CN109037833B - Energy-saving battery radiator for electric automobile - Google Patents

Energy-saving battery radiator for electric automobile Download PDF

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Publication number
CN109037833B
CN109037833B CN201810739813.0A CN201810739813A CN109037833B CN 109037833 B CN109037833 B CN 109037833B CN 201810739813 A CN201810739813 A CN 201810739813A CN 109037833 B CN109037833 B CN 109037833B
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China
Prior art keywords
medium
heat
pipe
radiating
battery
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Application number
CN201810739813.0A
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CN109037833A (en
Inventor
王金波
杨君
何洪文
周稼铭
熊瑞
衣丰艳
徐晓明
衣明军
黄毅峰
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Shandong Jiaotong University
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Shandong Jiaotong University
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Publication of CN109037833A publication Critical patent/CN109037833A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • 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

Abstract

The invention discloses an energy-saving battery radiator for an electric automobile, which comprises a cooling medium, a left radiating medium pipe group and a right radiating medium pipe group which are symmetrically fixed close to two sides of a battery, and a medium circulation cavity arranged at the front end of the battery, wherein two ends of the medium circulation cavity are communicated with the left radiating medium pipe group and the right radiating medium pipe group on the two sides of the battery, the front end of the medium circulation cavity is provided with a heat conducting plate communicated with an automobile air inlet grid, the heat conducting plate is provided with a horizontal wave-shaped heat conducting plate from top to bottom, and the heat conducting plate is also provided with air guide pipes corresponding to the left radiating medium. According to the invention, the water-cooled heat dissipation medium pipe group and the medium circulation cavity are used for directly dissipating heat for the battery in a mode of combining water cooling and air cooling, and secondary heat dissipation is carried out through the air guide pipe and the heat conduction plate, so that wind power in the driving process of the automobile is fully utilized, and the energy-saving and environment-friendly effects are achieved.

Description

Energy-saving battery radiator for electric automobile
Technical Field
The invention relates to the field of automobile battery radiators, in particular to an energy-saving electric automobile battery radiator.
Background
With the rise of electric vehicles, batteries of electric vehicles become one of the important indexes for measuring vehicle performance, and because the battery pack of the vehicle is densely arranged and has high input and output power, and the batteries are often buried in the vehicle, the batteries are heated seriously.
At present, most of electric automobiles adopt an air cooling mode to dissipate heat of batteries, but the air cooling efficiency is low, the heat dissipation is uneven, the dust and water are difficult to prevent, and the heat dissipation effect is difficult to ensure in hot summer, so that more and more electric automobiles begin to adopt a water cooling mode to dissipate heat of the batteries. However, the water cooling scheme of the battery in the current market often has the problems of complex structure, high cost and the like, so that the popularization and the application are greatly limited.
Disclosure of Invention
The invention aims to provide an energy-saving battery radiator for an electric automobile, which directly radiates heat for a battery by a water-cooled heat radiation medium pipe and a medium circulation cavity in a mode of combining water cooling and air cooling, and radiates heat for media in the heat radiation medium pipe and the medium circulation cavity by an air guide pipe and a heat conduction plate, so that wind power in the driving process of the automobile is fully utilized, the water-cooled heat radiation medium pipe and the medium circulation cavity have higher heat radiation efficiency, and the energy-saving and environment-friendly effects are achieved.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides an energy-saving battery radiator for an electric automobile, which comprises a cooling medium, a left radiating medium pipe group and a right radiating medium pipe group which are symmetrically fixed and cling to two sides of a battery, and a medium circulation cavity arranged at the front end of the battery, wherein two ends of the medium circulation cavity are communicated with the left radiating medium pipe group and the right radiating medium pipe group at two sides of the battery, the left radiating medium pipe group and the right radiating medium pipe group respectively comprise a plurality of radiating medium pipes which are vertically arranged, the medium circulation cavity comprises a advection chamber which is vertically arranged and is separated by a partition plate and corresponds to the radiating medium pipes, the radiating medium pipes are communicated with the advection chamber through a sealing adapter, vertically adjacent radiating medium pipes are communicated through a sealing guide pipe, the cooling medium flows to the radiating medium pipe at the other side through the advection chamber and flows up and down through the sealing guide pipe between the radiating medium pipes at the other side, and the front end of the medium circulation cavity is provided with, the heat-conducting plate is provided with a horizontal wave-shaped heat-conducting plate from top to bottom, the heat-conducting plate is further provided with air guide pipes which penetrate through the horizontal flow chamber, the sealing adapter and the heat-radiating medium pipes correspondingly to the heat-radiating medium pipes, and two ends of each air guide pipe are respectively in sealing connection with the horizontal flow chamber and the heat-radiating medium pipes.
