Nothing Special   »   [go: up one dir, main page]

CN103762398A - Low-temperature heating system of power battery and control method of system - Google Patents

Low-temperature heating system of power battery and control method of system Download PDF

Info

Publication number
CN103762398A
CN103762398A CN201410020993.9A CN201410020993A CN103762398A CN 103762398 A CN103762398 A CN 103762398A CN 201410020993 A CN201410020993 A CN 201410020993A CN 103762398 A CN103762398 A CN 103762398A
Authority
CN
China
Prior art keywords
battery
temperature
management system
heating
electrokinetic cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410020993.9A
Other languages
Chinese (zh)
Inventor
于铭汉
张君鸿
姜炜
孙全强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Zhixing Hongyuan Automobile Technology Co Ltd
Original Assignee
Beijing Zhixing Hongyuan Automobile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Zhixing Hongyuan Automobile Technology Co Ltd filed Critical Beijing Zhixing Hongyuan Automobile Technology Co Ltd
Priority to CN201410020993.9A priority Critical patent/CN103762398A/en
Publication of CN103762398A publication Critical patent/CN103762398A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/446Initial charging measures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/443Methods for charging or discharging in response to temperature
    • 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
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a low-temperature heating system of an electric automobile power battery and a control method of the system. The low-temperature heating system comprises a ground charging device, a battery management system, a relay and a heating unit, wherein the power battery is supplied with heating electric power by a low-voltage power supply of the ground charging device; when the power battery needs charging, firstly the battery management system judges whether a power battery system has fault, if not, whether the power battery meets the charging condition, whether an automobile is stopped, and whether the battery temperature reaches the lowest charging temperature are further checked. When all conditions, except the battery temperature, of the power battery are satisfied, a battery heating control mode is started, the temperature in a power battery tank is checked, when the tank temperature reaches the lowest charging temperature, the battery management system stops heating the battery, and a normal charging mode is entered, so that the power battery is heated. The low-temperature heating system and the control method thereof provided by the invention have the beneficial effects that the problem that the battery is difficult to charge or cannot be charged at low temperature is solved.

