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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 37. Отображено 37.
30-04-2014 дата публикации

Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle

Номер: CN103762766A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a permanent-magnet hybrid magnetic circuit drive motor of an electric vehicle, and belongs to the technical field of vehicle motor electric appliances. The permanent-magnet hybrid magnetic circuit drive motor of the electric vehicle is composed of a front end cover, a rear end cover, a motor case, a rotor and a stator. Tile permanent magnet steel is fixed to a rotor iron core through a screw via a pole shoe, and rectangular permanent magnet steel is embedded into the rotor iron core, so that a rotor magnetic bypass structure is achieved, the permanent magnet steel is effectively prevented from generating irreversible demagnetization under over-high temperature or under the armature reaction action of impact currents, and the permanent magnet steel does not lose magnetism. A rotor magnetic field of the drive motor is provided by a radial magnetic field and a tangential magnetic field together, the intensity of the magnetic field is large, the output power is high, ...

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Номер записи: 1
04-06-2014 дата публикации

Multifunctional automobile

Номер: CN103832405A
Автор: DU QINJUN
Принадлежит:

The invention discloses a multifunctional automobile. The multifunctional automobile comprises an automobile body and an automobile door lock unlocking device, wherein the automobile door lock unlocking device is arranged in the automobile body. The multifunctional automobile comprises an identity recognition device, and the identity recognition device is connected with the automobile door lock unlocking device through a control device. According to the multifunctional automobile, through the utilization of the identity recognition device, the anti-theft effect is performed effectively, and alarm can be given out to carry out alerting.

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Номер записи: 2
25-06-2014 дата публикации

Electromagnet and permanent magnet composite excitation electric vehicle driving motor

Номер: CN103887910A
Автор: ZHANG XUEYI, HAN JIAPENG, DU QINJUN, YIN HONGBIN, XU JINBIN
Принадлежит:

The invention provides an electromagnet and permanent magnet composite excitation electric vehicle driving motor and belongs to the technical field of vehicle motor electrical appliances. The electromagnet and permanent magnet composite excitation electric vehicle driving motor consists of a shaft, a front end cover, a rear end cover, a hub type housing, a rotor, a stator and a stator support. A short rotor iron core and a long rotor iron core are separated, permanent magnet steel is fixed on the short rotor iron core, the inner side of the permanent magnet steel is provided with N poles, an exciting winding coil winds the long rotor iron core, the inner side of the long rotor iron core produces S poles after direct current is conducted into, the rotor with the N poles and the S poles which are arranged at intervals, and a magnetic field in an air gap of the driving motor is provided by the permanent magnet steel and an exciting winding jointly and is large in strength and high in power ...

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Номер записи: 3
25-02-2015 дата публикации

Opening method for reactive compensation capacitor bank

Номер: CN104377706A
Автор: DU QINJUN
Принадлежит:

The invention provides an opening method for a reactive compensation capacitor bank and belongs to the field of power quality of electrical power systems. In order to restrain rush current and overvoltage which are generated during opening of the reactive compensation capacitor bank, the opening method used when both the value of the voltage of the reactive compensation capacitor bank and the value of the voltage of a power grid are peak values or trough values. According to the opening method for the reactive compensation capacitor bank, the optimum opening phase positions of all phases of capacitor banks are designed according to the actual connection mode of the capacitor banks, and the minimum delay time required from the moment an opening signal is received to the moment the on-off action is triggered is calculated according to the intrinsic opening time of a switch and external factors. Compared with other opening methods, the opening method for the reactive compensation capacitor ...

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Номер записи: 4
26-02-2014 дата публикации

Electromagnetism and permanent magnet invisible magnetic pole generator rotor assembling method

Номер: CN103607081A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LI XU
Принадлежит:

The invention provides an electromagnetism and permanent magnet invisible magnetic pole generator rotor assembling method and belongs to the technical field of automobile motor electric appliances. A permanent magnet pole and an electro-magnetic pole on a rotor iron core are separated from each other. A generated permanent magnet field and an electro-magnetic field are combined in a series mode. The magnet fields can be adjusted. The magnet fields directly face an air gap, leakage flux is low, the material using rate is high, by adjusting the magnitude and the direction of electrifying currents of an electro-magnetic coil, the magnitude of the magnet fields in the air gap of a generator is changed, the output voltage of the generator is kept stable, and the safety and the reliability of automobile electric equipment are guaranteed.

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Номер записи: 5
26-03-2014 дата публикации

Method for producing mixed excitation power generator parallel magnetic circuit rotor

Номер: CN103683714A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a method for producing a mixed excitation power generator parallel magnetic circuit rotor, and belongs to the technical field of automobile motor electric appliances. The method includes the steps of permanent magnetic rotor production, electro-magnetic rotor production and rotor assembling. A claw pole of a permanent magnetic rotor converts an axial magnetization magnetic field into a radial magnetic field, magnetism is good, and magnetization is uniform. An electro-magnetic rotor is of a brushless claw pole structure and is low in fault rate, the magnetic field in a power generator air gap is formed through parallel connection of a permanent magnetic field and an electro-magnetic field, the magnetic field formed through superposition of the permanent magnetic field and the electro-magnetic field can be adjusted by adjusting the magnitude and direction of currents produced after an electro-magnetic coil is powered up, voltage output by a power generator keeps stable ...

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Номер записи: 6
25-06-2014 дата публикации

Invisible magnetic pole hub motor of electric vehicle

Номер: CN103887946A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, GAO SONG, ZHAO YUZHEN
Принадлежит:

The invention provides an invisible magnetic pole hub motor of an electric vehicle and belongs to the technical field of automobile motor electric appliances. The invisible magnetic pole hub motor of the electric vehicle consists of a shaft, a front end cover, a rear end cover, a hub rotor iron core, a rotor, a stator and a stator support. Multiple long salient poles and multiple short salient poles are evenly distributed on the inner side of the hub rotor iron core and are separated at intervals, permanent magnet steel is fixed on the short salient poles of the hub rotor iron core, the inner side of the permanent magnet steel is N-poles, S-poles of the permanent magnet steel are led to the long salient poles through the hub rotor iron core to form the invisible magnetic pole rotor with N-poles and S-poles which are arranged at intervals, two polarities of the permanent magnet steel are fully utilized, and the invisible magnetic pole hub motor is compact in structure and reliable in work ...

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Номер записи: 7
26-03-2014 дата публикации

Method for producing tangential permanent magnet and salient-pole electromagnetism mixed excitation generator rotor

Номер: CN103683711A
Автор: ZHANG XUEYI, GAO SONG, MA QINGZHI, DU QINJUN, YOU DI
Принадлежит:

The invention provides a method for producing a tangential permanent magnet and salient-pole electromagnetism mixed excitation generator rotor, and belongs to the technical field of automobile motors and electric appliances. The method comprises the steps of permanent magnet rotor production, electro-magnetic rotor production and rotor assembling, the magnetic field of a permanent magnet rotor is provided by two pieces of rectangular magnetic steel of a radial magnetic field at the same time, the magnetic field intensity is large, the power density of a generator is high, an electro-magnetic rotor is of a salient pole structure, a generated magnetic field directly faces an air gap, the amount of leakage flux is small, the magnetic field in the air gap of the generator is formed by combining a permanent magnetic field and an electromagnetic field, the magnetic field formed by synthesizing the permanent magnetic field and the electromagnetic field can be adjusted by adjusting the size and ...

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Номер записи: 8
12-08-2015 дата публикации

Mobile manipulator control system based on GPS and binocular vision positioning

Номер: CN104827470A
Автор: DU QINJUN
Принадлежит:

A mobile manipulator control system based on a GPS and binocular vision positioning comprises a GPS controller, binocular vision and vision information processors, a central motion controller, a distributed motion controller and a communication bus used for connecting the controllers. The GPS controller is used for obtaining position information of a mobile manipulator and a target object, the binocular vision and vision information processors are used for obtaining spatial position information of the target object, the central motion controller is used for planning motion trails of the mobile manipulator and arms of the mobile manipulator, the distributed motion controller is used for controlling the mobile manipulator and the arms of the mobile manipulator to move along the planned motion trails, and the communication bus is used for transmitting data and information between the processors. The mobile manipulator control system based on the GPS and binocular vision positioning has the ...

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Номер записи: 9
26-03-2014 дата публикации

Method for producing hybrid excitation generating set rotor for electric vehicle range extender

Номер: CN103683731A
Автор: ZHANG XUEYI, GAO SONG, MA QINGZHI, DU QINJUN, SHI LIWEI, YIN HONGBIN
Принадлежит:

The invention provides a method for producing a hybrid excitation generating set rotor for an electric vehicle range extender, and belongs to the technical field of automobile motors and electric devices. The method includes the step of producing an electro-magnetic rotor, the step of producing a permanent magnet rotor and the step of assembling the rotors. The electro-magnetic rotor is of a protruding pole structure and is low in failure rate. The magnetic field of the permanent magnet rotor is simultaneously supplied by the tangent permanent magnetic field and the radial permanent magnetic field, and the magnetic field of the permanent magnetic rotor is high in strength. A generator is high in power density. By adjusting the magnitude and the direction of the current generated when an electro-magnetic coil is powered on, the magnetic field formed by overlapping the electromagnetic field with the permanent magnetic field can be adjusted, the output voltage of the generator is kept stable ...

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Номер записи: 10
30-04-2014 дата публикации

Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile

Номер: CN103762810A
Автор: ZHANG XUEYI, GAO SONG, MA QINGZHI, DU QINJUN, SHI LIWEI, YIN HONGBIN
Принадлежит:

The invention provides a hidden magnetic pole rare-earth permanent magnet drive motor for an electric automobile, and belongs to the technical field of automobile motor electric appliances. The drive motor is composed of a front end cover, a rear end cover, an enclosure, rotors and stators. The periphery of each rotor iron core is uniformly provided with long salient poles and short salient poles, the long salient poles and the short salient poles are arranged at intervals and are of even numbers, circular arc permanent magnet steel with inner cambered surfaces of S poles is fixed to the outer circle arcs of the short salient poles, the S poles, attached to the short salient poles, of the inner cambered surfaces of the circular arc permanent magnet steel are led to outer cambered surfaces of the long salient poles through the rotor iron cores, the hidden magnetic pole rotors with N poles and the S poles are formed, the N poles and the S poles are arranged at intervals, two polarities of ...

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Номер записи: 11
26-02-2014 дата публикации

Rotor production method of tangential and biradial permanent magnet hybrid excitation generator

Номер: CN103607080A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, SHI LIWEI, LI AIJUN
Принадлежит:

The invention provides a rotor production method of a tangential and biradial permanent magnet hybrid excitation generator, and belongs to the technical field of automobile motors and appliances. The method includes the steps of permanent magnet rotor production, electro-magnetic rotor production and rotor assembling. Rectangular magnetic steel is arranged in a radial rectangular groove and a tangential rectangular groove of a rotor iron core, tile magnetic steel is fixed to the outer ring of the rotor iron core, a magnetic field is directly towards an air gap so that magnetic leakage can be little, an electro-magnetic rotor is of a brushless claw-pole structure so that the fault rate can be low, the magnetic field in the air gap of the generator is provided by permanent magnetic steel and an electro-magnetic coil together, the magnetic field superimposing the permanent magnetic field and an electromagnetic field can be adjusted by means of the adjustment of the magnitude and the direction ...

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Номер записи: 12
25-06-2014 дата публикации

Production method of built-in permanent magnet rotor of electric vehicle hub driving motor

Номер: CN103887937A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, XU JINBIN, ZHAO YUZHEN
Принадлежит:

The invention provides a production method of a built-in permanent magnet rotor of an electric vehicle hub driving motor and belongs to the technical field of automobile motor electric appliances. Two pieces of completely-identical rectangular permanent magnet steel are respectively placed in two rectangular grooves forming a shape of a regular Chinese character 'ba' of a rotor iron core to form an N-pole, the other two pieces of completely-identical rectangular permanent magnet steel are respectively placed in a regular Chinese character 'ba' shaped groove formed by the other two adjacent rectangular grooves of the rotor iron core to form an S-pole, the rest can be done in the same manner to form the permanent magnet rotor with N-poles and S-poles arranged at intervals, the structure is a rotor magnetic bypass structure and can effectively prevent the permanent magnet steel from producing irreversible demagnetization under the armature reaction effect of impact current, and excitation ...

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Номер записи: 13
26-03-2014 дата публикации

Production method of rotors of claw pole permanent magnet and electromagnet mixed excitation generator

Номер: CN103683732A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, SHI LIWEI, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a production method of rotors of a claw pole permanent magnet and electromagnet mixed excitation generator and belongs to the technical field of automotive electrical machines and electric appliances. The production method comprises permanent magnet rotor production, electro-magnetic rotor production and rotor assembly. The claw pole of a permanent magnet rotor converts an axial magnetization type magnetic field into a radial magnetic field, magnetic performance is good, and magnetization is uniform. An electro-magnetic rotor is of a salient pole structure, the magnetic field generated by the electro-magnetic rotor faces an air gap directly, leakage flux is low, and the utilizing rate of the magnetic field is high. The magnetic field in the air gap of the generator is provided by permanent magnet steel and electro-magnetic coils together, adjustment of the magnetic field formed after the permanent magnetic field and the electromagnetic field are combined is achieved ...

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Номер записи: 14
08-04-2015 дата публикации

Control method of electric car driving motor

Номер: CN104494462A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, SHI LIWEI, LIU CONGZHEN
Принадлежит:

The invention provides a control method of an electric car driving motor, and belongs to the technical field of the control of an electric car. The motor is controlled to work by a drive circuit and a drive power generation conversion circuit under the coordinative control of a main control circuit, the work state of the motor is classified into a drive state and a brake energy recycling and power generation state, the drive control and the brake energy recycling and power generation control are integrated by adopting the electric car motor control method, so that simplicity, stability, safety and reliability in control can be realized, not only can the drive efficiency of the motor be optimized, but also the recycling and power generation of the brake energy when the electric car brakes can be effectively realized, and a purpose of reducing energy consumption and improving the driving range of the electric car can be realized.

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Номер записи: 15
07-05-2014 дата публикации

Method for producing permanent magnet rotor of hybrid magnetic circuit of driving motor of electric car

Номер: CN103780028A
Автор: ZHANG XUEYI, MA QINGZHI, HAN JIAPENG, DU QINJUN, YOU DI
Принадлежит:

The invention provides a method for producing a permanent magnet rotor of a hybrid magnetic circuit of a driving motor of an electric car, and belongs to the technical field of electric appliances of the electric car. Tile permanent magnet steel is fixed on a rotor iron core by a screw through a pole shoe, the rectangular permanent magnet steel is embedded into the rotor iron core, the structure is a rotor magnetic bypass structure, the problem that the permanent magnet steel generates irreversible demagnetization under the action of the armature reaction of impulse currents can be effectively prevented, it is ensured that the permanent magnet steel cannot be demagnetized, meanwhile, the rotor magnetic field of the driving motor is jointly provided by a radial magnetic field and a tangential magnetic field, the strength of the magnetic fields is large, the output power is high, and the method has the advantages of being high in efficiency, high in power density, compact in structure, reliable ...

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Номер записи: 16
04-03-2015 дата публикации

Starting power generation conversion control method for range extender of electrical vehicle

Номер: CN104393661A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, SHI LIWEI, LIU CONGZHEN
Принадлежит:

The invention provides a starting power generation conversion control method for a range extender of an electrical vehicle, and belongs to the technical field of electrical vehicle control. The control method is characterized in that a starting power generator works by coordinated control of a main control circuit on a starting circuit and a starting power generation conversion circuit; the working state of the starting power generator includes a starting state and a power generation state; when the charge state of a storage battery is lower than 30%, the starting power generator enables an engine to run; after the engine runs normally, the starting power generator is converted into a power generator for supplying power to the storage battery and extending the driving range of the electrical vehicle.

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Номер записи: 17
26-03-2014 дата публикации

Method for producing rotor of invisible magnetic pole permanent magnet generator

Номер: CN103683729A
Автор: ZHANG XUEYI, GAO SONG, MA QINGZHI, DU QINJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a method for producing a rotor of an invisible magnetic pole permanent magnet generator and belongs to the technical field of automobile motors and electric appliances. The method comprises the steps that long T-shaped salient poles and short T-shaped salient poles are arranged on the periphery of a rotor iron core, the long T-shaped salient poles and the short T-shaped salient poles are distributed at intervals, four pieces of identical arc permanent magnet steel with the inner arc faces to be S poles are fixed to the short T-shaped salient poles, the S poles, close to the short T-shaped salient poles, of the inner arc faces of the arc permanent magnet steel are led to the outer arc faces of the long T-shaped salient poles respectively, so that the combined invisible magnetic pole rotor with N poles and the S poles arranged at intervals is formed, the N poles and the S poles are arranged at intervals, the two poles of the arc permanent magnet steel are fully used ...

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Номер записи: 18
26-03-2014 дата публикации

Method for producing electromagnet and permanent magnetic parallel magnetic circuit rotor for electric vehicle range extender

Номер: CN103683725A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a method for producing an electromagnet and permanent magnetic parallel magnetic circuit rotor for an electric vehicle range extender, and belongs to the technical field of automobile motors and electric devices. The method includes the step of producing an electro-magnetic rotor, the step of producing a permanent magnet rotor and the step of assembling the rotors. The electro-magnetic rotor is of a protruding pole structure, the generated magnetic field directly faces towards an air gap, and the leakage flux is little. Rectangular magnetic steel of the permanent magnetic rotor is installed in a radial rectangular groove of a rotor iron core and a tangent rectangular groove of the rotor iron core, tile magnetic steel is fixed to the outer circle of the rotor iron core, and the magnetic field is high in strength. By adjusting the magnitude and the direction of the current generated when an electro-magnetic coil is powered on, the magnetic field formed by synthesizing ...

