CN112290113A - Direct cooling system for automobile power battery and automobile - Google Patents

Direct cooling system for automobile power battery and automobile Download PDF

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Publication number
CN112290113A
CN112290113A CN202011001496.6A CN202011001496A CN112290113A CN 112290113 A CN112290113 A CN 112290113A CN 202011001496 A CN202011001496 A CN 202011001496A CN 112290113 A CN112290113 A CN 112290113A
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CN
China
Prior art keywords
heat exchanger
expansion valve
direct cooling
compressor
battery
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
CN202011001496.6A
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Chinese (zh)
Inventor
王镇锐
何锋
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.)
Guangzhou Automobile Group Co Ltd
Original Assignee
Guangzhou Automobile Group 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 Guangzhou Automobile Group Co Ltd filed Critical Guangzhou Automobile Group Co Ltd
Priority to CN202011001496.6A priority Critical patent/CN112290113A/en
Publication of CN112290113A publication Critical patent/CN112290113A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—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
    • 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
    • B60L58/26—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 cooling
    • H—ELECTRICITY
    • H01—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—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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—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
    • H01M10/63—Control systems
    • H01M10/635—Control systems based on ambient temperature
    • H—ELECTRICITY
    • H01—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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
    • H—ELECTRICITY
    • H01—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
    • H—ELECTRICITY
    • H01—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
    • H01M10/6564—Gases with forced flow, e.g. by blowers using compressed gas
    • H—ELECTRICITY
    • H01—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
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a direct cooling system for an automobile power battery and an automobile, which comprise a compressor, a condensing mechanism, a first expansion valve, a second expansion valve, a battery direct cooling heat exchanger, an in-automobile evaporator and an intermediate heat exchanger, wherein the compressor is connected with the condensing mechanism; the compressor, the condensing mechanism, the first expansion valve and the in-vehicle evaporator are connected in sequence through pipelines to form a first cooling pipeline loop; the compressor, the condensing mechanism, the second expansion valve and the battery direct cooling heat exchanger are connected in sequence through pipelines to form a second cooling pipeline loop; a first heat exchange pipeline and a second heat exchange pipeline are arranged in the intermediate heat exchanger, and the first heat exchange pipeline is a part of a pipeline for connecting the compressor and the battery direct cooling heat exchanger; the second heat exchange pipeline is a part of a pipeline connecting the compressor and the battery direct cooling heat exchanger. The invention can improve the temperature uniformity of the battery direct cooling heat exchanger, is beneficial to improving the energy efficiency of the battery, improves the COP value of the cooling system of the automobile power battery and saves energy.

