CN212182445U - Battery module output pole connecting device - Google Patents
Battery module output pole connecting device Download PDFInfo
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- CN212182445U CN212182445U CN202020827386.4U CN202020827386U CN212182445U CN 212182445 U CN212182445 U CN 212182445U CN 202020827386 U CN202020827386 U CN 202020827386U CN 212182445 U CN212182445 U CN 212182445U
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- output electrode
- battery module
- base body
- electrode connecting
- connecting device
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Abstract
The utility model provides a battery module output pole connecting device, including adapting unit (1), output pole connection piece (2), base body (3) and outside generating line (5), wherein: the external connecting hole (21) of the output electrode connecting piece (2) is inserted into the pressure limiting boss (11) of the connecting part (1); the connecting part (1) is arranged in the base body (3); the output electrode connecting sheet (2) is tightly connected with the external bus (5). The utility model has reasonable structure, smart design and low cost; the utility model has the advantages that by arranging the pressure-limiting boss structure, the conductive material with high weldability of the battery pole material can be used as the output pole connecting sheet, thereby greatly saving the welding procedure, saving the cost and improving the energy density of the battery module; the utility model discloses a holding surface is higher than base body's installation face, and protection base body plays the effect of bearing fastener pretension power, prevents that the fastener is not hard up.
Description
Technical Field
The utility model relates to a battery field specifically, relates to a battery module output pole connecting device.
Background
In the battery module, the output electrode base is arranged on an end plate of the battery module and used for connecting the output electrode connecting sheet and the bus and providing insulation protection for the output electrode connecting sheet. At present, the one end of output pole connection piece and the electrode terminal welded connection of battery, the other end is connected with outside generating line and bolted connection in order to realize the electricity between battery module and battery module or the external device, the both ends of output pole connection piece require differently to the material performance, weld for the material better with utmost point post material weldability with the electrode terminal of battery, the material of being connected with generating line bolted connection is the higher material of yield strength, the mechanical properties and the hardness of the higher material of yield strength are better than the better material of utmost point post material weldability, the easy deformation damage of bolted connection is used to the better material connection piece of utmost point post material weldability, whole car is at the in-process of traveling, battery module can easily lead to the moment of torsion to lose along with whole car vibration and appear the not hard up condition of output pole connection, influence the performance and the safety of battery package. In order to realize the reliability of the connection between the output electrode connecting sheet and the bus bolt, the output electrode connecting sheet of the traditional battery module takes a copper sheet as a main body, and an aluminum sheet is welded at the connecting position of the copper sheet and an electrode terminal of the battery. However, the copper-aluminum output electrode connecting piece formed by welding has large thickness, the overall height of the battery module is influenced, and the main body of the output electrode connecting piece is a copper sheet, so that the weight is large and the cost is high.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a battery module output pole connecting device.
According to the utility model provides a pair of battery module output pole connecting device, including adapting unit 1, output pole connection piece 2, base body 3 and outside generating line 5, wherein:
the external connecting hole 21 of the output pole connecting piece 2 is inserted into the pressure limiting boss 11 of the connecting part 1;
the connecting part 1 is arranged in the base body 3;
the output pole connecting piece 2 is tightly connected with the external bus bar 5.
Preferably, the connecting member 1 and the base body 3 are integrally provided or the connecting member 1 is fastened to the base body 3.
Preferably, the connecting part 1 comprises a support table 12 and a pressure limiting boss 11 arranged on the support table 12, wherein:
the supporting surface 121 of the supporting table 12 is higher than the mounting surface of the base body 3;
the outer diameter of the support platform 12 is larger than that of the pressure limiting boss 11.
Preferably, the external connection hole 21 is provided on the output electrode connection piece mounting surface 22 of the output electrode connection piece 2;
the external connecting hole 21 is sleeved on the pressure limiting boss 11;
the output electrode connecting sheet mounting surface 22 is attached to the support surface 121.
Preferably, the upper plane 111 of the voltage limiting boss 11 and the output electrode connecting piece mounting surface 22 are flush with each other or lower than the output electrode connecting piece mounting surface 22.
Preferably, the periphery of the connecting part 1 is provided with a groove, the base body 3 is provided with an accommodating part for accommodating the connecting part 1, the inner wall of the accommodating part is provided with a convex block matched with the groove, and the connecting part 1 and the base body 3 are fixedly connected through the matching of the groove and the convex block.
Preferably, the output electrode connecting piece 2 is made of a conductive material having weldability with the battery post material.
Preferably, a first fastening piece is arranged inside the connecting part 1, and the output electrode connecting piece 2 and the external bus bar 5 are fixed through pretightening force between the first fastening piece and the second fastening piece.
Preferably, the first fastener comprises a threaded hole and the second fastener comprises a bolt or a screw.
Preferably, the base further comprises a support seat 4, and the base body 3 is arranged on the support seat 4.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has reasonable structure, smart design and low cost;
2. the utility model has the advantages that by arranging the pressure-limiting boss structure, the conductive material with high weldability of the battery pole material can be used as the output pole connecting sheet, thereby greatly saving the welding procedure, saving the cost and improving the energy density of the battery module;
3. the utility model discloses a holding surface is higher than base body's installation face, and protection base body plays the effect of bearing fastener pretension power, prevents that the fastener is not hard up.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of a battery module output electrode connecting device;
FIG. 2 is a schematic structural diagram of an output electrode connecting piece and a base body of the output electrode connecting device of the battery module;
fig. 3 is a schematic structural view of a connection member of the battery module output electrode connection device;
FIG. 4 is a side view of the connection of the output electrode connecting piece of the battery module output electrode connecting device and the base body;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a partially enlarged view of fig. 5.
The figures show that:
connecting part 1
Support table 12
Output electrode connecting sheet 2
Supporting seat 4
Fastener 6
Battery series connection member 7
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Basic embodiment:
as shown in fig. 1 to 6, according to the utility model provides a battery module output pole connecting device uses in the battery module field, and when a plurality of battery modules were established ties, two batteries in the outside corresponded the positive negative pole of battery respectively, need draw forth the battery with the positive negative pole of battery outside, the utility model provides a connection structure specifically includes adapting unit 1, output pole connection piece 2, base body 3 and outside generating line 5, wherein: the external connecting hole 21 of the output pole connecting piece 2 is inserted into the pressure limiting boss 11 of the connecting part 1; the connecting part 1 is arranged in the base body 3; the output pole connecting piece 2 is tightly connected with the external bus bar 5. The connecting member 1 and the base body 3 are integrally provided or the connecting member 1 is fastened to the base body 3. The connecting part 1 comprises a support table 12 and a pressure-limiting boss 11 arranged on the support table 12, wherein the support surface 121 of the support table 12 is higher than the mounting surface of the base body 3; the outer diameter of the support platform 12 is larger than that of the pressure limiting boss 11. The external connection hole 21 is arranged on the output electrode connection piece mounting surface 22 of the output electrode connection piece 2; the external connecting hole 21 is sleeved on the pressure limiting boss 11; the output electrode connecting sheet mounting surface 22 is attached to the support surface 121. The upper plane 111 of the voltage limiting boss 11 is flush with the output electrode connecting piece mounting surface 22 or lower than the output electrode connecting piece mounting surface 22. The output electrode connecting sheet 2 is made of a conductive material which has weldability with the battery pole material. A first fastener is arranged inside the connecting part 1, and the output electrode connecting piece 2 and the external bus 5 are fixed through pretightening force between the first fastener and the second fastener. The first fastener includes a threaded hole and the second fastener includes a bolt or a screw.
Further, the utility model discloses still include supporting seat 4, base body 3 sets up on the supporting seat 4.
The preferred embodiment is as follows:
the periphery of adapting unit 1 is provided with the recess, be provided with on base body 3 and hold adapting unit 1's portion of holding, the inner wall of portion of holding be provided with the lug that the recess matches, adapting unit 1 realizes fixed connection through the cooperation of recess and lug with base body 3.
The supporting surface 121 of the connecting part and the output electrode connecting sheet of the utility model is higher than the mounting surface 31 of the base body, so as to protect the base body to play the role of bearing the pretension force of the fastener and prevent the fastener from loosening; the upper plane 111 of the pressure limiting boss of the connecting part is flush with or lower than the mounting surface 22 of the output electrode connecting sheet, so that the output electrode connecting sheet 2 is protected to play a role in bearing a pre-tightening force. Through the structure of the lug boss, the output electrode connecting sheet 2 is made of a conductive material with high weldability and high yield strength; the welding process is saved, the cost is reduced, and the energy density of the battery module is improved.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a battery module output pole connecting device which characterized in that, includes adapting unit (1), output pole connection piece (2), base body (3) and outside generating line (5), wherein:
the external connecting hole (21) of the output electrode connecting piece (2) is inserted into the pressure limiting boss (11) of the connecting part (1);
the connecting part (1) is arranged in the base body (3);
the output electrode connecting sheet (2) is tightly connected with the external bus (5).
2. The battery module output electrode connecting device according to claim 1, wherein the connecting member (1) and the base body (3) are integrally provided or the connecting member (1) is fastened to the base body (3).
3. The battery module output electrode connecting device according to claim 1, wherein the connecting member (1) includes a support base (12) and a pressure limiting boss (11) provided on the support base (12), wherein:
the supporting surface (121) of the supporting table (12) is higher than the mounting surface of the base body (3);
the outer diameter of the support platform (12) is larger than that of the pressure limiting boss (11).
4. The battery module output electrode connecting device according to claim 3, wherein the external connection hole (21) is provided on an output electrode tab mounting surface (22) of the output electrode tab (2);
the external connecting hole (21) is sleeved on the pressure limiting boss (11);
the output electrode connecting sheet mounting surface (22) is attached to the support surface (121).
5. The battery module output electrode connecting device according to claim 1, wherein the upper plane (111) of the voltage limiting boss and the output electrode tab mounting surface (22) are flush with or lower than the output electrode tab mounting surface (22).
6. The battery module output electrode connecting device according to claim 1, wherein a groove is formed in the periphery of the connecting member (1), a receiving portion for receiving the connecting member (1) is formed in the base body (3), a protrusion matched with the groove is formed in the inner wall of the receiving portion, and the connecting member (1) and the base body (3) are fixedly connected through the matching of the groove and the protrusion.
7. The battery module output electrode connecting device according to claim 1, wherein the output electrode connecting piece (2) is made of a conductive material having weldability with the material of the battery post.
8. The battery module output electrode connecting device according to claim 1, wherein a first fastening member is arranged inside the connecting member (1), and the output electrode connecting piece (2) and the external bus bar (5) are fixed by pre-tightening force between the first fastening member and the second fastening member.
9. The battery module output pole connecting device according to claim 8, wherein the first fastening member includes a threaded hole and the second fastening member includes a bolt or a screw.
10. The battery module output electrode connecting device according to claim 1, further comprising a support base (4), wherein the base body (3) is disposed on the support base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020827386.4U CN212182445U (en) | 2020-05-18 | 2020-05-18 | Battery module output pole connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020827386.4U CN212182445U (en) | 2020-05-18 | 2020-05-18 | Battery module output pole connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212182445U true CN212182445U (en) | 2020-12-18 |
Family
ID=73774699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020827386.4U Active CN212182445U (en) | 2020-05-18 | 2020-05-18 | Battery module output pole connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212182445U (en) |
-
2020
- 2020-05-18 CN CN202020827386.4U patent/CN212182445U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Ruipu Lanjun Energy Co.,Ltd. Patentee after: Shanghai ruipuqing innovative energy Co., Ltd Address before: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee before: RUIPU ENERGY Co.,Ltd. Patentee before: Shanghai ruipuqing innovative energy Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |