CN101714679B - Method for managing temperature of powered cell - Google Patents
Method for managing temperature of powered cell Download PDFInfo
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- CN101714679B CN101714679B CN2009101915346A CN200910191534A CN101714679B CN 101714679 B CN101714679 B CN 101714679B CN 2009101915346 A CN2009101915346 A CN 2009101915346A CN 200910191534 A CN200910191534 A CN 200910191534A CN 101714679 B CN101714679 B CN 101714679B
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- threshold points
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- 210000004027 cells Anatomy 0.000 claims description 73
- 230000000875 corresponding Effects 0.000 claims description 34
- 239000011449 bricks Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000005516 engineering processes Methods 0.000 description 5
- 238000000034 methods Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002493 climbing Effects 0.000 description 1
- 238000002485 combustion reactions Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000446 fuels Substances 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000979 retarding Effects 0.000 description 1
- 238000003786 synthesis reactions Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 239000011901 water Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention puts forward a method for managing the temperature of a powered cell, which comprises a method for controlling the excess temperature of the powered cell, a method for controlling too-low temperature of the powered cell and a method for controlling excessive temperature difference of the powered cell. Through the method, the excess temperature, too-low temperature and excessive local temperature difference of the powered cell are avoided by controlling a cell fan timely to open for cell ventilation, so that the cell operates in the optimum operating temperature range, and the usability and service life of the cell are protected comprehensively.
Description
Technical field
The invention belongs to the electrokinetic cell system technical field, relate in particular to Hybrid Vehicle temperature of powered cell management control system.
Background technology
Along with global climate progressively worsens, urban atmospheric pollution aggravates and petroleum resources consume excessively, development energy-saving and environmental protection automobile has become the important directions of world car industrial technology innovation and the inevitable choice of automobile industry sustainable development.Hybrid vehicle and traditional combustion engine automobile specific energy mutually reduce fuel consume and exhaust emissions significantly, have become the main flow of new automobile exploitation in the world wide.
Electrokinetic cell is as the key components and parts of hybrid vehicle, provide auxiliary power by drive motors to car load, must satisfy the instructions for use of the various operating conditions of hybrid vehicle (idling, climbing, acceleration, retarding braking etc.), the quality of its performance has a strong impact on vehicle performance.
Temperature of powered cell is very important performance parameter of electrokinetic cell, temperature is too high, mistake is low or battery local between excessive temperature differentials all can influence the electrokinetic cell serviceability, reduce the useful life of electrokinetic cell.
Each auto vendor all the important subject of temperature of powered cell management as power battery for hybrid electric vehicle system design exploitation, has dropped into great amount of manpower and material resources both at home and abroad.The heat radiation of current driving force battery has water-cooled, air-cooled two kinds of technology paths, but because water-cooled can be brought potential safety hazard to electrokinetic cell, and the Water Cooling Technology more complicated, equipment cost is higher, so each auto vendor mainly adopts air-cooled technology.And in prior art, consider that mainly temperature of powered cell dispels the heat to battery with radiator fan after too high, and do not have the unbalanced and low excessively corresponding control measures of taking of temperature of powered cell at the electrokinetic cell local temperature, therefore also there are much deficiencies.
Summary of the invention
The objective of the invention is deficiency at the prior art existence, a kind of method for managing temperature of powered cell is proposed, described method by in good time control battery fan open to battery ventilate effectively avoid temperature of powered cell too high, cross low and local temperature difference excessive, make battery operated in the optimum working temperature interval, with solve battery temperature too high, cross the influence of low or excessive temperature differentials to electrokinetic cell.
The method for managing temperature of powered cell that the present invention proposes by the too high control method of temperature of powered cell, temperature of powered cell cross low control method, electrokinetic cell excessive temperature differentials control method constitutes.
The too high control method of described temperature of powered cell is meant when battery cycle charge-discharge causes the too high or car load of battery temperature to cause battery temperature too high under hot environment, open to the battery heat radiation by control battery fan, preventing that temperature is too high influences battery serviceability and life-span.
Described temperature of powered cell is crossed low control method and be meant that car load causes battery temperature to be crossed when hanging down under low temperature environment, control battery fan is opened after opening car load air-conditioning warm braw, by accelerating the battery temperature rise, make battery temperature rise to optimum working temperature as early as possible to being blown into warm braw in the power brick.
