CN220341420U - Battery module with cooling device and battery pack thereof - Google Patents
Battery module with cooling device and battery pack thereof Download PDFInfo
- Publication number
- CN220341420U CN220341420U CN202321053148.2U CN202321053148U CN220341420U CN 220341420 U CN220341420 U CN 220341420U CN 202321053148 U CN202321053148 U CN 202321053148U CN 220341420 U CN220341420 U CN 220341420U
- Authority
- CN
- China
- Prior art keywords
- battery module
- liquid cooling
- cooling plate
- plate
- module body
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery module with a cooling device, which comprises: the battery module comprises a liquid cooling plate, a battery module body and at least two fixing brackets, wherein the liquid cooling plate is adhered to the bottom of the battery module body through heat conduction structural adhesive, and two ends of the liquid cooling plate are fixedly connected with two ends of the battery module body through the fixing brackets respectively; each fixing support is provided with a limiting column, the limiting column penetrates through the end portion of the liquid cooling plate, the limiting column is in transverse limiting fit with the liquid cooling plate, the fixing support is fixedly connected with the end portion of the battery module body, and the fixing support is in longitudinal limiting fit with the battery module body so that the liquid cooling plate is in tight contact with the battery module body. The utility model ensures that the liquid cooling plate is tightly attached to the battery module body, and the liquid cooling plate is fixed at the bottom of the battery module and the reaction force of the second heat insulation pad, so that the liquid cooling effect is ensured to be exerted to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of square lithium batteries, in particular to a battery module with a cooling device and a battery pack thereof.
Background
In order to improve the endurance performance of the electric automobile and ensure the service life of the battery, a cooling system is generally designed in the battery pack to adjust the working temperature of the battery, when the temperature of the working environment of the battery is too high, the cooling system takes away heat through heat exchange to cool the battery pack, and when the temperature of the working environment of the battery is too low, the cooling system transfers additional heat to the battery pack, so that the battery is in a comfortable working temperature range to obtain better cycle life.
The liquid cooling device in the prior art is not tightly contacted with the battery module, and the cooling effect is greatly reduced;
moreover, the traditional liquid cooling device is contacted with the battery module and the box body at the same time, so that the box body is cooled at the same time when the battery cell works, and ineffective cooling is formed.
Disclosure of Invention
Aiming at the problems of the prior liquid cooling device, the utility model aims at providing a battery module with a cooling device and a battery pack thereof.
The specific technical scheme is as follows:
a battery module having a cooling device, comprising: the battery module comprises a liquid cooling plate, a battery module body and at least two fixing brackets, wherein the liquid cooling plate is adhered to the bottom of the battery module body through heat conduction structural adhesive, and two ends of the liquid cooling plate are fixedly connected with two ends of the battery module body through the fixing brackets respectively;
each fixing support is provided with a limiting column, the limiting column penetrates through the end portion of the liquid cooling plate, the limiting column is in transverse limiting fit with the liquid cooling plate, the fixing support is fixedly connected with the end portion of the battery module body, and the fixing support is in longitudinal limiting fit with the battery module body so that the liquid cooling plate is in tight contact with the battery module body.
The battery module with the cooling device and the battery pack thereof are characterized in that each fixing support is provided with a first heat insulation pad, and the first heat insulation pads are propped between the liquid cooling plate and the fixing supports.
The battery module with the cooling device and the battery pack thereof are characterized in that the first heat insulation pad is sleeved on the limit column.
The battery module with the cooling device and the battery pack thereof are characterized in that each fixing support is L-shaped, each fixing support comprises a transverse plate and a longitudinal plate which are connected with each other, the limiting columns are vertically arranged on the transverse plates, and the longitudinal plates are fixedly connected with the end parts of the battery module body.
The battery module with the cooling device and the battery pack thereof are characterized in that at least one lug is arranged at two ends of the liquid cooling plate, a first limiting hole is formed in the lug, and the limiting column penetrates through the first limiting hole.
The battery module with the cooling device and the battery pack thereof are characterized in that the longitudinal plate is provided with a first mounting hole, two ends of the battery module body are respectively provided with an end plate, the end plates are provided with a second mounting hole, the first mounting hole is opposite to the second mounting hole, and the longitudinal plate is fixedly connected with the end plates through connecting pieces.
In the battery module with the cooling device and the battery pack thereof, the longitudinal plate extends into the end plate from bottom to top.
The battery pack comprises the battery module with the cooling device and the battery pack thereof, and further comprises: the battery module comprises a box body and a plurality of second heat insulation pads, wherein the box body is internally provided with a plurality of cavities, the second heat insulation pads are respectively placed in the cavities, the battery modules are respectively installed on the second heat insulation pads in the cavities, and the second heat insulation pads are elastic.
The battery pack is characterized in that the thickness of the second heat insulation pad is smaller than the distance between the bottom of the battery module and the bottom of the cavity.
The battery pack comprises a plurality of cavities, wherein the cavities are distributed at equal intervals along the length direction of the box body.
Compared with the prior art, the technical scheme has the following positive effects:
the battery module body and the liquid cooling plate are glued and integrated through the heat conduction structure, and the heat conduction structure is used for limiting and fixing the battery module body and the liquid cooling plate through the fixing support, so that the liquid cooling plate is guaranteed to be closely attached to the battery module body, the liquid cooling plate is fixed at the bottom of the battery module, and the reactive force of the second heat insulation pad is guaranteed to exert the liquid cooling effect to the greatest extent.
Drawings
Fig. 1 is a schematic view illustrating a structure of a battery module having a cooling device according to the present utility model;
fig. 2 is a schematic structural view of a fixing bracket in a battery module having a cooling device according to the present utility model;
fig. 3 is a schematic view illustrating a structure during the installation of a battery module having a cooling device according to the present utility model;
fig. 4 is a schematic view illustrating a structure during the installation of a battery module having a cooling device according to the present utility model;
fig. 5 is an exploded view of a battery pack according to the present utility model;
in the accompanying drawings: 1. a liquid cooling plate; 2. a battery module body; 3. a fixed bracket; 4. a heat conducting structural adhesive; 5. a limit column; 6. a first insulation mat; 7. a cross plate; 8. a longitudinal plate; 9. a lug; 10. a first limiting hole; 11. a first mounting hole; 12. a second mounting hole; 13. an end plate; 14. a connecting piece; 15. a case; 16. a second insulation mat; 17. a cavity; 18. and a battery module.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic view illustrating a structure of a battery module having a cooling device according to the present utility model;
fig. 2 is a schematic structural view of a fixing bracket in a battery module having a cooling device according to the present utility model;
fig. 3 is a schematic view illustrating a structure during the installation of a battery module having a cooling device according to the present utility model;
fig. 4 is a schematic view illustrating a structure of a battery module with a cooling device during installation of the battery module with a cooling device according to the present utility model, as shown in fig. 1 to 4, illustrating a battery module with a cooling device according to a preferred embodiment, comprising: the battery module comprises a liquid cooling plate 1, a battery module body 2 and at least two fixing brackets 3, wherein the liquid cooling plate 1 is adhered to the bottom of the battery module body 2 through a heat conduction structural adhesive 4, and two ends of the liquid cooling plate 1 are fixedly connected with two ends of the battery module body 2 through the fixing brackets 3 respectively.
Further, as a preferred embodiment, each fixing support 3 is provided with a limiting column 5, the limiting column 5 penetrates through the end portion of the liquid cooling plate 1, the limiting column 5 is in transverse limiting fit with the liquid cooling plate 1, the fixing support 3 is fixedly connected with the end portion of the battery module body 2, and the fixing support 3 is in longitudinal limiting fit with the battery module body 2, so that the liquid cooling plate 1 is in tight contact with the battery module body 2.
Further, as a preferred embodiment, each fixing bracket 3 is provided with a first heat insulation pad 6, and the first heat insulation pad 6 is abutted between the liquid cooling plate 1 and the fixing bracket 3.
Further, as a preferred embodiment, the first heat insulation pad 6 is sleeved on the limit post 5.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the present utility model, as shown in fig. 1 to 4, each fixing bracket 3 is L-shaped, each fixing bracket 3 includes a transverse plate 7 and a longitudinal plate 8 connected to each other, the limiting posts 5 are vertically disposed on the transverse plate 7, and the longitudinal plate 8 is fixedly connected to the end of the battery module body 2.
In a further embodiment of the present utility model, at least one lug 9 is disposed at two ends of the liquid cooling plate 1, and the lug 9 has a first limiting hole 10, and the limiting post 5 penetrates through the first limiting hole 10.
In a further embodiment of the present utility model, the vertical plate 8 is provided with a first mounting hole 11, two ends of the battery module body 2 are provided with end plates 13, the end plates 13 are provided with second mounting holes 12, the first mounting holes 11 are opposite to the second mounting holes 12, and the vertical plate 8 is fixedly connected with the end plates 13 through connecting pieces 14.
Preferably, the connecting piece 14 may be fixed to the vertical plate 8 and the end plate 13 by riveting, or may be fixed to the vertical plate 8 and the end plate 13 by screwing.
In a further embodiment of the utility model, the longitudinal plates 8 extend into the end plates 13 from below to above.
Fig. 5 is an exploded view of a battery pack according to the present utility model, as shown in fig. 5, the battery pack includes: the plurality of battery modules 18 having the cooling device further includes: the box 15 and a plurality of second heat insulating mats 16, have a plurality of cavitys 17 in the box 15, a plurality of second heat insulating mats 16 are placed respectively in a plurality of cavitys 17, and a plurality of battery modules 18 are installed respectively on a plurality of second heat insulating mats 16 in the cavity 17, and second heat insulating mats 16 have elasticity.
In a further embodiment of the present utility model, the thickness of the second heat insulation pad 16 is smaller than the interval between the bottom of the battery module 18 and the bottom of the cavity 17.
In a further embodiment of the utility model, the cavities 17 are equally spaced along the length of the housing 15.
Preferably, the first insulation mat 6 and the second insulation mat 16 are foam.
Preferably, the heat-conducting structural adhesive 4 is glue, and can transfer the temperature of the liquid cooling plate 1.
The installation process of the utility model comprises the following steps:
1. placing the battery module body 2, the heat-conducting structural adhesive 4 and the liquid cooling plate 1 in sequence;
2. the fixing support 3 is installed from the liquid cooling plate 1 to the upper part, and the limit posts 5 on the fixing support 3 penetrate through lugs 9 on two sides of the liquid cooling plate 1;
3. aligning the first mounting holes 11 on the fixing bracket 3 with the second mounting holes 12 on the end plate 13 of the end of the battery module body 2, and fixing the fixing bracket 3 with the end plate 13;
4. before the battery module 18 is installed, foam with enough thickness and elasticity is put into the bottom of the cavity in the box body 15;
5. the battery module 18 is downwards arranged in the box 15 and fixed, at least part of the liquid cooling plate 1 compresses foam, so that the liquid cooling plate 1 obtains upward reaction force of the foam, and the liquid cooling plate 1 is tightly attached to the bottom of the battery cell of the electric Chi Mozu body 2, thereby realizing unified control of the temperature of the battery cell.
According to the utility model, the liquid cooling plate 1 is adhered to the bottom of the battery module body 2 through the heat conduction structural adhesive 4, so that the tight contact of the first step is realized, further, the liquid cooling plate 1 is fixed with the battery module body 2 through the fixing support 3, the tight contact of the second step is realized, and further, the second heat insulation pad 16 is compressed after the battery module 18 is installed, the reaction force of the second heat insulation pad 16 is utilized, the tight contact of the third step is realized, and the liquid cooling effect is ensured to be exerted to the greatest extent.
The present utility model provides the first insulation pad 6 and the second insulation pad 16, and can avoid ineffective cooling.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. A battery module having a cooling device, comprising:
the battery module comprises a liquid cooling plate and a battery module body, wherein the liquid cooling plate is adhered to the bottom of the battery module body through heat conduction structural adhesive;
the two ends of the liquid cooling plate are fixedly connected with the two ends of the battery module body through the fixing brackets respectively;
each fixing support is provided with a limiting column, the limiting column penetrates through the end part of the liquid cooling plate, the limiting columns are in transverse limiting fit with the liquid cooling plate, the fixing supports are fixedly connected with the end part of the battery module body, and the fixing supports are in longitudinal limiting fit with the battery module body so that the liquid cooling plate is in tight contact with the battery module body;
each fixed support is L-shaped, each fixed support comprises a transverse plate and a longitudinal plate which are connected with each other, the limiting columns are vertically arranged on the transverse plate, and the longitudinal plate is fixedly connected with the end part of the battery module body.
2. The battery module with the cooling device according to claim 1, wherein each of the fixing brackets is provided with a first heat insulation pad, and the first heat insulation pad is abutted between the liquid cooling plate and the fixing bracket.
3. The battery module with the cooling device according to claim 2, wherein the first heat insulation pad is sleeved on the limit post.
4. The battery module with the cooling device according to claim 1, wherein at least one lug is arranged at two ends of the liquid cooling plate, a first limiting hole is arranged on the lug, and the limiting column penetrates through the first limiting hole.
5. The battery module with the cooling device according to claim 4, wherein the longitudinal plate is provided with a first mounting hole, two ends of the battery module body are provided with end plates, the end plates are provided with second mounting holes, the first mounting holes are opposite to the second mounting holes, and the longitudinal plate is fixedly connected with the end plates through connecting pieces;
the longitudinal plates extend into the end plates from bottom to top.
6. A battery pack, comprising: the several battery modules with cooling devices according to any one of claims 1 to 5, further comprising: the battery module comprises a box body and a plurality of second heat insulation pads, wherein the box body is internally provided with a plurality of cavities, the second heat insulation pads are respectively placed in the cavities, the battery modules are respectively installed on the second heat insulation pads in the cavities, and the second heat insulation pads are elastic.
7. The battery pack of claim 6, wherein the thickness of the second heat insulation pad is less than a spacing between the bottom of the battery module and the bottom of the cavity.
8. The battery pack of claim 6, wherein the plurality of cavities are equally spaced along the length of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053148.2U CN220341420U (en) | 2023-05-05 | 2023-05-05 | Battery module with cooling device and battery pack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053148.2U CN220341420U (en) | 2023-05-05 | 2023-05-05 | Battery module with cooling device and battery pack thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341420U true CN220341420U (en) | 2024-01-12 |
Family
ID=89449535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321053148.2U Active CN220341420U (en) | 2023-05-05 | 2023-05-05 | Battery module with cooling device and battery pack thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341420U (en) |
-
2023
- 2023-05-05 CN CN202321053148.2U patent/CN220341420U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |