CN214754067U - 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
- Publication number
- CN214754067U CN214754067U CN202120529045.3U CN202120529045U CN214754067U CN 214754067 U CN214754067 U CN 214754067U CN 202120529045 U CN202120529045 U CN 202120529045U CN 214754067 U CN214754067 U CN 214754067U
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- clamping
- groove
- connection piece
- connecting sheet
- connection
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- 210000002421 cell wall Anatomy 0.000 claims abstract description 4
- 210000004027 cell Anatomy 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
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; this connection piece has set firmly clamping mechanism, and this clamping mechanism includes a plurality of clamping along first direction interval arrangement, is formed with the draw-in groove in this clamping, all has the protruding card portion of arranging on two cell walls of this draw-in groove, and the draw-in groove clamping of this clamping is on the bulge and card portion contact cooperation bulge immediately. It has the following advantages: convenient assembly and disassembly, low cost, convenient maintenance and good heat dissipation effect.
Description
Technical Field
The utility model relates to a group battery and connection structure thereof especially relate to a 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, difficult dismantlement, radiating effect are poor.
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: a connection structure of a cell pole and a connecting sheet is provided, wherein the cell pole is provided with a convex part; this connection piece has set firmly clamping mechanism, and this clamping mechanism includes a plurality of clamping along first direction interval arrangement, is formed with the draw-in groove in this clamping, all has the protruding card portion of arranging on two cell walls of this draw-in groove, and the draw-in groove clamping of this clamping is on the bulge and card portion contact cooperation bulge immediately.
In one embodiment: the two groove walls of the clamping groove are axially and symmetrically arranged.
In one embodiment: the clamping device comprises a fixed seat fixedly arranged on the connecting sheet and a pair of cantilevers fixedly arranged on the fixed seat, the two cantilevers of each pair of cantilevers are matched at intervals to form the clamping groove, and the clamping part is arranged on the inner side wall of each cantilever.
In one embodiment: the distance between the clamping parts of the two cantilevers of each pair of cantilevers in a natural state is not more than the thickness of the bulge.
In one embodiment: the cantilever has a V-shaped part with an outward opening, one end of the V-shaped part extends and is fixedly connected to the fixing seat, and the V-shaped end of the V-shaped part forms the clamping part.
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 utility model provides a battery pack, 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 this electric core utmost point post and connection piece adopt the connection structure of foretell electric core utmost point post and connection 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 includes a plurality of interval arrangement's clamping, is formed with the draw-in groove in the clamping, all has the protruding card portion of arranging on two cell walls of draw-in groove, and the draw-in groove clamping of clamping is on the bulge and card portion tight contact cooperation bulge, consequently can produce following technological effect: the clamping mechanism comprises a plurality of clamps which are arranged at intervals, can be used for detachably connecting the electric core pole column and the connecting sheet, is convenient to detach, reduces the cost and is convenient to maintain; secondly, clamping mechanism and bulge pass through card portion contact, and, clamping and clamping interval arrangement, the radiating effect is good.
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 (8)
1. The utility model provides a connection structure of electric core utmost point post and connection piece which characterized in that: the battery core pole column is provided with a convex part; this connection piece has set firmly clamping mechanism, and this clamping mechanism includes a plurality of clamping along first direction interval arrangement, is formed with the draw-in groove in this clamping, all has the protruding card portion of arranging on two cell walls of this draw-in groove, and the draw-in groove clamping of this clamping is on the bulge and card portion contact cooperation bulge immediately.
2. The connection structure of a cell post and a connection piece of claim 1, characterized in that: the two groove walls of the clamping groove are axially and symmetrically arranged.
3. The connection structure of a cell post and a connection piece of claim 1, characterized in that: the clamping device comprises a fixed seat fixedly arranged on the connecting sheet and a pair of cantilevers fixedly arranged on the fixed seat, the two cantilevers of each pair of cantilevers are matched at intervals to form the clamping groove, and the clamping part is arranged on the inner side wall of each cantilever.
4. The connection structure of a cell post and a connection piece according to claim 3, characterized in that: the distance between the clamping parts of the two cantilevers of each pair of cantilevers in a natural state is not more than the thickness of the bulge.
5. The connection structure of a cell post and a connection piece according to claim 3, characterized in that: the cantilever has a V-shaped part with an outward opening, one end of the V-shaped part extends and is fixedly connected to the fixing seat, and the V-shaped end of the V-shaped part forms the clamping part.
6. The connection structure of the cell pole and the connection piece as claimed in claim 1, 2, 3, 4 or 5, 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.
7. The utility model provides a battery pack, includes 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 at least two battery module electricity together its characterized in that through 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, 4 or 5.
8. A battery pack in accordance with claim 7, wherein: an insulating part is sleeved outside each connecting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529045.3U CN214754067U (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 |
|---|---|---|---|
| CN202120529045.3U CN214754067U (en) | 2021-03-12 | 2021-03-12 | Connection structure and group battery of electric core utmost point post and connection piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214754067U true CN214754067U (en) | 2021-11-16 |
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ID=78593802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120529045.3U Active CN214754067U (en) | 2021-03-12 | 2021-03-12 | Connection structure and group battery of electric core utmost point post and connection piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214754067U (en) |
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2021
- 2021-03-12 CN CN202120529045.3U patent/CN214754067U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
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| CP01 | Change in the name or title of a patent holder |