Description

A kind of electrokinetic cell low-temperature heating system and control method thereof
Technical field
The present invention relates to new energy sources for automobile technical field, be specifically related to a kind of electrokinetic cell low-temperature heating system and control method thereof.
Background technology
Along with the progressively popularization of electric automobile application, the environment of electric automobile operation also becomes increasingly complex.Current driving force battery faces the problem that charging is difficult, cannot charge in winter.Due to the temperature characterisitic of battery, under low temperature environment, cannot charge.For this reason, when battery needs charging, when battery the temperature inside the box is lower than uniform temperature simultaneously, first need first to electrokinetic cell, to be heated to allow, on the threshold value of charging, then just can carry out charging operations.
Summary of the invention
The object of this invention is to provide a kind of electrokinetic cell low-temperature heating system and control method, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
An electrokinetic cell low-temperature heating system, comprising: ground charging device, battery management system, relay, heater, described ground charging device provides the heating power supply of electrokinetic cell.
Further, first described battery management system judges whether electrokinetic cell system has fault, if there is no fault, reexamines electrokinetic cell and whether meets charge condition, and whether vehicle is in suspended state, and whether battery temperature reaches minimum charging temperature.
Further, described relay is controlled by battery management system.
Further, described heater is comprised of heating element, selector switch, heating power supply, control power supply.
The control method of above-mentioned electrokinetic cell low-temperature heating system, comprises the following steps:
1) charging device on ground is connected with the interface that fills soon of electric automobile by charging electric wire;
2) the outer charging source activated batteries management system of the 12V of the charging device on ground output, the outer charging source of 12V of the charging device on ground output is simultaneously to relay input;
3) battery management system is controlled negative pole contactor closure, and power battery cathode is connected, and by the feedback signal of negative pole contactor, judges that whether negative pole contactor is closed, if there is no closed battery guard system save data reporting fault;
4) battery management system detects temperature of powered cell T: if T >=T1+3 ℃ enters charge mode, wherein T1 is that electrokinetic cell can charge threshold; If T < is T1+3 ℃, enter following steps;
5) battery management system output heating control signal control relay action, relay output end enters the input of heater, and battery management system is controlled the selector switch that adds thermal control, each heating element of circulating-heating; And
6) temperature of battery management system monitoring electrokinetic cell, in the time of T=T1+3 ℃, stops electrokinetic cell heating, and battery management system control relay disconnects, and enters charge mode.
Beneficial effect of the present invention is: the problem that efficiently solve battery charging difficulty under cryogenic conditions, cannot charge.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the electrokinetic cell low-temperature heating system control circuit theory diagram described in the embodiment of the present invention.
Embodiment
A kind of electrokinetic cell low-temperature heating system described in the embodiment of the present invention, comprising: ground charging device, battery management system, relay, heater, and described ground charging device provides the heating power supply of electrokinetic cell; First described battery management system judges whether electrokinetic cell system has fault, if there is no fault, reexamines electrokinetic cell and whether meets charge condition, and whether vehicle is in suspended state, and whether battery temperature reaches minimum charging temperature; Described relay is controlled by battery management system; Described heater is comprised of heating element, selector switch, heating power supply, control power supply.
The control method of described electrokinetic cell low-temperature heating system, comprises the following steps:
1) charging device on ground is connected with the interface that fills soon of electric automobile by charging electric wire;
2) the outer charging source activated batteries management system of the 12V of the charging device on ground output, the outer charging source of 12V of the charging device on ground output is simultaneously to relay input;
3) battery management system is controlled negative pole contactor closure, and power battery cathode is connected, and by the feedback signal of negative pole contactor, judges that whether negative pole contactor is closed, if there is no closed battery guard system save data reporting fault;
4) battery management system detects temperature of powered cell T: if T >=T1+3 ℃ enters charge mode, wherein T1 is that electrokinetic cell can charge threshold; If T < is T1+3 ℃, enter following steps;
5) battery management system output heating control signal control relay action, relay output end enters the input of heater, and battery management system is controlled the selector switch that adds thermal control, each heating element of circulating-heating;
6) temperature of battery management system monitoring electrokinetic cell, in the time of T=T1+3 ℃, stops electrokinetic cell heating, and battery management system control relay disconnects, and enters charge mode.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.

Claims (4)

1. an electrokinetic cell low-temperature heating system, comprise ground charging device, battery management system, relay and heater, it is characterized in that: described ground charging device provides the heating power supply of electrokinetic cell, first described battery management system judges whether electrokinetic cell system has fault, if there is no fault, reexamine electrokinetic cell and whether meet charge condition, whether vehicle is in suspended state, and whether battery temperature reaches minimum charging temperature.
2. a kind of electrokinetic cell low-temperature heating system according to claim 1, is characterized in that: described relay is controlled by battery management system.
3. a kind of electrokinetic cell low-temperature heating system according to claim 1, is characterized in that: described heater is comprised of heating element, selector switch, heating power supply, control power supply.
4. a control method for electrokinetic cell low-temperature heating system, is characterized in that, comprises the following steps:
1) charging device on ground is connected with the interface that fills soon of electric automobile by charging electric wire;
2) the outer charging source activated batteries management system of the 12V of the charging device on ground output, the outer charging source of 12V of the charging device on ground output is simultaneously to relay input;
3) battery management system is controlled negative pole contactor closure, and power battery cathode is connected, and by the feedback signal of negative pole contactor, judges that whether negative pole contactor is closed, if there is no closed battery guard system save data reporting fault;
4) battery management system detects temperature of powered cell T: if T >=T1+3 ℃ enters charge mode, wherein T1 is that electrokinetic cell can charge threshold; If T < is T1+3 ℃, enter next step;
5) battery management system output heating control signal control relay action, relay output end enters the input of heater, and battery management system is controlled the selector switch that adds thermal control, each heating element of circulating-heating; And
6) temperature of battery management system monitoring electrokinetic cell, in the time of T=T1+3 ℃, stops electrokinetic cell heating, and battery management system control relay disconnects, and enters charge mode.
CN201410020993.9A 2014-01-16 2014-01-16 Low-temperature heating system of power battery and control method of system Pending CN103762398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410020993.9A CN103762398A (en) 2014-01-16 2014-01-16 Low-temperature heating system of power battery and control method of system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410020993.9A CN103762398A (en) 2014-01-16 2014-01-16 Low-temperature heating system of power battery and control method of system

Publications (1)

Publication Number Publication Date
CN103762398A true CN103762398A (en) 2014-04-30

Family

ID=50529596

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410020993.9A Pending CN103762398A (en) 2014-01-16 2014-01-16 Low-temperature heating system of power battery and control method of system

Country Status (1)

Country Link
CN (1) CN103762398A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576741A (en) * 2014-11-04 2016-05-11 丰田自动车株式会社 Battery system
CN105932363A (en) * 2016-05-16 2016-09-07 北京理工大学 Power source system self-heating method
CN106025444A (en) * 2016-08-01 2016-10-12 广州汽车集团股份有限公司 Battery heating control method in electrically driven vehicle, and system thereof
CN106229583A (en) * 2016-07-25 2016-12-14 北京理工大学 A kind of electrical storage device heating means carrying out based on LC resonance heating
CN107492696A (en) * 2017-05-08 2017-12-19 宝沃汽车(中国)有限公司 The control method and system and electric automobile of high-tension battery
CN107512179A (en) * 2016-06-15 2017-12-26 北京科易动力科技有限公司 A kind of electrokinetic cell system and the control method for the system
CN110534844A (en) * 2019-08-26 2019-12-03 北汽(常州)汽车有限公司 A kind of electrical heating method and system of power battery
CN110635183A (en) * 2019-09-23 2019-12-31 骆驼集团武汉光谷研发中心有限公司 Power battery system and charging method for low-temperature charging optimized heating strategy
CN111361457A (en) * 2018-12-26 2020-07-03 郑州宇通客车股份有限公司 Vehicle and heating control method of power battery of vehicle
CN113030737A (en) * 2021-04-30 2021-06-25 重庆长安新能源汽车科技有限公司 Power battery pulse heating reliability test method
CN113815492A (en) * 2020-06-18 2021-12-21 北京新能源汽车股份有限公司 Heating control method, device and equipment and automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101160686A (en) * 2005-04-25 2008-04-09 Lg化学株式会社 Battery pack management method for hev & ev
CN201928058U (en) * 2011-03-11 2011-08-10 威海天力电源科技有限公司 Highly-efficient safe storage battery charger
CN102208700A (en) * 2011-04-25 2011-10-05 奇瑞汽车股份有限公司 Automatic heating system of lithium-ion power battery for electric vehicle
CN102868188A (en) * 2011-07-05 2013-01-09 富士重工业株式会社 Electric charging system, electric vehicle and electric charger
CN103427137A (en) * 2013-08-20 2013-12-04 重庆长安汽车股份有限公司 Low-temperature charge and heating system and method for power battery for all-electric vehicles
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101160686A (en) * 2005-04-25 2008-04-09 Lg化学株式会社 Battery pack management method for hev & ev
CN201928058U (en) * 2011-03-11 2011-08-10 威海天力电源科技有限公司 Highly-efficient safe storage battery charger
CN102208700A (en) * 2011-04-25 2011-10-05 奇瑞汽车股份有限公司 Automatic heating system of lithium-ion power battery for electric vehicle
CN102868188A (en) * 2011-07-05 2013-01-09 富士重工业株式会社 Electric charging system, electric vehicle and electric charger
CN103427137A (en) * 2013-08-20 2013-12-04 重庆长安汽车股份有限公司 Low-temperature charge and heating system and method for power battery for all-electric vehicles
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

