CN220138649U - CCS assembly and battery module - Google Patents
CCS assembly and battery module Download PDFInfo
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- CN220138649U CN220138649U CN202320889677.XU CN202320889677U CN220138649U CN 220138649 U CN220138649 U CN 220138649U CN 202320889677 U CN202320889677 U CN 202320889677U CN 220138649 U CN220138649 U CN 220138649U
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- assembly
- ccs
- edge portion
- bus bar
- plastic
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- 239000004033 plastic Substances 0.000 claims abstract description 94
- 230000005489 elastic deformation Effects 0.000 claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a CCS assembly and a battery module, wherein the CCS assembly comprises: a busbar; the plastic support comprises a plastic plate, a buckle assembly and an elastic piece assembly are fixed on the plastic plate, the buckle assembly is used for limiting the busbar, so that the busbar is limited between the buckle assembly and the elastic piece assembly, an elastic piece in the elastic piece assembly comprises a protruding portion, the protruding direction of the protruding portion is opposite to the elastic deformation direction of the elastic piece, and when the buckle assembly is used for limiting the busbar, the protruding portion is abutted to the surface of the busbar, which faces the plastic plate. According to the utility model, the bus bar is limited through the buckle component and is abutted against the surface of the bus bar facing the plastic plate through the protruding part of the elastic piece, so that interference fit can be formed between the bus bar and the plastic plate, the elastic piece is pressed to elastically deform by fixing the bus bar on the battery core, and the plastic bracket can be tightly attached to the surface of the battery core under the action of the elastic piece, so that the fixation of the plastic bracket is realized, and the fixation cost of the CCS component is reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a CCS assembly and a battery module.
Background
Along with the development of economy and the progress of science and technology, the power battery is widely applied to industries such as electric automobiles. In order to ensure that the power battery can work in a specified voltage range and temperature range, voltage signals and temperature signals need to be acquired from the battery cells in the battery module through a CCS assembly (acquisition integrated part).
In the case of fixing CCS, the plastic bracket of CCS is usually fixed on the surface of the battery cell by a back adhesive, but the cost of fixing CCS by the back adhesive is often high.
Therefore, how to reduce the fixed cost of CCS components is a technical problem that needs to be solved by CCS components currently.
Disclosure of Invention
The embodiment of the utility model provides a CCS assembly and a battery module, which are used for reducing the fixed cost of the CCS assembly.
Embodiments of the present utility model provide a CCS assembly comprising:
a busbar;
the plastic support comprises a plastic plate used for installing the busbar, a buckle assembly and an elastic sheet assembly are fixed on the plastic plate, the buckle assembly is used for limiting the busbar, the busbar is limited between the buckle assembly and the elastic sheet assembly, an elastic sheet in the elastic sheet assembly comprises a protruding portion, the protruding direction of the protruding portion is opposite to the elastic deformation direction of the elastic sheet, and when the buckle assembly limits the busbar, the protruding portion faces the surface of the plastic plate in a butt mode.
In an embodiment, the buckle assembly includes a positioning piece and a limiting buckle, the plastic plate includes a first edge portion and a second edge portion which are oppositely arranged, the positioning piece is disposed on the first edge portion, and the limiting buckle is disposed on the second edge portion.
In an embodiment, the elastic sheet assembly includes a plurality of elastic sheets, and the plurality of elastic sheets are distributed on the plastic plate.
In an embodiment, the plastic plate includes a third edge portion and a fourth edge portion that are disposed opposite to each other, at least one of the elastic pieces is disposed on the third edge portion, and at least one of the elastic pieces is disposed on the fourth edge portion.
In an embodiment, among the plurality of elastic sheets, at least two elastic sheets have their length directions perpendicular to each other.
In an embodiment, an elastic deformation limiting part is further fixedly arranged on the plastic plate, and when the busbar is installed on the plastic plate, the busbar is located between the plane where the buckle assembly is located and the plane where the elastic deformation limiting part is located.
In an embodiment, the plastic plate includes a fifth edge portion and a sixth edge portion that are disposed opposite to each other, the fifth edge portion is provided with at least one first stopper, the sixth edge portion is provided with at least one second stopper, and when the plastic plate is mounted with the busbar, the busbar is located between the first stopper and the second stopper.
In an embodiment, at least one of the buckle assembly, the elastic piece assembly, the elastic deformation limiting piece, the first limiting block and the second limiting block is integrally formed with the plastic plate.
In one embodiment, the CCS assembly further comprises:
the nickel sheet is welded and fixed on the busbar;
and FFC welded and fixed on the nickel sheet.
In one embodiment, the CCS assembly further comprises:
the thermistor packaging piece comprises a first connecting part and a second connecting part, wherein the first connecting part is fixedly welded with the busbar, and the second connecting part is fixedly welded with the FFC.
In one embodiment, the CCS assembly further comprises:
and the sampling circuit board is connected with the FFC in a welding way and is fixed on the plastic bracket through a hot riveting column.
The embodiment of the utility model provides a battery module, which comprises a battery cell and any one of the CCS components, wherein the CCS component comprises a plastic bracket, a bus bar and an elastic sheet, the surface of the plastic bracket, which is far away from the bus bar, is abutted against the surface of the battery cell, and the bus bar in the CCS component is fixedly connected with the battery cell so as to enable the elastic sheet to elastically deform.
The utility model provides a CCS component and a battery module, wherein the CCS component comprises: a busbar; the plastic support comprises a plastic plate for installing the busbar, a buckle assembly and an elastic piece assembly are fixed on the plastic plate, the buckle assembly is used for limiting the busbar, the busbar is limited between the buckle assembly and the elastic piece assembly, the elastic piece in the elastic piece assembly comprises a protruding portion, the protruding direction of the protruding portion is opposite to the elastic deformation direction of the elastic piece, and when the buckle assembly is used for limiting the busbar, the protruding portion is abutted with the surface of the busbar towards the plastic plate. According to the utility model, the bus bar is limited through the buckle component and is abutted against the surface of the bus bar facing the plastic plate through the protruding part of the elastic piece, so that interference fit can be formed between the bus bar and the plastic plate, the elastic piece is pressed to elastically deform by fixing the bus bar on the battery core, and the plastic bracket can be tightly attached to the surface of the battery core under the action of the elastic piece, so that the fixation of the plastic bracket is realized, and the fixation cost of the CCS component is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of a part of a plastic bracket according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a plastic bracket according to an embodiment of the present utility model;
FIG. 3 is a front view of a plastic bracket according to an embodiment of the present utility model with a bus bar mounted thereon;
FIG. 4 is a rear view of a plastic bracket according to an embodiment of the present utility model with a bus bar mounted thereon;
FIG. 5 is an exploded view of a CCS assembly provided by an embodiment of the present utility model;
FIG. 6 is a front view of a CCS assembly provided by an embodiment of the present utility model.
Reference numerals illustrate:
10. a plastic bracket; 20. a busbar; 110. a plastic plate; 120. a clasp assembly; 130. a spring plate; 131. a boss; 121. a positioning piece; 122. a limit button; 140. an elastic deformation limiting piece; 150. a first limiting block; 160. a second limiting block; 30. nickel flakes; 40. FFC; 50. a sampling circuit board; 60. hot riveting columns; 70. a thermistor package; 71. a first connection portion; 72. and a second connecting part.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
In order to reduce the fixing cost of the CCS component, the embodiment of the utility model provides the CCS component and the battery module, wherein the bus bar is limited through the buckle component and is abutted against the surface of the bus bar facing the plastic plate through the protruding part of the elastic sheet, so that interference fit can be formed between the bus bar and the plastic plate, the bus bar is fixed on the battery core to press the elastic sheet to elastically deform, and the plastic support can be tightly attached to the surface of the battery core under the action of the elastic sheet, so that the fixing cost of the CCS component is reduced. The specific scheme is described in detail below.
Referring to fig. 1 to 4, a CCS assembly according to an embodiment of the present utility model includes a plastic rack 10 and a bus 20 (bus bar). In fig. 1, the plastic bracket 10 includes a plastic plate 110 for mounting the bus bar 20, and a buckle assembly 120 and a spring assembly are fixed on the plastic plate 110. The buckle assembly 120 is used for limiting the busbar 20, so as to limit the busbar 20 between the buckle assembly 120 and the spring assembly.
Referring to fig. 1 and 2, the spring assembly includes at least one spring 130, where the spring 130 is an elastic member and has a protrusion 131. As can be seen from fig. 2, the protruding direction of the protruding portion 131 is opposite to the elastic deformation direction of the elastic sheet 130, for example, in fig. 2, the protruding direction of the protruding portion 131 is perpendicular to the plane of the plastic sheet 110, and the elastic deformation direction of the elastic sheet 130 is perpendicular to the plane of the plastic sheet 110. When the buckle assembly 120 limits the busbar 20, the protruding portion 131 is abutted with the surface of the busbar 20, which faces the plastic plate 110, so that the elastic piece 130 is elastically deformed by pressing the protruding portion 131 down through the busbar 20, and the busbar 20 and the plastic plate 110 can relatively move within the elastic deformation capacity range of the elastic piece 130 to form interference fit. Referring to fig. 3 and 4, fig. 3 is a front view of the plastic bracket 10 with the busbar 20 installed, fig. 4 is a back view of the plastic bracket 10 with the busbar 20 installed, and as can be seen in conjunction with fig. 3 and 4, when the plastic bracket 10 with the busbar 20 installed, the busbar 20 is located between the buckle assembly 120 and the spring assembly, and an interference fit is achieved based on elastic deformation of the spring 130.
It can be understood that if the surface of the plastic support 10 away from the bus bar 20 is abutted against the surface of the battery cell, and the bus bar 20 is fixed on the battery cell to press the elastic sheet 130 to elastically deform, the elastic sheet 130 can apply a pressure towards the surface of the battery cell to the plastic support 10, so that the surface of the plastic support 10 away from the bus bar 20 is tightly attached to the surface of the battery cell, and the fixation of the plastic support 10 is realized, thereby fixing the CCS component on the surface of the battery cell.
In some embodiments of the present utility model, referring to fig. 1 and 2, the buckle assembly 120 includes a positioning member 121 and a limit button 122, the plastic plate 110 includes a first edge portion and a second edge portion disposed opposite to each other, the positioning member 121 is disposed on the first edge portion, and the limit button 122 is disposed on the second edge portion, that is, the positioning member 121 and the limit button 122 are disposed at opposite ends of the plastic plate 110. Thus, when installing the bus bar 20, one end of the bus bar 20 is placed under the positioning piece 121 to position the bus bar 20, and then the other end of the bus bar 20 is pressed down under the limit button 122, so that the limit button 122 can buckle the bus bar 20, and limit on the bus bar 20 is realized. As shown in fig. 3, the front view of the plastic bracket 10 with the bus bar 20 installed is that the bus bar 20 is located between the plastic bracket 10 and the buckle assembly 120 as shown in fig. 3, so that the buckle assembly 120 can limit the bus bar 20.
In some embodiments of the present utility model, the spring assembly includes a plurality of springs 130, and the plurality of springs 130 are disposed on the plastic plate 110. For example, the plurality of elastic pieces 130 may be disposed on the plastic plate 110 in an axisymmetric manner, as shown in fig. 1, the plurality of elastic pieces 130 are disposed in a left-right axisymmetric manner. Thus, the pressure applied by the bus bar 20 to the plurality of elastic pieces 130 can be more uniform, the pressure applied by the plurality of elastic pieces 130 to the plastic support 10 can be more uniform, and the surface of the plastic support 10 away from the bus bar 20 can be better attached to the surface of the battery cell. The width of the spring plates 130 is generally 3 mm to 5 mm, and parameters such as the number, length, thickness, distribution position, etc. of the spring plates 130 may be set based on the space of the specific product, which is not limited herein.
In some embodiments of the present utility model, the plastic board 110 includes a third edge portion and a fourth edge portion disposed opposite to each other, at least one elastic sheet 130 is disposed on the third edge portion, and at least one elastic sheet 130 is disposed on the fourth edge portion, i.e. at least two elastic sheets 130 are disposed opposite to each other. For example, in fig. 1, two elastic sheets 130 located at the lower half of the plastic plate 110 are disposed opposite to each other, so that the pressure applied by the bus bar 20 to the elastic sheets 130 can be more uniform.
In some embodiments of the present utility model, in the plurality of elastic sheets 130, the length directions of at least two elastic sheets 130 are perpendicular to each other, for example, in fig. 1, the length direction of the elastic sheet 130 located at the upper half of the plastic plate 110 is the vertical direction in fig. 1, and the length direction of the elastic sheet 130 located at the lower half of the plastic plate 110 is the horizontal direction in fig. 1, that is, the length directions of the elastic sheet 130 located at the upper half of the plastic plate 110 and the elastic sheet 130 located at the lower half of the plastic plate 110 are perpendicular to each other, so that the pressure applied by the busbar 20 to the plurality of elastic sheets 130 can be more uniform and stable.
In some embodiments of the present utility model, as shown in fig. 1, an elastic deformation limiter 140 is further fixedly disposed on the plastic plate 110, and the elastic deformation limiter 140 is used for limiting the bus bar 20, so as to prevent the bus bar 20 from excessively pressing the elastic sheet 130 to excessively deform the elastic sheet 130. As can be seen from fig. 2 and 4, when the bus bar 20 is mounted on the plastic plate 110, the bus bar 20 is located between the plane of the buckle assembly 120 and the plane of the elastic deformation limiter 140, so that the elastic deformation limiter 140 limits the bus bar 20.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the plastic plate 110 includes a fifth edge portion and a sixth edge portion disposed opposite to each other, where the fifth edge portion is provided with at least one first stopper 150, and the sixth edge portion is provided with at least one second stopper 160. The first stopper 150 protrudes from the fifth edge portion, and the second stopper 160 protrudes from the sixth edge portion. Thus, as shown in fig. 3 and 4, when the bus bar 20 is mounted on the plastic board 110, the bus bar 20 is located between the first limiting block 150 and the second limiting block 160, and the first limiting block 150 and the second limiting block 160 can prevent the bus bar 20 from moving left and right to a large extent in the plane of fig. 3 and 4, so as to limit the bus bar 20 left and right. The size and number of the first stopper 150 and the second stopper 160 are not limited herein.
In some embodiments of the present utility model, at least one of the buckle assembly 120, the spring assembly, the elastic deformation limiter 140, the first limiting block 150, and the second limiting block 160 is integrally formed with the plastic plate, so as to improve the structural stability of the CCS assembly.
In some embodiments of the present utility model, as shown in fig. 5 and 6, the CCS assembly further includes a nickel plate 30 and an FFC40 (Flexible Flat Cable ), the nickel plate 30 being welded to the bus bar 20, the FFC40 being welded to the nickel plate 30 to facilitate acquisition of the cell voltage signal.
In some embodiments of the present utility model, the CCS assembly further includes a thermistor package 70, as shown in fig. 5 and 6. The thermistor package 70 includes a first connection portion 71 and a second connection portion 72, where the first connection portion 71 is welded to the busbar 20, and the second connection portion 72 is welded to the FFC40, so as to facilitate the acquisition of the temperature signal of the battery cell.
In some embodiments of the present utility model, the CCS assembly also includes a sampling circuit board 50, as shown in fig. 5 and 6. The sampling circuit board 50 is welded with the FFC40 and is fixed on the plastic bracket 10 through the hot rivet 60 so as to facilitate the transmission of the cell voltage signal and the cell temperature signal.
It can be seen that in the above embodiment of the present utility model, the connection of the plurality of components in the CCS assembly is achieved by welding, instead of using the wire harness connection, so that the occupied space of the CCS assembly is reduced, and the product space utilization of the CCS assembly is improved. The welding mode can be laser spot welding, soldering welding and the like.
In some embodiments of the utility model, there is also provided a battery module comprising a battery cell and a CCS assembly as described in any of the embodiments above. The CCS assembly includes a plastic support 10, a bus bar 20 and a spring plate 130, the surface of the plastic support 10 away from the bus bar 20 is abutted against the surface of the battery cell, and the bus bar 20 in the CCS assembly is fixedly connected with the battery cell (for example, the bus bar 20 is welded with a pole of the battery cell, so as to realize the fixation of the bus bar 20), so that the spring plate 130 is elastically deformed. When the elastic sheet 130 is elastically deformed, the elastic sheet 130 applies pressure to the plastic support 10, so that the surface of the plastic support 10 far away from the busbar 20 is tightly attached to the surface of the battery cell, and the fixation of the plastic support 10 is realized, so that the CCS component is fixed on the surface of the battery cell.
The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model in order that the detailed description of the principles and embodiments of the utility model may be implemented in conjunction with the detailed description of embodiments that follows, the above examples being provided to facilitate the understanding of the principles and concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.
Claims (12)
1. A CCS assembly, the CCS assembly comprising:
a busbar;
the plastic support comprises a plastic plate used for installing the busbar, a buckle assembly and an elastic sheet assembly are fixed on the plastic plate, the buckle assembly is used for limiting the busbar, the busbar is limited between the buckle assembly and the elastic sheet assembly, an elastic sheet in the elastic sheet assembly comprises a protruding portion, the protruding direction of the protruding portion is opposite to the elastic deformation direction of the elastic sheet, and when the buckle assembly limits the busbar, the protruding portion faces the surface of the plastic plate in a butt mode.
2. The CCS assembly as claimed in claim 1, wherein said snap assembly includes a retainer and a retainer, said plastic panel includes a first edge portion and a second edge portion disposed opposite each other, said retainer is disposed on said first edge portion, and said retainer is disposed on said second edge portion.
3. The CCS assembly as recited in claim 1 wherein said spring assembly includes a plurality of said springs, said plurality of springs being disposed separately on said plastic plate.
4. The CCS assembly as claimed in claim 3, wherein said plastic panel includes a third edge portion and a fourth edge portion disposed opposite each other, at least one of said spring plates being disposed on said third edge portion, at least one of said spring plates being disposed on said fourth edge portion.
5. The CCS assembly as claimed in claim 3, wherein at least two of said plurality of said flexible sheets are perpendicular to each other in length.
6. The CCS assembly as recited in claim 1 wherein said plastic plate is further fixedly provided with an elastically deformable retainer, said bus bar being located between a plane of said snap assembly and a plane of said elastically deformable retainer when said bus bar is mounted to said plastic plate.
7. The CCS assembly as recited in claim 1 wherein said plastic panel includes a fifth edge portion and a sixth edge portion disposed opposite each other, said fifth edge portion being provided with at least one first stopper projecting from said fifth edge portion, said sixth edge portion being provided with at least one second stopper projecting from said sixth edge portion, said bus bar being between said first stopper and said second stopper when said plastic panel is mounted with said bus bar.
8. The CCS assembly of any one of claims 1-7, wherein at least one of the snap assembly and the dome assembly is integrally formed with the plastic plate.
9. The CCS assembly of claim 1, wherein the CCS assembly further comprises:
the nickel sheet is welded and fixed on the busbar;
and FFC welded and fixed on the nickel sheet.
10. The CCS assembly of claim 9, wherein the CCS assembly further comprises:
the thermistor packaging piece comprises a first connecting part and a second connecting part, wherein the first connecting part is fixedly welded with the busbar, and the second connecting part is fixedly welded with the FFC.
11. The CCS assembly of claim 9, wherein the CCS assembly further comprises:
and the sampling circuit board is connected with the FFC in a welding way and is fixed on the plastic bracket through a hot riveting column.
12. A battery module, characterized in that the battery module comprises a battery core and the CCS assembly of any one of claims 1 to 11, the CCS assembly comprises a plastic support, a bus bar and an elastic sheet, the surface of the plastic support away from the bus bar is abutted to the surface of the battery core, and the bus bar in the CCS assembly is fixedly connected with the battery core, so that the elastic sheet is elastically deformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320889677.XU CN220138649U (en) | 2023-04-19 | 2023-04-19 | CCS assembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320889677.XU CN220138649U (en) | 2023-04-19 | 2023-04-19 | CCS assembly and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138649U true CN220138649U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320889677.XU Active CN220138649U (en) | 2023-04-19 | 2023-04-19 | CCS assembly and battery module |
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| Country | Link |
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| CN (1) | CN220138649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525756A (en) * | 2024-01-04 | 2024-02-06 | 上海聚信海聚新能源科技有限公司 | Busbar welding support and battery pack with same |
-
2023
- 2023-04-19 CN CN202320889677.XU patent/CN220138649U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525756A (en) * | 2024-01-04 | 2024-02-06 | 上海聚信海聚新能源科技有限公司 | Busbar welding support and battery pack with same |
| CN117525756B (en) * | 2024-01-04 | 2024-04-30 | 上海聚信海聚新能源科技有限公司 | Busbar welding support and battery pack with same |
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