CN220830036U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
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- CN220830036U CN220830036U CN202322476016.7U CN202322476016U CN220830036U CN 220830036 U CN220830036 U CN 220830036U CN 202322476016 U CN202322476016 U CN 202322476016U CN 220830036 U CN220830036 U CN 220830036U
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- 210000001503 joint Anatomy 0.000 claims abstract description 34
- 238000005452 bending Methods 0.000 claims description 12
- 238000003032 molecular docking Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
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Abstract
The application provides a battery module and a battery pack, wherein the battery module comprises a plurality of module units which are sequentially connected in series, any two adjacent module units are connected through a connecting plate, and the module units comprise: the shell comprises a pair of first side plates and a pair of second side plates, wherein the first side plates and the second side plates are arranged in parallel, and the first side plates and the second side plates jointly enclose a containing cavity; the battery cell is arranged in the accommodating cavity; wherein, be provided with the bellied butt joint portion of relative second curb plate on the first curb plate, arbitrary adjacent two module units are all connected with the connecting plate through respective butt joint portion to the connecting portion of the side surface of cover connecting plate is constituteed to the butt joint portion of arbitrary adjacent two module units. In the prior art, the module units are independently arranged and occupy larger space, and in the application, the arrangement of the butt joint part realizes the connection of adjacent module units and saves the space occupation of the module units.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery module and a battery pack.
Background
In the prior art, a plurality of small battery modules are independently placed in the process of forming a large battery module, and are not contacted with each other, so that the small battery modules occupy a large space, and the volume of a finally formed battery is large.
Disclosure of utility model
In view of the above, the application provides a battery module, which solves the problem of large space occupation of the battery module and reduces the space occupation of the battery module. In addition, the application also provides a battery pack with the battery module.
In order to achieve the above purpose, the present application provides the following technical solutions:
The utility model provides a battery module, includes a plurality of module units that establish ties in proper order, arbitrary adjacent two connect through the connecting plate between the module unit, the module unit includes:
The shell comprises a pair of first side plates and a pair of second side plates, wherein the first side plates and the second side plates are arranged in parallel, and the first side plates and the second side plates jointly enclose a containing cavity;
the battery cell is arranged in the accommodating cavity;
The first side plate is provided with a butt joint part protruding relative to the second side plate, any two adjacent module units are connected with the connecting plate through the butt joint parts, and the butt joint parts of the any two adjacent module units form a connecting part covering the side surface of the connecting plate.
Optionally, in the above battery module, the butt joint portion is rectangular, zigzag or L-shaped.
Optionally, in the above battery module, on an orthographic projection of a plane where the first side plate is located, the abutting portions of the two adjacent module units are not overlapped and are abutted against each other; or (b)
On the orthographic projection of the plane where the first side plate is located, the butt joint portions of any two adjacent module units are at least partially overlapped.
Optionally, in the above battery module, on an orthographic projection of a plane where the first side plate is located, the connecting plate and the connecting portion completely overlap.
Optionally, in the above battery module, on an orthographic projection of a plane where the second side plate is located, the connecting plate and the second side plate do not overlap each other.
Optionally, in the above battery module, the connecting plate is provided with a plurality of first holes, and fasteners penetrating through the plurality of first holes and the butt joint portion connect the butt joint portion and the connecting plate.
Optionally, in the above battery module, the battery module includes a bottom plate, a plurality of module units are located above the bottom plate, a plurality of second holes are provided on the connecting plate, and a plurality of fasteners respectively penetrate through the second holes and connect with the bottom plate.
Optionally, in the above battery module, the first side plate and the second side plate are perpendicular to each other, the second side plate has a bending plate that bends towards the first side plate direction, the bending plate laminating is in the first side plate is kept away from a side surface of holding the chamber.
Optionally, in the above battery module, the battery module includes an end plate, and the end plate is located at two ends of the plurality of connected module units and is disposed opposite to the connecting plate;
The first side plate is far away from one end of the connecting plate is connected with the end plate, and a plurality of through holes are formed in the end plate.
A battery pack comprising the battery module of any one of the above.
The application provides a battery module, which comprises a plurality of module units connected in series in sequence, wherein any two adjacent module units are connected through a connecting plate, the module units comprise a shell and a battery cell, the shell comprises a pair of first side plates arranged in parallel and a pair of second side plates arranged in parallel, the first side plates and the second side plates jointly enclose a containing cavity for containing the battery cell, more particularly, the first side plates are provided with butt joint parts protruding relative to the second side plates, any adjacent module units are connected with the connecting plate through respective butt joint parts, and the butt joint parts positioned on the adjacent module units form a connecting part for covering the side surface of the connecting plate. In the prior art, the module units are independently arranged and occupy larger space, and in the application, the arrangement of the butt joint part realizes the connection of adjacent module units and saves the space occupation of the module units.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a battery module according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a connection plate
FIG. 3 is a schematic view of the structure of the first side plate;
fig. 4 is a schematic structural view of the second side plate.
In fig. 1-4:
1. A first module unit; 2. a second module unit; 3. a first side plate; 4. a second side plate; 5. a first butt joint part; 6. a second butt joint part; 7. a connecting plate; 8. a first hole; 9. a fastener; 10. a second hole; 11. a bending plate; 12. end plates.
Detailed Description
The application provides a battery module, which solves the problem of large occupied space of the battery module and reduces the occupied space of the battery module. In addition, the application also provides a battery pack with the battery module.
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 4, an embodiment of the present application provides a battery module, including a plurality of module units connected in series in sequence, where any two adjacent module units are connected by a connection board 7, where the module units include a housing and a battery core, the housing includes a pair of first side plates 3 arranged in parallel and a pair of second side plates 4 arranged in parallel, and the first side plates 3 and the second side plates 4 jointly enclose a receiving cavity for receiving the battery core, more specifically, the first side plates 3 have a butt joint portion protruding with respect to the second side plates 4, any adjacent module units are connected with the connection board 7 by respective butt joint portions, and the butt joint portions located on the adjacent module units form a connection portion covering a side surface of the connection board 7. In the prior art, each module unit is independently arranged and occupies a larger space, in the application, the first side plate 3 is arranged in a protruding way relative to the second side plate 4 by prolonging the length of the first side plate 3, namely, a butt joint part is formed, the arrangement of the visible butt joint part is simple, the connection of the adjacent module units is realized through the butt joint parts positioned on the adjacent first side plates 3, the space occupation of the module units is saved, and the internal structure of the battery is more compact. It should be noted that, for ease of understanding, two adjacent module units are described as an example, the adjacent abutting portions on any adjacent module unit are referred to as a first abutting portion 5 and a second abutting portion 6, and two adjacent module units are referred to as a first module unit 1 and a second module unit 2, where the first abutting portion 5 is located in the first module unit 1, and the second abutting portion 6 is located in the second module unit 2.
Further, the butt joint part is rectangular, zigzag or L-shaped. The abutting portion is a protruding portion of the first side plate 3 relative to the second side plate 4, the protruding abutting portion may be protruding in the whole width direction of the first side plate 3, or may protrude in the partial width direction of the first side plate 3, and the shape of the first abutting portion 5 and the second abutting portion 6 which are adjacently arranged may be rectangular, zigzag or L-shaped, as shown in fig. 3 and 4, preferably, the shape of the first abutting portion 5 and the second abutting portion 6 which are adjacently arranged is rectangular, the rectangular is protruding in the partial width direction of the first side plate 3, in actual production, the first abutting portion 5 and the first side plate 3 provided with the first abutting portion 5 are in an integrally formed structure, and the first side plate 3 located on the second module unit 2 is obtained after the first side plate 3 located on the first module unit 1 is rotated 180 degrees, and the abutting portion and the first side plate 3 provided with the abutting portion may be cast by using a mold. The shape of the abutting portion may be corrugated, stepped, or the like.
In an alternative embodiment, as shown in fig. 1, on the orthographic projection of the plane where the first side plate 3 is located, the abutting portions of any two adjacent module units are not overlapped and abut against each other, that is, the first abutting portion 5 and the second abutting portion 6 located on one side surface of the same connecting plate 7 are not overlapped and abut against each other, that is, the shapes of the two abutting portions are matched with each other and located on the same plane, and the two abutting portions form a connecting portion covering the same side surface of the connecting plate 7, so that the connection strength of the first module unit 1 and the second module unit 2 is enhanced.
In other alternative embodiments, the abutting portions of any two adjacent module units at least partially overlap in an orthographic projection of the plane in which the first side plate 3 lies. That is, the first butt-joint part 5 and the second butt-joint part 6 located on one side surface of the same connection plate 7 have an overlapping region, and the shape of the overlapping portion may be the same as or different from the shape of the first butt-joint part 5 or the shape of the second butt-joint part 6, and the first butt-joint part 5 and the second butt-joint part 6 constitute a connection part having the overlapping region, enhancing the connection strength of any adjacent first module and second module.
In an alternative embodiment, on the orthographic projection of the plane of the first side plate 3, the connection plate 7 is completely overlapped with the connection part, that is, the connection part formed by the first abutting part 5 and the second abutting part 6 can be covered on the side surface of the connection plate 7 entirely, at this time, the first connection part and the second connection part may be in a state of not overlapping each other and abutting each other, and it is also possible that the first connection part and the second connection part are at least partially overlapped, the positional relationship of the first connection part and the second connection part satisfies any of the above possibilities, and the connection strength of the first connection part and the second connection part with the connection plate 7 can be enhanced.
In an alternative embodiment, the connection plate 7 and the second side plate 4 do not overlap each other in an orthographic projection of the plane in which the second side plate 4 lies. The connecting plate 7 is arranged between the first module unit 1 and the second module unit 2 which are arbitrarily adjacent, and the projection of the connecting plate 7 on the plane of the second side plate 4 is complementarily overlapped with the second side plate 4, so that the projection of the connecting plate 7 on the plane of the second side plate 4 is positioned between the projection of the first module unit 1 on the second side plate 4 and the projection of the second module unit 2 on the second side plate 4, and the arrangement is convenient for detachably connecting the arbitrary adjacent first butt joint part 5 and second butt joint part 6 with the connecting plate 7, and the flexible assembly of the battery module is convenient.
In an alternative embodiment, as shown in fig. 2, the connection plate 7 is provided with a plurality of first holes 8, and fasteners 9 passing through the plurality of first holes 8 and the butt joint connect the butt joint and the connection plate 7. In the application, the fastener 9 sequentially passes through the first holes 8 arranged on the butt joint part and the connecting plate 7 to connect the butt joint part and the connecting plate 7 together, and the fastener 9 can be, but is not limited to, bolts or pins, so that the first module unit 1 and the second module unit 2 are firmly connected with the connecting plate 7, and the occupied space of the module units is saved.
In other alternative embodiments, the connection plate 7 and the abutment may be welded or snap-fit, the specific connection being chosen according to the requirements.
In an alternative embodiment, as shown in fig. 2, the battery module includes a base plate, a plurality of module units are located above the base plate, a plurality of second holes 10 are provided in the connection plate 7, and a plurality of fasteners 9 are respectively penetrated through the second holes 10 and connected to the base plate. The bottom plate is used for supporting a plurality of module units connected in series. Specifically, the bottom plate is arranged below the plurality of series-connected module units and is used for supporting the plurality of series-connected module units. The bolts or the bolts vertically penetrate through the second holes 10 and the bottom plate to fixedly connect the bottom plate with the connecting plate 7, and the second holes 10 are arranged in a plurality, so that the connection between the bottom plate and the connecting plate 7 is enhanced.
In other alternative embodiments, the second hole 10 may not be provided in the connection plate 7, and the connection plate 7 is not directly connected to the base plate, but a buckle is provided in the plurality of module units and the base plate, and the plurality of module units are connected to the base plate through the buckle, and meanwhile, since the connection plate 7 is provided between the module units, the connection plate 7 is firmly provided on the base plate and is kept stationary with the base plate, thereby enhancing the firmness inside the battery module.
In an alternative embodiment, the first side plate 3 and the second side plate 4 are perpendicular to each other, the second side plate 4 has a bending plate 11 bent toward the first side plate 3, and the bending plate 11 is attached to a side surface of the first side plate 3 away from the accommodating cavity. As shown in fig. 1, the second side plate 4 is located on the upper and lower surfaces of the module unit and is perpendicular to the first side plate 3, the second side plate 4 has a bending plate 11 bending to the position of the first side plate 3, and the bending plate 11 is attached to the outer surface of the first side plate 3, and the length of the bending plate 11 is smaller than or equal to the length of the second side plate 4.
In other alternative embodiments, the second side plate 4 may be free of the bending plate 11, that is, the second side plate 4 is connected perpendicularly to the first side plate 3, and the edge of the second side plate 4 is connected in contact with the edge of the first side plate 3, so as to achieve connection of the first side plate 3 and the second side plate 4.
In an alternative embodiment, as shown in fig. 1, the battery module includes end plates 12, and the end plates 12 are located at both ends of a plurality of connected module units and are disposed opposite to the connection plates 7. The plurality of module units are connected in series, the module units positioned on two sides are provided with exposed side surfaces, the side surfaces are opposite to the connecting plates 7, the outer sides of the side surfaces are provided with end plates 12, the end plates 12 are of hollow structures, and the light-weight development of the battery module is benefited while the module units are protected.
More specifically, the end of the first side plate 3 far away from the connecting plate 7 is connected with an end plate 12, and a plurality of through holes are formed in the end plate 12. Taking the first module unit 1 and the second module unit 2 as an example after the serial connection of the plurality of module units connected in series, the first module unit 1 and the second module unit 2 are connected through the connecting plate 7, after the connection is completed, the first module unit 1 and the second module unit 2 have exposed side surfaces, the side surfaces are far away from the connecting plate 7, and the outside of the side surfaces is provided with the end plate 12 to strengthen the protection of the module units, meanwhile, a plurality of through holes are arranged in the end plate 12, one part of through holes allow bolts or bolts to pass through the connecting end plate 12 and the bottom plate, and the other part of through holes are weight-reducing holes, so that the weight of the battery module is also reduced while the module units are protected.
In addition, the embodiment of the application also provides a battery pack, which comprises the battery module. The battery pack has the beneficial effects brought by the battery module, please refer to the description of the battery module, and the description is omitted herein.
The basic principles of the present application have been described above in connection with specific embodiments, but it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be construed as necessarily possessed by the various embodiments of the application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.
The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It should be understood that the terms "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present application are used for more clearly describing the technical solutions, and are not intended to limit the scope of the present application.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (10)
1. The utility model provides a battery module, its characterized in that includes a plurality of module units that establish ties in proper order, arbitrary adjacent two connect through the connecting plate between the module unit, the module unit includes:
The shell comprises a pair of first side plates and a pair of second side plates, wherein the first side plates and the second side plates are arranged in parallel, and the first side plates and the second side plates jointly enclose a containing cavity;
the battery cell is arranged in the accommodating cavity;
The first side plate is provided with a butt joint part protruding relative to the second side plate, any two adjacent module units are connected with the connecting plate through the butt joint parts, and the butt joint parts of the any two adjacent module units form a connecting part covering the side surface of the connecting plate.
2. The battery module according to claim 1, wherein the docking portion is rectangular, zigzag or L-shaped.
3. The battery module according to claim 1, wherein the butt-joint portions of the any adjacent two module units do not overlap each other and abut each other on the orthographic projection of the plane in which the first side plate is located; or (b)
On the orthographic projection of the plane where the first side plate is located, the butt joint portions of any two adjacent module units are at least partially overlapped.
4. The battery module according to claim 1, wherein the connection plate completely overlaps the connection part on an orthographic projection of the plane in which the first side plate is located.
5. The battery module according to claim 1, wherein the connection plate and the second side plate do not overlap each other on an orthographic projection of a plane in which the second side plate is located.
6. The battery module according to claim 1, wherein a plurality of first holes are provided in the connection plate, and fasteners passing through the plurality of first holes and the docking portion connect the docking portion and the connection plate.
7. The battery module according to claim 1, wherein the battery module comprises a bottom plate, a plurality of the module units are located above the bottom plate, a plurality of second holes are formed in the connecting plate, and a plurality of fasteners penetrate through the second holes and connect the bottom plate, respectively.
8. The battery module of claim 1, wherein the first side plate and the second side plate are perpendicular to each other, the second side plate has a bending plate bent toward the first side plate, and the bending plate is attached to a surface of the first side plate away from the accommodating chamber.
9. The battery module according to claim 1, wherein the battery module includes end plates that are located at both ends of the plurality of connected module units and are disposed opposite to the connection plates;
The first side plate is far away from one end of the connecting plate is connected with the end plate, and a plurality of through holes are formed in the end plate.
10. A battery pack comprising the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322476016.7U CN220830036U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322476016.7U CN220830036U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830036U true CN220830036U (en) | 2024-04-23 |
Family
ID=90727884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322476016.7U Active CN220830036U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830036U (en) |
-
2023
- 2023-09-12 CN CN202322476016.7U patent/CN220830036U/en active Active
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