CN217983482U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN217983482U CN217983482U CN202221854605.3U CN202221854605U CN217983482U CN 217983482 U CN217983482 U CN 217983482U CN 202221854605 U CN202221854605 U CN 202221854605U CN 217983482 U CN217983482 U CN 217983482U
- Authority
- CN
- China
- Prior art keywords
- battery
- package casing
- battery package
- holding chamber
- battery pack
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000003491 array Methods 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 239000012528 membrane Substances 0.000 claims description 7
- 238000004880 explosion Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery pack, including the battery package casing, the relative both sides wall and the diapire of battery package casing are formed with the holding chamber to same direction extension, and battery package casing, holding chamber top are provided with the top cap, and one side that the battery package casing was kept away from in the holding chamber is provided with the apron, the battery unit that the internal a plurality of arrays row of being provided with of battery package was established, the holding intracavity is provided with the cooling heat radiation structure, the cooling heat radiation structure includes the cooler bin, is provided with the heat transfer piece on the cooler bin, and the lateral wall that the heat transfer piece passed the battery package casing between battery package casing, the holding chamber is arranged in between the adjacent battery unit, and laminating battery unit, the cooler bin still is connected with the circulative cooling structure. The utility model discloses separating cooling structure and battery unit, also having guaranteed battery unit's safety when realizing stable radiating, add the holding chamber simultaneously and also had gone out the space that gives off of gas expansion more, effectively guaranteed explosion-proofly.
Description
Technical Field
The utility model relates to a battery package technical field, concretely relates to explosion-proof battery package dispels heat.
Background
The existing battery pack comprises a battery pack shell, a plurality of battery assemblies arranged in the battery pack shell can generate large heat during working, and the large heat can not effectively cool or dissipate heat to cause the explosion risk of the battery pack. The utility model discloses a battery package is disclosed to current chinese utility model patent No. 201922163617.6, and this battery package is provided with the cooler bin at the battery unit avris and cools off the battery, but its cooler bin pastes the battery cooling, and it is internal that its battery production of heat still arranges battery enclosure in, in case the cooling structure is inefficacy, still exists the problem that high-temperature gas can't spill explosion under the serious condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery package that possesses cooling heat dissipation and good explosion proof ability to the not enough of existence among the above-mentioned background art.
In order to achieve the above object, the utility model relates to a battery pack has adopted following technical scheme:
the utility model provides a battery pack, includes the battery pack casing, and the relative both sides wall and the diapire of battery pack casing are formed with the holding chamber to same direction extension, and battery pack casing, holding chamber top are provided with the top cap, and one side that the battery pack casing was kept away from in the holding chamber is provided with the apron, the battery pack is internal to be provided with a plurality of arrays and to arrange the battery unit of establishing, the holding intracavity is provided with the cooling heat radiation structure, the cooling heat radiation structure includes the cooler bin, is provided with the heat transfer piece on the cooler bin, and the heat transfer piece passes the lateral wall of the battery pack casing between battery pack casing, the holding chamber and arranges in between the adjacent battery unit, and laminating battery unit, the cooler bin still is connected with the circulative cooling structure.
The utility model relates to a battery package's further improvement part lies in, sets up the through-hole that supplies the heat transfer piece to pass on the lateral wall of the battery package casing between battery package casing, the holding chamber, be provided with sealed the pad on the through-hole inner wall, sealed the pad conflict the heat transfer piece.
The utility model relates to a battery package's further improvement part lies in, still sets up the breach in intercommunication battery package casing, holding chamber on the lateral wall of the battery package casing between battery package casing, the holding chamber, breach department is provided with the rupture membrane.
The utility model relates to a battery package's further improvement part lies in, one side that breach department is close to the holding chamber sets up the interior concave department that is the echelonment, and interior concave department is provided with the rupture membrane, and interior concave department still supports the board, supports the board edge and supports the rupture membrane to with battery package casing, the lateral wall fixed connection of the battery package casing between the holding chamber, support the board middle part and be provided with the through hole.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses separating cooling structure and battery unit, also having guaranteed battery unit's safety when realizing stable radiating, add the holding chamber simultaneously and also had gone out the space that gives off of gas expansion more, effectively guaranteed explosion-proofly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the explosion-proof membrane of the present invention;
in the figure: the battery pack comprises a battery pack shell body 1, a containing cavity 2, a top cover 3, a cover plate 4, a battery unit 5, a cooling box 6, a heat transfer sheet 7, a sealing gasket 8, a notch 9, a concave part 10, an explosion-proof film 11, a butt plate 12 and a pipe 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a battery pack, including battery pack casing 1, battery pack casing wherein relative both sides wall and diapire are formed with holding chamber 2 to same direction extension, battery pack casing, holding chamber top is provided with top cap 3, one side that battery pack casing was kept away from in the holding chamber is provided with apron 4, the internal battery unit 5 that establishes of arranging of a plurality of arrays that is provided with of battery pack casing, the holding intracavity is provided with the cooling heat radiation structure, the cooling heat radiation structure includes cooler bin 6, be provided with heat transfer piece 7 on the cooler bin, can weld between heat transfer piece and the cooler bin, and the heat transfer piece can stretch into inside the cooler bin. The heat transfer piece passes through the lateral wall of the battery pack shell between the battery pack shell and the accommodating cavity, is arranged between the adjacent battery units and is attached to the battery units, and the cooling box is further connected with a circulating cooling structure. The cooling box and the heat transfer sheet are arranged to be attached to the battery unit to achieve efficient heat dissipation, the cooling box is separated from the battery unit, and the effect of protecting the battery unit is achieved.
Further, set up the through-hole that supplies the heat transfer piece to pass on the lateral wall of the battery package casing between battery package casing, the holding chamber, be provided with sealed pad 8 on the through-hole inner wall, sealed pad is contradicted the heat transfer piece. The arrangement of the sealing gasket stabilizes the heat transfer sheet on one hand, and on the other hand, avoids influencing the subsequent explosion-proof effect.
Further, a notch 9 communicated with the battery pack shell and the accommodating cavity is further formed in the side wall of the battery pack shell between the battery pack shell and the accommodating cavity, and an explosion-proof film 11 is arranged at the notch. The holding chamber is as a buffer space, sets up the rupture membrane and can effectively realize explosion-proofly.
Furthermore, one side of the notch close to the accommodating cavity is provided with a stepped concave part 10, the concave part is provided with an explosion-proof film 11, the concave part is also provided with a support plate 12, the edge of the support plate supports against the explosion-proof film and is fixedly connected with the side wall of the battery pack shell between the battery pack shell and the accommodating cavity, and the middle part of the support plate is provided with a through hole 13.
The utility model discloses a theory of operation does: the battery unit works to generate heat which is transferred to the heat transfer sheet, and the heat transfer sheet is cooled in the cooling box to efficiently realize the heat dissipation of the battery unit in the battery pack shell; when the cooling structure breaks down or the battery unit continuously generates heat for a long time, the expanded air firstly breaks through the explosion-proof membrane at the notch to enter the accommodating cavity to be buffered, and explosion prevention is effectively realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A battery pack, comprising: including the battery package casing, the relative both sides wall and the diapire of battery package casing are formed with the holding chamber to same direction extension, and battery package casing, holding chamber top are provided with the top cap, and one side that the battery package casing was kept away from in the holding chamber is provided with the apron, the internal battery unit of establishing of arranging of a plurality of arrays that is provided with of battery package, the holding intracavity is provided with the cooling heat radiation structure, the cooling heat radiation structure includes the cooler bin, is provided with the heat transfer piece on the cooler bin, and the heat transfer piece passes the lateral wall of the battery package casing between battery package casing, the holding chamber and arranges in between the adjacent battery unit, and laminating battery unit, the cooler bin still is connected with the circulative cooling structure.
2. The battery pack according to claim 1, wherein: offer the through-hole that supplies the heat transfer piece to pass on the lateral wall of the battery package casing between battery package casing, the holding chamber, be provided with sealed the pad on the through-hole inner wall, sealed pad is contradicted the heat transfer piece.
3. The battery pack according to claim 2, wherein: the breach in intercommunication battery package casing, holding chamber still has been seted up on the lateral wall of the battery package casing between battery package casing, the holding chamber, breach department is provided with the rupture membrane.
4. A battery pack according to claim 3, wherein: one side of the notch close to the accommodating cavity is provided with a stepped concave part, the concave part is provided with an explosion-proof film, the concave part is also provided with a support plate, the edge of the support plate supports against the explosion-proof film and is fixedly connected with the side wall of the battery pack shell between the battery pack shell and the accommodating cavity, and the middle part of the support plate is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221854605.3U CN217983482U (en) | 2022-07-19 | 2022-07-19 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221854605.3U CN217983482U (en) | 2022-07-19 | 2022-07-19 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983482U true CN217983482U (en) | 2022-12-06 |
Family
ID=84280802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221854605.3U Expired - Fee Related CN217983482U (en) | 2022-07-19 | 2022-07-19 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983482U (en) |
-
2022
- 2022-07-19 CN CN202221854605.3U patent/CN217983482U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221206 |