data indicative of said at least one powered device being turned off; andwherein said powered-on state in error condition is determined when said data is outside an acceptable range of said plurality ...

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Номер записи: 18
14-01-2016 дата публикации

EMERGENCY STOP DEVICE

Номер: US20160012992A1
Автор: Benni Dominique, Chauvet Francis, Meftah Tewfik
Принадлежит: Schneider Electric Industries SAS

An emergency stop device including a control assembly which can be actuated in translation along a control axis between a released position and an actuated position, a locking element cooperating with the control assembly and able to assume a locking position to hold the control assembly in its actuated position, a read device configured to generate a command for authorising unlocking of the control assembly, an unlocking actuator configured to act on the locking device to release the control assembly from its actuated position, an actuating element which can be actuated in movement to generate a mechanical energy, and an energy generator configured to convert the mechanical energy supplied by a movement of the actuating element into an electrical energy intended to power the read device. 1. An emergency stop device comprising:at least one electrical contact unit of the normally closed type,a control assembly which can be actuated in translation along a control axis between a released position and an actuated position, and cooperates with the contact unit,a locking element cooperating with the control assembly and able to assume a locking position to hold the control assembly in its actuated position,a read device comprising a microcontroller configured to generate a command for authorizing unlocking of the control assembly,an unlocking actuator configured to receive the unlocking authorisation command, and to act on the locking device with the aim of releasing the control assembly from its actuated position,an actuating element which can be actuated in movement to generate a mechanical energy,an energy generator configured to convert the mechanical energy supplied by a movement of the actuating element into an electrical energy intended to power the read device.2. The device according to claim 1 , wherein the read device is of the RFID type claim 1 , and comprises wherein an antenna is connected to the microcontroller.3. The device according to claim 2 , wherein ...

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Номер записи: 19
11-01-2018 дата публикации

PULSE SOLENOID CONTROL CIRCUIT

Номер: US20180012718A1
Автор: Parker Phil A.
Принадлежит: WCM INDUSTRIES, INC.

Disclosed herein is a device comprising a pulse trigger switch module configured to generate a first control signal in response to a first input signal value and generate the second control signal in response to a second input signal value. An on pulse generator module provides a first pulse signal having a first predetermined pulse duration in response to the first control signal and an off pulse generator module provides a second pulse signal having a second predetermined pulse duration in response to the second control signal. An on pulse switch module connects a power signal to an output in response to the first pulse signal and an off pulse switch module connects the power signal to the output in response to the second pulse signal. 119-. (canceled)20. A method for controlling an electrically latching load , the method comprising:receiving a switch control signal in an on state;providing an on input signal in response to receiving the switch control signal in the on state;generating an on pulse control signal in response to the on input signal, the on pulse control signal having a first pulse duration;in response to the on pulse control signal, providing an output on pulse to an output, wherein the output on pulse is configured to cause the electrically latching load to latch in an on position;receiving a switch control signal in an off state;providing an off input signal in response to receiving the switch control signal in the off state;generating an off pulse control signal in response to the off input signal, the off pulse control signal having a second pulse duration; andin response to the off pulse control signal, providing an output off pulse to the output.21. The method of claim 20 , wherein at least one of the first pulse duration and the second pulse duration are adjustable duration based on an adjustable resistance.22211. The method of claim claim 20 , wherein the adjustable resistance is configured to be adjusted via a jumper.23. The method of claim ...

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Номер записи: 20
10-01-2019 дата публикации

CONTROL DEVICE FOR AN ELECTROMAGNETIC DRIVE OF A SWITCHGEAR

Номер: US20190013169A1
Автор: Meid Wolfgang, Schaar Ingo
Принадлежит:

A control device for an electromagnetic drive of a switchgear includes a plurality of power supply units, each of which is configured to provide, in a specified input voltage range in each case, electrical power that is sufficient for operating the electromagnetic drive: The control device is configured to automatically control the use of the power supply units for operating the electromagnetic drive on the basis of an input voltage of the control device. 1. A control device for an electromagnetic drive of a switchgear , the control device comprising:a plurality of power supply units, each of which is configured to provide, in a specified input voltage range in each case, electrical power that is sufficient for operating the electromagnetic drive,wherein the control device is configured to automatically control the use of the power supply units for operating the electromagnetic, drive, on the basis of an input voltage of the control device.2. The control device according to claim 1 , whereinthe control device comprises a control unit that is configured to control the use of the power supply units for operating the electromagnetic drive on the basis of a measuring voltage bled off from the input voltage of the control device, and/orat least one of the power supply units is configured to be automatically self-activating or self-deactivating on the basis of the input voltage of the control device.3. The control device according to claim 2 , whereinthe control unit is configured to in each case generate a turn-on and a turn-off signal for each of the power supply units such that one or more of the power supply units are activated or deactivated by the corresponding turn-on and turn-off signals, on the basis of the measuring voltage in order to operate the electromagnetic drive.4. The control device according to claim 2 , comprising:a first power supply unit of the power supply units is configured to provide, in a first specified input voltage range, electrical power ...

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Номер записи: 21
09-01-2020 дата публикации

CIRCUIT BREAKER

Номер: US20200013574A1
Автор: KRAUSS Andreas, Stehle Michael
Принадлежит: SIEMENS AKTIENGESELLSCHAFT

The application relates to a power switch for breaking an electrical circuit when current and/or current time span threshold values are exceeded, including an energy converter, which on the primary side is connected to the electrical circuit, and on the secondary side provides an energy supply for at least one control unit of the power switch. A choke is connected between the secondary-side output of the energy converter and the control unit of the power switch. 1. A circuit breaker for interrupting an electrical circuit in an event of at least one of current and current-time period limit values being exceeded , comprising:an energy converter, a primary side of the energy converter being connected to the electrical circuit and a secondary side of the energy converter being configured to provide an energy supply for at least one control unit of the circuit breaker; andan inductor, connected between a secondary-side output of the energy converter and the at least one control unit of the circuit breaker.2. The circuit breaker of claim 1 , wherein a conductor of the electrical circuit forms the primary side of the energy converter.3. The circuit breaker of claim 1 , wherein the inductor is arranged at a first spatial distance from the energy converter.4. The circuit breaker of claim 1 , wherein the inductor is arranged horizontally with respect to a primary conductor.5. The circuit breaker of claim 1 , wherein the inductor includes a magnetic powder core.6. The circuit breaker of claim 5 , wherein the magnetic powder core is closed.7. The circuit breaker of claim 5 , wherein the magnetic powder core comprises Fe claim 5 , Fe/Ni alloys or ferrite.8. The circuit breaker of claim 5 , wherein the magnetic powder core is a toroidal core claim 5 , a U-shaped half-core or E-shaped half-core implemented twice or with a terminating I-shaped connecting core.9. The circuit breaker of claim 1 , wherein the inductor includes a magnetic core composed of a high-permeability material. ...

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Номер записи: 22
17-04-2014 дата публикации

ELECTRIC STORAGE APPARATUS

Номер: US20140104739A1
Автор: NAKAMOTO Takeshi, Shiraishi Takeyuki
Принадлежит: GS Yuasa International Ltd.

An electric storage apparatus includes an output terminal configured to be electrically connected to a system including an engine, an electric storage device, a monitoring apparatus including a detector and a controller, and a relay disposed between the output terminal and the electric storage device. The detector is configured to detect a variation value corresponding to an amount of charge of the electric storage device. The controller is configured to determine whether the variation value is equal to or lower than an opening threshold, and execute an opening process to switch the relay from a closed state to an open state if the variation value is equal to or lower than the opening threshold. The opening threshold is larger than an engine activation low-threshold by a predetermined value. The engine activation low-threshold is a lowest level of the amount of charge at which the engine is able to be started. 1. An electric storage apparatus comprising:an output terminal configured to be electrically connected to a system including an engine;an electric storage device:a monitoring apparatus including a detector and a controller, the detector being configured to detect a variation value corresponding to an amount of charge of the electric storage device; anda relay disposed between the output terminal and the electric storage device, whereinthe controller is configured to:determine whether the variation value detected by the detector is equal to or lower than an opening threshold, the opening threshold being larger than an engine activation low-threshold by a predetermined value, the engine activation low-threshold being a lowest level of the amount of charge at which the engine is able to be started; andexecute an opening process to switch a state of the relay from a closed state to an open state if the variation value is equal to or lower than the opening threshold.2. The electric storage apparatus according to claim 1 , whereinthe controller is further configured ...

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Номер записи: 23
17-04-2014 дата публикации

SWTICHING PHASE OFFSET FOR CONTACTOR OPTIMIZATION

Номер: US20140104740A1
Автор: Hunziker Urs, Kaltenrieder Reynald, Laeuppi Lorenz, Miller James Peter, Weichert Hans
Принадлежит: ROCKWELL AUTOMATION TECHNOLOGIES, INC.

A system and methods providing for minimizing the arc energy delivered to the pads of a plurality of contactors using a single control coil based on monitoring the electrical sine waves of the three alternating current electrical poles and calculating the instant to energize or deenergize a single control coil. The remainder of the contactors will make or break based on an offset in time from the making or breaking of the control contactor. 1. A system comprising:a common crossbar coupled to a first movable contact, a second movable contact, and a third movable contact, wherein the first movable contact, the second movable contact, and the third movable contact are electrically in parallel; and facilitate making the first movable contact with a first stationary contact and making the second movable contact with a second stationary contact at a first time, and', 'facilitate making the third movable contact with a third stationary contact at a second time, wherein the second time is different from the first time., 'a coil configured to move the common crossbar to2. The system of claim 1 , comprising a coil controller configured to:determine an optimal time to make the first movable contact and the second movable contact based on at least one of a voltage supplied to a load, a current supplied to the load, and a type of the load, wherein the optimal time is the first time; anddetermine an offset time to make the third movable contact, wherein second time is the offset time after the first time.3. The system of claim 1 , comprising a coil controller configured to determine when arc energy delivered to the first movable contact and the second movable contact will be at a minimum claim 1 , wherein the instant is the first time.4. The system of claim 3 , comprising a sine wave monitor configured to monitor position on a wave of each phase of an electrical feed claim 3 , and communicate the position on each wave to the coil controller claim 3 , wherein the coil controller ...

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Номер записи: 24
22-01-2015 дата публикации

Device for Controling Electrically Actuable Valves in Different Operating Modes

Номер: US20150022933A1
Автор: Bodenschatz Dirk, Grimme Katharina, Parga-Cacheiro Jose-Luis
Принадлежит:

A device for controlling an electrically actuable valve having a valve coil, including a main switch, situated in the current circuit of the valve coil, for adjusting the current flowing through the valve coil, and a freewheeling path, which has a freewheeling diode and is switched in parallel with the valve coil. A freewheeling switch is provided, by which the freewheeling path is able to be interrupted or closed. This allows for optionally operating the valve in a PMW or in a switching operation. 110-. (canceled)11. A device for controlling an electrically actuable valve having a valve coil , comprising:a main switch, situated in a current circuit of the valve coil, for adjusting the current flowing through the valve coil;a freewheeling path arrangement having a freewheeling diode and is switched in parallel with the valve coil; anda freewheeling switch by which the freewheeling path arrangement is interruptable or closed.12. The device of claim 11 , wherein the freewheeling switch is situated in the freewheeling path.13. The device of claim 11 , further comprising:a voltage limiting device, which is connected to a ground-side terminal of the voltage coil.14. The device of claim 13 , wherein the voltage limiting device includes a Zener diode.15. The device of claim 13 , wherein there is a voltage limitation element between a ground-side terminal of the valve coil and a control terminal of the main switch.16. The device of claim 11 , further comprising:a control unit, which optionally controls the main switch and the freewheeling switch in a PWM operation, in which the main switch is switched on and off according to a specific pulse control factor, the freewheeling switch being switched on, or which controls it in a switching operation, in which the freewheeling switch is switched off and interrupts the freewheeling path.17. The device of claim 11 , wherein at least one of the main switch and the freewheeling switch includes a transistor switch.18. The device of ...

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Номер записи: 25
21-01-2021 дата публикации

Electronic Switching Device and System

Номер: US20210020396A1
Автор: Haines Joshua P., JR. Gerald R., Rohmer Richard M., Savicki
Принадлежит: PASS & SEYMOUR, INC.

The present invention is directed to an electronic switch device, the device including a housing assembly including a front cover assembly having a user accessible surface, a back body assembly, terminals configured to be coupled to an AC power source and the load; an antenna assembly including an antenna substrate disposed inside the housing assembly adjacent a portion of the front cover assembly, an antenna being disposed on the antenna substrate having a conductive grid structure; and a circuit assembly disposed inside the housing assembly coupled to the terminals, the circuit assembly comprising a printed circuit board, the printed circuit board including a ground plane, the circuit assembly being electrically connected to the antenna assembly via a conductor, the printed circuit board being separated from the antenna assembly by a predetermined distance, the circuit assembly including a relay switch having at least one solenoid winding connected to the circuit assembly and a set of contacts. 1. An electronic switch device for controlling a load , the device comprising:a housing assembly including a front cover assembly having a user accessible surface, a back body assembly, and a plurality of terminals configured to be coupled to an AC power source and the load;an antenna assembly comprising an antenna substrate disposed inside the housing assembly adjacent a portion of the front cover assembly, an antenna being disposed on the antenna substrate having a conductive grid structure; anda circuit assembly disposed inside the housing assembly coupled to the plurality of terminals, the circuit assembly comprising a printed circuit board, the printed circuit board including a ground plane, the circuit assembly being electrically connected to the antenna assembly via a conductor, the printed circuit board being separated from the antenna assembly by a predetermined distance, the circuit assembly including a relay switch having at least one solenoid winding connected ...

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Номер записи: 26
10-02-2022 дата публикации

Sensing Electrical Characteristics via a Relay Coil

Номер: US20220043037A1
Автор: Grotkowski Miroslaw, JR. Richard Lee, Long David J., Westrick
Принадлежит:

A current sense system may include a relay, a load conductor, and an integrator sub-circuit. Current may be provided to an electrical load via the load conductor and a latch of the relay. The current carried via the load conductor may induce a sense voltage in a coil of the relay. Based on the sense voltage induced in the relay coil, the integrator sub-circuit may determine a load sense voltage that indicates a level of the current carried via the load conductor. In some implementations, a current indication module may provide an indicator signal based on the load sense voltage. In addition, the indicator signal may be provided to additional components or devices, such as a relay controller configured to activate the latch. In some implementations, the relay controller may be configured to open the latch based on the current level described by the indicator signal. 1. A current sensing system comprising:a relay having (i) a coil and (ii) a latch that is capable of connecting to a power source via an input of the latch and to an electrical load via an output of the latch, wherein the latch is configured to provide a current to the electrical load from the power source;a load conductor that is connected to the output of the latch and a power input of the electrical load, wherein the current provided by the latch is carried via the load conductor,wherein the load conductor is located in proximity to the coil, such that the current carried via the load conductor induces a sense voltage in the coil; andan integrator sub-circuit that has a first connection to an output of the coil and a second connection to an input of the coil,wherein the coil is configured for an activation state, in which, responsive to an activation signal received by the coil, the latch transitions between an open state and a closed state,wherein the coil is further configured for a sensing state, in which the latch is closed and in which the current is provided to the electrical load via the latch ...

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Номер записи: 27
28-01-2016 дата публикации

DRIVE CIRCUIT FOR DC LATCHING DEVICES

Номер: US20160027600A1
Автор: Scripca Lucian, Woytowitz Peter John
Принадлежит:

A drive circuit for a DC latching device includes a battery, a storage element, and a plurality of switches connecting the battery to the storage element for charging the storage element from the battery and discharging the storage element into the coil of a DC latching device. The drive circuit further includes components for determining a state of the DC latching device. The drive circuit may include components for terminating the discharge of the storage element into the coil of the DC latching device in response to determining that the DC latching device has changed states to add reliability to the system and reduce energy consumption. 1. A drive circuit for a DC latching device , the drive circuit comprising:a battery;a plurality of switches for momentarily energizing a coil of a DC latching device from the battery;circuitry configured to measure voltage and current across the coil while applying an AC signal to the coil, determine an inductance of the coil based on the voltage and the current, and determine a state of the DC latching device based on the inductance of the coil; andcircuitry responsive to the determined state of the DC latching device.2. The drive circuit of wherein the circuitry is further configured to add the AC signal to a first signal applied to the coil claim 1 , filter an AC component of a resulting current into the coil to produce a filtered current signal claim 1 , and determine the inductance of the coil based on the voltage claim 1 , and the filtered current signal.3. The drive circuit of further comprising a high-pass filter configured to filter the resulting current.4. The drive circuit of wherein the inductance is determined based on a ratio of the voltage claim 2 , the filtered current signal claim 2 , and frequency of the AC signal.5. The drive circuit of wherein the current lags the voltage by approximately 90 degrees.6. The drive circuit of wherein the inductance of the coil is determined based on a ratio of the voltage claim 5 ...

