CN213989106U - Battery case and battery module - Google Patents
Battery case and battery module Download PDFInfo
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- CN213989106U CN213989106U CN202120175630.8U CN202120175630U CN213989106U CN 213989106 U CN213989106 U CN 213989106U CN 202120175630 U CN202120175630 U CN 202120175630U CN 213989106 U CN213989106 U CN 213989106U
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- connecting plate
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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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Abstract
The embodiment of the utility model provides a battery case and battery module relates to battery technical field. The battery shell comprises a plurality of first connecting plates and a plurality of second connecting plates, the first connecting plates are alternately connected with the second connecting plates, limiting grooves are formed in the first connecting plates, the second connecting plates comprise connecting portions, and the connecting portions are installed in the limiting grooves. A plurality of first connecting plates and a plurality of second connecting plates are connected in turn, the connecting portion of the second connecting portion are installed in the limiting groove on the first connecting plate, the limiting groove can play a limiting role on the connecting portion, the limiting groove can play a limiting role on the end portion of the connecting portion in the process that the first connecting plate and the second connecting plate are connected, and therefore positioning accuracy between the first connecting plate and the second connecting plate is improved, and accuracy of a battery shell is improved. And the limiting groove can be directly formed in a die-casting mode, so that the manufacturing process is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to a battery technology field particularly, relates to a battery case and battery module.
Background
The general cladding of battery case is used for protecting electric core around electric core, and battery case's end plate generally adopts the direct extrusion of section bar, and extrusion's end plate can't play spacing effect to the side, needs secondary operation could with the side cooperation, leads to whole battery case's manufacturing cost higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery case and battery module, its mode direct forming spacing groove that can pass through die-casting has reduced manufacturing process to manufacturing cost has been reduced.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the utility model provides a battery case, battery case includes a plurality of first connecting plates and a plurality of second connecting plate, and is a plurality of first connecting plate is with a plurality of the second connecting plate is connected in turn, the spacing groove has on the first connecting plate, the second connecting plate includes connecting portion, connecting portion install the spacing inslot.
In an alternative embodiment of the present invention, the first connecting plate includes a first body, a fixing portion and a limiting portion, the first body is connected to the fixing portion, the limiting portion is installed on the fixing portion, and the first body, the fixing portion and the limiting portion form the limiting groove.
In the optional embodiment of the present invention, the number of the limiting portions is two, and the two limiting portions are respectively disposed at two ends of the fixing portion.
In an alternative embodiment of the present invention, the limiting portion and the fixing portion are perpendicular to each other.
In an alternative embodiment of the present invention, the thickness of the fixing portion is smaller than the thickness of the first body.
In an alternative embodiment of the present invention, the second connecting plate further includes a second body, and the second body is connected to the connecting portion.
In an alternative embodiment of the present invention, the second body is perpendicular to the connecting portion.
In an alternative embodiment of the present invention, the first connecting plate has a length less than a length of the second connecting plate.
In an alternative embodiment of the present invention, the connecting portion is welded to the limiting groove.
In a second aspect, the embodiment of the utility model provides a battery module, battery module includes that electric core and first aspect provide battery case, it is a plurality of first connecting plate is with a plurality of second connecting plate connects in turn and forms the installation cavity, electric core sets up in the installation cavity.
The embodiment of the utility model provides a beneficial effect is: the battery shell comprises a plurality of first connecting plates and a plurality of second connecting plates, the first connecting plates are alternately connected with the second connecting plates, limiting grooves are formed in the first connecting plates, the second connecting plates comprise connecting portions, and the connecting portions are installed in the limiting grooves.
The embodiment of the utility model provides an in, a plurality of first connecting plates and a plurality of second connecting plate are connected in turn in proper order, and the spacing inslot on first connecting plate is installed to the connecting portion of second connecting portion, and the spacing groove can play spacing effect to connecting portion, and the spacing groove can play limiting displacement to the tip of connecting portion and improve the positioning accuracy between first connecting plate and the second connecting plate at the in-process that first connecting plate is connected with the second connecting plate to improve battery case's precision. And the limiting groove can be directly formed in a die-casting mode, so that the manufacturing process is reduced, and the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a battery module according to a second embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first connecting plate of a battery case according to a first embodiment of the present invention.
10-battery module; 100-a battery housing; 110-a first connection board; 112-a limiting groove; 114-a first body; 116-a fixation section; 118-a stop portion; 120-a second connecting plate; 122-a connecting portion; 124-a second body; 130-a mounting cavity; and (5) 200-cell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First embodiment
Referring to fig. 1 and fig. 2, the present embodiment provides a battery case 100, and the battery case 100 provided in the present embodiment can directly form the limiting groove 112 by die-casting, so that the manufacturing process is reduced, and the manufacturing cost is reduced.
In this embodiment, the battery case 100 includes a plurality of first connection plates 110 and a plurality of second connection plates 120, the plurality of first connection plates 110 are alternately connected with the plurality of second connection plates 120, the first connection plates 110 have a limiting groove 112, the second connection plates 120 include a connection portion 122, and the connection portion 122 is installed in the limiting groove 112.
In this embodiment, the plurality of first connecting plates 110 and the plurality of second connecting plates 120 are sequentially and alternately connected, the connecting portion 122 of the second connecting portion 122 is installed in the limiting groove 112 on the first connecting plate 110, the limiting groove 112 can limit the connecting portion 122, and the limiting groove 112 can limit the end portion of the connecting portion 122 during the connection between the first connecting plate 110 and the second connecting plate 120, so as to improve the positioning accuracy between the first connecting plate 110 and the second connecting plate 120, and further improve the accuracy of the battery case 100. The limiting groove 112 can be directly formed in a die-casting mode, manufacturing processes are reduced, and therefore manufacturing cost is reduced.
It is easy to understand that the plurality of first connecting plates 110 and the plurality of second connecting plates 120 are alternately connected end to end in sequence, that is, one first connecting plate 110 is connected with two second connecting plates 120, and one first connecting plate 110 is provided with at least two limiting grooves 112 and is simultaneously connected with the connecting parts 122 of the two second connecting plates 120.
In this embodiment, the first connecting plate 110 includes a first body 114, a fixing portion 116 and a limiting portion 118, the first body 114 is connected to the fixing portion 116, the limiting portion 118 is mounted on the fixing portion 116, and the first body 114, the fixing portion 116 and the limiting portion 118 form the limiting groove 112.
In the present embodiment, the fixing portion 116 is long, for convenience of description, the long side direction of the fixing portion 116 is taken as a side, the wide side direction is taken as an end, the first body 114 is connected with one side of the fixing portion 116, and the limiting portion 118 is disposed at the end of the fixing portion 116.
In the present embodiment, there are two limiting portions 118, and the two limiting portions 118 are respectively disposed at two ends of the fixing portion 116.
In this embodiment, the two limiting portions 118 are respectively disposed at two ends of the fixing portion 116, the two limiting portions 118, the first body 114 and the fixing portion 116 form the limiting groove 112, the connecting portion 122 extends into the limiting groove 112 from a side of the fixing portion 116 away from the first body 114, the two limiting portions 118 respectively limit the connecting portion 122 from two ends of the connecting portion 122, and the first body 114 limits the connecting portion 122 from one side of the connecting portion 122, so that the connecting portion 122 can be fixed in the limiting groove 112.
In the embodiment, the limiting portion 118 and the fixing portion 116 are perpendicular to each other. Mutually perpendicular can increase the space in the fixed slot between spacing portion 118 and the fixed part 116, and inside connecting portion 122 is stretching into the in-process in the fixed slot, can enter into the fixed slot fast for the installation effectiveness between first connecting plate 110 and the second connecting plate 120.
It is easy to understand that, in this embodiment, the limiting portion 118 and the fixing portion 116 are perpendicular to each other, but not limited thereto, in other embodiments of the present invention, the limiting portion 118 and the fixing portion 116 may be at other angles, and the same scheme as this embodiment can achieve the effect of this embodiment, all being within the protection scope of the present invention.
In the present embodiment, the thickness of the fixing portion 116 is smaller than that of the first body 114. The first body 114 has a stop surface on a side thereof close to the first fixing portion 116, and the stop surface limits the connecting portion 122 from a side of the connecting portion 122, so as to prevent the connecting portion 122 from protruding from the side close to the first body 114 during installation.
In this embodiment, the second connecting plate 120 further includes a second body 124, and the second body 124 is connected to the connecting portion 122. Similarly, the plurality of first connecting plates 110 and the plurality of second connecting plates 120 are alternately connected end to end, and one second connecting plate 120 is simultaneously connected to two first connecting plates 110, that is, the second connecting plate 120 includes two connecting portions 122, and the two connecting portions 122 are respectively disposed at both ends of the second body 124 and are respectively connected to two first connecting plates 110.
In the present embodiment, the second body 124 and the connecting portion 122 are perpendicular to each other. Both connecting portions 122 are perpendicular to the second body 124.
It should be noted that, in this embodiment, the second body 124 and the connecting portion 122 are perpendicular to each other, but not limited thereto, in other embodiments of the present invention, the second body 124 and the connecting portion 122 may be other included angles, and the solution equivalent to this embodiment can achieve the effect of this embodiment, all within the protection scope of the present invention.
In the present embodiment, the length of the first connection plate 110 is smaller than the length of the second connection plate 120.
In this embodiment, the number of the first connection plates 110 is two, the number of the second connection plates 120 is two, and the two first connection plates 110 and the two second connection plates 120 are alternately connected end to end in sequence to form a rectangle and have the mounting cavity 130.
The mounting cavity 130 is used for mounting the battery cells 200, and since most of the battery cells 200 are rectangular, the mounting cavity 130 surrounded by the first connecting plate 110 and the second connecting plate 120 is also rectangular.
In the present embodiment, the connecting portion 122 is welded to the limiting groove 112. After the connecting portion 122 is mounted in the limiting groove 112, the periphery of the connecting portion 122 is limited by the limiting groove 112, and then the connecting portion 122 and the limiting groove 112 are welded, so that the connection precision between the first connecting plate 110 and the second connecting plate 120 can be improved.
In summary, in the battery case 100 provided in this embodiment, the plurality of first connecting plates 110 and the plurality of second connecting plates 120 are sequentially and alternately connected, the connecting portion 122 of the second connecting portion 122 is installed in the limiting groove 112 on the first connecting plate 110, the limiting groove 112 can limit the connecting portion 122, and the limiting groove 112 can limit the end of the connecting portion 122 during the connection between the first connecting plate 110 and the second connecting plate 120, so as to improve the positioning accuracy between the first connecting plate 110 and the second connecting plate 120, thereby improving the accuracy of the battery case 100. The limiting groove 112 can be directly formed in a die-casting mode, manufacturing processes are reduced, and therefore manufacturing cost is reduced.
Second embodiment
Referring to fig. 1 and fig. 2, the present embodiment provides a battery module 10, and the battery module 10 provided by the present embodiment can directly form the limiting groove 112 by die-casting, so as to reduce the manufacturing process and the manufacturing cost.
For the sake of brief description, where this embodiment is not mentioned, reference may be made to the first embodiment.
In this embodiment, the battery module 10 includes a battery cell 200 and the battery case 100 provided in the first embodiment, the plurality of first connecting plates 110 and the plurality of second connecting plates 120 are alternately connected to form the mounting cavity 130, and the battery cell 200 is disposed in the mounting cavity 130.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The battery shell is characterized by comprising a plurality of first connecting plates and a plurality of second connecting plates, wherein the first connecting plates and the second connecting plates are alternately connected, a limiting groove is formed in each first connecting plate, each second connecting plate comprises a connecting part, and each connecting part is installed in the corresponding limiting groove.
2. The battery case according to claim 1, wherein the first connecting plate comprises a first body, a fixing portion and a limiting portion, the first body is connected with the fixing portion, the limiting portion is mounted on the fixing portion, and the first body, the fixing portion and the limiting portion form the limiting groove.
3. The battery casing according to claim 2, wherein the two limiting portions are provided at both ends of the fixing portion, respectively.
4. The battery case according to claim 2, wherein the stopper portion and the fixing portion are perpendicular to each other.
5. The battery case according to claim 2, wherein the fixing portion has a thickness smaller than that of the first body.
6. The battery case of claim 1, wherein the second connecting plate further comprises a second body connected with the connecting portion.
7. The battery case of claim 6, wherein the second body and the connecting portion are perpendicular to each other.
8. The battery case of claim 1, wherein the first connecting plate has a length that is less than a length of the second connecting plate.
9. The battery case according to claim 1, wherein the connection part is welded to the stopper groove.
10. A battery module, comprising a battery cell and the battery housing of any one of claims 1 to 9, wherein the plurality of first connecting plates and the plurality of second connecting plates are alternately connected to form a mounting cavity, and the battery cell is disposed in the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175630.8U CN213989106U (en) | 2021-01-21 | 2021-01-21 | Battery case and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175630.8U CN213989106U (en) | 2021-01-21 | 2021-01-21 | Battery case and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989106U true CN213989106U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120175630.8U Active CN213989106U (en) | 2021-01-21 | 2021-01-21 | Battery case and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989106U (en) |
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2021
- 2021-01-21 CN CN202120175630.8U patent/CN213989106U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221206 Address after: No. 99, Songhai Road, Huimin Street, Jiashan County, Jiaxing City, Zhejiang Province 314112 Patentee after: Lanjun New Energy Technology Co.,Ltd. Address before: 201400 Room 202, building 1, 9855 Puwei Road, Fengxian District, Shanghai Patentee before: Shanghai Lanjun New Energy Technology Co.,Ltd. |