CN110040028A - A kind of integral control circuit of Vehicular charger and DCDC conversion equipment - Google Patents

A kind of integral control circuit of Vehicular charger and DCDC conversion equipment Download PDF

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Publication number
CN110040028A
CN110040028A CN201910299487.0A CN201910299487A CN110040028A CN 110040028 A CN110040028 A CN 110040028A CN 201910299487 A CN201910299487 A CN 201910299487A CN 110040028 A CN110040028 A CN 110040028A
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CN
China
Prior art keywords
circuit
vice
side winding
mosfet
phase
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Pending
Application number
CN201910299487.0A
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Chinese (zh)
Inventor
颜宇杰
尤伟玉
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Amperex Technology Ltd (shanghai)
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Amperex Technology Ltd (shanghai)
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Filing date
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Priority to CN201910299487.0A priority Critical patent/CN110040028A/en
Publication of CN110040028A publication Critical patent/CN110040028A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The invention discloses the integral control circuits of a kind of Vehicular charger and DCDC conversion equipment, including vehicle-mounted charge circuit and DC/DC circuit, the vehicle-mounted charge circuit includes sequentially connected pfc circuit, the phase whole-bridging circuit of the side AC series diode, transformer module and high-tension battery side phase whole-bridging circuit, wherein transformer module is the voltage device that Vehicular charger+DC/DC is integrated, transformer module includes three windings and two resonant inductances, and three windings are respectively primary side winding, vice-side winding one and vice-side winding two, primary side winding is exchange input side, the output connection automobile power cell group of vice-side winding one, the output connection Vehicular accumulator cell of vice-side winding two.Circuit structure of the present invention is simple, realizes when DC/DC circuit works independently, and does not need to increase the effect that additional control can utilize circuit series diode to realize blocking transformer exchange side access.

Description

A kind of integral control circuit of Vehicular charger and DCDC conversion equipment
Technical field
The present invention relates to electric powered motor field, the integrated control of specially a kind of Vehicular charger and DCDC conversion equipment Circuit processed.
Background technique
As the pith in power system of electric automobile, Vehicular charger is that electric main is converted into direct current to be The device of electric automobile power battery group charging；DC/DC converter be the high voltage direct current of power battery is converted to can for store The device of the low-voltage DC of battery charging.With the development of electric car, Vehicular charger and DC/DC is integrated becomes electricity The mainstream scheme of electrical automobile energy supply, by the way that Vehicular charger and DC/DC are shared electrical connection, multiplexing water-cooled plate, shared The integration modes such as hardware circuit and control circuit can be substantially reduced volume and cost.
In existing Integrated Solution, Vehicular charger and DC/DC are shared into a transformer and full-bridge inverting portion and separated The mode for closing pipe can be realized the highly integrated of circuit.But it stops working in Vehicular charger, when the part DC/DC works independently, The voltage meeting induced on transformer primary side is generated with the parasitic capacitance for exchanging side primary side inversion full-bridge metal-oxide-semiconductor and body diode Concussion, on the one hand can have an impact the working condition of DC/DC circuit, on the other hand also reduce the conversion effect of DC/DC circuit Rate.Therefore it needs to increase in transformer alternating lateral circuit to block circuit, can be blocked when guaranteeing that DC/DC works independently logical Road.Existing technical solution is to increase relay in primary side circuit to block to realize, but relay volume is larger is unfavorable for reality It is existing highly integrated, and the switch control of relay will increase the complexity of circuit control.
Summary of the invention
The purpose of the present invention is to provide the integral control circuits of a kind of Vehicular charger and DCDC conversion equipment, to solve The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of Vehicular charger and DCDC conversion equipment Integral control circuit, including vehicle-mounted charge circuit and DC/DC circuit, the vehicle-mounted charge circuit include sequentially connected PFC electricity Road, the phase whole-bridging circuit of the side AC series diode, transformer module and high-tension battery side phase whole-bridging circuit, wherein transformer Module is the voltage device that Vehicular charger+DC/DC is integrated, and transformer module includes three windings and two resonant inductances, and three A winding is respectively primary side winding, vice-side winding one and vice-side winding two, and primary side winding is exchange input side, and vice-side winding one is defeated Automobile power cell group, the output connection Vehicular accumulator cell of vice-side winding two are connected out.
Preferably, the phase whole-bridging circuit of the side AC series diode include diode D3, D4 and MOSFET pipe M5, M6, M7, M8, wherein MOSFET pipe M5, M6, M7, M8 are phase-shifting full-bridge input side MOSFET, and diode D3, D4 are phase-shifting full-bridge Input side series diode.
Preferably, DC/DC circuit includes the high-tension battery side phase whole-bridging circuit shared with vehicle-mounted charge circuit, low-pressure side Full-wave rectification and reduction voltage circuit, high-tension battery side phase whole-bridging circuit include vehicle mounted dynamic battery group lateral capacitance C2 and phase-shifting full-bridge Power battery pack side full-bridge rectification MOSFET M9, M10, M11, M12.
Preferably, reduction voltage circuit includes Vehicular accumulator cell lateral capacitance C3, diode D5, MOSFET pipe M13, M14 and BUCK Converter MOSFET M15, wherein MOSFET pipe M13, M14 are that battery side common source rectifies MOSFET, and M15 is battery side BUCK converter MOSFET.
Preferably, two resonant inductances are respectively resonant inductance L3 and resonant inductance L4, and wherein resonant inductance L3 is integrated In the resonant inductance of transformer input side, resonant inductance L4 is the resonant inductance for being integrated in transformer power battery pack side.
Compared with prior art, the beneficial effects of the present invention are:
Circuit structure of the present invention is simple, realizes when DC/DC circuit works independently, and does not need to increase additional control just The effect of blocking transformer exchange side access can be realized using circuit series diode.
Detailed description of the invention
Fig. 1 is circuit integration schematic diagram of the invention；
Fig. 2 is charging schematic diagram when vehicle-mounted charge circuit of the present invention works independently；
Fig. 3 is the schematic diagram that DC/DC circuit of the present invention works independently；
Fig. 4 is operation schematic diagram when vehicle-mounted charge circuit of the present invention is worked at the same time with DC/DC circuit.
In figure: 1, pfc circuit；2, the phase whole-bridging circuit of the side AC series diode；3, transformer module；4, high-tension battery Side phase whole-bridging circuit；5, reduction voltage circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be Solve the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1-4, the present invention provides a kind of technical solution: a kind of Vehicular charger and DCDC conversion equipment it is integrated Control circuit, including vehicle-mounted charge circuit and DC/DC circuit, the vehicle-mounted charge circuit include sequentially connected pfc circuit 1, The phase whole-bridging circuit 2 of the side AC series diode, transformer module 3 and high-tension battery side phase whole-bridging circuit 4, wherein transformer Module 3 is the voltage device that Vehicular charger+DC/DC is integrated, and transformer module 3 includes three windings and two resonant inductances, humorous Vibration inductance is desirably integrated into inside transformer, and three windings are respectively primary side winding, vice-side winding one and vice-side winding two, primary side Winding is exchange input side, the output connection automobile power cell group of vice-side winding one, the output connection vehicular electricity storage of vice-side winding two Pond；The phase whole-bridging circuit 2 of the side AC series diode includes diode D3, D4 and MOSFET pipe M5, M6, M7, M8, wherein MOSFET pipe M5, M6, M7, M8 are phase-shifting full-bridge input side MOSFET, and diode D3, D4 are two poles of phase-shifting full-bridge input side series connection Pipe.
DC/DC circuit includes the high-tension battery side phase whole-bridging circuit 4 shared with vehicle-mounted charge circuit, and low-pressure side all-wave is whole Stream and reduction voltage circuit 5, high-tension battery side phase whole-bridging circuit 4 and reduction voltage circuit 5 successively connect, high-tension battery side phase-shifting full-bridge electricity Road 4 include vehicle mounted dynamic battery group lateral capacitance C2 and phase-shifting full-bridge power battery pack side full-bridge rectification MOSFET M9, M10, M11, M12。
Reduction voltage circuit 5 includes Vehicular accumulator cell lateral capacitance C3, diode D5, MOSFET pipe M13, M14 and BUCK converter MOSFET M15, wherein MOSFET pipe M13, M14 are that battery side common source rectifies MOSFET, and M15 is battery side BUCK change Parallel operation MOSFET.
Two resonant inductances are respectively resonant inductance L3 and resonant inductance L4, and wherein resonant inductance L3 is to be integrated in transformer The resonant inductance of input side, resonant inductance L4 are the resonant inductance for being integrated in transformer power battery pack side.
Working principle:
Operating mode 1: when electric car is in charged state, when DC/DC circuit stops working:
Metal-oxide-semiconductor M13, M14 and M15 is in an off state at this time, due to the reversed cut-off characteristics of diode, transformer secondary Winding two and metal-oxide-semiconductor M13 (or metal-oxide-semiconductor M14), diode D5, current loop can not be formed between metal-oxide-semiconductor M15, to ensure that The energy of transformer primary winding, which only passes through vice-side winding one and is transmitted to automobile power cell group side, to charge the battery.Vehicle-mounted charge The charging circuit of machine can be regarded as phase whole-bridging circuit, by controlling transformer primary side full-bridge metal-oxide-semiconductor M5 and M8, M6 and M7 it Between phase shifting angle come control to battery pack charge electric current and voltage, vice-side winding one connect four metal-oxide-semiconductors it is in an off state, Uncontrollable rectifier is realized by the parasitic diode of metal-oxide-semiconductor itself.
Operating mode 2: when electric car is in charged state, when DC/DC circuit is also required to work:
Transformer primary winding energy transmission gives automobile power cell to vice-side winding one and vice-side winding two respectively at this time Group and battery charging.By controlling four metal-oxide-semiconductors M5 and M8 of transformer primary winding side, phase shifting angle is controlled between M6 and M7 The electric current and voltage to charge to battery pack is made, the output voltage and electric current of DC/DC is controlled by the duty ratio of metal-oxide-semiconductor M15.
Operating mode 3: when Vehicular charger does not charge, and DC/DC charges a battery:
Metal-oxide-semiconductor M5, M6, M7, M8 is in an off state at this time, due between transformer primary winding side metal-oxide-semiconductor M5 and M7, The reverse blocking effect of diode D3 and D4 are sealed between M6 and M8, therefore primary side winding does not have electric current to flow through, storage battery energy It is transmitted to battery side by the transformer that vice-side winding one and vice-side winding two are constituted, gives storage battery power supply.In this work Under mode, the output voltage and electric current of DC/DC are controlled by the phase shifting angle between adjusting metal-oxide-semiconductor M9 and M12, M10 and M11, Realization full-wave rectification is turned on and off by control metal-oxide-semiconductor M13 and M14, metal-oxide-semiconductor M15 is in the conductive state always.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. the integral control circuit of a kind of Vehicular charger and DCDC conversion equipment, which is characterized in that including vehicle-mounted charge circuit With DC/DC circuit, the vehicle-mounted charge circuit includes the phase-shifting full-bridge of sequentially connected pfc circuit (1), the side AC series diode Circuit (2), transformer module (3) and high-tension battery side phase whole-bridging circuit (4), wherein transformer module (3) is vehicle-mounted charge Machine+DC/DC integrated voltage device, transformer module (3) includes three windings and two resonant inductances, and three windings are respectively Primary side winding, vice-side winding one and vice-side winding two, primary side winding are exchange input side, and the output connection automobile of vice-side winding one is dynamic Power battery pack, the output connection Vehicular accumulator cell of vice-side winding two.
2. the integral control circuit of a kind of Vehicular charger and DCDC conversion equipment according to claim 1, feature exist In: the phase whole-bridging circuit (2) of the side AC series diode includes diode D3, D4 and MOSFET pipe M5, M6, M7, M8, Middle MOSFET pipe M5, M6, M7, M8 are phase-shifting full-bridge input side MOSFET, and diode D3, D4 are phase-shifting full-bridge input side series connection two Pole pipe.
3. the integral control circuit of a kind of Vehicular charger and DCDC conversion equipment according to claim 1, feature exist In: the DC/DC circuit includes the high-tension battery side phase whole-bridging circuit (4) shared with vehicle-mounted charge circuit, low-pressure side all-wave Rectification and reduction voltage circuit (5), high-tension battery side phase whole-bridging circuit (4) includes that vehicle mounted dynamic battery group lateral capacitance C2 and phase shift are complete Bridge power battery pack side full-bridge rectification MOSFET M9, M10, M11, M12.
4. the integral control circuit of a kind of Vehicular charger and DCDC conversion equipment according to claim 3, feature exist In: the reduction voltage circuit (5) includes Vehicular accumulator cell lateral capacitance C3, diode D5, MOSFET pipe M13, M14 and BUCK converter MOSFET M15, wherein MOSFET pipe M13, M14 are that battery side common source rectifies MOSFET, and M15 is battery side BUCK change Parallel operation MOSFET.
5. the integral control circuit of a kind of Vehicular charger and DCDC conversion equipment according to claim 1, feature exist In: described two resonant inductances are respectively resonant inductance L3 and resonant inductance L4, and wherein resonant inductance L3 is to be integrated in transformer The resonant inductance of input side, resonant inductance L4 are the resonant inductance for being integrated in transformer power battery pack side.
CN201910299487.0A 2019-04-15 2019-04-15 A kind of integral control circuit of Vehicular charger and DCDC conversion equipment Pending CN110040028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910299487.0A CN110040028A (en) 2019-04-15 2019-04-15 A kind of integral control circuit of Vehicular charger and DCDC conversion equipment

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Application Number Priority Date Filing Date Title
CN201910299487.0A CN110040028A (en) 2019-04-15 2019-04-15 A kind of integral control circuit of Vehicular charger and DCDC conversion equipment

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Publication Number Publication Date
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CN110289667A (en) * 2019-08-05 2019-09-27 苏州博沃创新能源科技有限公司 High-power integrated form Vehicular charger and vehicle-mounted DC/DC circuit and control method
CN110509796A (en) * 2019-08-30 2019-11-29 深圳市高斯宝电气技术有限公司 A kind of vehicle-mounted bidirectional charger circuit of electric car
CN110649813A (en) * 2019-09-09 2020-01-03 浙江大学 Isolated integrated three-port bidirectional DCDC converter
CN110752752A (en) * 2019-10-25 2020-02-04 中国科学院电工研究所 High-transformation-ratio DC-DC converter and method suitable for photovoltaic direct-current boosting system
CN111355398A (en) * 2020-03-19 2020-06-30 深圳市高斯宝电气技术有限公司 Bidirectional vehicle-mounted charger circuit integrated with DC/DC converter
CN111409482A (en) * 2020-03-30 2020-07-14 上海电气集团股份有限公司 Integrated circuit of vehicle-mounted charger and motor controller and electric vehicle
CN111463878A (en) * 2020-05-14 2020-07-28 深圳威迈斯新能源股份有限公司 Compatible high-power double-end output vehicle-mounted charger and control method thereof
CN111969684A (en) * 2020-08-17 2020-11-20 杭州富特科技股份有限公司 Electric vehicle charging circuit and electric vehicle
CN112350389A (en) * 2019-08-08 2021-02-09 杭州奥能电源设备有限公司 Integrated control circuit of vehicle-mounted charger and DC/DC
WO2021027348A1 (en) * 2019-08-14 2021-02-18 华为技术有限公司 Magnetic integrated device, power conversion circuit, charger, and electric vehicle
CN112737344A (en) * 2020-12-29 2021-04-30 联合汽车电子有限公司 Battery charging circuit
CN112865263A (en) * 2021-03-15 2021-05-28 阳光电源股份有限公司 Charging and discharging control method and application device
CN113147447A (en) * 2021-03-17 2021-07-23 北京动力源科技股份有限公司 Multifunctional vehicle-mounted charging circuit for electric automobile
CN113169562A (en) * 2019-09-30 2021-07-23 华为技术有限公司 Vehicle-mounted charging and discharging device, charging and discharging system thereof and new energy automobile
CN113178915A (en) * 2021-04-30 2021-07-27 成都信息工程大学 Fuzzy control system and control method for charging storage battery
CN113472214A (en) * 2021-07-30 2021-10-01 宁波吉利罗佑发动机零部件有限公司 Vehicle direct current voltage conversion circuit
WO2021227537A1 (en) * 2020-05-15 2021-11-18 华为数字能源技术有限公司 Charging circuit for on-board charger, on-board charger, and charging control method
CN114285287A (en) * 2021-11-29 2022-04-05 苏州博沃创新能源科技有限公司 Charger with multidirectional flowing electric energy and DC/DC integrated system
WO2022133793A1 (en) * 2020-12-23 2022-06-30 深圳欣锐科技股份有限公司 Charging system and vehicle
GB2613830A (en) * 2021-12-16 2023-06-21 Jaguar Land Rover Ltd Electrical vehicle circuitry
GB2613836A (en) * 2021-12-16 2023-06-21 Jaguar Land Rover Ltd Electrical vehicle circuitry
WO2023111326A1 (en) * 2021-12-16 2023-06-22 Jaguar Land Rover Limited Transformer circuit for an onboard charger of an electric vehicle
CN110509796B (en) * 2019-08-30 2024-05-17 深圳市能效电气技术有限公司 Vehicle-mounted bidirectional charger circuit of electric automobile

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CN112865263A (en) * 2021-03-15 2021-05-28 阳光电源股份有限公司 Charging and discharging control method and application device
CN113147447A (en) * 2021-03-17 2021-07-23 北京动力源科技股份有限公司 Multifunctional vehicle-mounted charging circuit for electric automobile
CN113178915A (en) * 2021-04-30 2021-07-27 成都信息工程大学 Fuzzy control system and control method for charging storage battery
CN113472214A (en) * 2021-07-30 2021-10-01 宁波吉利罗佑发动机零部件有限公司 Vehicle direct current voltage conversion circuit
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CN114285287A (en) * 2021-11-29 2022-04-05 苏州博沃创新能源科技有限公司 Charger with multidirectional flowing electric energy and DC/DC integrated system
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Application publication date: 20190723