CN109378551B - Novel phase change cooling and heating integrated structure of power battery - Google Patents
Novel phase change cooling and heating integrated structure of power battery Download PDFInfo
- Publication number
- CN109378551B CN109378551B CN201811382943.XA CN201811382943A CN109378551B CN 109378551 B CN109378551 B CN 109378551B CN 201811382943 A CN201811382943 A CN 201811382943A CN 109378551 B CN109378551 B CN 109378551B
- Authority
- CN
- China
- Prior art keywords
- power battery
- type aluminum
- heat
- aluminum soaking
- heat exchange
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 230000008859 change Effects 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 96
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 96
- 238000002791 soaking Methods 0.000 claims abstract description 94
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 43
- 238000001704 evaporation Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000012071 phase Substances 0.000 description 27
- 230000008020 evaporation Effects 0.000 description 12
- 238000009833 condensation Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000011161 development Methods 0.000 description 8
- 239000007791 liquid phase Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012782 phase change material Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6567—Liquids
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a novel phase change cooling and heating integrated structure of a power battery, which comprises a power battery module clamp, a temperature sensor and a control unit, wherein blowing-up type aluminum soaking plates and heat exchange copper flat pipes, the shapes of which are matched with the outer contours of cylindrical power cells and are in fit contact with the curved surfaces of the cylindrical power batteries, are closely arranged in gaps at two sides of each column of cylindrical power batteries, the top and the bottom of the power battery module are sequentially and overlapped and are provided with blowing-up type aluminum soaking plates and heat exchange copper flat pipes, and the heat exchange copper flat pipes at the bottom of the power battery module are wrapped with heating films. According to the invention, through radiating or heating various charge and discharge working conditions of the power battery pack efficiently, the temperature of the battery cells is controlled, and the temperature difference between different battery cells is effectively reduced, so that the whole power battery pack works within a reasonable temperature range, and the problem of thermal management of the cylindrical power battery modules which are densely distributed is effectively solved.
Description
Technical Field
The invention relates to a power battery thermal management system for an electric automobile, in particular to a novel phase-change cooling and heating integrated structure of a power battery.
Technical Field
With the increasing energy crisis and environmental pollution, new energy automobiles replace traditional engine automobiles and become the necessary trend of the development of automobile industry in all countries of the world nowadays. More importantly, in the development of various new energy automobile technologies and products at present, the electric automobile is already the main force army for future development. And lithium ion batteries are regarded as ideal power sources of electric automobiles by virtue of their excellent performances. During use of lithium ion batteries, heat build-up and temperature increases can accelerate decay of battery life. In addition, the battery module may fail prematurely due to battery charge and over-discharge phenomena, which may cause inconsistent capacities among the battery cells. The ideal working temperature interval of the current main flow power battery is 20-50 ℃, the temperature gradient in the battery pack is required to be controlled to be as low as 5 ℃ as possible, but the power battery thermal management system on the market is difficult to match and increasingly improve the energy density of the power battery pack. Therefore, the development of a thermal management system for the power battery pack of the electric automobile is urgent, and the development of a safe and reliable thermal management system for adjusting the working temperature of the power battery reduces the temperature difference of the battery cells in the power battery pack, so that the development of the electric automobile is a challenge which cannot be spanned on the road.
Through exploration and practice for several years, the current high-energy-density electric automobile power battery thermal management system is focused on liquid cooling and phase change materials gradually. The liquid cooling and heating management system uses a cold carrier liquid to flow on the surface of the power battery module, and takes away heat generated in the battery module by utilizing the high heat capacity characteristic of the cold carrier liquid. However, since the liquid is directly contacted with the battery pack, there is a risk of short circuiting the battery due to leakage of the liquid. Meanwhile, compared with an air cooling heat management system, the liquid cooling heat management system is complex, equipment is heavy, and manufacturing cost is high. Phase change materials are also a technical means currently under development to be able to be used for thermal management of power battery packs. The PCM and the heat pipe 2 types can be largely classified. The former uses the phase change latent heat of the solid-liquid phase change process, and the latter uses the working medium to generate quick phase change in the heat pipe, and the working medium is circularly reciprocated, thereby realizing heat conduction. PCM type phase change material thermal management systems lose heat absorbing capacity after the material is completely melted. Meanwhile, the controllability is poor. In order to obtain more ideal heat management performance, the active development of a heat pipe phase change material heat management system is a promising technical route. However, the conventional heat pipes, such as copper water heat pipes, and aluminum flat heat pipes are difficult to be directly applied in the cylindrical power battery module.
Disclosure of Invention
Based on the structure, the invention discloses a novel phase change cooling and heating integrated structure of a power battery.
The invention is realized by adopting the following technical scheme:
the novel phase-change cooling and heating integrated structure of the power battery comprises a power battery module fixture for installing a cylindrical power battery pack in an array, a temperature sensor for measuring the temperature of the cylindrical power battery pack, and a control unit,
the top of the power battery module is sequentially overlapped and provided with an expansion type aluminum soaking plate and a heat exchange copper flat tube which are in heat transfer contact with the heat conduction plane at the top of each expansion type aluminum soaking plate, and the bottom of the power battery module clamp is sequentially overlapped and provided with an expansion type aluminum soaking plate and a heat exchange copper flat tube which are in heat transfer contact with the heat conduction plane at the bottom of each expansion type aluminum soaking plate; the inner cavity of the expansion type aluminum soaking plate is internally provided with a phase change heat exchange working medium in a sealing way; the control unit is connected with the temperature sensor, the heating film and the heat exchange liquid supply system of the heat exchange copper flat tube through a circuit; the heat exchange copper flat tubes positioned at the top end and the bottom end can select to independently or simultaneously pass through cooling liquid and adjust the flow according to the heat radiation load during heat radiation; when heating, according to the heating load, simultaneously or independently passing heating liquid and adjusting the flow, selecting whether to open the heating film, and adapting to the working condition requirement in the best mode.
Further, the expansion type aluminum soaking plate comprises a plurality of double-sided expansion type aluminum soaking plates positioned between two adjacent longitudinal column type power batteries and two single-sided expansion type aluminum soaking plates positioned at the outer sides of the left and right longitudinal column type power batteries.
Further, the double-sided inflation type aluminum soaking plate is of a symmetrical structure, and comprises first inflation sections which are positioned at the junction of the longitudinal gap and the transverse gap of the cylindrical power battery pack and can be matched with the outer contours of two adjacent longitudinal cylindrical batteries simultaneously, and first straight line sections which are connected between the first inflation sections and contain supporting ribs, wherein the first inflation sections positioned at the top and the bottom are provided with first heat conduction planes which are perpendicular to the axis of the double-sided inflation type aluminum soaking plate and are respectively in heat conduction contact with the inflation type aluminum flat plates placed at the top and the bottom of the power battery module.
Further, the single-sided inflation type aluminum soaking plate comprises second inflation sections which can be matched with the profile of the outer side of the cylindrical power battery at the outermost side, and second straight-line sections which are connected between the second inflation sections and contain supporting ribs, wherein the second inflation sections positioned at the top and the bottom are provided with second heat conduction planes which are perpendicular to the second straight-line sections and are in heat conduction contact with inflation type aluminum soaking plates placed at the top and the bottom of the power battery module respectively.
Further, the expansion type aluminum soaking plate comprises a middle supporting plate, a condensing end and an evaporating end, wherein the condensing end and the evaporating end are respectively arranged on the upper end face and the lower end face of the middle supporting plate in a protruding mode through an expansion molding process, the inner cavities of the condensing end and the evaporating end are communicated, the evaporating end of the expansion type aluminum soaking plate placed at the top of the power battery module is attached to a plane formed by the heat conducting planes at the top ends of the expansion type aluminum soaking plates, and the condensing end of the expansion type aluminum soaking plate is attached to a heat exchange copper flat tube above; the condensing end of the expansion type aluminum soaking plate placed at the bottom of the power battery module is attached to a plane formed by the heat conduction planes at the bottom ends of the expansion type aluminum soaking plates, and the evaporating end of the expansion type aluminum soaking plate is attached to the upper surface of the heating film wrapping the heat exchange copper flat tube.
Further, the height of the condensing end from the center of the intermediate support plate in the thickness direction is larger than the height of the evaporating end from the center of the intermediate support plate, and the purpose is that: the shorter evaporation end can form an internal liquid phase cavity which is easier to be uniformly distributed, and the higher condensation end can form a gas phase space with more sufficient heat exchange area.
Further, the thickness of the middle supporting plate is 1-1.5mm, the height of the condensing end from the center of the middle supporting plate in the thickness direction is 1.5-2.5mm, the height of the evaporating end from the center of the middle supporting plate is 1-1.4mm, and the formed upper end face and lower end face are guaranteed to be within 0.8mm, so that the contact area is guaranteed.
Further, the double-sided expansion type aluminum equalizing pipe, the single-sided expansion type aluminum equalizing pipe and the expansion type aluminum equalizing plate are uniformly formed by adopting an expansion molding process, so that the respective required external adaptation curved surfaces are formed, meanwhile, a closed internal working medium circulation cavity is formed, and the working medium stored in the cavity can exchange heat with the outside through the external adaptation curved surfaces, continuously absorb and release phase change latent heat, and form a rapid phase change cycle, thereby realizing the functions of efficient heat transfer and uniform temperature of the vapor chamber.
Further, the heat exchange copper flat tube arranged at the top and the bottom of the power battery module is a flat tube with a certain width; the axis of the heat exchange flat copper pipe is arranged in parallel with the axis of the cylindrical power battery.
Further, the control unit is used for controlling the heat exchange liquid supply system to simultaneously feed cooling liquid into the heat exchange copper flat tubes positioned at the top end and the bottom end during heat dissipation; or cooling liquid is respectively and independently introduced according to the heat radiation load, and the flow rate is adjusted. When heating, according to the load condition, heating liquid is simultaneously introduced and the heating film is started to heat, so that the heating speed is improved; or independently starting the heating film and the heating liquid, and adjusting the flow of the heating liquid to adapt to the working condition requirement in the optimal mode.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs a complete power battery thermal management system structure. It can radiate or heat the power battery according to different working conditions. The structure comprises the heat exchange copper flat tube and the heating film as cold and heat sources of the module, the invention can integrally perform cold start on the electric automobile under the condition of severe cold weather, and can also perform efficient heat dissipation on the battery cell in the module under the high-power charge and discharge working condition of the electric automobile, thereby ensuring that the whole module works within a reasonable temperature range.
2. The novel phase change cooling and heating integrated structure of the power battery has the advantages that the raw materials and the processing flow of key parts are unified, aluminum profiles are used, and the manufacturing difficulty of the special-shaped structure is solved by using the blowing manufacturing process, so that the battery core and the special-shaped blowing structure can be in good matching contact (contact thermal resistance is reduced). The inflatable soaking flat plates are arranged at the top and bottom of the module, so that the uniform distribution of cold and heat of the battery module is effectively ensured, the liquid cooling flat copper tubes are adopted as main ways of heat dissipation and heating of the battery module on the heat conveying structure, the cold and hot circulating liquid of the existing heat pump on the vehicle is fully utilized, the heating film is further additionally arranged, and the battery is heated by means of the external power supply of the vehicle, so that the service performance of the battery for the vehicle in winter is improved. Therefore, the integrated structure is easy to realize the heating and cooling integration of the power battery module, can simplify the structure of a battery thermal management system and improve the reliability of the power battery pack.
3. The novel phase change cooling and heating integrated structure of the power battery can solve the problem of two heat management pain points of the maximum working temperature and the maximum temperature difference of the battery module, adopts a uniform manufacturing process, strictly controls the size of each part, has an integrated structure formed by assembling, has high energy density, is easy to assemble and disassemble, and is convenient for subsequent maintenance and cascade utilization of the power battery pack.
4. The power battery thermal management control unit can be dynamically adjusted according to the working temperature of the power battery module, is beneficial to saving the operation energy consumption of related equipment and improves the energy efficiency of the system.
Drawings
FIG. 1 is a schematic diagram of a novel phase change cooling and heating integrated structure of a power battery according to an embodiment of the present invention;
FIG. 2 is a side view of a novel phase change cooling and heating integrated structure of a power cell according to an embodiment of the present invention;
FIG. 3 is a top view of a novel phase change cooling and heating integrated structure of a power cell according to an embodiment of the present invention;
FIG. 4 is an exploded view of a novel phase change cooling and heating integrated structure of a power cell in accordance with one embodiment of the present invention;
FIG. 5 is a schematic view of the profile of a double-sided blown aluminum thermal chamber in accordance with one embodiment of the present invention;
FIG. 6 is a horizontal cross-sectional view of a double-sided, blown aluminum vapor chamber in accordance with one embodiment of the invention;
FIG. 7 is a schematic view of an exemplary single-sided blown aluminum thermal chamber according to one embodiment of the present invention;
FIG. 8 is a vertical cross-sectional view of a single-sided, blown aluminum vapor chamber in accordance with one embodiment of the invention;
FIG. 9 is a schematic view of the profile of an exemplary blown aluminum soaking plate in accordance with one embodiment of the present invention;
FIG. 10 is a vertical cross-sectional view of an inflatable aluminum soaking plate in one embodiment of the present invention;
wherein, 1 is a cylindrical power battery, 2 is a double-sided inflation type aluminum soaking plate, 2-1 is a first inflation section, 2-2 is a first straight line section, 2-3 is a first heat conduction plane, 2-4 is a first air inlet, 3 is a single-sided inflation type aluminum soaking plate, 3-1 is a second inflation section, 3-2 is a second straight line section, 3-3 is a second heat conduction plane, 3-4 is a second air inlet, 4 is an inflation type aluminum soaking plate, 4-1 is a condensing end, 4-2 is an evaporation end, 4-3 is a third air inlet, 4-4 is an intermediate support plate, 5 is a heat exchange copper flat tube, 6 is a power battery module clamp, 7 is a heating film, 8 is a temperature sensor, and 9 is a control unit.
Detailed Description
For a better understanding of the present invention, reference will now be made to the following description of the invention taken in conjunction with the accompanying drawings and examples.
As shown in fig. 1 to 4, a novel phase change cooling and heating integrated structure of a power battery comprises a power battery module clamp for installing a cylindrical power battery pack 1 in an array, a temperature sensor 8 for monitoring the temperature of the cylindrical power battery pack 1, and a control unit 9, wherein the gaps at two sides of each column of cylindrical power battery are respectively filled with an expansion type aluminum soaking plate with a shape matched with the outer contour of a cylindrical battery core and closely attached to the curved surface of each cylindrical power battery, the top of the power battery module is sequentially overlapped with an expansion type aluminum soaking plate 4 and a heat exchange copper flat tube 5 which are in heat transfer contact with the heat conduction plane at the top of each expansion type aluminum soaking plate, and the bottom of the power battery module is sequentially overlapped with an expansion type aluminum plate and a heat exchange copper flat tube 5 which are wrapped with a heating film 7; the inner cavity of the expansion type aluminum soaking plate 4 is internally provided with a phase change heat exchange working medium in a sealing way; the control unit is connected with a temperature sensor 8, a heating film 7 and a heat exchange liquid supply system of the heat exchange copper flat tube 5 through a circuit.
Eight claw jacks are arranged on the power battery module clamp and are used for placing and fixing 21700 cylindrical ternary lithium power batteries which are arranged in a 9*5 matrix and have horizontal axes, current in the modules is converged on a current collecting plate to form a parallel circuit, a longitudinal gap and a transverse gap are reserved between the battery cores, and the narrowest position is only 1.55mm, so that a battery module with high energy density is formed as shown in fig. 4.
The inflatable aluminum soaking plate comprises a plurality of double-sided inflatable aluminum soaking plates 2 positioned between two adjacent longitudinal column type cylindrical power batteries and two single-sided inflatable aluminum soaking plates 3 positioned at the outer sides of the left and right longitudinal column type cylindrical power batteries.
Specifically, as shown in fig. 5 and 6, the double-sided expansion aluminum soaking plate 2 has a symmetrical structure, and includes a first expansion section 2-1 located at the junction of the longitudinal gap and the transverse gap of the cylindrical power battery pack 1 and adapted to the outer contours of two adjacent longitudinal columns of cylindrical batteries, and a first straight section 2-2 connected between the first expansion sections 2-1 and containing supporting ribs, wherein the first expansion sections 2-1 located at the top and bottom ends are provided with first heat conduction planes 2-3 perpendicular to the axis of the double-sided expansion aluminum soaking plate 2 and respectively in heat conduction contact with the expansion aluminum soaking plates 4 placed at the top and bottom of the power battery module.
As shown in fig. 7 and 8, the double-sided expansion aluminum soaking plate 2 is of a symmetrical structure, and comprises first expansion sections 2-1 located at the junction of the longitudinal gap and the transverse gap of the cylindrical power battery pack 1 and capable of simultaneously adapting to the outer contours of two adjacent longitudinal columns of cylindrical batteries, and first straight line sections 2-2 connected between the first expansion sections 2-1 and containing supporting ribs, wherein the first expansion sections 2-1 located at the top and bottom ends are provided with first heat conduction planes 2-3 perpendicular to the axis of the double-sided expansion aluminum soaking plate 2 and respectively in heat conduction contact with the expansion aluminum soaking plates 4 placed at the top and bottom of the power battery module.
As shown in fig. 9 and 10, the inflatable aluminum soaking plate 4 includes a middle support plate 4-4, and a condensation end 4-1 and an evaporation end 4-2 respectively protruding from an upper end surface and a lower end surface of the middle support plate 4-4 by an inflation molding process, wherein inner cavities of the condensation end 4-1 and the evaporation end 4-2 are communicated, and a height between the condensation end 4-1 and a center of the middle support plate 4-4 in a thickness direction is greater than a height between the evaporation end 4-2 and the center of the middle support plate 4-4. The evaporation ends 4-2 of the expansion type aluminum soaking plates 4 placed at the top of the power battery module are attached to planes formed by heat conduction planes at the top ends of the expansion type aluminum soaking plates, and the condensation ends 4-1 of the expansion type aluminum soaking plates are attached to the heat exchange copper flat tubes 5; the condensing end 4-1 of the inflatable aluminum soaking plate 4 placed at the bottom of the power battery module is attached to a plane formed by the heat conduction planes at the bottom ends of the inflatable aluminum soaking plates, and the evaporating end 4-1 of the inflatable aluminum soaking plate is attached to the upper surface of the heating film 7 wrapping the heat exchange copper flat tube 5.
The double-sided expansion type aluminum soaking plate 2, the single-sided expansion type aluminum soaking plate 3 and the expansion type aluminum soaking plate 4 are uniformly formed by adopting an expansion forming process, the requirements on comprehensive balance strength, density, heat transfer and the like are met, the high-ductility Al-3003 is selected as a raw material, two aluminum plates are put into a preformed die after being subjected to the steps of cleaning, printing riveting, rolling, annealing and the like, high-pressure inert gas (as shown in fig. 5-9) is injected into the first air inlet 2-4, the second air inlet 3-4 and the third air inlet 4-3, and the complex appearance curved surface with an inner cavity and the bonding with the surface of a single battery is easily formed under the pressure of gas expansion and the reactive force of the die, so that the thermal resistance on the whole heat transfer path of the battery module is reduced, the raw materials and the processing flow of key parts are uniform, and the manufacturing complexity of the whole structure is reduced. After the formed inflation plate is cleaned, the internal cavity of the plate is vacuumized, a proper amount of electronic fluoride liquid is injected from an inlet of the inflation plate in a sealed environment, and then sealing treatment is carried out, so that the vapor chamber with low thermal resistance, strong heat transfer capability and good vapor chamber performance is manufactured. The vapor chamber is used in the gravity direction, the working medium density is large, the viscosity is small, the working medium circulation reflux effect is good, the vapor chamber has an electric insulation effect, is easy to volatilize, and can avoid battery short-circuit accidents caused by leakage of the working medium after structural damage occurs.