Described electrokinetic cell excessive temperature differentials control method is meant that the battery local temperature is unbalanced, and temperature deviation is too big, opens by control battery fan and accelerates the power brick inner air flow, makes each local temperature equilibrium of battery.
The present invention realizes that the concrete technical scheme of above-mentioned purpose is as follows:
A kind of method for managing temperature of powered cell, its step is as follows:
(1) temperature of gathering a plurality of surface points by the temperature sensor of electrokinetic cell surface distributed reflects the electrokinetic cell working temperature, and sends temperature data to power battery management system;
(2) temperature value that collects is compared that to draw maximum temperature value, minimum temperature value, battery maximum temperature difference be the poor of maximum temperature value and minimum temperature value by power battery management system;
(3) judge according to the too high control method of temperature of powered cell whether temperature of powered cell is too high, if then calculate corresponding battery fan opening value 1;
(4) if not, then cross low control method and judge whether temperature of powered cell is low excessively, if then calculate corresponding battery fan opening value 2 according to temperature of powered cell;
(5) if not, then judge according to electrokinetic cell excessive temperature differentials control method whether the electrokinetic cell temperature difference is excessive, if then calculate corresponding battery fan opening value 3;
(6) battery fan opening value 1,2,3 is compared, draw the maximum of battery fan aperture, and open to battery with this opening value control battery fan and to ventilate.
In this method, the too high control method of battery temperature can be by being provided with the too high threshold point of different battery temperatures, thereby according to the height of battery actual temperature control battery fan aperture size, make battery fan aperture raise and increase, effectively avoid battery temperature too high along with battery temperature.
Battery temperature is crossed low control strategy and can be utilized the air-conditioning warm braw of opening under the car load low temperature environment to accelerate the battery temperature rise.The utilance that this has promptly strengthened existing resource need not to increase in addition equipment, can effectively avoid battery temperature low excessively again.
Battery excessive temperature differentials control strategy can be by being provided with different battery excessive temperature differentials threshold points, thereby size control battery fan aperture size according to the actual temperature difference of battery, make battery fan aperture increase and increase, effectively avoid the battery excessive temperature differentials along with the battery temperature difference.
In sum, above-mentioned method for managing temperature of powered cell can effectively avoid temperature of powered cell too high, cross low and local temperature difference excessive, make battery operated in the optimum working temperature interval, the serviceability of general protection battery and life-span.
Description of drawings
Fig. 1 is the overview flow chart of the method for managing temperature of powered cell of the present invention's proposition.
Fig. 2 is the flow chart of the too high control method of temperature of powered cell of the present invention's proposition.
The temperature of powered cell that Fig. 3 proposes for the present invention is crossed the flow chart of low control method.
Fig. 4 is the flow chart of the electrokinetic cell excessive temperature differentials control method of the present invention's proposition.
Embodiment
Below in conjunction with accompanying drawing detailed description method:
Fig. 1 has provided the overview flow chart of method for managing temperature of powered cell.
Temperature of powered cell is very important performance parameter of electrokinetic cell, temperature is too high, mistake is low or battery local between excessive temperature differentials all can influence the electrokinetic cell serviceability, reduce the useful life of electrokinetic cell, so the temperature of powered cell management is the important subject that electrokinetic cell system is designed and developed.
In order to give the electrokinetic cell ventilation and heat, ad hoc on the hybrid vehicle have battery fan and battery to pass in and out the air channel.The power battery for hybrid electric vehicle surface is furnished with a plurality of digital temperature sensors, and the temperature of gathering a plurality of surface points reflects the electrokinetic cell working temperature, and sends temperature data to power battery management system.Power battery management system compares the temperature value of a plurality of digital temperature sensors and draws maximum temperature value, minimum temperature value, the temperature difference (maximum temperature value and minimum temperature value poor), and judges the battery fan opening value 1 that temperature of powered cell is whether too high and corresponding according to the too high control method of temperature of powered cell; Cross low control method according to temperature of powered cell and judge whether temperature of powered cell crosses low and corresponding battery fan opening value 2; Judge the battery fan opening value 3 that the electrokinetic cell temperature difference is whether excessive and corresponding according to electrokinetic cell excessive temperature differentials control method; Battery fan opening value 1,2,3 compares the maximum that draws battery fan aperture the most at last, and opens to battery with this opening value control battery fan and to ventilate.This method synthesis has been considered that temperature of powered cell is too high, has been crossed low and excessive temperature differentials situation, can general protection electrokinetic cell serviceability and life-span.
Be elaborated below in conjunction with accompanying drawing each sub-control method to method for managing temperature of powered cell.
1, the flow process of the too high control method of temperature of powered cell is as shown in Figure 2:
Electrokinetic cell all has certain operating temperature range according to the performance of self, can have a strong impact on battery efficiency and recycle the life-span if battery temperature meets or exceeds maximum operating temperature.
Car load travels under hot environment or electrokinetic cell when continuing cycle charge-discharge battery temperature not section rise, may meet or exceed maximum operating temperature, so need prevent that battery temperature is too high in advance to the battery heat radiation before battery temperature reaches maximum operating temperature.
Power battery management system before battery reaches maximum operating temperature as required by being provided with the too high threshold points N of different battery temperatures from low to high ... 3,2,1, be the too high threshold points 2 of the too high threshold points 1＞battery temperature of battery temperature＞... the too high threshold points N of＞battery temperature, and the corresponding different opening value of battery fan, battery fan opening value is linear between the too high threshold points of different battery temperatures increases, the corresponding battery fan of the too high threshold points N of wherein minimum temperature begins to open the highest temperature threshold points 1 corresponding battery fan standard-sized sheet.
Power battery management system relatively draws maximum temperature value according to the digital temperature value that a plurality of digital temperature sensors of battery surface collect, this value and the too high threshold points of battery temperature compared calculate the too high battery fan opening value that to open of causing of battery temperature, and send this value to battery fan opening value 1.
Detailed process is:
(1) relatively whether the battery maximum temperature value surpasses the too high threshold points 1 of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1;
(2) if not, then relatively whether the battery maximum temperature value surpasses the too high threshold points 2 of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1;
(3) relatively whether the battery maximum temperature value surpasses the too high threshold points N of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1; If not, then loop back step (1).
2, temperature of powered cell cross low control method flow process as shown in Figure 3:
Electrokinetic cell all has certain operating temperature range according to the performance of self, if battery temperature can have a strong impact on battery efficiency and recycle the life-span under minimum operating temperature the time.
Battery temperature may be under minimum operating temperature when car load travelled under low temperature environment, this moment need with battery temperature as early as possible temperature rise meet or exceed minimum operating temperature, prevent that battery temperature is low excessively.Car load all can be opened the air-conditioning warm braw at low temperature environment human pilot of following time and travel, this moment, power battery management system relatively drew maximum temperature value according to the digital temperature value that a plurality of digital temperature sensors of battery surface collect, this value and battery minimum operating temperature value are compared, if the battery temperature value is lower than battery minimum operating temperature value, then control battery fan standard-sized sheet, warm braw is blown in the power brick accelerates the battery temperature rise and reach minimum operating temperature, and send this battery fan opening value to battery fan opening value 2 until battery temperature; Otherwise do not open the battery fan.
3, the flow chart of electrokinetic cell excessive temperature differentials control method is as shown in Figure 4:
Electrokinetic cell can only use in certain temperature range according to the serviceability of itself, and the battery temperature difference meets or exceeds serviceability and the life-span that the maximum temperature difference value can have a strong impact on battery.Battery local temperature in the cycle charge discharge electric process is unbalanced, may meet or exceed the maximum temperature difference value, so need ventilate to battery in advance before the battery temperature difference reaches the maximum temperature difference value, prevents the battery excessive temperature differentials.
Power battery management system before battery reaches maximum temperature difference as required by being provided with different battery excessive temperature differentials threshold points N from small to large ... 3,2,1, be battery excessive temperature differentials threshold points 1＞battery excessive temperature differentials threshold points 2＞...＞battery excessive temperature differentials threshold points N, and the corresponding different opening value of battery fan, battery fan opening value is linear between different battery excessive temperature differentials threshold points increases, the corresponding battery fan of wherein minimum excessive temperature differentials threshold points N begins to open maximum excessive temperature differentials threshold points 1 corresponding battery fan standard-sized sheet.Power battery management system relatively draws maximum temperature value according to the digital temperature value that a plurality of digital temperature sensors of battery surface collect, the minimum temperature value, calculate the maximum temperature difference value, this value and battery excessive temperature differentials threshold points compared calculate the battery excessive temperature differentials and cause the battery fan opening value that to open, and send this value to battery fan opening value 3.
Detailed process:
(1) relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points 1 that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3
(2) if not, then relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points 2 that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3;
(3) relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points N that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3; If not, then loop back step (1).