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Номер записи: 28
24-04-2014 дата публикации

ELECTROMECHANICAL SWITCHING CIRCUIT WITH MEMORY

Номер: US20140111891A1
Автор: Ward Patrick
Принадлежит: SHAKIRA LIMITED

An electromechanical switching circuit comprises an integrated circuit (IC) having an input terminal, an output terminal and a control terminal. The IC is arranged based on a voltage transition at the control terminal, sampling the voltage level at the input terminal and supplying it at the output terminal. The output voltage level is maintained at the output terminal until a voltage transition at the control terminal. A control circuit connected to the control terminal includes a first monostable switch whose actuation causes a voltage transition at the control terminal so the voltage level applied at the input terminal is supplied at the output terminal. An output circuit includes a second, electromechanical, monostable switch whose contacts are moved to their unstable state in response to a first voltage level at the output terminal and allowed to resume their stable state in response to a second voltage level at the output terminal. 1. An electromechanical switching circuit with memory , comprising:(a) an integrated circuit having an input terminal, an output terminal and a control terminal, the IC being arranged in response to a voltage transition in a particular direction at the control terminal to sample the voltage level applied at the input terminal and supply such voltage level at the output terminal, such output voltage level being maintained at the output terminal until a subsequent voltage transition in said particular direction at the control terminal,(b) a control circuit connected to the control terminal, the control circuit including a first monostable switch whose momentary actuation causes a voltage transition in said particular direction at the control terminal so that the voltage level then applied at the input terminal is supplied at the output terminal,(c) an output circuit including a second, electromechanical, monostable switch whose contacts are moved to their unstable state in response to a first voltage level at the output terminal and ...

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Номер записи: 29
10-02-2022 дата публикации

ZERO CROSSING CONTACTOR AND METHOD OF OPERATING

Номер: US20220044895A1
Автор: Bullock Robert Henry Keith Miles, Houghton John, Payne Peter Roy
Принадлежит:

A contactor apparatus and method for operating the contactor apparatus can include a contactor assembly with a contactor coil operably coupled to a contactor switch. One or more sensors can be provided in the contactor assembly adapted to measure one or more aspects of the contactor assembly. Based upon the measured aspects, a controller can initiate operation of the contactor switch to effectively toggle the contactor switch at a zero-crossing point along an alternating current waveform. 1. A method of operating a contactor , the method comprising:receiving, in a controller module, at least two operational characteristics of the contactor, with each operational characteristic representative of a delay time;determining, in the controller module, a contactor time delay for at least one of disconnecting or connecting a power supply by the contactor, the contactor time delay being a summation of a set of delay timings based on the delay time of each operational characteristic; andinitiating, by the controller module, the at least one of disconnecting or connecting of the power supply by the contactor at an initiation time prior to a zero-crossing voltage of an alternating current (AC) waveform of the power supply, wherein the initiation time anticipates the zero-crossing voltage based upon the contactor time delay.2. The method of claim 1 , wherein the at least two operational characteristics of the contactor include at least two of an electrical signal representative of the AC waveform and of an electrical signal delay time claim 1 , a temperature value representative of the temperature of a contactor coil and of a coil temperature delay time claim 1 , or a contactor coil operational characteristic representative of a contactor coil operational characteristic delay time.3. The method of claim 1 , wherein an effective disconnecting or connecting of the power supply coincides with the zero-crossing voltage of the AC waveform.4. The method of wherein the determining is ...

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Номер записи: 30
24-01-2019 дата публикации

Multiple location electrical control system

Номер: US20190027330A1
Автор: Thomas Glen Coon
Принадлежит: Individual

An electrical control device comprising a first housing and a second housing. The second housing further comprises a non-latching mini power relay, a controlled/uncontrolled receptacle, and a common three-way or four-way, switch. The first housing is preferably an isolated controlled and uncontrolled circuit pass-through which is wired to the housing comprising the non-latching mini power relay in such a way to mimic a three-way or four-way switch. The electrical control device may further comprise at least one built-in night light, at least one USB charging port for various devices and/or a remote circuit configured to allow switching from a handheld wireless device.

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Номер записи: 31
23-01-2020 дата публикации

ELECTROMAGNETIC ACTUATING DEVICE FOR A SWITCHING ELEMENT

Номер: US20200027674A1
Автор: PANTKE Michael, RUIDER Martin, SCHWEGLER Thomas, SPEH Thomas
Принадлежит: ZF FRIEDRICHSHAFEN AG

An electromagnetic control mechanism for a switching element is described herein, which can be switched to an open operating state and to a closed operating state by means of an electromagnet and an actuating unit that acts counter to the actuation force of the electromagnet. The electromagnet has a dedicated mechanism for dampening the actuation movement of an anchor of the electromagnet toward a section of the coil, by means of which the actuation speed of the anchor can be reduced after a distance between a section of the anchor facing the coil and the section of the coil becomes shorter than a predefined distance. The mechanism for dampening comprises at least one component connected to the coil, which becomes functionally connected to the anchor after the distance becomes shorter than the defined distance, wherein, as the displacement of the anchor increases, liquid can be discharged from a chamber bordered by the component and the anchor via a throttle mechanism to an extent that reduces the actuation speed of the anchor. 1. An electromagnetic control mechanism comprising:a switching element;an electromagnet further comprising a coil; andan actuating unit that acts counter to an actuation force of the electromagnet,wherein the electromagnet and the actuating unit switch the switching element between an open operating state and a closed operating state; and at least one component connected to the coil and functionally connected to the anchor, at least in part, after the distance between the section of the anchor facing the coil and the section of the coil becomes shorter than the predefined distance;', 'a chamber bordered by the component and the anchor configured to hold a liquid; and', 'a throttle mechanism,', 'wherein the dampener is configured to discharge the liquid from the chamber via the throttle mechanism to reduce the actuation speed of the anchor., 'a dampener configured to dampen an actuation movement of an anchor of the electromagnet toward a ...

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Номер записи: 32
28-01-2021 дата публикации

SUBMARINE CABLE SYSTEM, BRANCHING DEVICE, AND STATE RESPONSE METHOD THEREFOR

Номер: US20210027960A1
Автор: TAKIGAWA Yoshinari
Принадлежит: NEC Corporation

Provided are: a submarine cable system with which it is possible, with a simple configuration, to acquire the state of each of a plurality of high-voltage relays in a branching device; the branching device; and a state response method therefor. The branching device comprises: a plurality of interlocking relays respectively corresponding to a plurality of high-voltage relays for switching feeding paths; a drive unit which supplies drive electric currents supplied to the plurality of high-voltage relays to the plurality of corresponding interlocking relays, respectively; a state detection unit which detects operation states of the plurality of interlocking relays as the operation states of the plurality of high-voltage relays; and a response unit which, on the basis of the result of detection of the operation states of the plurality of interlocking relays, transmits the operation states of the plurality of high-voltage relays. 1. A branching device comprising:a plurality of interlocking relays individually associated with a plurality of high-voltage relays which switch a feeding path;a plurality of drivers supplying drive electric current supplied to the plurality of high-voltage relays to the plurality of associated interlocking relays;a state detector detecting an operation state of each of the plurality of interlocking relays as an operation state of each of the plurality of high-voltage relays; anda responder transmitting, based on a result of detecting an operation state of each of the plurality of interlocking relays, an operation state of each of the plurality of high-voltage relays.2. The branching device according to claim 1 , whereinassociated coils of the plurality of high-voltage relays and associated coils of the plurality of associated interlocking relays are connected in series.3. The branching device according to claim 1 , whereinassociated coils of the plurality of high-voltage relays and associated coils of the plurality of associated interlocking ...

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Номер записи: 33
28-01-2021 дата публикации

ELECTROMAGNETIC RELAY

Номер: US20210027964A1
Автор: Kato Akira, SAKIYAMA KAZUYUKI, Yamakawa Takehiko
Принадлежит:

An electromagnetic relay includes a fixed contact, a moving contact, an electromagnet device, and a second coil. The moving contact moves from a closed position where the moving contact is in contact with the fixed contact to an open position where the moving contact is out of contact with the fixed contact, and vice versa. The electromagnet device includes a first coil and a mover. The mover is actuated on receiving a magnetic flux generated when a current flows through the first coil to move the moving contact from one of the closed position or the open position to the other position. The second coil gives, when a current flows through the second coil, at least a magnetic flux, of which a direction is opposite from a direction of the magnetic flux generated by the first coil, to the mover. 1. An electromagnetic relay comprising:a fixed contact;a moving contact configured to move from a closed position where the moving contact is in contact with the fixed contact to an open position where the moving contact is out of contact with the fixed contact, and vice versa; a first coil and', 'a mover configured to be actuated on receiving a magnetic flux generated when a current flows through the first coil to move the moving contact from one of the closed position or the open position to the other position; and, 'an electromagnet device including'}a second coil configured to give, when a current flows through the second coil, at least a magnetic flux, of which a direction is opposite from a direction of the magnetic flux generated by the first coil, to the mover.2. The electromagnetic relay of claim 1 , further comprising a demagnetization circuit configured to supply an alternating current to the second coil.3. The electromagnetic relay of claim 2 , whereinthe demagnetization circuit includes a capacitor that forms a resonant circuit with the second coil.4. The electromagnetic relay of claim 2 , whereinthe demagnetization circuit includes:a switch configured to open and ...

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Номер записи: 34
01-02-2018 дата публикации

CHARGE PLATE MONITOR AND OPERATING METHOD THEREOF

Номер: US20180031615A1
Автор: CHOI Hyeon Wook, MOON Tae Hoon, YUN Joo Hun
Принадлежит: DONG IL TECHNOLOGY LTD

Disclosed is a charge plate monitor for eliminating a stray capacitor in a relay switch by using a voltage feedback method, and an operation method thereof. The charge plate monitor includes: a measurement plate unit including a conductive plate, a ground surface, and an insulator provided between the conductive plate and the ground surface; a noncontact electrometer provided between the conductive plate and the ground surface of the measurement plate unit and detecting an electrical potential of the conductive plate; a measurement unit reading or passing the electrical potential of the conductive plate detected by the noncontact electrometer; and a voltage feedback circuit unit that feeds the electrical potential of the conductive plate passed by the measurement unit back, and applying the electrical potential to a terminal of a relay switch terminal. 1. A charge plate monitor comprising:a measurement plate unit including a conductive plate, a ground surface, and an insulator provided between the conductive plate and the ground surface;an noncontact electrometer provided between the conductive plate and the ground surface of the measurement plate unit, and detecting an electrical potential of the conductive plate;a measurement unit reading or passing the electrical potential of the conductive plate detected by the noncontact electrometer; anda voltage feedback circuit unit applying the electrical potential of the conductive plate passed by the measurement unit to a terminal of a relay switch by feeding the electrical potential of the conductive plate back.2. The charge plate monitor according to claim 1 , further comprising an HVPS having a voltage application portion combined with the measurement plate unit.3. The charge plate monitor according to claim 2 , wherein in decay mode claim 2 , the measurement unit generates an HVPS on signal and a relay switch on signal claim 2 , and transmits the HVPS on signal and the relay switch on signal to the HVPS and the relay ...

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Номер записи: 35
01-02-2018 дата публикации

A PORTABLE SWITCHING DEVICE TO REMOTELY OPERATE A HIGH VOLTAGE CIRCUIT BREAKER

Номер: US20180032037A1
Автор: Caldwell Eoin
Принадлежит:

A portable switching device to remotely operate a high voltage circuit breaker, the portable switching device is locally temporarily electrically connected to the controlling circuit of the high voltage circuit breaker and comprises: a voltage input (); a voltage output () for connecting to the external circuit; a ground input (); an overvoltage protection circuit () connected between the voltage input () and the ground input (); and a switching unit () comprising a first switching circuit having an input connected to the voltage input and an output connected to the voltage output, the first switching circuit comprising a relay (), a relay contact protection circuit (), and an overload protection circuit (); wherein the first switching circuit is remotely controllable to switch the external circuit from a first operating state to a second operating state. 1. A portable switching device for switching an external circuit , comprising: a voltage output for connecting to the external circuit;', 'a ground input;', 'an overvoltage protection circuit connected between the voltage input and the ground input; and a switching unit comprising a first switching circuit having an input connected to the voltage input and an output connected to the voltage output, the first switching circuit comprising a relay, a relay contact protection circuit, and an overload protection circuit; wherein the first switching circuit is remotely controllable to switch the external circuit from a first operating state to a second operating state., 'a voltage input;'}2. The portable switching device according to claim 1 , wherein the switching unit comprises a second switching circuit having an input connected to the voltage input and an output connected to the voltage output claim 1 , the second switching circuit further comprising a relay claim 1 , a relay protection circuit claim 1 , and an overload protection circuit claim 1 , the first and second switching circuit being separately remotely ...

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Номер записи: 36
04-02-2016 дата публикации

CONTROLLING RELAY ACTUATION USING LOAD CURRENT

Номер: US20160035524A1
Автор: JR. Richard L., Mullins Leslie Wayne, Westrick, Zulim Dalibor
Принадлежит:

In some aspects, a relay control device includes a processor and a timer. The processor is electrically connectable to a relay that controls current flow to a load device. The processor causes the relay to be actuated at a first point in time so that a current flows to the load device. The processor determines an actuation duration for the relay from a measurement of the load current that is obtained with a current sense component. The processor determines a frequency of an input voltage or current from the measured load current. The processor synchronizes the timer with this frequency and identifies a zero-crossing point for a second load current based on the synchronized timer. The processor subsequently causes the relay to be actuated at a time that is offset from the zero-crossing point by the actuation duration. 1. A method comprising:actuating a relay at a first point in time so that a first load current generated from an input voltage or current to an electrical system flows to a load device in the electrical system;determining an actuation duration for the relay from a measurement of the first load current that is obtained with a current sense transformer, wherein the actuation duration comprises a difference between a time at which an actuation signal is provided for the relay and a time at which the relay begins allowing current flow through the relay;determining a frequency of the input voltage or current from the measurement of the first load current;synchronizing a timer of a processing device with the determined frequency of the input voltage or current;identifying a zero-crossing point for a second load current based on the synchronized timer; andactuating the relay at a second point in time, wherein the second point in time is offset from the identified zero-crossing point by the determined actuation duration.2. The method of claim 1 , wherein the method further comprises:prior to actuating the relay at the first point in time, synchronizing the ...

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Номер записи: 37
01-02-2018 дата публикации

ELECTROMECHANICAL CIRCUIT BREAKER FOR A BATTERY DISTRIBUTION BOX OF A MOTOR VEHICLE AND BATTERY DISTRIBUTION BOX

Номер: US20180033575A1
Автор: Zacherl Christian
Принадлежит:

Embodiments of the present disclosure provide an electromechanical circuit breaker for a battery distribution box of a motor vehicle. The electromechanical circuit breaker comprises a housing having a coil arranged therein. To switch the electromechanical circuit breaker, the coil is actuated via a control terminal. The electromechanical circuit breaker includes a common load choke arranged inside the housing. 19-. (canceled)10. An electromechanical circuit breaker for a battery distribution box of a motor vehicle , the electromechanical circuit breaker comprising:a housing;a coil having an armature arranged in the housing;a control terminal arranged on a side of the housing, the control terminal configured to actuate the coil such that a movement of the armature switches the electromechanical circuit breaker; anda common load choke electrically connected to the coil, wherein the common load choke is configured to reduce coupling attenuation.11. The electromechanical circuit breaker according to claim 10 , comprising:a first conductor electrically coupling the coil to the common load choke, wherein the first conductor has a maximum length (L) of 5 cm.12. The electromechanical circuit breaker according to claim 11 , wherein the first conductor has a maximum length (L) of 2 cm.13. The electromechanical circuit breaker according to claim 10 , wherein a switching voltage of the electromechanical circuit breaker is at least 400 V.14. The electromechanical circuit breaker according to claim 10 , wherein the common load choke is arranged inside the housing.15. The electromechanical circuit breaker according to claim 14 , wherein the common load choke is arranged on an inner side of the housing and the control terminal is arranged on an outer side of the same side of the housing.16. The electromechanical circuit breaker according to claim 10 , wherein the control terminal includes a plug connecter and the common load choke is arranged in the plug connector.17. The ...

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Номер записи: 38
31-01-2019 дата публикации

ARC-EXTINGUISHING POWER DEVICE DRIVING APPARATUS AND ARC EXTINGUISHING APPARATUS

Номер: US20190035571A1
Автор: Guo Qiaoshi
Принадлежит: Guangzhou Kingser Electronics Co., LTD

An arc extinguishing power device driving apparatus and an arc extinguishing apparatus of the present disclosure belong to the electrical field, and are particularly an arc extinguishing power device driving apparatus applicable to an electronic arc extinguishing apparatus for driving a power device. The power device that needs to be driven is connected in parallel to a mechanical switch that requires arc extinguishing, and includes a first voltage detection switch. An input end of the first voltage detection switch is connected to two ends of the power device. The first voltage detection switch is connected in series in a driving loop of the power device. The first voltage detection switch is turned on when detecting that there is a potential difference between the two ends of the power device. A driving signal is transferred to the power device by using the first voltage detection switch, to drive the power device to be turned on. The first voltage detection switch is a semi-controllable switch, or a fully-controllable switch whose threshold is less than an on-state voltage of the power device. The present disclosure has advantages of no need of a semiconductor device with a high withstand voltage, real-time detection on disconnection of a mechanical switch, and low driving energy consumption. 1. An arc extinguishing power device driving apparatus , wherein a power device that needs to be driven is connected in parallel to a mechanical switch that requires arc extinguishing , and the arc extinguishing power device driving apparatus comprises a first voltage detection switch , wherein an input end of the first voltage detection switch is connected to two ends of the power device; the first voltage detection switch is connected in series in a driving loop of the power device; the first voltage detection switch is turned on when detecting that there is a potential difference between the two ends of the power device; a driving signal is transferred to the power device ...

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Номер записи: 39
31-01-2019 дата публикации

CONTACTOR COIL CONTROL CIRCUIT

Номер: US20190035583A1
Автор: SU Junxi, TANG Shengbin, YIN Xiangyang
Принадлежит: MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO., LTD.

The present application discloses a contactor coil control circuit, including a switch control circuit, a drive circuit, a fast turn-off circuit, a diode D a first MOS (Metal Oxide Semiconductor) transistor TR and a contactor coil. The fast turn-off circuit at least includes an MOS transistor TR or a triode; the cathode of the diode is connected to an input voltage VIN; the anode of the diode is connected to a first port of the fast turn-off circuit; a second port of the fast turn-off circuit is connected to the drain of the first MOS transistor; the source of the first MOS transistor is grounded; one end of the contactor coil L is connected to an input voltage, and the other end of the contactor coil is connected to the drain of the first MOS transistor; a third port of the fast turn-off circuit is connected to an output port of the drive circuit; an input port of the drive circuit is connected to a first output port of the switch control circuit; and a second output port of the switch control circuit is connected to the gate of the first MOS transistor. On the premise of turning off the contactor quickly, the coil control circuit is lower in loss, adopts a fewer of devices, and is lower in cost and smaller in volume. 1. A contactor coil control circuit , suitable for controlling a coil of the contactor , comprising:a first freewheel diode and a first MOS (Metal Oxide Semiconductor) transistor, further comprising a fast turn-off circuit, a drive circuit and a switch control circuit,the fast turn-off circuit, which forms a freewheel loop with the first freewheel diode, and is configured to provide a low-impedance path for the freewheel loop in pull-in and holding stages and provide a high-impedance path for the freewheel loop in a turn-off stage;the drive circuit, which is configured to provide a drive voltage for the fast turn-off circuit;the switch control circuit, which is configured to control the operation of the first MOS transistor.2. The contactor coil ...

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Номер записи: 40
31-01-2019 дата публикации

CONTROLLABLE ELECTRIC CURRENT SWITCHGEAR AND ELECTRICAL ASSEMBLY COMPRISING THIS SWITCHGEAR

Номер: US20190035584A1
Автор: FOLLIC Stephane, RIZZUTO Silvio, URANKAR Lionel
Принадлежит: Schneider Electric Industries SAS

A controllable electric current switchgear includes a bistable relay including separable electrical contacts and an excitation coil for switching the contacts between open and closed states when the coil receives an amount of energy that is higher than a predefined excitation energy threshold with an electrical power that is higher than a predefined power threshold; and a control circuit including a power stage and a logic stage for triggering the switching of the relay. The power stage includes a power converter, a first set of capacitors connected at the input of the converter and a second set of capacitors connected at the output of the converter, the nominal power of the converter being strictly lower than the power threshold, the sets of capacitors being capable of storing an amount of energy that is higher than or equal to 50% of the excitation energy threshold. 1. A controllable electric current switchgear , said switchgear being capable of being connected between an electrical load and an electric power source , so as to selectively allow or prevent the supply of electric power to the electrical load by the power source , the switchgear comprising:a bistable relay comprising separable electrical contacts and an excitation coil for commanding the switching of the electrical contacts, said electrical contacts being capable of connecting the electrical load to the power source, the relay being capable of switching the electrical contacts between open and closed states when the coil receives an amount of energy that is higher than a predefined excitation energy threshold with an electric power that is higher than a predefined power threshold;a control circuit comprising a power stage and a logic stage, the power stage being capable of providing a supply of electric power to the logic stage, the logic stage comprising an excitation circuit for supplying power to the coil and a programmable microcontroller that drives the excitation circuit so as to trip the ...

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Номер записи: 41
30-01-2020 дата публикации

Control System for Power Transmission Within a Structure

Номер: US20200036187A1
Автор: Sharma Vikrant
Принадлежит:

A system of electrical distribution within a building, which selectively energizes power sockets only when an appliance is connected to the socket and in need of power. 1. A method of controlling electrical mains power to an appliance having an associated conductive member matingly receivable within an electrical socket , the method comprising the steps of:a) delivering a first amount of said mains electrical power from the socket to the appliance, through the associated member;b) the appliance using the first amount of electrical power and a wireless signal to selectively increase the mains electrical power from the socket to a second level substantially greater than the first level; wherec) the wireless signal is received by a controller operated using energy provided from the first amount of mains electrical power.2. The method of where the signal received at the controller is an RF signal broadcast over the air.3. The method of where the signal conforms to the IEEE 802.11 standard.4. The method of where the controller controls a plurality of sockets and a unique ID is assigned to each of the plurality of sockets.5. The method of where the signal includes an ID associated with the socket that the appliance receives power from.6. The method of where a transmitter proximate the socket broadcasts an ID used by the controller to control power from the socket.7. The method of where the controller controls power to each of a plurality of sockets claim 6 , and the transmitter broadcasts respective second IDs used by the controller to individually control power from each of the plurality of sockets.8. The method of where the signal received at the controller is an RF signal broadcast over the air and includes the ID and a respective one of the second IDs.9. The method of where the signal received at the controller is an RF signal broadcast over the air and includes the ID.10. A controller for delivering electrical mains power through an appliance having an associated ...

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Номер записи: 42
12-02-2015 дата публикации

Circuit Breaker and Circuit Breaker Operating Method

Номер: US20150043121A1
Автор: Aoyama Yasuaki, HASHIMOTO Hiroaki, KATO Tatsuro, Morita Ayumu, Ohita Yoichi, Rokunohe Toshiaki, Shiraishi Katsuhiko, URAI Hajime
Принадлежит:

The invention is intended to provide a circuit breaker or a circuit breaker operating method enabling a current interruption action to be performed efficiently. A circuit breaker is characterized in that includes a fixed contact and a movable contact that comes in and goes out of contact with the fixed contact; a main circuit conductor that is electrically connected to the fixed contact and the movable contact; an operating mechanism including a mover configured by concatenating permanent magnets or magnetic materials alternately having opposite N and S magnetic polarities along the direction of motion axis of the movable contact and magnetic poles disposed to face the N and S magnetic polarities of the mover and wound with windings; a current detector that detects a current flowing through the main circuit conductor; and a control device that varies the amount of a current to be supplied to the windings of the magnetic poles, depending on a current value detected by the current detector. 1. A circuit breaker comprising:a sealed tank in which insulating gas is sealed;a fixed contact disposed in the sealed tank and a movable contact that comes in contact with and goes out of contact with the fixed contact;a main circuit conductor that is electrically connected to the fixed contact and the movable contact;an operating mechanism including a mover configured by concatenating permanent magnets or magnetic materials alternately having opposite N and S magnetic polarities along the direction of motion axis of the movable contact and magnetic poles disposed to face the N and S magnetic polarities of the mover and wound with windings;a current detector that detects a current flowing through the main circuit conductor; anda control device that varies the amount of a current to be supplied to the windings of the magnetic poles, depending on a current value detected by the current detector.2. The circuit breaker according to claim 1 , wherein claim 1 ,the plurality of operating ...

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Номер записи: 43
11-02-2016 дата публикации

CONTACTOR, CONTACTOR ASSEMBLY AND CONTROL CIRCUIT

Номер: US20160042899A1
Автор: Zhou Xiao
Принадлежит:

The present invention relates to a contactor, a connector and a contactor component. According to the first aspect of the invention, a contactor relates to a switch mechanism, an iron core, an iron core position sensing circuit and a control circuit. The control circuit can measure the position of the iron core by measuring the variation in inductance by using the property that the coil can produce different inductances when the iron core is in different positions in the coil. According to the second aspect of the invention, a connector and contactor component are provided, wherein a control circuit is arranged on a connector, the control circuit comprises a PWM power-saving circuit. The PWM power-saving circuit is integrated on the connector, so that the average driving current of the contactor is reduced and meanwhile, the size of the contactor is reduced. 1. A control circuit for controlling operation of a contactor , the contactor having an iron core and a coil which is wound around the iron core ,wherein the control circuit comprises an iron core position sensing circuit, which comprises:an excitation signal generating circuit, which is connected with the coil and is capable of outputting an excitation signal to the coil and enabling the coil to generate an inductance, wherein the coil is capable of generating inductance values varying with different positions of the iron core; anda sensing circuit, which is connected with the coil and measures the inductance values produced by the coil, the sensing circuit determining the positions of the iron core according to different inductance values.2. The control circuit according to claim 1 , further comprising a working control circuit claim 1 ,wherein the working control circuit is connected with the coil and provides working current to the coil to close the contactor to switch on a working loop; andwherein the excitation signal generating circuit outputs the excitation signal to the coil when the working loop is in ...

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Номер записи: 44
07-02-2019 дата публикации

Pcb motor controller with pow switching

Номер: US20190044460A1
Автор: Andrew John JAAP, Jerry Michael Watkins, Michael Lee Gasperi
Принадлежит: Rockwell Automation Technologies Inc

A PCB motor controller comprises relays mounted on a PCB and interconnected to power traces in or on the PCB to receive incoming three-phase power and to output three-phase power to a motor. Control power traces in or on the PCB connect the relays to control circuitry, also mounted on the PCB. A power supply is mounted on the PCB and connected to the control circuitry to provide power for its operation and for switching of the relays. The relays are switched in accordance with a point-on-wave (POW) switching scheme, allowing for the use or relays and the PCB, which may not otherwise be suitable for motor control applications.

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Номер записи: 45
07-02-2019 дата публикации

PCB-BASED MOTOR STARTER

Номер: US20190044461A1
Автор: Gasperi Michael Lee, Jaap Andrew John
Принадлежит:

A PCB motor controller comprises relays mounted on a PCB and interconnected to power traces in or on the PCB to receive incoming three-phase power and to output three-phase power to a motor. Control power traces in or on the PCB connect the relays to control circuitry, also mounted on the PCB. A power supply is mounted on the PCB and connected to the control circuitry to provide power for its operation and for switching of the relays. The relays are switched in accordance with a point-on-wave (POW) switching scheme, allowing for the use or relays and the PCB, which may not otherwise be suitable for motor control applications. 1. A motor starter comprising:a printed circuit board having three phase conductors for conveying incoming three phase power from a source and for outputting three phase power to a three-phase AC electric motor;control circuitry mounted on and electrically coupled to the printed circuit board and receiving power from a power supply; andthree single pole relays mounted on and electrically coupled to respective phase conductors to receive the incoming power and to provide the outgoing power when closed based upon signals from the control circuitry to start the electric motor.2. The motor starter of claim 1 , comprising a first driver circuit mounted on the printed circuit board and coupled to the control circuitry and to two of the relays to simultaneously switch the two relays claim 1 , and a second driver circuit mounted on the printed circuit board and coupled to the control circuitry and to the other relay to switch the other relay.3. The motor starter of claim 1 , comprising at least one sensor to sense current and/or voltage waveforms of the incoming power and to provide signals representative thereof to the control circuitry.4. The motor starter of claim 3 , wherein the control circuitry is configured to determine zero crossing times of a waveform and to control switching of the relays based on the zero crossing times.5. The motor starter ...

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Номер записи: 46
15-02-2018 дата публикации

RELAY CONTROL DEVICE

Номер: US20180047535A1
Автор: Sugisawa Yuuki
Принадлежит:

A relay control device is provided configured to reduce the amount of power supplied to a coil in an electromagnetic relay. The relay control device includes a control unit for generating and outputting a PFM signal to control the voltage-drop DC/DC converter unit, a filter unit allowing passage of the PFM signal, and a circuit unit controlling the operation of the voltage-drop DC/DC converter unit in accordance with the output signal of the filter unit. If the filter unit does not allow passage of the PFM signal, the circuit unit prevents the voltage-drop DC/DC converter unit from dropping the voltage, and performs control so as to output the power supply voltage to a coil in the electromagnetic relay. If the filter unit prevents the PFM signal from passing, a current path from a power supply potential to a ground potential within a circuit unit is cut off by transistors. 1. A relay control device that controls switching between a conductive state and a cut-off state of an electromagnetic relay by energizing a coil , comprising:a voltage-drop DC/DC converter unit for dropping a voltage supplied from a power supply and outputting the dropped voltage to the coil;a control unit for outputting a control signal for modulating a pulse frequency to control an operation of the voltage-drop DC/DC converter unit;a filter unit for allowing passage of the control signal output by the control unit that has a predetermined frequency; anda circuit unit for controlling the operation of the voltage-drop DC/DC converter unit in accordance with a signal output by the filter unit, the circuit unit being provided between the filter unit and the voltage-drop DC/DC converter unit,wherein, if the filter unit does not allow passage of the control signal, the circuit unit performs control so that the voltage-drop DC/DC converter unit outputs the voltage supplied from the power supply without dropping the voltage, and cuts off a current path from the power supply to a ground potential within ...

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Номер записи: 47
15-02-2018 дата публикации

REDUCED-COMPONENT HIGH-SPEED DISCONNECTION OF AN ELECTRONICALLY CONTROLLED CONTACTOR

Номер: US20180047536A1
Автор: Meid Wolfgang
Принадлежит:

A contactor includes a coil through which current flows in an active state of the contactor; a controller configured to control the contactor; and a voltage converter, wherein, in the active state, the voltage converter is configured to converts an input voltage into a coil voltage which drops across the coil. The voltage converter can be electrically switched back into the active state from an inactive state using the controller. The contactor is configured to be switched into the active state from the inactive state by activating the voltage converter. The contactor is switched out of the active state into the inactive state by deactivating the voltage converter. 1: A contactor , comprisinga coil through which current flows in an active state of the contactor;a controller configured to control the contactor; anda voltage converter,wherein, in the active state, the voltage converter is configured to convert an input voltage into a coil voltage which drops across the coil, andwherein the voltage converter can be electrically switched back into the active state from an inactive state using the controller,wherein the contactor is configured to be switched into the active state from the inactive state by activating the voltage converter, andwherein the contactor is switched out of the active state into the inactive state by deactivating the voltage converter.2: The contactor of claim 1 , further comprising:a contactor contact configured to be operated and switched on by the coil in the active state of the contactor, and is switched off in the inactive state of the contactor.3: The contactor of claim 1 , characterized in that the controller includes a microcontroller or a microprocessor.4: The contactor of claim 1 , further comprising:a current controller configured to control a current intensity of a coil current.5: The contactor of claim 4 , wherein the controller is configured to control the current controller.6: The contactor of claim 1 , further comprising:a ...

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Номер записи: 48
14-02-2019 дата публикации

ELECTROMAGNETIC SWITCH DEVICE FOR STARTER

Номер: US20190048840A1
Автор: ONO Takuma
Принадлежит: Mitsubishi Electric Corporation

An electromagnetic switch device for a starter includes: a terminal block in which a main contact chamber that is open at an attraction coil side in an axial direction and in which a pair of main fixed contacts and a main movable contact are located, and an auxiliary relay that is open at a side opposite to the attraction coil side in the axial direction, are located; a cover provided at an opening side of the terminal block at which the auxiliary relay is located, the cover having through holes through which main fixed contacts penetrate in a state where the auxiliary relay is sealed; and an elastic member which is located between the auxiliary relay and the cover and which fixes the auxiliary relay in the axial direction together with the terminal block and the cover. 16-. (canceled)7. An electromagnetic switch device for a starter , comprising:an electromagnetic switch which includes a pair of main fixed contacts, a main movable contact, and a main coil, which opens and closes an electric circuit for a motor via the pair of main fixed contacts, and which engages a pinion with a ring gear via a shift lever when the main coil is energized;an auxiliary relay which includes a pair of sub fixed contacts, a sub movable contact, and a sub coil, the pair of sub fixed contacts being connected to the main coil of the electromagnetic switch, the auxiliary relay energizing the main coil of the electromagnetic switch via the pair of sub fixed contacts in response to a start signal;a terminal block in which a main contact chamber that is open at the main coil side in an axial direction and in which the pair of main fixed contacts and the main movable contact are located, and the auxiliary relay that is open at a side opposite to the main coil side in the axial direction, are located;a cover provided at an opening side of the terminal block at which the auxiliary relay is located, the cover having through holes through which the main fixed contacts penetrate in a state where ...

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Номер записи: 49
26-02-2015 дата публикации

Electronic Switch having an In-Line Power Supply

Номер: US20150054471A1
Автор: Aguado Pelaez Miguel, Hausman, JR. Donald F., Salvestrini Christopher James, Yang Bingrui
Принадлежит:

A two-wire smart load control device, such as an electronic switch, for controlling the power delivered from a power source to an electrical load comprises a relay for conducting a load current through the load and an in-line power supply coupled in series with the relay for generating a supply voltage across a capacitor when the relay is conductive. The power supply controls when the capacitor charges asynchronously with respect to the frequency of the source. The capacitor conducts the load current for at least a portion of a line cycle of the source when the relay is conductive. The load control device also comprises a bidirectional semiconductor switch, which is controlled to minimize the inrush current conducted through the relay. The bidirectional semiconductor switch is rendered conductive in response to an over-current condition in the capacitor of the power supply, and the relay is rendered non-conductive in response to an over-temperature condition in the power supply. 1. A two-wire electronic switch for controlling the power delivered from an AC power source to an electrical load , the electronic switch comprising:a latching relay adapted to be coupled in series electrical connection between the source and the load, the latching relay arranged to conduct a load current through the load when the relay is conductive;a controller configured to control the relay to be conductive and non-conductive to turn the load on and off, respectively;an output capacitor arranged to develop a DC supply voltage for powering the controller; andan in-line power supply coupled in series electrical connection with the relay, the in-line power supply further coupled to the output capacitor for generating the DC supply voltage across the output capacitor when the relay is conductive, the power supply configured to conduct the load current through the output capacitor for at least a portion of a line cycle of the AC power source when the relay is conductive;wherein the relay is ...

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Номер записи: 50
26-02-2015 дата публикации

CAPACITIVE DRIVEN NORMAL RELAY EMULATOR USING VOLTAGE BOOST

Номер: US20150055267A1
Автор: Beauregard Chad, Graham Eric
Принадлежит: LITTELFUSE, INC.

A normal relay emulator is described. The normal relay emulator may include a trigger circuit configured to detect a condition on a first power rail, the first power rail having a first voltage supply level. A boost converter electrically coupled to the first power rail and configured to boost the first voltage supply level to a second, higher, voltage supply level is provided. A bi-stable relay having a first terminal and a second terminal and an actuator electrically coupled to the boost converter and communicatively coupled to the trigger circuit is also provided. The actuator may be configured to energize the bi-stable relay using the second voltage supply level such that electrical contact between the first terminal and the second terminal changes between a first state and a second state based on the trigger circuit detecting the condition. 1. A normal relay emulator comprising:a trigger circuit configured to detect a condition on a first power rail, the first power rail having a first voltage supply level;a boost converter electrically coupled to the first power rail and configured to boost the first voltage supply level to a second voltage supply level, the second voltage supply level higher than the first voltage supply level;a bi-stable relay having a first terminal and a second terminal; andan actuator electrically coupled to the boost converter and communicatively coupled to the trigger circuit, the actuator configured to energize the bi-stable relay using the second voltage supply level such that electrical contact between the first terminal and the second terminal changes between a first state and a second state based on the trigger circuit detecting the condition.2. The normal relay emulator of claim 1 , wherein the condition indicates an interruption in input power on the first power rail.3. The normal relay emulator of claim 2 , the actuator comprising:an energy storage device configured to store a quantity of energy based at least in part on the ...

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Номер записи: 51
26-02-2015 дата публикации

METHOD AND APPARATUS FOR RESTORING MECHANICAL RELAY FROM STUCK FAULT TO NORMAL CONDITION

Номер: US20150055269A1
Автор: Kim Do Young
Принадлежит: MANDO CORPORATION

Disclosed herein are a method and apparatus for restoring a mechanical relay from a stuck fault to a normal condition. The method may include detecting, by an MCU, a short state or open state of a relay, repeatedly transferring, by the MCU, a current application signal and a current non-application signal to a relay driver when the relay is in the short state, repeating, by the relay driver, an operation of periodically applying an electric current from a power source unit to the relay in response to the current application signal and the current non-application signal so that the release of the contact point of the relay is induced, detecting, by the MCU, the release state of the contact point of the relay, and maintaining, by the MCU, an ECU in an operating state when the contact point of the relay is released. 1. A method for restoring a relay from a stuck fault to a normal condition in an apparatus comprising a power source unit , the relay , a relay driver , a Main Control Unit (MCU) , and an Electronic Control Unit (ECU) , the method comprising steps of:detecting, by the MCU, a short state or open state of the relay;repeatedly transferring, by the MCU, a current application signal and a current non-application signal to the relay driver when the relay is in the short state;repeating, by the relay driver, an operation of periodically applying an electric current from the power source unit to the relay in response to the current application signal and the current non-application signal so that a release of a contact point of the relay is induced;detecting, by the MCU, the release state of the contact point of the relay; andmaintaining, by the MCU, the ECU in an operating state when the contact point of the relay is released.2. The method according to claim 1 , wherein detecting the short state or open state of the relay comprises detecting claim 1 , by the MCU claim 1 , the short state or the open state based on a voltage difference obtained by comparing voltage ...

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Номер записи: 52
26-02-2015 дата публикации

AC Line Powered Relay Driving Circuits

Номер: US20150055271A1
Автор: Chen Cuiyun, Zhou Xingeng
Принадлежит: Emerson Electric Co.

Disclosed are exemplary embodiments of relay drive circuits. In an exemplary embodiment, a relay drive circuit generally includes a first diode, a second diode, a third diode, a first transistor, a second transistor, a first capacitor, and a second capacitor. The relay drive circuit is operable to transform an AC voltage to a DC voltage, and then use the DC voltage to control on/off of the relay. 1. A relay drive circuit comprising:a first diode having a positive pole and a negative pole;a second diode having a positive pole and a negative pole; anda third diode having a positive pole and a negative pole;a first transistor having a base, an emitter, and a collector;a second transistor having a base, an emitter, and a collector;a first capacitor having a positive pole and a negative pole; anda second capacitor; the positive pole of the first diode is electrically connected to a positive terminal of an AC supply;', 'the negative pole of the first diode is electrically connected to the positive pole of the first capacitor;', 'the negative pole of the first capacitor is electrically connected to a negative terminal of the AC supply;', 'the base of the first transistor is connected to the negative pole of the second diode and the positive pole of the first capacitor;', 'the second diode is connected between the base of the first transistor and the emitter of the first transistor;', 'the second capacitor is connected between the emitter of the first transistor and a relay;', 'the collector of the first transistor is connected to the negative pole of the first diode and the positive pole of the first capacitor;', 'the base of the second transistor is connected with a drive signal to control the second transistor;', 'the collector of the second transistor is connected to the negative pole of the second diode;', 'the emitter of the second transistor is connected to the negative pole of the first capacitor;', 'the positive pole of the third diode and the second capacitor are ...

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Номер записи: 53
25-02-2021 дата публикации

LATCH RELAY CAPABLE OF REAL-TIME STATE CONTROL, STATE CONTROL METHOD FOR LATCH RELAY, AND BATTERY PACK COMPRISING LATCH RELAY CAPABLE OF REAL-TIME STATE CONTROL

Номер: US20210057179A1
Автор: CHO Hyunki, PARK Jaedong
Принадлежит: LG CHEM, LTD.

The present invention relates to a technology that monitors a normal operation state through whether the flow of minute current is maintained in real time when a latch relay is turned on and allows the latch relay to be forcibly turned off through current prestored in a supercapacitor when an off operation of the latch relay is not normally performed. 1. A latch relay for real-time state control , comprising:an off coil unit positioned adjacent to anode and cathode contacts;an on coil unit positioned adjacent to anode and cathode contacts;an additional control unit connected between the off coil unit and the on coil unit and controlling an on/off operation of the off coil unit; anda current storage unit storing current supplied from the on coil unit and supplying the stored current to the additional control unit,wherein when the off coil unit operates abnormally in a situation in which the on operation of the off coil unit is required, the current stored in the current storage unit is applied to the additional control unit, and as a result, the additional control unit is turned on and a connection state between the off coil unit and the anode and cathode contacts is turned on to open the anode and cathode contacts from each other.2. The latch relay of claim 1 , further comprising:a determination unit determining whether a first current is applied to the anode and cathode contacts by the off coil unit when the off coil unit is turned on,wherein as a determination result of the determination unit, when it is determined that the first current is not applied in an on operation state of the off coil unit, the determination unit allows the current stored in the current storage unit to be applied to the additional control unit to turn on the connection state between the off coil unit and the anode and cathode contacts.3. The latch relay of claim 2 , wherein a current value of the first current is smaller than a current value of current required for turning on the anode and ...

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Номер записи: 54
23-02-2017 дата публикации

SELF-LEARNING RELAY TURN-OFF CONTROL SYSTEM AND METHOD

Номер: US20170053760A1
Автор: Hu Daxing, Wan Lili
Принадлежит:

An exemplary embodiment is disclosed of a relay turn-off control system for use with an alternating-current (AC) signal input. The system may include a relay, a relay current load sensor connected to the relay, and a rectifier circuit connected to the relay current load sensor and having an output. A microprocessor may be connected to the rectifier circuit output. The microprocessor may be configured to set a relay turn-off signal output time based on an empirically determined duration time for the relay to turn-off and further based on determining a zero-cross period via use of a modulo operation. 1. A relay turn-off control system for use with an alternating-current (AC) signal input , comprising:a relay;a relay current load sensor connected to the relay;a rectifier circuit connected to the relay current load sensor and having an output;a microprocessor connected to the rectifier circuit output; and a) define a plurality of successive time increments where each of the plurality of successive time increments combined are equal to a cycle time of the AC signal input;', 'b) output a first relay turn-off signal to the relay at a first of the plurality of successive time increments;', 'c) measure a duration time, after step b or f, for the rectifier circuit output to indicate that the relay has turned off;', 'd) perform a modulo operation of (duration time) mod (cycle time/2), wherein a remainder of the modulo operation is one of a non-zero value and a zero value;', 'e) store the remainder and an associated time increment in a memory coupled with the microprocessor;', 'f) output a next relay turn-off signal to the relay at a next of the plurality of successive time increments;', 'g) repeat steps c-f until the stored remainders of successive modulo operations transition from the non-zero value to the zero value or from the zero value to the non-zero value; and', 'h) set a relay turn-off signal output time at the associated time increment where the remainder of ...

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Номер записи: 55
23-02-2017 дата публикации

RELAY WITH INTEGRAL WIRELESS TRANSCEIVER FOR COMMUNICATION AND CONTROL

Номер: US20170053762A1
Автор: CHANG Annie Hanna, KING Alexander Raymond
Принадлежит:

An electro-mechanical relay with at least one pair of switchable electrical contacts includes a wireless communications control function. The wireless communications control function may be a receiver or a transceiver and may be within a relay housing. A cloud server may be connected, via the Internet or wirelessly via a router, in data communication with one or more process locations. Each process location comprises one or more relays capable of receiving wireless communications from a router. The router/wireless interface in wireless communication with a local plant system to transmit control signals from the building management system to the local plant system for controlling the operation of equipment within the local plant. The relays are configured to wirelessly receive operational instructions and to provide operational feedback information to the building management system. 1. An electromechanical relay comprising:at least one pair of switchable electrical contacts;a coil for actuating the at least one pair of contacts; anda wireless communication control circuit for receiving a signal to initiate energizing the coil and concomitantly change the state of the at least one pair of switchable contacts from a first state to a second state.2. The relay as recited in claim 1 , wherein the wireless communication control circuit comprises a receiver.3. The relay as recited in claim 2 , further comprising a transceiver for receiving a signal to initiate energizing the coil.4. The relay as recited in claim 3 , wherein the relay provides operational feedback.5. The relay as recited in claim 4 , wherein the relay provides operational feedback selected from the group consisting of a cycle count claim 4 , an aggregated time the relay has been powered claim 4 , a coil resistance claim 4 , a contact voltage claim 4 , and an internal temperature of the relay.6. The relay as recited in claim 4 , wherein the relay provides operational feedback at a time selected from the group ...

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Номер записи: 56
25-02-2021 дата публикации

SHUTDOWN OF AUTOMATIC IGNITION CONTROLS UPON VALVE RELAY FAILURES

Номер: US20210057905A1
Автор: Chavala Venkata Narasimha Rao, Medepalli Sudhir Raja, Paturu Sowmya
Принадлежит:

A circuit and a method for shutdown of automatic ignition controls upon valve relay failures. One or more embodiments describe a method including controlling a power supply to a valve by a valve drive circuit, the valve drive circuit comprising a first relay coil and a second relay coil. The method also includes controlling the valve drive circuit by checking the first relay coil and the second relay coil and issue a drive signal to the first relay coil and the second relay coil. The method further includes protecting from accidental supply of power by a protection switch based on the drive signal issued by the controller. 1. A circuit comprising:a valve drive circuit comprising a first relay coil and a second relay coil configured to conduct power supply to a valve;a controller configured to control the valve drive circuit by checking the first relay coil and the second relay coil and issue a drive signal to the first relay coil and the second relay coil; anda protection switch configured to control the power supply to the valve based on the drive signal issued by the controller.2. The circuit of claim 1 , wherein the controller provides the drive signal to drive the first relay coil and the second relay coil if the first relay coil and the second relay coil are in a working state and when the power supply is switched on.3. The circuit of claim 1 , wherein the protection switch provides protection from accidental transmission of the power supply when the first relay coil and the second relay coil are in a failed state.4. The circuit of claim 1 , wherein the controller provides the drive signal to the first relay coil and the second relay coil when the power supply is required to be conducted to the valve.5. The circuit of claim 1 , wherein the first relay coil is associated with a first switch and the second relay coil is associated with a second switch.6. The circuit of claim 5 , wherein the first relay coil and the second relay coil are checked by the controller ...

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Номер записи: 57
21-02-2019 дата публикации

METHOD TO DETECT OPERATIONAL STATE OF REMOTE DISCONNECT LATCHING RELAY

Номер: US20190057827A1
Автор: Khan Zafarullah
Принадлежит:

A method and system for monitoring a state of a relay switch. The method applies a voltage signal to a solenoid of the relay switch for actuation of the relay switch, monitors over time current flowing through the solenoid after application of the voltage signal, and calculates a back-emf voltage impressed on the solenoid based on an inflection in the current occurring as a plunger of the relay switch moves. The system includes a voltage source, at least one solenoid solenoid having a plunger, a switch connected to the plunger, and a controller configured to data log the voltage applied to the solenoid and the current flowing through the solenoid upon application of the voltage. 1. A method for monitoring a state of a relay switch , comprising:applying a voltage signal to a solenoid of the relay switch for actuation of the relay switch;monitoring over time current flowing through the solenoid after application of the voltage signal; andcalculating a back-emf voltage impressed on the solenoid based on an inflection in the current occurring as a plunger of the relay switch moves.2. The method of claim 1 , further comprising determining a state of a relay switch after actuation of the relay switch by comparing the calculated back-emf voltage to a predetermined back-emf voltage associated with the relay switch in order to decide whether the relay switch changed between a closed state and an open state.3. The method of claim 1 , wherein the calculating a back-emf voltage comprises:ascertaining a rate of current rise in the solenoid prior to any inflections in the current rise;identifying a first inflection point and a second inflection point in the current flowing through the solenoid due to the plunger of the relay switch respectively starting to move and later stopping;measuring an asymptotic current level after the second inflection point;deriving a resistance and an impedance of the solenoid based respectively on the asymptotic current level and the rate of current ...

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Номер записи: 58
21-02-2019 дата публикации

Cascading Contactor Drive System

Номер: US20190057828A1
Автор: David GURTNER, Gilbert DE GUZMAN, Scott Stewart
Принадлежит: K2 Energy Solutions Inc

A system for sequentially interconnecting battery modules of a battery pack is disclosed. The battery pack may comprise first, second and third battery modules. Each of the first, second and third battery modules includes a first power output terminal and a second power output terminal. Each of the first power output terminals is of a first polarity and the each of the second power output terminals is of a second, opposite polarity. The system comprises a control module for providing a control signal to sequentially interconnect the battery modules, a first interconnect controller electrically disposed between the first and second battery modules, and a second interconnect controller electrically disposed between the second and third battery modules. Each of the first and second interconnect controllers includes a contactor comprising a main contact, an auxiliary contact and an actuating coil for closing the respective main contact and auxiliary contact. The actuating coil of the first interconnect controller responds to the control signal to close the respective main contact, coupling the first battery module to the second battery module, and to close the respective auxiliary contact to pass the control signal to the second interconnect controller. The actuating coil of the second interconnect controller responds to the passed control signal from the first interconnect controller to close the respective main contact of the second interconnect controller, coupling the third battery module to the previously connected first and second battery modules.

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Номер записи: 59
22-05-2014 дата публикации

METHOD FOR DRIVING AN ACTUATOR OF A CIRCUIT BREAKER, AND ACTUATOR FOR A CIRCUIT BREAKER

Номер: US20140139964A1
Автор: Chladny Ryan, Derkx Jeroen, Mechler Günther, REUBER Christian, Stengel Gregor
Принадлежит: ABB TECHNOLOGY AG

A method and system for driving an actuator of a circuit breaker are disclosed. The method includes supplying a coil of the actuator with a first voltage, wherein the coil can generate a magnetic field, which can cause an armature to move relative to a stator of the actuator from a closed position to an opened position. A second voltage of reverse polarity can be supplied to the coil with respect to the first voltage while the armature is moving relative to the stator, such that the coil can generate a reverse magnetic field, which decelerates the relative movement of the stator and the armature. 1. A method for driving an actuator of a circuit breaker , the method comprising:supplying a coil of the actuator with a first voltage, the coil configured to generate a magnetic field which causes an armature to move relative to a stator of the actuator from a closed position to an opened position; andsupplying the coil with a second voltage of reverse polarity with respect to the first voltage, while the armature is moving relative to the stator, and wherein the coil is configured to generate a reverse magnetic field, which decelerates the relative movement of the stator and the armature.2. The method of claim 1 , wherein the first voltage is almost constant during a first time period (t) and the second voltage is almost constant during a second time period (t).3. The method of claim 1 , comprising:{'sub': '1', 'supplying the first voltage to the coil during a first time period (t);'}{'sub': '2', 'supplying the second voltage to the coil for a second time period (t); and'}switching off the second voltage after the second time period.4. The method of claim 3 , comprising:{'sub': 1', '2, 'choosing the first time period (t) and the second time period (t), such that a movement speed of the armature relative to the stator approaches a specified value, when the actuator is approaching the opened position.'}5. The method of claim 3 , comprising:{'sub': 1', '2, 'choosing the ...

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Номер записи: 60
01-03-2018 дата публикации

Switching apparatus and method for switching a current

Номер: US20180061598A1
Автор: Andreas NEUNDLINGER, Florian Festl, Thomas Fuchs
Принадлежит: SIEMENS AG

A switching apparatus is disclosed for switching a current, formed using a phase conductor and a switch arranged in the phase conductor, for the purpose of switching a transmission of current via the phase conductor. In addition, the switching apparatus includes a circuit for deriving a test current from the phase conductor via a ground conductor; a sensing apparatus for detecting the test current and an evaluation apparatus for evaluating the detected test current. A control apparatus is used to control closing of the switch arranged in the phase conductor. The evaluation apparatus is configured to detect a zero crossing for an alternating current and the control apparatus is set up to prompt closing of the switch arranged in the phase conductor in accordance with the time of the zero crossing. An embodiment reduces abrasion or wear on the switch as a result of short-circuit currents during switching-on.

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Номер записи: 61
02-03-2017 дата публикации

ELECTRICAL RELAY HAVING ELECTROMAGNETIC, NON-VOLATILE STATE RETENTION

Номер: US20170062162A1
Автор: Monaghan Keith Eric, Resch Paul Michael, Sichenzia Robert James
Принадлежит:

A relay including an interface circuit, a magnetic core, and an output transistor. The interface circuit includes a plurality of input terminals, a voltage supply terminal, and at least one output terminal. The magnetic core is connected to the interface circuit and configured to form at least one bit of non-volatile core memory. The output transistor includes a plurality of conduction terminals and a control terminal. The control terminal is connected to the output terminal of the interface circuit. 1. A relay comprising:an interface circuit including a plurality of input terminals, a voltage supply terminal, and at least one output terminal;a magnetic core connected to the interface circuit and configured to form at least one bit of non-volatile core memory; andan output transistor including a plurality of conduction terminals and a control terminal, the control terminal being connected to the output terminal of the interface circuit.2. The relay of claim 1 , further comprising an electrical isolation circuit connected between the interface circuit and the output transistor claim 1 , the electrical isolation circuit being connected to the output terminal of the interface circuit and the control terminal of the output transistor.3. The relay of claim 1 , wherein the interface circuit is configured to polarize the magnetic core in a first direction when a pulse input signal is received on one of the input terminals.4. The relay of claim 3 , wherein the interface circuit is configured to polarize the magnetic core in a second direction when a pulse input signal is received on another one of the input terminals.5. The relay of claim 4 , wherein the interface circuit is configured to read the direction of polarization of the magnetic core.6. The relay of claim 5 , wherein the interface circuit is configured to turn on or turn off the output transistor based on the direction of polarization read.7. The relay of claim 1 , further comprising an input winding wrapped ...

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Номер записи: 62
02-03-2017 дата публикации

LATCHING RELAY DRIVE CIRCUIT

Номер: US20170062163A1
Автор: NISHIO Norikazu
Принадлежит: Omron Corporation

A latching relay drive circuit includes a transistor that goes off when an operation switch is open, and a transistor connected in parallel to a capacitor and an operation coil. The transistor comes on when the transistor goes off to allow a reset current to flow into the operation coil. Accordingly, an enough reset current can be supplied, even if a power supply is shut off due to a power failure, to securely recover a single winding latching relay. 1. A latching relay drive circuit comprising:an operation coil disposed in a single winding latching relay;a capacitor connected in series to the operation coil;an operation switch disposed to charge the capacitor with a power supply to allow a set current to flow into the operation coil;a first switch element being a single first switch connected in parallel to both ends of a series circuit comprising the operation coil and the capacitor to form a closed circuit comprising the series circuit when the first switch element is turned on to allow a current discharged from the capacitor to flow;a first switch element drive circuit in which the current discharged from the capacitor and applied to a signal input unit of the first switch element flows as when the operation switch is open or a failure in supplying power from the power supply occurs; anda discharge preventing element configured to prevent the current discharged from the capacitor from being flowed into other than the first switch element drive circuit while the operation switch is open or there is a failure in supplying power from the power supply.2. The latching relay drive circuit according to claim 1 , further comprisinga detection circuit detecting that the operation switch is open or a failure in supplying power from the power supply to change a state of the first switch element drive circuit so that a current discharged from the capacitor flows into the first switch element drive circuit.3. The latching relay drive circuit according to claim 2 , whereinthe ...

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Номер записи: 63
02-03-2017 дата публикации

IMPROVED MICRO-SOLENOID CONTACTOR FOR A MOTOR VEHICLE STARTER, AND CORRESPONDING STARTER

Номер: US20170062164A1
Автор: GUESNEY Tristan, METRAL Jean Sébastien
Принадлежит:

A contact-breaker for a heat engine starter comprises a cap, a micro-solenoid having a coil which is stationary relative to the cap, and a core which is translational relative to the cap between a starting position and an end position. At least two contact terminals are stationary relative to the cap. A contact plate is inside the cap and is movable between a deactivated position in which the contact plate is spaced from the contact terminals and an active position in which the contact plate is in contact with the contact terminals. The contact-breaker is characterized in that the contact plate is secured to the core of the micro-solenoid in such a way that the contact plate drives the core of the micro-solenoid towards the starting position of the core when the contact plate moves from the active position into the deactivated position. 2. Contactor according to claim 1 , wherein claim 1 , when the coil of the micro-solenoid is supplied electrically claim 1 , the core is maintained in the initial position.3. Contactor according to claim 1 , wherein the core in the initial position prevents the contact plate from being in the active position.4. Contactor according to claim 1 , wherein the micro-solenoid is arranged such that claim 1 , when the coil of the micro-solenoid is deactivated claim 1 , and when the contact plate goes from the deactivated position to the active position claim 1 , the core goes from its initial position to its final position.5. Contactor according to claim 1 , wherein the core goes from its initial position to its final position by being attracted by a magnet or by means of the small plate which thrusts it claim 1 , or a resilient element which is compressed in the initial position of the core.643243412143. Contactor according to claim 1 , wherein it is configured such that a gap exists between a head () of the core () of said micro-solenoid () and a face of said contact plate () claim 1 , when the said core () is in the final position. ...

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Номер записи: 64
10-03-2016 дата публикации

METHOD AND DEVICE FOR CONTROLLING A SOLENOID ACTUATOR

Номер: US20160069466A1
Автор: Etzler Dirk
Принадлежит:

A solenoid actuator for an injection valve or an intake valve is driven with current control during closed-loop control phases. In between the closed-loop current control, the actuator must be clamped to an opposite voltage so as to quickly decrease the current through the solenoid. The current is measured immediately following the clamping phase so as to determine whether or not the clamping phase resulted in the correct current level. If the measured current indicates an extraneous reduction in the current, the clamping phase duration is shortened for the next activation of this clamping phase. If the measured current indicates an insufficient decrease, the clamping phase duration is lengthened for the next following activation cycle. 1. A method of driving a solenoid actuator , the method comprising:connecting a voltage signal to the actuator and causing an electric current to flow through the actuator, the current having mutually different current intensities during temporally offset phases of actuator operation;selectively operating the actuator during a plurality of temporally subsequent closed-loop current control phases during which the current is maintained within a given target window defined between a lower current set point and a higher current set point, wherein the current through the actuator is measured and the voltage signal is adjusted to cause the current to remain within the given target window;selectively operating the actuator in a clamping phase between two respective closed-loop current control phases, during which clamping phase the current through the actuator is decreased by applying an inverted voltage signal to the actuator for a given clamping time period;measuring the current through the actuator immediately following the clamping phase to determine whether the current intensity has undershot or overshot the target window of the subsequent closed-loop current control phase; and if the current intensity has undershot the lower current ...

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Номер записи: 65
10-03-2016 дата публикации

Arrangement for an Electrical Switch Element, In Particular A Contact or Relay, and Electrical Switch Element Having a Control Module Between the Yoke Member and Coil

Номер: US20160071675A1
Автор: Haehnel Thomas, Koetter Albert, Maranke Christian, Marschner Tobias, Wagner Rene, Ziegler Titus
Принадлежит: TE Connectivity Germany GmbH

An electrical switch element is disclosed. The electrical switch element has a coil member, a yoke having at least one yoke member, and a control module. The control module is disposed between the coil member and the yoke member. 1. An electrical switch element , comprising:a coil member;a yoke having at least one yoke member; anda control module; whereinthe control module is disposed between the coil member and the yoke member.2. The electrical switch element according to claim 1 , wherein the control module has a pocket having protection walls which extend away from the yoke member.3. The electrical switch element according to claim 2 , further comprising electrical structural elements positioned in the pocket.4. The electrical switch element according to claim 3 , further comprising electrical connection elements positioned on the control module and complementary connection elements positioned on the coil member claim 3 , wherein the electrical connection elements matingly connect with the complementary connection elements.5. The electrical switch element according to claim 4 , further comprising an assembly flange attached to the coil member claim 4 , the assembly flange connecting to the control module.6. The electrical switch element according to claim 5 , wherein the complementary connection elements are disposed on the assembly flange.7. The electrical switch element according to claim 1 , wherein the control module extends through a recess of the yoke to an outer side of the yoke.8. The electrical switch element according to claim 7 , wherein the control module is displaceably received in the recess.9. The electrical switch element according to claim 8 , wherein the recess opens toward a free end of the yoke member.10. The electrical switch element according to claim 7 , wherein the control module has at least one projection.11. The electrical switch element according to claim 10 , wherein the yoke has a complementary receiving member claim 10 , and the ...

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Номер записи: 66
08-03-2018 дата публикации

Battery pack

Номер: US20180069411A1
Автор: Dukjung Kim
Принадлежит: Samsung SDI Co Ltd

A battery pack includes a main switch configured to electrically connect a battery module and a load, a power supply configured to supply driving power to the main switch, and a power blocking device configured to block the driving power based on a current flowing between the battery module and the load.

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Номер записи: 67
09-03-2017 дата публикации

Power relay for a vehicle

Номер: US20170069450A1
Автор: Helmut Kraus, Manuel Engewald, Markus Birner, Matthias Schwarz, Ricardo Pimenta, Sebastian Rothmayr, Thomas Singer, Wolfgang Weiss
Принадлежит: Ellenberger and Poensgen GmbH

A power relay for a vehicle is disclosed. The power relay has a housing formed by a connector base and a housing can set thereon, two connection bolts being inserted into the connector base for contacting a load circuit. The power relay further has a coil subassembly arranged in the housing and containing a solenoid coil and an armature. The armature is coupled by a force-transmission member to a contact bridge and can shift in the housing, under the effect of a magnetic field generated by the solenoid coil, in such a way that the contact bridge can be reversibly moved between a closing position, in which the contact bridge bridges the connection bolts in an electro conducting manner, and an opening position, in which the contact bridge is not in contact with the connection bolts. The housing can is configured as an injection-molded component made of plastic.

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Номер записи: 68
27-02-2020 дата публикации

MULTI-FUNCTIONAL MULTI-PURPOSE MAGNETICALLY OPERATED ELECTRIC SWITCH

Номер: US20200066470A1
Автор: Mitchell Soweto Abijah
Принадлежит:

A device capable of operating as an electric switch and more particularly as an electric switch wherein the movable contacts of the switch are moved by magnetic fields and also where the switch contacts themselves are connected to the magnets, or are the magnets themselves, using electrically conductive contacts which may either be fastened to, but insulated from the magnets, or are directly attached to the magnets themselves and each contact attached to conductive wire. This switch device was originally designed for fast switching applications and to handle high voltage spikes and small current arcs in order to drive and provide timing for an Energy Efficient motor/fan and POV display where the LEDs for the display are powered solely by, traditionally wasted, high voltage back EMF energy. The scope of this invention, however, covers any motor, fan, engine or other apparatus which is capable of being driven by electrical current flowing through the electric switch device described herein. 1. A device capable of operating as an electric switch and more particularly as an electric switch wherein the movable contacts of the switch are moved by magnetic fields and also where the switch contacts themselves are connected to one or more magnets , or are the magnet(s) themselves , utilizing electrically conductive contacts which may either be fastened to , but insulated from the magnets , or are directly attached to the magnets themselves , or are placed in close enough proximity to be pushed or pulled to physically interact with the contact(s) when a Trigger Magnet traverses past or near the device and each electrical contact then attached to conductive wire or electromagnetic coil if wireless electrical connection is desired.2. An electric switch device with electrical contacts fastened to magnets or which are magnets themselves , that may be utilized in more than one application or function including but not limited to fast switching applications , including acting as an ...

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Номер записи: 69
28-02-2019 дата публикации

WALL-MOUNTED DEVICE

Номер: US20190069419A1
Автор: LI CHAO-HAN
Принадлежит:

Disclosed is a wall-mounted device, which is mainly provided with a base and a cover plate, and the at least one module circuit board is provided in the cover plate. The power terminal of at least one module circuit board is electrically connected to an exterior live wire circuit of the base, so the interior live wire circuit is able to independently supply power to the module circuit board of the cover plate. As the result, the base is able to fit or replace with any cover plate provided with module circuit board, and connects to any electronic device or network to remotely control and operate. 1. A wall-mounted device comprising:a base, provided in a wall, provided with a concave part, the concave part being disposed with an interior live wire circuit and an exterior live wire circuit, wherein the exterior live wire circuit and a live wire provided in the wall are connected in series, and a switch is provided between the interior live wire circuit and the exterior live wire circuit to control a state of current transmitting of the interior live wire circuit via the switch; anda cover plate, combined on the base, provided with at least one module circuit board in the cover plate, and power terminal of at least one module circuit board being electrically connected to the exterior Live wire circuit of the base to supply power to at least one module circuit board.2. The wall-mounted device as claimed in claim 1 , wherein the concave part of the base is further disposed with a neutral wire circuit claim 1 , and the neutral wire circuit and the neutral wire provided in wall are connected in series claim 1 , and the neutral wire circuit and a neutral wire provided in the wall are connected in series claim 1 , and the neutral wire circuit is connected with at least one elastic sheet claim 1 , and is further combined with a metal sheet claim 1 , one side of metal sheet is connected to the module circuit board of the cover plate.3. The wall-mounted device as claimed in ...

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Номер записи: 70
11-03-2021 дата публикации

MUTUALLY EXCLUSIVE POWER CONTROLLER WITH MASTER LOCKOUT

Номер: US20210074498A1
Автор: Leitensdorfer Michael A.
Принадлежит:

A mutually exclusive power controller with master lockout. The controller includes a plurality of isolated power circuits electrically connected to an AC power supply. Each of the isolated power circuits has a female receptacle for mating engagement with a corresponding male plug and a relay electrically connected to the receptacle. The relay connects the receptacle to the AC power supply when the relay is energized. A master lockout electrically connected between the AC power supply and the relay of each of the isolated power circuits disconnects the isolated power circuits from the AC power supply when the master lockout is at rest. 1. A mutually exclusive power controller comprising: a female receptacle configured for mating engagement with a corresponding male plug; and', 'a relay electrically connected to the receptacle, the relay configured to connect the receptacle to the AC power supply when the relay is energized; and, 'a plurality of isolated power circuits configured to be electrically connected to an AC power supply, each of the isolated power circuits comprisinga master lockout electrically connected between the AC power supply and the relay of each of the isolated power circuits, the master lockout configured to disconnect the isolated power circuits from the AC power supply when the master lockout is at rest.2. The power controller set forth in claim 1 , wherein the master lockout comprises a normally open master lockout terminal and a master lockout coil claim 1 , the master lockout coil having an end electrically connected to a DC power supply and another end electrically connected to a corresponding master lockout terminal connector claim 1 , the master lockout coil configured to be energized by the DC power supply for closing the normally open master lockout terminal when the master lockout coil is connected to ground via the corresponding master lockout terminal connector.3. The power controller set forth in claim 2 , further comprising a flyback ...

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Номер записи: 71
05-06-2014 дата публикации

CHARGING AND DISCHARGING CONTROL APPARATUS OF DC LINK CAPACITOR IN ELECTRIC POWER STEERING RELAY AND METHOD THEREOF

Номер: US20140153151A1
Автор: Lim Tae Seo
Принадлежит: MANDO CORPORATION

Exemplary embodiments of the present invention relate to a charging and discharging apparatus of a DC link capacitor in an electric power steering relay, in which the DC link capacitor turning-on the electric, power steering relay includes at least two switching elements charged or discharged by a collector current so as not to relay on an internal temperature, facilitates a circuit design, and meets an electronic control system which applies time constants in a lump using software, and a method thereof. 1. A charging-discharging control apparatus of a DC link capacitor in an electric power steering relay , comprising:a DC, link capacitor configured to turn-on the electric power steering relay by charging an electric charge, a first switching unit configured to control charging of the DC link capacitor by being shorted between the DC link capacitor and a power supply unit; and a second switching unit configured to control discharging of the DC link capacitor by being shorted between the DC link capacitor and a ground,wherein the first switching unit includes at least one transistor to control the charging of the DC link capacitor using a collector current thereof, andthe second switching unit includes at least one transistor to control the discharging of the DC link capacitor using a collector current thereof.2. The charging-discharging control apparatus of claim 1 , wherein the first switching unit includes:a first transistor configured to be connected to the power supply unit through a first resistor; anda second transistor configured to be connected to the first transistor through a second resistor to control a current flowing in the DC link capacitor from the power supply unit using the first transistor.3. The charging-discharging control apparatus of claim 2 , wherein the second switching unit includes:a third transistor configured to be connected to the DC link capacitor through a third resistor; anda fourth transistor configured to be connected to the third ...

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Номер записи: 72
15-03-2018 дата публикации

POWER CABLE ASSEMBLY HAVING A CIRCUIT PROTECTION DEVICE

Номер: US20180076616A1
Автор: "OBrien Sean Delaney", Banas Thomas Michael, Thrush Roger Lee
Принадлежит:

A power cable assembly includes a power cable extending between a first end and a second end having a hot conductor and a neutral conductor. The power cable assembly includes a circuit protection device along the power cable between the first and second ends. The circuit protection device has a ground fault circuit interrupt (GFCI) device configured to sense a current difference on the hot and neutral conductors to initiate a triggering event. The circuit protection device has a high-power relay device connected to the GFCI device. The high-power relay device is connected to the hot conductor and is configured to open the hot line when the triggering event is initiated by the GFCI device. 1. A power cable assembly comprising:a power cable extending between a first end and a second end, the power cable having a hot conductor and a neutral conductor; anda circuit protection device along the power cable between the first and second ends, the circuit protection device having a ground fault circuit interrupt (GFCI) device configured to sense a current difference on the hot and neutral conductors to initiate a triggering event, the circuit protection device having a high-power relay device connected to the GFCI device, the high-power relay device being connected to the hot conductor and being configured to open the hot line when the triggering event is initiated by the GFCI device.2. The power cable assembly of claim 1 , wherein the high-power relay device is normally open claim 1 , the circuit protection device closing the high-power relay device during operation of the power cable assembly and allowing the high-power relay device to open when the triggering event is sensed.3. The power cable assembly of claim 1 , wherein the high-power relay device and the GFCI device are in line with the power cable.4. The power cable assembly of claim 1 , wherein the high-power relay device and the GFCI device are contained within a common housing.5. The power cable assembly of claim ...

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Номер записи: 73
26-03-2015 дата публикации

Integrated high voltage contactor and service disconnect

Номер: US20150084724A1
Автор: Philip Michael Gonzales, Ray C. Siciak
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

An integrated contactor/service disconnect assembly according to an exemplary aspect of the present disclosure includes, among other things, a stationary contact, a movable contact selectively movable relative to the stationary contact and a service disconnect unit configured to block the movable contact from contacting the stationary contact.

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Номер записи: 74
18-03-2021 дата публикации

ELECTROMAGNETIC RELAY

Номер: US20210082646A1
Автор: HARIMOCHI Hiroyuki, IWASAKA Hiroyuki, KAWAGUCHI Naoki, Minowa Ryota, OGAWA Shinichi, OTSUKA Kohei
Принадлежит:

The electromagnetic relay includes a fixed terminal, a fixed contact connected to the fixed terminal, a movable contact piece moving in an opening direction and a closing direction with respect to the fixed terminal, a movable contact connected to the movable contact piece and being arranged to face the fixed contact, a coil generating an electromagnetic force to move the movable contact piece, and a drive circuit controlling a current to the coil. The drive circuit increases the current at a first increase rate in a first period that includes a period from a start time when the current starts to flow in the coil to before a contact time point at which the movable contact contacts the fixed contact. The drive circuit increases the current at a second increase rate larger than the first increase rate in the second period that includes a period after the contact time point. 1. An electromagnetic relay comprising:a fixed terminal;a fixed contact connected to the fixed terminal;a movable contact piece configured to move in an opening direction and a closing direction with respect to the fixed terminal;a movable contact connected to the movable contact piece and arranged to face the fixed contact;a coil configured to generate an electromagnetic force to move the movable contact piece; anda drive circuit configured to control a current to the coil,whereinthe drive circuit is configured to increase the currentat a first increase rate, in a first period including a period from a start time when the current starts to flow in the coil to before a contact time point at which the movable contact contacts the fixed contact, andat a second increase rate larger than the first increase rate, in a second period including a period after the contact time point.2. The electromagnetic relay according to claim 1 , whereinthe drive circuit is configured to hold the current to the coil at a current value larger than a current value during the first period, in a third period after the ...

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Номер записи: 75
14-03-2019 дата публикации

WIDE OPERATING RANGE RELAY CONTROLLER

Номер: US20190080868A1
Автор: Riley James
Принадлежит: LITTELFUSE, INC.

Provided herein is an improved bi-stable relay operable with a relay control circuit including a boost converter and an energy storage device, which is used to switch the bi-stable relay. In some embodiments, the bi-stable relay includes a solenoid wound with multiple coil windings. A conductive plate (e.g., a bus bar) may be coupled to a plunger of the solenoid, and is provided with contacts on each end of the conductive plate. The conductive plate is configured to electrically engage and disengage the solenoid upon respective application of power to the solenoid. The control circuit causes the solenoid to remain in an open position when selectively energized by a pulse for moving and retaining the conductive plate of the plunger against the solenoid for allowing wide operating voltage and reduced operating power. 1. A relay controller system comprising:a bi-stable relay comprising:a first terminal and a second terminal;a conductive plate operable with the first and second terminals; anda plunger coupled to the conductive plate for actuating the conductive plate relative to the first and second terminals; anda control circuit in communication with the bi-stable relay, the control circuit including:a boost converter electrically configured to boost a first voltage supply level to a second voltage supply level, the second voltage supply level higher than the first voltage supply level;an energy storage device electrically coupled with the boost converter; anda closed relay driver circuit and an open relay driver circuit electrically coupled with the boost converter and the energy storage device, wherein the closed relay driver circuit provides a first signal to the bi-stable relay, and wherein the open relay driver circuit provides a second signal to the bi-stable relay.2. The relay controller system of claim 1 , further comprising a trigger circuit electrically coupled with the energy storage device and the boost converter claim 1 , the trigger circuit configured to ...

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Номер записи: 76
24-03-2016 дата публикации

PERMANENT MAGNET OPERATING DEVICE

Номер: US20160086756A1
Автор: Bang Young Bong, CHOI Ji Won, CHOI Myeong Seob, KIM YOUNG IL, KOH Heung Ryeol, Lee Chang Hyuk
Принадлежит:

The disclosure relates to a permanent magnet actuator comprising: a stator iron core having a space therein-side, and having a first wall and a second wall opposing the first wall; a movable element moving reciprocally between the first wall and the second wall, along a moving axis which connects the first wall and the second wall inside the space; a first magnetomotive force supplying body and a second magnetomotive force supplying body disposed respectively on the first wall and the second wall, so as to supply a magnetomotive force to the movable element for the reciprocal movement thereof, wherein, at least one of the first magnetomotive force supplying body and the second magnetomotive force supplying body selectively produces a bidirectional magnetomotive force; a permanent magnet disposed between the first magnetomotive force supplying body and the second magnetomotive force supplying body, and providing a coercive force to the movable element for maintaining the state thereof; and a driving circuit comprising a control unit for controlling a voltage or current that is supplied to the first magnetomotive force supplying body and the second magnetomotive force supplying body. 1. A permanent magnet actuator comprising:a stator iron core having a first wall and a second wall which faces the first wall to define a space therein;a movable element which is positioned in the space to reciprocate between the first wall and the second wall along a moving axis connecting the first wall and the second wall;a first magnetomotive force supplying body and a second magnetomotive force supplying body each of which are located on a first wall side and a second wall side in the space so as to provide a magnetomotive force to the movable element for reciprocating the same, wherein at least one of the first magnetomotive force supplying body and the second magnetomotive force supplying body is configured to selectively generate a bidirectional magnetomotive force;a permanent ...

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Номер записи: 77
31-03-2022 дата публикации

COMMUNICATION DEVICE FOR AN ELECTRICAL SWITCHING UNIT

Номер: US20220102099A1
Автор: DECHAMPS Fabien
Принадлежит: Schneider Electric Industries SAS

A communication device including an actuator driven by a control circuit, the communication device further including: 1. A low-power-consumption communication device for an electrical switching unit , said electrical switching unit comprising an actuator driven by a control circuit , the communication device comprising:a connector that can be connected to the control circuit, to receive a state signal sent by the control circuit and to receive an electrical power supply voltage supplied by the switching unit;a capacitor configured to be recharged from the power supply voltage received from the input connector when the state signal takes a predefined value;a bistable relay comprising a normally-open electrical contact connected to output terminals of the communication device to form a dry electrical contact; anda pulse generator supplied by the capacitor and being configured to excite the bistable relay and thus switch the electrical contact when the capacitor reaches a predefined level of charge.2. The communication device according to claim 1 , further comprising a current-limiting circuit connected between the input connector and the capacitor claim 1 , said current-limiting circuit being configured to supply the capacitor from the received electrical power supply voltage solely when the state signal takes the predefined value.3. The communication device according to claim 1 , wherein the relay comprises an additional electrical contact coupled to an output of the connector to send a signal indicating that the relay has changed state.4. The communication device according to claim 3 , wherein the additional electrical contact is biased by the voltage supplied by the capacitor.5. The communication device according to claim 3 , wherein the additional electrical contact is a normally-closed contact.6. The communication device according to claim 1 , wherein the electrical power supply voltage supplied by the switching unit is lower than or equal to 15 volts.7. The ...

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Номер записи: 78
19-06-2014 дата публикации

SOLENOID OPERATED CIRCUIT

Номер: US20140169919A1
Автор: Ablabutyan Karapet, Marji George Y.
Принадлежит: MAXON INDUSTRIES, INC., dba Maxon Lift Corp.

A solenoid operated circuit comprises a solenoid switch having a solenoid coil for moving one or more electrical contacts from a first position to a second position to switch an electrical motor ON/OFF, and a solenoid controller that includes an arc suppression circuit that mitigates a reverse self-induced voltage from the electrical motor thereby suppressing electrical arcing on switch contacts. 1. A solenoid operated circuit , comprising:a solenoid switch having a solenoid coil for moving one or more electrical contacts from a first position to a second position to switch an electrical motor ON/OFF; anda solenoid controller comprising an arc suppression circuit that mitigates a reverse self-induced voltage from the electrical motor, thereby suppressing electrical arcing on solenoid switch contacts;the solenoid controller further comprising a power assist circuit that regulates electrical power to the solenoid coil, wherein in one operational mode the power assist circuit provides electrical power to the solenoid coil from a first power source, and in another operational mode the power assist circuit provides electrical power to the solenoid coil from a second power source to maintain the voltage across the solenoid coil above a dropout voltage.2. The solenoid operated circuit of claim 1 , wherein the arc suppression circuit comprises a filter circuit that absorbs the electrical energy due to said reversed self-induced voltage from the electrical motor.3. The solenoid operated circuit of claim 2 , wherein:the filter circuit of the suppression circuit comprises a capacitor connected inparallel between the solenoid switch terminals and in series to the electrical motor; andwherein the capacitor functions as a filter circuit at the instant of voltage reversal in the solenoid switch contacts, such that the capacitor absorbs the electrical energy due to said reversed self-induced voltage of a motor coil of the electrical motor and transfers that energy back to the motor ...

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Номер записи: 79
30-03-2017 дата публикации

CURRENT SENSING SWITCH FOR USE WITH PUMPS

Номер: US20170089345A1
Автор: Afshar Reza
Принадлежит:

A current sensing switch for use with a pump that is physically separate from the pump and contains a current sensor for measuring the electrical current flowing to the pump as a method of determining whether the pump is operating in low fluid, dry conditions, or with an impeller that has ceased to rotate. When the current drops below or raises above a predetermined value for a predetermined amount of time, the switch electrically disconnects power to the pump and reconnects it periodically to cheek whether the state of the pump has changed. 1. A switch for a pump comprising:a housing having a plurality of prongs extending therefrom and a plug socket;a circuit board having a relay capable of electrically connecting and disconnecting said prongs to said plug socket;said circuit board further comprising a programmable controller, a current sensor, a data center, a power switch, and a current setting switch;wherein activating said power switch energizes said circuit board and causes said relay to electrically connect said prongs to said plug socket;wherein said current sensor transmits to said data center a measurement of an electric current flowing to said pump through said plug socket;wherein said current setting switch transmits to said data center a current setting value; andwherein said controller compares said measurement from said current sensor to said current setting value such that if said measurement is less than said current setting value for a predetermined amount of time, then said controller causes said relay to electrically disconnect said prongs from said plug socket.2. The switch for a pump according to wherein said housing further comprises a first half and a second half that attach together to enclose said circuit hoard within a waterproofed cavity.3. The switch for a pump according to further comprising a microprocessor within which said data center and said programmable controller are incorporated.4. The switch for a pump according to further ...

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Номер записи: 80
29-03-2018 дата публикации

METHODS AND SYSTEMS FOR USING A LIGHT EMITTING DIODE TO SWITCH A DEVICE ON AND OFF

Номер: US20180090290A1
Автор: MORGENSHTEIN Arkadiy
Принадлежит: GIVEN IMAGING LTD.

An on/off switching circuit includes an on/off switch switchable between an on state and an off state, an light emitting diode (LED) driver to power one or more LEDs to illuminate an area of interest, a switch control unit to transition the on/off switch between the on and off states, the switch control unit including a light sensing circuit comprising at least one LED of the LEDs as a light sensor, and a bi-directional gate circuit. When the on/off switch is in the off state the bi-directional gate is in a first conducting state in which the bi-directional gate circuit connects the light sensor to the light sensing circuit, and when the on/off switch is in the on state the bi-directional gate is in a second conducting state in which the bi-directional gate connects the LED driver to the one or more LEDs including the light sensor. 1. An on/off switching circuit comprising:a switch circuit switchable between an on state and an off state;an LED driver to power one or more light emitting diodes (LEDs);an LED signal decoder to receive an output signal from a light sensor comprising at least one LED selected from the one or more LEDs, and to control an on/off state of the switch circuit based on light sensed by the light sensor; anda bi-directional gate circuit switchable between a first conducting state in which the bi-directional gate circuit connects the light sensor to the LED signal decoder and a second conducting state in which the bi-directional gate connects the LED driver to the one or more LEDs including the LEDs functioning as the light sensor.2. The switching circuit as in claim 1 , wherein when the switch circuit is in the off state the bi-directional gate is in the first conducting state claim 1 , and when the switch circuit is in the on state the bi-directional gate is in the second conducting state.3. The switching circuit as in claim 1 , wherein the bi-directional gate and the LED driver are powered regardless of the on/off state of the switch circuit.4 ...

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Номер записи: 81
21-03-2019 дата публикации

ELECTROMAGNETIC RELAY DEVICE AND CONTROL METHOD THEREOF

Номер: US20190088431A1
Автор: WU Kun-Nan
Принадлежит:

The present disclosure illustrates an electromagnetic relay device and a control method thereof. In the electromagnetic relay device, a control circuit respectively provides driving power to switch on the two electromagnetic relay units disposed adjacent to each other, and then provides the first holding power and the second holding power, lower than the driving power, to the two electromagnetic relay units after the two electromagnetic relay units are switched on, thereby maintaining the two electromagnetic relay units in the switched-on status. When the electromagnetic relay unit receiving the second holding power is tripped because of the environmental factor, the electromagnetic relay unit receiving the second holding power generates and outputs the trip feedback signal to the control circuit, so that the control circuit increases the first holding power upon receipt of the trip feedback signal. The second holding power is lower than or equal to the first holding power. 1. An electromagnetic relay device , comprising:two electromagnetic relay units, being the same model and disposed adjacent to each other; anda control circuit electrically connected to the two electromagnetic relay units and configured to provide driving power to the two electromagnetic relay units to switch on the two electromagnetic relay units, and then provide first holding power and second holding power to the two electromagnetic relay unit respectively after the two electromagnetic relay units are switched on, so as to maintain the two electromagnetic relay units in switched-on status, wherein the driving power is higher than the first holding power and the second holding power, and the second holding power is lower than or equal to the first holding power;wherein when the electromagnetic relay unit receiving the second holding power is tripped because of an environmental factor, the electromagnetic relay unit receiving the second holding power generates and outputs a trip feedback signal ...

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Номер записи: 82
30-03-2017 дата публикации

CONTROL APPARATUS FOR RELAY AND CONTROLLING METHOD THEREOF

Номер: US20170092448A1
Автор: Chuang Chih-Tarng, Hu Jian-Wei
Принадлежит: COMPAL ELECTRONICS, INC.

A control apparatus for a relay and controlling method thereof. The controlling method includes: detecting an input voltage of the relay and a current flowing through the relay; obtaining a voltage zero crossing point information according to the input voltage and a reference voltage value; turning on the relay at an initial turn-on time point according to the voltage zero crossing point information, and obtaining a real turn-on time point of the relay according to the current flowing through the relay; obtaining a turn-on delay of the relay according to the initial turn-on time point and the real turn-on time point, and adjusting the initial turn-on time point to obtain a compensated turn-on time point according to the turn-on delay. 1. A controlling method of a relay , comprising:detecting an input voltage of the relay and a current flowing through the relay;obtaining a voltage zero crossing point information according to the input voltage and a reference voltage value;turning on the relay at an initial turn-on time point according to the voltage zero crossing point information, and obtaining a real turn-on time point of the relay according to the current flowing through the relay; andobtaining a turn-on delay of the relay according to the initial turn-on time point and the real turn-on time point, and adjusting the initial turn-on time point to obtain a compensated turn-on time point according to the turn-on delay.2. The controlling method of the relay as claimed in claim 1 , wherein after the relay is turned on claim 1 , the controlling method further comprises:obtaining a current zero crossing point information according to the current flowing through the relay and a reference current value;setting an initial turn-off time point for turning off the relay, and obtaining a peak occurrence time point of the current after the relay is turned off;setting a compensation unit time, when the peak occurrence time point is larger than or equal to a preset time, adjusting ...

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Номер записи: 83
30-03-2017 дата публикации

CURRENT MANAGED DRIVE SYSTEM FOR ENERGIZING CONTACTORS AND OTHER COIL-BASED EXTERNAL LOADS

Номер: US20170092449A1
Автор: Thornton Christopher Derek, Vandergrift Adrian E.
Принадлежит: HAMILTON SUNDSTRAND CORPORATION

The disclosure herein relates to a current managed drive system for utilizing a current output to engage and hold a contactor. The current managed drive system includes the contactor comprising a single coil that has a momentary high pull-in current and a low hold current and a contactor coil drive configured to control the current output to the contactor to match the momentary high pull-in current to engage the contactor and the low hold current to hold the contactor. 1. A current managed drive system for utilizing a current output to engage and hold a contactor , comprising:the contactor comprising a single coil that has a momentary high pull-in current and a low hold current; anda contactor coil drive configured to control the current output to the contactor to match the momentary high pull-in current to engage the contactor and the low hold current to hold the contactor.2. The current managed drive system of claim 1 , wherein the contactor coil drive is configured to utilize a high efficiency current managed drive to manage the momentary high current to engage the contactor.3. The current managed drive system of claim 1 , wherein the contactor coil drive is configured to limit the current output to the low hold current to hold the contactor closed.4. The current managed drive system of claim 1 , wherein the contactor coil drive comprising an enabled switch configured to control the current output on or off5. The current managed drive system of claim 1 , wherein the contactor coil drive is configured to vary an output current limit value in real time to initially control the current output to match the momentary high pull-in current and then substantially reduce the current output to the low hold current to hold the contactor closed.6. The current managed drive system of claim 1 , wherein the coil drive comprises:a direct current (DC) voltage source configured to provide direct current to a converter.7. The current managed drive system of claim 1 , wherein the ...

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Номер записи: 84
01-04-2021 дата публикации

RELAY COIL DRIVE CIRCUIT

Номер: US20210096185A1
Автор: Adkins Kyle B., Carlson Andrew E.
Принадлежит:

A relay device may include an armature that moves between a first position that electrically couples the armature to a first contact and a second position that electrically couples the armature to a second contact. The relay device may also include a relay coil that receives a voltage to magnetize the relay coil, thereby causing the armature to move from the first position to the second position. The relay device may also include a drive circuit that couple the voltage to the relay coil, such that the voltage is higher than a rated voltage associated with the relay coil. 1. A relay device , comprising:an armature configured to move between a first position that electrically couples the armature to a first contact and a second position that electrically couples the armature to a second contact;a relay coil configured receive a voltage configured to magnetize the relay coil, thereby causing the armature to move from the first position to the second position; anda drive circuit configured to couple the voltage to the relay coil, wherein the voltage is higher than a rated voltage associated with the relay coil.2. The relay device of claim 1 , wherein the voltage is approximately between four and five times the rated voltage.3. The relay device of claim 1 , wherein the drive circuit comprises:a first voltage source configured to output the rated voltage to the relay coil; anda second voltage source configured output an additional voltage.4. The relay device of claim 3 , wherein the drive circuit comprises a switch configured to couple the second voltage source to the relay coil.5. The relay device of claim 4 , wherein the switch is configured to uncouple the second voltage source from the relay coil after the armature moves from the first position to the second position.6. The relay device of claim 1 , wherein the drive circuit is configured to output a constant current to the relay coil.7. The relay device of claim 1 , wherein the drive circuit comprises:a switching ...

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Номер записи: 85
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR UTILIZING POW SWITCHING TO SYNCHRONIZE WITH A ROTATING LOAD

Номер: US20210096186A1
Автор: Dziekonski Stefan T., Elmiger David, Langer Randall S., Omari Ahmad K.
Принадлежит:

A control system may include a processor that may receive a first dataset associated with power properties of a rotating load device coupled to a relay device. The processor may also determine frequency properties based on the power properties and determine a switching profile to control moving a first armature of three armatures in the relay device based on the frequency properties. The switching profile is configured to control movement of the first armature between a first position and a second position, and wherein the switching profile comprises a firing angle for moving the first armature with respect to an electrical waveform, a second armature, and a third armature. The processor may then control a current provided to a relay coil of the relay device based on the switching profile, such that the relay coil causes the first armature to move. 1. A system , comprising: an armature configured to move between a first position that electrically couples a first contact to a second contact and a second position that electrically uncouples the first contact from the second contact;', 'a coil is configured to receive a voltage configured to magnetize the coil, thereby causing the armature to move from the first position to the second position; and, 'a switching device, comprising receive a first dataset associated with power properties of a rotating load device coupled to the switching device, wherein the first dataset is received while the rotating load device is rotating;', 'determine frequency properties based on the power properties;', 'determine a switching profile to control moving the armature between the first position and the second position based on the frequency properties, wherein the switching profile comprises a firing angle for moving the armature with respect to an electrical waveform; and', 'control the voltage provided to the coil based on the switching profile., 'a control system configured to2. The system of claim 1 , wherein the switching device ...

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Номер записи: 86
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR IMPLEMENTING MULTIPLE MOTOR STARTERS WITH A PRINTED CIRCUIT BOARD

Номер: US20210096187A1
Автор: Jaap Andrew J., Langer Randall S., Omari Ahmad K.
Принадлежит:

A method may include receiving, via one or more processors, back electromotive force (EMF) data associated with each motor electrically coupled to a printed circuit board and determining, via the processors, a corresponding motor controller associated with each motor based on the EMF data. The motor controllers may be electrically coupled to the printed circuit board. The method may also include automatically adjusting, via the processors, circuit connections associated with the printed circuit board to route wiring that controls each motor to the corresponding motor controller. 1. A system , comprising: a printed circuit board;a power supply electrically coupled to the printed circuit board;a plurality of motors electrically coupled to the printed circuit board;a plurality of motor controllers electrically coupled to the printed circuit board, wherein each motor controller of the plurality of motor controllers comprises a set of switches configured to provide power from the power supply to a respective motor of the plurality of motors; and receive back electromotive force (EMF) data associated with each motor of the plurality of motors;', 'determine a corresponding motor controller of the plurality of motor controllers associated with each motor based on the EMF data associated with each motor; and', 'automatically adjust circuit connections associated with the printed circuit board to route wiring that controls each motor to the corresponding motor controller., 'control circuitry electrically coupled to the printed circuit board, wherein the control circuitry comprises one or more processors and memory including instructions, that when executed by the one or more processors, cause the one or more processors to2. The system of claim 1 , wherein the instructions cause the one or more processors to send a signal to each load-side terminal of the printed circuit board to transmit the back EMF data to the control circuitry claim 1 , wherein each load- side terminal of ...

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Номер записи: 87
05-04-2018 дата публикации

RELAY WITH A CONTROLLER

Номер: US20180096809A1
Автор: Schaper Elmar
Принадлежит:

The disclosure relates to a relay having a relay contact, having an electrical connection terminal at which an electrical variable can be tapped off, a control connection for receiving a control signal for opening the relay contact, and a controller. The controller is configured to respond to the reception of the control signal by sensing a change of amplitude of the electrical variable and to open the electrical relay contact with a time delay when a rising amplitude of the electrical variable is sensed, in order to reduce an electrical loading on the relay contact. The controller is further configured to respond to the reception of the control signal by opening in a first disconnection process, to sense the amplitude of the electrical variable, to close the relay contact when the rising amplitude is sensed and to open it again, with a time delay, in a second disconnection process. 1. A relay having a relay contact , comprising:an electrical connection terminal at which an electrical variable can be tapped off;a control connection for receiving a control signal for opening the relay contact; anda controller that is configured to respond to the reception of the control signal by sensing a change of amplitude of the electrical variable and to open the electrical relay contact with a time delay when a rising amplitude of the electrical variable is sensed, in order to reduce an electrical loading on the relay contact; respond to the reception of the control signal by opening the relay contact in a first disconnection process,', 'sense the amplitude of the electrical variable,', 'close the relay contact when the rising amplitude is sensed, and', 'open the relay contact again, with a time delay, in a second disconnection process., 'wherein the controller is configured to2. The relay according to claim 1 , wherein the controller is configured to open the relay contact after expiry of a predetermined interval of time after the reception of the control signal when the ...

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Номер записи: 88
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR RELAY CONTACT ASSEMBLY REDUCTION

Номер: US20210098205A1
Автор: Elmiger David, Langer Randall S.
Принадлежит:

Systems and methods for contact erosion mitigation are provided. To perform contact erosion mitigation, an order of opening/closing poles and/or contact relays of particular poles is altered, resulting in a sharing of potential arcing conditions amongst the poles/contact relays of these poles. 1. A multi-pole switch , comprising:a first pole comprising one or more first contact switches;a second pole comprising one or more second contact switches; anda third pole comprising one or more third contact switches;wherein the multi-pole switch is configured to enable contact erosion mitigation by altering ordering of opening, closing, opening and closing the first contact switches, the second contact switches, and third contact switches between a first open operation and a second open operation, between a first close operation and a second close operation, or both between the first open operation and the second open operation and between the first close operation and the second close operation.2. The multi-pole switch of claim 1 , wherein a first open state of the first contact switches of the first pole in conjunction with a second open state of the second contact switches of the second pole and a third open state of the third contact switches of the third pole causes the first open operation and the second open operation; orwherein a first closed state of the first contact switches of the first pole in conjunction with a second closed state of the second contact switches of the second pole and a third closed state of the third contact switches of the third pole results in the first close operation and the second close operation; orboth.3. The multi-pole switch of claim 1 , comprising a three-pole relay.4. The multi-pole switch of claim 1 , wherein the ordering repeats every fourth opening operation claim 1 , every fourth closing operation claim 1 , or both.5. The multi-pole switch of claim 1 , wherein one pole comprises two contact breaks and the other poles comprise ...

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Номер записи: 89
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR MINIMIZING ENERGY AVAILABLE TO CONTACTS DURING A FAULT

Номер: US20210098207A1
Автор: Adkins Kyle B., Elmiger David, Jaap Andrew J., Langer Randall S.
Принадлежит:

A system may include a relay device that includes armatures associated with phases of voltage signals. The system may also include relay coils, such that each relay coil may receive a respective voltage that magnetizes a respective relay coil, thereby causing the respective armature to move from a respective first position to a respective second position. The system may also include a control system that receive an indication that a fault condition is present, identify a first phase of the phases of voltage signals that is expected to be the next phase of the phases to cross zero, and send a signal to the relay device in response to identifying the first phase. The signal is configured to cause a first relay coil of the relay coils to energize or deenergize. 1. A system , comprising: a plurality of armatures associated with a plurality of phases of voltage signals, wherein each armature is configured to move between a respective first position that electrically couples a respective armature to respective first contact and a respective second position that electrically couples the respective armature to a respective second contact;', 'a plurality of coils, wherein each coil is configured receive a respective voltage configured to magnetize a respective coil, thereby causing the respective armature to move from the respective first position to the respective second position;, 'a single-pole switching device, comprising receive an indication that a fault condition is present, wherein the fault condition is associated with a first armature of the plurality of armatures;', 'identify a first phase of the plurality of phases of voltage signals that is expected to be the next phase of the plurality of phases to cross zero; and send a signal to the single-pole switching device in response to identifying the first phase, wherein the signal is configured to cause a first coil of the plurality of coils to energize or deenergize., 'a control system configured to2. The system of ...

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Номер записи: 90
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR CONTROLLING CONTACTOR BOUNCE

Номер: US20210098214A1
Автор: Adkins Kyle B., Carlson Andrew E.
Принадлежит:

A relay device may include an armature that moves between a first position that electrically couples the armature to a first contact and a second position that electrically couples the armature to a second contact. The relay device may also include a relay coil that receives a voltage to magnetize the relay coil, thereby causing the armature to move from the first position to the second position. The relay device also includes an additional coil that couples in series with the relay coil via a switch. The relay device also includes a drive circuit that causes the switch to couple the additional coil to the relay coil in response to receiving a signal indicative of the relay coil energizing. 1. A relay device , comprising:an armature configured to move between a first position that electrically couples the armature to a first contact and a second position that electrically couples the armature to a second contact;a relay coil configured to receive a voltage configured to magnetize the relay coil, thereby causing the armature to move from the first position to the second position;an additional coil configured to couple in series with the relay coil via a switch; anda drive circuit configured to cause the switch to couple the additional coil to the relay coil in response to receiving a signal indicative of the relay coil energizing.2. The relay device of claim 1 , wherein the relay coil comprises a first inductance lower than a second inductance associated with the additional coil.3. The relay device of claim 2 , wherein the second inductance is an order magnitude larger than the first inductance.4. The relay device of claim 1 , wherein the switch is configured to couple to a node between the relay coil and the additional coil claim 1 , and wherein the switch is configured to short the additional coil from the drive circuit.5. The relay device of claim 3 , wherein the drive circuit is configured to cause the switch to close after the armature begins to move from the ...

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Номер записи: 91
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR AUTOMATICALLY CONFIGURING POINT-ON-WAVE SETTINGS IN A RELAY DEVICE

Номер: US20210098216A1
Автор: Dziekonski Stefan T., Elmiger David, Jaap Andrew J., Langer Randall S., McOlash Michael C., Omari Ahmad K.
Принадлежит:

A control system may include a processor that may receive a first dataset associated with a type of load device coupled to a relay device. The processor may then receive a second dataset associated with one or more operations of the load device over a period of time. The processor may also determine a switching profile to control moving an armature of the relay device between a first position and a second position based on the first dataset and the second dataset, such that the switching profile comprises a firing angle for moving the armature with respect to an electrical waveform. The processor may then control a current provided to a relay coil of the relay device based on the switching profile. 1. A system , comprising: an armature configured to move between a first position that electrically couples a first contact to a second contact and a second position that electrically uncouples the first contact from the second contact;', 'a coil configured to receive a voltage configured to magnetize the coil, thereby causing the armature to move from the first position to the second position; and, 'a switch device, comprising receive a first dataset associated with a type of load device coupled to the switch device;', 'determine a switching profile to control moving the armature between the first position and the second position based on the first dataset, wherein the switching profile comprises a firing angle for moving the armature with respect to an electrical waveform; and', 'control the voltage provided to the coil based on the switching profile., 'a control system configured to2. The system of claim 1 , wherein the control system is configured to:receive a second dataset associated with one or more operations of the load device over a period of time; andadjust the switching profile based on the second dataset.3. The system of claim 1 , wherein the control system is configured to:receive a second dataset associated with protection equipment associated with the load ...

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Номер записи: 92
01-04-2021 дата публикации

Systems and methods for controlling firing delay in multi-phase relay devices

Номер: US20210098217A1
Автор: Ahmad K. Omari, Andrew J. Jaap, Randall S. Langer
Принадлежит: Rockwell Automation Technologies Inc

A control system may include a processor that may receive a first dataset associated with a current received at a load device coupled to a relay device. The processor may also determine harmonics data associated with the current and determine a switching profile to control moving a first armature of three armatures in the relay device based on the harmonics data. The switching profile is configured to control movement of the first armature between a first position and a second position, and wherein the switching profile comprises a firing angle for moving the first armature with respect to an electrical waveform, a second armature, and a third armature. The processor may then control a current provided to a relay coil of the relay device based on the switching profile, such that the relay coil causes the first armature to move.

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Номер записи: 93
01-04-2021 дата публикации

SYSTEMS AND METHODS FOR DE-ENERGIZED POINT-ON-WAVE RELAY OPERATIONS

Номер: US20210099108A1
Автор: Carlson Andrew E., Duffy Patrick K., Dziekonski Stefan T., Langer Randall S., Omari Ahmad K.
Принадлежит:

A point-on-wave relay device includes a first contact relay and a second contact relay in series with the first contact relay. A first state of the first contact relay in conjunction with a first state of the second contact relay causes a point-on-wave open operation and second state of the first contact relay in conjunction with a second state of the second contact relay causes a point-on-wave close operation. 1. A switching device , comprising:a first contact switch; anda second contact switch in series with the first contact switch;wherein a first state of the first contact switch in conjunction with a first state of the second contact switch causes a precision switch open operation and second state of the first contact switch in conjunction with a second state of the second contact switch causes a precision switch close operation.2. The switching device of claim 1 , wherein the first contact switch comprises a normally open switch.3. The switching device of claim 2 , wherein the second contact switch comprises a normally closed switch.4. The switching device of claim 3 , wherein the switching device is configured to cause the precision switch close operation upon de-energizing second content switch while energizing the first contact switch.5. The switching device of claim 3 , wherein the switching device is configured to cause the precision switch open operation upon de-energizing first contact switch.6. The switching device of claim 1 , wherein the switching device is configured to cause the precision switch close operation upon de-energizing at least one of the first contact switch or the second contact switch.7. The switching device of claim 1 , wherein the switching device is configured to be initialized by energizing both the first contact switch and the second contact switch prior to the precision switch close operation.8. The switching device of claim 1 , wherein the switching device is configured to be initialized by energizing the second contact switch ...

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Номер записи: 94
06-04-2017 дата публикации

WIRELESS POWER TRANSMISSION SYSTEM

Номер: US20170098959A1
Автор: Kanno Hiroshi, KIKUCHI Satoru, Sakata Tsutomu, Takahashi Eiji
Принадлежит:

A wireless power transmission system includes a power control device, a power transmitting device, a relay device, and a power receiving device. The power control device includes a direct-current power supply, and a main control circuit that generates a first load instruction value and a second load instruction value. The power transmitting device returns a first response signal and information on alternating-current power supplied to a load circuit in the relay device, such as a voltage value, when receiving the first load instruction value. The load circuit returns a second response signal when receiving the second load instruction value. The main control circuit determines that not the load circuit but the relay-side power receiving circuit is faulty when not receiving the second response signal within a first period and receiving the first response signal within a second period and not receiving is the information within a second period, 1. A wireless power transmission system comprising:a power control device;a power transmitting device;a relay device; anda power receiving device, wherein a direct-current power supply; and', 'a main control circuit that generates a first load instruction value for the power transmitting device and a second load instruction value for the relay device,, 'the power control device includes a power-transmitting-side inverter circuit that converts direct-current power provided from the direct-current power supply into power-transmitting-side alternating-current power;', 'a power-transmitting-side power transmitting antenna that wirelessly transmits the power-transmitting-side alternating-current power; and', 'a power-transmitting-side control circuit that transmits a first response signal to the first load instruction value to the power control device and controls the power-transmitting-side inverter circuit in accordance with the first load instruction value,, 'the power transmitting device includes [ i) a relay-side power receiving ...

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Номер записи: 95
26-03-2020 дата публикации

CONTROL APPARATUS AND POWER SUPPLY SYSTEM

Номер: US20200094680A1
Автор: Dai Wei, LI Qiandeng, Wang Chao, Wu Kai, ZENG Yuqun
Принадлежит: Contemporary Amperex Technology Co., Limited

A control apparatus comprises a microcontroller, an auxiliary circuit, a delay module and a logical circuit; the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit and connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled; if the microcontroller is reset in a process of outputting the closing control signal, a delay disabling signal becomes invalid, the delay module is enabled to output the closing control signal within a preset delay time, wherein the delay time is greater than or equal to a reset time. A power supply system is also provided to avoid a risk that an automobile suddenly loses power due to unexpected reset of the microcontroller. 1. A control apparatus , comprising a microcontroller , an auxiliary circuit , a delay module and a logical circuit;wherein a first signal end of the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit, a second signal end of the microcontroller is connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled;wherein when the microcontroller normally operates, a control signal for the device to be controlled is output to the logical circuit through the first signal end, a delay disabling signal is output to the delay module through the second signal end, and the logical circuit outputs the control signal for the device to be controlled;wherein when the microcontroller resets, the auxiliary circuit outputs a closing control signal for the device to be controlled to the logical circuit, and the output of the logical circuit is consistent with the output of the delay module; If the microcontroller is reset in a process of outputting a closing control signal, the delay disabling signal becomes invalid, and the delay module is enabled to ...

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Номер записи: 96
14-04-2016 дата публикации

Contactor Drive Circuit

Номер: US20160104592A1
Автор: Huang Boning, Yang Jing, Zhang Peng
Принадлежит:

A contactor drive circuit includes a power supply, a processor, a line connection and control unit, a first drive end, and a second drive end; when a contactor is connected between the first drive end and the second drive end, the processor determines, according to a value of a current flowing through the contactor, a type of the contactor connected between the first drive end and the second drive end; and according to a result of the determining, the processor controls the line connection and control unit to enable the first drive end to be electrically connected to an anode of the power supply, and controls the second drive end to be electrically connected to a cathode of the power supply. 1. A contactor drive circuit configured to drive a bistable contactor or a normally closed contactor , wherein the contactor drive circuit comprises:a power supply;a processor;a line connection and control unit;a first drive end; anda second drive end,wherein the first drive end and the second drive end are configured to drive the bistable contactor or the normally closed contactor,wherein the processor is electrically connected to the line connection and control unit,wherein, when a contactor is connected between the first drive end and the second drive end, the processor determines, according to a value of a current flowing through the contactor, a type of the contactor connected between the first drive end and the second drive end, andwherein, according to a result of the determining, the processor controls the line connection and control unit to enable the first drive end to be electrically connected to an anode of the power supply and controls the second drive end to be electrically connected to a cathode of the power supply, or the processor controls the line connection and control unit to enable the second drive end to be connected to the anode of the power supply and controls the first drive end to be electrically connected to the cathode of the power supply.2. The ...

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Номер записи: 97
23-04-2015 дата публикации

MAGNETIC CONTACTOR

Номер: US20150109713A1
Автор: LEE Ho Jun
Принадлежит: LSIS CO., LTD.

Disclosed is a magnetic contactor. The magnetic contactor includes a frame, a holder, a movable core, a bobbin, a fixed core coupled to a side of the bobbin and configured to absorb the movable core with a magnetic force, an elastic member provided between the holder and the bobbin, a b-contact switch configured to sense a closing completion time of the movable contact by using a mechanical mechanism relationship with the movable core, an electronic circuit part configured to receive a sensing signal from the b-contact switch and limit a current applied to the coil, and a switch manipulation member provided at one end of the movable core and configured to operate the b-contact switch. 1. A magnetic contactor comprising:a frame configured to include a fixed contact;a holder movably provided in the frame, and configured to include a movable contact which is contactable with the fixed contact;a movable core coupled to the holder to interoperate with the holder;a bobbin fixed to and provided in the frame, and configured to include a coil;a fixed core coupled to a side of the bobbin, and configured to absorb the movable core with a magnetic force;an elastic member provided between the holder and the bobbin;a b-contact switch configured to sense a closing completion time of the movable contact by using a mechanical mechanism relationship with the movable core;an electronic circuit part configured to receive a sensing signal from the b-contact switch and limit a current applied to the coil; anda switch manipulation member provided at one end of the movable core, and configured to operate the b-contact switch.2. The magnetic contactor of claim 1 , wherein claim 1 ,the frame comprises:a first frame configured to accommodate the holder; anda second frame adjacently assembled with the first frame, and configured to include the bobbin and the fixed core, andthe b-contact switch is contactably disposed within a moving distance range of the switch manipulation member and in the ...

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Номер записи: 98
21-04-2016 дата публикации

METHOD FOR DRIVING AN INDUCTIVE ACTUATOR

Номер: US20160111237A1
Автор: MAYER-DICK ANTON
Принадлежит:

A method for driving an inductive actuator having an actuating element and an actuator coil, includes initially acting on the actuator coil with a voltage having a first value in order to move the actuating element counter to a spring force and acting on the actuator coil with a voltage having a greater, second value at the beginning of the movement of the actuating element. The second voltage value is selected in dependence on how quickly the actuating element is intended to be moved. 1. A method for driving an inductive actuator , the method comprising the following steps:providing the inductive actuator with an actuating element and an actuator coil;applying a spring force to the actuating element;initially acting on the actuator coil with a voltage having a first value to move the actuating element counter to the spring force and acting on the actuator coil with a voltage having a greater, second value at a beginning of a movement of the actuating element; andselecting the second voltage value in dependence on how quickly the actuating element is intended to be moved.2. The method according to claim 1 , which further comprises carrying out the step of selecting the second voltage value in dependence on a value of a current at which the actuating element begins to move. This application claims the priority, under 35 U.S.C. §119, of German Patent Application DE 10 2014 220 929.3, filed Oct. 15, 2014; the prior application is herewith incorporated by reference in its entirety.The invention relates to a method for driving an inductive actuator having an actuating element and a magnet coil, in which the magnet coil is first acted upon with a voltage having a first value in order to move the actuating element counter to a spring force and is acted upon by a voltage with a greater, second value at the beginning of the movement of the actuating element.Inductive actuators used in a motor vehicle such as fuel injectors, valves or pumps, for example, are energized with ...

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Номер записи: 99
20-04-2017 дата публикации

ELECTRIC SWITCH HAVING AN ELECTROMAGNETIC ACTUATOR

Номер: US20170110274A1
Автор: HAHN Andreas, Kuehn Wolfgang
Принадлежит: SIEMENS AKTIENGESELLSCHAFT

A method is disclosed for operating an electric switch having at least one movable switch contact, movable by a movable armature of an electromagnetic actuator to switch the switch on and off, a spring device arranged between the movable switch contact and the armature and, in order to move the armature from a starting position to an armature end position, a magnetic flux being generated in an exciter winding of the actuator by an exciter current being fed into the exciter winding. According to an embodiment and taking into account a position data set which specifies the respective armature position as a function of magnetomotive values and flux values, an armature position—called the contact strike armature position below—is determined at which the switch contacts meet each other during the closing operation, before the armature reaches the armature end position. 1. A method for operating an electric switch including at least one movable switch contact configured to be moved by a movable armature of an electromagnetic actuator to switch the switch on and off , a spring device being disposed between the movable switch contact and the armature , and in order to move the armature from a starting position , in which the switch contacts are open , into an armature end position , in which the switch contacts are closed and spring energy is stored in the spring device , a magnetic flux is to be generated in an excitation winding of the actuator via an excitation current being fed into the excitation winding , the method comprising:determining the magnetic flux through the excitation winding or a flux variable correlating to the magnetic flux through the excitation winding, and forming a flux value;determining the magnetomotive force in the excitation winding with consideration for at least the excitation current flowing through the excitation winding and a number of turns of the excitation winding, and forming a magnetomotive value; anddetermining an armature position, ...

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Номер записи: 100