CN212571257U - Nickel strap with separated structure and balanced spot welding current - Google Patents
Nickel strap with separated structure and balanced spot welding current Download PDFInfo
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- CN212571257U CN212571257U CN202021191415.9U CN202021191415U CN212571257U CN 212571257 U CN212571257 U CN 212571257U CN 202021191415 U CN202021191415 U CN 202021191415U CN 212571257 U CN212571257 U CN 212571257U
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- nickel strap
- spot welding
- welding
- strap body
- welding current
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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
Abstract
The utility model relates to a nickel strap with balanced spot welding electric current of disconnect-type structure, including the nickel strap body, set up a plurality of welding holes corresponding with the position of each electric core of group battery on the nickel strap body, all be equipped with the weld part with the dislocation about the nickel strap body in every welding hole, the splitter box has been seted up at the middle part of weld part. The utility model discloses structural design is simple, reasonable, through designing every weld part into upper and lower dislocation with the nickel strap body, every electric core weld part designs into the isotructure promptly to design the same splitter box structure, the spot welding current of every electric core is unanimous when guaranteeing spot welding, spot welding current is unanimous, guarantees the reliability of spot welding, can not have the phenomenon of rosin joint.
Description
The technical field is as follows:
the utility model relates to a nickel strap with balanced spot welding current of disconnect-type structure.
Background art:
the current battery pack nickel strap adopts the integral structure design, utilizes the shunting groove as the effect of stabilizing the spot welding current, and the battery pack nickel strap with the structure has the following defects:
(1) due to the whole structure design, when the electric core is subjected to spot welding, the spot welding current can disperse the current through the connecting part, and the areas of the nickel strips of the middle electric core and the edge electric core are different, so that the consistency of the spot welding current of each electric core cannot be ensured, and the defects of insufficient welding and the like during spot welding are caused;
(2) by adopting the design of the splitter box, the problem that the current is dispersed still cannot be solved by adjusting the shape of the splitter box, the spot welding current can disperse the current through a connecting part, or the defects of insufficient welding and the like during spot welding can be caused;
(3) the integral structure design causes the increase of spot welding current, the spot welding needle generates heat, the loss is serious, and the long-time continuous spot welding cannot be carried out.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a nickel strap that has balanced spot welding electric current of disconnect-type structure is provided.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a nickel strap with balanced spot welding current of disconnect-type structure, includes the nickel strap body, set up a plurality of welding holes corresponding with the position of each electric core of group battery on the nickel strap body, all be equipped with the weld part with the dislocation about the nickel strap body in every welding hole, the splitter box has been seted up at the middle part of weld part.
Further, the welding part is connected with the nickel strap body through a vertical connecting part.
Furthermore, the welding hole is D-shaped, and the connecting part is connected to the straight edge of the welding hole.
Furthermore, the nickel strap body, the welding part and the connecting part are integrally formed.
Furthermore, the nickel strap body comprises a plurality of strip-shaped nickel strap monomers which are distributed side by side, and two adjacent nickel strap monomers are separated by a wavy separation groove.
Compared with the prior art, the utility model discloses following effect has: the utility model discloses structural design is simple, reasonable, through designing every weld part into upper and lower dislocation with the nickel strap body, every electric core weld part designs into the isotructure promptly to design the same splitter box structure, the spot welding current of every electric core is unanimous when guaranteeing spot welding, spot welding current is unanimous, guarantees the reliability of spot welding, can not have the phenomenon of rosin joint.
Description of the drawings:
fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a nickel strap unit according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a nickel strap unit according to an embodiment of the present invention;
fig. 4 is a schematic view of a usage state of the embodiment of the present invention;
FIG. 5 is an exploded view of FIG. 4;
fig. 6 is a schematic view of the top configuration of fig. 4.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "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 merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-6, the utility model relates to a nickel strap with balanced spot welding current of disconnect-type structure, including nickel strap body 1, set up a plurality of welding holes 2 corresponding with the position of each electric core of group battery on the nickel strap body 1, all be equipped with the weld part 3 with dislocation from top to bottom in every welding hole 2 with nickel strap body 1, the splitter box 4 has been seted up at the middle part of weld part 3. Through designing into dislocation from top to bottom every welding part 3 and nickel strap body 1, every welding part 3 designs into the same structure promptly to design the same splitter box 4 structure, the path of the spot welding current of every electric core is unanimous when guaranteeing the spot welding, the spot welding current is unanimous, guarantees the reliability of spot welding, does not have the phenomenon of rosin joint.
In this embodiment, the welding portion 3 is parallel to the nickel strap body 1, and the welding portion 3 is connected to the nickel strap body 1 via the vertical connecting portion 5.
In this embodiment, the welding hole 2 is D-shaped, and the connecting portion 5 is connected to a straight edge of the welding hole 2.
In this embodiment, the nickel strap body 1, the welding portion 3, and the connecting portion 5 are integrally formed.
In this embodiment, the welding portion 3 has a flat plate-shaped structure, and the welding portion 3 is divided into a left welding portion and a right welding portion which are bilaterally symmetrical via the diversion trench 4.
In this embodiment, the nickel strap body 1 includes a plurality of strip-shaped nickel strap monomers 6 that are distributed side by side, and a plurality of nickel strap monomers are relatively independent, also all are the platelike structure, separate through wavy separating groove 16 between two adjacent nickel strap monomers and come.
In this embodiment, in order to guarantee that the battery pack is in the spot welding, the spot welding current of the welding portion and the positive electrode or the negative electrode end of the battery cell does not need to be too large, thereby reducing the heat generation of the spot welding needle, prolonging the service life of the spot welding needle, and improving the spot welding efficiency.
In this embodiment, when in use, the nickel strap body 1 is disposed at both the top and the bottom of the battery pack support 7, wherein the battery pack support 7 includes an upper support 8 and a lower support 9 disposed in parallel, an upper fixing seat 10 is disposed at the bottom of the upper support 8, and a plurality of upper receiving holes corresponding to positions of each electric core of the battery pack 11 are disposed at the bottom surface of the upper fixing seat 10; the top of lower carriage 9 is equipped with lower fixing base 12 that is used for with last fixing base 10 relative lock, be equipped with on the top surface of lower fixing base 12 with a plurality of lower accommodation holes 13 that go up the corresponding position of accommodation hole, lower accommodation hole 13 forms the battery accommodation hole that week side is closed and be used for holding electric core with lower accommodation hole lock, and the battery accommodation hole is matrix type distribution or honeycomb distribution. Through a plurality of accommodation holes of going up and the cooperation of lower accommodation hole form a plurality of relatively independent battery accommodation hole, this battery accommodation hole is because from all sides side direction cladding electricity core completely, so the battery accommodation hole is full package structure, makes the high electric core of temperature pass through the fixing base with heat transfer to adjacent electric core, realizes the balance of group battery temperature. A plurality of upper fixing holes 14 which correspond to the positions of the upper accommodating holes and are used for fixing the positive end of the battery cell are arranged on the upper bracket 8; and a plurality of lower fixing holes corresponding to the positions of the lower accommodating holes and used for fixing the cathode end of the battery cell are formed in the lower support 9. The nickel strap body is located at the top of the battery pack support, the welding portion and the positive pole end of the battery cell are subjected to spot welding through the upper fixing hole, the nickel strap body is located at the bottom of the battery pack support, and the welding portion and the negative pole end of the battery cell are subjected to spot welding through the lower fixing hole.
In this embodiment, the top surface of the upper bracket 8 and the top surface of the lower bracket 9 are provided with wavy ribs 15 for cooperating with wavy separation grooves 16.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (5)
1. A nickel strap with a balanced spot welding current of a split configuration, characterized in that: including the nickel strap body, set up a plurality of welding holes corresponding with the position of each electric core of group battery on the nickel strap body, all be equipped with the weld part with the dislocation about the nickel strap body in every welding hole, the splitter box has been seted up at the middle part of weld part.
2. The nickel strap with balanced spot welding current in a separated structure according to claim 1, wherein: the welding part is connected with the nickel strap body through the vertical connecting part.
3. The nickel strap with balanced spot welding current in a separated structure according to claim 2, wherein: the welding hole is D-shaped, and the connecting part is connected to the straight edge of the welding hole.
4. The nickel strap with balanced spot welding current in a separated structure according to claim 2, wherein: the nickel strap body, the welding part and the connecting part are integrally formed.
5. The nickel strap with balanced spot welding current in a separated structure according to claim 1, wherein: the nickel strap body comprises a plurality of strip-shaped nickel strap monomers which are distributed side by side, and two adjacent nickel strap monomers are separated by a wavy separation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021191415.9U CN212571257U (en) | 2020-06-24 | 2020-06-24 | Nickel strap with separated structure and balanced spot welding current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021191415.9U CN212571257U (en) | 2020-06-24 | 2020-06-24 | Nickel strap with separated structure and balanced spot welding current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571257U true CN212571257U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021191415.9U Active CN212571257U (en) | 2020-06-24 | 2020-06-24 | Nickel strap with separated structure and balanced spot welding current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212571257U (en) |
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2020
- 2020-06-24 CN CN202021191415.9U patent/CN212571257U/en active Active
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