As shown in fig. 5-8, the double-sided expansion aluminum soaking plate 2 and the single-sided expansion aluminum soaking plate 3 respectively pump high-pressure inert gas into two ends of the pipe through the first air inlet 2-4 and the second air inlet 3-4 to respectively form three structures: the gas-phase heat exchange space can be increased as much as possible by adapting the first bulge section 2-1 with the maximum thickness reaching 15mm and the second bulge section 3-1 with the maximum thickness reaching 8.6mm with the outer contour of the cylindrical cell; and can just insert the longitudinal clearance plate thickness of the battery module and 1.55mm, wall thickness 0.4mm, first straight line section 2-2 and second straight line section 3-2 comprising supporting rib; and a first heat conduction plane 2-3 and a second heat conduction plane 3-3 with the top and bottom ends perpendicular to the axis. The double-sided inflation type aluminum soaking plates 2 are vertically inserted into the internal gaps of the battery module, the single-sided inflation type aluminum soaking plates 3 are inserted into the gaps of two sides of the module, the first inflation section 2-1 and the second inflation section 3-1 are correspondingly inserted into the junction of the longitudinal gap and the transverse gap of the battery module, good contact with the outer surfaces of all surrounding battery cells can be ensured, and the double-sided inflation type aluminum soaking plates are a main working area of the soaking plates; the first straight line section 2-2 and the second straight line section 3-2 are just contacted with two side electric cores at the narrowest part of the longitudinal gap, the first heat conduction plane 2-3 with the area of 40mm and 15mm rectangular and the second heat conduction plane 3-3 with the area of 40mm and 8.6mm rectangular are formed by rolling, cutting and polishing after inflation molding, approximate horizontal planes are formed at the top and bottom ends of the module together, and are respectively contacted with the inflation type aluminum soaking flat plate 4 placed at the top and bottom of the power battery module as much as possible.
Specifically, the thickness of the middle supporting plate of the expansion type aluminum soaking flat plate 4 is 1.2mm, the height of the condensation end 4-1 is 2.1mm relative to the center of the thickness direction of the supporting plate, the height of the evaporation end 4-2 is 1.4mm, and the flatness of the formed upper end face and the lower end face is ensured to be within 0.8 mm. The center of the condensation end 4-1 is attached to the lower surface of the heat exchange copper flat tube 5 at the top of the power battery module, the evaporation end 4-2 is attached to a plane formed by a first heat conduction plane 2-3 and a second heat conduction plane 3-3 at the top of a soaking plate inserted into the battery module, the shorter evaporation end 4-2 corresponds to an inner liquid phase cavity which is easier to uniformly distribute, and the higher condensation end 4-1 corresponds to a more sufficient gas phase heat exchange space.
In this embodiment, as shown in fig. 4, the heat exchange copper flat tube 5 has a width-to-thickness ratio of 2: the rectangular section flat tube with the thickness below 6mm is more than 1, the whole height of the structure is reduced as much as possible, the copper tube axis is arranged in parallel with the inner electric core axis of the module, according to different requirements of heat dissipation and heating, the cooling water can be controlled to be supplied to the heat exchange copper flat tube 5 at the top of the power battery module, or the hot water can be controlled to be supplied to the heat exchange copper flat tube 5 at the bottom of the power battery module, and the temperature and flow of circulating water can be regulated.
In another embodiment, the liquid cooling of the heat exchange copper flat tube mode arrangement can be adjusted in a targeted manner according to different space limitations and heat dissipation requirements.
In another embodiment, the heating film is used as a heat source of the power battery module and is a PET flexible film heater with the thickness of only 0.3mm, so that the low-temperature cooling liquid in the wrapped heat exchange copper flat tube 5 can be further heated, the adjustable heating power is provided for the module, and the electric heating mode is started quickly;
in one embodiment, the heating film is driven by a small storage battery and is used for preheating the power battery pack of the vehicle when the electric vehicle is in cold start;
the temperature sensor 8 is arranged on the surface of the central cell inside the battery module, is connected to the external centralized control unit 9 through a wire, monitors temperature change in the module in real time and feeds back to the control unit 9 in time. The control unit 9 further makes a judgment according to the received temperature signal, and once the condition of implementing the control strategy is reached, relevant equipment is regulated and controlled, such as the circulating water flow and the temperature in the heat exchange copper flat tube 5 are changed, or the input current of the heating film 7 is changed, so that the temperature of the power battery module is controlled within a certain range.
