CN220527055U - Battery system capable of rapidly maintaining and replacing battery cell - Google Patents
Battery system capable of rapidly maintaining and replacing battery cell Download PDFInfo
- Publication number
- CN220527055U CN220527055U CN202321143578.3U CN202321143578U CN220527055U CN 220527055 U CN220527055 U CN 220527055U CN 202321143578 U CN202321143578 U CN 202321143578U CN 220527055 U CN220527055 U CN 220527055U
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- Prior art keywords
- battery
- battery system
- cells
- replaceable
- box body
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000012423 maintenance Methods 0.000 claims abstract description 26
- 239000004411 aluminium Substances 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model belongs to a battery system capable of rapidly maintaining and replacing a battery core, belonging to the technical field of new energy automobile power battery systems. Battery system box (1) include box front portion (11), intermediate beam (12), box rear portion (13), and battery module arranges in the holding cavity between intermediate beam (12) and box rear portion (13), and battery module includes a plurality of electric core (3), and every position between two adjacent electric core (3) sets up a fastening support (7), and every fastening support (7) top sets up former dress aluminium bar (5) respectively, and two posts of two adjacent electric core (3) of every former dress aluminium bar (5) welded connection. The battery system capable of rapidly maintaining and replacing the battery cells is simple in structure, can solve the problem of inconvenient replacement of the battery cells in the maintenance site, ensures rapid replacement of the battery cells, does not need to be returned to a factory to detach the battery system in a large range, and avoids damage caused by detaching the battery system in a large range.
Description
Technical Field
The utility model belongs to the technical field of power battery systems of new energy automobiles, and particularly relates to a battery system capable of rapidly maintaining and replacing an electric core.
Background
Currently, the market share of pure electric vehicles is increasing. CTP (Cell to Pack) the battery pack scheme reduces the use of battery pack structural members, module structural members and fixing members, the current carrying between the battery cells is mainly ensured by aluminum bar laser welding, and the fixing of the battery cells is ensured by introducing structural adhesive, heat conducting structural adhesive, battery cell binding bands and the like, without adopting a mechanical connection mode similar to a detachable mode of bolt connection. When a single cell of the battery pack has a problem and needs to be replaced, the battery pack must be returned to a factory, and then the problem cell connected with the battery pack can be detached after a long time is spent. And the battery cell needs to be welded again after being replaced by a new battery cell. Secondary losses can be incurred to the cells and associated components during the extensive disassembly process.
The technology of the prior art, named as a protective mounting device of a 48V lithium ion battery system and with the publication number of 209447888U, comprises an upper box body (1), a lower box body (2), a sealing ring (4), a battery module (6) and box body screws (10); the battery module comprises a battery management system bracket (61), a plurality of aluminum bars (62) and a plurality of electric cores (66); a plurality of electric cores are connected in series to form an electric core group, and a battery management system support is arranged at the top of the electric core group; the aluminum bar is arranged on the battery management system bracket and welded above the pole of the battery cell to form a battery cell assembly module; the battery cell assembly module is fixed in the lower box body through heat conduction fixing glue, and a gap between the battery cell group and the inner wall of the lower box body is filled with the heat conduction fixing glue; the sealing ring is arranged between the contact surfaces of the upper box body and the lower box body, and the upper box body is fixed on the lower box body through the sealing ring and the box body screw.
However, this technology does not relate to the technical problems and technical solutions of the present application.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the battery system which has simple structure, can solve the problem of inconvenient replacement of the battery cell in the maintenance site of the problem, ensures the quick replacement of the battery cell in the problem, does not need to be taken back to a factory to detach the battery system on a large scale, and avoids damage caused by detaching the battery system on a large scale.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a battery system capable of rapidly maintaining and replacing electric cores, wherein a battery system box body comprises a box body front part, a middle beam and a box body rear part, a battery module is arranged in a containing cavity between the middle beam and the box body rear part, the battery module comprises a plurality of electric cores, a fastening bracket is arranged at a position between every two adjacent electric cores, original aluminum bars are respectively arranged above each fastening bracket, and each original aluminum bar is welded and connected with two polar posts of two adjacent electric cores.
The battery system capable of rapidly maintaining and replacing the battery cells further comprises a maintenance aluminum bar.
An insulating material layer is clamped between the middle beam and the battery module.
A wedge-shaped pressing block is clamped between the battery module and the rear part of the box body.
The front part and the rear part of the battery module are respectively provided with a locking pressing plate, the locking pressing plates comprise a pressing surface and a connecting surface, the pressing surface is pressed on the side surface of the battery module, the connecting surface is inserted into the battery system box body, and a connecting screw rod penetrating through the locking pressing plates is connected with a connecting seat at the bottom of the battery system box body.
The battery modules comprise a plurality of groups, and adjacent battery modules are arranged side by side.
An intermediate locking pressing plate is arranged between two adjacent battery modules.
The connecting screw rod penetrating through the middle locking pressing plate is connected with the connecting seat at the bottom of the battery system box body.
The fastening bracket is of a structure made of metal materials.
The wedge-shaped pressing block is of a structure made of elastic materials.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
the battery system capable of rapidly maintaining and replacing the battery cells comprises a battery system box body, a battery module and a battery module, wherein the battery system box body comprises a box body front part, a middle beam and a box body rear part, the battery module is arranged in a containing cavity between the middle beam and the box body rear part, and the battery module comprises a plurality of battery cells, and two adjacent battery cells are connected in series to serve as a minimum unit for maintenance; before the original aluminum bars of two adjacent electric cores are welded, a fastening bracket is placed at the lower end of the original aluminum bars, and after the original aluminum bars are welded with the poles of the two adjacent electric cores by laser, the fastening bracket is fixedly fixed on the original aluminum bars by using nuts. In the use process of the battery system, when a certain single cell fails, a maintainer cuts off and removes the original aluminum bar part of the failed cell, takes out the failed cell and loads a new cell; the maintenance aluminum bar is fastened together with the fastening bracket by the nut, and is connected with the pole of the new battery cell, so that the maintenance aluminum bar is reliably connected, and therefore, the connection between the uncut part of the original aluminum bar and the newly replaced maintenance aluminum bar is reliably realized through the fastening bracket, and the reliable work of the battery cell is ensured. Therefore, an operator can conveniently and rapidly replace the battery cell on site, and the battery system maintenance is not required to be carried out in a factory. The structure and the operation do not need to disassemble the battery system in a large range, only the failed battery cell is disassembled, a new battery cell is replaced, and the battery cell connection is realized.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
fig. 1 is a schematic top view of a battery system with a cell capable of being quickly maintained and replaced according to the present utility model;
FIG. 2 is a schematic diagram of an isometric view of a battery system with a cell that can be quickly repaired and replaced according to the present utility model;
FIG. 3 is a schematic view of a partial structure of a battery system capable of rapidly repairing and replacing a battery cell according to the present utility model when the battery system is used for repairing an aluminum bar;
the reference numerals in the figures are respectively: 1. a battery system case; 11. the front part of the box body; 12. a middle beam; 13. the rear part of the box body; 2. an insulating material layer; 3. a battery cell; 4. a wedge-shaped pressing block; 5. original aluminum bar; 6. locking the pressing plate; 61. a compression surface; 62. a connection surface; 7. fastening a bracket; 8. maintaining the aluminum bar; 9. and a middle locking pressing plate.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1-3, the utility model relates to a battery system capable of rapidly maintaining and replacing electric cores, a battery system box 1 comprises a box front part 11, a middle beam 12 and a box rear part 13, a battery module is arranged in a containing cavity between the middle beam 12 and the box rear part 13, the battery module comprises a plurality of electric cores 3, a fastening bracket 7 is arranged at a position between every two adjacent electric cores 3, an original aluminum bar 5 is respectively arranged above each fastening bracket 7, and each original aluminum bar 5 is welded and connected with two poles of two adjacent electric cores 3. The battery system capable of rapidly maintaining and replacing the battery cells further comprises a maintenance aluminum bar 8. The structure provides an improved technical scheme aiming at the defects in the prior art. The battery system box body 1 comprises a box body front part 11, a middle beam 12 and a box body rear part 13, a battery module is arranged in a containing cavity between the middle beam 12 and the box body rear part 13, the battery module comprises a plurality of electric cores 3, and two adjacent electric cores 3 are connected in series to serve as a minimum unit for maintenance; before the original aluminum bars 5 of the adjacent two electric cores 3 are welded, a fastening bracket 7 is placed at the lower end of the original aluminum bars 5, and after the original aluminum bars 5 and the polar posts of the adjacent two electric cores 3 are welded by laser, the fastening bracket 7 is fixed on the original aluminum bars 5 by using nuts. In the use process of the battery system, when a certain single cell 3 fails, a maintainer cuts off and removes the original aluminum bar 5 part of the failed cell 3, takes out the failed cell 3 and loads a new cell 3; the maintenance aluminum bar 8 is fastened together with the fastening bracket 7 by using the nut, and meanwhile, the maintenance aluminum bar 8 is connected with the pole of the new battery cell 3, so that the maintenance aluminum bar 8 is reliably connected, and in this way, the connection between the uncut part of the original aluminum bar and the newly replaced maintenance aluminum bar 8 is reliably realized through the fastening bracket 7, and the reliable work of the battery cell 3 is ensured. Therefore, an operator can conveniently and rapidly replace the battery cell on site, and the battery system maintenance is not required to be carried out in a factory. The structure and the operation do not need to disassemble the battery system in a large range, only the failed battery cell is disassembled, a new battery cell is replaced, and the battery cell connection is realized. The battery system capable of rapidly maintaining and replacing the battery cells is simple in structure, can solve the problem of inconvenient replacement of the battery cells in the maintenance site, ensures rapid replacement of the battery cells, does not need to be returned to a factory to detach the battery system in a large range, and avoids damage caused by detaching the battery system in a large range.
An insulating material layer 2 is sandwiched between the intermediate beam 12 and the battery module. The wedge-shaped pressing block 4 is clamped between the battery module and the rear part 13 of the box body. With the structure, the insulating material layer 2 and the wedge-shaped pressing block 4 are positioned at the front part and the rear part of the battery module, so that the limit of the battery module is reliably realized.
The front part and the rear part of the battery module are respectively provided with a locking pressing plate 6, the locking pressing plates 6 comprise a pressing surface 61 and a connecting surface 62, the pressing surface 61 is pressed on the side surface of the battery module, the connecting surface 62 is inserted into the battery system box body 1, and a connecting screw passing through the locking pressing plates 6 is connected with a connecting seat at the bottom of the battery system box body 1. Above-mentioned structure, locking clamp plate and battery system box are connected, from the spacing battery module of top, and the battery module can not shift from top to bottom easily, reliable location.
The battery modules comprise a plurality of groups, and adjacent battery modules are arranged side by side. An intermediate locking pressing plate 9 is arranged between two adjacent battery modules. According to the structure, multiple groups of battery modules can be arranged according to the capacity requirement of the battery system, and multiple battery cores can be arranged in each group of battery modules, and the number of the battery cores of each group of battery modules is even, so that every two adjacent battery cores can be connected conveniently, and the two adjacent battery cores can be connected in series and then used as the minimum unit for maintenance. When setting up multiunit battery module, need set up middle locking briquetting between the adjacent module to spacing battery module. The middle locking pressing plate is also connected with the battery system box body, the battery module is limited from the upper part, the battery module cannot easily move up and down, and the battery module is reliably positioned. When the battery cell is disassembled, the corresponding locking pressing plate is required to be disassembled.
The connecting screw passing through the middle locking pressing plate 9 is connected with the connecting seat at the bottom of the battery system box body 1. With the structure, the connecting screw is reliably connected with the middle locking pressing plate and the battery system box body.
The fastening bracket 7 is made of metal material. Above-mentioned structure, fastening bracket are used for connecting former dress aluminium bar and maintenance aluminium bar, and the metal material is used for electrically conductive, ensures that the battery uses.
The wedge-shaped pressing block 4 is made of elastic materials. The wedge-shaped pressing block 4 is matched with the insulating material layer 2, the battery module is limited from two sides, the insulating material layer 2 and the wedge-shaped pressing block 4 are made of elastic materials, expansion of the battery module during operation can be contained, and the battery can not be damaged by extrusion.
The battery system capable of rapidly maintaining and replacing the battery cells comprises a battery system box body 1, a battery module and a battery module, wherein the battery system box body 1 comprises a box body front part 11, a middle beam 12 and a box body rear part 13, the battery module is arranged in a containing cavity between the middle beam 12 and the box body rear part 13, the battery module comprises a plurality of battery cells 3, and two adjacent battery cells 3 are connected in series to serve as a minimum unit for maintenance; before the original aluminum bars 5 of the adjacent two electric cores 3 are welded, a fastening bracket 7 is placed at the lower end of the original aluminum bars 5, and after the original aluminum bars 5 and the polar posts of the adjacent two electric cores 3 are welded by laser, the fastening bracket 7 is fixed on the original aluminum bars 5 by using nuts. In the use process of the battery system, when a certain single cell 3 fails, a maintainer cuts off and removes the original aluminum bar 5 part of the failed cell 3, takes out the failed cell 3 and loads a new cell 3; the maintenance aluminum bar 8 is fastened together with the fastening bracket 7 by using the nut, and meanwhile, the maintenance aluminum bar 8 is connected with the pole of the new battery cell 3, so that the maintenance aluminum bar 8 is reliably connected, and in this way, the connection between the uncut part of the original aluminum bar and the newly replaced maintenance aluminum bar 8 is reliably realized through the fastening bracket 7, and the reliable work of the battery cell 3 is ensured. Therefore, an operator can conveniently and rapidly replace the battery cell on site, and the battery system maintenance is not required to be carried out in a factory. The structure and the operation do not need to disassemble the battery system in a large range, only the failed battery cell is disassembled, a new battery cell is replaced, and the battery cell connection is realized.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (10)
1. The utility model provides a but battery system of quick maintenance change electric core which characterized in that: battery system box (1) include box front portion (11), intermediate beam (12), box rear portion (13), and battery module arranges in the holding cavity between intermediate beam (12) and box rear portion (13), and battery module includes a plurality of electric core (3), and every position between two adjacent electric core (3) sets up a fastening support (7), and every fastening support (7) top sets up former dress aluminium bar (5) respectively, and two posts of two adjacent electric core (3) of every former dress aluminium bar (5) welded connection.
2. The battery system of claim 1, wherein the cells are quickly repairable and replaceable, wherein: the battery system capable of rapidly maintaining and replacing the battery cells also comprises a maintenance aluminum bar (8).
3. The battery system of claim 1 or 2, wherein the cells are quickly repairable and replaceable, wherein: an insulating material layer (2) is clamped between the middle beam (12) and the battery module.
4. The battery system of claim 3, wherein the cells are quickly repairable and replaceable, wherein: a wedge-shaped pressing block (4) is clamped between the battery module and the rear part (13) of the box body.
5. The battery system of claim 1 or 2, wherein the cells are quickly repairable and replaceable, wherein: the front part and the rear part of the battery module are respectively provided with a locking pressing plate (6), the locking pressing plates (6) comprise a pressing surface (61) and a connecting surface (62), the pressing surface (61) is pressed on the side surface of the battery module, the connecting surface (62) is inserted into the battery system box body (1), and a connecting screw rod penetrating through the locking pressing plates (6) is connected with a connecting seat at the bottom of the battery system box body (1).
6. The battery system of claim 1 or 2, wherein the cells are quickly repairable and replaceable, wherein: the battery modules comprise a plurality of groups, and adjacent battery modules are arranged side by side.
7. The battery system of claim 6, wherein the cells are quickly repairable and replaceable: an intermediate locking pressing plate (9) is arranged between two adjacent battery modules.
8. The battery system of claim 7, wherein the cells are quickly repairable and replaceable: the connecting screw rod passing through the middle locking pressing plate (9) is connected with the connecting seat at the bottom of the battery system box body (1).
9. The battery system of claim 1 or 2, wherein the cells are quickly repairable and replaceable, wherein: the fastening bracket (7) is of a structure made of metal materials.
10. The battery system of claim 4, wherein the cells are quickly repairable and replaceable, wherein: the wedge-shaped pressing block (4) is of a structure made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321143578.3U CN220527055U (en) | 2023-05-12 | 2023-05-12 | Battery system capable of rapidly maintaining and replacing battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321143578.3U CN220527055U (en) | 2023-05-12 | 2023-05-12 | Battery system capable of rapidly maintaining and replacing battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527055U true CN220527055U (en) | 2024-02-23 |
Family
ID=89930979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321143578.3U Active CN220527055U (en) | 2023-05-12 | 2023-05-12 | Battery system capable of rapidly maintaining and replacing battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527055U (en) |
-
2023
- 2023-05-12 CN CN202321143578.3U patent/CN220527055U/en active Active
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