CN214754068U - Connection structure and group battery of electric core utmost point post and connection piece - Google Patents
Connection structure and group battery of electric core utmost point post and connection piece Download PDFInfo
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- CN214754068U CN214754068U CN202120529208.8U CN202120529208U CN214754068U CN 214754068 U CN214754068 U CN 214754068U CN 202120529208 U CN202120529208 U CN 202120529208U CN 214754068 U CN214754068 U CN 214754068U
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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 utility model discloses a connection structure of an electric core pole and a connecting sheet and a battery pack, wherein the electric core pole is provided with a convex part; the connecting sheet is fixedly provided with a clamping mechanism, the clamping mechanism is provided with a clamping groove, the two groove walls of the clamping groove are respectively provided with a first clamping part and a second clamping part which are arranged in a protruding manner, and the heights of the first clamping part and the second clamping part relative to the depth of the clamping groove are different; the clamping groove of the clamping mechanism is clamped on the protruding portion, and the first clamping portion and the second clamping portion are in close contact with the matching protruding portion. It has the following advantages: the connecting structure can be used for connecting and disconnecting the battery cell pole and the connecting sheet in a detachable manner, is convenient to assemble and disassemble, reduces the cost and is convenient to maintain; the connection strength and the electric connection stability can be improved; the heat dissipation effect is good.
Description
Technical Field
The utility model relates to a group battery and connection structure thereof especially relate to the connection structure and group battery of electric core utmost point post and connection piece.
Background
The group battery includes a plurality of battery modules, and every battery module all is equipped with two electric core utmost point posts, has at least the electric core utmost point post electricity of two battery modules to connect together in order to connect at least two battery module electricity through the connection piece electricity, and the connection structure of electric core utmost point post and connection piece mainly has following two kinds among the prior art: firstly, fixing an electric connection cell pole and a connecting sheet by adopting a welding mode, such as CN110970593A and CN207572446U, and welding the cell pole and the connecting sheet by adopting laser or ultrasonic waves to realize fixing and electric connection; and secondly, connecting the cell pole column and the connecting sheet in a screw mode to realize fixation and electric connection. The two connection modes have the following defects: the installation is troublesome, the cost of the tool and the equipment is high, and the production efficiency is low; difficult dismantlement easily leads to whole module and group battery (PACK) to scrap, and cost of maintenance is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connection structure and group battery of electric core utmost point post and connection piece, it has overcome among the background art not enough that the connection structure of electric core utmost point post and connection piece exists.
The utility model provides one of the technical scheme who adopts of its technical problem is: the battery cell pole column is provided with a convex part; the connecting sheet is fixedly provided with a clamping mechanism, the clamping mechanism is provided with a clamping groove, the two groove walls of the clamping groove are respectively provided with a first clamping part and a second clamping part which are arranged in a protruding manner, and the heights of the first clamping part and the second clamping part relative to the depth of the clamping groove are different; the clamping groove of the clamping mechanism is clamped on the protruding portion, and the first clamping portion and the second clamping portion are in close contact with the matching protruding portion.
In one embodiment: the first clamping part and the second clamping part are arranged at intervals along the length direction of the clamping groove, and the two groove walls of the clamping groove are axially and symmetrically arranged.
In one embodiment: the clamping mechanism comprises at least one first clamping and at least one second clamping, the first clamping comprises a first fixed seat fixedly arranged on the connecting sheet and a pair of first cantilevers fixedly arranged on the first fixed seat, the second clamping comprises a second fixed seat fixedly arranged on the connecting sheet and a pair of second cantilevers fixedly arranged on the second fixed seat, the interval between the two first cantilevers of each pair of the first cantilevers and the interval between the two second cantilevers of each pair of the second cantilevers are matched to form the clamping groove, the inner side wall of the first cantilever is provided with the first clamping part, and the inner side wall of the second cantilever is provided with the second clamping part.
In one embodiment: the at least one first clamp and the at least one second clamp are arranged at intervals along the length direction of the clamping groove; the spacing distance between the first clamping parts in the natural state of each pair of first cantilevers and the spacing distance between the second clamping parts in the natural state of each pair of second cantilevers are not larger than the thickness of the bulge.
In one embodiment: the clamping mechanism is provided with a plurality of first clamping clamps and a plurality of second clamping clamps, and the first clamping clamps and the second clamping clamps are arranged at intervals in a staggered mode.
In one embodiment: the first cantilever is provided with a first V-shaped part with an outward opening, one end of the first V-shaped part extends and is fixedly connected to the first fixing seat, and the V-shaped end of the first V-shaped part forms the first clamping part;
the second cantilever has a second V-shaped portion with an outward opening, one end of the second V-shaped portion extends and is fixedly connected to the second fixing seat, and the V-shaped end of the second V-shaped portion forms the second clamping portion.
In one embodiment: the clamping mechanism comprises a fixed seat fixedly arranged on the connecting sheet and two cantilevers fixedly arranged on the fixed seat, and the two cantilevers form the clamping groove at intervals.
In one embodiment: the clamping mechanism comprises a fixed base fixedly arranged on the connecting sheet and at least one pair of first cantilevers and at least one pair of second cantilevers fixedly arranged on the fixed base at intervals along the length direction of the clamping groove, the interval of the two first cantilevers of each pair of first cantilevers and the interval of the two second cantilevers of each pair of second cantilevers are matched to form the clamping groove, the first clamping portion is arranged on the inner side wall of each first cantilever, and the second clamping portion is arranged on the inner side wall of each second cantilever.
In one embodiment: the connecting sheet is of a plate-shaped structure, the clamping mechanism is fixedly connected to the bottom surface of the connecting sheet, the protruding portion is of a plate-shaped structure, and the clamping groove is clamped on two outer side walls of the protruding portion.
The utility model provides a second of the technical scheme of its technical problem's adoption: the battery pack comprises a plurality of battery modules, each battery module is provided with two battery cell poles, at least two battery cell poles of the two battery modules are electrically connected through a connecting piece so as to electrically connect the two battery modules together, and the battery cell poles and the connecting piece adopt the connecting structure of the battery cell poles and the connecting piece.
In one embodiment: an insulating part is sleeved outside each connecting sheet.
Compared with the background technology, the technical scheme has the following advantages:
electric core utmost point post has the bulge, and the connection piece has set firmly clamping mechanism, and clamping mechanism has the draw-in groove, all has protruding first card portion and the second card portion of arranging on two cell walls of draw-in groove, and first card portion and the relative draw-in groove depth of second card portion locate highly inequality, and the draw-in groove clamping of clamping mechanism is on the bulge and first card portion and second card portion all closely contact cooperation bulge, consequently can produce following technological effect: firstly, the connecting core pole and the connecting sheet can be assembled and disassembled, so that the assembly and disassembly are convenient, the cost is reduced, and the maintenance is convenient; the first clamping part and the second clamping part are in close contact with the matching convex parts, so that the connection strength and the electric connection stability can be improved; thirdly, the clamping mechanism is contacted with the protruding part through the clamping part, and the heat dissipation effect is good.
First card portion and second card portion are arranged along draw-in groove length direction interval, further improve joint strength, electric connection stability, radiating effect.
First clamping and second clamping are arranged along draw-in groove length direction interval, promote the radiating effect.
The clamping includes solid seat and a pair of cantilever, and the interval of two cantilevers constitutes the draw-in groove, and the cantilever inside wall is equipped with card portion, simple structure, and the clamping is firm reliable and stable just is convenient for install and remove.
The cantilever is provided with a V-shaped part with an outward opening, one end of the V-shaped part extends and is fixedly connected with the fixed seat, and the structure is simple.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a perspective view schematically illustrating a battery pack according to an embodiment.
Fig. 2 is a partially exploded perspective view of a battery pack according to an embodiment.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.
FIG. 4 is a perspective view of an embodiment attachment tab and clip mechanism.
FIG. 5 is a schematic front view of an embodiment of a connecting tab and clip mechanism.
FIG. 6 is a left side schematic view of an embodiment attachment tab and clip mechanism.
Fig. 7 is one of schematic cross-sectional views of the connection sheet, the clamping mechanism and the cell post fitting according to the embodiment.
Fig. 8 is a second schematic cross-sectional view illustrating the connection sheet, the clamping mechanism and the cell post of the embodiment in cooperation.
Description of reference numerals: the battery module 1, the cell post 2, the connecting sheet 3, the clamping mechanism 4, the fixing sheet 21, the protruding portion 22, the insulating portion 31, the clamping groove 41, the first clamping portion 42, the second clamping portion 43, the first clamping 44, the second clamping 45, the first fixing seat 441, the first cantilever 442, the second fixing seat 451, and the second cantilever 452.
