CN106452081A - Standby boosting power supply device and system of electric vehicle - Google Patents

Standby boosting power supply device and system of electric vehicle Download PDF

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Publication number
CN106452081A
CN106452081A CN201610871683.7A CN201610871683A CN106452081A CN 106452081 A CN106452081 A CN 106452081A CN 201610871683 A CN201610871683 A CN 201610871683A CN 106452081 A CN106452081 A CN 106452081A
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CN
China
Prior art keywords
battery group
tension battery
transformator
switching device
pin
Prior art date
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Granted
Application number
CN201610871683.7A
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Chinese (zh)
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CN106452081B (en
Inventor
黄斌
张文华
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Shenzhen Zhixing Intelligent Drive Technology Co Ltd
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Shenzhen Zhixing Intelligent Drive Technology Co Ltd
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Priority to CN201610871683.7A priority Critical patent/CN106452081B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion 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
    • H02M3/325Conversion 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
    • H02M3/335Conversion 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
    • H02M3/33569Conversion 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The invention relates to the technical field of electric vehicles, in particular to a standby boosting power supply device and system of the electric vehicle. The standby boosting power supply device of the electric vehicle comprises a low-voltage battery pack, an adjustable booster circuit and a rectifying circuit, wherein an input end of the adjustable booster circuit is connected with the low-voltage battery pack; an output end of the adjustable booster circuit is connected with the input end of the rectifying circuit; and the adjustable booster circuit converts low voltage of the low-voltage battery pack into high voltage, rectifies the high voltage through the rectifying circuit and then outputs the high voltage. The standby boosting power supply device has the beneficial effects that the low-voltage battery pack can also be boosted and then a few of important power devices of the electric vehicle are provided with short-time power supply when the high-voltage battery pack of the electric vehicle is broken down.