Claims (1)
1. method for managing temperature of powered cell, described method by in good time control battery fan open to battery ventilate effectively avoid temperature of powered cell too high, cross low and local temperature difference excessive, make battery operated in the optimum working temperature interval; The step that it is characterized in that described method is as follows:
(1) temperature of gathering a plurality of surface points by the temperature sensor of electrokinetic cell surface distributed reflects the electrokinetic cell working temperature, and sends temperature data to power battery management system;
(2) temperature value that collects is compared that to draw maximum temperature value, minimum temperature value, battery maximum temperature difference be the poor of maximum temperature value and minimum temperature value by power battery management system;
(3) judge according to the too high control method of temperature of powered cell whether temperature of powered cell is too high, if then calculate corresponding battery fan opening value 1;
(4) if not, then cross low control method and judge whether temperature of powered cell is low excessively, if then calculate corresponding battery fan opening value 2 according to temperature of powered cell;
(5) if not, then judge according to electrokinetic cell excessive temperature differentials control method whether the electrokinetic cell temperature difference is excessive, if then calculate corresponding battery fan opening value 3;
(6) battery fan opening value 1,2,3 is compared, draw the maximum of battery fan aperture, and open to battery with this opening value control battery fan and to ventilate;
The step of the too high control method of described battery temperature is as follows:
Before battery reaches maximum operating temperature as required by being provided with the too high threshold points N of different battery temperatures from low to high ... 3,2,1, be the too high threshold points 2 of the too high threshold points 1＞battery temperature of battery temperature＞... the too high threshold points N of＞battery temperature, and the different opening value of corresponding battery fan, battery fan opening value is linear between the too high threshold points of different battery temperatures increases, the corresponding battery fan of the too high threshold points N of wherein minimum temperature begins to open the highest temperature threshold points 1 corresponding battery fan standard-sized sheet;
(1) relatively whether the battery maximum temperature value surpasses the too high threshold points 1 of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1;
(2) if not, then relatively whether the battery maximum temperature value surpasses the too high threshold points 2 of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1;
(3) relatively whether the battery maximum temperature value surpasses the too high threshold points N of battery temperature that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 1; If not, then loop back step (1);
Described battery temperature crosses low control method is whether comparison battery maximum temperature value is lower than the battery minimum operating temperature, if, then control battery fan standard-sized sheet, warm braw is blown in the power brick accelerates the battery temperature rise and reach minimum operating temperature, and send this battery fan opening value to battery fan opening value 2 until battery temperature; Otherwise do not open the battery fan;
The step of described battery excessive temperature differentials control method is as follows:
Power battery management system before battery reaches maximum temperature difference as required by different battery excessive temperature differentials threshold points N is set from small to large ... 3,2,1, be battery excessive temperature differentials threshold points 1＞battery excessive temperature differentials threshold points 2＞...＞battery excessive temperature differentials threshold points N, and the different opening value of corresponding battery fan, battery fan opening value is linear between different battery excessive temperature differentials threshold points increases, the corresponding battery fan of wherein minimum excessive temperature differentials threshold points N begins to open maximum excessive temperature differentials threshold points 1 corresponding battery fan standard-sized sheet;
(1) relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points 1 that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3;
(2) if not, then relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points 2 that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3;
(3) relatively whether the battery maximum temperature difference surpasses the battery excessive temperature differentials threshold points N that is provided with, if then calculate corresponding battery fan opening value, and send this value to battery fan opening value 3; If not, then loop back step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101915346A CN101714679B (en) | 2009-11-20 | 2009-11-20 | Method for managing temperature of powered cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101915346A CN101714679B (en) | 2009-11-20 | 2009-11-20 | Method for managing temperature of powered cell |
| PCT/CN2009/076247 WO2011060596A1 (en) | 2009-11-20 | 2009-12-30 | Temperature management method for power battery |
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| CN101714679A CN101714679A (en) | 2010-05-26 |
| CN101714679B true CN101714679B (en) | 2011-11-09 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102544618B (en) * | 2010-12-30 | 2014-08-13 | 上海航天电源技术有限责任公司 | Liquid cooling temperature control and management method of power lithium ion battery |
| CN102969743B (en) * | 2011-08-31 | 2015-04-22 | 北汽福田汽车股份有限公司 | Charging pile device for electric vehicle |
| CN102680207A (en) * | 2012-05-04 | 2012-09-19 | 黄智辉 | Aging test method and device for LED luminaire production |
| CN103064032A (en) * | 2013-01-08 | 2013-04-24 | 重庆长安汽车股份有限公司 | Breakdown diagnostic system of power battery |
| CN103208665B (en) * | 2013-04-28 | 2015-12-02 | 长城汽车股份有限公司 | The control method of battery pack temperature control system and corresponding battery pack temperature |
| CN104979594B (en) * | 2014-04-02 | 2018-02-09 | 比亚迪股份有限公司 | The control method and system of electrokinetic cell |
| CN104577255B (en) * | 2014-12-30 | 2016-08-24 | 安徽江淮汽车股份有限公司 | A kind of heat management system of centralized electrokinetic cell bag |
| CN105552478B (en) * | 2016-01-15 | 2018-03-23 | 温州大学激光与光电智能制造研究院 | The design method of temperature of powered cell control system and corresponding control system |
| CN105698970B (en) * | 2016-01-29 | 2018-07-13 | 安徽江淮汽车集团股份有限公司 | A kind of battery pack temperature sensing circuit method for diagnosing faults |
| CN105730243B (en) * | 2016-02-04 | 2018-06-26 | 金龙联合汽车工业（苏州）有限公司 | A kind for the treatment of method and apparatus of battery parameter triggering failure |
| CN105865657B (en) * | 2016-04-06 | 2018-09-18 | 歌尔股份有限公司 | Temperature equalization judgment method and system in a kind of micro electronmechanical product measurement process |
| CN105789719B (en) * | 2016-05-13 | 2020-07-31 | 金龙联合汽车工业（苏州）有限公司 | Temperature management method for power battery of electric automobile |
| CN107492697A (en) * | 2017-06-16 | 2017-12-19 | 宝沃汽车（中国）有限公司 | battery temperature control method and device |
| CN109599632B (en) * | 2017-09-30 | 2020-11-20 | 比亚迪股份有限公司 | Temperature adjusting method and temperature adjusting system for vehicle-mounted battery |
| CN109546234B (en) * | 2017-11-29 | 2020-10-02 | 蜂巢能源科技有限公司 | Power battery thermal management control method, power battery thermal management system and vehicle |
| CN108878995B (en) * | 2018-04-24 | 2019-12-27 | 北京长城华冠汽车科技股份有限公司 | Method and device for determining battery pack temperature difference of new energy vehicle and control method |
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| CN101057364A (en) * | 2004-11-02 | 2007-10-17 | 株式会社Lg化学 | Process for controlling temperature of battery pack |
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| JP2002063946A (en) * | 2000-08-22 | 2002-02-28 | Sanyo Electric Co Ltd | Dew condensation prevention device of battery system for electric automobile |
| JP2005011757A (en) * | 2003-06-20 | 2005-01-13 | Toyota Motor Corp | Temperature abnormality detector for secondary battery and abnormality detection method therefor |
| DE602005025159D1 (en) * | 2004-10-29 | 2011-01-13 | Fuji Heavy Ind Ltd | BATTERY TEMPERATURE REGULATOR AND BATTERY TEMPERATURE CONTROL METHOD |
| CN101000972B (en) * | 2006-12-28 | 2011-05-11 | 奇瑞汽车有限公司 | Thermal control device for battery of mixed power vehicle |
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- 2009-11-20 CN CN2009101915346A patent/CN101714679B/en active IP Right Grant
- 2009-12-30 WO PCT/CN2009/076247 patent/WO2011060596A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101057364A (en) * | 2004-11-02 | 2007-10-17 | 株式会社Lg化学 | Process for controlling temperature of battery pack |
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| WO2011060596A1 (en) | 2011-05-26 |
| CN101714679A (en) | 2010-05-26 |
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Effective date of registration: 20170113 Address after: Chancheng District of Guangdong city in Foshan province after the 528000 season 131 West Road No. 1 building A room by 601-604 Patentee after: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd Address before: 400023 Chongqing Jiangbei District, the new East Road, No. 260 Patentee before: Changan Automobile Co., Ltd., Chongqing |
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Address after: 528000 room 601-604, building A, block, building 131, Jihua West Road, Chancheng District, Guangdong, Foshan Patentee after: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd Address before: Chancheng District of Guangdong city in Foshan province after the 528000 season 131 West Road No. 1 building A room by 601-604 Patentee before: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd |
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