Preferably, the top of the heat dissipation medium pipe on the uppermost layer of the radiator is provided with a cooling medium inlet, and the bottom of the heat dissipation medium pipe on the lowermost layer of the radiator is provided with a cooling medium outlet. The radiator enters a cooling medium from a cooling medium inlet on one side, then circulates in the whole radiator, and finally flows out through a cooling medium outlet.
Preferably, the top end of the battery is further fixed with an upper heat conducting block, the upper heat conducting block is provided with a plurality of heat conducting grid sheets fixed perpendicular to the upper heat conducting block, the battery is fully contacted with air through the heat conducting grid sheets and the upper heat conducting block to dissipate heat, and the heat dissipation effect of the heat radiator is further enhanced.
As the preferable preference of the invention to the above scheme, the heat conducting glue is arranged between the battery and the left and right heat radiation medium pipe groups, the medium circulation cavity and the upper heat conducting block, and the heat transfer is faster and the heat radiation effect to the battery is more uniform by arranging the heat conducting glue.
Preferably, the front end of the air conduit is further provided with a circular flaring, and the circular flaring is arranged, so that flowing air of the automobile air inlet grille can be more easily guided into the radiator, and secondary heat dissipation of the radiator is completed.
In a preferred embodiment of the present invention, the heat-radiating medium pipe, the medium circulation chamber, and the air duct are made of copper or aluminum, and the cooling medium is water.
Preferably, the cooling medium outlet is sequentially communicated with a cooling medium tank and a water pump through pipelines, and is finally communicated with the cooling medium inlet through a pipeline, and the cooling medium tank is cooled by a small-sized cooling compressor. After the cooling medium is cooled by the cooling medium box, the cooling medium is conveyed back to the cooling medium inlet by a pipeline through the water pump, so that the circulation process is completed.
The invention has the beneficial effects that: this kind of radiator passes through during the cooling medium flows in the heat dissipation medium pipe of one side, then flows to the heat dissipation medium pipe of opposite side through the advection room to in the heat dissipation medium pipe of next floor flows down by the terminal sealed pipe of the heat dissipation medium pipe of this opposite side, then flows to the heat dissipation medium pipe of opposite side from the advection room of next floor along opposite flow direction, relapse in proper order, and the radiating effect is even and big with the laminating area of battery, compact structure, and the heat exchange effect is strong. When the left and right radiating medium pipe groups and the medium flow through cavity cooling medium radiate, the flowing air of the automobile air inlet grille enters the whole radiator through the air conduit and penetrates through the radiator from multiple positions, so that the secondary radiating effect of air radiation is formed, especially, the cooling medium in each radiating medium pipe and the flow chamber is radiated, the temperature of the cooling medium is further reduced, the cooling effect of the cooling medium on the battery is better, and the heat exchange efficiency is higher. In addition, the medium circulation cavity, the left heat radiation medium pipe group and the right heat radiation medium pipe group are communicated through the sealing adapter, the air conduit can be sealed through the sealing ring, and therefore all parts of the radiator can be detached to facilitate maintenance and replacement, and the radiator has the advantages of longer service life and low cost. Therefore, the invention has the characteristics of good heat dissipation effect, low cost, energy conservation and environmental protection, and has wide application prospect in the electric automobile market.