In one embodiment, during winter, when the electric automobile is cold started, the temperature sensor 8 detects the temperature of the power battery module, and if the temperature is lower than 10 ℃, the control unit 9 controls the bottom end heat exchange copper flat tube 5 and the heating film 7 of the power battery module clamp to jointly act to supply hot water at about 30 ℃. The evaporating end of the expansion type aluminum soaking flat plate 4 placed at the bottom of the power battery module is heated, the working medium is boiled vigorously, gas is generated to float upwards and diffuse to the periphery rapidly, and the gas is condensed again at the condensing end and returns to the evaporating end along the supporting plate part, so that continuous phase change circulation is formed, the temperature of the whole condensing end face is increased uniformly, the liquid phase stored in the expansion section where the bottom of the soaking plate inserted into the module is contacted with the soaking flat plate is boiled greatly, the gas generated by phase change is diffused upwards under the action of local pressure, the first expansion section 2-1 and the second expansion section 3-1 of the contact part of the soaking plate and the power battery are at the condensing end at the moment, the low-temperature battery exchanges heat with the gas phase in the pipe through the contacted soaking plate wall surface, and the gas phase working medium is condensed and returns to the evaporating end along the first straight line section 2-2 and the second straight line section 3-2 wall surface, so that the working medium phase change circulation is completed, and heat transmission is continuously carried out. Because the phase change circulation continuously occurs, the gas phase fills the internal cavity of most of the soaking plate, the maximum temperature gradient of the wall surface of the condensing section part of the whole soaking plate is generally not more than 5 ℃, and each cylindrical battery contacted with the soaking plate can be considered to directly exchange heat with a cold source with approximately consistent temperature, thereby realizing the control target of small temperature difference between batteries at different positions in the whole module. When the temperature is lower than 0 ℃, an external power supply is used for starting the heating film 7, so that the circulation and the temperature of water in the heat exchange copper flat tube 5 are ensured. When the temperature sensor 8 detects that the temperature of the battery in the module reaches 10 ℃, the control unit 9 instructs the heating film 7 to stop working, and meanwhile, the control unit 9 gives out a signal to enable the battery module to start working. At this time, the battery module gradually increases in temperature to a normal working interval under the action of hot water supplied and self-heat release. In this embodiment, when the battery module is in a high-power charge-discharge working condition, the internal resistance of the battery itself and the chemical reaction occurring in the charging process will cause the temperature to rise. If the temperature sensor 8 detects that the temperature exceeds 35 ℃, the control unit 9 sends out a signal to increase the flow of cooling water distributed to the battery module and reduce the temperature of the cooling water, the cooling water enters the heat exchange copper flat tube 5 at the top of the power battery module, the heat exchange copper flat tube 5 at the top of the power battery module exchanges heat with the attached expansion type aluminum soaking flat plate 4, an expanded cold source is formed through the temperature equalizing effect of the soaking flat plate, cold quantity is continuously provided for the double-sided expansion type aluminum soaking plate 2 and the single-sided expansion type aluminum soaking plate 3 inserted into the module, at the moment, after the liquid phase working medium at the part of the expansion section which is originally in contact with the battery cells in the module is heated and gasified and ascends to the first heat conduction plane 2-3 and the second heat conduction plane 3-3 at the top, the liquid phase is condensed again when the liquid phase is encountered, the tube wall of the first straight line section 2-2 and the second straight line section 3-2 returns to the expansion section, at the moment, each expansion section on the soaking flat plate is the evaporation end, and the top expansion section is the condensation end. And the heat generated in the charging process of the power battery is greatly absorbed in the phase change process of the working medium, so that the battery module is controlled to be kept within a temperature range of 20-50 ℃. Along with the end of the charging condition, the control unit 9 regulates and controls the temperature and flow of the cooling water distributed to the battery module again, and the working temperature of the battery module is always kept in an ideal temperature interval. The heating film 7 does not take part in the operation during the whole cooling process.
In this embodiment, under different working conditions, the double-sided inflatable aluminum vapor chamber 2 and the single-sided inflatable aluminum vapor chamber 3 in the module are involved in the heating process of providing heat to the power battery module and the heat dissipation process of transferring the heat in the power battery module to the outside. Therefore, the top and bottom ends of each vapor chamber respectively serve as a condensing end and an evaporating end under different working conditions, and the corresponding pipe sections with the middle contacted with the cylindrical surface of the battery are respectively used as an evaporating section and a condensing section of the vapor chamber. The vapor chamber only depends on gravity and pressure gradient generated during evaporation to complete phase change circulation of the working medium, so that the evaporation end is always below the condensation end.
In one embodiment, the control unit is used for controlling the heat exchange liquid supply system to only feed cooling liquid into the heat exchange copper flat tube 5 positioned at the top end when radiating heat, so as to maintain the temperature of the battery module not to rise any more; when heating, only the heating liquid is introduced into the bottom heat exchange copper flat tube 5, and the preheating of the vehicle battery module is carried out under the lower temperature working condition.
In another embodiment, the control unit is used for controlling the heat exchange liquid supply system to simultaneously supply cooling liquid to the heat exchange copper flat tubes 5 positioned at the top end and the bottom end during heat dissipation, so as to improve the cooling effect of the battery module; during heating, heating liquid is introduced and the heating film 7 is started to heat, so that the heating time is shortened, and the rapid cold start of the battery module is realized.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that modifications may be made to the technical solutions described in the above embodiments or equivalents may be substituted for some of the technical features thereof, and such modifications or substitutions do not depart from the spirit and scope of the technical solutions according to the embodiments of the present invention.
Claims (5)
1. The utility model provides a power battery phase transition cooling and heating integrated structure, is including being used for array installation cylindrical power battery group (1) power battery module anchor clamps, be used for measuring cylindrical power battery group (1) temperature sensor (8), control unit (9), its characterized in that: the top of the power battery module is sequentially overlapped and provided with an expansion type aluminum soaking plate (4) and a heat exchange copper flat tube (5) which are in heat transfer contact with the heat conduction plane at the top of each expansion type aluminum soaking plate, and the bottom of the power battery module is sequentially overlapped and provided with an expansion type aluminum soaking plate (4) and a heat exchange copper flat tube (5) which are in heat transfer contact with the heat conduction plane at the bottom of each expansion type aluminum soaking plate; the inner cavities of the expansion type aluminum soaking plates (4) are respectively provided with a phase change heat exchange working medium in a sealing manner; the control unit is connected with a temperature sensor (8), a heating film (7) and a heat exchange liquid supply system of the heat exchange copper flat tube (5) through a circuit;
the inflatable aluminum soaking plates comprise a plurality of double-sided inflatable aluminum soaking plates (2) positioned between two adjacent longitudinal columns of cylindrical power batteries and two single-sided inflatable aluminum soaking plates (3) positioned outside the left and right longitudinal columns of cylindrical power batteries;
the double-sided expansion type aluminum soaking plate (2) is of a symmetrical structure and comprises a plurality of first expansion sections (2-1) which are positioned at the junction of a longitudinal gap and a transverse gap of the cylindrical power battery pack (1) and can be simultaneously matched with the outer contours of two adjacent longitudinal columns of cylindrical batteries, and first straight line sections (2-2) which are connected between the first expansion sections (2-1) and contain supporting ribs, wherein the first expansion sections (2-1) positioned at the top end and the bottom end are provided with first heat conduction planes (2-3) which are perpendicular to the axes of the double-sided expansion type aluminum soaking plate (2) and are respectively in heat conduction contact with expansion type aluminum soaking plates (4) placed at the top end and the bottom end of the power battery module;
the single-sided inflation type aluminum soaking plate (3) comprises second inflation sections (3-1) which can be matched with the outer side outline of the cylindrical power battery at the outermost side and second straight line sections (3-2) which are connected between the second inflation sections (3-1) and contain supporting ribs, wherein the second inflation sections (3-1) positioned at the top and bottom ends are provided with second heat conduction planes (3-3) which are perpendicular to the second straight line sections (3-2) and are respectively in heat conduction contact with inflation type aluminum soaking plates (4) positioned at the top and bottom of the power battery module;
the expansion type aluminum soaking plate (4) comprises an intermediate support plate (4-4), a condensing end (4-1) and an evaporating end (4-2) which are respectively arranged on the upper end face and the lower end face of the intermediate support plate (4-4) in a protruding mode through an expansion molding process, wherein inner cavities of the condensing end (4-1) and the evaporating end (4-2) are communicated, the evaporating end (4-2) of the expansion type aluminum soaking plate (4) placed at the top of the power battery module is attached to a plane formed by heat conduction planes at the top ends of the expansion type aluminum soaking plates, and the condensing end (4-1) is attached to a heat exchange copper flat tube (5); the condensing end (4-1) of the expansion type aluminum soaking plate (4) arranged at the bottom of the power battery module is attached to a plane formed by heat conduction planes at the bottom ends of the expansion type aluminum soaking plates, and the evaporating end (4-2) is attached to the upper surface of a heating film (7) wrapping the heat exchange copper flat tube (5);
the control unit (9) is used for controlling the heat exchange liquid supply system to simultaneously feed cooling liquid into the heat exchange copper flat tubes (5) positioned at the top end and the bottom end during heat dissipation; or cooling liquid is respectively and independently introduced according to the heat radiation load, and the flow is adjusted; when heating, according to the load condition, heating liquid is simultaneously introduced and the heating film (7) is started to heat, so that the heating speed is improved; or independently starting the heating film and the heating liquid, and adjusting the flow of the heating liquid to adapt to the working condition requirement in the optimal mode.
2. The integrated power cell phase change cooling and heating structure of claim 1, wherein: the height of the condensing end (4-1) from the center of the middle supporting plate (4-4) in the thickness direction is larger than the height of the evaporating end (4-2) from the center of the middle supporting plate (4-4).
3. The integrated power cell phase change cooling and heating structure of claim 2, wherein: the thickness of the middle supporting plate (4-4) is 1-1.5mm, the height of the condensing end (4-1) from the center of the middle supporting plate (4-4) in the thickness direction is 1.5-2.5mm, the height of the evaporating end (4-2) from the center of the middle supporting plate (4-4) is 1-1.4mm, and the flatness of the upper end face and the lower end face is formed within 0.8 mm.
4. The integrated power cell phase change cooling and heating structure of claim 1, wherein: the double-sided inflation type aluminum soaking plate (2), the single-sided inflation type aluminum soaking tube (3) and the inflation type aluminum soaking plate (4) are uniformly formed by adopting inflation forming technology, so that external adaptation curved surfaces required by the double-sided inflation type aluminum soaking plate are formed, a closed internal working medium circulation cavity is formed, and working medium sealed in the cavity can exchange heat with the outside through the external adaptation curved surfaces, so that phase change latent heat is continuously absorbed and released, and a rapid phase change cycle is formed.
5. The integrated power cell phase change cooling and heating structure of claim 1, wherein: the heat exchange copper flat tubes (5) arranged at the top and the bottom of the power battery module are flat tubes with a certain width; the axis of the heat exchange copper flat tube (5) is parallel to the axis of the cylindrical power battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382943.XA CN109378551B (en) | 2018-11-20 | 2018-11-20 | Novel phase change cooling and heating integrated structure of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382943.XA CN109378551B (en) | 2018-11-20 | 2018-11-20 | Novel phase change cooling and heating integrated structure of power battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378551A CN109378551A (en) | 2019-02-22 |
| CN109378551B true CN109378551B (en) | 2023-11-10 |
Family
ID=65376586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382943.XA Active CN109378551B (en) | 2018-11-20 | 2018-11-20 | Novel phase change cooling and heating integrated structure of power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378551B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095000B (en) * | 2019-04-26 | 2024-05-14 | 深圳兴奇宏科技有限公司 | Inflation plate structure and manufacturing method thereof |
| CN110224197B (en) * | 2019-06-12 | 2020-12-04 | 安徽江淮松芝空调有限公司 | Power 18650 battery directly cools off board |
| CN111121412A (en) * | 2020-01-17 | 2020-05-08 | 深圳市山村联合实业有限公司 | Cylinder electricity core toasts anchor clamps |
| CN111542202B (en) * | 2020-04-21 | 2021-05-14 | 华南理工大学 | Inflation type soaking plate and manufacturing method thereof |
| CN113382611B (en) * | 2021-06-21 | 2022-12-13 | 上海电力大学 | Phase change's heat dissipation subsides |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011175911A (en) * | 2010-02-25 | 2011-09-08 | Sanyo Electric Co Ltd | Battery cooling/heating structure and battery module |
| JP2011181224A (en) * | 2010-02-26 | 2011-09-15 | Sanyo Electric Co Ltd | Battery cooling/heating structure and battery module |
| CN102891344A (en) * | 2012-10-17 | 2013-01-23 | 安徽江淮汽车股份有限公司 | Temperature control module for power battery of electric automobile |
| CN106033827A (en) * | 2015-03-18 | 2016-10-19 | 广东万锦科技股份有限公司 | Power battery thermal management system with functions of efficient heat dissipation and efficient heating |
| CN107403974A (en) * | 2017-07-13 | 2017-11-28 | 浙江超威创元实业有限公司 | A kind of electrokinetic cell radiating and equal hot systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT2659543T (en) * | 2010-12-29 | 2024-04-30 | Byd Co Ltd | Battery module, battery temperature managing system and vehicle comprising the same |
-
2018
- 2018-11-20 CN CN201811382943.XA patent/CN109378551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011175911A (en) * | 2010-02-25 | 2011-09-08 | Sanyo Electric Co Ltd | Battery cooling/heating structure and battery module |
| JP2011181224A (en) * | 2010-02-26 | 2011-09-15 | Sanyo Electric Co Ltd | Battery cooling/heating structure and battery module |
| CN102891344A (en) * | 2012-10-17 | 2013-01-23 | 安徽江淮汽车股份有限公司 | Temperature control module for power battery of electric automobile |
| CN106033827A (en) * | 2015-03-18 | 2016-10-19 | 广东万锦科技股份有限公司 | Power battery thermal management system with functions of efficient heat dissipation and efficient heating |
| CN107403974A (en) * | 2017-07-13 | 2017-11-28 | 浙江超威创元实业有限公司 | A kind of electrokinetic cell radiating and equal hot systems |
Non-Patent Citations (1)
| Title |
|---|
| 便携式均热板性能测试***设计;周文杰;曾志新;李勇;;机械设计与制造(12) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109378551A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109378551B (en) | Novel phase change cooling and heating integrated structure of power battery | |
| CN201936970U (en) | Power battery module | |
| WO2018107926A1 (en) | Indirect-contact liquid cooling/heating device and method for power battery pack | |
| CN201859929U (en) | Power battery cooling and heating device for electric automobile | |
| CN102244133B (en) | Heat pipe photovoltaic hot water composite system combined with thermoelectric plate | |
| CN112886093A (en) | Active control type full-immersion liquid cooling power battery thermal management system | |
| CN109449334B (en) | Battery thermal management device based on three-dimensional temperature equalization plate | |
| CN206451784U (en) | A kind of battery thermal management system | |
| CN103401044A (en) | Power battery heat management system based on flat plate heat pipes | |
| CN111312954B (en) | Electric vehicle battery thermal management device and thermal management method | |
| CN106374163A (en) | Thermal management system for batteries | |
| CN102709618A (en) | Microchannel cooling temperature equalizing system for ventilation of lithium battery | |
| CN108110371A (en) | A kind of power battery module structure | |
| CN207368172U (en) | A kind of battery pack thermal management system using phase-change material | |
| CN110943265B (en) | Preparation of battery thermal management device coupled with novel bionic heat pipe and bidirectional heat flow control method | |
| CN112582703B (en) | Novel battery cooling structure based on coupling of heat pipe and liquid cooling plate | |
| KR102371514B1 (en) | A Cooling/Heating Structure composed of cylindrical battery Cells | |
| CN106602170A (en) | Variable contact-type battery heat management system | |
| CN110112502B (en) | Electric automobile power battery attemperator, cooling system and electric automobile | |
| CN218632215U (en) | Battery package, thermal management system and vehicle | |
| CN110739425A (en) | vertical lithium battery pack air-cooling type thermal management system and method with high protection level | |
| CN110120566A (en) | A kind of power battery cooling system for electronic vehicle and electric car | |
| CN206271838U (en) | A kind of power battery pack indirect contact liquid cooling/heater | |
| CN113410540B (en) | Power battery module cooling system | |
| CN212627813U (en) | Heat dissipation device for photovoltaic power station power generation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |