ИСТОЧНИК ПИТАНИЯ, СХЕМА ЗАРЯДКИ ИСТОЧНИКА ПИТАНИЯ, СПОСОБ ЗАРЯДКИ ИСТОЧНИКА ПИТАНИЯ И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к источникам питания и схеме его зарядки. Сущность: когда источник питания находится в состоянии зарядки, измеряют микросхемой управления источником питания напряжение на положительном электроде аккумуляторного элемента внутри источника питания через контрольный вывод источника питания, электрически соединенный с положительным электродом аккумуляторного элемента. При этом положительный электрод аккумуляторного элемента соединен с положительным выводом источника питания через защитный элемент. Сравнивают напряжение, измеренное на положительном электроде, с заранее заданным напряжением. Если определено, что напряжение на положительном электроде аккумуляторного элемента не ниже, чем заранее заданное напряжение, обеспечивают изменение режима зарядки источника питания с режима зарядки неизменяющимся постоянным током на режим зарядки неизменяющимся постоянным напряжением. Микросхема управления источником питания переключает режим зарядки источника питания только тогда, когда ...

Защита источника питания, содержащего ряд батарей, соединенных параллельно, от внешнего короткого замыкания

Изобретение относится к схеме защиты аккумуляторов от внешнего короткого замыкания. Электроустановка содержит прерыватель и источник напряжения постоянного тока. Источник напряжения содержит батареи, соединенные параллельно, при этом источник напряжения соединен последовательно с прерывателем. Сумма токов короткого замыкания этих батарей выше отключающей способности прерывателя. Каждая батарея содержит первое плечо, второе плечо, амперметр и цепь управления. Каждое первое плечо содержит электрохимические аккумуляторы и выключатель, соединенные последовательно. Каждое второе плечо соединено параллельно с первым плечом и содержит диод обратной цепи. Цепи управления выполнены с возможностью обнаруживать короткое замыкание и одновременно удерживать большинство указанных выключателей разомкнутыми. При этом цепи управления замыкают один из указанных выключателей с целью прикладывания тока, проходящего через прерыватель, выше тока отключения и ниже отключающей способности. Технический результат ...

Зарядная цепь, терминал и способ зарядки

Изобретение относится к области электротехники, в частности к технологии электронных цепей. Предлагаются зарядная цепь, терминал и способ зарядки. Технический результат заключается в повышении эффективности зарядки батареи с использованием более высокого выходного тока и в уменьшении толщины зарядной линии при низком уровне входного тока, вследствие чего стоимость зарядной линии уменьшается. Достигается тем, что зарядная цепь содержит цепь управления и цепь снижения напряжения, соединенную с цепью управления; при этом цепь управления сконфигурирована для получения сигнала обратной связи, указывающего частоту генерации сигнала управления, генерации сигнала управления на основе сигнала обратной связи и передачи сигнала управления в цепь снижения напряжения, а цепь снижения напряжения сконфигурирована для получения входного напряжения и сигнала управления, выполнения процесса снижения входного напряжения на основе сигнала управления и подачи выходного напряжения на батарею, при этом выходной ...

ПЕРЕЗАРЯЖАЕМОЕ ЭЛЕКТРИЧЕСКОЕ УСТРОЙСТВО

... 1. Перезаряжаемое электрическое устройство, содержащее:аккумуляторную батарею, сформированную по меньшей мере из одного элемента никелевой металлогидридной батареи;коммутационный элемент, выполненный между аккумуляторной батареей и источником питания; исредства управления, которые содержат средства измерения времени для измерения времени и которые управляют коэффициентом рабочего цикла, представляющим собой отношение периода включения и периода отключения коммутационного элемента, на основе временных данных, выдаваемых средствами измерения времени, для управления значением зарядного тока, подводимого к аккумуляторной батарее,причем зарядка аккумуляторной батареи включает в себя быструю зарядку и капельную подзарядку для зарядки аккумуляторной батареи, после прекращения быстрой зарядки, электрическим током, величина которого меньше величины зарядного тока при быстрой зарядке, асредства управления задают значения зарядного тока при первой капельной подзарядке после прекращения быстрой зарядки ...

Überwachungsanordnung für das Stromversorgungsystem eines Fahrzeugs

Batteriezelleinrichtung mit Kurzschlusssicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle

Die vorliegende Erfindung betrifft eine Batteriezelleinrichtung (221) mit einer Batteriezelle (21) und einer Überwachungsvorrichtung zum Überwachen der Batteriezelle (21). Die Überwachungsvorrichtung umfasst eine Sensorvorrichtung (240), eine Zustandsermittlungsvorrichtung (250), die dazu ausgebildet ist, anhand einer Auswertung von durch die Sensorvorrichtung bereitgestellten aktuellen Messwerten einen aktuellen und/oder künftigen Batteriezellzustand zu erkennen und/oder vorherzusagen, und eine Aktorvorrichtung (260), die dazu ausgebildet ist, die Batteriezelle (21) aus einem kritischen Batteriezellzustand in einen sicheren Betriebsmodus zu überführen. Es wird vorzugsweise eine Kurzschlusssicherheitsfunktion (270) bereitstellt, mittels der durch die Zustandsermittlungsvorrichtung (250) ein kritischer Batteriezellzustand, in dem die Batteriezelle (21) durch einen batteriezellextern liegenden Kurzschluss zwischen Ausgangsterminals (222, 223) der Batteriezelleinrichtung (21) beschädigt werden ...

Adaptervorrichtung für ein Fahrzeug und Verfahren zum Laden eines Fahrzeugs

Die Erfindung betrifft eine Adaptervorrichtung (10) für das Verbinden einer Ladebuchse (12) eines elektrisch angetriebenen Fahrzeugs (14) mit einem zu einem mehradrigen Ladekabel (20) gehörenden Ladesäulenstecker (22), wobei die Adaptervorrichtung (10) ausgebildet ist, wenigstens ein Koordinationssignal zwischen wenigstens einer Übertragungsader (36, 38) des Ladekabels (20) und der Ladebuchse (12) weiterzuleiten, wobei die Adaptervorrichtung (10) für einen Verbindungsbetrieb, in welchem die Ladebuchse (12) des Fahrzeugs (14) mit einer Ladebuchse (16) eines Fahrzeugs (18) über das Ladekabel (20) und die Adaptervorrichtung (10) verbunden ist, eine integrierte Schaltelektronik (30) aufweist, welche über die Übertragungsader (36, 38) ein Koordinationssignal bereitstellt oder weiterreicht, bevor oder während die Adaptervorrichtung (10) in einem Übertragungsmodus elektrische Energie aus einer Traktionsbatterie des Fahrzeugs (14) empfängt und einer Traktionsbatterie des anderen Fahrzeugs (18) ...

Aktive Parallelschaltung von Lithium-Ionen-Akkumulatoren in skalierbaren Speichersystemen durch Verwendung von bidirektionalen Gleichspannungswandlern

Die Erfindung betrifft ein Speichermodul (1) gemäß Fig. 1 für skalierbare elektrische Energiespeichersysteme mit Lithium-Ionen-Akkumulatoren (2). Mittels eines bidirektionalen Gleichspannungswandlers (4) kann die Batterie (2) geladen und entladen werden, wobei die Energie abhängig von der Betriebsart aus den ausgangsseitigen DC-Bus (5) entnommen bzw. in diesen eingespeist wird. Die Batterieüberwachung erfolgt durch ein Batterie-Managementsystem (BMS), (3).Nach derzeitigem Stand der Technik werden in skalierbaren Speichersystemen Akkumulatorenbatterien zur Kapazitätserhöhung parallel oder in Reihe geschaltet.Bei Parallelschaltung ergeben sich Probleme auf Grund des unterschiedlichen Ladezustandes der einzelnen Batterien sowie, insbesondere bei nachträglichen Erweiterungen, wegen des unterschiedlichen Alterungszustandes der Batterien.Bei Reihenschaltung ist eine Skalierbarkeit nur sehr eingeschränkt möglich, da die sich Gesamtspannung der Reihenschaltung bei Einbau weiterer Batterien verändert ...

Sicherungsvorrichtung und Verfahren zur Absicherung einer elektrischen Verbindung

Die vorliegende Erfindung offenbart eine Sicherungsvorrichtung (100, 200, 300) zur Absicherung einer elektrischen Verbindung, mit einem Leistungseingang (101, 301) und einem Leistungsausgang (102, 302), einem steuerbaren Unterbrechungselement (105, 205, 305), welches ausgebildet ist, die elektrische Verbindung zwischen dem Leistungseingang (101, 301) und dem Leistungsausgang (102, 302) gesteuert zu unterbrechen, einem Stromsensor (106, 306), welcher ausgebildet ist, den Strom zu messen, welcher zwischen dem Leistungseingang (101, 301) und dem Leistungsausgang (102, 302) fließt, einer Steuereinrichtung (108, 208, 308), welche mit dem Unterbrechungselement (105, 205, 305) und dem Stromsensor (106, 306) gekoppelt ist und ausgebildet ist, das Unterbrechungselement (105, 205, 305) basierend auf dem von dem Stromsensor (106, 306) erfassten Strom anzusteuern, und einer drahtlosen Energieschnittstelle (103, 303), welche ausgebildet ist, drahtlos elektrische Energie zu empfangen und das Unterbrechungselement ...

Charger and electronic apparatus system

A charger 10 for charging an electronic apparatus 40 through a Universal Serial Bus (USB) has a charger main body 20 and a connection unit 30. The connection unit 30 contains parts of the negative (33) and positive (32) charging paths and a first (T1) and second (T2) signal line between the positive (32) and negative (33) charging paths. The negative charging path (33) is electrically connected to a metallic outer wall (70, figure 4B) of the connection unit 30 and has a larger area than the positive charging path (32) and is more capable of dissipating heat. A temperature sensor 31 is provided in the vicinity of the positive charging path (32), and so can better detect temperature changes. A control unit receives temperature information from the temperature sensor 31 through the first signal line (T1) and receives other information from the electronic apparatus through the second signal line (T2). The control unit stops the supply of charging current if the temperature is too high. The ...

Aperture closures : door : door drive control

A door, comprising articulated slats 10 raisable into tracks 14, is moved by cables winding on or off drum 12 rotated via belt 16 by electric motor 18. The motor is slidable at 30 to adjust belt tension or to slacken the belt to remove drive. Disclosed motor control includes monitoring of the rate of change in the motor load in response to an obstruction, counting the number of door operations, and the connection of stand-by batteries across a power supply when charging and in series when powering the motor.

Rechargeable battery jump starting device with control switch backlight system

A rechargeable battery jump starting device with a control switch backlight system. The control switch backlight system is configured to assist a user viewing the selectable positions of the control switch for selecting a particular 12V or 24V operating mode of the portable rechargeable battery jump starting device in day light, sunshine, low light, and darkness.

BATTERY DEVICE

E-cigarette and re-charging pack

Controlling charge levels of vehicle batteries

A vehicle includes a battery, a battery sensor for detecting a current of the battery, a power connector for connecting to an external electrical device, a relay electrically connected between the power connection and the battery, and a body control module to position the relay in a closed state in response to determining that the current is greater than zero and the battery is not in an overcharge state. The controller may open the relay if current is less than zero and the battery is overcharged. The controller may determine a vehicle operating mode, and may close the relay if the vehicle is in an active mode. The controller may open the relay if the vehicle is in a sleep mode for longer than a predetermined time.

Battery over-discharge protection

Battery management system

Rechargeable battery jump starting device with a dual battery diode bridge

Rechargeable battery jump starting device with a dual battery diode bridge system

Expansion module for a DC charging point and correspondingly extended DC charging point

Electronic devices with multiple energy storage device charging circuits and corresponding methods

SWITCHING CONFIGURATION FOR THE MONITORING OF A WITH AN ACCUMULATOR AS EQUIVALENT CURRENT SOURCE TRAINED POWER GENERATION PLANT

Rechargeable battery jump starting device and rechargeable battery assembly

A rechargeable battery jump starting device and a rechargeable battery assembly for use in the portable rechargeable battery jump starting device. The portable rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery assembly to a battery being jump started.

Battery controller

SYSTEM FOR SUPPLYING ELECTRICAL POWER TO START VEHICLE ENGINES

A protection circuit for protecting an energy storage device includes a first circuit region between a first terminal of the energy storage device and a first connector node, a second circuit region between a second terminal of the energy storage device and a second connector node, a latching circuit to electrically couple the first connector node to the first terminal of the energy storage device when the latching circuit is in a closed configuration, and a contactor circuit electrically coupled to an operational switch of the latching circuit, the contactor circuit comprising a capacitor to store charge and a microcontroller to monitor an electrical property of the energy storage device to determine if a short circuit occurs and, if a short circuit does occur, cause the capacitor to discharge to the operational switch of the latching circuit to cause the latching circuit to transition to the open configuration.

AEROSOL DELIVERY DEVICE COMPRISING CHARGE CIRCUITRY

An aerosol delivery device is provided that includes a housing structured to retain an aerosol precursor composition, a heating element configured to convert electricity to heat and thereby vaporize components of the aerosol precursor composition, a power source including one or more batteries or battery cells coupled to and configured to power a load including the heating element, and charge circuitry coupled to and configured to controllably charge the power source. The charge circuitry includes an electrical connector configured to connect the charge circuitry to a power supply from which the power source is chargeable, and a buck-boost charge controller coupled to and between the power source and power supply. The buck-boost charge controller is configured to regulate output voltage and output current from the power supply to the power source, selectively in one of a plurality of modes based on a condition of the power supply.

POWER SUPPLY UNIT FOR AEROSOL INHALER, AND CONTROL METHOD AND CONTROL PROGRAM OF THE SAME

A power supply unit for an aerosol inhaler includes: a power supply that is able to discharge power to a load for generating an aerosol from an aerosol generation source; and a control unit that is configured to determine whether the power supply which is being charged has reached a predetermined charge state lower than a fully charged state, and complete charging of the power supply in a case of determining that the power supply has reached the predetermined charge state.

PORTABLE DUAL-DEVICE CHARGER SYSTEM

A portable charger system provides two charger ports with different charging characteristics. Two devices having different charging characteristics may be coupled to the two charger ports to be charged simultaneously.

SYSTEMS AND METHODS FOR CONFIGURABLE BATTERY CHARGING

Systems and methods are disclosed herein for a charging system. The charging system may be implemented within an independent charging station or within an autonomous vehicle. Boolean charging can be used to obtain the desired charge or discharge voltage for charging an autonomous vehicle at a charging station. By combining multiple battery arrays together in series, where each battery array includes multiple battery cells, a voltage may be obtained which is equal to the sum. of the voltages across each battery array. This voltage may be used in turn to charge additional battery arrays. The process may be repeated until the desired amount of battery arrays has been charged and the desired voltage has been achieved.

CABINET AND BATTERY MANAGEMENT AND MONITORING SYSTEM FOR USE WITH UNINTERRUPTIBLE POWER SUPPLIES

A battery management and monitoring system for monitoring a lithium battery module is provided. The battery management and monitoring system may include a memory configured to retrievably store one or more algorithms, and a controller in communication with the memory. Based on the one or more algorithms, the controller may be configured to at least monitor a data signal corresponding to one or more parameters indicative of an operating condition of the lithium battery module, and generate a control signal based on the data signal configured to selectively engage one or more contactors in communication with the lithium battery module to at least temporarily isolate the lithium battery module if one or more of the parameters exceed predefined thresholds.

ELECTRONIC DEVICE AND POWER ADAPTER THEREFOR

An electronic device (200) and a power adapter (100) therefor. The power adapter has a communication interface (10) through which the power adapter charges a battery (201) in the electronic device and meanwhile carries out data communication with the electronic device. The power adapter comprises a power module (106), a main control module (107), a potential adjustment module (108), a current detection module (109), a voltage detection module (110) and an output switch module (111). During normal charge or fast charge of the battery in the electronic device, the main control module determines according to a current detection signal whether the output current of the power adapter is greater than a current threshold, and determines according to a voltage detection signal whether the output voltage of the power adapter is greater than a voltage threshold; if the output current is greater than the current threshold and/or the output voltage is greater than the voltage threshold, the main control ...

PROTECTING A POWER SUPPLY INCLUDING A PLURALITY OF BATTERIES IN PARALLEL AGAINST AN EXTERNAL SHORT-CIRCUIT

L'invention concerne une installation électrique (1), comprenant : -un disjoncteur (5) présentant un pouvoir de coupure PdC et un courant de déclenchement Is; -une source de tension continue comprenant deux batteries (3) connectées en parallèle, connectée en série avec le disjoncteur, la somme des courants de court-circuit des batteries étant supérieure au pouvoir de coupure, chaque batterie comportant : -une première branche incluant des accumulateurs électrochimiques (300) et un interrupteur (310) connectés en série; -une deuxième branche connectée en parallèle de la première branche et incluant une diode de roue libre (340); -un ampèremètre (320) mesurant le courant débité; -un circuit de commande (330) configuré pour détecter un court-circuit. Les circuits de commande maintiennent simultanément la majorité desdits interrupteurs (310) ouverts et ferment un interrupteur pour appliquer un courant traversant le disjoncteur (5) supérieur au courant de déclenchement Is et inférieur au pouvoir ...

FAULT DETECTION FOR BATTERY CHARGERS

A method of fault detection for battery chargers includes sensing a charge current applied to a battery with a resistive element. The method includes measuring a voltage across the resistive element. The method includes generating a trigger signal when the measured voltage across the resistive element exceeds a predetermined value. The method includes generating from the trigger signal an interrupt signal for a microprocessor. The method includes initiating an over-current handling routine in the microprocessor.

PORTABLE BATTERY CHARGER WITH INDUCTIVE CHARGING

A portable battery charger with inductive charging has a housing, an output inductive coil beneath the surface of the housing to transmit power to a portable device also having a coil therein, and a battery within the housing connected to the output coil, wherein the output coil operates at the battery voltage and transmits power from the battery to the portable device. The charger may also have an input inductive coil beneath the surface of the housing to receive power from a source, and transmit the power to the battery, and the output coil and the input coil may be the same coil. A method of charging the battery of a portable device comprises the steps of aligning the input coil of a portable device adjacent to with an output coil of a charger using magnets positioned near the respective coils, and inductively charging the device battery without connecting the device to the charger.

POWER TOOL AND BATTERY PACK FOR USE IN THE POWER TOOL

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

CONTROL MODULE FOR AN ELECTRIC ENERGY STORE, ENERGY STORE UNIT COMPRISING SUCH A CONTROL MODULE, UNINTERRUPTIBLE POWER SUPPLY DEVICE, AND METHOD FOR OPERATING A CONTROL MODULE

The invention relates to a control module (2) for an electrical energy accumulator (3) for operating on a supply cable which is designed for parallel connection of a plurality of loads, having a supply connection (4) for connecting to a supply cable and a control unit (5) for controlled charging and/or discharging of an electrical energy accumulator (3) by means of the supply connection (4), wherein the control module (2) is or can be connected to the electrical energy accumulator (3), the control module (2) can be connected to a limiting device, and the control unit (5) is designed to perform a rapid charge and/or rapid discharge of the energy accumulator (3) when the control module (2) is connected to the limiting device. The invention also relates to a method for operating such a control module (2), an energy accumulator unit (1) having an electrical energy accumulator (3) and such a control module (2), as well as an uninterruptible power supply unit (10) having an energy accumulator ...

BATTERY PACK FOR MINER'S CAP LAMP WITH CHARGING AND DISCHARGING CONTROL MODULE

A battery pack features a shock-absorbing and sealed construction and an electronic control module that provides automatic recovery circuitry in the event of a short circuit in the load whereby the power is terminated and then restarted at a lower level so that removal of the short circuit may be detected. Full power is restored to the load when the short circuit is removed. In addition, the electronic control module of the battery pack uses the battery pack load, such as a cap lamp, to provide an indication of a low battery charge level. The electronic control module also provides a soft-start feature where the power provided to the bulb is ramped up to avoid current in-rush to the bulb during startup.

Elektrische Schutzschaltung zum Schutze einer Batterie und durch diese gespeister Geräte

SWITCHING CONFIGURATION FOR THE MONITORING OF A POWER GENERATION PLANT.

APPARATUS AND METHOD FOR PREVENTING OVER-CURRENT

배터리 보호회로 및 이를 갖는 배터리 팩

... 본 발명은 배터리 보호회로 및 이를 갖는 배터리 팩에 관한 것으로, 해결하고자 하는 기술적 과제는 방전 FET에 제1저항과 캐패시터를 장착하여 초기 방전시 부하 캐패시터를 소프트하게 충전할 수 있으며, 방전 FET에 트랜지스터와 제2저항을 장착하여 과방전시 방전 FET를 빠르게 차단하여 배터리 및 방전 FET의 손상을 방지 하는데 있다. 이를 위해 본 발명은 배터리의 양극 및 음극과 전기적으로 연결되기 위한 셀단자와, 충전기 또는 전자 장치의 양극 및 음극과 전기적으로 연결되기 위한 외부 단자와, 셀단자와 외부단자 사이인 대전류 경로에 연결된 방전 FET와, 셀단자와 외부단자 사이인 대전류 경로에 연결되며, 방전 FET와 직렬로 연결된 충전 FET와, 방전 FET의 게이트전극에 제1단자가 전기적으로 연결되고, 충전 FET의 게이트 전극에 제2단자가 전기적으로 연결되어 방전 FET와 충전 FET의 구동을 제어하는 제어부와, 방전 FET의 제어전극과 제어부의 제1단자 사이에 전기적으로 연결된 제1저항과, 방전 FET의 제어전극과 방전 FET의 제1전극 사이에 전기적으로 연결된 캐패시터 및, 방전 FET의 제어전극과 방전 FET의 제2전극 사이에 전기적으로 연결된 트랜지스터를 포함하는 배터리 보호회로를 개시한다.

power supply; and electronic device

Wireless power receiver and method of managing power thereof

Disclosed are a wireless power receiver and a method of managing the same. The wireless power receiver to wirelessly receive power from a wireless power transmitter and transmit the power to a load includes a receiving unit to receive AC power from the wireless power transmitter that receives power from a power supply device, a rectifying unit to rectify the received AC power to DC power, and a power managing unit to manage the power transmitted to the load based on the rectified DC power.

VAPORIZER DEVICE HEATER CONTROL

Protective circuit for battery

The invention concerns a protective circuit (10) for protecting a rechargeable battery (1) against currents of too high intensity. The protective circuit (10) includes detection and comparison means (30, 31, 32) for generating a control signal (OVRC) in response to the comparison of a reference voltage (VREF) and a measuring voltage (VM) representative of the charge or discharge current (ICH, IDCH) passing through the battery (1). According to the invention, the detection and comparison means (30, 31, 32) include adjustment means (32) for compensating a temperature dependence of the measuring voltage (VM) and/or the reference voltage (VREF), these adjustment means (32) including means for generating diode voltages (VBE1 to BBE5).

ELECTRONIC DEVICE AND POWER ADAPTER THEREFOR

An electronic device and a power adapter are provided. The power adapter comprises a power circuit, a main control circuit, a potential adjustment circuit, a current detection circuit, a voltage detection circuit and an output switch circuit. When a conventional charging or a quick charging is performed on the battery in the electronic device, the main control circuit determines whether the output current of the power adapter is greater than a current threshold according to the current detecting signal and determines whether the output voltage of the power adapter is greater than a voltage threshold according to the voltage detecting signal; if the output current of the power adapter is greater than the current threshold and/or the output voltage of the power adapter is greater than the voltage threshold, the main control circuit controls the output switch circuit to turn off the direct current output of the power adapter.

Charge and discharge control circuit and battery device

When pulse charging is performed in an overcharge state or an overdischarge state in a charge and discharge control circuit and a battery device, a problem in that a pseudo overcurrent phenomenon occurs repeatedly to hinder normal operations of the charge and discharge control circuit and the battery device is addressed, thereby providing a safe battery device. Thus, there are provided a charge and discharge control circuit and a battery device having a structure in which charge overcurrent detection in the overcharge state and discharge overcurrent detection in the overdischarge state are invalidated.

PROTECTION CIRCUIT AND BATTERY MANAGEMENT SYSTEM

This application discloses a protection circuit associated with a battery management system (BMS). The protection circuit includes a first protection module and a freewheeling module. The first protection module is connected in parallel to a first switch module of the BMS, and the freewheeling module is connected in parallel to a load module of the BMS. The first protection module switches to a charging state when the first switch module is turned off to stabilize a voltage between a first terminal of the first switch module and a second terminal of the first switch module. The freewheeling module is turned on when the first switch module is turned off to stabilize a voltage between the first switch module and the second switch module. The protection circuit mitigates risks of breakdown of the first switch module, and prevents a parasitic inductance from limiting a switching frequency of the first switch module. 1. A protection circuit , comprising a first protection module and a freewheeling module , wherein the first protection module is connected in parallel to a first switch module in a main circuit of a battery management system , the freewheeling module is connected in parallel to a load module in the main circuit of the battery management system , the first switch module , the load module , and a second switch module in the main circuit of the battery management system are serially-connected , and the first switch module is a switching transistor;the first protection module is configured to switch to a charging state when the first switch module is turned off, so as to stabilize a voltage between a first terminal of the first switch module and a second terminal of the first switch module; andthe freewheeling module is configured to switch on when the first switch module is turned off, so as to stabilize a voltage between the first switch module and the second switch module in the main circuit of the battery management system.2. The protection circuit ...

Vehicle

There is provided a vehicle comprising a motor for driving; a power storage device configured to transmit electric power to and from the motor; a solar system configured to generate electric power from sunlight and to perform solar charging that supplies the generated electric power to the power storage device; and a charging relay turned on and off to connect and disconnect the solar system with and from the power storage device. When a short circuit fault occurring on a solar system side of the charging relay is detected in an on state of the charging relay in a current trip, the vehicle turns off the charging relay and keeps the charging relay off at least in the current trip. This configuration enables the vehicle to be driven even in the case where a short circuit fault occurs in the solar system or the like.

Battery recharge interconnection system with safety cut-out

A battery recharge interconnection system is provided for use on an electric toy vehicle or other load device powered by a rechargeable battery. The interconnection system includes a charger receptacle, operatively connected to a rechargeable battery, covered by a rotatable disc. An opening in the disc permits a plug from an external charger to be inserted through the opening and into the charger receptacle whenever the disc is rotated to a predetermined position in which the opening overlies the receptacle. The rotatable disc is also mechanically coupled to an actuator which engages and operates a cut-out switch or other device. During normal operation of the battery-operated device, the disc is rotated to a first position in which the charger receptacle is obstructed by the disc and the cut-out switch is disengaged. To recharge the device, the disc is rotated to a second position in which the opening in the disc overlies the receptacle, permitting a recharger plug to be inserted in the ...

Secondary battery system and method for diagnosing abnormality in battery pack

A battery pack includes a plurality of modules connected in series to one another. Each of the plurality of modules includes a plurality of cells connected in parallel to one another. If a first condition and a second condition are satisfied, an ECU diagnoses an abnormality in which a current path of a cell included in any module breaks. The first condition is a condition that the voltage difference between the maximum voltage and the minimum voltage among a plurality of voltage values is less than a reference value before execution of plug-in charging control, each of the plurality of voltage values being detected by a corresponding one of a plurality of voltage sensors. The second condition is a condition that the voltage difference between the maximum voltage and a voltage is more than or equal to the reference value after execution of the plug-in charging control.

Automatic control system for a rechargeable battery system

An automatic battery control system automatically switches from charge to discharge modes with a single relay, thereby preventing the need to manually reset a relay switch due to an over or under voltage situation. An automatic battery control circuit is coupled with a battery management system and a relay contactor is opened and closed by a signal from the battery management system. The battery management system monitors a state of charge of the battery unit as well as current flow to and from a battery unit. A parallel resistor is configured across the input and output sides of the single relay contactor and the voltage drop across the resistor indicates a connection to either a charging power source or a load. The connection is communicated to the battery management system by an optocoupler and if the battery unit has an acceptable state of charge, the relay contactor is closed.

System and method for tracking and archiving battery performance data

An intelligent rechargeable battery pack having a battery management system for monitoring and controlling the charging and discharging of the battery pack is described. The battery management system includes a memory for storing data related to the operation of the battery, and the battery management system is also configured to communicate the data related to the operation of the battery to other processors for analysis.

ELECTRIC AUTOMOBILE PWM RECTIFICATION AND CONVERTING VOLTAGE/CURRENT PULSE CHARGING SYSTEM

The invention discloses a kind of electric automobile PWM rectification and converting voltage/current pulse charging system which is the charging system for large storage battery. The system includes rectifier module and charging module. The former links with AC network and charge module respectively. The said charging system also includes DC charging management module and the charging module is composed of DC input module and DC output module. The said rectifier module, DC input module and DC output module, DC charging management module are independent and connected together by CAN bus. The electric automobile PWM rectification and converting voltage/current pulse charging system of this invention is simply structured with a small size and features wide range of application e.g. charging for all lead and zinc storage batteries. It greatly reduces the duration for charging storage batteries and is worthy of scale popularizing.

Battery protection package and process of making the same

The present invention discloses small-size battery protection packages and provides a process of fabricating small-size battery protection packages. A battery protection package includes a first common-drain metal oxide semiconductor field effect transistor (MOSFET), a second common-drain MOSFET, a power control integrated circuit (IC), a plurality of solder balls, a plurality of conductive bumps, and a packaging layer. The power control IC is vertically stacked on top of the first and second common-drain MOSFETs. At least a majority portion of the power control IC and at least majority portions of the plurality of solder balls are embedded into the packaging layer. The process of fabricating battery protection packages includes steps of fabricating power control ICs; fabricating common-drain MOSFET wafer; integrating the power control ICs with the common-drain MOSFET wafer and connecting pinouts; forming a packaging layer; applying grinding processes; forming a metal layer; and singulating ...

Contact-less chargeable battery and charging device, battery charging set, and charging control method thereof

The present invention relates to a wireless charger for a mobile communication terminal, which allows charging a plurality of batteries in a conveniently way without any terminal connection of the batteries to chargers for various mobile communication terminals such as a cellular phone and PDA and also allows intercepting electromagnetic waves while the charger is used, by means of Faraday's law. The wireless charger of the present invention includes a charger body having an electromagnetic wave intercepting means; a charging pad received in the charger body; and at least one battery that is to be charged by means of induced electromotive force generated by the charging pad, wherein the charger body includes a power supply means, a housing having a receiver for receiving the charging pad and connected to the power supply means, and a cover hinged to the housing.

CHARGING CONTROLLING DEVICE

An charging control device includes: one or more slave groups including a plurality of slaves for charging or discharging a battery; and a master configured to transmit, to the one or more slave groups, a control signal for controlling operations of the one or more slave groups, and select one of a plurality of slaves included in each of the one or more slave groups as an alternative master, wherein the alternative master is a slave capable of performing some or all of all functions of the master.

Secondary-battery monitoring device and battery pack

A secondary-battery monitoring device capable of realizing highly reliable overcurrent detection and a battery pack having it are provided. When an overcurrent flowing to a secondary battery is to be detected by utilizing a current detection voltage generated via on-resistance of a discharge-control switch and a charge-control switch, a voltage correction circuit that generates a correction voltage having a characteristic varied by positive slope or negative slope along with increase in a power supply voltage is provided, and the correction voltage is added to the detection voltage or a reference power supply voltage with the polarity that cancels out the slope of voltage variation caused in the detection voltage, and then the voltage is input to a comparator circuit. In this manner, variation in the overcurrent determination current is reduced.

Non-contact power-supply device with voltage vector target control

A non-contact power supply device includes: a power transmission coil that generates a magnetic flux by an alternating current; a power transmission circuit that supplies the alternating current to the power transmission coil; a power transmission side control circuit that controls the power transmission circuit; a power receiving coil that generates an alternating current by interlinking the magnetic flux generated in the power transmission coil; and a power receiving circuit that converts the alternating current supplied from the power receiving coil into a direct current, and supplies the direct current to the power supply target. The power transmission side control circuit obtains a voltage vector target value based on a relationship between a voltage vector and a current vector, and controls the power transmission circuit to set the voltage vector of the alternating current output from the power transmission circuit to be the voltage vector target value.

Electricity storage system, method for controlling secondary battery packs, and secondary battery pack

In an electricity storage system that has a plurality of secondary battery packs, at the time of switching the object that is to be charged from a first secondary battery pack to a second secondary battery pack that has voltage across terminals lower than that of the first secondary battery pack, by causing a current-limiting circuit of the second secondary battery pack to operate, forms a path for the flow of a charging current for charging secondary batteries that are provided in the second secondary battery pack, and starts charging of the second secondary battery pack while limiting the charging current to a fixed value or less by means of the current-limiting circuit.

ELECTRIC OPERATING MACHINE

When a main switch ( 12 ) is turned ON, an electric operating machine ( 1 ) is put in the standby mode. With a trigger ( 13 ) being pulled in the standby mode, a power supply circuit ( 16 ) applies a voltage to a drive part ( 30 ). The power supply circuit ( 16 ) adjusts the voltage applied to the drive part ( 30 ) for a voltage corresponding to the pulling rate of the trigger ( 13 ). When the current running toward the drive part ( 30 ) exceeds the rated value of the drive part ( 30 ), the power supply circuit ( 16 ) automatically stops power supply to the drive part ( 30 ). On the other hand, when the output voltage of a battery ( 50 ) drops and the battery ( 50 ) is put in an overdischarge state, power supply to the drive part ( 30 ) is automatically stopped. When it is detected that the battery ( 50 ) undergoes an abnormal event, power supply to the drive part ( 30 ) is automatically stopped.

AUTOMATICALLY PROGRAMMABLE BATTERY PROTECTION SYSTEM AND RELATED METHODS

A programmable battery protection system. Implementations may include: a battery, only two field effect transistors (FETs), and a battery protection integrated circuit (IC). The battery protection IC may include an array of fuses, first plurality of latches, second plurality of latches, and a comparator. The array of fuses, first plurality of latches, and second plurality of latches may be coupled with a fuse refresh circuit coupled with an analog trigger circuit and a logic trigger circuit. The fuse refresh circuit may be configured to refresh the states of the latches using states of the array of fuses in response to receiving an operating trigger signal generated by the analog trigger circuit or a logic trigger signal generated by the logic trigger circuit. The first plurality of latches may be used to generate a threshold voltage that is provided to the comparator.

Battery pack

A detecting switch which is turned on/off in accordance with whether or not primary batteries have been attached to a primary battery holder is provided. In a normal state where no primary battery is attached, terminals (a, c) of a charge change-over switch are connected by a detection signal of the detecting switch, so that a voltage supplied from an external charger is inputted to a DC/DC converter. A secondary battery is charged by a predetermined value output of the DC/DC converter. When the primary batteries are attached, the detecting switch is turned on and terminals (b, c) of the charge change-over switch are connected, so that an output voltage of the primary batteries is inputted to the DC/DC converter. The secondary battery is charged by the predetermined value output of the DC/DC converter. Even when there is no charger, the secondary battery can be charged by the primary batteries and charging power sources are automatically switched.

BATTERY MANAGEMENT SYSTEM

A battery management system for use in charging a rechargeable battery is disclosed. The battery management system comprises a controller and a temperature sensor, wherein the temperature sensor is configured to provide a temperature signal based on a temperature of the rechargeable battery, and wherein the controller is configured to control a charging current for charging the rechargeable battery based on the temperature signal. In response to the temperature signal indicating that the temperature exceeds a first threshold temperature signal value the charging current is tapered down as a function of increasing temperature.

CIRCUITS, SYSTEMS, AND METHODS FOR PROTECTING BATTERIES

In a protection circuit, a decision circuit generates a configuration signal indicative of an application requirement associated with a battery pack, generates an indication signal indicative of the battery pack's status, sets the indication signal to a first state if an abnormal condition is detected, and sets the indication signal to a second state if the battery pack is in a normal condition. A control circuit receives a supply signal indicative of a voltage at an input terminal of a switch, provides a protection signal to a control terminal of the switch to control the switch, and sets the protection signal to a first level or a second level according to the indication and configuration signals. The first level is equal to a level of the supply signal, and the second level is equal to the supply signal minus a predetermined voltage reference.

Charging device, charging method, power adapter and terminal

The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The device includes: a charging receiving terminal configured to receive a first alternating current; a voltage adjusting circuit, including a first rectifier configured to rectify the first alternating current and output a first voltage with a first ripple waveform, a switch unit configured to modulate the first voltage according to a control signal to obtain a modulated first voltage, a transformer configured to output a plurality of voltages with ripple waveforms according to the modulated first voltage, and a compositing unit configured to composite the plurality of voltages to output a second alternating current; and a central control module configured to output the control signal to the switch unit so as to adjust voltage and/or current of the second alternating current in response to a charging requirement of the battery.

Protection circuit for battery pack and battery pack including the same

A protection circuit for a battery pack including a rechargeable battery cell having a positive electrode and a negative electrode is disclosed. The protection circuit includes a self-discharge switching device electrically connected to the positive electrode and the negative electrode of the battery cell, and a control unit electrically connected to the battery cell and the self-discharge switching device to turn-on or turn-off the self-discharge switching device according to a temperature of the battery cell.

Charging device and methods of authorizing a charging request

A charging device includes a power delivery system configured to supply power to at least one load coupled to the charging device. The charging device also includes a processor coupled to the power delivery system, and the processor is programmed to transmit a charging request to a remote device. The charging request includes an amount of power requested to be supplied to the at least one load. The processor is programmed to receive data related to a loading of a power distribution device, wherein the power distribution device is configured to supply power to the charging device. The processor is further programmed to selectively activate the power delivery system to supply power to the at least one load based on the data received.

Method and apparatus for detecting efficiency of wireless power transmission

Provided are a method and apparatus for detecting an efficiency of a wireless power transmission. An output power of a source device may be adjusted based on current that is flowing in a power converter of the source device. The efficiency of wireless power transmission may be calculated based on the adjusted output power, and an amount of power used by a target device.

SYSTEM AND METHOD FOR HYBRID-ELECTRIC VEHICLE BATTERY CAPACITY ESTIMATION

An electrified vehicle includes a powertrain that includes an engine and an electric machine. The vehicle includes a traction battery that is charged and discharged by operation of the engine and the electric machined. The vehicle includes a controller programmed to operate the engine and the electric machine to satisfy a driver power demand. The controller is also programmed to initiate an estimated of a capacity of the traction battery under predetermined conditions. The controller operates the engine and the electric machine to satisfy the driver power demand and charge and discharge the traction battery in a predetermined manner to create conditions favorable for estimating the capacity.

POWERING AND/OR CHARGING WITH MORE THAN ONE PROTOCOL

Systems and methods for modifying the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. Applications for use in charging or powering multiple devices with a wireless power charger system are also described. Applications include beam shaping, beam forming, phase array radar, beam steering, etc. and inductive charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial applications, vehicles, and other usages. Embodiments of the invention can also be applied generally to power supplies and other power sources and chargers, including systems and methods for improved ease of use and compatibility and transfer of wireless power to mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, military, industrial applications and/or vehicles.

METHOD FOR BRAKING A FIELD-GUIDED ELECTRIC MOTOR

Die Erfindung betrifft ein Verfahren zum Abbremsen eines feldgeführten Elektromotors, der über eine Steuervorrichtung (2) an einem Akkupack (3) mit einer Versorgungsspannung (Uv) betrieben wird. Der Elektromotor (1) weist einen Stator (8) und einen Rotor (9) auf, wobei der Stator (8) mehrere Feldwicklungen (a, b, c) trägt. Zur Ausbildung eines antreibenden elektromagnetischen Drehfeldes im Motorbetrieb werden die Feldwicklungen (a, b, c) in Abhängigkeit der Drehlage des Rotors (9) von der Steuervorrichtung (2) bestromt. In einem rekuperativen Bremsbetrieb werden in den Feldwicklungen (a, b, c) des Stators (8) induzierte Spannungen einen rekuperativen Akkustrom (37) mit einer Rückspeiseleistung (PBattery) bewirken, die den Akkupack (3) auflädt. Der Motorstrom (7) setzt sich aus einem ersten, feldbildenden Motorstromanteil (id) und einem zweiten, momentbildenden Motorstromanteil (iq) zusammen, wobei im Bremsbetrieb des Elektromotors (1) die Größe des momentbildenden Motorstromanteils (iq) ...

СПОСОБ И УСТРОЙСТВО ДЛЯ УПРАВЛЕНИЯ И/ИЛИ РЕГУЛИРОВАНИЯ ПО МЕНЬШЕЙ МЕРЕ ОДНОГО РАБОЧЕГО ПАРАМЕТРА АККУМУЛЯТОРА ЭЛЕКТРОЭНЕРГИИ, ВЛИЯЮЩЕГО НА УРОВЕНЬ СТАРЕНИЯ АККУМУЛЯТОРА ЭЛЕКТРОЭНЕРГИИ

Verfahren und Vorrichtung zum Trennen eines fehlerhaften Moduls aus einem Parallelverbund einer Mehrzahl von Modulen einer Batterie für ein elektrisch angetriebenes Fortbewegungsmittel

Die vorliegende Erfindung betrifft ein Verfahren zum Trennen eines fehlerhaften Moduls (M1, M2, M3, M4, ME) aus einem Parallelverbund einer Mehrzahl von Modulen (M1, M2, M3, M4, ME) einer Batterie (20) für ein elektrisch angetriebenes Fortbewegungsmittel umfassend die Schritte: Ermitteln (100) von Zustandsinformationen der Mehrzahl von Modulen (M1, M2, M3, M4, ME) der Batterie (20) mittels einer Sensorik (30), Ermitteln (200) eines Fehlerzustandes der Mehrzahl von Modulen (M1, M2, M3, M4, ME) auf Basis der Zustandsinformationen, und Trennen (600) desjenigen Moduls (M1, M2, M3, M4, ME) aus dem Parallelverbund der Mehrzahl von Modulen (M1, M2, M3, M4, ME), welches einen Fehlerzustand aufweist,wobei jedes der Module (M1, M2, M3, M4, ME) eingerichtet ist, einzeln aus dem Parallelverbund der Mehrzahl von Modulen (M1, M2, M3, M4, ME) getrennt zu werden, und eine Anzahl der Mehrzahl von Modulen (M1, M2, M3, M4, ME) um mindestens Eins größer ist, als eine für einen Fahrbetrieb des Fortbewegungsmittels ...

Batteriemodul und Verfahren zum Überwachen eines Batteriemoduls

Es wird ein Batteriemodul (221) mit mehreren Batteriezellen (21), die mit einer Zellüberwachungselektronik (228, 229) ausgestattet sind, und einer Überwachungs- und Ansteuerungseinheit (230), die zur Überwachung des Batteriemoduls (221) eingerichtet ist, beschrieben. Das Batteriemodul (221) weist eine Koppeleinheit (227) auf, die eine Halbbrücke (240) mit Leistungshalbleitern (241, 242) zum Koppeln der Batteriezellen (21) an Ausgangsterminals (224, 225) des Batteriemoduls (221) umfasst. Ferner ist die Überwachungs- und Ansteuerungseinheit (230) dazu eingerichtet, einen von einem Normalbetrieb des Batteriemoduls (221) abweichenden Betriebszustand zu erkennen und die Leistungshalbleiter (241, 242) derart anzusteuern, dass ein sicherer Betriebszustand des Batteriemoduls hergestellt wird.

Batteriezelleinrichtung mit Transportsicherheitsfunktion und Verfahren zum Überwachen einer Batteriezelle

Es wird eine Batteriezelleinrichtung (221) mit einer Batteriezelle (21) und einer Überwachungsvorrichtung zum Überwachen der Batteriezelle (21) beschrieben. Die Überwachungsvorrichtung umfasst eine Sensorvorrichtung (240) zur Erfassung von mehreren die Batteriezelle (21) betreffenden physikalischen Größen, eine Zustandsermittlungsvorrichtung (250), die dazu ausgebildet ist, anhand einer Auswertung von durch die Sensorvorrichtung (240) bereitgestellten aktuellen Messwerten einen Batteriezellzustand zu erkennen und/oder vorherzusagen, und eine Aktorvorrichtung (260), die dazu ausgebildet ist, die Batteriezelle (21) in einen sicheren Betriebsmodus zu überführen und/oder in dem sicheren Betriebsmodus zu halten. Die Überwachungsvorrichtung weist vorzugsweise eine Transportsicherheitsfunktion (270) auf, mittels der durch Empfangen eines extern erzeugten Aktivierungssignals (601) ein kritischer Batteriezellzustand, in dem die Batteriezelle (21) durch einen Transport der Batteriezelleinrichtung ...

Bussystem zur elektronischen Energieversorgung

Safety device for safe operation of charging device of battery utilized for supplying electrical power to electrical load of e.g. electric car, has communication interface that transmits actual auxiliary current value to charging device

The device (24) has a current detecting unit (28) for detection of current by an electrical fuse (12). A determination unit (30) determines a value depending on the detected current by the fuse, where the value represents an actual auxiliary current value. The current is maximally increased around the actual auxiliary current value by the fuse. A communication interface (32) i.e. wireless local area network (WLAN) interface, transmits the value to a charging device (26). A processing unit (36) of the charging device adjusts the current to an electrical load unit (14) depending on the value. Independent claims are also included for the following: (1) a charging device comprising a processing unit (2) a system comprising a charging device and a safety device.

Safety device for battery charging

In the case of a safety device for charging and/or discharging batteries, having a switch which can be tripped by a fault current and having a connecting cable, provision is made for the switch (1) to be arranged in immediate proximity to one battery pole (2) and to be trippable by a fault current flowing via the connecting cable (3) to the location of the short-circuit between the charging device (3) or load and the battery (4). ...

Dynamische Anpassung der Batteriestromgrenze auf Basis der Nutzung

Ein Verfahren zur dynamischen Anpassung einer Batteriestromgrenze in einem System mit einem Batterie-Pack beinhaltet das Bestimmen eines Batterie-Pack-Stroms als Ladestrom, der in das Batterie-Pack fließt, oder als Entladestrom, der daraus hinausfließt, sowie das Berechnen eines zeitgefensterten mittleren Stromwertes für jeden aus dem Ladestrom, dem Entladestrom und einem Effektivstrom des Batterie-Packs. Die Batteriestromgrenze kann dynamisch angepasst werden, wenn irgendeiner oder alle berechneten zeitgefensterten Mittelwerte eine entsprechende kalibrierte Regelschwelle überschreiten. Die Batteriestromgrenze ist eine fensterspezifische Stromgrenze, die größer ist als die kalibrierte Regelschwelle und geringer als eine statische/feste Stromgrenze für das Batterie-Pack. Ein System beinhaltet das Batterie-Pack, einen Sensor, der funktionsfähig ist, ein Hineinfließen/Ausfließen eines Stroms in den/aus dem Batterie-Pack zu messen, und eine Steuerung, die programmiert ist, die Batteriestromgrenze ...

Elektrisches Speichersystem

Wenn ein Spannungswert einer elektrischen Speichervorrichtung höher wird als ein vorbestimmter Spannungswert zum Erkennen eines überladenen Zustands der elektrischen Speichervorrichtung, wird eine Berechnung einer Wärmeerzeugungsmenge der elektrischen Speichervorrichtung basierend auf einem Stromwert gestartet. Wenn die berechnete Wärmeerzeugungsmenge größer ist als eine vorbestimmte Menge, wird bestimmt, dass die elektrische Speichervorrichtung in einem anormalen Zustand (einem anormalen Zustand in Bezug auf eine Erwärmung) ist. Da die elektrische Speichervorrichtung in einen leicht erwärmten bzw. erwärmbaren Zustand eintritt, wenn der Spannungswert höher wird als der vorbestimmte Spannungswert, kann die Wärmeerzeugungsmenge überwacht werden, indem eine Berechnung der Wärmeerzeugungsmenge gestartet wird. Sobald der Spannungswert höher wird als der vorbestimmte Spannungswert, kann der anormale Zustand durch Überwachung der Wärmeerzeugungsmenge, ungeachtet einer Hoch/Niedrig-Beziehung zwischen ...

Vehicle supply state monitor - has diode ensuring differential voltage drop across charge lamp during over-excitation period

Various defects of a transistor controller of a vehicle supply unit are readily detected preventing damage of inboard battery by voltage rise in the case of its short-circuit. The charge indicating lamp (11) is connected to a Zener diode (18) maintaining a constant voltage. Over-excitation leading to a rise in the inboard supply voltage causes a differential voltage drop across the lamp. The lamp (11) is connected to the positive terminal of the inboard supply via ignition switch (10) while a junction (12) connects it to the battery (6). The junction also links the excitation winding (9) of the alternator (1) while the other terminal of the lamp is connected to a decoupling diode (13).

Entprellschaltung zur Verhinderung von Schützklebern bei (Traktions)- Batterien

Die Erfindung betrifft eine Batterievorrichtung (21) mit einer Batteriezelleneinheit (1), einem Zwischenkreiskondensator (16), mindestens einem ersten Schaltelement (6) zum Verbinden der Batteriezelleneinheit (1) mit dem Zwischenkreiskondensator (16) und einer Ladeschaltung für den Zwischenkreiskondensator (16), die eine zu dem ersten Schaltelement (6) parallele Reihenschaltung aus einem zweiten Schaltelement (7) und einem zweiten Vorladewiderstand (8) aufweist. Eine erfindungsgemäße Pufferschaltung (20), welche ein drittes Schaltelement (2), einen dritten Vorladewiderstand (8) und einen Pufferkondensator (10) aufweist, vermag beim Öffnen oder Schließen der Hauptschalter (6) und (9), auftretende Überspannungen zu verringern. Die Pufferschaltung (20) kann ferner auch als Filter von Rippelströmen dienen. Damit werden Lichtbögen in Relais verringert und deren Lebensdauer erhöht. Somit wird die Robustheit der Batterievorrichtung (21) erhöht.

Fahrzeug

Ein elektrisch angetriebenes Fahrzeug (100) umfasst einen Batteriepack (10), der eine Batterie-ECU (13) umfasst, eine Gatter-ECU (60), die getrennt von dem Batteriepack (10) bereitgestellt ist, und eine HVECU (50), die getrennt von dem Batteriepack (10) und der Gatter-ECU (60) bereitgestellt ist und konfiguriert ist, einen Parameter aus einer Batterieleistung und einem Batteriestrom der Batterie (11) als ein Steuerungsziel zu steuern. Die Gatter-ECU (60) ist bei einer Position außerhalb des Batteriepacks (10) eingebaut und leitet eine Kommunikation zwischen der Batterie-ECU (13) und der HVECU (50) weiter.

Charge/discharge switch control circuits for batteries

A charge/discharge switch control circuit 202 for a battery pack 200 includes a set of driving terminals 212, 216 and detection circuitry coupled to the driving terminals 212, 216. The driving terminals 212, 216 provide driving signals to control a status of a switch circuit QCHG, QDSG to enable charging or discharging of the battery pack 200. The detection circuitry receives voltages at multiple terminals 210, 214, 218 of the switch circuit QCHG, QDSG, and detects a status of an interface PACK+, PACK-of the battery pack 200 according to the status of the switch circuit QCHG, QDSG and a difference between the voltages by comparing the difference to a reference 224 using a comparator 226. In this way the presence of a charger at the pack interface PACK+, PACK- can be detected. By using a capacitor (336, figure 3) the presence of a load at the pack interface PACK+, PACK- can also be detected. The interface PACK+, PACK- can receive power to charge the battery pack 200 and provide power from ...

Rechargeable battery jump starting device with leapfrog charging system

A rechargeable battery jump starting device with a leapfrog charging system. The leapfrog charging system, for example, can sequentially charge multiple batteries of the rechargeable battery jump starting device. For example, the rechargeable battery jump starting device is a portable rechargeable battery jump starting device configured for jump starting automobiles, heavy equipment, commercial vehicles, commercial equipment, trucks, buses, commercial trucks, front loaders, dozers, back hoes, excavators, rollers, fork lift, specialized commercial equipment, logging equipment, airplanes, jets, and other battery started vehicles and equipment.

Battery management

Rechargeable battery jump starting device and battery frame

A rechargeable battery jump starting device and a battery frame for use in an electronic device such as a portable rechargeable battery jump starting device. The rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery to a battery being jump started.

Circuit for Protecting a Battery against Surge Current Output

The circuit comprises a capacitor 103 connected across the battery 101. An inductor 102 may be connected in series between the battery 101 and capacitor 103. ...

Charging a plurality of batteries

A charge control circuit 450 closes switches FET41, FET42 alternately in time division manner so that batteries 410, 420 are alternately connected to a common constant current charge circuit 400 whereby the batteries are effectively simultaneously charged. Respective FET's 43 and 44 allow the batteries to discharge in parallel into a DC-DC converter 402 which provides a suitable operating voltage for a portable electronic apparatus. A connector 401 on the apparatus may be coupled to an external AC adaptor which can feed the converter 402 and the charge circuit 400, the battery discharge FET's 43, 44 being turned off in response to the voltage applied by the adaptor to the connector 401.

Vehicle auxiliary battery charging system

Arrangement, circuit breaker and precharging device for a DC power network

Safety output device for use in a power converter and power converter provided with the same

Portable vehicle battery jump starter with air pump

A portable or handheld jump starting and air compressing apparatus for jump starting a vehicle engine and air inflating an article such as a tire. The apparatus can include a rechargeable lithium ion battery or battery pack and a microcontroller. The lithium ion battery is coupled to a power output port of the device through a FET smart switch actuated by the microcontroller. A vehicle battery isolation sensor connected in circuit with positive and negative polarity outputs detects the presence of a vehicle battery connected between the positive and negative polarity outputs. A reverse polarity sensor connected in circuit with the positive and negative polarity outputs detects the polarity of a vehicle battery connected between the positive and negative polarity outputs.

Rechargeable battery jump starting device with battery detection system

Battery charger with transient suppression

Charging device principally for the charging of stationary accumulators and comprising a mains transformer (L1, K1, L2) connected via a rectifying device (D10-D13) with the accumulator (B) and designed to permit the use of capacitive current limitation in the primary circuit of the mains transformer without the risk of series resonance and consequent current surges. The charging device has, according to the invention, in series with the primary winding (I1) of the mains transformer both a current limitation condenser (C1) and a safety circuit (SK) which for the purpose of preventing current surges is transferable between a high ohmic and a low ohmic circuit condition, in which connection the safety circuit for control between the two conditions is connected with a control circuit (ST) connected in series with the secondary winding L2 of the mains transformer. The control circuit is arranged to transfer the safety circuit to the low ohmic condition as soon as a predetermined value of the ...

Use of shared feedback among two or more reactive schemes

A power delivery system includes a power converter 20 electrically coupled to a power source to supply electrical energy to loads. Control circuitry 30 controls the power converter 20 in accordance with a control variable. The control circuitry 30 includes a first control mechanism 62 to generate first intermediate control variable Imax2 based on a first physical quantity Vsns associated with the power delivery system, and a second control mechanism 60 to generate second intermediate control variable Imax1 based on a second physical quantity Vcell associated with the power delivery system. A selector 66 selects the control variable from the first intermediate control variable Imax2 and the second intermediate control variable Imax1, and a shared feedback memory element 69 feeds back the control variable to inputs of the first control mechanism 62 and the second control mechanism 60. The first control mechanism 62 generates the first intermediate control variable Imax2 based on the first ...

Power supply circuit using rechargeable battery

A power supply circuit uses a rechargeable battery that if a connection switching unit changes to a circuit connected state, a current starts to be supplied from the rechargeable battery to an over-discharge protection circuit, a logic circuit, and a power supply control circuit, and if the connection switching unit changes to a circuit non-connected state during this current supply, the current supplied to the over-discharge protection circuit, the logic circuit, and the power supply control circuit is maintained, and a current supplied from the rechargeable battery to the load circuit is started by supplying the current from the power supply control circuit to the load circuit, and if a voltage of the rechargeable battery drops while the current is supplied to the load circuit, and the over-discharge protection circuit stops the current supplied from the rechargeable battery to the load circuit, the over-discharge protection circuit maintains the stopped state.

Apparatus and method for charging and discharging a dual battery system

A dual battery charging and discharging system controls the configuration of multiple batteries arranged in multiple battery banks. The batteries within each bank are connected in series when powering an electrical load, such as a service motor, and are connected in parallel when charging. A microprocessor monitors the voltage levels of the batteries in each bank and controls relays to switch the electrical load over to a charged battery bank when the voltage level of the discharging battery bank drops below a minimum run threshold. The microprocessor also monitors the voltage levels of the charging battery bank and controls relays to cease charging when the voltage level rises above a minimum charge threshold. The batteries are charged by an alternator driven by a drive motor through a gear reduction system.

Multi-resonator wireless energy transfer for appliances

A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator. The mobile wireless receiver includes a load associated with electrically powering an appliance, and a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator.

Charge stop point detecting method, charge stop point detecting device, and a battery pack

After the highest voltage of a rechargeable battery 1 becomes higher than 4.0 V, when the charging current keeps lower than 50 mA for 20 seconds, a first point is detected for stopping charging the battery 1 . Also, after the highest voltage becomes higher than 4.0 V, the charged capacity value and the discharged capacity value are added and subtracted for integrating the charged/discharged capacity if the highest voltage keeps higher than the integration start voltage. When the integration result shows that the battery 1 is charged totally after the highest voltage becomes higher than 4.0 V, and when the absolute value of the integration result becomes larger than 50% of the designed capacity of the battery 1 , the point second is detected for stopping charging the battery 1.

Charging device and methods of authorizing a charging request

A charging device includes a power delivery system configured to supply power to at least one load coupled to the charging device. The charging device also includes a processor coupled to the power delivery system, and the processor is programmed to transmit a charging request to a remote device. The charging request includes an amount of power requested to be supplied to the at least one load. The processor is programmed to receive data related to a loading of a power distribution device, wherein the power distribution device is configured to supply power to the charging device. The processor is further programmed to selectively activate the power delivery system to supply power to the at least one load based on the data received.

Battery pack

A battery pack is constructed with a rechargeable battery, a protection circuit part that protects the battery when the battery is charged and discharged, and a switching unit that turns on or off a power source of the protection circuit part. Also, the battery pack may be constructed with a rechargeable battery, a protection circuit part that protects the battery when the battery is charged and discharged, and electric wiring lines constructed so that the power source of the protection circuit part may be turned on and off. When the battery pack is not connected to a charger or a load by the switching unit or the electric wire lines, the power source of the circuit is blocked to prevent the battery pack from being shorted and to reduce the idle power. When the battery pack is connected to the charger or the load, the power source is applied to the circuit so that the circuit operates.

Cell balance device and battery system

Provided are a cell balance device for protecting a switch circuit from an overcurrent flow. The cell balance device includes: a plurality of electric accumulator connection terminals each connected to one of a node and two terminals of electric accumulators connected in series; a voltage hold device connection terminal connected to a voltage hold device; a plurality of first switch circuits provided between the plurality of electric accumulator connection terminals and the voltage hold device; a control circuit for controlling ON/OFF of the plurality of first switch circuits based on a synchronization signal; and an overcurrent detection circuit for detecting an overcurrent flowing through each of the plurality of first switch circuits.

Communication apparatus and communication method in wireless power transmission system

An apparatus and method to perform communication in a wireless power transmission system are provided. When a communication channel is selected from channels excluding a channel used in wireless power transmission, a communication apparatus and method transmit, using a frequency of the communication channel, a channel seizure signal, an access standard instruction, and a state information signal indicating an operating mode of a source. When a response signal corresponding to the access standard instruction is received from a target, the communication apparatus and method determine a control identifier (ID) of the target.

Power System and Power Controlling Method and Apparatus Thereof

A power controlling method includes the following steps. A first Proportional Integral (PI) computation is performed according to an input current signal and command. Next, whether the input current signal is greater than a maximum rated charging current of a battery unit is determined to generate a switching signal for controlling a brake unit correspondingly. Then, a second PI computation is performed in accordance with the output voltage signal and a predetermined voltage command. Thereafter, the output voltage signal and the voltage command are compared to set an output current command selectively. Next, a third PI computation is performed in accordance with the output current signal and command to adjust a first pair of switching signals and a second pair of switching signals, such that a switching unit performs a corresponding switching action to adjust the output voltage signal. A power system and a power controlling apparatus are provide.

Power Tool and Battery Pack for Use in the Power Tool

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

Secondary battery pack connection control method, power storage system, and secondary battery pack

A power storage system has a plurality of secondary battery packs and a host device. The secondary battery packs each have: secondary batteries; a charge switch means that turns a charging path to the secondary batteries ON and OFF; a discharge switch means that turns a discharging path from the secondary battery ON and OFF; and a current-limiting means that causes the secondary battery to discharge while limiting the current to, or below, a fixed value. When switching from the secondary battery pack connected to the input/output terminals of the system to a first secondary battery pack in which voltage is higher than in the second secondary battery pack, the host device causes the charge switch means of the second secondary battery pack to turn OFF the charging path while in a state in which the current limiting means of the first secondary battery pack will cause a discharge operation to begin while limiting the flow of current.

Adapter circuitry for enabling charging and/or recharging a device or battery of a different type

An electronic adapter circuit for charging and/or recharging a battery of a first battery type utilizing a charging device for a battery of a second different battery type, may comprise: an electronic circuit for controlling the charging of the battery of the first battery type when the battery of the first type is charged by the battery charging device, wherein the electronic circuit has high conductivity when the battery of the first type provides electrical power to a load, and has a reduced conductivity for limiting charging of the battery of the first type when it is charged by the battery charging device. The electronic circuit may include a controllable conductivity device having high conductivity when the battery of the first type provides power to a load, and a battery charging control circuit for reducing the conductivity of the controllable conductivity device for limiting the charging of the battery.

Method and apparatus for providing supplemental power to an engine

A method and apparatus provides supplemental power to an engine. The method and apparatus includes a pair of conductive leads for connecting the supplemental power to an engine electrical system, one or more batteries connected in parallel with one or more capacitors, a relay connected to the conductive leads, a shunt cable connecting the batteries and capacitors to the relay and a processor for controlling the relay to selectively apply electrical power to the engine electrical system. The method and apparatus includes safety features to reduce the risk of injury to the operator and damage to the apparatus and/or engine electrical system.

Battery protection circuit

A battery pack including a battery and a battery protection circuit is disclosed. In one aspect, the battery protection circuit comprises a protective device configured to inhibit a flow of current between an electrode of the circuit and the battery when activated. The battery protection circuit further comprises a primary protection circuit and a secondary protection circuit. The primary protection circuit is configured to generate a control signal for control the protective device when detecting an abnormal voltage in a unit cell of the battery. The secondary protection circuit is configured to activate the protective device, either when receiving the control signal from the primary protection circuit or when detecting an abnormal voltage in a unit cell of the battery.

Rechargeable electric tool and method for manufacturing rechargeable electric tool

The electric tool is powered by a secondary battery as a power source, and includes: an output section configured to be transmitted thereto a rotation of a motor directly or through a decelerator; a voltage measurement section that measures a battery voltage; a storage means that stores, as a reference voltage, a voltage value of the battery voltage measured preliminarily when a motor-lock is occurring; and a control means that controls a driving of the motor. The control means is configured to decide that the motor is being locked and then stop or decelerate the motor upon detecting that the battery voltage measured through the voltage measurement section is maintained lower than or equal to the reference voltage stored in the storage means for a predetermined period of time during the driving of the motor.

Battery charger

A battery charger which includes an input supply terminal configured to receive a supply signal, a battery terminal configured to be connected to a battery, at least one output terminal and an electrical path between the battery terminal and the output terminal, at least one device for the detection of one alarm condition of the battery or the battery charger. The battery charger includes circuitry configured to enable the at least one detection device at timing intervals when the battery supplies the at least one output terminal.

Wireless power transmission system and method for increasing coupling efficiency by adjusting resonant frequency

A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.

Electronic cigarette and a wireless charging device for the same

An electronic cigarette and a wireless charging device for the same. The electronic cigarette comprises a receiving coil electrically connected with a battery. The receiving coil is provided in a body of the electronic cigarette and an axis of the coil is parallel to the electronic cigarette. The charging device comprises an electronic switch and a transmitting coil connected with a power source in sequence. The electronic switch is controlled by a transmitting control unit, and the transmitting coil is used for the electronic cigarette to be inserted therein. A housing of the charging device is provided with an inserting hole or a sleeve, which is placed correspondingly with the transmitting coil. The electronic cigarette and the wireless charging device for the same work in a non-contact manner by using a insert total electromagnetic coupling structure.

Power supply apparatus and method, and user equipment

Embodiments of the present invention provide a power supply apparatus and method, and a user equipment. In the embodiments of the present invention, charging protection for the battery electric core and a bypass function for the voltage boost circuit can be implemented through control that is performed on the switch device by the logic control circuit, so that additional impedance can be reduced and working efficiency can be improved.

Charger

A charger in one aspect of the present invention includes: a connecting portion, two protection devices, a charging device, a control device, and a voltage detection device. A first protection device is configured such that its power consumption in a charging inhibited state is lower than that in a charging permitted state. A second protection device is configured such that its power consumption in the permitted state is lower than that in the inhibited state. The control device is configured to respectively set, when the battery is not connected to the connecting portion, the first protection device to the inhibited state and the second protection device to the permitted state, and thereafter switch, when the voltage value of the charging path detected by the voltage detection device is equal to or greater than a predetermined specified voltage value, the second protection device to the inhibited state.

Supply voltage control

A disconnect device for a switched-mode power supply, including an activation device for a first transistor for generating a transformable voltage. The device includes a second transistor of the PNP type and a third transistor of the NPN type, the base of the second transistor being connected to the collector of the third transistor and the base of the third transistor being connected to the collector of the second transistor. The emitter of the third transistor is connected to ground. The emitter of the second transistor is connected to a control voltage terminal of the activation device, the control voltage terminal being configured for suppressing the generation of the voltage by the first transistor, if the control voltage terminal is connected to ground, so that the generation of the voltage is suppressed if the base of the third transistor is acted upon by a voltage exceeding a predetermined threshold value.

Voltage equalization apparatus for connecting power storage unit racks and power storage system including the same

The present disclosure describes a voltage equalization apparatus for equalizing voltages of adjacent power storage unit racks included in a power storage system. The voltage equalization apparatus according to the present disclosure includes a resistor to which a current flowing from a high-voltage unit rack to a low-voltage unit rack is applied; and a circuit breaker for voltage equalization installed on a line through which the current flows.

SEMICONDUCTOR DEVICE AND BATTERY PACK

A semiconductor device with reduced power consumption is provided. The semiconductor device includes a node ND, a node ND, a resistor, a capacitor, and a comparison circuit. The resistor is electrically connected in series between one of a positive electrode and a negative electrode of a secondary battery and a first terminal. The resistor has a function of converting current flowing between the one of the positive electrode and the negative electrode of the secondary battery and the first terminal into a first voltage. The first voltage is added to a voltage of the node ND through the capacitor. The comparison circuit has a function of comparing a voltage of the node ND and the voltage of the node ND. The comparison circuit outputs a signal that notifies detection of overcurrent when the voltage of the node ND is higher than the voltage of the node ND 128-. (canceled)29. A battery pack comprising:first to fourth transistors and a comparator;a control circuit electrically connected to gate electrodes of the first to fourth transistors; anda secondary battery electrically connected to the control circuit,wherein one of a source and a drain of the first transistor is electrically connected to a non-inverting input terminal of the comparator,wherein one of a source and a drain of the second transistor is electrically connected to an inverting input terminal of the comparator,wherein one of a source and a drain of the third transistor is electrically connected to one of a source and a drain of the fourth transistor,wherein a first resistor is included between the other of the source and the drain of the third transistor and the other of the source and the drain of the fourth transistor,wherein a first capacitor is electrically connected to the one of the source and the drain of the first transistor,wherein a second capacitor is included between the one of the source and the drain of the second transistor and the one of the source and the drain of the third transistor, ...

Battery pack and electric bike including the same

A battery pack includes a battery, a battery management system (BMS), a charge switch, a discharge switch, and a tilt sensor. The BMS monitors voltage and current states of the battery and control charge and discharge operations of the battery. The charge and discharge switches operate based on control signals from the BMS. The BMS measures a variation in tilt angle of the battery pack or a load based on tilt information sensed by the tilt sensor, and turns off the discharge switch when the tilt angle variation is equal to or less than a first critical value for a preset time period. The load may be an electric vehicle or another type of load.

Wireless power transfer through a metal object

A method and system for providing wireless power transfer through a metal object is provided. In one aspect, an apparatus for wirelessly receiving power via a magnetic field is provided. The apparatus includes a metal cover including an inner portion and an outer portion. The outer portion is configured to form a loop around the inner portion of the metal cover. The outer portion is configured to inductively couple power via the magnetic field. The apparatus includes a receive circuit electrically coupled to the outer portion and configured to receive a current from the outer portion generated in response to the magnetic field. The receive circuit is configured to charge or power a load based on the current.

Cable connector, cable clamp, and method for detecting bridging of car batteries

A cable connector, a cable clamp, and a method for detecting bridging of car batteries. The cable connector includes a housing and a wiring circuit, wherein the wiring circuit is arranged in the housing and includes a first wiring terminal, a second wiring terminal, and a detection module and voltage absorption module electrically connected between the first wiring terminal and the second wiring terminal, and a voltage absorption module. The voltage absorption module includes a piezoresistor bridged between the first wiring terminal and the second wiring terminal. The detection module includes a first switch circuit and a second switch circuit which are oppositely bridged between the first wiring terminal and the second wiring terminal to be alternatively turned on, wherein the first switch circuit includes a first illumination unit, and the second switch circuit includes a second illumination unit.

CHARGING METHOD AND CHARGER

A charging method includes obtaining a working state of a present power adapter connected to a charger through a physical interface, in response to the working state of the present power adapter being an overcurrent protection state, continuing to supply power to a charging control circuit of the charger through a backup power of the charger, and reducing, via the charging control circuit, a present current output by the charger until the working state of the present power adapter returns to normal. 1. A charging method comprising:obtaining a working state of a present power adapter connected to a charger through a physical interface;in response to the working state of the present power adapter being an overcurrent protection state, continuing to supply power to a charging control circuit of the charger through a backup power of the charger; andreducing, via the charging control circuit, a present current output by the charger until the working state of the present power adapter returns to normal.2. The method of claim 1 , wherein obtaining the working state of the present power adapter includes:obtaining an output voltage output by the present power adapter to the charger; anddetermining the working state of the present power adapter according to the output voltage.3. The method of claim 2 , wherein determining the working state of the present power adapter according to the output voltage includes:in response to the output voltage being reduced to zero, determining that the present power adapter is in the overcurrent protection state.4. The method of claim 1 , wherein obtaining the working state of the present power adapter includes:obtaining a signal transmitted by the present power adapter, the signal including working state information of the present power adapter.5. The method of claim 1 , further comprising:obtaining a rated charging current of the battery; andsetting the rated charging current of the battery as an initial charging current of the battery.6. ...

Battery Protection Mode

Techniques for a battery protection mode are described. According to techniques described herein, an electronic device can operate in a standard charging mode where a battery of the device is permitted to be charged to full capacity. However, when a trigger event occurs, the electronic device transitions to a battery protection mode where a maximum permitted charge for the battery is reduced from the standard charging mode.

Batteries for use in implantable medical devices

Multi-cell battery packs can be made safer with certain features that mitigate the consequences of cell failure. Parameters of a cell are monitored to determine when the cell should be disconnected from the pack in case of a fault. The battery is reconfigured to continue operating in a safer mode. An over-charging prevention system reduces the maximum voltage that remaining battery pack can be charged to, so that the cells do not overcharge. Additional circuitry allows the disconnected cell to be periodically reconnected to the battery pack to determine if its conditions have sufficiently improved. The cells also include components for self-powering these cell functions while it is disconnected from the rest of the circuit.

Pre-charge unit for charging a dc link capacitor and battery system including the same

A pre-charge unit for charging a DC link capacitor includes a printed circuit board including at least one conductive layer; a pre-charge switch on the printed circuit board; and a pre-charge resistor electrically connected in series with the pre-charge switch, wherein the pre-charge resistor is formed by a conductive trace in the at least one conductive layer of the printed circuit board.

Secondary battery protection circuit

A secondary battery protection circuit includes a first terminal connected to a power supply path between a secondary battery and a MOS transistor, a second terminal connected to the power supply path between a load and the MOS transistor, a third terminal connected to a gate of the MOS transistor, a fourth terminal connected to a back gate of the MOS transistor, a control circuit that outputs a switch control signal based on a detected abnormal state of the secondary battery, and a switch control circuit including a first switch for connecting the fourth terminal with the first terminal and a second switch for connecting the fourth terminal with the second terminal. At least one of the resistance between the fourth terminal and the first terminal and the resistance between the fourth terminal and the second terminal is greater than the on resistance value of the MOS transistor.

DEVICE CONTROL FOR WIRELESS CHARGING

Embodiments of a system and method for controlling a device charging on a wireless charger are generally described herein. A method may include disabling, in response to determining that the device is currently charging on the wireless charger, haptic feedback at the device, determining whether the device is in a night mode or a day mode, in response to determining that the device is in the night mode and currently charging on the wireless charger, disabling notifications of the device, and enabling, in response to determining that the device is in the day mode, the haptic feedback and the notifications when the device has been removed from the wireless charger. 1. (canceled)2. A mobile device comprising:a battery;a touchscreen to present notifications;a speaker to generate audible alerts;global position system (GPS) circuitry;an accelerometer;wireless communication circuitry;a motor to cause vibration;memory; and charge the battery when the mobile device is on a wireless charger; and', 'limit, based at least in part on placement of the mobile device on the wireless charger, the notifications, the audible alerts, and the vibration., 'circuitry to3. The mobile device of claim 2 , wherein the circuitry is to enable the notifications claim 2 , the audible alerts claim 2 , and the vibration in response to removal of the mobile device from the wireless charger.4. The mobile device of claim 2 , wherein the circuitry is to disable the touchscreen claim 2 , the speaker claim 2 , and the motor to limit the notifications claim 2 , the audible alerts claim 2 , and the vibration claim 2 , respectively.5. The mobile device of claim 2 , wherein the circuitry is to:limit the notifications based at least in part on a first relationship between a current time and a time period; andenable the notifications based at least in part on a second relationship between the current time and the time period.6. The mobile device of claim 5 , wherein the time period is to be set by a user.7. The ...

Power electronic system for an electricity charging station and corresponding electricity charging station

A power electronic system for an electricity charging station having the following features: first busbars for feeding in an alternating current, second busbars for conducting away a direct current, a third busbar for grounding the system, ground cables connected to the first busbars, the second busbars and the third busbar, and power electronic assemblies for converting the alternating current into the direct current. The invention furthermore provides an electricity charging station including such a power electronic system.

BATTERY PACK AND POWER STORAGE DEVICE COMPRISING SAME

A battery pack includes a plurality of battery modules stacked on each other, each battery module having at least one battery cell; a control module stacked together with the plurality of battery modules for protection and power conversion of the plurality of battery modules; and a connection module configured to electrically connect the control module and the plurality of battery modules and integrally mounted to the plurality of battery modules and the control module. 1. A battery pack , comprising:a plurality of battery modules stacked on each other, each battery module of the plurality of battery modules having at least one battery cell;a control module stacked together with the plurality of battery modules for protection and power conversion of the plurality of battery modules; anda connection module configured to electrically connect the control module and the plurality of battery modules and integrally mounted to the plurality of battery modules and the control module.2. The battery pack according to claim 1 , wherein the control module is provided as a serial connection module for connecting the plurality of battery modules in series or a parallel connection module for connecting the plurality of battery modules in parallel.3. The battery pack according to claim 1 , wherein the connection module includes:a serial connection module connecting unit configured for connection to the serial connection module; anda parallel connection module connecting unit configured for connection to the parallel connection module.4. The battery pack according to claim 3 , wherein the serial connection module connecting unit and the parallel connection module connecting unit are provided with different shapes.5. The battery pack according to claim 1 , wherein the connection module includes a fuse member configured to block an overcurrent so that the plurality of battery modules are protected.6. The battery pack according to claim 1 , wherein each of the plurality of battery ...

Minimize bulk capacitance and prevent controller resets due to the voltage drop associated with a fault condition

A circuit for connecting a voltage source to a load is provided. The circuit may include a Vbatt node configured to be connected to a voltage source and a diode electrically connected with the Vbatt node. A battery isolation switch module is electrically connected with the diode, the diode being arranged in series between the battery isolation switch module and the Vbatt node. A capacitor bank is electrically connected with the battery isolation switch module and to ground. The capacitor bank is configured to be further connected with a microprocessor power supply. A high side driver may be configured to receive power from the voltage source. The diode is configured to isolate the capacitor bank and the power supply. The diode is arranged to prevent current from flowing back through the diode from the battery isolation switch module and the capacitor bank to the Vbatt node or HSD output.

Power scaling

Disclosed are systems and methods for measuring and calculating parameters to control and monitor a power transfer in an implanted medical device, including operating the device in a plurality of scalable power modes and/or coupling modes. The system may shift between or among power and/or coupling modes based on input such as data received over system communication lines, programmable timers, or electrical loading information. The system may also shift between or among power and/or coupling modes based on calculated amounts of coupling, levels of detected heat flux, and/or amounts of estimated temperature changes.

Flexible resonator attachment

Described herein are improved configurations for a wireless power transfer for electronic devices. In embodiments reconfigurable or flexible attachment between a source and a device is realized using permanent magnets or electromagnets. Magnetic material may be positioned on or around one or more of the resonator to provide for locations for attaching permanent magnets. A permanent magnet attached to or near one of a source or device or repeater resonators may be used to flexibly attach to the non-lossy magnetic material of another resonator structure. In embodiments, replacing lossy permanent magnets and/or electromagnets in even one of the resonators of a wireless power system may be advantageous to system performance.

Electrical storage system, and control method for electrical storage system

A first electrical storage stack is connected in series with a second electrical storage stack. A current interrupter is configured to interrupt a current path by being removed from the current path. First and second detection line are respectively connected to first and second terminals of the first electrical storage stack. The second electrical storage stack is connected to the second terminal of the first electrical storage stack via the current interrupter. A third detection line is connected to a portion of the current path, located on the second electrical storage stack side of the current interrupter. A controller is configured to control charging and discharging operations of each of the first and second electrical storage stacks on the basis of the voltage of the first electrical storage stack, the voltage being detected via the first detection line and the third detection line.

Wireless charging device and method for controlling the same

A wireless charging device may include: a sensor unit sensing an input from an external device and generating a wake-up signal; a control unit, upon receiving the wake-up signal, exiting from a sleep mode to enter an active mode, and generating an activation signal; a detection unit receiving the activation signal from the control unit to detect a mobile terminal; and a power supply unit, in the case that the detection unit detects the mobile terminal, supplying power to the mobile terminal wirelessly.

ELECTRONIC DEVICE AND METHOD FOR TRANSMISSION OF REASON WIRELESS CHARGING IS STOPPING

An electronic device may include a display, a power reception circuit, and a processor. The processor may perform wireless charging by receiving power wirelessly from an external electronic device through the power reception circuit, and receive data on one or more reasons to stop wireless charging from the external electronic device during the wireless charging. Also, the processor may transmit acknowledge (ACK) data to the external electronic device in response to receiving the data on the one or more reasons to stop wireless charging, and display, through the display, at least one reason to stop wireless charging included in the data on the one or more reasons to stop wireless charging. Other embodiments are possible. 1. An electronic device comprising:a display;a power reception circuit; anda processor configured to:perform wireless charging by receiving power wirelessly from an external electronic device through the power reception circuit,alternatingly transmit, to the external electronic device during the wireless charging, control error packet (CEP) data for controlling the power received from the external electronic device and received power packet (RPP) data for indicating the power received from the external electronic device,receive data on one or more reasons to stop wireless charging from the external electronic device during the wireless charging, anda plurality of second values indicating different intervals of power loss caused by a foreign object between the external electronic device and the electronic device.2. The electronic device of claim 1 , wherein the processor is further configured to:use a first frequency for the wireless charging, anduse a same frequency as the first frequency for reception of the data on the one or more reasons to stop wireless charging.3. The electronic device of claim 1 , wherein the processor is further configured to:transmit acknowledge (ACK) data to the external electronic device in response to receiving the data ...

Battery system

In a control unit for a battery system, the control unit includes: an input node configured to receive a sensor signal indicating a state of at least one of a plurality of battery cells of the battery system; a first microcontroller configured to generate a first control signal based on the state of the at least one battery cell; a first communication interface configured to receive a second state signal indicating an operation state of a second microcontroller; and a switch control circuit configured to: receive the first control signal; generate a second control signal based on the state of the at least one battery cell; and transmit one of the first and second control signal to a power switch of the battery system based on at least one received state signal indicating an operation state of the first microcontroller and of an operation state of the second microcontroller.

System for Battery Charging

A power converter includes a conversion module. The conversion module may operate in an active mode or in a bypass mode. In the active mode, the conversion module may receive an input voltage and convert the input voltage to a fixed output voltage. In the bypass mode, the voltage across the output terminals of the conversion module is at substantially zero volts. An adjustable conversion module may convert input voltage to an adjustable output voltage. The output terminals of the conversion module and the output terminals of the adjustable conversion module are connected in series to form a series string. A controller may selectively activate the conversion module to be in the active mode or the bypass mode, and control the adjustable conversion module responsive to at least one of a load voltage and a load current required by a load connected across the series string. 1. An apparatus comprising:a first fixed conversion module configured to receive a first input voltage and to output a fixed output voltage;an adjustable conversion module configured to receive a second input voltage and to convert the second input voltage to an adjustable output voltage; anda controller configured to control the adjustable conversion module and the first fixed conversion module;wherein input nodes of the first fixed conversion module and of the adjustable conversion module are connected in parallel to one another at input terminals, and output nodes of the first fixed conversion module and of the adjustable conversion module are connected in series.2. The apparatus of claim 1 , wherein the adjustable conversion module comprises an adjustable converter.3. The apparatus of claim 2 , wherein the adjustable conversion module comprises a second fixed conversion module cascaded with the adjustable converter.4. The apparatus of claim 1 , further comprising a third fixed conversion module claim 1 , wherein input nodes of the first fixed conversion module and of the third fixed conversion ...

Battery protection package and process of making the same

The present invention discloses small-size battery protection packages and provides a process of fabricating small-size battery protection packages. A battery protection package includes a first common-drain metal oxide semiconductor field effect transistor (MOSFET), a second common-drain MOSFET, a power control integrated circuit (IC), a plurality of solder balls, a plurality of conductive bumps, and a packaging layer. The power control IC is vertically stacked on top of the first and second common-drain MOSFETs. At least a majority portion of the power control IC and at least majority portions of the plurality of solder balls are embedded into the packaging layer. The process of fabricating battery protection packages includes steps of fabricating power control ICs; fabricating common-drain MOSFET wafer; integrating the power control ICs with the common-drain MOSFET wafer and connecting pinouts; forming a packaging layer; applying grinding processes; forming a metal layer; and singulating battery protection packages.

Portable and modular energy storage with adjustable waveform characteristics for electric vehicles

A power system using multiple battery packs to generate a defined power output may include a plurality of modular battery packs, each of which may include: a first housing, a plurality of battery cells, a first interface that communicates information, and a second interface that transmits power. The power system may also include a second housing configured to removably receive the plurality of modular battery packs and a waveform generation circuit, and a processing system that is configured to receive the information from the battery packs indicating electrical waveform characteristics for power received from each, to cause the waveform generation circuit to aggregate the power received from the modular battery packs, and to cause the waveform generation circuit to generate an output electrical signal based on stored parameters.

WIRELESS POWER RECEIVING DEVICE, WIRELESS CHARGING METHOD AND SYSTEM

A wireless power receiving device includes: a wireless power receiving coil, an AC-DC circuit, a capacitor buck circuit, and a battery, wherein the capacitor buck circuit includes at least two capacitors and a switch; an output terminal of the wireless power receiving coil is connected to an input terminal of the AC-DC circuit, and an output terminal of the AC-DC circuit is connected to an input terminal of the capacitor buck circuit, and an output terminal of the capacitor buck circuit is connected to the battery; in a case that the switch is in a first connection state, the at least two capacitors are in a series state and store energy; and in a case that the switch is in a second connection state, the at least two capacitors are in a parallel state and release energy. 1. A wireless power receiving device , comprising: a wireless power receiving coil , an AC-DC circuit , a capacitor buck circuit , and a battery , wherein:the capacitor buck circuit comprises at least two capacitors and at least one switch;an output terminal of the wireless power receiving coil is connected to an input terminal of the AC-DC circuit, and an output terminal of the AC-DC circuit is connected to an input terminal of the capacitor buck circuit, and an output terminal of the capacitor buck circuit is connected to the battery;in a case that the at least one switch is in a first connection state, the at least two capacitors are in a series state and storing energy; andin a case that the at least one switch is in a second connection state, the at least two capacitors are in a parallel state and releasing energy.2. The wireless power receiving device according to claim 1 , wherein the capacitor buck circuit comprises a first-stage capacitor buck circuit and a second-stage capacitor buck circuit;the output terminal of the AC-DC circuit is connected to an input terminal of the first-stage capacitor buck circuit, and an output terminal of the first-stage capacitor buck circuit is connected to an ...

Power Feeding Control Device, Power Feeding System, and Power Feeding Method

A power feeding control device controls a power feeding system including a plurality of battery cells feeding power to a load, a bypass lines which connects or disconnects each of the battery cells and the load, an external power feeding unit which is connected in parallel with the load and feeds power to the load. Before the bypass line starts switching of a connection state between each of the battery cells and the load, supply voltage from the external power feeding unit to the load is increased. Further, after the bypass line switches the connection state between each of the battery cells and the load, the supply voltage from the external power feeding unit to the load is decreased. 1. A power feeding control device which controls a power feeding system including a plurality of power supplies feeding power to a load , a connection state switching unit which connects or disconnects each of the plurality of power supplies and the load , and an external power feeding unit which is connected in parallel with the load and feeds power to the load , whereinsupply voltage from the external power feeding unit to the load is increased before the connection state switching unit starts switching of a connection state between each of the plurality of power supplies and the load, andthe supply voltage from the external power feeding unit to the load is decreased after the connection state switching unit switches the connection state between each of the plurality of power supplies and the load.2. The power feeding control device according to claim 1 , whereinthe plurality of power supplies are formed by connecting a plurality of unit batteries or assembled batteries in series, andthe connection state switching unit is a bypass circuit which bypasses each of the plurality of unit batteries or assembled batteries.3. The power feeding control device according to claim 1 , whereinthe plurality of power supplies are connected in parallel, and the connection state switching unit ...

APPARATUS AND METHOD FOR CONTROLLING BATTERY MODULE, POWER SUPPLY DEVICE AND SYSTEM

The present disclosure provides an apparatus for controlling battery module, power supply device and power supply system. The apparatus includes a switch circuit and a first power controller. The first power controller is coupled with the switch circuit, a first busbar, a second busbar, and a battery module, and is configured to: control the switch circuit to conduct in a first direction, in a case of the voltage between the first busbar and the second busbar being greater than the voltage of the battery module and the power of the battery module being smaller than a first preset power; and control the switch circuit to conduct in a second direction, in a case of the voltage between the first busbar and the second busbar being smaller than the voltage of the battery module and the power of the battery module being greater than a second preset power. 1. An apparatus for controlling battery module , comprising:a switch circuit, coupled with a battery module in series between a first busbar and a second busbar, to form a conductive loop comprising the switch circuit, the battery module, the first busbar, and the second busbar; and detect a voltage between the first busbar and the second busbar, and monitor a voltage and a power of the battery module;', 'enter a charging mode in a case of the voltage between the first busbar and the second busbar being greater than the voltage of the battery module and the power of the battery module being smaller than a first preset power, and under the charging mode, control the switch circuit to conduct in a first direction, to charge the battery module via the conductive loop by using the voltage between the first busbar and the second busbar; and', 'enter a discharging mode in a case of the voltage between the first busbar and the second busbar being smaller than the voltage of the battery module and the power of the battery module being greater than a second preset power, and under the discharging mode, control the switch circuit ...

Battery charging method and electronic device

A battery charging method and an electronic device are disclosed. The electronic device can comprise: a connection unit comprising a first terminal to which a voltage is applied by an external device, and a second terminal for transmitting/receiving data; a first charging unit for charging a battery connected to the electronic device by using the voltage applied to the first terminal; and a second charging unit for charging the battery by dropping the voltage applied to the first terminal according to a preset voltage drop rate. The first charging unit can comprise: a first switch connected to the first terminal; a communication unit for transmitting information through the second terminal; and a first control unit for acquiring first information on the battery voltage, controlling the communication unit such that the first information is transmitted to a charger connected to the connection unit, and controlling the first switch such that the voltage adjusted on the basis of the first information by the charger is supplied to the second charging unit through the first terminal.

Flexible positive temperature coefficient device with battery management system

An electronic device including a protected component, a flexible positive temperature coefficient (PTC) device including a flexible sheet of PTC material coupled to a surface of the protected component, the flexible PTC device electrically connected to the protected component and adapted to arrest or mitigate electrical current flowing through the protected component upon the occurrence of an overcurrent condition, and a battery management system coupled to the flexible PTC device, the battery management system configured to measure a voltage across the flexible PTC device and to arrest or mitigate electrical current in the electronic device if the measured voltage across the flexible PTC device exceeds a predetermined threshold.

Battery pack and cap lamp system

A cap lamp system includes a battery pack featuring a housing with a battery cell and a protection circuit positioned within the battery pack housing. A pair of terminals are attached to the battery cell and are adapted to provide power to a cap lamp and/or other device(s). Circuitry is electrically attached to the battery cell and the cap lamp for controlling discharging of the battery cell when powering the cap lamp and/or other device(s) and charging of the battery cell when the battery pack is connected to a charger.

CONTROL SYSTEM, CONTROL METHOD AND INTEGRATED CIRCUIT FOR SECONDARY BATTERY PROTECTION

A control system includes a secondary battery protection apparatus and a device. The secondary battery protection apparatus includes one or more monitoring terminals each provided in a path different from power paths, each monitoring terminal being operable for monitoring a potential at a negative electrode of a given secondary battery cell among a plurality of the secondary battery cells. The secondary battery protection apparatus includes one or more internal switches each of which is provided in an internal line between the negative electrode of a given secondary battery cell and a given monitoring terminal. The device includes a balance control circuit that adjusts, based on potentials monitored by the monitoring terminals, a current flowing into a line path that includes a corresponding internal line. The balance control circuit controls balance among the cell voltages for the secondary battery cells, based on the adjusted current. 1. A control system comprising:a plurality of secondary battery cells electrically coupled in series;a plurality of power paths each electrically coupled in series with a corresponding secondary battery cell among the plurality of secondary battery cells;at least one switching element inserted in a given power path;a secondary battery protection apparatus configured to control the switching element such that the secondary battery cells are protected; anda device configured to control balance among cell voltages for the respective secondary battery cells, an anomaly detecting circuit configured to detect an anomaly of the secondary battery cells;', 'one or more monitoring terminals each provided in a path different from the power paths, each monitoring terminal being operable for monitoring a potential at a negative electrode of a given secondary battery cell among the plurality of the secondary battery cells;', 'one or more internal lines, each internal line being between the negative electrode of the given secondary battery cell and ...

Powering and/or charging with more than one protocol

Systems and methods for modifying the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. Applications for use in charging or powering multiple devices with a wireless power charger system are also described. Applications include beam shaping, beam forming, phase array radar, beam steering, etc. and inductive charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial applications, vehicles, and other usages. Embodiments of the invention can also be applied generally to power supplies and other power sources and chargers, including systems and methods for improved ease of use and compatibility and transfer of wireless power to mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, military, industrial applications and/or vehicles.

Charging device and method of control of the same

If sensed a connector as being connected to an inlet, an ECU performs pre-charging of a capacitor. When pre-charging of the capacitor is completed, the ECU closes a relay, and controls a U-phase boost chopper circuit to boost a voltage of the capacitor. The ECU closes relays if the voltage is boosted to a second target voltage.

POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE

A power supply unit for an aerosol generation device is provided. The power supply unit includes an internal power supply configured to hold power supplied to a heater configured to heat an aerosol source, a connector connectable to an external power supply, a controller configured to control power supply from the internal power supply to the heater, and a first transistor positioned on a first power supply path between the connector and a positive electrode of the internal power supply. A current from the connector is supplied to a source of the first transistor. A current from a drain of the first transistor is supplied to the positive electrode of the internal power supply. The controller controls a voltage of a gate of the first transistor to adjust power supplied from the external power supply to the internal power supply. 1. A power supply unit for an aerosol generation device , the power supply unit comprising:an internal power supply configured to hold power supplied to a heater configured to heat an aerosol source;a connector connectable to an external power supply;a controller configured to control power supply from the internal power supply to the heater;a first transistor of a dropper type positioned on a first power supply path between the connector and a positive electrode of the internal power supply;a circuit board mounted with the controller and including ground; anda current detection circuit configured to detect at least one of a first current flowing from a negative electrode of the internal power supply at the time of charging the internal power supply and a second current flowing into the negative electrode of the internal power supply at the time of discharging from the internal power supply,wherein a current from the connector is supplied to a source of the first transistor, and a current from a drain of the first transistor is supplied to the positive electrode of the internal power supply,the controller performs feedback control on a ...

CHARGING SYSTEM AND CHARGER FOR REDUCING INRUSH CURRENT

A charging system includes a battery pack including at least one battery cell and a battery management module, and a charger including a connector configured to detect a connection with the battery pack, a communicator configured to communicate with the battery management module, and a controller configured to control charging of the battery pack. The controller of the charger is configured to output a wake-up voltage when the connection with the battery pack is detected through the connector, receive a value of a battery voltage from the battery management module through the communicator, determine a charging start voltage based on the value of the battery voltage, and start charging the battery pack after outputting the charging start voltage. 1. A charging system , comprising:a battery pack including at least one battery cell and a battery management module; anda charger including a connector configured to detect a connection with the battery pack, a communicator configured to communicate with the battery management module, and a controller configured to control charging of the battery pack,wherein the controller of the charger is configured to:output a wake-up voltage when the connection with the battery pack is detected through the connector;receive a value of a battery voltage from the battery management module through the communicator;determine a charging start voltage based on the value of the battery voltage; andstart charging the battery pack after outputting the charging start voltage.2. The charging system as claimed in claim 1 , wherein the controller of the charger is configured to output a charging current having a preset magnitude to the at least one battery cell when the battery pack starts being charged claim 1 , and output a charging voltage having a preset magnitude to the battery pack.3. The charging system as claimed in claim 1 , wherein the controller of the charger is configured to determine the charging start voltage to be greater than the ...

Method and apparatus for battery charging

An electronic device comprising: an interface arranged to connect to an external power supply device and supply power to a battery; a sensor unit arranged to measure a temperature of the electronic device; and a power management unit configured to charge the battery based on the temperature.

Overcurrent detection device, energy storage apparatus, and current detection method

An overcurrent detection device including: a current detection resistor that is connected in series to a main circuit and is configured to cause a potential difference at both ends according to a current flowing through the main circuit; a current detection circuit that includes a pair of connection portions and is configured to detect a potential difference between the pair of connection portions; a pair of voltage detection lines connecting the both ends of the current detection resistor to the pair of connection portions in the current detection circuit; and an erroneous detection prevention unit configured to prevent an increase in the potential difference between the pair of connection portions when at least any one of the pair of voltage detection lines has a connection failure.

Battery protection circuit, battery protection board, battery, and terminal device

This application provides a battery protection circuit, a battery protection board, a battery, and a terminal device. The battery protection circuit includes: a first detection unit; a second detection unit; and a current detection element, a first switch unit, and a second switch unit that are configured to connect to an electrochemical cell in series, to form a charging loop or a discharging loop. The first detection unit corresponds to the first switch unit, and the second detection unit corresponds to the second switch unit. Each detection unit controls, based on a detected voltage at two ends of the same current detection element, a corresponding switch unit to be closed or opened, so as to control the loop to be closed or opened. The first detection unit and the second detection unit detect the voltage at the two ends of the same current detection element to detect a current passing through the electrochemical cell, so that a quantity of current detection elements in the battery protection circuit can be effectively reduced, to reduce impedance of the battery protection circuit.

Battery pack

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.

Device charging system, charging method, and power adapter

The present disclosure provides a charging system and method and a power adapter. The system includes: a battery; a first rectification unit, configured to output a voltage with a first pulsating waveform; a switch unit, configured to modulate the voltage with the first pulsating waveform; a transformer, configured to output a voltage with a second pulsating waveform according to the modulated voltage; a second rectification unit, configured to rectify the voltage with the second pulsating waveform to output a voltage with a third pulsating waveform; and a control unit, configured to output the control signal to the switch unit to decrease a length of a valley of the voltage with the third pulsating waveform such that a peak value of a voltage of the battery is sampled.

BATTERY PROTECTION APPARATUS AND BATTERY SYSTEM INCLUDING THE SAME

A battery protection apparatus including: a fuse element on a current path between a battery module and an external load to block the current path; and an ignition switch configured to receive an operating voltage from the battery module or a capacitor charged by the battery module, to ignite the fuse element. 1. A battery protection apparatus comprising:a fuse element on a current path between a battery module and an external load to block the current path; andan ignition switch configured to receive an operating voltage from the battery module or a capacitor charged by the battery module, to ignite the fuse element.2. The battery protection apparatus of claim 1 , whereinthe ignition switch is configured to generate a signal for igniting the fuse element according to a control signal applied from a plurality of different external units.3. The battery protection apparatus of claim 2 , whereinthe battery protection apparatus is connected to a battery management system (BMS) and an electronic control unit (ECU) of a vehicle, andthe ignition switch is configured to receive a control signal from the BMS or the ECU.4. The battery protection apparatus of claim 3 , further comprising:a first switch configured to receive an operating voltage from the battery module and to apply a diagnostic current to the fuse element; andan abnormality detector configured to measure a voltage applied to the fuse element in response to the diagnostic current flowing through the fuse element,wherein the BMS is configured to determine a failure of the fuse element based on the voltage applied to the fuse element.5. The battery protection apparatus of claim 4 , further comprisinga second switch connected between the fuse element and a ground,wherein the abnormality detector is configured to measure a voltage of a signal that ignites the fuse element in response to the fuse element not being connected to the ground, andthe BMS is configured to determine a failure of the ignition switch based on ...

Battery boost apparatus

A device for jump starting a vehicle with a depleted vehicle battery includes a power supply, a detecting unit, a microcontroller unit (MCU), and two output ports. At least one of the at least one of the two output ports may include a clamp. The detecting unit may be configured to detect a signal indicative of an open/closed state of the clamp. The microcontroller unit (MCU) may be configured to cut off an electrical connection of the clamp with a power supply of a booster basing on the detected signal indicative of the closed state of the clamp.

Method for controlling a dc-dc converter in a motor vehicle electrical system

Disclosed is a method for controlling a DC current converter present in an on-board network of a motor vehicle including a service battery, the on-board network being connected, via the converter, to a traction battery that supplies power to a traction network with inverter and electric machine. When a transmission of power transients from the on-board network to the traction network leading to instabilities in the traction network is detected, an auxiliary mode of control of the converter is implemented with a limit on the current output from the converter depending on a state of charge of the service battery, the current limit increasing as the charge of the service battery decreases.

Charging control method, device, and power adapter

The present disclosure provides a charging control method, a charging control device, and a power adapter. The charging control method can be performed in a power adapter configured to charge an electronic equipment through a charging cable, and includes: determining temperature of a charging interface, and controlling charging for the electronic equipment according to the temperature of the charging interface, wherein the charging interface includes at least one of the following interfaces: an interface of the power adapter used for electrical connection with the charging cable, an interface of the charging cable used for electrical connection with the power adapter, an interface of the charging cable used for electrical connection with the electronic equipment; and an interface of the electronic equipment used for electrical connection with the charging cable.

Mobile cart with capacitive power supply

A mobile system includes a mobile cart and an electronic device supported by the mobile cart. The mobile cart includes integral power storage structures that store electrical energy. The mobile cart also includes power supply electronics configured to supply the electrical energy to the electronic device to power the electronic device.

BATTERY CONTROL DEVICE AND SHORT-CIRCUIT DETECTION METHOD THEREOF

A battery control device includes: a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit including: a first switch connected between a positive terminal for the first battery module and the external load; a second switch connected between a negative terminal for the first battery module and the external load; and a first controller configured to control an open/closed state of the first and second switches. The first controller may be configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed. 1. A battery control device , comprising: a first switch connected between a positive terminal for the first battery module and the external load;', 'a second switch connected between a negative terminal for the first battery module and the external load; and', 'a first controller configured to control an open/closed state of the first and second switches,, 'a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit includingwherein the first controller is configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed.2. The battery control device as claimed in claim 1 , further comprising a connecting device connected to the first battery control unit claim 1 , the connecting device including:a first main switch configured to electrically connect the first switch and a first terminal of the external load, anda second main switch configured to electrically connect the second switch and a second terminal of the external load.3. The battery control ...

Load Control Device

Disconnection of a circulation path through which a circulation current flows is detected while suppressing an increase in circuit scale. A battery monitoring device includes switching circuits that control currents flowing through coils of main contactors by being controlled to be turned on and off, freewheeling diodes that are connected to the coils of the main contactors to form circulation paths for circulating the currents, and a control unit. The control unit measures output voltages of the freewheeling diodes at an input terminal, and detects the disconnection of the circulation paths based on the output voltages of the freewheeling diodes.

BUS BAR AND BATTERY PACK INCLUDING THE SAME

A bus bar includes terminal portions disposed at both ends, respectively; a plurality of bridges disposed between the terminal portions to electrically connect the terminal portions, and to be sequentially fused when an overcurrent flows. The plurality of bridges may be configured to have different resistance values, respectively.

SECONDARY BATTERY PROTECTION CIRCUIT, SECONDARY BATTERY PROTECTION APPARATUS AND BATTERY PACK

A secondary battery protection circuit for protecting a secondary battery, including: a low-voltage detecting circuit configured to detect a voltage across the secondary battery that is lower than a second voltage for low voltage detection, the second voltage being set to be lower than a first voltage for overdischarge detection; and a switching circuit configured to cause a gate of a charge control NMOS transistor to be fixed at a potential at a high side power supply terminal, upon detecting, by the low-voltage detecting circuit, that the voltage across the secondary battery is lower than the second voltage for low voltage detection.

Contactless power transfer system, contactless power transfer device, contactless power transfer program and contactless power transfer method

A parent device power transmission unit determines a power to be supplied to a plurality of coils such that the power is proportional to an eigenvector of a real part of an impedance matrix which is based on a mutual inductance of the plurality of coils.

Battery pack and method of protecting battery pack

A battery pack in one aspect of the present disclosure includes a battery and a controller provided with a counter value. During discharge of the battery pack, the controller calculates an addition value in accordance with a total number of use of the battery pack under a specified condition. The controller updates the counter value by adding the addition value. The controller prohibits the discharge of the battery pack in response to the counter value reaching a protection threshold.

Battery protection package and process of making the same

The present invention discloses small-size battery protection packages and provides a process of fabricating small-size battery protection packages. A battery protection package includes a first common-drain metal oxide semiconductor field effect transistor (MOSFET), a second common-drain MOSFET, a power control integrated circuit (IC), a plurality of solder balls, a plurality of conductive bumps, and a packaging layer. The power control IC is vertically stacked on top of the first and second common-drain MOSFETs. At least a majority portion of the power control IC and at least majority portions of the plurality of solder balls are embedded into the packaging layer. The process of fabricating battery protection packages includes steps of fabricating power control ICs; fabricating common-drain MOSFET wafer; integrating the power control ICs with the common-drain MOSFET wafer and connecting pinouts; forming a packaging layer; applying grinding processes; forming a metal layer; and singulating battery protection packages.

Power device

A power device possesses a built-in fuse function and can continue to normally operate after a short circuit failure. The power device includes a plurality of output cells, a plurality of bonding wires provided corresponding to the output cells, and a control terminal driving circuit. Each of the output cells includes an output transistor. First side electrodes of the output transistors are commonly coupled to a first power source. Each of second side electrodes of the output transistors is coupled to an output terminal through the corresponding bonding wire. The control terminal driving circuit supplies a drive signal to the control terminals of the individual output transistors to control the output transistors. Each of the bonding wires is designed to be fused and cut if the output transistor included in the corresponding output cell fails and is shorted.

SMART CHARGING DEVICE WITH UV LAMP STERILIZATION AND ITS CONTROL METHOD

A smart charging device having a charging module and a UV lamp set mounted in the main body thereof is disclosed. The charging module includes power supply circuit, a power input unit connected to the power supply circuit for power, and a charging area connected to the power supply circuit for charging mobile devices. The UV lamp set includes a drive control circuit connected to the power supply circuit, a start unit and at least one UV lamp connected to the drive control circuit through the start unit. In addition to the charging function, the smart charging device also provides an ultraviolet sterilization function. 1. A smart charging device with UV lamp sterilization , comprising:a main body comprising a housing, said housing comprising a housing space for the placement of at least one mobile device and a door covered installed on a front opening of said housing space;a charging module comprising a power supply circuit, a power input unit electrically connected to said power supply circuit to input electricity provided by an external power supply and at least one charging area electrically connected to said power supply circuit for charging mobile devices; anda UV lamp set comprising a drive control circuit electrically connected to said power supply circuit, a start unit and at least one UV lamp electrically connected to a microcontroller of said drive control circuit through said start unit, said start unit comprising an electronic ballast, a safety start switch and at least one door sensor switch electrically connected to said at least one said UV lamp;wherein when said microcontroller detects that said safety start switch has been activated by a user, said at least one UV lamp enters the pre-start state, and when said at least one door sensor switch detects that said door cover is closed, said electronic ballast is controlled to start said at least one UV lamp to sterilize the mobile devices being placed in said housing space.2. The smart charging device ...

Method for monitoring the state of a battery in a motor vehicle

The disclosure relates to a method for monitoring the state of a battery. In the process, the internal temperature of the battery during a charging process is determined in defined intervals at different time points, and an evaluation unit continuously determines a temperature gradient at least from the temperature values. At least one limit value for the temperature gradient is stored in the evaluation unit, and the evaluation unit generates a signal when the temperature gradient which is determined by the evaluation unit reaches this limit value. When this signal from the evaluation unit is present, the charging voltage of the battery is driven such that there is no battery current, while the internal temperature of the battery is further periodically detected, and the evaluation unit generates an alarm signal when the temperature has fallen after suppression of the battery current.

HIGH-FREQUENCY ELECTROMAGNETIC INDUCTION CONTROL CIRCUIT

A high-frequency electromagnetic induction control circuit includes a charging control circuit, a battery control and protection circuit, a battery, a main control MCU, a display control circuit, a keyboard control circuit, a drive circuit, a high-frequency heating circuit, and an induction heating circuit. The charging control circuit supplies a charging voltage and a charging current for the battery. The battery control and protection circuit is configured to detect whether the charging voltage and the charging current are qualified. The battery supplies power for the main control MCU. The main control MCU is configured to detect an input voltage of the battery, and the display control circuit sends out a signal whether the battery is in an under-voltage state. The keyboard control circuit is configured to control the main control MCU to operate. The output voltage of the main control MCU is boosted by the drive circuit. 1. A high-frequency electromagnetic induction control circuit , comprising:a charging control circuit;a battery control and protection circuit;a battery;a main control MCU;a display control circuit;a keyboard control circuit;a drive circuit;a high-frequency heating circuit; andan induction heating circuit; whereinthe charging control circuit supplies a charging voltage and a charging current for the battery;the battery control and protection circuit is configured to detect whether the charging voltage and the charging current are qualified;the battery supplies power for the main control MCU;the main control MCU is configured to detect an input voltage of the battery, and the display control circuit sends out a signal whether the battery is in an under-voltage state;the keyboard control circuit is configured to control the main control MCU to operate;an output voltage of the main control MCU is boosted by the drive circuit;a boosted voltage is oscillated in the high-frequency heating circuit to produce an electromagnetic wave thus generating a high ...

Electronic device, charger within the electronic device, and detecting method for detecting abnormal status of connector of electronic device

An electronic device includes: a connector, arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device; and a charger, coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector. The charger includes a detector to detect the current or voltage of at least one pin of the connector to generate a detecting result, and the supply voltage is set based on the detecting result.

System and method for providing bidirectional transient voltage support and power

An apparatus for storing energy includes a plurality of energy storage cells, a switching circuit configured to control a transient voltage support to a battery provided by the plurality of energy storage cells, a charging circuit configured to charge the plurality of energy storage cells, and a processing system. The processing system is configured to control the charging circuit to charge the plurality of energy storage cells, and control the switching circuit to control the transient voltage support of the plurality of energy storage cells to the battery. The switching circuit and the charging circuit provide parallel paths between the plurality of energy storage cells and the battery terminal.

Protective case for a mobile terminal

The present disclosure provides a protective case for a mobile terminal, the protective case including: a mobile terminal case which has a box shape, and surrounds and protects a mobile terminal; an auxiliary battery case which is positioned outside a rear surface of the mobile terminal case, and defines a space for accommodating an auxiliary battery; a mobile terminal side contact terminal which is disposed on an inner surface of the mobile terminal case, and is in electrical contact with an external terminal of the mobile terminal; and an auxiliary battery side contact terminal which is disposed on an inner surface of the auxiliary battery case, and is in electrical contact with an external terminal of the auxiliary battery, in which electric power of the auxiliary battery is provided to the mobile terminal through a connecting cable that electrically connects the mobile terminal side contact terminal and the auxiliary battery side contact terminal.

RIDING-TYPE MOWER AND CURRENT-LIMITING PROTECTION METHOD THEREOF

A riding-type mower includes a power supply device and the power supply device includes a plurality of battery packs and a power management module. The plurality of battery packs are detachably mounted to the riding-type mower and further configured to supply electric energy to a hand-held electric power tool. The plurality of battery packs each are provide with at least one battery cell group, and each battery cell group includes a plurality of battery cells electrically connected to each other. The power management module is configured to determine whether the plurality of battery packs satisfy a discharge condition and control a battery pack satisfying the discharge condition to discharge when the battery pack satisfies the discharge condition. 1. A riding-type mower , comprising:a body frame;a seat disposed on the body frame;a mowing unit, comprising a mowing element and a first motor configured to drive the mowing element;a walking unit, comprising a road wheel and a second motor configured to drive the road wheel; anda power supply device mounted on the body frame, wherein the power supply device comprises:a plurality of battery packs configured to supply power to the riding-type mower, wherein at least one of the plurality of battery packs is detachably mounted to the riding-type mower and further configured to supply power to a hand-held electric power tool, the plurality of battery packs each are provided with at least one battery cell group, and each battery cell group comprises a plurality of battery cells electrically connected to each other; anda power management module configured to determine whether the plurality of battery packs satisfy a discharge condition and control a battery pack satisfying the discharge condition to discharge when the battery pack satisfies the discharge condition;wherein the discharge condition comprises that a sum of numbers of respective battery cell groups of all the plurality of battery packs connected in parallel is ...

Wireless Power System

A method of over-current protection in a wireless power receiver operating in a high-power mode includes digitally receiving an output current signal, generating an OC INT signal if the output current signal is greater than a current limit value, and if the OC INT signal is generated, transmitting Count A number of End Power Transfer (EPT) packets. If wireless power transmission has not stopped, transmitting Count C number of Control Error Packets (CEPs) with Value B. If wireless power transmission has not reduced such that the output current IL is below the current limit value, then enabling an LDO current limit circuit in a power block of the wireless power receiver. In a low-power mode, the receiver enables a hardware over-current circuit that generates an OC INT signal when the output current exceeds a current limit.

Storage battery device and storage battery system

According to one embodiment, a storage battery device includes a battery unit, a charging unit, a terminal, and a first circuit breaking unit. The battery unit includes a lithium ion battery and is connectable in parallel to other storage battery device that charges an external lithium ion battery. The charging unit is supplied with electric power from an external electric power source and charges the battery unit. The terminal is connectable to a wire connecting the other storage battery device with the battery unit. The first circuit breaking unit is connected between the battery unit and the terminal, and blocks an electric current flowing from the terminal to the battery unit.

EXPANSION MODULE FOR A DC CHARGING POINT AND CORRESPONDINGLY EXTENDED DC CHARGING POINT

An expansion module () for a charging point has a DC measuring device () configured, when installed in the charging point, to carry out a current and voltage measurement on the DC charging lines of the charging point. An evaluation unit () is coupled to the DC measuring device () and calculates an amount of energy drawn based on the current and voltage measurement carried out by the DC measuring device (). A display unit () is coupled to the evaluation unit () or is integrated therein. The evaluation unit () further has a switch-off interface () to provide a switch-off signal at the switch-off interface () if, on the basis of the current and/or voltage measurement carried out by the DC measuring device (), it is determined that an overcurrent or short circuit is present. A charging point equipped with the expansion module () also is provided. 11. An expansion module () for a charging point , comprising:{'b': '3', 'a DC measuring device () configured, in a state installed in the charging point, to carry out a current and voltage measurement on the DC charging lines of the charging point;'}{'b': 2', '3', '3, 'an evaluation unit () coupled to the DC measuring device () and configured to calculate a resultant amount of energy drawn based on the current and voltage measurement carried out by the DC measuring device ();'}{'b': 4', '2, 'a display unit () coupled to or integrated in the evaluation unit ();'}{'b': 2', '5', '5', '3, 'wherein the evaluation unit () further has a switch-off interface () and is configured to provide a switch-off signal at the switch-off interface () if, on the basis of the current and/or voltage measurement carried out by the DC measuring device (), it is determined that an overcurrent or short circuit is present.'}21361626361623. The expansion module () of claim 1 , wherein the DC measuring device () has at least three measurement taps ( claim 1 , claim 1 , ) and two of the measurement taps ( claim 1 , ) correspond to two ends of a first metal ...

ENERGY STORAGE SYSTEM FOR A VEHICLE

An energy storage system for a vehicle, includes one or more battery units for storing electrical energy; at least one high voltage switch for connection and disconnection of the one or more battery units to at least one load, such as an electrical machine; a fuse for disconnection of the one or more battery units when the energy storage system experiences an overcurrent being above a predetermined overcurrent value. The energy storage system is configured to during use, identify if a condition has occurred which requires immediate shutdown of the energy storage system. 1. An energy storage system for a vehicle , comprising:one or more battery units for storing electrical energy;at least one high voltage switch for connection and disconnection of the one or more battery units to at least one load, such as an electrical machine;a fuse for disconnection of the one or more battery units when the energy storage system experiences an overcurrent being above a predetermined overcurrent value;wherein the energy storage system is configured to:during use, identify if a condition has occurred which requires immediate shutdown of the energy storage system; and if it is identified that immediate shutdown is required, the energy storage system is further configured to:measure a value indicative of current in the energy storage system;if the measured value indicative of current is equal to or below a level at which it is safe to open the at least one high voltage switch, the energy storage system is configured to immediately shut down the energy storage system by opening the at least one high voltage switch, andif the measured value indicative of current is above the level at which it is safe to open the at least one high voltage switch but lower than the predetermined overcurrent value, the energy storage system is configured to immediately shut down the energy storage system by actively triggering the fuse.2. The energy storage system according to claim 1 , wherein at least ...

Current control for multi-port charging circuit

In a described example, a circuit includes a port power path circuit having a power input and a first overload output. An interlock logic circuit has an interlock input, a current limit input and a current limit set output. The current limit input is coupled to the first overload output, and the interlock input is adapted to be coupled to a second overload output of a second port power circuit. The interlock logic circuit is configured to delay providing an output signal to the current limit set output responsive to an overload signal at the current limit input.

BATTERY CHARGING METHOD AND APPARATUS

A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied. 1. A battery charging method comprising:charging a battery in a first charging step, wherein charging current in the first charging step is constant charging current;in response to a condition being satisfied, changing from the first charging step to a second charging step, wherein the condition comprises a first condition in which a battery overpotential of the battery is greater than or equal to a threshold voltage; andcharging the battery in the second charging step, wherein charging current in the second charging step is constant charging current,wherein the battery is continually charged during the changing of the first charging step to the second charging step.2. The battery charging method of claim 1 , wherein an intensity of a charging current in the second charging step is less than an intensity of a charging current in the first charging step.3. The battery charging method of claim 1 , further comprising selecting the first charging step from a plurality of first charging steps based on a measured voltage of the battery.4. The battery charging method of claim 1 , further comprising:measuring a voltage of the battery before the charging of the battery in the first charging step; andselecting the first charging step from a plurality of charging steps in response to the measured voltage being greater than a voltage corresponding to the first charging step, and the measured voltage being less than a voltage corresponding to the second charging step.5. The ...

Adaptive charging station for an electric vehicle

Systems and methods for adaptive charging of electric vehicles are disclosed. Systems can include a charging station configured to draw current from an electrical supply circuit, a current detector in communication with the charging station and configured to measure a current through the electrical supply circuit, and processing circuitry configured to determine a charging current available to an electric vehicle based at least in part on the current measured by the current detector. The charging current available may be adjusted during a continuous charging session based at least in part on the monitored current.

DEVICE FOR CONTROLLING WIRELESS CHARGING OUTPUT POWER BASED ON PWM INTEGRATING CIRCUIT

A device for controlling wireless charging output power based on a PWM integrating circuit includes a magnetic-resonance transmitting module and a magnetic-resonance receiving module. The magnetic-resonance transmitting module includes a wireless charging base, a Bluetooth master circuit, a DC/DC regulator circuit, a PWM integrating circuit, a radio-frequency power amplifier source, a radio-frequency current sampling circuit and a magnetic-resonance transmitting antenna. Both the radio-frequency power amplifier source and the magnetic-resonance transmitting antenna are mounted at the wireless charging base. The magnetic-resonance transmitting antenna is connected to the magnetic-resonance receiving module. The magnetic-resonance receiving module includes a cooling fin, a magnetic-resonance receiving antenna, a Bluetooth slave circuit, a receiving rectifier and regulator circuit and a charging control circuit. The magnetic-resonance receiving antenna, the receiving rectifier and regulator circuit and the charging control circuit are connected successively. The magnetic-resonance receiving antenna is arranged directly above the magnetic-resonance transmitting antenna. 1. A device for controlling wireless charging output power based on a PWM integrating circuit , comprising a magnetic-resonance transmitting module and a magnetic-resonance receiving module connected to the magnetic-resonance transmitting module; wherein ,the magnetic-resonance transmitting module comprises a wireless charging base, a Bluetooth master circuit, a DC/DC regulator circuit, a PWM integrating circuit, a radio-frequency power amplifier source, a radio-frequency current sampling circuit and a magnetic-resonance transmitting antenna; wherein,the DC/DC regulator circuit, the PWM integrating circuit, the radio-frequency power amplifier source, the radio-frequency current sampling circuit and the magnetic-resonance transmitting antenna are connected to the Bluetooth master circuit, respectively; ...

Charge/discharge control circuit and battery device

The level shifter circuit includes: a first transistor including a gate connected to an input terminal of the level shifter circuit and a source connected to a first power supply terminal; a first resistor including one terminal connected to the input terminal of the level shifter circuit; a second transistor including a gate connected to another terminal of the first resistor, a drain connected to a drain of the first transistor, and a source connected to a terminal for inputting the voltage subjected to the level conversion; and a third transistor including a gate and a drain connected to the another terminal of the first resistor, and a source connected to the terminal for inputting the voltage subjected to the level conversion. Further, the battery device includes the charge/discharge control circuit.

Protective monitoring circuit and battery pack

A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.

A DATA LINE USED IN A MOBILE PHONE

A data line used in a mobile phone is disclosed. The data line used in a mobile phone includes a body, a first connection terminal, a second connection terminal, and connection lines connecting said first and second connection terminals are disposed inside said body; wherein said connection lines include two core data communication lines and two core voltage lines; said data line further includes a display screen disposed outside said body, and a DSP chip, a voltage detecting circuit, and/or a current detecting circuit disposed inside said body. Performing the data line used in a mobile phone of the present invention can monitor the voltage and/or current flowing through the data line in real time, and detect hidden dangers in time and eliminate the probability of damage during charging of the mobile phone. 1. A data line used in a mobile phone comprising:a body, a first connection terminal for connecting an external device, a second connection terminal for connecting a mobile phone, and connection lines connecting said first connection terminal and said second connection terminal are disposed inside said body; wherein said connection lines include two core data communication lines for data sending or receiving and two core voltage lines for voltage transferring;said data line further includes a display screen disposed outside said body, and a DSP chip, a voltage detecting circuit, and/or a current detecting circuit disposed inside said body;a first end of said DSP chip is connected to a first end of said voltage detecting circuit, a second end of said DSP chip is connected to a first end of said current detecting circuit, and a third end of said DSP chip is connected to said display screen;a second end of said voltage detecting circuit is connected to one core of said two core voltage lines, and a third end of said voltage detecting circuit is grounded;a second end and a third end of said current detecting circuit are connected in series to the other core of said ...

Systems and methods for disconnecting a dc load from a dc power source

A disconnect system to be connected between a DC power source formed by the battery system of a vehicle and a load of the vehicle comprises at least one relay switch and at least one thermostat switch. The at least one relay switch is electrically connected between the DC power source and the load to form a power circuit. The at least one thermostat switch is secured to a sensed portion of the load. The at least one thermostat switch is connected to the at least one relay switch to form a control circuit. The at least one relay switch is closed when current flows through the control circuit. When a temperature of the at least one thermostat switch reaches a predetermined temperature level, the at least one thermostat switch prevents current from flowing through the control circuit.

POWER DISTRIBUTION SYSTEM AND POWER DISTRIBUTION METHOD

A power distribution system is installed in an aircraft, and comprises: a first DC power supply unit including a generator ; a second DC power source unit including a battery , a step-up/down converter , a voltage sensor , and control unit ; and a diode . When the voltage sensor does not detect regenerative power, the control unit executes a running power processing mode in which generated power generated by the first DC power supply unit is supplied to an electric actuator while charging and discharging the battery using the step-up/down converter so as to keep a charge rate A of the battery within a predetermined range. When the voltage sensor detects regenerative power, the control unit executes a regenerative power processing mode in which the battery is charged with the regenerative power using the step-up/down converter 1. A power distribution system that is mounted on an aircraft and distributes electric power to an electric actuator of the aircraft , the power distribution system comprising:a first DC power supply unit that has a generator and is connected to a DC bus;a second DC power supply unit that has a power line connected to the DC bus and the electric actuator, a power storage device connected to the power line, a charge/discharge control circuit controlling charging and discharging of the power storage device, a detection sensor detecting the presence or absence of regenerative power supplied from the electric actuator to the power line, and a control unit controlling the charge/discharge control circuit; anda diode that cuts off a current flowing from the second DC power supply unit to the DC bus, whereinwhen the detection sensor does not detect the regenerative power, the control unit executes a running electric power processing mode in which generated electric power that is generated by the first DC power supply unit is supplied to the electric actuator via the DC bus and the power line while charging and discharging the power storage device such ...

ENERGY TRANSFER CIRCUIT, AND ELECTRICITY STORAGE SYSTEM

Cell selection circuit is provided between n cells connected in series, where n is an integer of 2 or more, and inductor, and is provided at both ends of the selected cell and both ends of inductor can be conductive. Clamp circuit includes at least one clamp switch for forming a closed loop including inductor in a state where cell selection circuit does not select any cells. Current detection circuit detects the value of the current flowing through inductor. Low-pass filter band-limits the detection value. Overcurrent detection circuit activates the protection of inductor when the band-limited detection value exceeds the threshold. 1. An energy transfer circuit comprising:an inductor;a cell selection circuit provided between the inductor and n cells connected in series, where n is an integer of 2 or more, the cell selection circuit being configured to conduct between (i) both ends of a selected cell and (ii) both ends of the inductor, the selected cell being a least one cell selected from the n cells connected in series;a clamp circuit including at least one clamp switch, the at least one clamp switch forming a closed loop including the inductor in a state where the cell selection circuit does not select any cells;a current detection circuit configured to detect a value of a current flowing through the inductor;a low-pass filter configured to band-limit a detection value detected by the current detection circuit; andan overcurrent detection circuit configured to activate protection of the inductor when the detection value band-limited by the low-pass filter exceeds a threshold.2. The energy transfer circuit according to claim 1 , further comprising a controller configured to control the cell selection circuit and the clamp circuit claim 1 , wherein an inductor current increase state in which a discharge path in which the both ends of the inductor are connected to nodes on both sides of a discharge cell is formed to flow a current from the discharge cell to the ...

ELECTRIC VEHICLE CHARGING MONITORING DEVICE AND METHOD

It is an object to provide an electric vehicle charging monitoring device and an electric vehicle charging monitoring method. According to an embodiment, a device comprises: a current measurement device configured to measure an electrical current flowing from an electrical input to an electrical output and a computing device electrically coupled to the current measurement device, configured to: monitor a number of charging sessions based on the electrical current flow from the electrical input to the electrical output; compare the number of charging sessions to a first preconfigured value; and detect abnormal current flow based on the charging session comparison. A device, a method, and a computer program product are provided. 1. A device for monitoring electric vehicle charging , comprising:an electrical input;an electrical output;a current measurement device, configured to measure an electrical current flowing from the electrical input to the electrical output; and monitor a number of charging sessions based on the electrical current flow from the electrical input to the electrical output;', 'compare the number of charging sessions to a first preconfigured value, wherein the first preconfigured value comprises a maximum number of charging sessions per a time interval; and', 'detect abnormal current flow based on the charging session comparison., 'a computing device electrically coupled to the current measurement device, configured to2. The device according to claim 1 , wherein the computing device is further configured to:monitor an amplitude of the electrical current flow from the electrical input to the electrical output;compare the amplitude to a second preconfigured value; anddetect abnormal current flow based on the amplitude comparison.3. The device according to claim 1 , further comprising a switch electrically arranged between the electrical input and the electrical output claim 1 , wherein the computing device is electrically coupled to the switch claim 1 ...

CHARGING AND DISCHARGING CIRCUIT

A charging and discharging circuit is provided, which includes a charging and discharging control circuit, a first connection port, a first switch circuit, a second switch circuit, a second connection port, a third switch circuit, a fourth switch circuit, and an identification logic circuit. The identification logic circuit determines a mode of the first connection port according to a first channel configuration signal of the first connection port, the charging and discharging control circuit switches the first switch circuit and the second switch circuit according to the mode of the first connection port, and the charging and discharging control circuit determines a mode of the second connection port according to a second channel configuration signal of the second connection port, so as to switch the third switch circuit and the fourth switch circuit. 1. A charging and discharging circuit , which is connected to a battery module and a system-side circuit , the charging and discharging circuit comprising:a charging and discharging control circuit having a first input terminal, a second input terminal, an identification terminal, a battery terminal and an output terminal, wherein the battery terminal is connected to the battery module, and the output terminal is connected to the system-side circuit;a first connection port;a first switch circuit connected between the first connection port and the first input terminal to form a first charging path;a second switch circuit connected between the first connection port and the output terminal to form a first discharging path;a second connection port;a third switch circuit connected between the second connection port and the second input terminal to form a second charging path;a fourth switch circuit connected between the second connection port and the output terminal to form a second discharging path; andan identification logic circuit connected to the first connection port and configured to determine whether a mode of the ...

POWER SUPPLY CIRCUIT

A power supply circuit includes a load cable connecting a first battery and a first load; a load cable connecting a second battery and a second load; a transistor provided between a first generator and the load cable; and a transistor provided between the first generator and the load cable, wherein the transistors are turned OFF in a case where power is to be supplied from the first generator to the first load and second load. 1. A power supply circuit comprising:a first conduction path that electrically connects a first power storage section and a first load;a second conduction path that electrically connects a second power storage section and a second load;a power generator that supplies power to the first load and the second load, through the first conduction path and the second conduction path;a first element that is provided in series between the power generator and the first conduction path, allows flow of current from the power generator side to the first conduction path side, and regulates flow of current from the first conduction path side to the power generator side;a second element that is provided in series between the power generator and the second conduction path, allows flow of current from the power generator side to the second conduction path side, and regulates flow of current from the second conduction path side to the power generator side;a first switch that is provided in parallel with the first element and switches between ON, which electrically connects the power generator and the first conduction path, and OFF, which electrically disconnects the power generator from the first conduction path; anda second element that is provided in parallel with the second element and switches between ON, which electrically connects the power generator and the second conduction path, and OFF, which electrically disconnects the power generator from the second conduction path, wherein:in a case where power is to be supplied from the power generator to the first ...