CN216054897U - Liquid cooling plate assembly, battery pack and automobile - Google Patents
Liquid cooling plate assembly, battery pack and automobile Download PDFInfo
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- CN216054897U CN216054897U CN202122023549.0U CN202122023549U CN216054897U CN 216054897 U CN216054897 U CN 216054897U CN 202122023549 U CN202122023549 U CN 202122023549U CN 216054897 U CN216054897 U CN 216054897U
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- 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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Abstract
The application belongs to the technical field of battery heat dissipation, and particularly relates to a liquid cooling plate assembly, a battery pack and an automobile, which comprise a first composite material plate, a polyurethane foam aluminum plate, a second composite material plate and a liquid cooling plate, wherein the polyurethane foam aluminum plate is clamped between the first composite material plate and the second composite material plate, and the liquid cooling plate is attached to one side surface, deviating from the polyurethane foam aluminum plate, of the second composite material plate; the polyurethane foamed aluminum plate comprises a foamed aluminum plate and a polyurethane foam body for filling holes of the foamed aluminum plate. The liquid cooling plate component has the advantages that the polyurethane foam aluminum plate can not only play a good heat preservation role, so that the whole impact resistance and the energy absorption capacity of the liquid cooling plate component are greatly enhanced, the module inside the battery pack plays a good protection role, and the whole electromagnetic shielding performance and the sound insulation performance of the liquid cooling plate component can be greatly improved.
Description
Technical Field
The application belongs to the technical field of battery heat dissipation, especially relates to a liquid cooling board subassembly, battery package and car.
Background
With the shortage of traditional energy and the increasingly prominent environmental problems, the development of new energy automobiles as a substitute for traditional automobiles becomes a hot spot of people's attention. The battery pack is used as a core component of a new energy automobile, and the importance of safety problems is very important. The internal temperature of the battery pack directly influences the safety of the battery pack, and further influences the use safety of the whole vehicle. In order to improve the safety of the battery pack, the temperature of the internal structure needs to be controlled, and therefore, it is important to increase the heat dissipation performance of the overall structure. Usually, a liquid cooling plate is installed in the battery module, and liquid is injected into the liquid cooling plate to dissipate heat of the battery core, the actual working temperature of the liquid cooling plate is 10-20 ℃, heat is taken away by the aid of a liquid coolant which flows circularly, and the purpose of dissipating heat is achieved by cooling the battery. The use of the liquid cooling plate has important application significance for ensuring the safety of the battery pack and prolonging the service life.
However, the existing liquid cooling plate has general impact resistance and energy absorption, under the vibration working condition and the impact working condition, the battery module in the battery pack is greatly impacted, the protection effect on the battery module in the battery pack is weaker, and the heat conducting glue for connecting the battery module and the liquid cooling plate is likely to be cracked due to the overlarge liquid cooling plate shape variable, so that the battery module is separated from the liquid cooling plate.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will solve is: to the problem that the protective action of current liquid cold drawing to the inside battery module of battery package is relatively weak, provide a liquid cold drawing subassembly, battery package and car.
In order to solve the technical problem, an embodiment of the application provides a liquid cooling plate assembly, which includes a first composite material plate, a polyurethane foam aluminum plate, a second composite material plate and a liquid cooling plate, wherein the polyurethane foam aluminum plate is clamped between the first composite material plate and the second composite material plate, and the liquid cooling plate is attached to one side surface of the second composite material plate, which is far away from the polyurethane foam aluminum plate;
the polyurethane foamed aluminum plate comprises a foamed aluminum plate and a polyurethane foam body for filling holes of the foamed aluminum plate.
Optionally, the polyurethane foam is completely contained within the holes of the aluminum foam sheet.
Optionally, the polyurethane foam aluminum plate has a crash damping rate of greater than 80%.
Optionally, the polyurethane foam aluminum plate is fixedly bonded to the first composite material plate and the second composite material plate.
Optionally, the first composite plate is a carbon fiber plate, and the second composite plate is a glass fiber plate.
Optionally, the liquid cooling plate includes a first laminate and a second laminate, the first laminate is fixedly attached to the second composite material plate, and the second laminate is fixed to a side surface of the first laminate, which is away from the second composite material plate, so that a liquid cooling channel is formed between the first laminate and the second laminate.
Optionally, the first layer plate is provided with a plurality of mutually spaced protruding structures, the tops of the protruding structures are fixed on the second layer plate, and the liquid cooling flow channel is formed by gaps of the plurality of protruding structures.
According to the liquid cooling board subassembly of this application embodiment, polyurethane foam aluminum plate presss from both sides and establishes between first combined material board and second combined material board, the liquid cooling board is attached on one side surface that deviates from polyurethane foam aluminum plate of second combined material board, compare general polyurethane foam body, polyurethane foam aluminum plate's of certain thickness collision damping rate can reach more than 80%, polyurethane foam aluminum plate not only can play good heat preservation effect, make the whole shock resistance of liquid cooling board subassembly, the energy-absorbing capacity obtains very big enhancement, thereby play fine guard action to the module of battery package inside, can also make the holistic electromagnetic shielding performance of liquid cooling board subassembly and sound insulation performance obtain very big improvement.
On the other hand, this application embodiment still provides a battery package, including tray and foretell liquid cooling plate subassembly, the edge of liquid cooling plate is fixed on the tray.
Optionally, the edge of the liquid cooling plate is connected to the tray by adhesive and bolts.
In another aspect, an embodiment of the present application further provides an automobile, which includes the above liquid cooling plate assembly or the above battery pack.
Drawings
FIG. 1 is a schematic cross-sectional view of a liquid cooled plate assembly and a tray as provided in one embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of a battery pack according to an embodiment of the present application;
fig. 4 is a schematic sectional view in the direction B-B in fig. 3.
The reference numerals in the specification are as follows:
1. a first composite sheet; 2. a polyurethane foam aluminum plate; 21. a foamed aluminum sheet; 22. a polyurethane foam; 3. a second composite sheet; 4. a liquid-cooled plate; 41. a first laminate; 42. a second laminate; 5. a liquid cooling flow passage; 6. a tray.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to 4, a liquid cooling plate assembly provided in an embodiment of the present application includes a first composite material plate 1, a polyurethane foam aluminum plate 2, a second composite material plate 3, and a liquid cooling plate 4, where the polyurethane foam aluminum plate 2 is sandwiched between the first composite material plate 1 and the second composite material plate 3, and the liquid cooling plate 4 is attached to a side surface of the second composite material plate 3 deviating from the polyurethane foam aluminum plate 2. The aluminum foam sheet 2 includes an aluminum foam sheet 21 and a polyurethane foam 22 filling holes of the aluminum foam sheet 21.
In one embodiment, the polyurethane foam 22 is completely contained in the hole of the foamed aluminum plate 21. The polyurethane foam aluminum plate 2 is obtained by quickly pouring mixed polyurethane into a closed container provided with a foam aluminum plate 22 for pressurization foaming, filling a polyurethane foam 21 generated by foaming into holes of the foam aluminum plate 22, polishing and curing.
In one embodiment, the collision damping rate of the aluminum polyurethane foam plate 2 is greater than 80%, so that the overall impact resistance and energy absorption capacity of the liquid cooling plate assembly are greatly enhanced.
In one embodiment, the aluminum polyurethane foam sheet 2 is bonded and fixed to the first composite material sheet 1 and the second composite material sheet 3 by an adhesive.
In one embodiment, the first composite sheet 1 is a carbon fiber sheet and the second composite sheet 3 is a glass fiber sheet. The thermal conductivity of the glass fiber plate is 0.23-1.06W/m.k, and the tensile strength of the glass fiber plate is 530-690 MPa.
In an embodiment, the liquid-cooled plate 4 includes a first layer plate 41 and a second layer plate 42, the first layer plate 41 is attached to the second composite material plate 3, and the second layer plate 42 is fixed on a side surface of the first layer plate 41 facing away from the second composite material plate 3, so as to form a liquid-cooled flow channel 5 between the first layer plate 41 and the second layer plate 42.
Preferably, the first layer plate 41 and the second layer plate 42 are both made of aluminum 3003, and the first layer plate 41 and the second layer plate 42 are fixed together by brazing. The first laminate 41 and the second composite material plate 3 are bonded and fixed through a hot pressing process.
In one embodiment, the first plate 41 is provided with a plurality of protruding structures spaced apart from each other, the tops of the protruding structures are fixed on the second plate 42, and the liquid cooling flow channel 5 is formed by gaps between the plurality of protruding structures.
The embodiment of the application provides a liquid cooling plate subassembly, polyurethane foam aluminum plate presss from both sides and establishes between first combined material board and second combined material board, the liquid cooling plate is attached at a side surface that deviates from polyurethane foam aluminum plate of second combined material board, compare general polyurethane foam, polyurethane foam aluminum plate's of certain thickness collision damping rate can reach more than 80%, polyurethane foam aluminum plate not only can play good heat preservation effect, make the whole shock resistance of liquid cooling plate subassembly, the energy-absorbing capacity obtains very big enhancement, thereby play fine guard action to the module of battery package inside, can also make the holistic electromagnetic shielding performance of liquid cooling plate subassembly and sound insulation performance obtain very big improvement.
In addition, this application embodiment still provides a battery package, including tray 6 and the liquid cooling plate subassembly of above-mentioned embodiment, the edge of liquid cooling plate 4 is fixed on tray 6.
In one embodiment, the edges of the liquid cooling plate 4 are attached to the tray 6 by adhesive and bolts.
In addition, this application embodiment still provides an automobile, includes the liquid cooling board subassembly of above-mentioned embodiment or the battery package of above-mentioned embodiment.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A liquid cooling plate assembly is characterized by comprising a first composite material plate, a polyurethane foam aluminum plate, a second composite material plate and a liquid cooling plate, wherein the polyurethane foam aluminum plate is clamped between the first composite material plate and the second composite material plate;
the polyurethane foamed aluminum plate comprises a foamed aluminum plate and a polyurethane foam body for filling holes of the foamed aluminum plate.
2. The liquid cooled panel assembly of claim 1, wherein the polyurethane foam is contained entirely within the holes of the aluminum foam panel.
3. The liquid cooled plate assembly of claim 1, wherein the urethane foam aluminum plate has a crash damping rate greater than 80%.
4. The liquid cooled panel assembly of claim 1, wherein the aluminum polyurethane foam panel is adhesively secured to the first composite panel and the second composite panel.
5. The liquid cooled plate assembly of claim 1, wherein the first composite plate is a carbon fiber plate and the second composite plate is a glass fiber plate.
6. The liquid cooled plate assembly of claim 1, wherein the liquid cooled plate comprises a first laminate and a second laminate, the first laminate being attached to the second composite plate, the second laminate being attached to a surface of the first laminate facing away from the second composite plate to form a liquid cooled channel therebetween.
7. The liquid cooling plate assembly of claim 6, wherein the first plate is provided with a plurality of raised structures spaced apart from one another, the tops of the raised structures being secured to the second plate, the gaps between the plurality of raised structures forming the liquid cooling flow passages.
8. A battery pack comprising a tray and a liquid-cooled plate assembly as claimed in any one of claims 1 to 7, said liquid-cooled plate being secured at its edges to said tray.
9. The battery pack of claim 8, wherein the edges of the liquid-cooled plate are attached to the tray by adhesive and bolts.
10. An automobile comprising a liquid cooled panel assembly according to any of claims 1-7 or a battery pack according to any of claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122023549.0U CN216054897U (en) | 2021-08-25 | 2021-08-25 | Liquid cooling plate assembly, battery pack and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122023549.0U CN216054897U (en) | 2021-08-25 | 2021-08-25 | Liquid cooling plate assembly, battery pack and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054897U true CN216054897U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122023549.0U Active CN216054897U (en) | 2021-08-25 | 2021-08-25 | Liquid cooling plate assembly, battery pack and automobile |
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| CN (1) | CN216054897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207550A (en) * | 2022-09-13 | 2022-10-18 | 江苏时代新能源科技有限公司 | Battery box, battery and electric equipment |
| CN117525724A (en) * | 2023-11-30 | 2024-02-06 | 安徽众源新能源科技有限公司 | Box frame, liquid cooling plate and foam aluminum sandwich guard plate integrated battery liquid cooling system |
-
2021
- 2021-08-25 CN CN202122023549.0U patent/CN216054897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207550A (en) * | 2022-09-13 | 2022-10-18 | 江苏时代新能源科技有限公司 | Battery box, battery and electric equipment |
| CN117525724A (en) * | 2023-11-30 | 2024-02-06 | 安徽众源新能源科技有限公司 | Box frame, liquid cooling plate and foam aluminum sandwich guard plate integrated battery liquid cooling system |
| CN117525724B (en) * | 2023-11-30 | 2024-09-06 | 安徽众源新能源科技有限公司 | Box frame, liquid cooling plate and foam aluminum sandwich guard plate integrated battery liquid cooling system |
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