CN211759182U - Battery cell tab fixing mechanism - Google Patents
Battery cell tab fixing mechanism Download PDFInfo
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- CN211759182U CN211759182U CN202020017498.3U CN202020017498U CN211759182U CN 211759182 U CN211759182 U CN 211759182U CN 202020017498 U CN202020017498 U CN 202020017498U CN 211759182 U CN211759182 U CN 211759182U
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- utmost point
- copper
- point ear
- groove
- welding
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Abstract
The utility model provides an electricity core utmost point ear fixed establishment, include the group battery and establish epoxy plate on the group battery, be equipped with a plurality of utmost point ear grooves on the epoxy plate, utmost point ear groove corresponds electrode position in the group battery, be equipped with a plurality of copper on the epoxy plate, the copper with be equipped with a plurality of rivets of pressing between the epoxy plate, be equipped with a plurality of copper plate grooves on the copper, the copper plate groove with utmost point ear groove one-to-one, the upper and lower both sides of copper correspond respectively and are equipped with one utmost point ear groove, both sides about the copper utmost point ear groove with be equipped with electric core utmost point ear between the copper plate groove, electric core utmost point ear both sides are equipped with utmost point ear welding limit, utmost point ear welding limit welds respectively utmost point ear groove with the copper plate inslot, the copper plate groove with utmost point ear inslot all is equipped with the welding line, the welding line corresponds utmost point ear welding. The utility model discloses the installation is simple, connects reliably, and the internal resistance is little, and calorific capacity is low, and the processing cost is low.
Description
Technical Field
The utility model belongs to the technical field of utmost point ear is fixed, concretely relates to electricity core utmost point ear fixed establishment.
Background
The method for welding the battery cell lug is a process which is very important in the battery industry, the fixing mode of the battery cell lug in the process is more important, and particularly for a power battery pack, the problem that the charging and discharging efficiency of the power battery pack is directly influenced by the serial-parallel connection mode and the fixing mode of the battery cell, and more importantly, the safety problem of human bodies and property is solved, so that the selection of the lug welding and fixing mode is very important.
The commonly used fixing mode is to fixedly weld the lug through manganese steel by using a screw, but the welding process between the manganese steel and the battery cell is complex, the position precision is low, the lug only clings to the manganese steel, the internal resistance is increased after a long time, the heat productivity is extremely high, and the processing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electricity core utmost point ear fixed establishment, the installation is simple, connects reliably, and the internal resistance is little, and calorific capacity is low, and the processing cost is low.
The utility model provides a following technical scheme:
the utility model provides an electricity core utmost point ear fixed establishment, includes the group battery and establishes epoxy plate on the group battery, be equipped with a plurality of utmost point ear grooves on the epoxy plate, utmost point ear groove corresponds electrode position in the group battery, be equipped with a plurality of copper on the epoxy plate, the copper with be equipped with a plurality of rivets of pressing between the epoxy plate, be equipped with a plurality of copper plate grooves on the copper, the copper plate groove with utmost point ear groove one-to-one, the upper and lower both sides of copper correspond respectively and are equipped with one utmost point ear groove, both sides about the copper utmost point ear groove with be equipped with electric core utmost point ear between the copper plate groove, electric core utmost point ear both sides are equipped with utmost point ear welding limit, utmost point ear welding limit welds respectively utmost point ear groove with the copper plate inslot, the copper plate groove with utmost point ear inslot all is equipped with the welding line, the welding line corresponds.
Preferably, the tab welding edge is a bending edge, the bending edge is welded in the tab groove on one side, and the bending edge is welded in the copper plate groove on the other side.
Preferably, the tab slots are arranged in parallel with each other.
Preferably, a plurality of positioning holes are further formed in the epoxy plate, a plurality of positioning bolts are arranged on the copper plate, and the copper plate is fixedly connected with the positioning holes in an inserting matching mode through the positioning bolts.
Preferably, the press rivet is nylon.
Preferably, the welding is performed by a laser welding machine.
The utility model has the advantages that: the fixing mechanism is simple to install, the battery core lug and the copper plate are directly welded, the connection is reliable, the internal resistance is small, and the heat productivity is low; effectively reduce weight, reduce manufacturing cost, promote production efficiency by a wide margin.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
labeled as: 1. a battery pack; 2. an epoxy board; 21. a lug groove; 3. a copper plate; 31. a copper plate groove; 311. welding wires; 32. pressing the rivet; 33. positioning a bolt; 4. a battery core tab; 41. and welding edges of the lugs.
Detailed Description
As shown in fig. 1 and 2, a battery cell tab fixing mechanism includes a battery pack 1 and an epoxy plate 2 disposed on the battery pack 1, wherein a plurality of tab slots 21 are disposed on the epoxy plate 2, and the tab slots 21 are disposed in parallel to each other, thereby facilitating welding. The polar lug groove 21 corresponds to the position of an inner electrode of the battery pack 1, the epoxy plate 2 is provided with a plurality of copper plates 3, the epoxy plate 2 is further provided with a plurality of positioning holes, the copper plates 3 are provided with a plurality of positioning bolts 33, and the copper plates 3 are fixedly connected with the positioning holes in an inserting and matching manner through the positioning bolts 33. Be equipped with a plurality of press rivets 32 between copper 3 and the epoxy 2, press rivet 32 to be nylon and press rivet, and fixed mode is simple, and easy operation harms the copper possibility little. Be equipped with a plurality of copper plate grooves 31 on copper 3, copper groove 31 and utmost point ear groove 21 one-to-one, the upper and lower both sides of copper 3 correspond respectively and are equipped with an utmost point ear groove 21, are equipped with electric core utmost point ear 4 between the utmost point ear groove 21 of copper 3 upper and lower both sides and the copper groove 31, and electric core utmost point ear 4 both sides are equipped with utmost point ear welding limit 41, and utmost point ear welding limit 41 welds respectively in utmost point ear groove 21 and copper groove 31, and the welding adopts the laser-beam welding machine to weld, improves the precision. The tab welding edge 41 is a bending edge, one side of the bending edge is welded in the tab groove 21, and the other side of the bending edge is welded in the copper plate groove 31. Welding lines 311 are arranged in the copper plate grooves 31 and the lug grooves 21, and the welding lines 311 correspond to the lug welding edges 41.
As shown in fig. 1 and 2, in the use process of the battery cell tab fixing mechanism, the copper plate 3 is fixed on the epoxy plate 2 by using the pressing rivet, the battery cell tab 4 is welded in the tab groove 21 and the copper plate groove 31 along the welding line 311 by using the laser welding machine, the battery cell tab 4 is in direct contact with the copper plate 3, the connection is reliable, the internal resistance is small, the heat productivity is low, the weight fixed by using the screw is effectively reduced, the manufacturing cost is reduced, and the production efficiency is greatly improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A battery core tab fixing mechanism is characterized by comprising a battery pack and an epoxy plate arranged on the battery pack, a plurality of polar lug grooves are arranged on the epoxy plate, the polar lug grooves correspond to the positions of the electrodes in the battery pack, a plurality of copper plates are arranged on the epoxy plate, a plurality of press rivets are arranged between the copper plates and the epoxy plate, the copper plate is provided with a plurality of copper plate grooves, the copper plate grooves correspond to the lug grooves one by one, the upper side and the lower side of the copper plate are respectively provided with the lug grooves correspondingly, an electric core lug is arranged between the lug grooves on the upper side and the lower side of the copper plate and the copper plate groove, lug welding edges are arranged on two sides of the electric core lug, the utmost point ear welding limit welds respectively utmost point ear groove with the copper sheet inslot, the copper sheet groove with utmost point ear inslot all is equipped with the welding line, the welding line corresponds utmost point ear welding limit.
2. The battery cell tab fixing mechanism according to claim 1, wherein the tab welding edge is a bent edge, the bent edge is welded in the tab groove on one side, and the bent edge is welded in the copper plate groove on the other side.
3. The cell tab fixing mechanism according to claim 1, wherein the tab slots are arranged in parallel with each other.
4. The battery cell tab fixing mechanism according to claim 1, wherein the epoxy plate is further provided with a plurality of positioning holes, the copper plate is provided with a plurality of positioning pins, and the copper plate is fixedly connected with the positioning holes in an inserting matching manner through the positioning pins.
5. The battery cell tab fixing mechanism of claim 1, wherein the press rivet is nylon.
6. The battery tab fixing mechanism of claim 1, wherein the welding is performed by a laser welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017498.3U CN211759182U (en) | 2020-01-06 | 2020-01-06 | Battery cell tab fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017498.3U CN211759182U (en) | 2020-01-06 | 2020-01-06 | Battery cell tab fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211759182U true CN211759182U (en) | 2020-10-27 |
Family
ID=72887952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020017498.3U Active CN211759182U (en) | 2020-01-06 | 2020-01-06 | Battery cell tab fixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211759182U (en) |
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2020
- 2020-01-06 CN CN202020017498.3U patent/CN211759182U/en active Active
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