CN213124680U

CN213124680U - Square battery integration mechanism and square battery

Info

Publication number: CN213124680U
Application number: CN202021309069.XU
Authority: CN
Inventors: 吴施荣; 宋振武; 王兵兵; 覃克贵
Original assignee: Anhui Lvwo Recycling Energy Technology Co Ltd
Current assignee: Anhui Lvwo Recycling Energy Technology Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-05-04
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a square battery integration mechanism, which comprises a rectangular strip-shaped integration plate; the middle part of the integrated board along the long side direction of the rectangle is provided with a collecting board groove which is used for fixing a collecting circuit board of the square battery; a plurality of bus bar grooves arranged along the long edge direction of the integrated plate are formed in both sides of the collecting plate groove, and each bus bar groove is provided with two tab holes penetrating through the bottom wall of the bus bar groove; the lateral wall of the relative both sides in every busbar groove all is equipped with the spacing muscle that is used for fixing the busbar of fixed square battery in the busbar groove. The utility model discloses saved assembly disassembly time in assembling process, improved assembly efficiency, reduced the assembly degree of difficulty, can realize automatic, modularization assembly.

Description

Square battery integration mechanism and square battery

[ technical field ] A method for producing a semiconductor device

The utility model relates to a square battery technical field especially relates to a square battery integrated mechanism and square battery.

[ background of the invention ]

With the increasing severity of energy situation, people's environmental awareness is gradually strengthened, and new energy devices such as electric vehicles are increasingly receiving attention of the whole society, so continuous development and improvement of batteries and power supply systems for electric vehicles are brought about. Square battery compares cylinder monomer and has higher integrated efficiency, energy density and capacity, because its shape rule, it is simpler to compare cylinder electricity core in groups structure, and it is easy relatively to be in groups, and space utilization is higher, and it is also higher to correspond to in groups efficiency and energy density.

However, in the assembly process of the existing square battery, the electric connection of the tabs and the assembly of the collecting plate have the defects of complexity, poor assembly precision, low production efficiency and the like. Secondly, the electric connection of the current square battery tab is fixed with the acquisition circuit board respectively, and the connection is realized by screws, so that the time is consumed during the independent assembly and disassembly. Finally, the existing tab is electrically connected and fixed with the collecting plate, and needs to be fixed in sequence in the assembling process, so that some interference can be generated, and the assembling difficulty is increased.

Accordingly, it is desirable to provide a prismatic battery integrated mechanism and a prismatic battery that overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a square battery integrated mechanism and square battery aims at improving the problem that the assembly process of current square battery's utmost point ear and collection board is comparatively complicated, the precision is relatively poor and production efficiency is low, improves assembly efficiency, reduces the assembly degree of difficulty.

In order to achieve the above object, one aspect of the present invention provides a square battery integration mechanism, which includes an integration plate in the shape of a rectangular strip; the middle part of the integrated board along the long side direction of the rectangle is provided with a collecting board groove, and the collecting board groove is used for fixing a collecting circuit board of the square battery; a plurality of bus bar grooves arranged along the long edge direction of the integrated plate are formed in both sides of the collecting plate groove, and each bus bar groove is provided with two tab holes penetrating through the bottom wall of the bus bar groove; the lateral walls of two opposite sides of each bus bar groove are provided with limiting ribs for fixing the bus bars of the fixed square batteries in the bus bar grooves.

In a preferred embodiment, the bus bar grooves on two sides of the collecting plate groove are arranged in a staggered manner, and two tab holes of each bus bar groove are flush with two tab holes of two bus bar grooves adjacent to the opposite side and close to each other.

In a preferred embodiment, both ends of the integrated board are respectively provided with a total positive preformed groove and a total negative preformed groove; the total positive preformed groove and the total negative preformed groove are respectively arranged at two sides of the collecting plate groove and are respectively and correspondingly provided with a total positive lug hole and a total negative lug hole.

In a preferred embodiment, the total positive ear hole and the total negative ear hole are respectively located on the straight line of the arrangement of the pole ear holes on two sides of the collecting plate groove.

In a preferred embodiment, the total positive ear hole is flush with the opposite side of the tab hole located closest to the end of the total positive ear hole; the total negative pole ear hole is flush with the lug hole which is located at the end, closest to the total negative pole ear hole, of the opposite side.

In a preferred embodiment, the bottom wall of the collecting plate groove is provided with a plurality of heat dissipation holes.

In a preferred embodiment, the integration plate is provided with a plurality of lightening holes.

In a preferred embodiment, all the lightening holes are symmetrically arranged at two sides of the collecting plate slot and are respectively arranged on the same straight line.

Another aspect of the present invention provides a square battery, including a plurality of square battery cells and a square battery integration mechanism as described above; and a pair of tabs of each square battery cell are respectively and electrically connected to the two tab holes positioned at two sides of the collecting plate groove.

