CN217522118U - Battery monomer and battery package - Google Patents
Battery monomer and battery package Download PDFInfo
- Publication number
- CN217522118U CN217522118U CN202221678331.7U CN202221678331U CN217522118U CN 217522118 U CN217522118 U CN 217522118U CN 202221678331 U CN202221678331 U CN 202221678331U CN 217522118 U CN217522118 U CN 217522118U
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- Prior art keywords
- battery
- cooling
- battery pack
- cooled plate
- top cap
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- 239000000178 monomer Substances 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 80
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery monomer and battery package are used for promoting cooling performance, battery monomer includes battery housing, battery housing has the casing top cap, battery monomer still includes the pole portion, the pole portion certainly the casing top cap projection, the casing top cap has outstanding radiating part, outstanding radiating part certainly the casing top cap projection.
Description
Technical Field
The utility model relates to a power battery, concretely relates to battery monomer and battery package.
Background
In recent years, new energy vehicles are developed rapidly, high-capacity power batteries are applied more and more widely in the field of new energy vehicles, the charging time of the high-capacity power batteries can be shortened through the quick charging function, and higher requirements on cooling performance are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery monomer and battery package for promote cooling performance.
In a first aspect, the present invention provides a battery cell, according to the utility model discloses an embodiment, battery cell includes battery housing, battery housing has the casing top cap, battery cell still includes the pole portion, the pole portion certainly the casing top cap stretches, the casing top cap has outstanding heat dissipation part, outstanding heat dissipation part certainly the casing top cap stretches.
In one or more embodiments, the battery housing further has a housing bottom cover, and the battery cell further includes an explosion-proof valve disposed on the housing bottom cover.
In a second aspect, the utility model provides a battery pack, according to the utility model discloses an embodiment, battery pack includes battery monomer, battery monomer includes battery housing, battery housing has the casing top cap, battery monomer still includes the pole portion, the pole portion certainly the casing top cap stretches out, battery pack still includes first cooling portion, first cooling portion is used for cooling battery monomer, first cooling portion sets up the top of casing top cap, the casing top cap has outstanding heat dissipation part, outstanding heat dissipation part certainly the casing top cap stretches out in order to laminate first cooling portion.
In one or more embodiments, the battery case further has a case bottom cover, and the battery pack further includes a second cooling portion for cooling the battery cells, the second cooling portion being disposed below the case bottom cover and attached to the case bottom cover.
In one or more embodiments, the single battery further includes an explosion-proof valve disposed at the housing bottom cover, and the second cooling portion has an avoidance hole to avoid the explosion-proof valve.
In one or more embodiments, the battery cell further includes an explosion-proof valve disposed at the housing bottom cover, and the second cooling portion has an avoidance groove to avoid the explosion-proof valve.
In one or more embodiments, the second cooling portion includes a second planar liquid-cooled plate and a second heat-conducting pad, the second heat-conducting pad is located between the housing bottom cover and the second planar liquid-cooled plate, the housing bottom cover is attached to the second heat-conducting pad, and the second heat-conducting pad is attached to the second planar liquid-cooled plate.
In one or more embodiments, the second planar liquid-cooled plate is a harmonica tube liquid-cooled plate.
In one or more embodiments, the first cooling portion includes a first planar liquid-cooled plate and a first thermally conductive pad, the first thermally conductive pad is positioned between the housing top cover and the first planar liquid-cooled plate, the protruding heat dissipating portion is attached to the first thermally conductive pad, and the first thermally conductive pad is attached to the first planar liquid-cooled plate.
In one or more embodiments, the first planar liquid-cooled plate is a stamped liquid-cooled plate.
In one or more embodiments, the battery pack further includes a bus bar located between the case top cover and the first cooling portion, the pole section is attached to the bus bar, and the bus bar is attached to the first cooling portion.
In one or more embodiments, the bus board is a thermally conductive board.
The embodiment of the utility model discloses an at least one of following beneficial effect has:
1. the casing top cap has outstanding radiating part, and outstanding radiating part is stretched out from the casing top cap and is in order to laminate cooling portion, has increased heat transfer area, has promoted cooling performance.
2. The battery package sets up first cooling portion and second cooling portion respectively in free top of battery and below, realizes having promoted cooling performance to the free enhancement liquid cooling of battery.
3. Explosion-proof valve and pole portion are located the free bottom surface of battery and top surface respectively to make the hot runner of battery package and electric connection branch locate the free bottom surface of battery and top surface, increase hot runner and the distance of electricity connection, the hot runner is kept away from each other with the electricity connection, realizes thermoelectric separation, has promoted the security of battery package.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a battery cell;
FIG. 2 is a schematic diagram of a battery cell;
fig. 3 is a schematic view of a partial structure of a battery pack;
FIG. 4 is a perspective assembly view of a portion of the structure of the battery pack;
FIG. 5 is a schematic view showing a partial structure of a battery pack;
reference numerals:
1-a battery cell;
2-a battery case;
3-housing top cover;
4-pole section;
5-a protruding heat sink portion;
6-pole column;
7-convex hull;
8-a housing bottom cover;
9-an explosion-proof valve;
10-a battery pack;
11-a first cooling section;
12-a first planar liquid-cooled plate;
13-a first thermally conductive pad;
14-bus board;
15-a second cooling section;
16-a second planar liquid-cooled plate;
17-a second thermally conductive pad;
18-avoidance groove.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and the accompanying drawings, and in the following description, more details are set forth to facilitate a full understanding of the present invention, but it is obvious that the present invention can be implemented in various other ways than those described herein, and those skilled in the art can similarly popularize and deduce according to the practical application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of the specific embodiments.
It should be noted that these and other figures are given by way of example only and are not drawn to scale, and should not be construed as limiting the scope of the invention as it is actually claimed.
The terms "first," "second," and the like may be used interchangeably to distinguish one feature from another and are not intended to indicate that the various features must be located as shown in the figures in various embodiments.
As shown in fig. 1 and 2, the battery cell 1 includes a battery case 2. Fig. 1 shows the top side of a battery cell 1. With continued reference to fig. 1, the battery case 2 has a case top cover 3, the battery cell 1 further includes a pole part 4, the pole part 4 protrudes from the case top cover 3, the battery cell 1 is cooled by a cooling part, the cooling part is disposed above the case top cover 3, the case top cover 3 has a protruding heat dissipation part 5, and the protruding heat dissipation part 5 protrudes from the case top cover 3 to fit the cooling part. In the exemplary embodiment shown in fig. 1, the pole part 4 comprises two poles 6, the two poles 6 protruding from the housing cover 3. The cooling part is not shown in fig. 1 and 2, and it will be understood later that, in one embodiment, the "cooling part" is exemplarily a "first cooling part 11" described later, and absorbs heat to cool the battery cell 1. Outstanding utmost point post portion 4 in casing top cap 3 supports the cooling part, block cooling part laminating casing top cap 3, make and have the interval between casing top cap 3 and the cooling part, the cooling performance has been reduced, for solving this problem, casing top cap 3 sets up outstanding radiating part 5, outstanding radiating part 5 is outstanding in casing top cap 3, this interval has been compensated, outstanding radiating part 5 of cooling part laminating, absorb the heat from outstanding radiating part 5 in order to cool off battery monomer 1, heat transfer area has been increased, the cooling performance has been promoted, outstanding radiating part 5 has still increased battery monomer 1's inner space simultaneously, energy density has been improved. In the embodiment shown in fig. 1, the protruding heat dissipation part 5 is a convex hull 7 located between two poles 6, and the convex hull 7 has a flat surface at the top to better fit the cooling part, increase the fit area, and improve the cooling performance.
In the embodiment shown in fig. 1, the pole portion 4 is a large-sized pole piece to improve the energy density of the battery cell 1.
Fig. 2 shows the bottom surface of the battery cell 1. With continued reference to fig. 2, in the illustrated embodiment, the battery case 2 further has a case bottom cover 8, and the single battery cell 1 further includes an explosion-proof valve 9, wherein the explosion-proof valve 9 is disposed on the case bottom cover 8. Explosion-proof valve 9 and pole portion 4 are located the bottom surface and the top surface of battery monomer 1 respectively to make the hot runner of battery package and electric connection branch locate battery monomer 1's bottom surface and top surface, increase hot runner and the distance of electricity connection, the hot runner is kept away from each other with the electricity connection, realizes thermoelectric separation, has promoted the security of battery package, simultaneously, can not assault passenger cabin when explosion-proof valve 9 on the casing bottom 8 is opened, has improved the security.
Fig. 3 shows a partial structure of the battery pack 10. Fig. 4 shows the components in this partial structure of the battery pack 10. Fig. 5 shows the bottom of this portion of the structure of the battery pack 10. As shown in fig. 3 to 5, the battery pack 10 includes the battery cell 1 described above. With continued reference to fig. 3 and 4, the battery pack 10 further includes a first cooling portion 11, the first cooling portion 11 being for cooling the battery cells 1, the first cooling portion 11 being disposed above the case top cover 3, the protruding heat dissipation portion 5 of the case top cover 3 being attached to the first cooling portion 11. In one embodiment, the first cooling part 11 includes a first planar liquid-cooled plate 12, which is attached to the protruding heat dissipation part 5, and absorbs heat from the protruding heat dissipation part 5 to cool the battery cell 1.
With continued reference to fig. 4, in one embodiment, the first planar liquid-cooled plate 12 is a stamped liquid-cooled plate, the first cooling portion 11 further includes a first thermal pad 13, the first thermal pad 13 is disposed between the housing top cover 3 and the first planar liquid-cooled plate 12, the protruding heat dissipation portion 5 is attached to the first thermal pad 13, and the first thermal pad 13 is attached to the first planar liquid-cooled plate 12. The heat of the protruding heat dissipation part 5 is transferred to the first heat conduction pad 13, and is absorbed by the first plane liquid cooling plate 12 after being conducted by the first heat conduction pad 13, so as to cool the battery cell 1. In another embodiment, the first planar liquid-cooled plate 12 is a vacuum brazed water-cooled plate, a friction stir welded water-cooled plate, a buried pipe water-cooled plate, or a deep hole drilled/chambered water-cooled plate.
With continued reference to fig. 4, in the illustrated embodiment, the battery pack 10 further includes a bus bar 14, the bus bar 14 being positioned between the case top cover 3 and the first cooling portion 11, the pole portion 4 being attached to the bus bar 14, and the bus bar 14 being attached to the first cooling portion 11. The bus board 14 is a BUSBAR board, and is electrically connected to the pole part 4 of the battery cell 1, in the embodiment shown in fig. 4, the bus board 14 covers the pole part 4 and is located between the pole part 4 and the first heat conducting pad 13, and heat of the pole part 4 is transferred to the bus board 14, and is absorbed by the first plane liquid cooling plate 12 after being conducted by the first heat conducting pad 13, so as to cool the battery cell 1. The bus board 14 is a heat conducting board and is made of heat conducting materials, so that the bus board has good heat conducting performance and further improves the cooling performance.
With continued reference to fig. 3-5, in the illustrated embodiment, the battery pack 10 further includes a second cooling portion 15, the second cooling portion 15 is used to cool the battery cells 1, and the second cooling portion 15 is disposed below the housing bottom cover 8 and conforms to the housing bottom cover 8. In one embodiment, the second cooling part 15 includes a second planar liquid-cooling plate 16 attached to the case bottom cover 8 to absorb heat from the case bottom cover 8 to cool the battery cell 1. In this embodiment, the battery pack 10 is provided with the first cooling portion 11 and the second cooling portion 15 above and below the single battery 1, so that the liquid cooling for enhancing the single battery 1 is realized, and the cooling performance is improved.
With continued reference to fig. 4, in one embodiment, the second planar liquid-cooled plate 16 is a harmonica tube liquid-cooled plate, the second cooling portion 15 further includes a second thermal pad 17, the second thermal pad 17 is disposed between the housing bottom cover 8 and the second planar liquid-cooled plate 16, the housing bottom cover 8 is attached to the second thermal pad 17, and the second thermal pad 17 is attached to the second planar liquid-cooled plate 16. The heat of the case bottom cover 8 is transferred to the second thermal pad 17, and after the heat is conducted through the second thermal pad 17, the heat is absorbed by the second planar liquid cooling plate 16 to cool the battery cell 1. In another embodiment, the second planar liquid-cooled plate 16 is a vacuum brazed water-cooled plate, a friction stir welded water-cooled plate, a buried pipe water-cooled plate, or a deep hole drilled/cavity water-cooled plate.
With continued reference to fig. 5, in the illustrated embodiment, the second cooling portion 15 has an avoidance groove 18 to avoid the explosion-proof valve 9 on the housing bottom cover 8. A plurality of explosion-proof valves 9 of a plurality of battery monomers 1 are arranged in a row, a second plane liquid cooling plate 16 and a second heat conducting pad 17 are provided with an avoiding groove 18 corresponding to the row of explosion-proof valves 9, the avoiding groove 18 is a long-strip-shaped through groove and is used for avoiding the explosion-proof valves 9, and the complete explosion-proof valves 9 are exposed from the avoiding groove 18 and provide an avoiding space for opening the explosion-proof valves 9. In another embodiment, the second cooling part 15 has an escape hole to escape the explosion-proof valve 9 on the housing bottom cover 8. The second plane liquid cooling plate 16 and the second heat conducting pad 17 are provided with a row of avoiding holes corresponding to the row of explosion-proof valves 9, the avoiding holes are through holes, the avoiding holes are used for avoiding the explosion-proof valves 9, and the complete explosion-proof valves 9 are exposed out of the avoiding holes so as to provide avoiding spaces for opening the explosion-proof valves 9.
Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention.
Claims (12)
1. The utility model provides a battery monomer, battery monomer includes battery housing, battery housing has the casing top cap, battery monomer still includes the pole portion, the pole portion is from the casing top cap is protruding, its characterized in that, the casing top cap has outstanding heat dissipation portion, outstanding heat dissipation portion is from the casing top cap is protruding.
2. The battery cell as recited in claim 1, wherein the battery housing further has a housing bottom cover, and the battery cell further comprises an explosion-proof valve disposed on the housing bottom cover.
3. The utility model provides a battery pack, battery pack includes battery monomer, battery monomer includes battery case, battery case has the casing top cap, battery monomer still includes the pole portion, the pole portion certainly the casing top cap is protruding, a serial communication port, battery pack still includes first cooling portion, first cooling portion is used for cooling battery monomer, first cooling portion sets up the top of casing top cap, the casing top cap has outstanding heat dissipation part, outstanding heat dissipation part certainly the casing top cap is protruding in order to laminate first cooling portion.
4. The battery pack of claim 3, wherein the battery case further has a case bottom cover, the battery pack further comprising a second cooling portion for cooling the battery cells, the second cooling portion being disposed below the case bottom cover and abutting the case bottom cover.
5. The battery pack according to claim 4, wherein the battery cell further comprises an explosion-proof valve disposed on the housing bottom cover, and the second cooling portion has an avoidance hole to avoid the explosion-proof valve.
6. The battery pack according to claim 4, wherein the battery cell further includes an explosion-proof valve provided at the case bottom cover, and the second cooling portion has an escape groove to escape the explosion-proof valve.
7. The battery pack of claim 4, wherein the second cooling portion comprises a second planar liquid-cooled plate and a second thermally conductive pad, the second thermally conductive pad is positioned between the housing bottom cover and the second planar liquid-cooled plate, the housing bottom cover is attached to the second thermally conductive pad, and the second thermally conductive pad is attached to the second planar liquid-cooled plate.
8. The battery pack of claim 7, wherein the second planar liquid-cooled plate is a harmonica tube liquid-cooled plate.
9. The battery pack of claim 3, wherein the first cooling portion comprises a first planar liquid-cooled plate and a first thermally conductive pad, the first thermally conductive pad being positioned between the housing top cover and the first planar liquid-cooled plate, the protruding heat sink portion being attached to the first thermally conductive pad, the first thermally conductive pad being attached to the first planar liquid-cooled plate.
10. The battery pack of claim 9, wherein the first planar liquid-cooled plate is a stamped liquid-cooled plate.
11. The battery pack of claim 3, further comprising a bus bar positioned between the top cover of the housing and the first cooling portion, wherein the post portion is attached to the bus bar, and wherein the bus bar is attached to the first cooling portion.
12. The battery pack of claim 11, wherein the bus bar is a thermally conductive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221678331.7U CN217522118U (en) | 2022-07-01 | 2022-07-01 | Battery monomer and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221678331.7U CN217522118U (en) | 2022-07-01 | 2022-07-01 | Battery monomer and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217522118U true CN217522118U (en) | 2022-09-30 |
Family
ID=83393422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221678331.7U Active CN217522118U (en) | 2022-07-01 | 2022-07-01 | Battery monomer and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217522118U (en) |
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2022
- 2022-07-01 CN CN202221678331.7U patent/CN217522118U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. |