Description

Direct cooling system for automobile power battery and automobile
Technical Field
The invention relates to the technical field of cooling of automobile power batteries, in particular to a direct cooling system for an automobile power battery and an automobile.
Background
With the development of electric vehicles and the improvement of requirements on power performance, safety, service life and the like of power batteries, a power battery system urgently needs an efficient battery management system to meet the requirements of batteries on heat dissipation and temperature boundaries.
Currently, the vehicle battery cooling system shown in fig. 1 is commonly used, and mainly comprises three major parts: firstly, an automobile air conditioning system comprising a compressor 11, a condenser 12, a cooling fan 13, an expansion valve 14 and an in-vehicle evaporator 17; a battery direct cooling heat exchanger 16 for battery heat dissipation; and, an expansion valve 15. The system shown in fig. 1 and the air conditioning system generally operate according to a principle that a high-temperature and high-pressure liquid-phase refrigerant passes through an expansion valve 15 and then is changed into a low-temperature and low-pressure two-phase state, and then passes through a battery direct-cooling heat exchanger 16 to exchange heat, so that heat of a battery is absorbed and evaporated, and a refrigeration function is realized; after absorbing heat, sending the heat to the compressor 11 again to start a new compression process; in the conventional battery direct cooling system, the degree of superheat (detected by a sensor 18) of an outlet of a battery direct cooling heat exchanger 16 is used as a feedback signal to adjust the opening degree of an inlet expansion valve 14 of an evaporator 17 in a vehicle; the system of fig. 1 controls the opening degree of the inlet expansion valve 15 of the battery direct cooling heat exchanger 16 according to the degree of superheat of the outlet of the battery direct cooling heat exchanger 16; in the system, in order to ensure that the refrigerant at the inlet of the compressor 11 is in an overheated state, an overheated section is inevitably formed in the heat exchange area of the battery direct cooling heat exchanger 16, and therefore the temperature uniformity of the battery direct cooling heat exchanger 16 is poor.
Disclosure of Invention
The invention aims to provide a direct cooling system of an automobile power battery and an automobile, which are used for improving the COP value of the automobile power battery system and saving energy; and the temperature uniformity of the battery direct cooling heat exchanger is improved, so that the energy efficiency of the battery is favorably improved.
In order to achieve the above object, an embodiment of the present invention provides a direct cooling system for a power battery of an automobile, including a compressor, a condensing mechanism, a first expansion valve, a second expansion valve, a direct cooling heat exchanger for the battery, an evaporator in the automobile, and an intermediate heat exchanger; the compressor, the condensing mechanism, the first expansion valve and the in-vehicle evaporator are connected in sequence through pipelines to form a first cooling pipeline loop; the compressor, the condensing mechanism, the second expansion valve and the battery direct cooling heat exchanger are connected in sequence through pipelines to form a second cooling pipeline loop; a first heat exchange pipeline and a second heat exchange pipeline are arranged in the intermediate heat exchanger, and the first heat exchange pipeline is a part of a pipeline connecting the compressor and the battery direct cooling heat exchanger; the second heat exchange pipeline is a part of a pipeline connecting the compressor and the battery direct cooling heat exchanger.
Optionally, the system further comprises a sensor disposed at an outlet of the first conduit of the intermediate heat exchanger, the sensor being configured to detect a pressure and a temperature at the outlet and determine a corresponding degree of superheat based on the detected pressure and temperature; the second expansion valve is used for adjusting the opening degree of the second expansion valve according to the superheat degree.
Optionally, the condensing mechanism comprises a condenser and a cooling fan; the compressor, the condenser, the first expansion valve and the in-vehicle evaporator are connected in sequence through pipelines to form a first cooling pipeline loop; the compressor, the condenser, the second expansion valve and the battery direct cooling heat exchanger are connected in sequence through pipelines to form a second cooling pipeline loop.
Optionally, the first expansion valve and the second expansion valve are specifically electronic expansion valves or thermostatic expansion valves.
The embodiment of the invention also provides an automobile which comprises the automobile power battery direct cooling system.
The embodiment of the invention provides an automobile power battery direct cooling system and an automobile comprising the same. In addition, the opening degree of the expansion valve at the inlet of the heat exchanger can be controlled according to the superheat degree of the outlet of the intermediate heat exchanger. Therefore, the overheating section of the refrigerant system is moved to the intermediate heat exchanger, the overheating section of the evaporator is reduced or even eliminated by the method, the temperature uniformity of the battery direct cooling heat exchanger is improved, and the battery energy efficiency is favorably improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cooling system for a vehicle battery in the prior art.
Fig. 2 is a schematic structural diagram of an automotive battery cooling system according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In addition, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, well known means have not been described in detail so as not to obscure the present invention.
Referring to fig. 2, an embodiment of the present invention provides an automotive power battery direct cooling system, which includes a compressor 21, a condensing mechanism, a first expansion valve 24, a second expansion valve 25, a battery direct cooling heat exchanger 26, an in-vehicle evaporator 27, and an intermediate heat exchanger 28; the compressor 21, the condensing mechanism, the first expansion valve 24 and the in-vehicle evaporator 27 are connected in sequence by pipes to form a first cooling pipe loop; the compressor 21, the condensing mechanism, the second expansion valve 25 and the battery direct cooling heat exchanger 26 are connected through pipelines in sequence to form a second cooling pipeline loop; a first heat exchange pipeline and a second heat exchange pipeline are arranged in the intermediate heat exchanger 28, wherein the first heat exchange pipeline is a part of a pipeline connecting the compressor 21 and the battery direct cooling heat exchanger 26; the second heat exchange pipeline is a part of a pipeline connecting the compressor 21 and the battery direct cooling heat exchanger 26.
Alternatively, the condensing mechanism of the present embodiment includes a condenser 22 and a cooling fan 23; the compressor 21, the condenser 22, the first expansion valve 24 and the in-vehicle evaporator 27 are connected in sequence through pipes to form a first cooling pipe loop; the compressor 21, the condenser 22, the second expansion valve 25 and the battery direct cooling heat exchanger 26 are connected in sequence through pipelines to form a second cooling pipeline loop.
Specifically, the system of the embodiment works as follows:
the compressor 21 is a power source of the automobile power battery direct cooling system, and when the battery needs to be cooled, the compressor 21 is used for compressing a low-pressure low-temperature gas-phase refrigerant into a high-temperature high-pressure gas-phase refrigerant; the high-temperature high-pressure gas-phase refrigerant passes through the condenser 22 and is condensed into a high-temperature high-pressure liquid-phase refrigerant under the cooling of the cooling fan 23; after passing through the first expansion valve 24, one path of the high-temperature and high-pressure liquid-phase refrigerant is converted from a liquid phase to a low-temperature and low-pressure two-phase state, then absorbs heat in the in-vehicle evaporator 27 to evaporate, so as to absorb heat in the vehicle, and finally flows back to the compressor 21, corresponding to the first cooling pipeline loop; and the other path of the high-temperature and high-pressure liquid-phase refrigerant enters the second expansion valve 25 through a first heat exchange pipeline for intermediate heat exchange, the liquid phase of the high-temperature and high-pressure liquid-phase refrigerant is converted into a low-temperature and low-pressure two-phase state, then the battery cooling function is realized by heat absorption in the battery direct cooling heat exchanger 26, and the high-temperature refrigerant flowing out of the battery direct cooling heat exchanger 26 after heat absorption flows back to the compressor 21 through a second heat exchange pipeline of the intermediate heat exchanger 28 and corresponds to the second cooling pipeline loop. It should be noted that, an intermediate heat exchanger 28 is additionally arranged in the direct cooling system, the intermediate heat exchanger 28 is utilized to transfer low-temperature cold energy to high-temperature cold medium, the system cold energy is recovered, the COP value of the automobile power battery system can be improved, and the energy is saved.
Optionally, the system of this embodiment further comprises a sensor 29 disposed at the outlet of the first conduit of the intermediate heat exchanger 28, wherein the sensor 29 is configured to detect the pressure and the temperature at the outlet and determine the corresponding superheat degree according to the detected pressure and temperature; the second expansion valve 25 is adapted to adjust its own opening degree in accordance with the degree of superheat.
Specifically, in the present embodiment, the temperature at the outlet of the intermediate heat exchanger 28 and the superheat at the outlet are fed back by the pressure sensor 29; wherein, for the degree of superheat, the higher the pressure is at the same temperature, the higher the degree of superheat is; under the same pressure state, the higher the temperature is, the larger the superheat degree is, and according to the pressure and the temperature, the corresponding superheat degree can be determined. The sensor 29 converts the detected current pressure and temperature data into a corresponding superheat degree, generates a superheat degree signal, and transmits the superheat degree signal to the second expansion valve 25, and the second expansion valve 25 controls the opening degree thereof according to the superheat degree signal in response to receiving the superheat degree signal. In the present embodiment, the opening degree of the heat exchanger inlet expansion valve is controlled in accordance with the degree of superheat at the outlet of the intermediate heat exchanger 28. Therefore, the superheat section of the refrigerant system is moved to the intermediate heat exchanger 28, the superheat section of the evaporator is reduced or even eliminated by the method, the temperature uniformity of the battery direct cooling heat exchanger 26 is improved, and the improvement of the energy efficiency of the battery is facilitated.
Optionally, in this embodiment, the first expansion valve 24 and the second expansion valve 25 are electronic expansion valves, which can better meet the requirement of fast response of battery temperature control.
The invention further provides an automobile comprising the automobile power battery direct cooling system.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (5)

1. A direct cooling system for an automobile power battery is characterized by comprising a compressor, a condensing mechanism, a first expansion valve, a second expansion valve, a battery direct cooling heat exchanger, an in-automobile evaporator and an intermediate heat exchanger; the compressor, the condensing mechanism, the first expansion valve and the in-vehicle evaporator are connected in sequence through pipelines to form a first cooling pipeline loop; the compressor, the condensing mechanism, the second expansion valve and the battery direct cooling heat exchanger are connected in sequence through pipelines to form a second cooling pipeline loop; a first heat exchange pipeline and a second heat exchange pipeline are arranged in the intermediate heat exchanger, and the first heat exchange pipeline is a part of a pipeline for connecting the compressor and the battery direct cooling heat exchanger; the second heat exchange pipeline is a part of a pipeline connecting the compressor and the battery direct cooling heat exchanger.
2. The direct cooling system for the power battery of the automobile as claimed in claim 1, further comprising a sensor disposed at an outlet of the first pipe of the intermediate heat exchanger, the sensor being configured to detect a pressure and a temperature at the outlet and determine a corresponding degree of superheat based on the detected pressure and temperature; the second expansion valve is used for adjusting the opening degree of the second expansion valve according to the superheat degree.
3. The automotive power battery direct cooling system of claim 1, wherein the condensing mechanism includes a condenser and a cooling fan; the compressor, the condenser, the first expansion valve and the in-vehicle evaporator are connected in sequence through pipelines to form a first cooling pipeline loop; the compressor, the condenser, the second expansion valve and the battery direct cooling heat exchanger are connected in sequence through pipelines to form a second cooling pipeline loop.
4. The direct cooling system for the automobile power battery according to any one of claims 1 to 3, wherein the first expansion valve and the second expansion valve are electronic expansion valves or thermal expansion valves.
5. An automobile, characterized by comprising the direct cooling system for the automobile power battery of any one of claims 1 to 4.
CN202011001496.6A 2020-09-22 2020-09-22 Direct cooling system for automobile power battery and automobile Pending CN112290113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011001496.6A CN112290113A (en) 2020-09-22 2020-09-22 Direct cooling system for automobile power battery and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011001496.6A CN112290113A (en) 2020-09-22 2020-09-22 Direct cooling system for automobile power battery and automobile

Publications (1)

Publication Number Publication Date
CN112290113A true CN112290113A (en) 2021-01-29

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009054186A1 (en) * 2009-11-23 2011-05-26 Behr Gmbh & Co. Kg System for a motor vehicle for heating and / or cooling a battery and a motor vehicle interior
CN102290618A (en) * 2011-07-26 2011-12-21 浙江吉利汽车研究院有限公司 Vehicle battery thermal management system
CN102315498A (en) * 2010-06-30 2012-01-11 上海汽车集团股份有限公司 Battery thermal management control method
CN103855445A (en) * 2012-12-04 2014-06-11 上海汽车集团股份有限公司 Thermal management system, battery thermal management system, electric vehicle and hybrid power vehicle
CN105644381A (en) * 2015-12-23 2016-06-08 奇瑞汽车股份有限公司 Electric automobile and thermal management system thereof
CN108215923A (en) * 2018-02-08 2018-06-29 中国科学院电工研究所 A kind of thermal management system of electric automobile
CN109501567A (en) * 2018-12-05 2019-03-22 国能新能源汽车有限责任公司 Electric automobile cooling system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009054186A1 (en) * 2009-11-23 2011-05-26 Behr Gmbh & Co. Kg System for a motor vehicle for heating and / or cooling a battery and a motor vehicle interior
CN102315498A (en) * 2010-06-30 2012-01-11 上海汽车集团股份有限公司 Battery thermal management control method
CN102290618A (en) * 2011-07-26 2011-12-21 浙江吉利汽车研究院有限公司 Vehicle battery thermal management system
CN103855445A (en) * 2012-12-04 2014-06-11 上海汽车集团股份有限公司 Thermal management system, battery thermal management system, electric vehicle and hybrid power vehicle
CN105644381A (en) * 2015-12-23 2016-06-08 奇瑞汽车股份有限公司 Electric automobile and thermal management system thereof
CN108215923A (en) * 2018-02-08 2018-06-29 中国科学院电工研究所 A kind of thermal management system of electric automobile
CN109501567A (en) * 2018-12-05 2019-03-22 国能新能源汽车有限责任公司 Electric automobile cooling system

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Application publication date: 20210129