CN105818708B - A kind of batter-charghing system and method - Google Patents
A kind of batter-charghing system and method Download PDFInfo
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- CN105818708B CN105818708B CN201610255623.2A CN201610255623A CN105818708B CN 105818708 B CN105818708 B CN 105818708B CN 201610255623 A CN201610255623 A CN 201610255623A CN 105818708 B CN105818708 B CN 105818708B
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- Prior art keywords
- power battery
- controller
- control switch
- feedback current
- temperature
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from 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
- Y02T10/70—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention discloses a kind of batter-charghing system and method, the purpose that can also charge at low ambient temperatures using feedback current to power battery is realized.Wherein, the system comprises power battery, controller, heater, the first control switch and the second control switches;Power battery is connect with controller, and controller is connect by the first control switch with heater, and controller is connect by the second control switch with the power battery;Controller, the feedback current generated when for obtaining motor braking, and the temperature of the power battery is obtained, if the temperature of power battery is less than or equal to preset temperature, the first control switch is opened, feedback current is delivered to heater;If the temperature of power battery is greater than the preset temperature, second control switch is opened, feedback current is delivered to power battery, is charged to power battery;Heater, for being heated to power battery.
Description
Technical field
The present invention relates to electric car field more particularly to a kind of batter-charghing system and methods.
Background technique
With the continuous expansion in short supply and air pollution of petroleum-based energy, electric car (Electrical Vehicle,
EV development) is more and more important.Electric car generally comprise pure electric automobile (Battery Electrical Vehicle,
) and hybrid vehicle (Hybrid Electric Vehicle, HEV) BEV.Electric car has the characteristics that critically important, that is just
It is that feedback current can be generated when being braked using motor, the feedback current is generally used for charging to power battery.
However, current power battery does not allow to charge at low temperatures, therefore at low ambient temperatures, electric car into
The feedback current that row braking generates can not just charge for power battery, thus cause the waste of this part feedback current.
Summary of the invention
In order to solve technical problem of the existing technology, the present invention provides a kind of batter-charghing system and method, realizes
At low ambient temperatures it can also be charged using feedback current to power battery, the effective and reasonable mesh using feedback current
's.
The embodiment of the invention provides a kind of batter-charghing system, the system comprises: power battery, controller, heating
Device, the first control switch and the second control switch;
The power battery is connect with the controller, and the controller passes through first control switch and the heating
Device connection, the controller are connect by second control switch with the power battery;
The controller, the feedback current generated when for obtaining motor braking, and the temperature of the power battery is obtained,
If the temperature of the power battery is less than or equal to preset temperature, first control switch is opened, by the feedback electricity
Stream is delivered to the heater;If the temperature of the power battery is greater than the preset temperature, opens second control and open
It closes, the feedback current is delivered to the power battery, is charged to the power battery;
The heater, for being heated to the power battery.
Preferably, the controller includes battery manager and electric machine controller;
The power battery is connect with the battery manager, and the battery manager is connect with the electric machine controller;
The electric machine controller is connect by first control switch with the heater, and the electric machine controller passes through described second
Control switch is connect with the power battery;
The electric machine controller, the feedback current generated when for obtaining motor braking, and sent out to the battery manager
Send feed stream process request back to;
The battery manager requests for being handled according to the feedback current, obtains the temperature of the power battery, if
The temperature of the power battery is less than or equal to preset temperature, then first control switch is opened, so that the motor control
The feedback current is delivered to the heater by device;If the temperature of the power battery is greater than the preset temperature, open
Second control switch, so that the feedback current is delivered to the power battery by the electric machine controller, to described
Power battery charges.
Preferably, the system also includes entire car controller, the electric machine controller is connect with the entire car controller, institute
Entire car controller is stated to connect with the battery manager;
The electric machine controller, the feedback current that generates when specifically for obtaining motor braking, and to the full-vehicle control
Device sends feedback current processing request;
The entire car controller, after handling request according to the feedback current, Xiang Suoshu battery manager is sent back
Supply current process instruction.
Preferably, first control switch is the first relay.
Preferably, second control switch is the second relay.
Preferably, the heater is heating film, heating plate or heating sheet.
The embodiment of the invention also discloses a kind of method for charging batteries, which comprises
The feedback current generated when obtaining motor braking;
The temperature of power battery is obtained, if the temperature of the power battery is less than or equal to preset temperature, described will be returned
Supply current is delivered to heater, is heated by the heater to the power battery;If the temperature of the power battery is big
In the preset temperature, then the feedback current is delivered to the power battery, to charge to the power battery.
Preferably, the heater is heating film, heating plate or heating sheet.
In the present invention, the controller obtains the feedback current generated when motor braking, and obtains the power battery
Temperature.If the temperature of the power battery is less than or equal to preset temperature, that is, think that the temperature of powered cell is too low and leads
Cause feedback current can not be directly to the power battery charging, by opening first between the controller and the heater
Control switch, so that it may so that the feedback current is conveyed to the heater by the controller, by the heater to institute
Power battery is stated to be heated.When the power battery is heated on preset temperature, then can open the controller with
The second control switch between the power battery, so that the feedback current is conveyed to the power electric by the controller
The feedback current of motor braking generation can also be given the purpose of the power battery charging to realize at low ambient temperatures by pond,
Improve energy utilization rate.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of batter-charghing system structural block diagram that the embodiment of the present invention one provides;
Fig. 2 is a kind of flow chart of method for charging batteries provided by Embodiment 2 of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, which is a kind of batter-charghing system structural block diagram that the embodiment of the present invention one provides.
Batter-charghing system provided in this embodiment includes:
Power battery 101, controller 102, heater 103, the first control switch 104 and the second control switch 105.
The power battery 101 is connect with the controller 102, and the controller 102 passes through first control switch
104 connect with the heater 103, and the controller 102 passes through second control switch 105 and the power battery 101
Connection.
The controller 102, the feedback current generated when for obtaining motor braking, and obtain the power battery 101
Temperature, if the temperature of the power battery 101 be less than or equal to preset temperature, open first control switch 104, with
The feedback current is delivered to the heater 103;If the temperature of the power battery 101 is greater than the preset temperature,
Second control switch 105 is opened, the feedback current is delivered to the power battery 101, to the power battery
101 charge.
The heater 103, for being heated to the power battery 101.
In the present embodiment, the controller 102 obtains the feedback current generated when motor braking, and obtains the power
The temperature of battery 101.If the temperature of the power battery 101 is less than or equal to preset temperature, that is, think the power battery 101
Temperature is too low and causes feedback current that can not charge directly to the power battery 101, by opening the controller 102 and institute
State the first control switch 104 between heater 103, so that it may so that the feedback current is conveyed to by the controller 102
The heater 103 heats the power battery 101 by the heater 103.When the power battery 101 is added
On heat to preset temperature, then the second control switch between the controller 102 and the power battery 101 can be opened
105, so that the feedback current is conveyed to the power battery 101 by the controller 102, to realize at low ambient temperatures,
The purpose that the power battery 101 can also be given to charge the feedback current that motor braking generates, improves energy utilization rate.
In practical applications, the controller 102 may include electric machine controller and battery manager.The power battery
101 connect with the battery manager, and the battery manager is connect with the electric machine controller;The electric machine controller passes through
First control switch 104 is connect with the heater 103, and the electric machine controller passes through second control switch 105
It is connect with the power battery 101.
The electric machine controller, the feedback current generated when for obtaining motor braking, and sent out to the battery manager
Send feed stream process request back to.
The battery manager requests for being handled according to the feedback current, obtains the temperature of the power battery 101
Degree opens first control switch 104, so that institute if the temperature of the power battery 101 is less than or equal to preset temperature
It states electric machine controller and the feedback current is delivered to the heater 103;If the temperature of the power battery 101 is greater than described
Preset temperature then opens second control switch 105 so that the electric machine controller feedback current is delivered to it is described
Power battery 101, to charge to the power battery 101.
Electric machine controller is usually used in controlling starting, operation, advance and retreat, speed, the stopping etc. of motor in electric automobile, is electronic vapour
The core control part of vehicle.In the present embodiment, the electric machine controller is used for the feedback current generated when obtaining motor braking,
And feedback current processing request is sent to the power battery manager after getting the feedback current.
In practical applications, battery manager can be power battery management system (Battery Management
System, BMS) all or part of, the power battery management system is mainly used for being monitored power battery.It is common
The type of power battery include battery, lithium battery etc..
Certainly, in practical applications, the feedback current that motor once brakes generation may not be enough to heater 103 for institute
State feedback current that power battery 101 is heated on the preset temperature, and generates every time with when braking motor it is anti-
The variation of the size of torque and change, it is sometimes big sometimes small, in such a case, it is possible to generate multiple feedback by repeatedly braking
Electric current, to carry out continued power to the heater 103.
The heater 103 can be heating sheet, heating film, electric hot plate etc., and the present invention is not specifically limited, actually answer
In, choosing life length and impact-resistant heater.
First control switch 104 and second control switch 105 can be relay, be also possible to other controls
Switch, the present invention is not specifically limited.
In addition, in practical applications, the batter-charghing system can also have entire car controller participation, the motor control
Device is connect with the entire car controller, and the entire car controller is connect with the battery manager.The electric machine controller, specifically
The feedback current generated when for obtaining motor braking, and feedback current processing request is sent to the entire car controller.It is described
Entire car controller, after handling request according to the feedback current, Xiang Suoshu battery manager sends feedback current processing and refers to
It enables.The electric machine controller executes the temperature for obtaining the power battery 101 after receiving the feedback current process instruction
Deng operation.
Based on a kind of batter-charghing system that above embodiments provide, it is real that the present invention also provides a kind of method for charging batteries
Example is applied, is described in detail its working principle with reference to the accompanying drawing.
Embodiment two
Referring to fig. 2, which is a kind of flow chart of method for charging batteries provided by Embodiment 2 of the present invention.
Method for charging batteries provided in this embodiment includes:
Step S101: the feedback current generated when obtaining motor braking.
Step S102: obtaining the temperature of power battery, if the temperature of the power battery is less than or equal to preset temperature,
The feedback current is delivered to heater, the power battery is heated by the heater;If the power battery
Temperature be greater than the preset temperature, then the feedback current is delivered to the power battery, with to the power battery into
Row charging.
In the present embodiment, after motor braking generates feedback current, the feedback current is obtained, also, described in acquisition
The temperature of power battery, if the temperature of the power battery is less than or equal to preset temperature, then it is assumed that the power battery temperature
It spends low and causes feedback current can not be directly to the power battery charging, then being first delivered to the feedback current described
Heater heats the power battery by the heater.Described in being greater than when the temperature for being heated to the power battery
The feedback current is then delivered to the power battery by preset temperature, is realized at low ambient temperatures, what motor braking generated
Feedback current still is able to the purpose to charge to the power battery, improves energy utilization rate.
When introducing elements of various embodiments of the present invention, the article " one ", "one", " this " and " described " be intended to
Indicate one or more elements.Word "include", "comprise" and " having " are all inclusive and mean in addition to listing
Except element, there can also be other elements.
It should be noted that those of ordinary skill in the art will appreciate that realizing the whole in above method embodiment or portion
Split flow is relevant hardware can be instructed to complete by computer program, and the program can be stored in a computer
In read/write memory medium, the program is when being executed, it may include such as the process of above-mentioned each method embodiment.Wherein, the storage
Medium can be magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
Access Memory, RAM) etc..
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for method reality
For applying example, since it is substantially similar to system embodiment, so describing fairly simple, related place is referring to system embodiment
Part explanation.System embodiment described above is only schematical, wherein described be used as separate part description
Unit and module may or may not be physically separated.Furthermore it is also possible to select it according to the actual needs
In some or all of unit and module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying
In the case where creative work, it can understand and implement.
The above is only a specific embodiment of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of batter-charghing system, which is characterized in that the system comprises: power battery, controller, entire car controller add
Hot device, the first control switch and the second control switch;
The power battery is connect with the controller, and the controller is connected by first control switch and the heater
It connects, the controller is connect by second control switch with the power battery;
The controller, the feedback current generated when for obtaining motor braking, and the temperature of the power battery is obtained, if institute
The temperature for stating power battery is less than or equal to preset temperature, then opens first control switch, and the feedback current is defeated
It send to the heater;If the temperature of the power battery is greater than the preset temperature, second control switch is opened, with
The feedback current is delivered to the power battery, is charged to the power battery;
The heater, for being heated to the power battery
Wherein, the controller includes battery manager and electric machine controller;
The power battery is connect with the battery manager, and the electric machine controller is connect with the entire car controller, described
Entire car controller is connect with the battery manager;The electric machine controller passes through first control switch and the heater
Connection, the electric machine controller are connect by second control switch with the power battery;
The electric machine controller, the feedback current generated when for obtaining motor braking, and sent back to the entire car controller
Feed stream process request;
The entire car controller, after handling request according to the feedback current, Xiang Suoshu battery manager sends back feed
Stream process instruction;
The battery manager requests for being handled according to the feedback current, the temperature of the power battery is obtained, if described
The temperature of power battery is less than or equal to preset temperature, then opens first control switch, so that the electric machine controller will
The feedback current is delivered to the heater;If the temperature of the power battery be greater than the preset temperature, open described in
Second control switch, so that the feedback current is delivered to the power battery by the electric machine controller, to the power
Battery charges.
2. system according to claim 1, which is characterized in that first control switch is the first relay.
3. system according to claim 1, which is characterized in that second control switch is the second relay.
4. system according to claim 1, which is characterized in that the heater is heating film, heating plate or heating sheet.
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CN201610255623.2A CN105818708B (en) | 2016-04-21 | 2016-04-21 | A kind of batter-charghing system and method |
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CN201610255623.2A CN105818708B (en) | 2016-04-21 | 2016-04-21 | A kind of batter-charghing system and method |
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CN105818708B true CN105818708B (en) | 2019-04-26 |
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Families Citing this family (14)
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CN106476644B (en) * | 2016-10-28 | 2020-05-29 | 安徽江淮汽车集团股份有限公司 | Heating control system and method for low-voltage hybrid power battery |
CN107069145B (en) * | 2016-12-09 | 2020-04-24 | 国网北京市电力公司 | Power battery heating device in electric automobile |
CN108357367A (en) * | 2018-01-10 | 2018-08-03 | 宁波吉利汽车研究开发有限公司 | A kind of heating of power battery and cooling control system and method |
CN110752389A (en) * | 2018-07-24 | 2020-02-04 | 湖南中车时代电动汽车股份有限公司 | Vehicle integrated thermal management system |
CN110690483B (en) * | 2019-09-20 | 2021-03-30 | 中国第一汽车股份有限公司 | Cold starting device and control method for fuel cell |
CN110626213B (en) * | 2019-09-23 | 2021-04-30 | 中国第一汽车股份有限公司 | Power battery heating device of electric automobile and control method |
CA3166723A1 (en) * | 2020-09-27 | 2022-03-31 | Zoomlion Intelligent Access Machinery Co., Ltd. | Lithium battery system and overhead working truck |
CN112259829B (en) * | 2020-09-27 | 2022-01-28 | 湖南中联重科智能高空作业机械有限公司 | Lithium battery system and aerial working vehicle |
CN112260342B (en) * | 2020-09-27 | 2022-01-28 | 湖南中联重科智能高空作业机械有限公司 | Lithium battery system and aerial working vehicle |
CN112389275B (en) * | 2020-11-16 | 2022-03-29 | 睿驰电装(大连)电动系统有限公司 | Safety control method and device based on electric drive active heating mode |
CN112910068A (en) * | 2020-11-23 | 2021-06-04 | 湖南中联重科智能高空作业机械有限公司 | Control device for motor driver, motor driver and overhead working truck |
DE102021102352A1 (en) | 2021-02-02 | 2022-08-04 | Audi Aktiengesellschaft | Method for operating at least one electromechanical actuator of a motor vehicle and motor vehicle |
CN113752915B (en) * | 2021-08-23 | 2023-05-12 | 合众新能源汽车股份有限公司 | Intelligent battery thermal management method |
CN116587891A (en) * | 2023-03-03 | 2023-08-15 | 宇通客车股份有限公司 | Method and device for improving endurance of pure electric vehicle |
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GB2416631B (en) * | 2004-07-23 | 2007-12-12 | Ford Motor Co | Energy management system and method |
CN103427137B (en) * | 2013-08-20 | 2015-10-07 | 重庆长安汽车股份有限公司 | The low-temperature charging heating system of power battery of pure electric automobile and heating means |
CN103457318A (en) * | 2013-08-20 | 2013-12-18 | 重庆长安汽车股份有限公司 | Power cell charging and heating system and method of pure electric vehicle |
CN103560304B (en) * | 2013-11-19 | 2016-05-04 | 东风汽车公司 | A kind of electric automobile power battery group method for heating and controlling |
CN103887578B (en) * | 2014-03-25 | 2016-03-30 | 东风汽车公司 | Improve electrokinetic cell heating means and the system of electric automobile low temperature course continuation mileage |
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Effective date of registration: 20200923 Address after: 201805 room 1703, No. 888, South Moyu Road, Anting Town, Jiading District, Shanghai Patentee after: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: Hunnan rookie street Shenyang city Liaoning province 110179 No. 2 Patentee before: NEUSOFT Corp. Patentee before: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. |