CN220753640U - High-integration battery system - Google Patents
High-integration battery system Download PDFInfo
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- CN220753640U CN220753640U CN202322419676.1U CN202322419676U CN220753640U CN 220753640 U CN220753640 U CN 220753640U CN 202322419676 U CN202322419676 U CN 202322419676U CN 220753640 U CN220753640 U CN 220753640U
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- battery system
- battery
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- lower box
- reinforcing ribs
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- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000010354 integration Effects 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 28
- 238000001816 cooling Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of battery packs, in particular to a high-integration battery system, which comprises an upper cover, a plurality of electric cores and a lower box body, wherein the electric cores are arranged between the upper cover and the lower box body, and pole posts and explosion-proof valves of the electric cores face the lower box body; the integrated plate is arranged on the inner side of the lower box body; the integrated board is provided with a supporting position; the support positions are provided with a plurality of groups, and the plurality of groups of support positions are arranged in one-to-one correspondence with the plurality of battery cells; the electrode post and the explosion-proof valve of the battery core are accommodated in the supporting position, the lower end face of the battery core body is abutted with the upper end face of the integrated plate, and the integration level of the battery system can be improved and the occupied space of the battery system is reduced.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a high-integration battery system.
Background
In order to meet the requirements of the endurance mileage of the electric automobile, the energy density of the battery pack is gradually increased, and the heating problem caused by the energy density is also a key element for restricting the technical research of the battery; because the liquid cooling heat exchange efficiency is better, the prior art adopts the liquid cooling temperature control mode that the cooling rack is attached to the battery module to replace the traditional air cooling temperature control mode that natural wind or air convection sweeps the battery surface. At present, in order to be safe, the bottom of the battery is provided with an explosion-proof valve, the explosion-proof valve is of a thin sheet structure with smaller thickness, and when the air pressure changes due to temperature change in the battery, the explosion-proof valve can generate corresponding deformation so as to offset the air pressure change in the battery. When the internal air pressure of the battery is increased beyond the threshold value of the explosion-proof valve, the explosion-proof valve is exploded, so that the problem that the shell of the battery bursts is avoided.
In the prior art, for example, chinese patent: the utility model provides a battery package module and battery package, publication number CN212136549U improves battery module's energy density through the support piece of design less size, and the explosion-proof valve and the utmost point post of battery are located the upper and lower end of battery body, the explosion-proof valve of battery is in work needs, need be in the lower extreme headspace of battery also increased the occupation space of battery in Z to, the utmost point post of battery is outstanding in battery body and has also further increased the occupation space of battery in Z to simultaneously, such design will make battery package module's volume increase, this battery package module can squeeze into car riding space after using on the car, reduce car riding experience.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a high-integration battery system, which can improve the integration level of the battery system and reduce the occupied space of the battery system.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-integration battery system comprises an upper cover, a plurality of electric cores and a lower box body, wherein the electric cores are arranged between the upper cover and the lower box body, and pole posts and explosion-proof valves of the electric cores face towards the lower box body; the integrated plate is arranged on the inner side of the lower box body; the integrated board is provided with a supporting position; the support positions are provided with a plurality of groups, and the plurality of groups of support positions are arranged in one-to-one correspondence with the plurality of battery cells; the pole of the battery core and the explosion-proof valve are both accommodated in the supporting position, and the lower end face of the battery core body is abutted with the upper end face of the integrated plate.
Preferably, the support position is provided with a pressure relief groove and a containing hole; the pressure release groove corresponds to the explosion-proof valve of the battery cell; the position of the accommodating hole corresponds to the position of the pole of the battery cell.
Preferably, the lower end part of the integrated plate is provided with a first reinforcing rib and a second reinforcing rib; the first reinforcing ribs and the second reinforcing ribs are arranged in a crossing mode.
Preferably, the first reinforcing ribs and the second reinforcing ribs are protruded from the lower end face of the integrated plate body.
Preferably, the second reinforcing ribs are provided in plurality; the plurality of second reinforcing ribs are uniformly distributed.
Preferably, the lower end part of the integrated board is provided with a plurality of first supporting blocks and a plurality of second supporting blocks; the first supporting blocks are arranged in a straight line in the left-right direction and are distributed at intervals; the plurality of second support blocks are spaced apart in the front-rear direction.
Preferably, the plurality of second support blocks are equally divided into four columns in the front-rear direction.
Preferably, tenons are arranged at the left end and the right end of the integrated board; mortises are formed in the left side wall and the right side wall of the lower box body; the tenon and the mortise are corresponding in position and mutually matched.
Preferably, the depth of the mortises is less than the depth of the inner cavity of the lower box body.
Preferably, the battery system is further provided with a bus bar; the busbar is arranged between the integrated board and the lower box body.
Compared with the prior art, the utility model has the beneficial effects that: through bonding the battery cell and fixing on covering, the utmost point post and the explosion-proof valve of battery cell all set up the lower extreme at the battery cell body, set up the integrated board at the battery cell downside, set up a plurality of holding holes and the pressure release groove that correspond with the utmost point post and the explosion-proof valve position of battery cell on the integrated board, integrated board can improve electric core integrated efficiency as support piece, can also provide holding position for the utmost point post and the explosion-proof valve of battery cell and guarantee the integrated stability of battery cell, through such setting up the occupation space of battery cell at Z orientation has been reduced for this battery system's flattening degree is higher, use this battery system behind the car can reduce battery system and occupy the passenger space of car, finally improve car and take advantage of experience.
Drawings
Fig. 1 is a schematic view of an explosion structure of a battery system according to the present utility model;
FIG. 2 is a schematic view of the underside structure of the integrated board according to the present utility model;
FIG. 3 is a schematic view of the structure of the lower side of an integrated board according to a second embodiment of the present utility model;
fig. 4 is a schematic structural diagram of an integrated board and a lower case in a third embodiment of the present utility model.
In the figure: 1 upper cover, 2 electric core, 3 integrated boards, 4 lower box, 5 first strengthening rib, 6 second strengthening rib, 7 first supporting shoe, 8 second supporting shoe, 31 pressure release groove, 32 accommodation hole, 33 tenon, 41 tongue-and-groove.
Detailed Description
The following detailed description of the utility model, taken in conjunction with the accompanying drawings, will provide those skilled in the art with a more readily understood understanding of how the utility model may be practiced. While the present utility model has been described in connection with the preferred embodiments thereof, these embodiments are set forth only and are not intended to limit the scope of the utility model.
First embodiment: referring to fig. 1-2, a highly integrated battery system, comprising: the battery cell comprises an upper cover 1, a battery cell 2, an integrated board 3 and a lower box body 4, wherein the upper cover 1, the battery cell 2, the integrated board 3 and the lower box body 4 are sequentially arranged from top to bottom, the battery cell 2 is provided with a plurality of battery cells, the upper ends of the battery cells 2 are adhered to the top wall of the upper cover 1 through structural adhesive, and the integrated board 3 is arranged on the lower side of the battery cell 2 and used for further enhancing the stability of the battery cell 2 after integration; the integrated plate 3 is arranged on the inner side of the lower box body 4; the two poles and the explosion-proof valve of the battery cell 2 in this embodiment are both located at the lower end of the battery cell body.
Further, a plurality of groups of supporting positions are formed on the integrated board 3, the supporting positions are uniformly distributed on the integrated board 3, each supporting position is provided with a pressure relief groove 31 which penetrates longitudinally and two containing holes 32 which penetrate longitudinally, each supporting position correspondingly supports one electric core 2, specifically, the position of the pressure relief groove 31 corresponds to the position of an explosion-proof valve on the electric core 2, the positions of the two containing holes 32 correspond to the positions of two polar posts on the electric core 2, the containing holes 32 are used for providing containing spaces for the polar posts, after assembly, the two polar posts on the electric core 2 are correspondingly inserted into the containing holes 32, and the lower end face of a body of the electric core 2 is abutted against the upper end face of the integrated board 3, so that the polar posts and the explosion-proof valve of the electric core do not occupy the space of the electric core in the Z direction; in addition, in order to realize the connection between the electric cores in the battery module, the battery system is also provided with a bus bar (not shown in the figure), and the bus bar is arranged between the integrated board 3 and the lower box 4.
In order to improve the bearing capacity of the integrated board 3, the lower end part of the integrated board 3 is also provided with a first reinforcing rib 5 and a second reinforcing rib 6, one first reinforcing rib 5 and four second reinforcing ribs 6 are arranged, and the first reinforcing rib 5 and the four second reinforcing ribs 6 are all arranged in a crossing way; further, the first reinforcing rib 5 and the second reinforcing rib 6 are both partially protruded from the lower end face of the integrated plate 3 body, and the first reinforcing rib 5 and the second reinforcing rib 6 are in contact with the bottom wall of the lower box 4, so that a gap exists between the integrated plate 3 body and the lower box 4, and when the explosion-proof valve is ejected out, high-pressure gas in the battery cell is easier to discharge, and the safety of the battery module is improved.
Embodiment two: as shown in fig. 3, in the case where the integrated board 3 itself has a certain rigidity, in order to achieve that a gap exists between the integrated board 3 body and the lower case 4, and meanwhile, to make the integrated board 3 lighter, unlike the first embodiment, the lower end portion of the integrated board 3 is provided with a plurality of first supporting blocks 7 and a plurality of second supporting blocks 8, wherein the plurality of first supporting blocks 7 are arranged in a row from left to right, and the plurality of second supporting blocks 8 are divided into four rows from front to back and are distributed at intervals, and by such arrangement, not only can the gap exist between the integrated board 3 body and the lower case 4 under the action of the first supporting blocks 7 and the second supporting blocks 8, but also the material consumption can be reduced, and the benefit of cost reduction and efficiency enhancement can be achieved.
Embodiment III: as shown in fig. 4, in the case that the integrated board 3 has a certain rigidity, in order to achieve rapid assembly and fixation between the integrated board 3 body and the lower case 4, unlike the first and second embodiments, the left and right ends of the integrated board 3 are provided with a plurality of tenons 33, and the left and right sidewalls of the lower case 4 are provided with a plurality of mortises 41 matched with the tenons 33, and the tenons 33 and the mortises 41 cooperate to achieve rapid assembly and fixation between the integrated board 3 body and the lower case 4, so as to improve the assembly efficiency of the battery system; further, the depth of the mortise 41 is smaller than the depth of the inner cavity of the lower case 4, so that the purpose of the arrangement is to provide clearance between the lower end surface of the integrated board 3 and the bottom wall of the lower case 4 when the integrated board 3 is arranged in the lower case 4, which is beneficial to exhausting high-pressure gas in the battery cell after the explosion-proof valve pops up.
Through this technical scheme, through bonding the battery cell and fixing on the upper cover, pole and the explosion-proof valve of battery cell all set up the lower extreme at the battery cell body, set up the integrated board at the battery cell downside, set up a plurality of holding holes and the pressure release groove that correspond with the pole and the explosion-proof valve position of battery cell on the integrated board, the integrated board can enough improve electric core integrated efficiency as support piece, can also provide the holding position for pole and the explosion-proof valve of battery cell in order to guarantee the integrated stability of battery cell, through such setting, reduced the occupation space of battery cell in Z to for the flat degree of this battery system is higher, can reduce the passenger space that battery system occupy the car after using this battery system on the car, finally improve car riding experience.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a high integrated battery system, includes upper cover (1), a plurality of electric core (2) and lower box (4), and between upper cover (1) and lower box (4) all was located to a plurality of electric core (2), and the utmost point post and the explosion-proof valve of electric core (2) all are towards lower box (4), its characterized in that: the battery system further comprises an integrated board (3); the integrated board (3) is arranged on the inner side of the lower box body (4); the integrated board (3) is provided with a supporting position; the support positions are provided with a plurality of groups, and the plurality of groups of support positions are arranged in one-to-one correspondence with the plurality of battery cells (2); the pole of the battery core (2) and the explosion-proof valve are both accommodated in the supporting position, and the lower end face of the battery core (2) body is abutted with the upper end face of the integrated plate (3).
2. The highly integrated battery system of claim 1, wherein: the supporting position is provided with a pressure relief groove (31) and a containing hole (32); the position of the pressure relief groove (31) corresponds to the explosion-proof valve position of the battery cell (2); the position of the accommodating hole (32) corresponds to the position of the pole of the battery core (2).
3. The highly integrated battery system of claim 1, wherein: the lower end part of the integrated plate (3) is provided with a first reinforcing rib (5) and a second reinforcing rib (6); the first reinforcing ribs (5) and the second reinforcing ribs (6) are arranged in a crossing way.
4. A highly integrated battery system according to claim 3, wherein: the first reinforcing ribs (5) and the second reinforcing ribs (6) are protruded out of the lower end face of the integrated plate (3) body.
5. A highly integrated battery system according to claim 3, wherein: the second reinforcing ribs (6) are provided with a plurality of reinforcing ribs; the plurality of second reinforcing ribs (6) are uniformly distributed.
6. The highly integrated battery system of claim 1, wherein: the lower end part of the integrated plate (3) is provided with a plurality of first supporting blocks (7) and a plurality of second supporting blocks (8); the first supporting blocks (7) are arranged in a straight line in the left-right direction and are distributed at intervals; the plurality of second support blocks (8) are spaced apart in the front-rear direction.
7. The highly integrated battery system of claim 6, wherein: the plurality of second support blocks (8) are equally divided into four rows in the front-rear direction.
8. The highly integrated battery system of claim 1, wherein: tenons (33) are arranged at the left end and the right end of the integrated board (3); mortises (41) are formed in the left side wall and the right side wall of the lower box body (4); the tenon (33) corresponds to the mortise (41) in position and is mutually matched.
9. The highly integrated battery system of claim 8, wherein: the depth of the mortise (41) is smaller than the depth of the inner cavity of the lower box body (4).
10. The highly integrated battery system of claim 1, wherein: the battery system is also provided with a busbar; the busbar is arranged between the integrated board (3) and the lower box body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419676.1U CN220753640U (en) | 2023-09-07 | 2023-09-07 | High-integration battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419676.1U CN220753640U (en) | 2023-09-07 | 2023-09-07 | High-integration battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753640U true CN220753640U (en) | 2024-04-09 |
Family
ID=90564378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322419676.1U Active CN220753640U (en) | 2023-09-07 | 2023-09-07 | High-integration battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753640U (en) |
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2023
- 2023-09-07 CN CN202322419676.1U patent/CN220753640U/en active Active
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| GR01 | Patent grant |