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576741A (en) * 2014-11-04 2016-05-11 丰田自动车株式会社 Battery system
CN105932363B (en) * 2016-05-16 2019-03-19 北京理工大学 A kind of self-heating method of power-supply system
CN105932363A (en) * 2016-05-16 2016-09-07 北京理工大学 Power source system self-heating method
CN107512179A (en) * 2016-06-15 2017-12-26 北京科易动力科技有限公司 A kind of electrokinetic cell system and the control method for the system
CN106229583A (en) * 2016-07-25 2016-12-14 北京理工大学 A kind of electrical storage device heating means carrying out based on LC resonance heating
CN106229583B (en) * 2016-07-25 2018-08-03 北京理工大学 A kind of electrical storage device heating means heated based on LC resonance
CN106025444A (en) * 2016-08-01 2016-10-12 广州汽车集团股份有限公司 Battery heating control method in electrically driven vehicle, and system thereof
CN106025444B (en) * 2016-08-01 2018-09-14 广州汽车集团股份有限公司 Battery method for heating and controlling in electric vehicle and system
CN107492696A (en) * 2017-05-08 2017-12-19 宝沃汽车(中国)有限公司 The control method and system and electric automobile of high-tension battery
CN107492696B (en) * 2017-05-08 2020-03-24 宝沃汽车(中国)有限公司 Control method and system of high-voltage battery and electric automobile
CN111361457A (en) * 2018-12-26 2020-07-03 郑州宇通客车股份有限公司 Vehicle and heating control method of power battery of vehicle
CN110534844A (en) * 2019-08-26 2019-12-03 北汽(常州)汽车有限公司 A kind of electrical heating method and system of power battery
CN110635183A (en) * 2019-09-23 2019-12-31 骆驼集团武汉光谷研发中心有限公司 Power battery system and charging method for low-temperature charging optimized heating strategy
CN110635183B (en) * 2019-09-23 2021-07-23 骆驼集团武汉光谷研发中心有限公司 Power battery system and charging method for low-temperature charging optimized heating strategy
CN113815492A (en) * 2020-06-18 2021-12-21 北京新能源汽车股份有限公司 Heating control method, device and equipment and automobile
CN113815492B (en) * 2020-06-18 2024-02-06 北京新能源汽车股份有限公司 Heating control method, heating control device, heating control equipment and automobile
CN113030737A (en) * 2021-04-30 2021-06-25 重庆长安新能源汽车科技有限公司 Power battery pulse heating reliability test method
CN113030737B (en) * 2021-04-30 2023-06-02 重庆长安新能源汽车科技有限公司 Pulse heating reliability test method for power battery

Similar Documents

Publication Publication Date Title
CN103762398A (en) Low-temperature heating system of power battery and control method of system
CN106696744B (en) Charging and heating system and heating method for power battery of electric automobile
CN203839477U (en) Low-temperature charging and heating device of automobile power battery and system
CN102651565B (en) Battery pack charging management method and device, charger and battery pack managing system
CN102315502B (en) Device for heating battery of electric car and control method thereof
CN104079052A (en) Direct-current charging system of electric automobile
CN103427137A (en) Low-temperature charge and heating system and method for power battery for all-electric vehicles
CN203967811U (en) Electric automobile DC charging system
CN103457318A (en) Power cell charging and heating system and method of pure electric vehicle
CN203854586U (en) Control circuit for high-voltage power-on/off judging adhesion state of relay of electric vehicle
CN110137628B (en) Self-heating system and heating method for power battery
CN103414224A (en) High-capacity high-voltage integrated battery pack system and control method thereof
CN102951026A (en) Charging and travelling interlocking device for electric automobile
CN109334514B (en) Thermal runaway monitoring circuit of power battery
CN106597274B (en) A kind of contactor adhesion determination method
CN103419653A (en) Electric vehicle, power system of electric vehicle and method for heating battery of electric vehicle
CN103682525A (en) Method for controlling battery heating in charging mode
CN108550929A (en) A kind of battery thermal management method and system of electric vehicle low temperature charging
CN103419657B (en) For dynamical system and the electric vehicle of electric vehicle
CN103419661B (en) The power system of electronlmobil, electronlmobil and heating of battery method
CN103419651A (en) Electric vehicle, power system of electric vehicle and method for heating battery of electric vehicle
CN103419655A (en) Electric car and electric car power system and battery heating method
CN204623184U (en) Extended-range power battery device
CN105633497A (en) Low-temperature charging heating system and heating method for lithium ion battery of electric vehicle
CN203651496U (en) Battery system and electric vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140430

RJ01 Rejection of invention patent application after publication