CN218602572U - Top cap subassembly, battery cell and battery package - Google Patents
Top cap subassembly, battery cell and battery package Download PDFInfo
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- CN218602572U CN218602572U CN202222379523.4U CN202222379523U CN218602572U CN 218602572 U CN218602572 U CN 218602572U CN 202222379523 U CN202222379523 U CN 202222379523U CN 218602572 U CN218602572 U CN 218602572U
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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 top cover assembly comprises lower plastic, a connecting piece and a pole, the lower plastic comprises a main body part and a limiting structure, the limiting structure is connected to one side of the main body part, the main body part is provided with a first through mounting hole, the connecting piece is arranged on one side of the main body part, which is provided with the limiting structure, the connecting piece is provided with a second mounting hole, the pole penetrates through the first mounting hole and the second mounting hole, the end part of the pole is abutted to the connecting piece, and the limiting structure is abutted to the limiting connecting piece, so that the first mounting hole and the second mounting hole are axially centered along the pole; the single battery and the battery pack both comprise a top cover component. In this application, when assembly utmost point post and connection piece, limit structure is spacing to the connection piece butt, and first mounting hole and second mounting hole centering make utmost point post insert accurately in first mounting hole and the second mounting hole, and the utmost point post of being convenient for is pressed with the connection piece and is riveted fixedly to can promote the riveting precision of utmost point post and connection piece.
Description
Technical Field
The application relates to the technical field of energy storage devices, in particular to a top cover assembly, a single battery and a battery pack.
Background
Power battery passes through utmost point post and is connected with the outside with electrical apparatus to realize electric core and with the electric conductance expert between the electrical apparatus, generally, the one end of utmost point post is fixed in the top cap through the riveting piece, and the other end welds in the connection piece, and the rethread connection piece is connected with the utmost point ear of electric core, among the correlation technique, it is fixed to press riveting utmost point post and connection piece, with the defect that overcomes utmost point post and connection piece welding seam position and easily drop, when nevertheless pressing the riveting, the difficult alignment connection piece of utmost point post leads to pressing the riveting difficulty or even inefficacy.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides a top cap subassembly, and the utmost point post of being convenient for is pressed with the connection piece and is riveted fixedly, promotes the riveting precision of utmost point post and connection piece.
A cap assembly according to an embodiment of the first aspect of the present application comprises:
the lower plastic comprises a main body part and a limiting structure, the limiting structure is connected to one side of the main body part, and the main body part is provided with a first mounting hole which penetrates through the main body part;
the connecting piece is arranged on one side, provided with the limiting structure, of the main body part, and is provided with a second mounting hole;
the pole column penetrates through the first mounting hole and the second mounting hole, and the end part of the pole column is abutted against the connecting sheet;
the limiting structure is abutted and limited to the connecting sheet, so that the first mounting hole and the second mounting hole are axially centered along the pole.
According to the top cap subassembly of this application embodiment, have following beneficial effect at least:
in the embodiment of this application, lower plastic is provided with limit structure towards one side of connection piece, and when assembly utmost point post and connection piece, limit structure is spacing to the connection piece butt, and the first mounting hole on the main part is in the axial of utmost point post with the second mounting hole on the connection piece centering, makes utmost point post can insert accurately in first mounting hole and the second mounting hole, and the utmost point post of being convenient for is pressed with the connection piece and is riveted fixedly to can promote the riveting precision of utmost point post and connection piece.
According to some embodiments of the application, the connecting piece comprises a first limiting surface parallel to a first direction and a second limiting surface parallel to a second direction, the first direction intersects the second direction, and the limiting structure abuts against the first limiting surface and the second limiting surface.
According to some embodiments of the present application, the limiting structure comprises a plurality of spacers, adjacent to the spacers being spaced apart from each other, at least one of the spacers abutting the first limiting surface, and at least one of the spacers abutting the second limiting surface.
According to some embodiments of the application, the limit structure comprises a first limit section and a second limit section which are connected into a whole, the first limit section and the second limit section are bent mutually, the first limit section is abutted against a first limit surface, and the second limit section is abutted against a second limit surface.
According to some embodiments of the application, the limiting structure comprises a first limiting portion and a second limiting portion, two ends of the first limiting portion are respectively connected to the second limiting portion and the main body portion, the connecting sheet is located between the main body portion and the second limiting portion, the first limiting portion abuts against the outer peripheral surface of the connecting sheet, and the second limiting portion abuts against the surface, back to the main body portion, of the connecting sheet.
According to some embodiments of the application, a side of the main body portion facing the connecting piece is provided with a limiting groove, and at least part of the connecting piece is embedded in the limiting groove.
According to some embodiments of the application, the connecting piece includes first connecting portion and fusing portion that interconnect, utmost point post butt in first connecting portion, limit structure with form the installation cavity between the main part, fusing portion peg graft in the installation cavity.
According to some embodiments of the application, the cap assembly further includes a weld secured between the post and a wall of the second mounting hole.
According to a second aspect embodiment of the present application, a battery cell includes:
a housing having an opening;
the cap assembly of the embodiment of the first aspect, which caps the opening;
and the battery cell is accommodated in the shell.
A battery pack according to an embodiment of the third aspect of the present application includes:
a box body;
a plurality of single batteries of the embodiment of the second aspect are placed in the box body.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of one embodiment of a header assembly of the present application;
FIG. 2 is an exploded view of the cap assembly of FIG. 1;
FIG. 3 is a schematic view of the cap assembly of FIG. 1 in another orientation;
FIG. 4 is a cross-sectional view of the cap assembly of FIG. 1;
FIG. 5 is a schematic view of the engagement of one embodiment of the connecting tab with the limiting structure;
FIG. 6 is a schematic view of the connection piece and the position limiting structure in cooperation with another embodiment;
FIG. 7 is a schematic diagram of an embodiment of a fuse and a retaining structure;
FIG. 8 is a schematic view of the connection piece and the position limiting structure in cooperation with another embodiment;
FIG. 9 is a schematic view of the engagement of one embodiment of the body portion and the connecting tab;
FIG. 10 is a schematic view of one embodiment of a cell of the present application;
fig. 11 is a schematic diagram of an embodiment of a battery pack according to the present application.
Reference numerals:
the lower plastic 100, the main body 110, the first mounting hole 111, the limiting groove 112, the limiting structure 120, the spacing part 121, the first limiting section 122, the second limiting section 123, the first limiting part 124, and the second limiting part 125; the connecting piece 200, the second mounting hole 210, the first limiting surface 220, the second limiting surface 230, the first connecting part 240, the second connecting part 250, the fusing part 260 and the mounting cavity 270; a pole 300; a top flap 400; feeding plastic 500; a weld 600; a housing 700, an opening 710; the battery cell 800 and the box body 900.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the positional descriptions referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, 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 direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 3, the top cover assembly provided in the embodiment of the present application includes a lower plastic 100, a connecting sheet 200 and a terminal 300, the lower plastic 100 includes a main body portion 110 and a limiting structure 120, the limiting structure 120 is connected to one side of the main body portion 110, the main body portion 110 has a first mounting hole 111 penetrating therethrough, the connecting sheet 200 is disposed on one side of the main body portion 110 where the limiting structure 120 is disposed, the connecting sheet 200 has a second mounting hole 210, the connecting sheet 200 and the lower plastic 100 are stacked, the first mounting hole 111 is communicated with the second mounting hole 210, the terminal 300 is disposed in the first mounting hole 111 and the second mounting hole 210, and an end of the terminal 300 abuts against the connecting sheet 200 to form stable electrical conduction with the connecting sheet 200. In this embodiment, plastic 100 is towards one side of connection piece 200 under limit structure 120 sets up, when assembly utmost point post 300 and connection piece 200, limit structure 120 is spacing to connection piece 200 butt, first mounting hole 111 on main part 110 and the second mounting hole 210 on connection piece 200 are at the epaxial centering of utmost point post 300, make utmost point post 300 can insert first mounting hole 111 and second mounting hole 210 accurately in, it is fixed to be convenient for utmost point post 300 and connection piece 200 pressure riveting, and can promote utmost point post 300 and connection piece 200's riveting precision.
When the pole 300 is assembled with the connecting sheet 200, the connecting sheet 200 is firstly attached to one side of the lower plastic 100 where the limiting structure 120 is arranged, the limiting structure 120 positions the connecting sheet 200, and the first mounting hole 111 can be easily aligned with the second mounting hole 210; subsequently, the pole 300 is inserted into the first mounting hole 111 and the second mounting hole 210, the pole 300 is riveted with the connecting piece 200, and the pole 300 does not need to be welded with the connecting piece 200 after being riveted with a riveting block, so that the assembly process of the connecting piece 200 is simplified, and the assembly efficiency of a production line is improved. It should be noted that, through set up limit structure 120 in one side of plastic 100 towards connection piece 200 down, on the one hand when connection piece 200 and utmost point post 300 riveting, can fix a position utmost point post 300 through limit structure 120, on the other hand, limit structure 120 can regard as the strengthening rib, improves the structural strength of plastic 100 down.
Referring to fig. 2 and 4, the top cover assembly further includes a top cover 400 and an upper plastic 500, the top cover 400, the lower plastic 100 and the connecting piece 200 are sequentially stacked, the post 300 is inserted into the upper plastic 500, the top cover 400, the lower plastic 100 and the connecting piece 200, an end of the post 300 located on one side of the lower plastic 100 facing the connecting piece 200 is riveted with the connecting piece 200, an end of the post 300 located on one side of the lower plastic 100 opposite to the connecting piece 200 is abutted against the upper plastic 500, so that the post 300 is axially fixed.
As shown in fig. 2, the stopper structure 120 abuts against two opposite side surfaces of the connecting piece 200, and the connecting piece 200 is stopped by the stopper structure 120 in a direction perpendicular to the side surfaces. In other embodiments, the limiting structure 120 can limit the connecting piece 200 in different directions to optimize the centering accuracy of the first mounting hole 111 and the second mounting hole 210; specifically, as shown in fig. 5, the connecting piece 200 includes a first limiting surface 220 parallel to the first direction and a second limiting surface 230 parallel to the second direction, the first direction intersects with the second direction, and the limiting structure 120 abuts against the first limiting surface 220 and the second limiting surface 230. Therefore, the limiting structure 120 can limit the connecting sheet 200 from different directions, and the centering accuracy of the first mounting hole 111 and the second mounting hole 210 is high.
It should be noted that the first direction and the second direction may be perpendicular to each other, or form an acute angle or an obtuse angle with each other. As a specific example, as shown in fig. 5, the first direction and the second direction are perpendicular to each other, and when the connecting piece 200 and the lower plastic 100 are assembled with each other, the side surface of the connecting piece 200 parallel to the first direction and the side surface of the connecting piece 200 parallel to the second direction are both abutted against the limiting structure 120, so that the connecting piece 200 is limited in two perpendicular directions, and the centering effect of the first mounting hole 111 and the second mounting hole 210 is achieved.
It can be understood that the connecting sheet 200 may further include a third limiting surface parallel to the third direction, the first direction, the second direction and the third direction are intersected, and the limiting structure 120 abuts against the first limiting surface 220, the second limiting surface 230 and the third limiting surface at the same time, so that the positioning accuracy of the limiting structure 120 on the connecting sheet 200 can be further improved. Based on the above, the limiting structure 120 may be disposed around the outer periphery of the connecting piece 200, the entire outer peripheral surface of the connecting piece 200 abuts against the limiting structure 120, the connecting piece 200 is limited inside the limiting structure 120, and the first mounting hole 111 can be precisely aligned with the second mounting hole 210.
In one embodiment, referring to fig. 5, the limiting structure 120 includes a plurality of spacers 121, the spacers 121 are arranged along the outer circumferential surface of the connecting piece 200, adjacent spacers 121 are spaced from each other, at least one spacer 121 abuts against the first limiting surface 220, and at least one spacer 121 abuts against the second limiting surface 230. Therefore, by arranging the plurality of spacing parts 121, the first spacing surface 220 and the second spacing surface 230 are both limited by at least one spacing part 121, and the plurality of spacing parts 121 are matched with each other to limit the connecting sheet 200 in different directions.
In another embodiment, referring to fig. 6, the position-limiting structure 120 includes a first position-limiting section 122 and a second position-limiting section 123 connected as an integral structure, the first position-limiting section 122 and the second position-limiting section 123 are bent mutually, and the extending directions of the first position-limiting section 122 and the second position-limiting section 123 are different, so that the first position-limiting section 122 can abut against the first position-limiting surface 220, and the second position-limiting section 123 can abut against the second position-limiting surface 230; therefore, the first limiting surface 220 and the second limiting surface 230 of the connecting sheet 200 are both limited by the limiting structures 120, and the limiting structures 120 are not required to be arranged at different positions at intervals, so that the connecting sheet 200 can be limited in different directions.
As shown in fig. 6, the outer peripheral surface of the connecting piece 200 has a plurality of curved surfaces, each curved surface has a first limiting surface 220 and a second limiting surface 230, the limiting structure 120 is matched with one curved surface, and includes a first limiting section 122 and a second limiting section 123 bent mutually, after the limiting structure 120 is abutted against the curved surface, the first limiting section 122 is abutted against the first limiting surface 220, and the second limiting section 123 is abutted against the second limiting surface 230.
Specifically, as shown in fig. 5 and fig. 6, the connecting sheet 200 includes a first connecting portion 240 and a second connecting portion 250 that are connected to each other, the second mounting hole 210 is disposed in the first connecting portion 240, an end of the terminal 300 abuts against the first connecting portion 240, and the second connecting portion 250 is used for being connected to a tab on the battery cell 800, so as to electrically connect the terminal 300 to the battery cell 800. In the present application, there are two second connection portions 250, the two second connection portions 250 are distributed at intervals, and end portions of the two second connection portions 250 are connected to side portions of the first connection portion 240; the end surfaces of the two second connecting portions 250, which are back to the first connecting portion 240, the surfaces of the first connecting portion 240 between the two second connecting portions 250, and the surfaces of the first connecting portion 240, which are back to the second connecting portion 250, are all set as curved surfaces, and the limiting structure 120 is arranged at any curved surface, so that the limitation on the connecting sheet 200 in different directions can be realized.
Further, the connecting sheet 200 further includes a fusing portion 260, the fusing portion 260 is located between the first connecting portion 240 and the second connecting portion 250, the first connecting portion 240 and the second connecting portion 250 are respectively connected to two sides of the fusing portion 260, when the power battery is used excessively or is overloaded, a large current is generated in the circuit instantly, and the fusing portion 260 is fused at a high temperature to prevent short-circuit explosion of the battery. In one embodiment, as shown in fig. 7, a gap is formed between the limiting structure 120 and the main body 110 to form a mounting cavity 270, and the fusing part 260 is inserted into the mounting cavity 270; after the fusing part 260 is inserted into the mounting cavity 270, the limiting structure 120 may limit the fusing part 260 to ensure that the first mounting hole 111 and the second mounting hole 210 are accurately aligned; moreover, the connecting sheet 200 is positioned between the main body part 110 and the limiting structure 120, when the pole 300 is riveted with the connecting sheet 200, the two sides of the connecting sheet 200 are simultaneously abutted by the main body part 110 and the limiting structure 120, so that the connecting sheet 200 can be prevented from moving along the axial direction of the pole 300; in addition, because fusing portion 260 is located installation cavity 270 to receive limit structure 120's cladding effect, can avoid fusing portion 260 to drop after fusing, influence battery core 800's performance.
It should be noted that, the limiting structure 120 and the connecting piece 200 can be connected into an integral structure through an injection molding method, and the bonding strength between the limiting structure 120 and the connecting piece 200 is high, so that the risk that the fusing part 260 is fused and then falls off can be further reduced.
As shown in fig. 8, in an embodiment, the limiting structure 120 includes a first limiting portion 124 and a second limiting portion 125, two ends of the first limiting portion 124 are respectively connected to the second limiting portion 125 and the main body portion 110, the connecting sheet 200 is located between the main body portion 110 and the second limiting portion 125, the first limiting portion 124 abuts against an outer peripheral surface of the connecting sheet 200, and the second limiting portion 125 abuts against a surface of the connecting sheet 200 facing away from the main body portion 110. The first limiting part 124 abuts against and limits the outer peripheral surface of the connecting sheet 200, so that the first mounting hole 111 and the second mounting hole 210 are axially centered along the pole 300; spacing portion 125 of second and main part 110 are spacing to connection piece 200 in the axial of utmost point post 300, and the drunkenness when connection piece 200 and utmost point post 300 riveting can be avoided, the connection piece 200 of being convenient for rivets with utmost point post 300.
In another embodiment, as shown in fig. 9, the main body 110 has a limiting groove 112 on a side facing the connecting piece 200, at least a portion of the connecting piece 200 is embedded in the limiting groove 112, and a groove wall of the limiting groove 112 can abut against an outer circumferential surface of the connecting piece 200 to limit the connecting piece 200, so that the first mounting hole 111 is aligned with the second mounting hole 210; furthermore, the connecting piece 200 is embedded in the main body 110, so that the connection between the connecting piece 200 and the lower plastic 100 can be more compact.
Furthermore, the limiting structure 120 is disposed at the periphery of the limiting groove 112, and the groove walls of the limiting structure 120 and the limiting groove 112 can abut against the outer peripheral surface of the connecting piece 200, so that the connecting piece 200 is limited by the limiting groove 112 and the limiting structure 120, and the positioning accuracy of the connecting piece 200 is high.
In order to improve the connection strength between the post 300 and the connecting sheet 200, the post 300 and the connecting sheet 200 may be welded in an auxiliary manner after the post 300 and the connecting sheet 200 are riveted. Specifically, as shown in fig. 4, the top cap assembly further includes a welding portion 600, the welding portion 600 is fixed between the terminal post 300 and the hole wall of the second mounting hole 210, so as to fix the end of the terminal post 300 at the end of the connecting piece 200 opposite to the downward plastic 100, and ensure the connection strength between the terminal post 300 and the connecting piece 200.
As shown in fig. 10, the present application further provides a single battery, which includes the above-mentioned cap assembly, and further includes a casing 700 and a battery cell 800, wherein the battery cell 800 is accommodated inside the casing 700, the casing 700 has an opening 710, and the cap assembly covers the opening 710 to seal the battery cell 800 inside the casing 700. The top of the battery cell 800 is connected with a tab, the tab is connected with the connecting sheet 200 by ultrasonic welding, and the end of the pole 300 is abutted against the connecting sheet 200, so that the effect of electrically connecting the tab and the pole 300 is achieved.
As shown in fig. 11, the present application further provides a battery pack, where the battery includes a case 900 and a plurality of single batteries as described above, and the plurality of single batteries are placed in the case 900. The unit cells are connected in parallel or in series and arranged in a plurality of rows and columns in the case 900 to increase the power storage capacity and energy density of the battery pack.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. A header assembly, comprising:
the lower plastic comprises a main body part and a limiting structure, the limiting structure is connected to one side of the main body part, and the main body part is provided with a first mounting hole which penetrates through the main body part;
the connecting piece is arranged on one side, provided with the limiting structure, of the main body part, and is provided with a second mounting hole;
the pole column penetrates through the first mounting hole and the second mounting hole, and the end part of the pole column is abutted against the connecting sheet;
the limiting structure is abutted and limited to the connecting sheet, so that the first mounting hole and the second mounting hole are axially centered along the pole.
2. The header assembly of claim 1, wherein the connecting tab includes a first stop surface parallel to a first direction and a second stop surface parallel to a second direction, the first direction intersecting the second direction, the stop structure abutting the first stop surface and the second stop surface.
3. The header assembly of claim 2, wherein the retention structure comprises a plurality of spaced-apart portions, adjacent the spaced-apart portions being spaced-apart from one another, at least one of the spaced-apart portions abutting the first retention surface and at least one of the spaced-apart portions abutting the second retention surface.
4. The top cap assembly of claim 2, wherein the limiting structure comprises a first limiting section and a second limiting section connected as a single structure, the first limiting section and the second limiting section are bent to each other, the first limiting section abuts against the first limiting surface, and the second limiting section abuts against the second limiting surface.
5. The top cap assembly of claim 1, wherein the limiting structure comprises a first limiting portion and a second limiting portion, two ends of the first limiting portion are respectively connected to the second limiting portion and the main body portion, the connecting piece is located between the main body portion and the second limiting portion, the first limiting portion abuts against an outer peripheral surface of the connecting piece, and the second limiting portion abuts against a surface of the connecting piece facing away from the main body portion.
6. The header assembly of any one of claims 1-4, wherein the body portion has a retention groove on a side facing the connecting tab, and at least a portion of the connecting tab is embedded in the retention groove.
7. The top cap assembly of claim 1, wherein the connecting piece includes a first connecting portion and a fusing portion connected to each other, the terminal abuts against the first connecting portion, a mounting cavity is formed between the limiting structure and the main body portion, and the fusing portion is inserted into the mounting cavity.
8. The header assembly of claim 1, further comprising a weld secured between the post and a wall of the second mounting hole.
9. A cell, comprising:
a housing having an opening;
the cap assembly of any one of claims 1 to 8, said cap assembly covering said opening;
and the battery cell is accommodated in the shell.
10. A battery pack, comprising:
a box body;
a plurality of the cells of claim 9, a plurality of the cells being disposed within the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222379523.4U CN218602572U (en) | 2022-09-07 | 2022-09-07 | Top cap subassembly, battery cell and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222379523.4U CN218602572U (en) | 2022-09-07 | 2022-09-07 | Top cap subassembly, battery cell and battery package |
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| Publication Number | Publication Date |
|---|---|
| CN218602572U true CN218602572U (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222379523.4U Active CN218602572U (en) | 2022-09-07 | 2022-09-07 | Top cap subassembly, battery cell and battery package |
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| CN (1) | CN218602572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116454492A (en) * | 2023-05-31 | 2023-07-18 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| CN117080638A (en) * | 2023-10-12 | 2023-11-17 | 厦门海辰储能科技股份有限公司 | End cover assembly, energy storage device and electric equipment |
-
2022
- 2022-09-07 CN CN202222379523.4U patent/CN218602572U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116454492A (en) * | 2023-05-31 | 2023-07-18 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| CN116454492B (en) * | 2023-05-31 | 2023-08-15 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| CN117080638A (en) * | 2023-10-12 | 2023-11-17 | 厦门海辰储能科技股份有限公司 | End cover assembly, energy storage device and electric equipment |
| CN117080638B (en) * | 2023-10-12 | 2023-12-26 | 厦门海辰储能科技股份有限公司 | End cover assembly, energy storage device and electric equipment |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |
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