CN220368045U - Battery pack without module - Google Patents
Battery pack without module Download PDFInfo
- Publication number
- CN220368045U CN220368045U CN202321084907.1U CN202321084907U CN220368045U CN 220368045 U CN220368045 U CN 220368045U CN 202321084907 U CN202321084907 U CN 202321084907U CN 220368045 U CN220368045 U CN 220368045U
- Authority
- CN
- China
- Prior art keywords
- battery
- box body
- battery pack
- battery cell
- cores
- 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.)
- Active
Links
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery pack without a module, which comprises: a case body having an upper opening; a plurality of battery cores which are arranged in the box body in parallel and connected in series; a plurality of pressing plates which are arranged at the upper part of the box body in a crossing way and the lower end face of which is abutted with the upper part of the battery cell; the separator is arranged at the edge of the battery cell; the electric component and the BMS are arranged on one side of the partition plate, which is opposite to the battery core, and are electrically connected with the battery cores after being connected in series; the buffer layer is arranged on the outer side of the outermost battery core in the thickness direction and forms buffer between the battery core and the inner wall of the partition board and the box body; the cover plate is arranged above the box body and is matched with the box body in a sealing way to realize sealing; the material cost and the processing time cost generated by the battery cell forming die are saved, the number of parts in the box body is reduced, the manufacturing cost is reduced on one hand, the production efficiency is improved, and the utilization rate of the space in the box body is improved on the other hand, so that the battery capacity of the battery pack is improved.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a battery pack without a module.
Background
At present, a general power battery system adopts a grouping mode, electric cores form modules, and the modules form PACK. The module is fixed the electric core and needs to add many other structures such as terminal plate, curb plate etc. and causes the battery package structure of modularization very complicated, and the part kind is many, and the equipment technology is complicated etc.. When the module is fixed on the box body, corresponding fasteners are needed, the box body is correspondingly provided with fixing points, and enough installation space is needed to be reserved in the box body for installing the fasteners, so that the space utilization rate of the box body is low.
Therefore, there is a need for a battery pack structure without modules to reduce the variety and number of fasteners of the battery cells, simplify the structural design of the case, and improve the space utilization of the case.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a battery pack without a module, which is used for solving the problem of low space utilization of a case of a modularized battery pack structure in the prior art.
To achieve the above and other related objects, the present utility model provides a battery pack without a module, comprising:
a case body having an upper opening;
a plurality of battery cores which are arranged in the box body in parallel and connected in series;
a plurality of pressing plates which are arranged at the upper part of the box body in a crossing way and the lower end face of which is abutted with the upper part of the battery cell;
the separator is arranged at the edge of the battery cell;
the electric component and the BMS are arranged on one side of the partition plate, which is opposite to the battery core, and are electrically connected with the battery cores after being connected in series;
the buffer layer is arranged on the outer side of the outermost battery core in the thickness direction and forms buffer between the battery core and the inner wall of the partition board and the box body;
the cover plate is arranged above the box body and is matched with the box body in a sealing way to realize sealing.
By adopting the technical scheme, the battery cells are directly arranged in the box, the pressing plate directly acts on the battery cells to limit the position offset of the battery cells, the procedure of forming a module by the battery cells is cancelled, the material cost and the processing time cost generated by forming the module by the battery cells are saved, the number of parts in the box is reduced, the manufacturing cost is reduced, the production efficiency is improved, and the utilization rate of the space in the box is improved, so that the battery capacity of the battery pack is improved; in addition, the buffer layer forms the buffer between the outermost battery cell and the partition board or the inner wall of the box body, so that the tolerance of the battery cell in the thickness direction can be absorbed.
In an embodiment of the present utility model, further includes: the plurality of winding displacement boards are arranged above the electric cores, the electric cores are arranged in parallel along the length direction and the thickness direction, the winding displacement boards are arranged in an S shape, the positive electrode and the negative electrode of the adjacent electric cores are sequentially connected to realize the series connection of the electric cores, and the winding displacement boards at the head end and the tail end are respectively connected with a terminal board and an electric assembly.
Through adopting above-mentioned technical scheme, during the equipment, can follow S-shaped direction and pack into electric core and installation winding displacement board in proper order, make things convenient for the production equipment of battery package, further improved production efficiency.
In an embodiment of the utility model, each of the flat cable plates is connected to the positive electrode or the negative electrode terminal of the battery cell by adopting aluminum-row laser welding, and each of the terminal plates adopts copper rows.
By adopting the technical scheme, the terminal board with higher load adopts the copper bar to ensure the service life.
In an embodiment of the utility model, each of the flat cable plates is provided with a columnar insulator.
By adopting the technical scheme, the box body is prevented from leaking.
In an embodiment of the present utility model, tampons are disposed on two sides of the outermost cell in the thickness direction of each cell.
By adopting the technical scheme, the buffer between the outermost battery cell and the partition board or the inner wall of the box body is formed, and the tolerance of the battery cell in the thickness direction can be absorbed.
In one embodiment of the utility model, the electrical assembly comprises: relay, fuse, shunt.
As described above, the battery pack without the module has the following beneficial effects:
1. the battery cells are directly arranged in the box body, the pressing plate directly acts on the battery cells to limit the position deviation of the battery cells, the procedure of forming a module by the battery cells is omitted, the material cost and the processing time cost generated by forming the module by the battery cells are saved, the number of parts in the box body is reduced, the manufacturing cost is reduced, the production efficiency is improved, the utilization rate of the space in the box body is improved, and the battery capacity of the battery pack is improved;
2. during assembly, the battery cells and the mounting flat cable plates can be sequentially arranged along the S-shaped direction, so that the production and assembly of the battery pack are facilitated, and the production efficiency is further improved;
3. the copper bars are adopted for the terminal plates with higher loads, so that the service life of the battery pack is guaranteed;
4. the buffer layer forms the buffer between the outermost battery cell and the partition board or the inner wall of the box body, so that the tolerance of the battery cell in the thickness direction can be absorbed.
Drawings
Fig. 1 is an internal perspective view of a battery pack without a module according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a battery pack without a module according to an embodiment of the present utility model.
Fig. 3 is a top view illustrating the inside of a battery pack without a module according to an embodiment of the present utility model.
Fig. 4 is a top view showing a case of a battery pack without a module according to an embodiment of the present utility model.
Fig. 5 is an external perspective view showing a battery pack without a module according to an embodiment of the present utility model.
Description of the reference numerals
1. A case; 2. a battery cell; 3. a pressing plate; 4. a partition plate; 5. an electrical component; 6. BMS; 7. a buffer layer; 8. a cover plate; 9. a wire arrangement plate; 10. a terminal plate; 11. an insulator.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 5. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1-5, the present utility model provides a battery pack without a module, comprising:
a case 1 having an upper opening;
a plurality of battery cores 2 which are arranged in the box body 1 in parallel and connected in series;
a plurality of pressing plates 3 which are arranged at the upper part of the box body 1 in a crossing way and the lower end face of which is abutted with the upper part of the battery cell 2;
the separator 4 is arranged at the edge of the battery cell 2;
the electric component 5 and the BMS6 are arranged on one side of the separator 4, which is opposite to the battery cell 2, and are electrically connected with the battery cells 2 after being connected in series;
a buffer layer 7 arranged on the outer side of the outermost battery cell 2 in the thickness direction and forming a buffer between the battery cell 2 and the partition plate 4 and the inner wall of the case 1;
the cover plate 8 is arranged above the box body 1 and is in sealing fit with the box body 1 to realize sealing;
the battery cell 2 is directly arranged in the box body 1, the pressing plate 3 directly acts on the battery cell 2 to limit the position deviation of the battery cell 2, the procedure of forming a module by the battery cell 2 is canceled, the material cost and the processing time cost generated by forming a die by the battery cell 2 are saved, the number of parts in the box body 1 is reduced, the manufacturing cost is reduced, the production efficiency is improved, the utilization rate of the internal space of the box body 1 is improved, and the battery capacity of a battery pack is improved; in addition, the buffer layer 7 forms a buffer between the outermost cell 2 and the separator 4 or the inner wall of the case 1, so that the tolerance in the cell thickness direction can be absorbed.
Further comprises: the plurality of wire arranging plates 9 are arranged above the electric cores 2, the electric cores 2 are arranged in parallel along the length direction and the thickness direction, the wire arranging plates 9 are arranged in an S shape and sequentially connected with the positive electrode and the negative electrode of the adjacent electric core 2 to realize the series connection of the electric cores 2, and the wire arranging plates 9 at the head end and the tail end are respectively connected with a terminal plate 10 and are electrically connected with the electric component 5; during the dress, can follow S-shaped direction and pack into electric core 2 and installation winding displacement board 9 in proper order, make things convenient for the production equipment of battery package, further improved production efficiency.
Each flat cable plate 9 adopts aluminium bar laser welding to connect on the positive pole or the negative pole terminal of electric core 2, and each terminal plate 10 adopts the copper bar, and the higher terminal plate 10 of load adopts the copper bar to guarantee life.
Each flat cable 9 is provided with a columnar insulator 11 to prevent the leakage of electricity from the box 1.
Two sides of the outermost battery cell 2 in the thickness direction of each battery cell 2 are provided with foam strips; the buffer between the outermost cell 2 and the partition plate 4 or the inner wall of the case 1 is formed, and the tolerance in the thickness direction of the cell 2 can be absorbed.
The electrical component 5 includes: relay, fuse, shunt.
The working principle of the battery pack without the module is as follows: the battery cell 2 is directly arranged in the box body 1, the pressing plate 3 directly acts on the battery cell 2 to limit the position deviation of the battery cell 2, the procedure of forming a module by the battery cell 2 is canceled, the material cost and the processing time cost generated by forming a die by the battery cell 2 are saved, and the number of parts in the box body 1 is reduced.
In summary, according to the utility model, the battery cell 2 is directly arranged in the box 1, the pressing plate 3 directly acts on the battery cell 2 to limit the position deviation of the battery cell 2, the procedure of forming a module by the battery cell 2 is cancelled, the material cost and the processing time cost generated by forming a die by the battery cell 2 are saved, the number of parts in the box 1 is reduced, the manufacturing cost is reduced, the production efficiency is improved, and the utilization rate of the internal space of the box 1 is improved, so that the battery capacity of the battery pack is improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. A battery pack without a module, comprising:
a case (1) with an upper opening;
a plurality of battery cores (2) which are arranged in parallel in the box body (1) and are connected in series;
a plurality of pressing plates (3) which are transversely arranged at the upper part of the box body (1) and the lower end surface of which is abutted with the upper part of the battery cell (2);
the separator (4) is arranged at the edge of the battery cell (2);
the electric component (5) and the BMS (6) are arranged on one side of the partition board (4) opposite to the battery core (2) and are electrically connected with the battery core (2) after being connected in series;
a buffer layer (7) which is arranged at the outer side of the outermost battery core (2) in the thickness direction and forms a buffer between the battery core (2) and the inner wall of the partition board (4) and the box body (1);
and the cover plate (8) is arranged above the box body (1) and is matched with the box body (1) in a sealing way to realize sealing.
2. The die-free battery pack according to claim 1, wherein: further comprises: the plurality of winding displacement boards (9) are arranged above the electric cores (2), the electric cores (2) are arranged in parallel along the length direction and the thickness direction, the winding displacement boards (9) are arranged in an S shape and sequentially connected with the positive electrode and the negative electrode of the adjacent electric cores (2) to realize the series connection of the electric cores (2), and the winding displacement boards (9) at the head end and the tail end are respectively connected with a terminal board (10) and an electric component (5) in an electric connection mode.
3. A moduleless battery pack according to claim 2, wherein: each wire arranging plate (9) is connected to the positive electrode terminal or the negative electrode terminal of the battery core (2) by adopting aluminum row laser welding, and each terminal plate (10) adopts copper bars.
4. A moduleless battery pack according to claim 3, wherein: a columnar insulator (11) is arranged on each winding displacement plate (9).
5. The die-free battery pack according to claim 1, wherein: and a foam sliver is arranged on the side part of the battery cell (2) positioned at the outermost side of each battery cell (2).
6. The die-free battery pack according to claim 1, wherein: the electrical assembly (5) comprises: relay, fuse, shunt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321084907.1U CN220368045U (en) | 2023-05-08 | 2023-05-08 | Battery pack without module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321084907.1U CN220368045U (en) | 2023-05-08 | 2023-05-08 | Battery pack without module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368045U true CN220368045U (en) | 2024-01-19 |
Family
ID=89517685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321084907.1U Active CN220368045U (en) | 2023-05-08 | 2023-05-08 | Battery pack without module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220368045U (en) |
-
2023
- 2023-05-08 CN CN202321084907.1U patent/CN220368045U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Lansi New Energy Technology Co.,Ltd. Person in charge of patents Document name: Notice of Approval for Restoration of Rights Request |
|
| DD01 | Delivery of document by public notice |