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Номер записи: 19
25-06-2014 дата публикации

Production method for hub motor rotor with embedded radial permanent magnet steel and embedded tangential permanent magnet steel

Номер: CN103887936A
Автор: ZHANG XUEYI, DU QINJUN, MA QINGZHI, GAO SONG, XU JINBIN
Принадлежит:

The invention provides a production method for a hub motor rotor with embedded radial permanent magnet steel and embedded tangential permanent magnet steel, and belongs to the technical field of automobile motors and electrical appliances. Rectangular permanent magnet steel is embedded in a radial rectangular groove and a second tangential rectangular groove of a rotor core respectively to form an embedded permanent magnet rotor. The structure is a rotor magnetic bypass structure, the problem that irreversible demagnetization happens to the permanent magnet steel under the action of armature reaction of impulse current can be effectively prevented, it is guaranteed that the permanent magnet steel does not lose magnetism, and meanwhile a hub drive motor rotor field is jointly provided by a radial magnetic field and a tangential magnetic field. Besides, the hub motor rotor with the embedded radial permanent magnet steel and the embedded tangential permanent magnet steel has the advantages ...

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Номер записи: 20
26-02-2014 дата публикации

Double-radial permanent magnet generator rotor production method for electric automobile range extender

Номер: CN103607083A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN
Принадлежит:

The invention provides a double-radial permanent magnet generator rotor production method for an electric automobile range extender and belongs to the technical field of automobile motor electric appliances. The method comprises the steps of rotor punching, rotor iron core mounting and a rotor assembling. Tile magnetic steel is fixed on the outer circle of the rotor iron core through a pole shoe via a non-magnetism-conducting screw in a protruding-face-N-pole-S-pole-interval-arraying mode. The N pole of a piece of rectangular magnetic steel and the S pole of another adjacent piece of rectangular magnetic steel are arranged in tangential slots of the rotor iron core in sequence respectively in the mode that the tile magnetic steel concave face which the N pole is toward is an S pole and the tile magnetic steel concave face which the S pole is toward is an N pole. A rotor iron core is fixed on a shaft through a nut. A rotor is large in magnetic field intensity, magnetic filed using rate is ...

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Номер записи: 21
30-04-2014 дата публикации

Production method for embedded permanent magnet rotor of tangential and radial resultant magnetic field driving motor

Номер: CN103762794A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a production method for an embedded permanent magnet rotor of a tangential and radial resultant magnetic field driving motor, and belongs to the technical field of automobile motor electric appliances. Pieces of rectangular permanent magnet steel are embedded into radial rectangular grooves and second tangential rectangular grooves of a rotor iron core respectively. Due to the fact that the tangential and radial resultant magnetic field driving motor is of a rotor magnetic bypass structure, the problem that irreversible demagnetization is generated when the permanent magnet steel bears the action of the armature reaction of an impact current can be effectively avoided, it is ensured that demagnetization does not happen on the permanent magnet steel, the magnetic field of the rotor of the driving motor is supplied by both the tangential magnetic field and the radial magnetic field, the magnetic field intensity is large, output power is high, and the embedded permanent ...

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Номер записи: 22
23-07-2014 дата публикации

Hub drive motor with radial and tangential permanent magnet steel embedded in rotor

Номер: CN103944336A
Автор: ZHANG XUEYI, DU QINJUN, MA QINGZHI, XU JINBIN, ZHAO YUZHEN
Принадлежит:

The invention provides a hub drive motor with radial and tangential permanent magnet steel embedded in a rotor, and belongs to the technical field of automobile motor electric appliances. The hub drive motor with the radial and tangential permanent magnet steel embedded in the rotor is composed of a shaft, a front end cover, a rear end cover, a hub type motor shell, the rotor, a stator and a stator support. The rectangular permanent magnet steel is embedded in tangential rectangular grooves and radial rectangular grooves of a rotor iron core respectively, rotor fields of the hub drive motor are formed by tangential magnetic fields and radial magnetic fields jointly, the magnetic field intensity is large, output power is high, electric exciting windings are not needed, power consumption is little, carbon brushes and mechanical commutators do not exist, the fault rate is low, and the hub drive motor with the radial and tangential permanent magnet steel embedded in the rotor has the advantages ...

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Номер записи: 23
30-04-2014 дата публикации

Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor

Номер: CN103762765A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, LIU CONGZHEN, SHI LIWEI, YIN HONGBIN
Принадлежит:

The invention provides a tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor, and belongs to the technical field of automobile motor electric appliances. The tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor is composed of a front end cover, a rear end cover, a shell, a rotor and a stator. Pieces of rectangular permanent magnet steel are embedded into tangential rectangular grooves and radial rectangular grooves of a rotor iron core respectively. Due to the fact that the tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor is of a rotor magnetic bypass structure, the problem that irreversible demagnetization is generated when the permanent magnet steel bears excessively-high temperature or the action of the armature reaction of an impact current can be effectively avoided, it is ensured that demagnetization does not happen on the permanent magnet steel, the magnetic ...

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Номер записи: 24
23-04-2014 дата публикации

Device for warning dislocation of well lid

Номер: CN103741611A
Автор: GENG JINQIANG, DU QINJUN, GENG JINZHAO, WANG ZHENGRAN, ZHANG WEI, LI FANG
Принадлежит:

The invention relates to a device for warning the dislocation of a well lid. The device comprises a first warning device 10 and a second warning device 10, wherein the first warning device comprises a spring case 3, a steel piece 4, a spring case fastener 5, a spring 6 and a first warning ball 7; a transverse penetrating hole is formed in the first warning ball 7 and a locking hole is formed in a position at the upper part of the spring case 3; and the second warning device 20 comprises a plurality of rubber bands 11, a plurality of second warning balls 12 and a container 13 for receiving the plurality of second warning balls. The device is simple in structure and high in reliability; the existing well lid does not need to be modified; besides, the device is capable of warning the dislocation of either the submersed well lid or the non-submersed well lid, and low in cost.

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Номер записи: 25
26-03-2014 дата публикации

Production method of combined magnetic pole radial permanent magnet constant-voltage generator

Номер: CN103683698A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, SHI LIWEI, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a production method of a combined magnetic pole radial permanent magnet constant-voltage generator, and belongs to the technical field of automobile motor electric appliances. The production method includes the steps of rotor assembly, stator assembly, end cover machining, voltage stabilizer assembly and complete machine assembly. A permanent magnet rotor is of a radial combined magnetic pole structure, therefore, the cogging effect in the generator can be weakened, the whole moment coefficient of an armature winding is improved, the starting resistance moment of the generator is reduced effectively, and the operation noise of the generator is lowered. A stator punching sheet is a round stator punching sheet composed of four equally-divided sheet bodies, and therefore the material utilization rate is high. A circuit board is packaged in a voltage stabilizer shell by the adoption of 191# unsaturated polyester resin, the dustproof, moisture-proof, anti-vibration and ...

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Номер записи: 26
26-02-2014 дата публикации

Producing method of permanent magnetic rotors and salient pole composite electromagnetic excitation rotors

Номер: CN103607084A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, HAN JIAPENG
Принадлежит:

The invention provides a producing method of permanent magnetic rotors and salient pole composite electromagnetic excitation rotors, and belongs to the technical field of automobile motors and electric appliances. The method includes the steps of permanent magnetic rotor production, electric excitation rotor production and rotor assembly. Tile magnetic steel is fixed onto the outer circle of a rotor core, rectangular magnetic steel is installed in a radial groove of the rotor core, the magnetic field intensity is high, electric excitation rotors are of a salient pole structure, generated magnetic fields directly face air gaps, magnetic flux leakage is little, magnetic fields in air gaps of a generator are provided by permanent magnetic steel and an electric excitation coil together, by means of adjustment of the magnitude and the direction of the current passing through the electric excitation coil, the magnetic fields formed by integrating permanent magnetic fields and electromagnetic ...

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Номер записи: 27
23-04-2014 дата публикации

Built-in permanent magnet rotor driving motor of electric automobile

Номер: CN103746483A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a built-in permanent magnet rotor driving motor of an electric automobile, and belongs to the technical field of automobile motor appliances. The built-in permanent magnet rotor driving motor comprises a front end housing, a rear end housing, a shell, a rotor and a stator, wherein permanent magnet steel is embedded in a rotor core, and the structure is a rotor magnetic bypass structure which can effectively prevent an irreversible demagnetization problem of the permanent magnet due to ultrahigh temperature or an armature reaction of impulse current, ensure that the permanent magnet steel is free from loss of excitation. The rotor field of the driving motor is provided by the permanent magnet steel, so that the built-in permanent magnet rotor driving motor is free from electric exciting windings, carbon brush and a mechanical rectifier, low in power consumption and failure rate, high in efficiency and power density, obvious in magnetic flux gathering effect, and capable ...

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Номер записи: 28
26-02-2014 дата публикации

Salient-pole electromagnetic and radial permanent magnet compound excitation generator rotor production method

Номер: CN103607085A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN
Принадлежит:

The invention provides a salient-pole electromagnetic and radial permanent magnet compound excitation generator rotor production method and belongs to the technical field of automobile motor electrical appliances. The method comprises the steps of electric excitation rotor production, permanent magnet rotor production and rotor assembly. Each magnet pole of a permanent magnet motor is formed by combining three pieces of rectangular permanent magnet steel. Starting resistance is small. An electric excitation rotor is of a salient pole structure. A generated magnet field faces an air gap directly and small in leakage flux. The magnet field utilization rate is high. The magnet field in the air gap of a generator is jointly provided by an electric excitation magnet coil and permanent magnet steel. The magnet field formed by overlapping an electric magnet field and a permanent magnet field can be adjusted through adjusting the magnitude and the direction of electric current of the electric excitation ...

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Номер записи: 29
26-03-2014 дата публикации

Production method of claw pole type permanent-magnet stable-voltage electric generator

Номер: CN103683696A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a production method of a claw pole type permanent-magnet stable-voltage electric generator and belongs to the technical field of automotive electrical machines and electric appliances. The production method comprises rotor assembly, stator assembly, end cover machining, voltage stabilizer assembly and complete machine assembly. The claw pole of a rotor converts an axial magnetization type magnetic field into a radial magnetic field, magnetic performance is good, and magnetization is uniform. A stator punched sheet is a round punched sheet formed by three equant sheets, and the utilizing rate of materials is high. A circuit board is encapsulated in a shell body of a voltage stabilizer with 191# unsaturated polyester resin, and then dust resistance, moisture resistance, vibration resistance and shock resistance are achieved. The electric voltage stabilizer enables the output voltage of the permanent-magnet electric generator to be stable under variable-speed and variable-load ...

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Номер записи: 30
26-03-2014 дата публикации

Method for producing electromagnet and permanent magnet invisible magnetic pole hybrid excitation rotor

Номер: CN103683728A
Автор: ZHANG XUEYI, MA QINGZHI, DU QINJUN, SHI LIWEI, ZHAO YUZHEN
Принадлежит:

The invention provides a method for producing an electromagnet and permanent magnet invisible magnetic pole hybrid excitation rotor, and belongs to the technical field of automobile motors and electric devices. The method includes the step of producing an electro-magnetic rotor, the step of producing a permanent magnet rotor and the step of assembling the rotors. The electro-magnetic rotor is of a protruding pole structure, the generated magnetic field directly faces towards an air gap, and the leakage flux is little. A long T-shaped protruding pole and a short T-shaped protruding pole are isolated from each other and arranged on the periphery of a rotor iron core of the permanent magnetic rotor. A piece of arc-shaped permanent magnet steel is fixed to the short T-shaped protruding pole, and the polarity of an inner arc face, close to the short T-shaped protruding pole, of the arc-shaped permanent magnet steel is led onto the long T-shaped protruding pole through the rotor iron core so ...

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Номер записи: 31
25-06-2014 дата публикации

Permanent magnet and electromagnet mixed excitation hub driving device of electric vehicle

Номер: CN103887907A
Автор: ZHANG XUEYI, DU QINJUN, MA QINGZHI, GAO SONG, XU JINBIN
Принадлежит:

The invention provides a permanent magnet and electromagnet mixed excitation hub driving device of an electric vehicle and belongs to the technical field of automobile motor electric appliances. The permanent magnet and electromagnet mixed excitation hub driving device of the electric vehicle consists of a shaft, a front end cover, a rear end cover, a hub casing, a rotor, a stator and a stator support. An electro-magnetic winding coil is wound on a rotor iron core, winding is sequentially performed in a mode that the polarity produced by the inner side of the rotor iron core is identical to the polarity of the inner of permanent magnet steel fixed on the rotor iron core after direct current is switched on, a magnetic field in a hub driving air gap is provided by the permanent magnet steel and the electro-magnetic winding coil jointly, the magnetic field strength is large, and the power density of the hub driving device is high.

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Номер записи: 32
25-02-2015 дата публикации

Peak closing method for reactive compensation capacitor bank

Номер: CN104377705A
Автор: DU QINJUN
Принадлежит:

The invention provides a peak closing method for a reactive compensation capacitor bank and belongs to the field of power quality of electrical power systems. According to the peak closing method for the reactive compensation capacitor bank, the optimum closing phase positions of all phases of capacitor banks are designed according to the fact that the capacitor banks are connected in parallel in the mode that the star-shaped neutral points are grounded or not grounded, the minimum delay time required from the moment a closing signal is received to the moment the on-off action is triggered is calculated according to the intrinsic closing time of a switch and external factors, and thus the capacitor bank is applied to a power grid when both the value of the voltage of the capacitor bank and the value of the voltage of a power grid are peak values. Compared with other closing methods, the peak closing method for the reactive compensation capacitor bank has the advantages that the voltage ...

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Номер записи: 33
25-06-2014 дата публикации

Built-in tangential permanent magnet steel hub driving motor of electric vehicle

Номер: CN103887947A
Автор: ZHANG XUEYI, DU QINJUN, MA QINGZHI, GAO SONG, YOU DI
Принадлежит:

The invention provides a built-in tangential permanent magnet steel hub driving motor of an electric vehicle and belongs to the technical field of automobile motor electric appliances. The built-in tangential permanent magnet steel hub driving motor of the electric vehicle consists of a shaft, a front end cover, a rear end cover, a hub casing, a rotor, a stator and a stator support. A first piece of rectangular permanent magnet steel and the other piece of rectangular permanent magnet steel are sequentially installed in radial rectangular grooves of a rotor iron core in a mode that an N-pole of the first piece of rectangular permanent magnet steel is opposite to an N-pole of the other piece of rectangular permanent magnet steel, and an S-pole of the first piece of rectangular permanent magnet steel is opposite to an S-pole of the other piece of rectangular permanent magnet steel, a tangential permanent magnet rotor with N-poles and S-poles arranged at intervals is formed, the structure ...

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Номер записи: 34
26-03-2014 дата публикации

Method for producing tangential and radial composite magnetic field permanent magnet voltage stabilization generator

Номер: CN103683697A
Автор: ZHANG XUEYI, MA QINGZHI, GAO SONG, DU QINJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a method for producing a tangential and radial composite magnetic field permanent magnet voltage stabilization generator, and belongs to the technical field of automobile motors and electric appliances. The method comprises the steps of rotor assembling, stator assembling, end cover machining, voltage stabilizer assembling and complete machine assembling, a tangential permanent magnetic field and a radial permanent magnetic field share one rotor core, a generated magnetic field is formed in the air gap of the generator in a composition mode, the magnetic field intensity is large, the power density of the generator is high, the structure is compact, a circuit board is packaged in a shell body of a voltage stabilizer through 191# unsaturated polyester resin, dust prevention, moisture prevention, vibration resistance and impact resistance are achieved, the output voltage of the permanent magnet generator is kept stable through the voltage stabilizer under the working ...

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Номер записи: 35
26-03-2014 дата публикации

Method for producing salient pole rotor generator

Номер: CN103683699A
Автор: ZHANG XUEYI, DU QINJUN, LIU RUIJUN, LIU CONGZHEN, YIN HONGBIN
Принадлежит:

The invention provides a method for producing a salient pole rotor generator, and belongs to the technical field of automobile motor electric appliances. The method for producing the salient pole rotor generator comprises the steps of rotor assembling, stator assembling, end cover machining, voltage stabilizer assembling and complete machine assembling. A generator rotor is of an electric magnet exciting salient pole structure, an electric magnet exciting coil is wound on a salient pole rotor iron core, and wire wrapping is carried out in sequence according to the law that the polarity generated on the convex face of a salient pole is arranged to be N poles and S poles at intervals after a direct current is connected. A magnetic field generated by the salient pole of the rotor directly faces an air gap, flux leakage is little, the utilization rate of the magnetic field is high, a voltage stabilizer adjusts the size of a powered electric current of an electric magnet exciting winding so ...

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Номер записи: 36
12-08-2015 дата публикации

Method for grabbing object through mobile manipulator on basis of GPS and binocular vision positioning

Номер: CN104827483A
Автор: DU QINJUN
Принадлежит:

The invention discloses a method for grabbing an object through a mobile manipulator on the basis of a GPS and binocular vision positioning, and belongs to the automation field. The mobile manipulator moves to the position nearby the target object according to target object spatial position information obtained through the GPS, three-dimensional position information of the target object is obtained on the basis of binocular vision, the mobile manipulator moves to the position nearby the target object, the target object is located within the operating range of the mobile manipulator, a mobile manipulator end effector quickly approaches to the target object on the basis of visual feedforward, the mobile manipulator end effector is controlled to be precisely aligned to the target object on the basis of visual feedback, and finally the mobile manipulator end effector is controlled to conduct grabbing action. According to the method, GPS positioning information is utilized, the target object ...

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Номер записи: 37