Drawings
FIG. 1 is a top plan view of the left and right bank of radiant media and media flow chambers of the present invention;
FIG. 2 is a cross-sectional view taken at A-A1 of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B1 of FIG. 1;
FIG. 4 is a schematic view illustrating the flow of the cooling medium in the medium flow chamber according to the present invention;
FIG. 5 is a schematic view of the structure of the heat-conducting plate of the present invention;
FIG. 6 is a top view of an upper thermally conductive block of the present invention;
FIG. 7 is a schematic view of the cycling state of the present invention;
the heat-conducting plate comprises a battery 1, a battery 2, a left heat-radiating medium pipe group, a right heat-radiating medium pipe group 3, a medium circulation cavity 4, a heat-radiating medium pipe 5, a partition plate 6, a horizontal flow chamber 7, a sealing adapter 8, a sealing guide pipe 9, a heat-conducting plate 10, a wave-shaped heat-conducting plate 11, an air guide pipe 12, a cooling medium inlet 13, a heat-conducting block 14, a heat-conducting grid 15, a circular flaring 16, a cooling medium outlet 17, a pipeline 18, a cooling medium box 19, a water pump 20 and a small-sized cooling compressor 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the energy-saving battery radiator for an electric vehicle comprises a cooling medium, left and right heat dissipation medium pipe groups (2, 3) symmetrically fixed to two sides of a battery 1, and a medium circulation cavity 4 arranged at the front end of the battery 1, wherein two ends of the medium circulation cavity 4 are communicated with the left and right heat dissipation medium pipe groups (2, 3) at two sides of the battery 1, the left and right heat dissipation medium pipe groups (2, 3) each comprise a plurality of vertically arranged heat dissipation medium pipes 5, the medium circulation cavity 4 comprises a vertically arranged advection chamber 7 separated by a partition plate 6 and corresponding to the heat dissipation medium pipes 5, the heat dissipation medium pipes 5 are communicated with the advection chamber 7 through a sealing adapter 8, vertically adjacent heat dissipation medium pipes 5 are communicated with each other through a sealing conduit 9, the cooling medium flows to the heat dissipation medium pipe 5 at the other side through the heat dissipation medium pipe 5 at the advection chamber 7, the heat dissipation medium pipe 5 on the other side is communicated with the heat dissipation medium pipe 9 up and down, the heat conduction plate 10 communicated with the automobile air inlet grille is arranged at the front end of the medium circulation cavity 4, the heat conduction plate 10 is provided with a horizontal wave-shaped heat conduction plate 11 from top to bottom, an air pipe 12 penetrating through the advection chamber 7, the sealing adapter 8 and the heat dissipation medium pipe 5 is further arranged on the heat conduction plate 10 corresponding to each heat dissipation medium pipe 5, and the two ends of the air pipe 12 are respectively in sealing connection with the advection chamber 7 and the heat dissipation medium pipe 5.
In this example, the top of the left heat dissipation medium tube group 2 is provided with a cooling medium inlet 13, the radiator enters the cooling medium from the cooling medium inlet 13 on one side and then circulates in the whole radiator, and the bottom of the heat dissipation medium tube on the lowest layer of the radiator, namely the bottom of the right heat dissipation medium tube group 3, is provided with a cooling medium outlet 17.
In this example, the top end of the battery 1 is further fixed with an upper heat conducting block 14, and the upper heat conducting block 14 is provided with a plurality of heat conducting grid sheets 15 fixed perpendicular to the upper heat conducting block 14, so that the battery 1 is sufficiently contacted with air through the heat conducting grid sheets 15 and the upper heat conducting block 14 to dissipate heat, and the heat dissipation effect of the heat sink is further enhanced.
In this example, heat conducting glue is arranged between the battery 1 and the left and right heat dissipation medium pipe groups (2, 3), the medium circulation cavity 4 and the upper heat conducting block 14, so that heat transfer is faster and the heat dissipation effect on the battery is more uniform by arranging the heat conducting glue.
In this example, the front end of the air conduit 12 is further provided with a circular flared opening 16, and the circular flared opening 16 is arranged, so that the flowing air of the automobile air inlet grille can be more easily guided into the radiator, and the secondary heat dissipation of the radiator is completed.
In this example, the heat-dissipating medium pipe 5, the medium circulation cavity 4 and the air duct 12 are made of copper or aluminum, and the cooling medium is water.
In this example, the coolant outlet 17 is connected via a line 18 to a coolant tank 19, a water pump 20 in that order, and finally via a line 18 to the coolant inlet 13, the coolant tank 19 being cooled by a small-scale cooling compressor 21. After the cooling medium is cooled by the cooling medium tank 19, the cooling medium is delivered back to the cooling medium inlet 13 through the pipeline 18 by the water pump 20, thereby completing the circulation process.
Based on the above, this kind of radiator working process is in the heat dissipation medium pipe 5 of one side for flowing into through cooling medium, then flows to the heat dissipation medium pipe 5 of opposite side through advection room 7, and by the sealed pipe 9 of the heat dissipation medium pipe 5 end of this opposite side flows to the heat dissipation medium pipe 5 of next floor downwards in, then flows to the heat dissipation medium pipe 5 of opposite side from next floor advection room 7 along opposite flow direction, relapse in proper order, the radiating effect is even and big with battery 1's laminating area, compact structure, the heat exchange effect is strong. When the cooling medium in the left and right heat radiation medium pipe groups (2 and 3) and the medium circulation cavity 4 is used for heat radiation, the flowing air of the automobile air inlet grille enters the whole radiator through the air conduit 12 and penetrates through the radiator from multiple positions, the secondary heat radiation effect of air heat radiation is formed, particularly, the cooling medium in each heat radiation medium pipe 5 and the flow chamber 7 is cooled, the temperature of the cooling medium is further reduced, the cooling effect of the cooling medium on the battery 1 is better, and the heat exchange efficiency is higher. In addition, the medium circulation cavity 4, the left radiating medium pipe group (2) and the right radiating medium pipe group (3) are communicated through the sealing adapter 8, the air conduit 12 can be sealed through the sealing ring, and therefore all parts of the radiator can be detached to facilitate maintenance and replacement, and the radiator has the advantages of longer service life and low cost.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. An energy-saving battery radiator of an electric automobile is characterized by comprising a cooling medium, a left radiating medium pipe group and a right radiating medium pipe group which are symmetrically fixed and attached to two sides of a battery, and a medium circulation cavity arranged at the front end of the battery, wherein two ends of the medium circulation cavity are communicated with the left radiating medium pipe group and the right radiating medium pipe group on two sides of the battery, the left radiating medium pipe group and the right radiating medium pipe group respectively comprise a plurality of radiating medium pipes which are vertically arranged, the medium circulation cavity comprises a advection chamber which is vertically arranged and is separated by a partition plate and corresponds to the radiating medium pipes, the radiating medium pipes are communicated with the advection chamber through a sealing adapter, vertically adjacent radiating medium pipes are communicated through a sealing pipe, the cooling medium flows to the radiating medium pipe on the other side through the advection chamber through the radiating medium pipe on one side and flows up and down through the sealing pipe between the radiating, the heat-conducting plate is characterized in that the front end of the medium circulation cavity is provided with a heat-conducting plate communicated with an automobile air inlet grid, the heat-conducting plate is provided with a horizontal wave-shaped heat-conducting plate from top to bottom, the heat-conducting plate is further provided with air guide pipes which penetrate through the advection chamber, the sealing adapter and the heat-dissipation medium pipes correspondingly to the heat-dissipation medium pipes, and two ends of each air guide pipe are respectively in sealing connection with the advection chamber and the heat-dissipation medium.
2. The energy-saving battery radiator for an electric vehicle as claimed in claim 1, wherein the top of the uppermost heat dissipation medium pipe of the radiator is provided with a cooling medium inlet, and the bottom of the lowermost heat dissipation medium pipe of the radiator is provided with a cooling medium outlet.
3. The energy-saving battery radiator for an electric vehicle as claimed in claim 1, wherein an upper heat conducting block is further fixed on the top end of the battery, and the upper heat conducting block is provided with a plurality of heat conducting grid plates fixed perpendicular to the upper heat conducting block.
4. The energy-saving battery radiator of an electric vehicle as claimed in claim 3, wherein heat conducting glue is arranged between the battery and the left and right heat dissipation medium pipe groups, the medium circulation cavity and the upper heat conducting block.
5. The energy-saving battery radiator for the electric automobile as claimed in claim 1, wherein the front end of the air conduit is further provided with a round flaring.
6. The energy-saving battery radiator for the electric automobile as recited in claim 1, wherein the heat-dissipating medium pipe, the medium circulation cavity and the air conduit are made of copper or aluminum, and the cooling medium is water.
7. The energy-saving battery radiator of an electric vehicle as claimed in claim 2, wherein the cooling medium outlet is sequentially communicated with a cooling medium tank and a water pump through pipelines, and is finally communicated with the cooling medium inlet through a pipeline, and the cooling medium tank is cooled by a small-sized cooling compressor.
CN201810739813.0A 2018-07-06 2018-07-06 Energy-saving battery radiator for electric automobile Active CN109037833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810739813.0A CN109037833B (en) 2018-07-06 2018-07-06 Energy-saving battery radiator for electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810739813.0A CN109037833B (en) 2018-07-06 2018-07-06 Energy-saving battery radiator for electric automobile

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CN109037833A CN109037833A (en) 2018-12-18
CN109037833B true CN109037833B (en) 2020-06-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112366399A (en) * 2021-01-13 2021-02-12 南京姆森自动化技术有限公司 Combined battery pack for unmanned aerial vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148412A (en) * 2010-02-09 2011-08-10 中大工业集团公司 Automatic control cooling device of battery pack of electric passenger vehicle
CN103283063A (en) * 2010-12-28 2013-09-04 株式会社Lg化学 Battery module storage device, battery module temperature adjustment device, and electric power storage system having same
CN103715472A (en) * 2012-09-29 2014-04-09 上海汽车集团股份有限公司 Cooling water jacket and vehicle power battery system
CN103928729A (en) * 2014-04-15 2014-07-16 合肥工业大学 Electric vehicle power battery pack temperature control system based on heat pipes
CN105552476A (en) * 2016-03-07 2016-05-04 宁德时代新能源科技股份有限公司 Thermal management system for battery pack
WO2016072328A1 (en) * 2014-11-07 2016-05-12 株式会社ヴァレオジャパン Battery temperature control unit, and battery pack using same
CN107196019A (en) * 2017-06-06 2017-09-22 深圳市奈士迪技术研发有限公司 A kind of good new energy car battery case of heat sinking function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148412A (en) * 2010-02-09 2011-08-10 中大工业集团公司 Automatic control cooling device of battery pack of electric passenger vehicle
CN103283063A (en) * 2010-12-28 2013-09-04 株式会社Lg化学 Battery module storage device, battery module temperature adjustment device, and electric power storage system having same
CN103715472A (en) * 2012-09-29 2014-04-09 上海汽车集团股份有限公司 Cooling water jacket and vehicle power battery system
CN103928729A (en) * 2014-04-15 2014-07-16 合肥工业大学 Electric vehicle power battery pack temperature control system based on heat pipes
WO2016072328A1 (en) * 2014-11-07 2016-05-12 株式会社ヴァレオジャパン Battery temperature control unit, and battery pack using same
CN105552476A (en) * 2016-03-07 2016-05-04 宁德时代新能源科技股份有限公司 Thermal management system for battery pack
CN107196019A (en) * 2017-06-06 2017-09-22 深圳市奈士迪技术研发有限公司 A kind of good new energy car battery case of heat sinking function

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