CN113206322A - Air-cooled heat pipe composite heat dissipation structure of battery pack - Google Patents
Air-cooled heat pipe composite heat dissipation structure of battery pack Download PDFInfo
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- CN113206322A CN113206322A CN202110482042.3A CN202110482042A CN113206322A CN 113206322 A CN113206322 A CN 113206322A CN 202110482042 A CN202110482042 A CN 202110482042A CN 113206322 A CN113206322 A CN 113206322A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 34
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000012782 phase change material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Classifications
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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
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- H01M10/6569—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
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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)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery pack air-cooled heat pipe composite heat dissipation structure which comprises a shell, an upper cover and a heat pipe module, wherein a heat dissipation window is arranged on one side of the shell, a ventilation opening is formed in the surface of the heat dissipation window, a drainage fan is arranged on the other side of the shell, an electric core module is arranged on the inner side of the shell, a single-channel heat pipe is arranged on the inner side of the shell and is positioned on one side provided with the drainage fan, and fins are sleeved on the surface of the single-channel heat pipe; the vertical partial heat pipe outside cover that sets up has a large amount of fins, increase heat radiating area, improves heat exchange efficiency, and battery package front panel sets up the drainage fan, forces the heat transfer, takes the heat out of the battery package fast, through local heat pipe structure to use the forced air cooling structure to assist, two kinds of structural style combine together, and heat radiation structure can solve the heat dissipation demand of high multiplying power electricity core.
Description
Technical Field
The invention relates to the technical field of new energy battery development, in particular to a battery pack air-cooling heat pipe composite heat dissipation structure.
Background
Techniques for battery thermal management include: air cooling, liquid cooling, and temperature conditioning of the solid-liquid phase change material. The air cooling comprises natural air cooling and forced air cooling, and for a low-rate battery box, the heat of the battery core is not high, and the air cooling can be adopted. For a high-rate battery cell, the heat of the battery cell is higher, and liquid cooling can be adopted. When the battery cell charging and discharging multiplying power reaches more than 2C, the phase-change material is cooled to keep the battery cell temperature consistent.
The cooling cost of the existing air cooling technology is low, the battery has a heat exchange limit when the heat dissipation capacity is large, the temperature difference between the inner core and the outer core of the module is large, and the liquid cooling structure can improve the temperature consistency and needs to increase an infusion power system and external heat exchange equipment. The problem of low heat exchange efficiency also exists in the phase change material cooling, and phase change material is because its mobility is poor, and its heat exchange efficiency is not high, and after phase change material absorbed heat and reached the upper limit, still need increase driving system and go out the heat transfer, for this reason we provide a battery package forced air cooling heat pipe composite heat radiation structure.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a battery pack air-cooled heat pipe composite heat dissipation structure, which utilizes the principle that the liquid-gas phase change heat exchange quantity is large, designs a local heat pipe structure, uses an air-cooled structure for assistance, and combines the two structural modes to realize the temperature control of a battery pack and avoid the equipment loss of the battery pack caused by thermal runaway.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a battery package forced air cooling heat pipe composite heat radiation structure, includes shell, upper cover, heat pipe module, shell one side is provided with the heat dissipation window, the vent has been seted up on heat dissipation window surface, the shell opposite side is provided with the drainage fan, the shell inboard sets up electric core module, the shell inboard is provided with the single channel heat pipe, just the single channel heat pipe is in the one side that is provided with the drainage fan, single channel heat pipe surface cover is equipped with the fin, the both ends of single channel heat pipe all are provided with heat pipe intercommunication interface, the one end of heat pipe intercommunication interface is provided with the cold plate, the top surface of cold plate is provided with the heat conduction insulation board, electric core module has been placed on the top surface of heat conduction insulation board, just electric core module is inside the shell.
The heat pipe sealing structure is a single-channel heat pipe which is formed by a heat pipe wall, a liquid absorption core and liquid, the heat pipe wall is arranged in the single-channel heat pipe, the liquid absorption core is arranged on the inner side of the heat pipe wall, and the liquid is filled in the liquid absorption core.
As a preferred technical scheme of the invention, the air cooling channel is formed by the gap between the drainage fan and the battery cell module and the ventilation opening arranged on the surface of the heat dissipation window.
As a preferred technical scheme of the present invention, the battery core module is composed of sixteen battery packs, the surfaces of the sixteen battery packs are respectively provided with a battery case, and every two of the sixteen battery cases have a gap.
As a preferred technical solution of the present invention, the number of the drainage fans is two, and the two drainage fans are located on the same side of the housing.
According to the preferred technical scheme, the number of the fins is provided with a plurality of fins, the horizontal part of the heat pipe module is an S-shaped single-channel heat pipe paved in the cold plate, the vertical part of the heat pipe module is a plurality of single-channel heat pipes, the fins are sleeved outside the single-channel heat pipes, and the horizontal part single-channel heat pipes and the vertical part single-channel heat pipes are communicated closed channels.
As a preferable technical scheme of the invention, the structure of the liquid absorption core can adopt a wire mesh type structure or a sintering type structure, and the filling liquid can adopt ethanol, acetone or methanol.
As a preferred technical scheme of the invention, the cold plate material can adopt a six-series aluminum alloy material.
As a preferable technical scheme of the invention, the fin can adopt a six-series aluminum alloy material,
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the vertical partial heat pipe outside cover that sets up has a large amount of fins, increase heat radiating area, improves heat exchange efficiency, and battery package front panel sets up the drainage fan, forces the heat transfer, takes the heat out of the battery package fast, through local heat pipe structure to use the forced air cooling structure to assist, two kinds of structural style combine together, and heat radiation structure can solve the heat dissipation demand of high multiplying power electricity core.
2. Through the arranged liquid gas-liquid phase change heat exchange, the heat conduction capability of the heat exchanger is far greater than that of metals such as aluminum, copper, silver and the like. The phase-change steam is sealed in a smaller pipeline space, the battery cell cannot be corroded, the filling amount of the phase-change liquid is small, the phase-change steam can be recycled, and the cost is saved. 3. The invention utilizes the liquid gas-liquid phase change principle to exchange heat, the heat conduction capability of the heat exchanger is far greater than that of metals such as aluminum, copper, silver and the like, and phase change steam is sealed in a smaller pipeline space and cannot corrode a battery cell. 4. The invention designs a heat dissipation structure which does not need extra power, does not need circulating liquid feeding, only needs a small amount of liquid inside for circulating use, and has the advantages of low manufacturing cost, low maintenance cost and extremely high heat dissipation efficiency by utilizing the principle of large gas-liquid phase change heat exchange quantity.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall top view structure of the present invention;
FIG. 3 is a schematic overall side view of the present invention;
fig. 4 is a schematic side view of the heat dissipation window and the battery cell module according to the present invention;
FIG. 5 is a schematic top view of a cold plate single channel S-shaped heat pipe according to the present invention;
FIG. 6 is a schematic cross-sectional view of a heat pipe according to the present invention;
wherein: 1. a housing; 2. a heat dissipation window; 3. a battery cell module; 4. a single-channel heat pipe; 5. a flow-guiding fan; 6. an upper cover; 7. a cold plate; 8. the heat pipe is communicated with the interface; 9. a fin; 10. a thermally conductive insulating plate; 11. a vent; 12. a heat pipe module; 13. a liquid; 14. a wick; 15. and the wall of the heat pipe.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1, fig. 2, fig. 3, fig. 4 is shown, a battery package air-cooled heat pipe composite heat radiation structure, which comprises a housing 1, an upper cover 6, heat pipe module 12, 1 one side of housing is provided with heat dissipation window 2, vent 11 has been seted up on 2 surfaces of heat dissipation window, 1 opposite side of housing is provided with drainage fan 5, 1 inboard of housing sets up electric core module 3, 1 inboard of housing is provided with single channel heat pipe 4, and single channel heat pipe 4 is in the one side that is provided with drainage fan 5, 4 surface covers of single channel heat pipe are equipped with fin 9, the both ends of single channel heat pipe 4 all are provided with heat pipe intercommunication interface 8, the one end of heat pipe intercommunication interface 8 is provided with cold drawing 7, the top surface of cold drawing 7 is provided with heat conduction insulation board 10, electric core module 3 has been placed on the top surface of heat conduction insulation board 10, and electric core module 3 is in 1 inside of housing.
When the battery cell module 3 works, a large amount of heat is generated, the heat passes through the heat-conducting insulating plate 10 and is absorbed by the single-channel heat pipe 4 in the cold plate 7, after the single-channel heat pipe 4 in the cold plate 7 is heated, liquid in the wick 14 is evaporated and vaporized, the pressure intensity of the area is increased, steam flows to the single-channel heat pipe 4 in the vertical part under the action of pressure difference, the steam is condensed into liquid after reaching the pipe wall 15 of the heat pipe with lower temperature, the liquid is absorbed by the attached wick 14 and flows back to the horizontal heat pipe area under the action of capillary force, the heat absorbed by the single-channel heat pipe 4 in the vertical part after the next heating, evaporation and circulation flow is rapidly transmitted to the plurality of fins 9 sleeved outside, the fins 9 increase the heat dissipation area, and the drainage fan 5 is started to bring the heat out of the battery cell module 3; the horizontal part of this heat pipe module 12 is endothermic evaporating end, and vertical part is exothermic condensation end, relies on phase transition liquid endless evaporation and condensation, reaches the purpose with the continuous exhaust of the heat in the electric core.
In other embodiments, as shown in fig. 1, 5, and 6, the present embodiment discloses that the present invention further includes a heat pipe sealing structure, the heat pipe sealing structure is a single-channel heat pipe 4 formed by a heat pipe wall 15, a wick 14, and a liquid 13, the heat pipe wall 15 is disposed inside the single-channel heat pipe 4, the wick 14 is disposed inside the heat pipe wall 15, and the liquid 13 is filled inside the wick 14.
When the single-channel heat pipe 4 is heated, the liquid 13 in the wick 14 is evaporated and vaporized, the pressure in the area is increased, the vapor flows to the vertical part of the single-channel heat pipe 4 under the action of pressure difference and is condensed into the liquid 13 after reaching the pipe wall 15 of the heat pipe with lower temperature, the liquid 13 is absorbed by the attached wick 14 and flows back to the area of the horizontal single-channel heat pipe 4 under the action of capillary force, and the next heating, evaporating and circulating flow is carried out.
In other embodiments, as shown in fig. 1, fig. 2, and fig. 4, the wind direction of the drainage fan 5 is in the same wind direction as the gap between the battery cell module 3 and the ventilation 11 disposed on the surface of the heat dissipation window 2, and the three form a wind cooling channel; through designing a local heat pipe structure to use the forced air cooling structure to assist, two kinds of structural style combine together, realize the temperature control to electric core module 3, avoid electric core module 3 because the equipment loss that thermal runaway caused.
In other embodiments, as shown in fig. 1 and 2, the battery cell module 3 is composed of sixteen battery packs, wherein battery cases are disposed on the surfaces of the sixteen battery packs, and gaps are formed between every two of the sixteen battery cases; through this setting, the heat conduction is even, and the heat dissipation accelerates.
In other embodiments, as shown in fig. 2, the number of the drainage fans 5 is two, and the two drainage fans 5 are located on the same side of the housing 1; through this setting for the speed of forced air cooling fan heat.
In other embodiments, as shown in fig. 3 and 5, the present embodiment discloses that the number of the fins 9 is set to be several, the horizontal portion of the heat pipe module 12 is the cold plate 7 in which the S-shaped single-channel heat pipe 4 is laid, the vertical portion of the heat pipe module 12 is the several single-channel heat pipes 4, the exterior of the single-channel heat pipe 4 is sleeved with the several fins 9, and the horizontal portion single-channel heat pipe 4 and the vertical portion single-channel heat pipe 4 are communicated closed channels; utilize the big principle of gas-liquid phase transition heat transfer volume through this setting, one kind need not extra power, need not circulate the liquid feeding, only need the heat radiation structure of inside a small amount of liquid 13 recycling, through setting up a large amount of fins 9, increase heat radiating area, the cost of manufacture is few, and the maintenance cost is little, and the radiating efficiency is high.
In other embodiments, as shown in fig. 6, the wick 14 may be a wire mesh structure or a sintered structure, and the filling liquid 13 may be ethanol, acetone, or methanol; through the design, the phase change steam is sealed in a smaller pipeline space, and the battery cell cannot be corroded.
In other embodiments, as shown in fig. 5, the material of the cold plate 7 may be a six-series aluminum alloy material, so as to facilitate the use of the apparatus.
In other embodiments, as shown in fig. 5, the fin 9 may be made of six-series aluminum alloy material, so as to increase the practicability of the device.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a battery package forced air cooling heat pipe composite heat radiation structure, includes shell (1), upper cover (6), heat pipe module (12), its characterized in that: a heat dissipation window (2) is arranged on one side of the shell (1), a ventilation opening (11) is arranged on the surface of the heat dissipation window (2), a drainage fan (5) is arranged on the other side of the shell (1), a battery cell module (3) is arranged on the inner side of the shell (1), a single-channel heat pipe (4) is arranged on the inner side of the shell (1), and the single-channel heat pipe (4) is arranged at one side provided with the drainage fan (5), fins (9) are sleeved on the surface of the single-channel heat pipe (4), heat pipe communication interfaces (8) are arranged at two ends of the single-channel heat pipe (4), a cold plate (7) is arranged at one end of the heat pipe communication interface (8), a heat conduction insulating plate (10) is arranged on the top end surface of the cold plate (7), the battery cell module (3) is placed on the top surface of the heat-conducting insulating plate (10), and the battery cell module (3) is located inside the shell (1).
2. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, further comprising a heat pipe enclosure structure, wherein: the heat pipe closed structure is a single-channel heat pipe (4) jointly composed of a heat pipe wall (15), a liquid absorbing core (14) and liquid (13), the heat pipe wall (15) is arranged inside the single-channel heat pipe (4), the liquid absorbing core (14) is arranged on the inner side of the heat pipe wall (15), and the liquid (13) is filled inside the liquid absorbing core (14).
3. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the wind direction of the drainage fan (5) and the gap between the battery cell module (3) and the ventilation opening (11) arranged on the surface of the heat dissipation window (2) are in the same wind direction, and the three form a wind cooling channel together.
4. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the battery core module (3) is composed of sixteen battery packs, the surfaces of the sixteen battery packs are provided with battery cases, and every two of the sixteen battery cases are correspondingly provided with gaps.
5. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the number that drainage fan (5) set up is two altogether, and two drainage fan (5) are in the same side of shell (1).
6. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the quantity of fin (9) sets up a plurality of, S type single channel heat pipe (4) are laid in being cold plate (7) to the horizontal part of heat pipe module (12), the vertical part of heat pipe module (12) is a plurality of single channel heat pipe (4), and the outside cover of single channel heat pipe (4) has a plurality of fin (9), and horizontal part single channel heat pipe (4) and vertical part single channel heat pipe (4) are the closed channel of intercommunication.
7. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 2, characterized in that: the structure of the wick (14) can adopt a wire mesh type structure or a sintering type structure, and the filling liquid (13) can adopt ethanol, acetone or methanol.
8. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the cold plate (7) can be made of a six-series aluminum alloy material.
9. The air-cooled heat pipe composite heat dissipation structure of the battery pack according to claim 1, characterized in that: the fin (9) can be made of a six-series aluminum alloy material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110482042.3A CN113206322A (en) | 2021-04-30 | 2021-04-30 | Air-cooled heat pipe composite heat dissipation structure of battery pack |
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| CN202110482042.3A CN113206322A (en) | 2021-04-30 | 2021-04-30 | Air-cooled heat pipe composite heat dissipation structure of battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149189A (en) * | 2022-07-07 | 2022-10-04 | 岳阳耀宁新能源科技有限公司 | Lightweight air-cooled battery subrack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115149189A (en) * | 2022-07-07 | 2022-10-04 | 岳阳耀宁新能源科技有限公司 | Lightweight air-cooled battery subrack |
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