CN220527018U - Battery pack with liquid cooling plate - Google Patents
Battery pack with liquid cooling plate Download PDFInfo
- Publication number
- CN220527018U CN220527018U CN202322172998.0U CN202322172998U CN220527018U CN 220527018 U CN220527018 U CN 220527018U CN 202322172998 U CN202322172998 U CN 202322172998U CN 220527018 U CN220527018 U CN 220527018U
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- CN
- China
- Prior art keywords
- liquid cooling
- battery pack
- plate
- bottom plate
- battery
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- 238000001816 cooling Methods 0.000 title claims abstract description 117
- 239000007788 liquid Substances 0.000 title claims abstract description 117
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Secondary Cells (AREA)
Abstract
The utility model discloses a battery pack with a liquid cooling plate, which comprises a liquid cooling bottom plate, a liquid cooling cover plate, an electric core module and a box cover, wherein a runner is arranged on the liquid cooling bottom plate, an interface for connecting external liquid cooling equipment is arranged in the runner, the electric core module is arranged on the liquid cooling cover plate, explosion-proof valves are arranged at the bottoms of the electric core module, and are correspondingly connected with explosion-proof valve holes on the liquid cooling cover plate one by one during installation, the liquid cooling cover plate is covered on the upper end surface of the liquid cooling bottom plate, and the explosion-proof valve holes are positioned above the runner. According to the utility model, the battery core module and the explosion-proof valve hole are arranged above the flow channel, so that the liquid cooling flow channel of the battery pack can effectively play a role in heat dissipation when the battery normally operates, and when the battery is in thermal runaway, chemical substances sprayed out of the battery can directly enter the liquid cooling flow channel, and the chemical substances are carried away from the battery pack through the liquid cooling system, so that the ignition and explosion of the battery pack can be effectively restrained and avoided.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery pack with a liquid cooling plate.
Background
Currently, as the pressure of resources and environments continuously increases, new energy automobiles represented by electric automobiles become an important direction of automobile industry development, the electric automobiles gradually open the market and enter people's life, and at present, a power battery system of the new energy automobiles is one of the most critical parts of the whole automobile and the parts with the highest safety requirements, and along with the continuous breakthrough of battery technology, the development of pure electric automobiles is listed as an important strategy of the new energy automobiles by the industry.
In the technical evolution of power cells, temperature has been the factor that has the greatest impact on the performance and life of power cells. When the electric automobile runs under different working conditions such as acceleration, uniform speed and deceleration, the battery discharges at different multiplying powers, meanwhile, heat in the battery pack continuously gathers, if the generated heat cannot be timely taken out of the battery pack, the service life of the battery and even the safety of the whole automobile can be endangered by overheat temperature, and therefore heat dissipation treatment is generally required for the power battery. The liquid cooling plate is a key component in the thermal management system. In the prior art, the battery module is usually in direct contact with the liquid cooling plate runner to dissipate heat, but the surface of the runner is uneven and cannot be uniformly contacted with the surface of the battery module, so that the actual heat dissipation effect is poor; in addition, when the temperature of the battery module is too high, harmful chemical substances released from the battery due to runaway accumulate inside the battery pack, and the risk of fire and explosion is easily caused. Therefore, it is needed to provide a battery pack with a liquid cooling plate capable of discharging harmful chemicals to solve the above-mentioned heat dissipation and safety problems.
Disclosure of Invention
The utility model aims to provide a battery pack with a liquid cooling plate, which solves the problems of poor heat dissipation effect of the battery pack and fire or explosion of the battery pack caused by accumulation of chemical substances leaked by a battery.
In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:
the utility model provides a take battery package of liquid cooling board, includes liquid cooling bottom plate, liquid cooling apron, electricity core module and case lid, be provided with the runner on the up end on the liquid cooling bottom plate, have the interface that is used for connecting outside liquid cooling equipment in the runner, the liquid cooling apron is the heat conduction material, and electricity core module arranges on the liquid cooling apron, and electricity core module bottom is provided with explosion-proof valve, and during the installation, explosion-proof valve is connected with the explosion-proof valve hole one-to-one on the liquid cooling apron, the liquid cooling apron lid closes on the up end of liquid cooling bottom plate, explosion-proof valve hole is located the top of runner.
Further, the battery cell module is fixed on the liquid cooling cover plate in a glue coating mode.
Further, the flow channel is a groove arranged on the upper end face of the liquid cooling bottom plate.
Further, the grooves are multiple, and at least one opening communicated with other grooves is arranged between the grooves.
Further, the grooves are of a strip-shaped structure.
Further, the liquid cooling cover plate is connected with the liquid cooling bottom plate in a welding mode.
Further, the cross sections of the liquid cooling bottom plate and the liquid cooling cover plate are rectangular.
Further, the plurality of interfaces for connecting the external liquid cooling equipment are respectively arranged on the outer edges of the liquid cooling bottom plate flow channels.
Further, the battery pack also comprises a case cover, the case cover comprises a containing cavity and a flange arranged at the outer edge of the containing cavity, the containing cavity is sleeved on the battery cell module and is connected with the liquid cooling cover plate and the liquid cooling bottom plate through the flange.
Further, the liquid cooling cover plate, the liquid cooling bottom plate and the flange are respectively provided with bolt holes corresponding to the holes one by one, and the liquid cooling cover plate, the liquid cooling bottom plate and the box cover are connected through bolts.
Due to the adoption of the technical scheme, the beneficial effects of the application are that:
according to the utility model, the battery core module and the explosion-proof valve hole are arranged above the flow channel, so that the liquid cooling flow channel of the battery can uniformly and effectively play a role in heat dissipation when the battery normally operates, and when the battery is in thermal runaway, chemical substances sprayed out of the battery can enter the liquid cooling flow channel through the explosion-proof valve and the explosion-proof valve hole on the liquid cooling cover plate, and the chemical substances are carried away from the battery pack through the liquid cooling system, so that the accumulation of harmful chemical substances in the battery pack can be avoided, and the ignition and explosion of the battery pack can be effectively inhibited and avoided.
Drawings
Fig. 1 is an exploded view of a battery pack according to the present utility model;
FIG. 2 is a schematic diagram of a liquid-cooled backplane of the present utility model;
FIG. 3 is a schematic diagram of a liquid-cooled cover plate according to the present utility model;
FIG. 4 is a schematic view of a cover of the present utility model;
FIG. 5 is a schematic diagram of the installation of a battery cell module and a liquid cooling cover plate according to the present utility model;
FIG. 6 is a schematic view of the overall structure of the battery pack according to the present utility model;
the figure indicates: 1, liquid cooling a bottom plate; 2, liquid cooling cover plate; 3, an electric core module; 4, a box cover; 5 upper end face; 6, a runner; 7, an interface; 8, an explosion-proof valve; 9 an explosion-proof valve hole; 10 openings; 11 a housing chamber; a 12 flange; 13 liquid cooling cover plate bolt holes; 14 liquid cooling of the bottom plate bolt holes; 15 case cover bolt holes;
Detailed Description
Referring to fig. 1 and 2, the utility model provides a battery pack with a liquid cooling plate, which comprises a liquid cooling bottom plate (1), a liquid cooling cover plate (2), an electric core module (3) and a box cover (4), wherein a flow channel (6) is arranged on the upper end surface (5) of the liquid cooling bottom plate (1), a plurality of interfaces (7) for connecting external liquid cooling equipment are arranged in the flow channel (6), the electric core module (3) is adhered to the liquid cooling cover plate (2) in a glue coating mode, an explosion-proof valve (8) is arranged at the bottom of the electric core module (3), the explosion-proof valve (8) is connected with explosion-proof valve holes (9) on the liquid cooling cover plate (2) in a one-to-one correspondence mode during installation, the liquid cooling cover plate (2) is covered on the upper end surface (5) of the liquid cooling bottom plate (1), and the explosion-proof valve holes (9) are positioned above the flow channel (6). In this embodiment, liquid cooling apron (2) are heat conduction material, can be copper, iron, aluminium, preferably aluminium, liquid cooling apron (2) are abundant, even contact with battery module bottom and liquid cooling bottom plate (1) to realize reducing the temperature of battery package during operation through runner (6) of liquid cooling bottom plate (1) with outside liquid cooling equipment intercommunication, when battery package cell module (3) take place out of control, in explosion-proof valve (8) and explosion-proof valve hole (9) entering liquid cooling runner (6) on liquid cooling apron (2) of battery spun chemical can be through explosion-proof valve, take chemical away from the battery package through the liquid cooling system, can avoid harmful chemical to pile up in the battery package, effectively restrain and avoid battery package fire and explosion.
Referring to fig. 2, preferably, the flow channel (6) of the liquid cooling bottom plate (1) is a plurality of rectangular long grooves formed on the upper end surface (5) of the liquid cooling bottom plate (1), at least one opening (10) communicated with other grooves is arranged between the grooves, the interfaces (7) for connecting external liquid cooling equipment are respectively arranged on the outer edges of the flow channel (6) of the liquid cooling bottom plate, and the structures of the flow channel (6) formed by the grooves and the interfaces (7) of the external liquid cooling equipment are adopted, so that heat dissipation is more uniform and efficient.
Referring to fig. 1, fig. 4, fig. 6, preferably, the cross section of liquid cooling bottom plate (1), liquid cooling apron (2), case lid (4) all is the rectangle, case lid (4) are including holding cavity (11) and flange (12) of setting on holding the cavity outer fringe, hold cavity (11) cup joint on electric core module (3), be provided with the bolt hole of a plurality of hole sites one-to-one on liquid cooling apron (2), liquid cooling bottom plate (1) and flange (12) respectively, liquid cooling apron (2) lid closes on up end (5) of liquid cooling bottom plate (1), welds both edges, finally through bolt with liquid cooling apron (2), liquid cooling bottom plate (1) and case lid (4) fixed connection. The whole structure that adopts the cuboid of battery package of this scheme makes external structure succinct more, reduces the battery package to the occupancy rate in other spaces in the car, adopts the mode of a plurality of bolt fastening liquid cooling apron (2), liquid cooling bottom plate (1) and case lid flange (12), makes case lid (4) be difficult for droing in the use, can play the inner structure of effective protection battery package, the effect of dismantling when also being convenient for the maintenance simultaneously.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A battery pack with a liquid cooling plate, comprising: the battery cell module comprises a liquid cooling bottom plate (1), a liquid cooling cover plate (2) and at least one battery cell module (3); a runner (6) is arranged on the upper end surface (5) of the liquid cooling bottom plate (1), and an interface (7) for connecting external liquid cooling equipment is arranged in the runner (6); the liquid cooling cover plate (2) is made of heat conduction materials, the battery cell module (3) is arranged on the liquid cooling cover plate (2), the explosion-proof valve (8) is arranged at the bottom of the battery cell module (3), and the explosion-proof valve (8) is correspondingly connected with the explosion-proof valve holes (9) on the liquid cooling cover plate (2) one by one; the liquid cooling cover plate (2) is covered on the upper end face (5) of the liquid cooling bottom plate (1), and the explosion-proof valve hole (9) is positioned above the flow channel (6).
2. The battery pack with a liquid cooling plate according to claim 1, wherein: the battery cell module (3) is fixed on the liquid cooling cover plate (2) in a glue coating mode.
3. The battery pack with a liquid cooling plate according to claim 1, wherein: the flow channel (6) is a groove arranged on the upper end surface (5) of the liquid cooling bottom plate (1).
4. A battery pack with a liquid cooling plate according to claim 3, wherein: the number of the grooves is multiple, and at least one opening (10) communicated with other grooves is arranged between the grooves.
5. The battery pack with a liquid cooling plate according to claim 4, wherein: the groove is of a strip-shaped structure.
6. The battery pack with a liquid cooling plate according to claim 1, wherein: the liquid cooling cover plate (2) is connected with the liquid cooling bottom plate (1) in a welding mode.
7. The battery pack with the liquid cooling plate according to claim 1, wherein the cross sections of the liquid cooling bottom plate (1) and the liquid cooling cover plate (2) are rectangular.
8. The battery pack with the liquid cooling plate according to any one of claims 1 to 7, wherein a plurality of interfaces (7) for connecting external liquid cooling devices are respectively arranged on the outer edges of the flow channels (6) on the liquid cooling bottom plate (1).
9. The battery pack with the liquid cooling plate according to claim 1, further comprising a case cover (4), wherein the case cover (4) comprises a containing cavity (11) and a flange (12) arranged on the outer edge of the containing cavity (11), the containing cavity (11) is sleeved on the battery module (3), and the battery pack is connected with the liquid cooling cover plate (2) and the liquid cooling bottom plate (1) through the flange (12).
10. The battery pack with the liquid cooling plate according to claim 9, wherein a plurality of bolt holes in one-to-one correspondence are respectively arranged on the liquid cooling cover plate (2), the liquid cooling bottom plate (1) and the flange (12), and the liquid cooling cover plate (2), the liquid cooling bottom plate (1) and the case cover (4) are connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172998.0U CN220527018U (en) | 2023-08-14 | 2023-08-14 | Battery pack with liquid cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172998.0U CN220527018U (en) | 2023-08-14 | 2023-08-14 | Battery pack with liquid cooling plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527018U true CN220527018U (en) | 2024-02-23 |
Family
ID=89934562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322172998.0U Active CN220527018U (en) | 2023-08-14 | 2023-08-14 | Battery pack with liquid cooling plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527018U (en) |
-
2023
- 2023-08-14 CN CN202322172998.0U patent/CN220527018U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |