CN221596644U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN221596644U CN221596644U CN202323589057.3U CN202323589057U CN221596644U CN 221596644 U CN221596644 U CN 221596644U CN 202323589057 U CN202323589057 U CN 202323589057U CN 221596644 U CN221596644 U CN 221596644U
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- China
- Prior art keywords
- side plate
- battery module
- guide
- insulating support
- box cover
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- 238000009413 insulation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of power batteries, and particularly relates to a battery module and a battery pack. The battery module comprises a box body, a box cover and an insulating bracket, wherein the box body is provided with a side plate; the insulating support is connected with the case cover, the insulating support and the side plates are suitable for positioning and assembling along the height direction of the side plates, and the case cover is aligned with the side plates when the side plates are assembled in place. The battery module and the battery pack have at least the following beneficial effects: the box cover is connected with the side plate through the insulating bracket, so that the box cover can be pre-installed with the insulating bracket and then connected with the side plate together, the box cover and the side plate are aligned through positioning and assembling of the insulating bracket and the side plate, and the welding quality of the box cover and the side plate is improved; based on this, insulating support and curb plate are suitable for along the high orientation location assembly of curb plate, have reduced the assembly degree of difficulty, are favorable to realizing synchronous assembly to promote the assembly efficiency and the product quality of battery module and battery package.
Description
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a battery module and a battery pack.
Background
The case lid of battery module and the curb plate of box are generally independent production shaping, carry out welded fastening with case lid and curb plate again in the later stage, because case lid and curb plate mutually independent, not only have the problem of location difficulty, assembly inconvenience, the change of relative position still appears easily in the welding process to influence welding quality and assembly efficiency.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to a battery module and a battery pack, which are used for solving the problems of inconvenient assembly and difficult positioning of a case cover and a side plate in the prior art, so as to improve the assembly efficiency and quality of the battery module and the battery pack.
To achieve the above and other related objects, the present utility model provides a battery module comprising:
the box body is provided with a side plate;
A case cover; and
The insulating support is connected with the box cover, the insulating support and the side plates are suitable for being positioned and assembled along the height direction of the side plates, and the box cover is aligned with the side plates when the side plates are assembled in place.
Optionally, the insulating support and the case cover are suitable for positioning assembly along the height direction of the side plate and are in positioning connection through a positioning connection structure.
Optionally, the positioning connection structure includes a fastening hole and a fastening, the fastening hole is disposed on one of the case cover and the insulating bracket, the fastening is disposed on the other of the case cover and the insulating bracket, and the fastening is adapted to be fastened and positioned with the fastening hole so as to connect the case cover with the insulating bracket in a positioning manner.
Optionally, the two ends of the case cover are locally bent and extend along the height direction of the side plate to form an extension part facing the insulating bracket, the buckle Kong Kaishe is arranged on the extension part, the end wall of the insulating bracket facing the case cover is provided with a mounting groove corresponding to the extension part, and the buckle is arranged on the groove wall of the mounting groove.
Optionally, an opening is provided at an inlet of the mounting groove, and the extension portion is adapted to extend into the mounting groove from the opening to align and clamp the fastening hole with the fastening.
Optionally, the insulating support and the side plate are assembled and positioned through a guide structure, and the guide structure extends along the height direction of the side plate.
Optionally, the guide structure includes a guide block and a guide groove, the guide groove is disposed on one of the side plate and the insulating bracket, the guide block is disposed on the other of the side plate and the insulating bracket, and the guide block is adapted to slide into the guide groove along a height direction of the side plate to position and assemble the insulating bracket with the side plate.
Optionally, the guide block is disposed on an end wall of the insulating bracket facing the side plate and extends in a height direction of the side plate, and the guide groove is disposed on an end wall of the side plate facing the case cover and extends in a height direction of the side plate.
Optionally, the guide block includes a wide guide portion and a narrow guide portion distributed along a height direction of the side plate, the guide groove includes a wide groove portion corresponding to and adapted to the wide guide portion and a narrow groove portion corresponding to and adapted to the narrow guide portion, and the narrow guide portion is adapted to slide into the guide groove from the wide groove portion and be positioned and assembled with the narrow groove portion.
Optionally, the insulating support is configured as a busbar support.
To achieve the above and other related objects, the present application also provides a battery pack including the battery module as described above.
As described above, the battery module and the battery pack of the utility model have at least the following beneficial effects: the box cover is connected with the side plate through the insulating bracket, so that the box cover can be pre-installed with the insulating bracket and then connected with the side plate together, the box cover and the side plate are aligned through positioning and assembling of the insulating bracket and the side plate, and the welding quality of the box cover and the side plate is improved; based on this, insulating support and curb plate are suitable for along the high orientation location assembly of curb plate, have reduced the assembly degree of difficulty, are favorable to realizing synchronous assembly to promote the assembly efficiency and the product quality of battery module and battery package.
Drawings
Fig. 1 is a schematic view illustrating a structure of a battery module according to an embodiment of the present utility model;
Fig. 2 is an exploded view of the battery module of fig. 1;
FIG. 3 is a schematic view of a partial explosion of the cover and insulating support of FIG. 2;
FIG. 4 is a partial cross-sectional view of the cover and insulating support of FIG. 1;
FIG. 5 is a schematic view of a partial explosion of the insulating bracket and side plate of FIG. 2;
FIG. 6 is a schematic view of a partial connection between the insulating bracket and the side plate in FIG. 1;
fig. 7 is a partial side view of the insulating support and side plates of fig. 6.
Description of the part reference numerals
The battery cell stack 1, the case lid 2, the extension 21, the insulating holder 3, the mounting groove 31, the opening 311, the snap hole 41, the snap 42, the case 5, the side plate 51, the end plate 52, the bottom plate 53, the guide block 61, the wide guide portion 611, the narrow guide portion 612, the guide groove 62, the wide groove portion 621, and the narrow groove portion 622.
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.
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 and 2, in some alternative embodiments, the present application provides a battery pack including a battery module.
Referring to fig. 1 and 2, in some alternative embodiments, the battery module includes a case 5, a case cover 2, and an insulating holder 3. The battery module may include a cell stack 1 in addition to the above-described components, and the cell stack 1 may be mounted in a case 5. Wherein the case 5 has a side plate 51 and a case opening from which the cell stack 1 is adapted to be loaded into the case 5; the case cover 2 is positioned on one side of the case body 5 with a case opening and is suitable for covering the case opening; the insulating bracket 3 is connected with the case cover 2, the insulating bracket 3 and the side plate 51 are suitable for positioning and assembling along the height direction of the side plate 51, and the case cover 2 is aligned with the side plate 51 when assembling in place, and the case cover 2 also covers the case opening.
It is to be understood that, in the present application, the height direction of the side plate 51, the height direction of the case 5, the thickness direction of the case cover 2, and the loading direction of the cell stack 1 into the case 5 are all the same, i.e., the Z direction in the drawing; the length direction of the side plate 51, the length direction of the case 5 and the length direction of the case cover 2 are the same, namely, the X direction in the drawing; the thickness direction of the side plate 51, the width direction of the case 5, and the width direction of the cover 2 are the same, i.e., the Y direction in the drawing. In an alternative embodiment, the Z direction may be a vertical direction, where the opening of the case 5 faces upward, and the case cover 2 is located above the opening.
Optionally, the case 5 further has an end plate 52 and a bottom plate 53, and the end plate 52, the bottom plate 53, and the side plate 51 cooperate to enclose an installation space for accommodating the cell stack 1. Wherein, insulating support 3 is located between end plate 52 and the tip of electric core stack 1, and during the assembly process, insulating support 3 can avoid electric core stack 1 in order to avoid taking place to interfere with electric core stack 1.
Optionally, the insulating support 3 comprises a plastic support or other support with insulating properties.
Optionally, the insulating bracket 3 is configured as a busbar bracket, so that the insulating bracket 3 can assist in positioning and assembling the case cover 2 and the side plate 51, and can also provide mounting support for the busbar, which is beneficial to simplifying the structure.
In the battery module of the embodiment, the case cover 2 is connected with the side plate 51 through the insulating bracket 3, so that the case cover 2 is aligned with the side plate 51; in addition, the insulating support 3 and the side plates 51 are suitable for positioning assembly along the height direction of the side plates 51, so that the assembly difficulty is reduced, synchronous assembly is facilitated, and the assembly efficiency is improved. Specifically, the insulating support 3 can be pre-installed with the box cover 2, so that the insulating support 3 is in positioning connection with the box cover 2, then the insulating support 3 is in positioning assembly with the side plate 51, after the insulating support 3 is assembled with the side plate 51 in place, the relative positions of the box cover 2 and the side plate 51 are determined, the box cover 2 and the side plate 51 are aligned, positioning is accurate, and welding quality of the box cover 2 and the side plate 51 is improved. It will be appreciated that the insulating bracket 3 may be integrally connected to the case cover 2 and then assembled with the side plate 51, but is not limited to this assembly sequence; for example, the insulating holder 3, the cover 2, and the side plate 51 may be assembled simultaneously; or the insulating bracket 3 can be assembled and positioned with the side plate 51 first and then connected and positioned with the case cover 2.
Referring to fig. 2 to 4, in some alternative embodiments, the insulating support 3 and the case cover 2 are adapted to be assembled in a positioning manner along the height direction of the side plate 51, and the insulating support 3 and the case cover 2 are connected in a positioning manner by a positioning connection structure.
Optionally, the positioning connection structure includes a fastening hole 41 and a fastening 42, the fastening hole 41 is provided on one of the case cover 2 and the insulating bracket 3, the fastening 42 is provided on the other of the case cover 2 and the insulating bracket 3, and the fastening 42 is adapted to be fastened to the fastening hole 41 to connect the case cover 2 to the insulating bracket 3. The structure of the buckle hole 41 and the buckle 42 is simple, positioning assembly can be realized, connection between the insulating support 3 and the box cover 2 can be realized, connection stability is improved, so that the insulating support 3 and the box cover 2 can be fixed in relative position, subsequent assembly with the side plate 51 is facilitated, and assembly accuracy is improved.
Optionally, a latch hole 41 is provided on the case cover 2, and a latch 42 is provided on the insulating bracket 3. Further, both ends of the cover 2 are partially bent and extended in the height direction of the side plate 51 to form an extension portion 21 facing the insulating bracket 3, the extension portion 21 is provided with a fastening hole 41, the end wall of the insulating bracket 3 facing the cover 2 is provided with a mounting groove 31 corresponding to the extension portion 21, and the fastening hole 42 is provided on the groove wall of the mounting groove 31. Further, the entrance of the mounting groove 31 is provided with an opening 311, the extension part 21 is suitable for extending into the mounting groove 31 from the opening 311 along the height direction of the side plate 51 so as to align and clamp the clamping hole 41 and the clamping buckle 42, and the opening 311 has a guiding effect, thereby being beneficial to reducing the difficulty of loading the extension part 21 into the mounting groove 31, reducing the assembly difficulty and further improving the assembly efficiency. Specifically, the extension portion 21 and the mounting groove 31 may extend in the vertical direction, and the extension portion 21 may extend into the mounting groove 31 in the vertical direction, that is, the case cover 2 may be positioned and mounted with the insulating bracket 3 in the vertical direction; the extending portion extends into the mounting groove 31 from the opening 311 from top to bottom to align and clamp the fastening hole 41 with the fastening buckle 42.
In the battery module of the above embodiment, the insulating bracket 3 and the case cover 2 can be assembled along the height direction of the side plate 51, so that the assembly is simple and convenient, and in particular, the insulating bracket 3, the case cover 2 and the side plate 51 can be assembled along the height direction of the side plate 51, and the assembly directions are the same, so that the synchronous assembly of the three is further facilitated. The insulating bracket 3 is connected with the case cover 2 in a positioning way through a positioning connection structure, so that the connection and positioning are facilitated, the connection is stable and reliable, the assembly reliability and the assembly efficiency of the insulating bracket 3 and the case cover 2 are improved, and the assembly reliability and the assembly efficiency of the battery module are improved; in addition, insulating support 3 is connected and fixed with case lid 2, also is favorable to reinforcing insulating support 3 at the fixed effect in the battery module, is favorable to reinforcing battery module overall structure's steadiness.
Referring to fig. 2, 5-7, in some alternative embodiments, the insulating support 3 is assembled with the side plate 51 by a guide structure extending along the height of the side plate 51.
Alternatively, the guide structure includes a guide block 61 and a guide groove 62, the guide groove 62 is provided on one of the side plate 51 and the insulating holder 3, the guide block 61 is provided on the other of the side plate 51 and the insulating holder 3, and the guide block 61 is adapted to slide into the guide groove 62 in the height direction of the side plate 51 to position and fit the insulating holder 3 with the side plate 51.
Alternatively, the guide block 61 is provided on the end wall of the insulating holder 3 facing the side plate 51 and extends in the height direction of the side plate 51, and the guide groove 62 is provided on the end wall of the side plate 51 facing the cover 2 and extends in the height direction of the side plate 51. Further, the guide blocks 61 and the guide grooves 62 may extend in the vertical direction, and the guide blocks 61 are adapted to be fitted into the guide grooves 62 from top to bottom, that is, the insulating support 3 is adapted to be fitted to the side plate 51 from top to bottom to achieve positioning and fitting of the insulating support 3 and the side plate 51, thereby achieving positioning of the cover 2 and the side plate 51.
Optionally, the shape of the guide block 61 is adapted to the shape of the guide groove 62. Wherein, the guide block 61 includes wide guide portion 611 and narrow guide portion 612 distributed along the height direction of the side plate 51, the guide groove 62 includes wide groove portion 621 and narrow groove portion 622, the wide groove portion 621 corresponds to and fits with the wide guide portion 611, the narrow groove portion 622 corresponds to and fits with the narrow guide portion 612, the narrow guide portion 612 is suitable for sliding into the guide groove 62 from the wide groove portion 621 and positioning and assembling with the narrow groove portion 622, that is, when assembling, the narrow guide portion 612 is loaded into the guide groove 62 before the wide guide portion 611, by adopting the structural design, the narrow guide portion 612 enters the guide groove 62 from the wide groove portion 621 and then reaches the narrow groove portion 622, the guide block 61 is easier to be loaded into the guide groove 62, the assembling difficulty is low, and the positioning effect is ensured while the guide effect is enhanced. It will be appreciated that the width of the narrow guide portion 612 is smaller than the width of the wide guide portion 611, and the width of the wide groove portion 621 is larger than the width of the narrow groove portion 622. Further, the wide guide portion 611 and the narrow guide portion 612 are distributed in the vertical direction, and the wide guide portion 611 is located above the narrow guide portion 612.
In the battery module of the embodiment, the insulating bracket 3 and the side plate 51 are assembled and positioned through the guide structure so as to realize accurate positioning of the case cover 2 and the side plate 51 and provide positioning guarantee for fixing the case cover 2 and the side plate 51; particularly, when the case cover 2 and the side plate 51 are fixedly connected in a welding mode, the positioning precision can be improved, and the welding quality of the case cover 2 and the side plate 51 can be improved. In addition, after the cover 2, the insulating bracket 3 and the side plate 51 are assembled in place and the cover 2 is fixed with the side plate 51, the insulating bracket 3 can also be kept fixed, which is beneficial to providing reliable positioning references and mounting support for the bus bars or other components.
According to the battery module and the battery pack, positioning assembly is achieved between the case cover 2 and the side plate 51 through the insulating support 3, the structure is simple, positioning assembly is convenient and reliable, automatic installation of the battery module and the battery pack is facilitated, and accordingly assembly efficiency of the battery module and the battery pack is improved.
In the description of the present specification, the descriptions of the terms "present embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (11)
1. A battery module, comprising:
the box body is provided with a side plate;
A case cover; and
The insulating support is connected with the box cover, the insulating support and the side plates are suitable for being positioned and assembled along the height direction of the side plates, and the box cover is aligned with the side plates when the side plates are assembled in place.
2. The battery module according to claim 1, wherein: the insulating support and the box cover are suitable for positioning assembly along the height direction of the side plate and are in positioning connection through a positioning connection structure.
3. The battery module according to claim 2, wherein: the positioning connection structure comprises a buckle hole and a buckle, wherein the buckle hole is formed in one of the box cover and the insulating support, the buckle is formed in the other of the box cover and the insulating support, and the buckle is suitable for being clamped and positioned with the buckle hole so as to position and connect the box cover with the insulating support.
4. The battery module according to claim 3, wherein: the two ends of the box cover are locally bent and extend along the height direction of the side plates to form an extending part facing the insulating support, the buckle Kong Kaishe is arranged on the extending part, the insulating support is arranged on the end wall of the box cover facing the box cover, a mounting groove corresponding to the extending part is formed in the end wall of the insulating support, and the buckle is arranged on the groove wall of the mounting groove.
5. The battery module according to claim 4, wherein: the entrance of mounting groove is equipped with uncovered, extension is suitable for follow uncovered department stretches into in the mounting groove in order will the buckle hole with buckle counterpoint joint.
6. The battery module according to claim 1, wherein: the insulation support and the side plates are assembled and positioned through guide structures, and the guide structures extend along the height direction of the side plates.
7. The battery module according to claim 6, wherein: the guide structure comprises a guide block and a guide groove, wherein the guide groove is formed in one of the side plate and the insulating support, the guide block is formed in the other of the side plate and the insulating support, and the guide block is suitable for sliding into the guide groove along the height direction of the side plate so as to position and assemble the insulating support with the side plate.
8. The battery module according to claim 7, wherein: the guide block is arranged on the end wall of the insulating bracket, which faces the side plate, and extends along the height direction of the side plate, and the guide groove is arranged on the end wall of the side plate, which faces the box cover, and extends along the height direction of the side plate.
9. The battery module according to claim 7 or 8, wherein: the guide block comprises a wide guide part and a narrow guide part which are distributed along the height direction of the side plate, the guide groove comprises a wide groove part corresponding to and matched with the wide guide part and a narrow groove part corresponding to and matched with the narrow guide part, and the narrow guide part is suitable for sliding into the guide groove from the wide groove part and positioning and assembling with the narrow groove part.
10. The battery module according to claim 1, wherein: the insulating support is configured as a busbar support.
11. A battery pack, characterized in that: a battery module comprising the battery module according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323589057.3U CN221596644U (en) | 2023-12-26 | 2023-12-26 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323589057.3U CN221596644U (en) | 2023-12-26 | 2023-12-26 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221596644U true CN221596644U (en) | 2024-08-23 |
Family
ID=92398006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323589057.3U Active CN221596644U (en) | 2023-12-26 | 2023-12-26 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221596644U (en) |
-
2023
- 2023-12-26 CN CN202323589057.3U patent/CN221596644U/en active Active
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| GR01 | Patent grant |