CN220710496U - Battery pack and battery pack - Google Patents
Battery pack and battery pack Download PDFInfo
- Publication number
- CN220710496U CN220710496U CN202322168150.0U CN202322168150U CN220710496U CN 220710496 U CN220710496 U CN 220710496U CN 202322168150 U CN202322168150 U CN 202322168150U CN 220710496 U CN220710496 U CN 220710496U
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- battery
- support
- battery pack
- cylindrical
- boss
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- 230000000670 limiting effect Effects 0.000 claims description 19
- 238000004880 explosion Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The application belongs to the technical field of batteries, and provides a group battery and battery package, include: the cylindrical battery comprises a pressure relief end provided with an explosion-proof valve; the support comprises a first side and a second side which are opposite to each other, the cylindrical battery is arranged on the first side of the support, the pressure release end of the cylindrical battery is connected with the support, and the support is provided with an exhaust hole corresponding to the explosion-proof valve; the second side is provided with a support boss, and along the axial direction of the cylindrical battery, the projection of the support boss and the projection of the exhaust hole are at most partially overlapped. The pressure relief exhaust path is complete and independent through the support, the pressure relief exhaust function of the support to the cylindrical battery is improved, the adaptability of the battery pack to different external installation structures is improved, the adaptation cost of the battery pack in application is effectively reduced, the universality of the battery pack is improved, and the application requirements of differentiated scenes are met rapidly.
Description
Technical Field
The present disclosure relates to the field of battery technologies, and in particular, to a battery pack and a battery pack.
Background
The cylindrical batteries are of a common battery type, the cylindrical batteries are often arranged in groups, for example, the end parts of the cylindrical batteries are intensively arranged on the mounting parts to form a battery pack, so that the cylindrical batteries are applied to large-scale electric equipment such as electric vehicles and the like as power supplies, the end parts of the cylindrical batteries are provided with explosion-proof valves, the explosion-proof valves are opened when the pressure in the cylindrical batteries increases suddenly or the temperature rises rapidly, high-temperature and high-pressure gas is sprayed out to release the pressure of the cylindrical batteries, the mounting parts of the cylindrical batteries are mostly plates, and in order to avoid direct impact of the high-temperature and high-pressure gas, the mounting parts are generally provided with holes corresponding to the explosion-proof valves.
In the prior art, when the explosion-proof valve is opened, high-temperature and high-pressure gas enters the hole, direct impact and damage to the mounting part are reduced, but only partial buffering and pressure relief effects are achieved corresponding to the opening of the explosion-proof valve, the mounting part is not provided with a complete gas flow passage, and the sprayed high-temperature and high-pressure gas cannot be discharged through the self structure of the mounting part, so that the existing battery pack still has the following defects: when the battery pack is used for forming a power supply, an additional gas flow passage is required to be arranged on a part for installing the battery pack, the design of the gas flow passage is required to be matched with the battery pack, otherwise, gas sprayed out of the explosion-proof valve cannot be discharged, the matching cost of the battery pack is increased, the universality of the battery pack is poor, and the application requirements of different scenes are difficult to be met rapidly.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present application is to provide a battery pack and a battery pack, which are used for solving the problems that in the prior art, when the battery pack is used for forming a power supply, an additional gas flow channel needs to be arranged on a component for installing the battery pack, the design of the gas flow channel needs to be matched with the battery pack, otherwise, gas sprayed out of an explosion-proof valve cannot be discharged, which causes the increase of the matching cost of the battery pack, the universality of the battery pack is poor, and the application requirements of a differentiated scene are difficult to be rapidly satisfied.
To achieve the above and other related objects, the present application provides a battery pack comprising:
the cylindrical battery comprises a pressure relief end provided with an explosion-proof valve;
the support comprises a first side and a second side which are opposite to each other, the cylindrical battery is arranged on the first side of the support, the pressure release end of the cylindrical battery is connected with the support, and the support is provided with an exhaust hole corresponding to the explosion-proof valve;
the second side is provided with a support boss, and along the axial direction of the cylindrical battery, the projection of the support boss and the projection of the exhaust hole are at most partially overlapped.
Further, the support boss extends along a first direction, and a plurality of support bosses are arranged at intervals in a second direction, and the second direction is perpendicular to the first direction.
Further, a plurality of battery rows are arranged on the first side of the support, each battery row comprises a plurality of cylindrical batteries arranged at intervals along the first direction, and an interval area of the support boss in the second direction forms an exhaust channel communicated with the exhaust hole.
Further, each supporting boss penetrates through to two ends of the support along the first direction, each exhaust channel is opposite to one row of battery rows, and the exhaust holes corresponding to the same battery row are communicated with the same exhaust channel.
Further, two adjacent battery columns are arranged in a staggered manner along the first direction.
Further, the intervals between adjacent cylindrical batteries in the battery columns are equal, the dislocation distance between two adjacent battery columns in the first direction is half of the interval between two cylindrical batteries in the same column, so that three adjacent cylindrical batteries form equilateral triangle arrangement, wherein the three adjacent cylindrical batteries are located in two adjacent battery columns, and two cylindrical batteries are located in the same column.
Further, a limiting structure is arranged on the first side of the support, and the limiting structure is located between two rows of battery columns.
Further, a limiting curved surface is arranged on the limiting structure, and the limiting curved surface is matched with the side wall of the cylindrical battery.
Further, the limit structure comprises a triangular boss, three side surfaces of the triangular boss are all the limit curved surfaces, and the three limit curved surfaces of the triangular boss correspond to the three cylindrical batteries which are adjacent and distributed in a triangular mode respectively.
Further, the size of the vent hole is larger than the size of the explosion-proof valve.
In a second aspect, based on the same inventive concept, the present application also provides a battery pack including: a case, and a battery pack as described above accommodated in the case.
To sum up, the battery pack and the battery pack provided by the application have the following beneficial effects:
through setting up the support boss in the second side of support, the support boss can be convenient for the installation of group battery and external structure be connected, the region of second side not setting up the support boss then can be used for with exhaust hole cooperation to form complete and independent pressure release exhaust route on the support, help perfect the pressure release exhaust function of support to the cylindrical battery, improve the adaptability of group battery to different external mounting structure, the adaptation cost when effectively reducing the group battery application improves the commonality of group battery, be favorable to satisfying the application demand of differentiation scene rapidly.
Drawings
FIG. 1 is an isometric view of a battery pack shown in an exemplary embodiment of the present application;
FIG. 2 is a top view of a battery pack shown in an exemplary embodiment of the present application;
FIG. 3 is a top view of a mount according to an exemplary embodiment of the present application;
FIG. 4 is a bottom view of a battery pack shown in an exemplary embodiment of the present application;
fig. 5 is an enlarged view of a partial structure of a holder according to an exemplary embodiment of the present application.
Description of the part reference numerals
1-a cylindrical battery; 10-battery columns; 101-a pressure relief end; 11-explosion-proof valve;
2-supporting seats; 201-a first side; 202-a second side; 21-an exhaust hole; 22-an exhaust passage; 23-supporting the boss; 24-triangular boss.
Detailed Description
Further advantages and effects of the present application will be readily apparent to those skilled in the art from the present disclosure, by describing the embodiments of the present application with specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are therefore not intended to limit the scope of the utility model, which is defined by the claims, but are not to be limited to the specific details disclosed herein. Also, the terms "front", "back", "left", "right", "middle" and "first", "second" are used herein for descriptive purposes only and are not intended to limit the scope of the present application to which the present application may be applied, but rather to modify or adapt the relative relationship without materially altering the technical context.
In one embodiment, the present application exemplarily shows a battery pack, please refer to fig. 1-5, wherein fig. 1 shows a complete structural schematic diagram of the battery pack under an axial view, the battery pack at least comprising a cylindrical battery 1 and a support 2, wherein:
the cylindrical battery 1 comprises a pressure relief end 101, the pressure relief end 101 being the end provided with the explosion protection valve 11.
The support 2 comprises a first side 201 and a second side 202 opposite to each other, specifically in this embodiment, the first side 201 is a side for mounting the cylindrical battery 1, the second side 202 is a side for mounting connection with other structures, where other structures may be, for example, a plate member for mounting or placing a battery pack in a battery pack or electric equipment, etc., for example, in some embodiments, the battery pack is accommodated in a housing or case for constituting the battery pack, and the second side 202 of the support 2 is for connection or fitting with a bottom plate of the bottom of the battery pack; in this embodiment, the cylindrical battery 1 is disposed on the first side 201 of the support 2, and the pressure relief end 101 of the cylindrical battery 1 is connected to the support 2, and the support 2 is provided with a vent hole 21 corresponding to the explosion-proof valve 11, when the pressure inside the battery increases rapidly or the temperature rises rapidly, the explosion-proof valve 11 is triggered to open, so that high-pressure gas can be flushed out through the valve opening position of the explosion-proof valve 11, and the flushed gas enters the vent hole 21 to relieve the pressure inside the cylindrical battery 1.
The second side 202 is provided with the support boss 23, and along the axial of the cylindrical battery 1, the projection of support boss 23 and the projection of exhaust hole 21 are at most partly coincident, namely at the in-process that the cylindrical battery 1 was released through the exhaust hole 21, support boss 23 at least partly avoids the route of pressure release in order to avoid obstructing the pressure release exhaust, simultaneously, support boss 23 is protruding from the second side 202 towards deviating from support 2 direction, and exhaust hole 21 and the at least partial coincidence of not bellied region, the extension of exhaust hole 21 can be regarded as to the bellied region for form the exhaust route of pressure release, make support 2 possess complete and independent exhaust route, need not to accomplish the pressure release exhaust of cylindrical battery 1 effectively with the help of other structures.
It can be seen that, in the above embodiment, through setting up the support boss 23 at the second side 202 of support 2, the support boss 23 can be convenient for the installation connection of group battery and external structure, the region that the second side 202 did not set up support boss 23 then can be used for cooperating with exhaust hole 21 to form complete and independent pressure release exhaust route on support 2, help perfect support 2 to the pressure release exhaust function of cylinder battery 1, improve the adaptability of group battery to different external mounting structure, the adaptation cost when effectively reducing the group battery is used, improve the commonality of group battery, be favorable to satisfying the application demand of differentiation scene rapidly.
It will be appreciated that the solution shown in the above embodiment is a battery pack formed by mounting the cylindrical batteries 1 in groups on the support 2, and in practical application, but not limited to, application in an integrated mode in which battery packs (CTPs) are formed by arranging the cylindrical batteries 1 in groups.
In this embodiment, referring to fig. 4, the supporting boss 23 extends along a first direction, and a plurality of supporting bosses are arranged at intervals in a second direction, where the second direction is perpendicular to the first direction, specifically, the first direction is, for example, a length direction of the support 2, and the second direction is, for example, a width direction of the support 2, further, referring to fig. 2, a plurality of battery strings 10 are arranged on a first side 201 of the support 2, each battery string 10 includes a plurality of cylindrical batteries 1 arranged at intervals along the first direction, and an exhaust channel 22 communicating with the exhaust hole 21 is formed at intervals of the supporting boss 23 in the second direction.
In this embodiment, each supporting boss 23 penetrates through to two ends of the support 2 along the first direction, each exhaust channel 22 is opposite to one row of battery rows 10, and the exhaust holes 21 corresponding to the same battery row 10 are communicated with the same exhaust channel 22, so that the interleaving of the decompression paths of the exhaust holes 21 is further reduced, the consistency of the decompression direction is further improved, and the mutual interference of decompression and exhaust of different exhaust channels 22 is avoided.
In this embodiment, two adjacent battery columns 10 are arranged in a staggered manner along the first direction, which is beneficial to improving the space utilization rate of the cylindrical battery 1 on the support 2.
Further, in this embodiment, the adjacent cylindrical batteries 1 in the battery columns 10 are equally spaced, and the offset distance of the adjacent two battery columns 10 in the first direction is half of the distance between the two cylindrical batteries 1 in the same column, so that there are three adjacent cylindrical batteries 1 to form an equilateral triangle arrangement, where the three adjacent cylindrical batteries 1 are located in the adjacent two battery columns 10, and where the two cylindrical batteries 1 are located in the same column, and the adjacent three cylindrical batteries 1 are arranged in an equilateral triangle, which is beneficial to further improving the space utilization rate, enabling the first side 201 to arrange more cylindrical batteries 1, and improving the uniformity of the internal stress of the support 2.
In this embodiment, referring to fig. 3 and 5, a first side 201 of the support 2 is provided with a limiting structure, and the limiting structure is located between two rows of battery columns 10, and is used for limiting the batteries in the battery columns 10, so as to facilitate installation and positioning, reduce installation dimension errors, and in some embodiments, the limiting structure is provided with a limiting curved surface, and the limiting curved surface is matched with a side wall of the cylindrical battery 1, so as to improve the limiting effect.
Specifically, in this embodiment, the limiting structure includes a triangular boss 24, three sides of the triangular boss 24 are limiting curved surfaces, the three limiting curved surfaces of the triangular boss 24 correspond to three adjacent and triangular cylindrical batteries 1 respectively, and correspond to an equilateral triangle arrangement mode formed by the adjacent three cylindrical batteries 1, and in this embodiment, the triangular boss 24 is also correspondingly configured as an equilateral triangular boss, so as to be attached to the side walls of the three adjacent cylindrical batteries 1 to realize limiting.
In this embodiment, the size of the exhaust hole 21 is larger than that of the explosion-proof valve 11, which is beneficial to ensure that the exhaust is not blocked and the exhaust effect is ensured.
In another embodiment, based on the same inventive concept, the present application also provides a battery pack including the case and the battery pack shown in the foregoing embodiment housed in the case, the structure of the battery pack having been shown in the foregoing embodiment, and the technical effects possessed by the battery pack in this embodiment are equally applicable.
To sum up, in the battery pack and the battery pack shown in the exemplary embodiments of the present application, the second side 202 of the support 2 is provided with the support boss 23, the support boss 23 can facilitate the installation connection between the battery pack and the external structure, and the area of the second side 202, where the support boss 23 is not provided, can be used to cooperate with the exhaust hole 21, so as to form a complete and independent pressure relief exhaust path on the support 2, thereby helping to perfect the pressure relief exhaust function of the support 2 on the cylindrical battery 1, improving the adaptability of the battery pack to different external installation structures, effectively reducing the adapting cost when the battery pack is applied, improving the universality of the battery pack, and being beneficial to rapidly meeting the application requirements of different scenes.
The above embodiments are merely illustrative of the principles of the present application and its effectiveness and are not intended to limit the present application. Modifications and variations may be made to the above-described embodiments by those of ordinary skill in the art without departing from the spirit and scope of the present application. It is therefore contemplated that the appended claims will cover all such equivalent modifications and changes as fall within the true spirit and scope of the disclosure.
Claims (11)
1. A battery pack, comprising:
the cylindrical battery comprises a pressure relief end provided with an explosion-proof valve;
the support comprises a first side and a second side which are opposite to each other, the cylindrical battery is arranged on the first side of the support, the pressure release end of the cylindrical battery is connected with the support, and the support is provided with an exhaust hole corresponding to the explosion-proof valve;
the second side is provided with a support boss, and along the axial direction of the cylindrical battery, the projection of the support boss and the projection of the exhaust hole are at most partially overlapped.
2. The battery pack according to claim 1, wherein the support boss extends in a first direction and is arranged in a plurality at intervals in a second direction, the second direction being perpendicular to the first direction.
3. The battery pack according to claim 2, wherein a plurality of rows of battery cells are arranged on the first side of the support, each row of battery cells including a plurality of the cylindrical battery cells arranged at intervals along the first direction, and the spaced areas of the support boss in the second direction form exhaust passages communicating with the exhaust holes.
4. A battery pack according to claim 3, wherein each of the support bosses extends through to both ends of the support in the first direction, each of the exhaust passages is opposite to one of the battery strings, and the exhaust holes corresponding to the same battery string are communicated with the same exhaust passage.
5. A battery according to claim 3, wherein two adjacent columns of the battery columns are arranged offset in the first direction.
6. The battery pack according to claim 5, wherein adjacent cylindrical cells in the cell rows are equally spaced, and the dislocation distance of two adjacent cell rows in the first direction is half the pitch of two cylindrical cells in the same row, such that there are three adjacent cylindrical cells forming an equilateral triangle arrangement, wherein the three adjacent cylindrical cells are located in two adjacent cell rows, and wherein two of the cylindrical cells are located in the same row.
7. The battery of claim 6, wherein the first side of the support is provided with a spacing structure, the spacing structure being located between two of the battery columns.
8. The battery pack of claim 7, wherein the limiting structure is provided with a limiting curved surface, and the limiting curved surface is matched with the side wall of the cylindrical battery.
9. The battery pack according to claim 8, wherein the limit structure comprises a triangular boss, three sides of the triangular boss are all the limit curved surfaces, and the three limit curved surfaces of the triangular boss correspond to the three cylindrical batteries which are adjacent and distributed in a triangular shape respectively.
10. The battery of claim 1, wherein the vent hole has a size greater than the size of the explosion proof valve.
11. A battery pack, comprising: a case, and a battery pack according to any one of claims 1 to 10 accommodated in the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168150.0U CN220710496U (en) | 2023-08-11 | 2023-08-11 | Battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168150.0U CN220710496U (en) | 2023-08-11 | 2023-08-11 | Battery pack and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710496U true CN220710496U (en) | 2024-04-02 |
Family
ID=90445008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322168150.0U Active CN220710496U (en) | 2023-08-11 | 2023-08-11 | Battery pack and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710496U (en) |
-
2023
- 2023-08-11 CN CN202322168150.0U patent/CN220710496U/en active Active
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