Detailed Description
Referring to fig. 1 to 3, the battery pack includes a plurality of battery modules 1, each battery module 1 is provided with two cell poles 2, each cell pole 2 is made of aluminum material and includes a fixing piece 21 and a protrusion 22 fixed on the fixing piece 21, the protrusion 22 is a plate-shaped structure, and the fixing piece 21 and the protrusion 22 are matched to form an inverted T-shaped structure; the cell poles 2 of every two battery modules 1 are electrically connected through the connecting sheets 3 to electrically connect the battery modules 1 together (such as series connection, parallel connection or series-parallel connection), the connecting sheets 3 are made of aluminum materials and have a plate-shaped structure, an insulating part 31 is sleeved outside each connecting sheet 3, and the insulating part 31 is a rubber protective sleeve to play an insulating protection role, so that short circuit between the cells is prevented during installation, and safety accidents are prevented.
Referring to fig. 2 to 8, the connection structure of the cell post 2 and the connecting sheet 3 is as follows: the connecting sheet 3 is fixedly provided with a clamping mechanism 4, the clamping mechanism 4 is provided with a clamping groove 41, two groove walls of the clamping groove 41 are respectively provided with a first clamping part 42 and a second clamping part 43 which are arranged in a protruding manner, and the two groove walls of the clamping groove 41 are axially and symmetrically arranged; the first clamping portion 42 and the second clamping portion 43 are different in height relative to the depth of the slot 41, and the first clamping portion 42 and the second clamping portion 43 are arranged at intervals along the length direction of the slot 41; the catching grooves 41 of the catching mechanism 4 catch on both outer side walls of the projection 22 and both the first catching portion 42 and the second catching portion 43 closely contact the outer side walls of the fitting projection 22.
In this embodiment: the clamping mechanism 4 comprises a plurality of first clamping clips 44 and a plurality of second clamping clips 45, wherein the plurality of first clamping clips 44 and the plurality of second clamping clips 45 are arranged along the groove length direction of the clamping groove 41 at intervals in a staggered mode; the first clip 44 includes a first fixing base 441 fixed on the bottom surface of the connecting sheet 3 and a pair of first cantilevers 442 fixed on the first fixing base 441, the second clip 45 includes a second fixing base 451 fixed on the bottom surface of the connecting sheet 3 and a pair of second cantilevers 452 fixed on the second fixing base 451, the space between the two first cantilevers 451 of each pair of first cantilevers and the space between the two second cantilevers 452 of each pair of second cantilevers cooperate to form the above-mentioned slot 41, the inner side wall of the first cantilever 442 is provided with the above-mentioned first clip portion 42, and the inner side wall of the second cantilever 452 is provided with the above-mentioned second clip portion 43. In the concrete structure: the first cantilever 442 has a first V-shaped portion with an outward opening, one end of the first V-shaped portion extends and is fixed to the first fixing seat 441, and the V-shaped end of the first V-shaped portion forms the first locking portion 42; the second cantilever 452 has a second V-shaped portion with an outward opening, one end of the second V-shaped portion extends and is fixed to the second fixing base 451, and the V-shaped end of the second V-shaped portion forms the second locking portion 43; the distance between the first locking portions 42 of each pair of first cantilevers 44 in the natural state and the distance between the second locking portions 43 of each pair of second cantilevers 45 in the natural state are not greater than the thickness of the protruding portion 22. Further, the first fixing seat 441 and the second fixing seat 451 are brazed on the bottom surface of the connecting sheet 3, and the first clamp 44 and the second clamp 45 are both made of aluminum materials; the thickness of the connecting piece 3 is 1.5-2.2mm, the spacing distance of the first clamping parts 42 of each pair of first cantilevers 44 in a natural state and the spacing distance of the second clamping parts 43 of each pair of second cantilevers 45 in a natural state are 1.8-2.2mm, and the thickness of the bulge 22 is 3 mm.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (11)
1. Connection structure of electric core utmost point post and connection piece, its characterized in that: the battery core pole column is provided with a convex part; the connecting sheet is fixedly provided with a clamping mechanism, the clamping mechanism is provided with a clamping groove, the two groove walls of the clamping groove are respectively provided with a first clamping part and a second clamping part which are arranged in a protruding manner, and the heights of the first clamping part and the second clamping part relative to the depth of the clamping groove are different; the clamping groove of the clamping mechanism is clamped on the protruding portion, and the first clamping portion and the second clamping portion are in close contact with the matching protruding portion.
2. The structure of claim 1, wherein the connection structure comprises: the first clamping part and the second clamping part are arranged at intervals along the length direction of the clamping groove, and the two groove walls of the clamping groove are axially and symmetrically arranged.
3. The structure of claim 1, wherein the connection structure comprises: the clamping mechanism comprises at least one first clamping and at least one second clamping, the first clamping comprises a first fixed seat fixedly arranged on the connecting sheet and a pair of first cantilevers fixedly arranged on the first fixed seat, the second clamping comprises a second fixed seat fixedly arranged on the connecting sheet and a pair of second cantilevers fixedly arranged on the second fixed seat, the interval between the two first cantilevers of each pair of the first cantilevers and the interval between the two second cantilevers of each pair of the second cantilevers are matched to form the clamping groove, the inner side wall of the first cantilever is provided with the first clamping part, and the inner side wall of the second cantilever is provided with the second clamping part.
4. The structure of claim 3, wherein the connecting structure comprises: the at least one first clamp and the at least one second clamp are arranged at intervals along the length direction of the clamping groove; the spacing distance between the first clamping parts in the natural state of each pair of first cantilevers and the spacing distance between the second clamping parts in the natural state of each pair of second cantilevers are not larger than the thickness of the bulge.
5. The structure of claim 3, wherein the connecting structure comprises: the clamping mechanism is provided with a plurality of first clamping clamps and a plurality of second clamping clamps, and the first clamping clamps and the second clamping clamps are arranged at intervals in a staggered mode.
6. The structure of claim 3, wherein the connecting structure comprises:
the first cantilever is provided with a first V-shaped part with an outward opening, one end of the first V-shaped part extends and is fixedly connected to the first fixing seat, and the V-shaped end of the first V-shaped part forms the first clamping part;
the second cantilever has a second V-shaped portion with an outward opening, one end of the second V-shaped portion extends and is fixedly connected to the second fixing seat, and the V-shaped end of the second V-shaped portion forms the second clamping portion.
7. The structure of claim 1, wherein the connection structure comprises: the clamping mechanism comprises a fixed seat fixedly arranged on the connecting sheet and two cantilevers fixedly arranged on the fixed seat, and the two cantilevers form the clamping groove at intervals.
8. The structure of claim 1, wherein the connection structure comprises: the clamping mechanism comprises a fixed base fixedly arranged on the connecting sheet and at least one pair of first cantilevers and at least one pair of second cantilevers fixedly arranged on the fixed base at intervals along the length direction of the clamping groove, the interval of the two first cantilevers of each pair of first cantilevers and the interval of the two second cantilevers of each pair of second cantilevers are matched to form the clamping groove, the first clamping portion is arranged on the inner side wall of each first cantilever, and the second clamping portion is arranged on the inner side wall of each second cantilever.
9. The structure of claim 1, 2, 3, 7 or 8, wherein: the connecting sheet is of a plate-shaped structure, the clamping mechanism is fixedly connected to the bottom surface of the connecting sheet, the protruding portion is of a plate-shaped structure, and the clamping groove is clamped on two outer side walls of the protruding portion.
10. The group battery, including a plurality of battery modules, every battery module all is equipped with two electric core utmost point posts, and the electric core utmost point post that has two battery modules at least connects in order to connect together its characterized in that with two at least battery module electricity through the connection piece electricity: the cell post and the connecting sheet adopt the connecting structure of the cell post and the connecting sheet according to claim 1, 2, 3, 7 or 8.
11. The battery pack of claim 10, wherein: an insulating part is sleeved outside each connecting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529208.8U CN214754068U (en) | 2021-03-12 | 2021-03-12 | Connection structure and group battery of electric core utmost point post and connection piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529208.8U CN214754068U (en) | 2021-03-12 | 2021-03-12 | Connection structure and group battery of electric core utmost point post and connection piece |
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| Publication Number | Publication Date |
|---|---|
| CN214754068U true CN214754068U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120529208.8U Active CN214754068U (en) | 2021-03-12 | 2021-03-12 | Connection structure and group battery of electric core utmost point post and connection piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172995A (en) * | 2022-06-22 | 2022-10-11 | 一汽解放汽车有限公司 | Battery and power consumption device |
| CN117154349A (en) * | 2023-11-01 | 2023-12-01 | 成都大学 | New energy battery module convenient to change |
-
2021
- 2021-03-12 CN CN202120529208.8U patent/CN214754068U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172995A (en) * | 2022-06-22 | 2022-10-11 | 一汽解放汽车有限公司 | Battery and power consumption device |
| CN117154349A (en) * | 2023-11-01 | 2023-12-01 | 成都大学 | New energy battery module convenient to change |
| CN117154349B (en) * | 2023-11-01 | 2024-01-19 | 成都大学 | New energy battery module convenient to change |
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Address after: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |