CN105978076B - A kind of moveable electric car continuation of the journey charging unit - Google Patents

A kind of moveable electric car continuation of the journey charging unit Download PDF

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Publication number
CN105978076B
CN105978076B CN201610404077.4A CN201610404077A CN105978076B CN 105978076 B CN105978076 B CN 105978076B CN 201610404077 A CN201610404077 A CN 201610404077A CN 105978076 B CN105978076 B CN 105978076B
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CN
China
Prior art keywords
charging
battery
management system
electric car
battery management
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Expired - Fee Related
Application number
CN201610404077.4A
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Chinese (zh)
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CN105978076A (en
Inventor
辛建宏
李伟
姚平
姚一平
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Priority to CN201610404077.4A priority Critical patent/CN105978076B/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods 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 the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to a kind of moveable electric car continuation of the journey charging units.It is equipped with battery group, contactor, inverter, DC charging motor and battery management system in mobile tank, detection circuit, single-chip microcontroller and CAN communication bus are equipped in battery management system, CAN communication bus is for the communication with electric vehicle battery system.Battery management system detects battery group, fault alarm and safeguard protection, realizes the management to battery group;And can control contactor, thus control battery group access inverter carry out AC charging or access DC charging motor carry out DC charging.The present apparatus is equipped with mobile charging mode and starts switch the request whether travelled to electric vehicle battery system sending in charging to control battery management system.The present apparatus makes electric car that can realize exchanging trickle charge or direct current charge whenever and wherever possible, also can be realized and travels in charging, solves the problems, such as electric car continual mileage.

Description

A kind of moveable electric car continuation of the journey charging unit
Technical field
The invention belongs to technical field of electric power, in particular to a kind of moveable electric car continuation of the journey charging unit.
Background technique
With the maturation and development of electric car items technology, in addition the advantages such as environmental protection, saving, subsidy, tax reduction, electronic vapour Vehicle is increasingly by the concern of consumer.It is limited to current battery technology, the course continuation mileage of electric car always is very Big problem influences the popularization of electric car.
In order to solve the problems, such as electric car course continuation mileage, people have invented vehicle-mounted mobile power supply, can pass through vehicle-mounted hair Motor is that the electric car of " lying prone " on the way rescues charging;Also someone has invented the same vehicle-mounted standby electricity of similar mobile phone charge pal Source is the electric car electric energy supplement of not enough power supply.However the above-mentioned method remedied is rescued in the case where vehicle lay-off Charging is helped, electric car must could continue to travel, can not accomplish to travel immediately until being charged to certain electricity.For this purpose, there is human hair The mobile power source of trailer fashion, the power supply that a generator is pulled behind electric car or is made of battery, one side is illustrated Traveling is charging batteries of electric automobile on one side.But this trailer had not only seemed heavy, but also influenced road safety.
Optimal solution is that electric car can be made to travel in charging.But since current electric car is external It is another to terminate on electric car charging interface on one end Jie charging pile of charging cable when DC charging, not taken when preventing charging Lower charging cable both starts vehicle and the accident for forgetting about it charging pile occurs, and electric vehicle battery system is specially provided with by software Forbid the limitation of vehicle launch in charging process, therefore, electric car can not be accomplished to travel in charging at present, need from technology In the case where charging unit is put onboard, release the battery system of electric car forbids traveling restricted problem for upper solution.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of moveable electric car continuation of the journey charging units.
Battery group 2, contactor 3, inverter 4, DC charging motor 5 and battery management system are equipped in mobile tank 1 System 6, battery management system 6 is interior to be equipped with detection circuit, single-chip microcontroller and CAN communication bus;
The battery management system 6 is connect with battery group 2, to carry out voltage, electric current, temperature, lotus to battery group 2 The management to battery group 2 is realized in the detection of electricity condition and insulation resistance, fault alarm, safeguard protection;
The battery management system 6 and battery group 2 are connect with contactor 3 respectively, the end AC of the contactor 3, inversion Power supply 4 is sequentially connected with accessory power outlet 8 is exchanged, and the end DC of contactor 3, DC charging motor 5, direct current output socket 9 are sequentially connected with; Battery management system 6 to the end AC of control contactor 3 or being switched on or switched off for the end DC, thus control battery group 2 access it is inverse Variable power source 4 carries out AC charging or access DC charging motor 5 carries out DC charging;
The CAN communication bus of the battery management system 6 is connect with CAN bus communication interface 7, to electric with electric car CAN communication bus connection in the administrative unit of pond;
The battery management system 6 starts switch 11 connections with mobile charging mode, and the mobile charging mode opens Dynamic switch 11 is to control whether battery management system 6 issues asking of travelling when charging to the battery management unit of electric car It asks;
The battery group 2 is connect with charging input socket 10, to the charging of its own.
The invention has the benefit that
Compared with prior art, a kind of moveable electric car continuation of the journey charging unit provided by the invention, electric car Exchanging trickle charge or direct current charge can be realized whenever and wherever possible, also be can be realized and are travelled in charging.The present apparatus is easy to carry, not shadow Road safety is rung, solves the problems, such as electric car continual mileage.The present apparatus uses packaged type cabinet, can both place In charging site, is taken when needing, can also be placed on electric car, use at any time.The present apparatus can according to space requirement, It is designed to different storage electricity, meets different charge requirements.The present apparatus can be also used for setting other electric appliances used in everyday It is standby to be powered.
Detailed description of the invention
Fig. 1 is a kind of moveable electric car continuation of the journey charging unit schematic diagram;
Label declaration: 1- mobile tank, 2- battery group, 3- contactor, 4- inverter, 5- DC charging motor, 6- Battery management system, 7-CAN bus communication interface, 8- exchange accessory power outlet, 9- direct current output socket, 10- charging input socket, 11- mobile charging mode starts switch.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.It is emphasized that following the description It is only exemplary, the range and its application being not intended to be limiting of the invention.
A kind of moveable electric car continuation of the journey charging unit as shown in Figure 1.It can be convenient promotion using with castor etc. Mobile tank 1, battery group 2, contactor 3, inverter 4, DC charging motor 5 and battery are equipped in mobile tank 1 Management system 6.Battery group 2 can be filled according to different energy requirements by nickel-metal hydride battery, lead-acid battery, lithium ion battery etc. Battery is made up of series-parallel combination.Equipped with detection circuit, single-chip microcontroller and standard all the way in battery management system 6 CAN communication bus.
The battery management system 6 is connect with battery group 2, to carry out voltage, electric current, temperature, lotus to battery group 2 The management to battery group 2 is realized in the detection of electricity condition and insulation resistance, fault alarm, safeguard protection.
The battery management system 6 and battery group 2 are connect with contactor 3 respectively, the end AC of the contactor 3, inversion Power supply 4 is sequentially connected with accessory power outlet 8 is exchanged, and the end DC of contactor 3, DC charging motor 5, direct current output socket 9 are sequentially connected with; Accessory power outlet 8 and direct current output socket 9 are exchanged using the electric car charging socket of standard, to meet filling for various electric cars Electricity requires.Battery management system 6 is to the end AC of control contactor 3 or being switched on or switched off for the end DC, to control battery group 2 It accesses inverter 4 and carries out AC charging or the access progress DC charging of DC charging motor 5.
The CAN communication bus of the battery management system 6 is connect with CAN bus communication interface 7, to electric with electric car Standard CAN communication bus connection in the administrative unit of pond.
The battery management system 6 starts switch 11 connections with mobile charging mode, and the mobile charging mode opens Dynamic switch 11 is to control whether battery management system 6 issues asking of travelling when charging to the battery management unit of electric car It asks.
The battery group 2 is connect with charging input socket 10, to the charging of its own.
When batteries of electric automobile group power shortage, the contactor 3 of the present apparatus is controlled by battery management system 6, makes battery group 2 It is connected with inverter 4, the exchange accessory power outlet 8 of the AC charging line insertion present apparatus of Vehicular charger, is electric car electricity The charging of pond group.Or when batteries of electric automobile group power shortage, the contactor 3 of the present apparatus is controlled by battery management system 6, makes electric power storage Pond group 2 and DC charging motor 5 are connected, and the direct current output socket 9 of the DC charging line insertion present apparatus of electric car, is electronic vapour Vehicle battery pack carries out quick charge.If electric car urgent need continues to travel, the present apparatus can be loaded on electric car, be pressed Lower mobile charging mode starts switch 11, and battery management system 6 is issued to electric vehicle battery system by communications protocol and gone Request is sailed, the battery management unit of electric car judges the row that this operating condition sends for moveable electric car continuation of the journey charging unit After sailing request, the order for releasing traveling limitation is issued to vehicle control unit of electric vehicle, electric car allows on one side by this Device is the charging of batteries of electric automobile group, is travelled on one side, meets emergency and requires.It, can be with when battery 2 power shortage of group of the present apparatus It is charged by external charging machine by the charging input socket 10 in the present apparatus for battery group 2.
Embodiment 1
When batteries of electric automobile group power shortage, electric car is static, and the AC charging line insertion of Vehicular charger is removable The exchange accessory power outlet 8 of dynamic electric car continuation of the journey charging unit, CAN bus communication interface 7 and batteries of electric automobile management are single CAN bus communication interface connection in member, battery management system 6 are judged as AC charging mode by communications protocol, and control connects Tentaculum 3 connects the end AC, connects battery group 2 and inverter 4, and electric current is converted to alternating current through inverter 4, fills to be vehicle-mounted Motor provides AC power source, charges to batteries of electric automobile group.After charging, AC charging line, electric car are removed Continue to travel.
Embodiment 2
When batteries of electric automobile group power shortage, electric car is static, and electric car direct current is inserted into DC charging line one end Charge port, the other end are inserted into the direct current output socket 9 of moveable electric car continuation of the journey charging unit, CAN bus communication interface 7 It connect with the CAN bus communication interface in batteries of electric automobile administrative unit, is judged by battery management system 6 by communications protocol For DC charging mode, control contactor 3 connects the end DC, connects battery group 2 and DC charging motor 5, is DC charging motor 5 Energy is provided, carries out DC charging to batteries of electric automobile group.At the end of charging, DC charging line, electric car are removed Continue to travel.
Embodiment 3
Moveable electric car continuation of the journey charging unit is placed in the boot of electric car, and CAN bus communication is connect Mouth 7 is connect with the CAN bus communication interface in batteries of electric automobile administrative unit.It, will be straight when batteries of electric automobile group power shortage Electric car direct-current charge port is inserted into current charge line one end, and the other end is inserted into the straight of moveable electric car continuation of the journey charging unit Accessory power outlet 9 is flowed, DC charging mode is judged as by communications protocol by battery management system 6, control contactor 3 connects DC End, connects battery group 2 and DC charging motor 5, provides energy for DC charging motor 5, carries out to batteries of electric automobile group straight Current charge.Mobile charging mode is pressed at this time and starts switch 11, and battery management system 6 is electric to electric car by communications protocol Cell system issues the request command for allowing to travel, and batteries of electric automobile administrative unit judges this operating condition for moveable electric car After the traveling request that charging unit of continuing a journey is sent, the order for releasing traveling limitation is issued to vehicle control unit of electric vehicle, it is electronic Automobile can continue to travel in the case where charging, i.e. permission electric car travels while charging.

Claims (1)

  1. The charging unit 1. a kind of moveable electric car is continued a journey, is equipped with battery group (2), contactor in mobile tank (1) (3), inverter (4), DC charging motor (5) and battery management system (6), the battery management system (6) and battery group (2) it is connect respectively with contactor (3), the end AC of the contactor (3), inverter (4) sequentially connect with accessory power outlet (8) is exchanged It connects, the end DC of contactor (3), DC charging motor (5), direct current output socket (9) are sequentially connected with;Battery management system (6) to The end AC of control contactor (3) or being switched on or switched off for the end DC carry out to control battery group (2) access inverter (4) AC charging or access DC charging motor (5) carry out DC charging;It is characterized in that, being equipped with detection in battery management system (6) Circuit, single-chip microcontroller and CAN communication bus;
    The battery management system (6) connect with battery group (2), to battery group (2) carry out voltage, electric current, temperature, The management to battery group (2) is realized in the detection of state-of-charge and insulation resistance, fault alarm, safeguard protection;
    The CAN communication bus of the battery management system (6) is connect with CAN bus communication interface (7), to electric with electric car CAN communication bus connection in the administrative unit of pond;
    The battery management system (6) starts switch (11) with mobile charging mode and connect, and the mobile charging mode opens What whether dynamic switch (11) travelled to the sending of batteries of electric automobile administrative unit in charging to control battery management system (6) Request;
    Moveable electric car continuation of the journey charging unit is placed in the boot of electric car, when batteries of electric automobile group power shortage When, electric car direct-current charge port is inserted into DC charging line one end, the other end is inserted into moveable electric car continuation of the journey charging The direct current output socket (9) of device is judged as DC charging mode by communications protocol by battery management system (6), and control connects Tentaculum (3) connects the end DC, connects battery group (2) and DC charging motor (5), energy is provided for DC charging motor (5), to electricity Electrical automobile battery pack carries out DC charging;It presses mobile charging mode at this time to start switch (11), battery management system (6) is logical It crosses communications protocol and issues the request command for allowing to travel to electric vehicle battery system, batteries of electric automobile administrative unit judges this Operating condition is after the traveling that moveable electric car continuation of the journey charging unit is sent is requested, to issue and solve to vehicle control unit of electric vehicle Except the order of traveling limitation;
    The battery group (2) connect with charging input socket (10), to the charging of its own.
CN201610404077.4A 2016-06-08 2016-06-08 A kind of moveable electric car continuation of the journey charging unit Expired - Fee Related CN105978076B (en)

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CN201610404077.4A CN105978076B (en) 2016-06-08 2016-06-08 A kind of moveable electric car continuation of the journey charging unit

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Application Number Priority Date Filing Date Title
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DE102016122008A1 (en) * 2016-11-16 2018-05-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft All-mains charger
CN106740203B (en) * 2016-12-21 2019-02-26 国联汽车动力电池研究院有限责任公司 A kind of electric car Portable movable battery pack and its application
CN107672476A (en) * 2017-11-03 2018-02-09 邓航 Automobile mobile charging device
CN107757412A (en) * 2017-11-13 2018-03-06 陕西法士特齿轮有限责任公司 A kind of charging system for electric automobile and method with charging safety protection function
CN109066916B (en) * 2018-09-28 2022-04-01 上汽通用五菱汽车股份有限公司 Charging and discharging control method of vehicle-mounted mobile power supply, mobile power supply base and automobile
CN110667413A (en) * 2019-09-29 2020-01-10 陕西科技大学 Emergency charging equipment for electric automobile
CN111063118A (en) * 2020-01-03 2020-04-24 夏振金 Automatic lease system for automobile shared charging bank
CN111731124A (en) * 2020-05-25 2020-10-02 东风柳州汽车有限公司 Mobile charging vehicle and charging method thereof

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CN204597569U (en) * 2015-05-15 2015-08-26 北京普莱德新能源电池科技有限公司 The portable charge power supply of electric automobile

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CN202817819U (en) * 2012-08-29 2013-03-20 定州市金华蓝天汽车零部件有限公司 Special-purpose solar charging system for 72V electric car
CN204597569U (en) * 2015-05-15 2015-08-26 北京普莱德新能源电池科技有限公司 The portable charge power supply of electric automobile

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