Description

Electric automobile standby boosting electric supply installation and system
Technical field
The present invention relates to electric vehicle engineering field, more particularly, to a kind of electric automobile standby boosting electric supply installation and be System.
Background technology
At present, the battery system on electric automobile typically has high-tension battery group and low tension battery group, high-tension battery group voltage Generally there are several hectovolts, the common voltage of low tension battery group has 12 volts and 24 volts.Power-equipment on electric automobile is mainly by high pressure Battery-powered, on car, instrument, amusement equipment etc. are mainly powered by low tension battery group.Wherein high-tension battery group is by multiple battery lists Unit combines, and whole set of cells to be managed by BMS it may be said that high-tension battery group is a complicated system simultaneously.Work as high pressure Certain battery unit fault in set of cells or BMS run when going wrong, and whole high-tension battery group all can go out for electricity output Existing problem, then the power drive powered by high-tension battery group, steering drive, the air pump etc. that brakes all can instantaneously quit work.This When automobile will run out of steam, turn to uncontrollable, brake cannot run well.
Content of the invention
For the deficiencies in the prior art it is intended to solve existing electric automobile mesohigh set of cells when breaking down, with it The power drive that connects, turn to drive, brake air pump etc. all can instantaneous out-of-work problem, the present invention provides a kind of electronic vapour Car standby boosting electric supply installation and system, when the high-tension battery group of electric automobile breaks down, also can make low-voltage battery group The some important power-equipment giving electric automobile after boosting provides the short time to power.
For achieving the above object, the present invention adopts the following technical scheme that:
Electric automobile standby boosting electric supply installation, including low tension battery group, adjustable booster circuit and rectification circuit;
The input of adjustable booster circuit is connected with low tension battery group, the outfan of adjustable booster circuit and rectification circuit Input connects;
The low-voltage of low tension battery group is transformed into high voltage by adjustable booster circuit, more defeated after rectifier circuit rectifies Go out.
Wherein, adjustable booster circuit includes transformator TR1, transformator TR2, switching device Q1, switching device Q2, derailing switch Part Q3, switching device Q4, input capacitance C1, input capacitance C2 and resonant capacitance C3.
Described transformator TR1 former limit the first pin connects low tension battery group negative pole, described transformation by described switching device Q1 Device TR1 former limit the 3rd pin connects low tension battery group negative pole, described transformator TR1 former limit second pin by described switching device Q2 It is connected with described low tension battery group positive pole, described transformator TR1 former limit second pin is connected to also by described input capacitance C1 Described low tension battery group negative pole;
Described transformator TR2 former limit the first pin connects low tension battery group negative pole, described transformation by described switching device Q3 Device TR2 former limit the 3rd pin connects low tension battery group negative pole, described transformator TR2 former limit second pin by described switching device Q4 It is connected with described low tension battery group positive pole, described transformator TR2 former limit second pin is connected to also by described input capacitance C2 Described low tension battery group negative pole;
Described transformator TR1 secondary second pin passes through described resonant capacitance C3 and described transformator TR2 secondary first draws Foot connects.
Described rectification circuit include commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4 with And output capacitance C4.
Described transformator TR1 secondary the first pin positive pole and described commutation diode with described commutation diode D1 respectively The connection of D3 negative pole.
Described transformator TR2 secondary second pin positive pole and the described commutation diode with described commutation diode D2 respectively The connection of D4 negative pole.
One end of described output capacitance C4 is born with the negative pole of described commutation diode D1 and described commutation diode D2 respectively The connection of pole.
The other end of described output capacitance C4 positive pole and the described commutation diode D4 with described commutation diode D3 respectively The connection of positive pole.
Preferably, switching device Q1, switching device Q2, switching device Q3, switching device Q4 are respectively adopted golden oxygen Half field effect transistor or insulated gate bipolar transistor.
Preferably, the voltage of low tension battery group is 12 volts or 24 volts.
For achieving the above object, the present invention also adopts another kind of technical scheme as follows:
A kind of standby boosting electric power system of electric automobile, including high-tension battery group, booster power module, handover module, dynamic Power equipment, CAN and entire car controller.
The electric automobile standby boosting electric supply installation that described booster power module includes technique scheme.
Described high-tension battery group and described booster power module are connected by described handover module and described power-equipment respectively Connect.
Described entire car controller is connected with described booster power module and described power-equipment respectively by described CAN Connect.
Wherein, described power-equipment includes power-assisted steering drive system, brake air drive system of pump.
Handover module includes diode D5 and diode D6.
A kind of standby boosting electric supply installation of electric automobile set forth in the present invention, its advantage is:With prior art Compare, the electric automobile standby boosting electric supply installation of the present invention adopts adjustable booster circuit, and the low-voltage of low tension battery group is turned Become high voltage, then export to next stage equipment after rectifier circuit rectifies, therefore when the high-tension battery group of electric automobile is sent out During raw fault, then driven by the steering that high-tension battery group is powered, the air pump etc. that brakes all can quit work, the electronic vapour of the present invention Car standby boosting electric supply installation can instantaneously replace high-tension battery group to provide high voltage to drive to steering, brake air pump etc..
A kind of standby boosting electric power system of electric automobile set forth in the present invention, its advantage is:With prior art Compare, the electric automobile standby boosting electric power system of the present invention is by defeated to CAN communication and booster power module itself The situation of change going out electric current judges whether high-tension battery group is abnormal:If high-tension battery group is not abnormal, by high-tension battery group There is provided high voltage through handover module to power-equipment;If high-tension battery group exists extremely, high pressure is disconnected by handover module Set of cells and the connection of power-equipment, and provide high voltage to power-equipment it is ensured that electric automobile moves by booster power module The continual power supply of power equipment.
Brief description
Fig. 1 is the structured flowchart of the electric automobile standby boosting electric supply installation of the embodiment of the present invention.
Fig. 2 is the electric automobile standby boosting electric supply installation circuit diagram of the embodiment of the present invention.
Fig. 3 is the structured flowchart of the electric automobile standby boosting electric power system of the embodiment of the present invention.
Fig. 4 is another structured flowchart of the electric automobile standby boosting electric power system of the embodiment of the present invention.
Description of reference numerals:
100th, low tension battery group;200th, adjustable booster circuit;300th, rectification circuit;400th, high-tension battery group;500th, boost Power module;600th, handover module;700th, power-equipment;800th, CAN;900th, entire car controller.
Specific embodiment
It is next with specific embodiment below in conjunction with the accompanying drawings that the invention will be further described.
Refer to shown in Fig. 1, that show the tool of electric automobile of the present invention standby boosting electric supply installation preferred embodiment Body mount structure, it includes low tension battery group 100, adjustable booster circuit 200 and rectification circuit 300;
The input of adjustable booster circuit 200 is connected with low tension battery group 100, the outfan of adjustable booster circuit 200 with The input of rectification circuit 300 connects;
The low-voltage of low tension battery group 100 is transformed into high voltage by adjustable booster circuit 200, then through rectification circuit 300 Export after rectification.
Standby for electric automobile in embodiment of the present invention boosting electric supply installation is adopted adjustable booster circuit 200, by low pressure The low-voltage of set of cells 100 is transformed into high voltage, then exports to next stage equipment after rectification circuit 300 rectification, therefore when When the high-tension battery group of electric automobile breaks down, then driven by the steering that high-tension battery group is powered, the air pump etc. that brakes all can Quit work, the electric automobile of the present invention standby boosting electric supply installation can instantaneously replace high-tension battery group to provide high voltage to turning To driving, brake air pump etc..
Refer to shown in Fig. 2, which show the electricity of the preferred embodiment of electric automobile of the present invention standby boosting electric supply installation Lu Tu, wherein adjustable booster circuit 200 includes transformator TR1, transformator TR2, switching device Q1, switching device Q2, derailing switch Part Q3, switching device Q4, input capacitance C1, input capacitance C2 and resonant capacitance C3.
Transformator TR1 former limit the first pin 11 connects low tension battery group negative pole, transformator TR1 former limit by switching device Q1 3rd pin 13 connects low tension battery group negative pole, transformator TR1 former limit second pin 12 and low tension battery by switching device Q2 Group BAT1 positive pole connects, and transformator TR1 former limit second pin 12 is connected to low tension battery group BAT1 also by input capacitance C1 and bears Pole.
Transformator TR2 former limit the first pin 21 connects low tension battery group negative pole, transformator TR2 former limit by switching device Q3 3rd pin 23 connects low tension battery group negative pole, transformator TR2 former limit second pin 22 and low tension battery by switching device Q4 Group BAT1 positive pole connects, and transformator TR1 former limit second pin 22 is connected to low tension battery group BAT1 also by input capacitance C2 and bears Pole.
The second pin 15 of transformator TR1 secondary passes through resonant capacitance C3 and transformator TR2 secondary the first pin 24 connects, Resonant capacitance C3 is positioned in the middle of two transformators, and its advantage is advantageous for PCB layout, thus reducing overall dimensions;Simultaneously Loop area can also be reduced, reduce parasitic parameter, improve output characteristics.
Preferably, switching device Q1, switching device Q2, switching device Q3, switching device Q4 are respectively adopted golden oxygen Half field effect transistor or insulated gate bipolar transistor.
Preferably, the voltage of low tension battery group is 12 volts or 24 volts.
Rectification circuit 300 include commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4 with And output capacitance C4.
Transformator TR1 secondary the first pin 14 respectively with the positive pole of commutation diode D1 and the company of commutation diode D3 negative pole Connect.
Transformator TR2 secondary second pin 25 respectively with the positive pole of commutation diode D2 and the company of commutation diode D4 negative pole Connect.
One end of output capacitance C4 respectively with the negative pole of commutation diode D1 and the connection of commutation diode D2 negative pole.
The other end of output capacitance C4 respectively with the positive pole of commutation diode D3 and the connection of commutation diode D4 positive pole.
Rectification circuit 300 connects output capacitance C4, and output capacitance C4 plays output filter action.
Adjustable booster circuit 200, by the way of two groups of transformer secondary Voltage Series export, is compared only with one group of transformation Device, its advantage is that the power of single transformer only has the half of total transformer efficiency, and single switch device power demand is also corresponding Halve, be conducive to parts selection design and heat dissipation design;Simultaneously as the single transformer turn ratio is also only compared only being become with one group The half of depressor, transformer primary side, secondary can be compacter around being obtained, thus reducing transformer primary side leakage inductance, and then drop The spike of low switch device, improves power-efficient.
Refer to shown in Fig. 3, that show the tool of electric automobile of the present invention standby boosting electric power system preferred embodiment Body mount structure, it includes high-tension battery group 400, booster power module 500, handover module 600, power-equipment 700, CAN 800 and entire car controller 900.
Booster power module 500 includes the electric automobile standby boosting electric supply installation of technique scheme.
High-tension battery group 400 and booster power module 500 are connected by handover module 600 and power-equipment 700 respectively.
Entire car controller 900 is connected with booster power module 500 and power-equipment 700 respectively by CAN 800.
A kind of electric automobile standby boosting electric power system that the embodiment of the present invention illustrates, its advantage is:With existing Technology is compared, and the electric automobile of the present invention standby boosting electric power system is by communicating to CAN 800 and booster power module The situation of change of itself output current judges whether high-tension battery group 400 is abnormal:If high-tension battery group 400 is not abnormal, There is provided high voltage by high-tension battery group 400 through handover module 600 to power-equipment 700;If high-tension battery group 400 exists different Often, then the connection of high-tension battery group 400 and power-equipment 700 is disconnected by handover module 600, and by booster power module 500 There is provided high voltage to power-equipment 700 it is ensured that the continual power supply of electric powered motor equipment 700.
In general, low tension battery group 100 is relatively easy, and the probability that breaks down is less;And high-tension battery group 400 and low pressure Set of cells 100 go wrong simultaneously fault probability then less.In the standby booster system of electric automobile of the embodiment of the present invention, when When high-tension battery group 400 breaks down for electricity output, can be by the low-voltage of low tension battery group 100 through booster power module 500 It is converted into high voltage after boosting, provide the short time to power so that these close to important power-equipments 700 some on electric automobile Key member can run a period of time, then traffic safety can be greatly enhanced.
Wherein, power-equipment 700 includes power-assisted steering drive system, brake air drive system of pump.
Refer to shown in Fig. 4, that show electric automobile of the present invention standby boosting another preferred embodiment of electric power system Concrete mount structure, wherein handover module 600 includes diode D5 and diode D6.
The above, be only present pre-ferred embodiments, not the technical scope of the present invention imposed any restrictions, therefore Any trickle amendment, equivalent variations and modification that every technical spirit according to the present invention is made to above example, all still belong to In the range of technical solution of the present invention.

Claims (8)

1. electric automobile standby boosting electric supply installation it is characterised in that:Including low tension battery group, adjustable booster circuit and rectification Circuit;
The input of described adjustable booster circuit is connected with described low tension battery group, the outfan of described adjustable booster circuit with whole The input of current circuit connects;
The low-voltage of described low tension battery group is transformed into high voltage by described adjustable booster circuit, more whole through described rectification circuit Export after stream.
2. electric automobile according to claim 1 standby boosting electric supply installation it is characterised in that:Described adjustable booster circuit Including transformator TR1, transformator TR2, switching device Q1, switching device Q2, switching device Q3, switching device Q4, input capacitance C1, input capacitance C2 and resonant capacitance C3;
Described transformator TR1 former limit the first pin meets low tension battery group negative pole, described transformator TR1 by described switching device Q1 Former limit the 3rd pin meets low tension battery group negative pole, described transformator TR1 former limit second pin and institute by described switching device Q2 State low tension battery group positive pole to connect, described transformator TR1 former limit second pin is connected to described also by described input capacitance C1 Low tension battery group negative pole;
Described transformator TR2 former limit the first pin meets low tension battery group negative pole, described transformator TR2 by described switching device Q3 Former limit the 3rd pin meets low tension battery group negative pole, described transformator TR2 former limit second pin and institute by described switching device Q4 State low tension battery group positive pole to connect, described transformator TR2 former limit second pin is connected to described also by described input capacitance C2 Low tension battery group negative pole;
Described transformator TR1 secondary second pin passes through described resonant capacitance C3 and described transformator TR2 secondary the first pin connects Connect.
3. electric automobile according to claim 2 standby boosting electric supply installation it is characterised in that:Described rectification circuit includes Commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4 and output capacitance C4;
Described transformator TR1 secondary the first pin is born with the positive pole of described commutation diode D1 and described commutation diode D3 respectively The connection of pole;
Described transformator TR2 secondary second pin is born with the positive pole of described commutation diode D2 and described commutation diode D4 respectively The connection of pole;
One end of described output capacitance C4 respectively with the negative pole of described commutation diode D1 and described commutation diode D2 negative pole Connect;
The other end of described output capacitance C4 positive pole and the described commutation diode D4 positive pole with described commutation diode D3 respectively Connection.
4. according to the arbitrary described electric automobile of claims 1 to 3 standby boosting electric supply installation it is characterised in that:Described switch Device Q1, switching device Q2, switching device Q3, switching device Q4 are respectively adopted metal-oxide half field effect transistor or insulated gate bipolar Transistor.
5. according to the arbitrary described electric automobile of claims 1 to 3 standby boosting electric supply installation it is characterised in that:Described low pressure The voltage of set of cells is 12 volts or 24 volts.
6. a kind of electric automobile standby boosting electric power system it is characterised in that:Including high-tension battery group, booster power module, cut Die change block, power-equipment, CAN and entire car controller;
Described booster power module includes the standby boosting electric supply installation of the arbitrary described electric automobile of claim 1 to 5;
Described high-tension battery group and described booster power module pass through described handover module and the connection of described power-equipment respectively;
Described entire car controller is connected with described booster power module and described power-equipment respectively by described CAN.
7. electric automobile according to claim 6 standby boosting electric power system it is characterised in that:Described power-equipment includes Power-assisted steering drive system, brake air drive system of pump.
8. electric automobile according to claim 6 standby boosting electric supply installation it is characterised in that:Described handover module includes Diode D5 and diode D6.
CN201610871683.7A 2016-09-29 2016-09-29 The spare boosting power supply unit of electric car and system Active CN106452081B (en)

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CN201610871683.7A CN106452081B (en) 2016-09-29 2016-09-29 The spare boosting power supply unit of electric car and system

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Application Number Priority Date Filing Date Title
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CN106452081B CN106452081B (en) 2018-12-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107054093A (en) * 2017-04-10 2017-08-18 深圳市知行智驱技术有限公司 Electric automobile double-cricuit supply switching device, control system and control method
CN112519580A (en) * 2019-09-17 2021-03-19 顺丰科技有限公司 Vehicle control system and control method

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CN101689808A (en) * 2007-06-28 2010-03-31 新电元工业株式会社 bidirectional dc/dc converter
CN202818111U (en) * 2012-06-14 2013-03-20 山东电力集团公司 Boosting LLC resonant converter
WO2015070047A9 (en) * 2013-11-07 2015-07-16 Rompower Energy Systems, Inc. Soft switching converter with dual transformer by steering the magnetizing current
CN105584520A (en) * 2014-11-17 2016-05-18 比亚迪股份有限公司 Steering power system of electric vehicle and control method for steering power system
CN206948185U (en) * 2016-09-29 2018-01-30 深圳市知行智驱技术有限公司 The standby boosting electric supply installation of electric automobile

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Publication number Priority date Publication date Assignee Title
JPH0583939A (en) * 1991-09-13 1993-04-02 Toko Inc Dc-dc converter
CN101689808A (en) * 2007-06-28 2010-03-31 新电元工业株式会社 bidirectional dc/dc converter
CN202818111U (en) * 2012-06-14 2013-03-20 山东电力集团公司 Boosting LLC resonant converter
WO2015070047A9 (en) * 2013-11-07 2015-07-16 Rompower Energy Systems, Inc. Soft switching converter with dual transformer by steering the magnetizing current
CN105584520A (en) * 2014-11-17 2016-05-18 比亚迪股份有限公司 Steering power system of electric vehicle and control method for steering power system
CN206948185U (en) * 2016-09-29 2018-01-30 深圳市知行智驱技术有限公司 The standby boosting electric supply installation of electric automobile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107054093A (en) * 2017-04-10 2017-08-18 深圳市知行智驱技术有限公司 Electric automobile double-cricuit supply switching device, control system and control method
CN112519580A (en) * 2019-09-17 2021-03-19 顺丰科技有限公司 Vehicle control system and control method
CN112519580B (en) * 2019-09-17 2022-10-21 顺丰科技有限公司 Vehicle control system and control method

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