The utility model discloses a predetermine collection board groove and the piece groove that converges on the integrated board, the piece that converges passes through spacing muscle block at the piece inslot that converges, will be fixed in the collection board in collection board groove again and converge the piece and carry out the electricity and be connected, has realized the integration of collection board and the piece assembly that converges, at last with the integrated board after the integration and square electric core assembly. The assembling and disassembling time is saved in the assembling process, the assembling efficiency is improved, the assembling difficulty is reduced, and automatic and modular assembling can be realized.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an enlarged perspective view of a square battery integration mechanism and a bus bar slot provided by the present invention;

FIG. 2 is an exploded view of the integrated square battery mechanism of FIG. 1 assembled with a bus plate and a collection plate;

FIG. 3 is a perspective view of the assembled square battery integration mechanism of FIG. 1 with a bus bar and a collection plate;

fig. 4 is an exploded view of the square battery integration mechanism of fig. 1 assembled with a square cell.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

An aspect of the present invention is to provide a square battery integration mechanism 100 for fixing the bus board 201 and the collecting board 202 of the square battery in advance, assembling with the square battery cell 200, and improving the assembling efficiency.

As shown in fig. 1-3, the rectangular battery integration mechanism 100 includes a strip-shaped integration board 10, and for convenience of automation and modularization, the integration board 10 is a rectangular thin board made of an insulating material, such as plastic, and is used to connect a bus bar 201 of a rectangular battery with a collection board 202. Wherein. The bus bar 201 and the collecting plate 202 are electrically connected by laser welding. The middle part of integrated board 10 along the long limit direction of rectangle has seted up gathers board groove 11, gathers the middle part that board groove 11 locates integrated board 10 in parallel promptly. The collection plate groove 11 is used for fixing the collection plate 202 of the square battery, and the collection plate 202 can be clamped in the collection plate groove 11 to be fixed through the collection plate.

Gather the both sides of board groove 11 and all seted up a plurality of bus bar grooves 12 of arranging along the long limit direction of integrated board 10, every bus bar groove 12 all sets up two utmost point ear holes 121 that run through bus bar groove 12 diapire. All the bus bar grooves 12 are divided into two parts, and are respectively arranged on a straight line on two sides of the collecting plate groove 11, that is, the lug holes 121 are arranged in two rows on two sides of the integration plate 10. The side walls of the opposite sides of each bus bar groove 12 are provided with limiting ribs 122 for fixing the bus bars 201 of the rectangular batteries in the bus bar grooves 12. Wherein, as shown in the partial enlarged portion in fig. 1, the limiting rib 122 is a protruding structure extending into the bus bar groove 12, and a bus bar 201 is fixed in the bus bar groove 12 by means of clamping, so that the conventional screw fixing process is omitted, the efficiency is improved during assembly, and the difficulty is reduced.

Further, in one embodiment, the bus bar grooves 12 on both sides of the collecting plate groove 11 are staggered with each other, and the two pole lug holes 121 of each bus bar groove 12 are respectively flush with the two pole lug holes 121 of the two bus bar grooves 12 adjacent to the opposite side. For example, one bus bar slot 12 is divided into two parts of the same size, each part including one lug hole 121; each of the bus bar grooves 12 has a portion aligned with a portion of the opposite one of the bus bar grooves 12 and another portion aligned with a portion of the opposite other of the bus bar grooves 12, and at this time, the aligned portions of the opposite two of the bus bar grooves 12 are close to each other. The two flush tab holes 121 are electrically connected to two tabs of one square battery cell, respectively, so that the bus bars 201 in each bus bar slot 12 are used to connect two adjacent square battery cells 200 in series.

Furthermore, a total positive preformed groove 13 and a total negative preformed groove 14 are respectively arranged at two ends of the integrated board 10; the total positive preformed groove 13 and the total negative preformed groove 14 are respectively disposed on two sides of the collecting plate groove 11 and respectively provided with a total positive ear hole 131 and a total negative ear hole 141. It can be understood that when the bus bar slots 12 are arranged in a staggered manner, one tab hole 121 of each of the two rows of tab holes 121 on both sides of the collecting plate slot 11 is not flush with the tab hole 121 on the opposite side. At this time, the total positive electrode lug hole 131 and the total negative electrode lug hole 141 are respectively arranged in the parts corresponding to the parallel and level missing, that is, the total positive electrode lug hole 131 is parallel and level with the electrode lug hole 121 located at the end closest to the total positive electrode lug hole 131 on the opposite side, and the total negative electrode lug hole 141 is parallel and level with the electrode lug hole 121 located at the end closest to the total negative electrode lug hole 141 on the opposite side, so that two columns of symmetrical via hole structures are formed. The total positive pole lug hole 131 and the total negative pole lug hole 141 are respectively and correspondingly located on the straight line of the arrangement of the lug holes 121 on the two sides of the collecting plate groove 11, so that the total positive pole and the total negative pole of the whole square battery can be conveniently led out and fixed.

Further, in an embodiment, the bottom wall of the collecting plate slot 11 is provided with a plurality of heat dissipating holes 111, so as to dissipate the heat generated by the collecting plate 202 through the heat dissipating holes 111, and reduce the weight of the whole integrated plate 10.

Further, in one embodiment, the integration plate 10 is provided with a plurality of lightening holes 15, so that the weight of the integration plate 10 is reduced, and the processing cost is saved. Furthermore, all the lightening holes 15 are symmetrically arranged on both sides of the collecting plate slot 11 and are respectively arranged on the same straight line, in this embodiment, the lightening holes 15 on both sides are arranged between the collecting plate slot 11 and the bus bar slot 12, which is convenient for automatic production and processing.

Another aspect of the present invention provides a square battery, which includes a plurality of square battery cells 200 and the square battery integration mechanism 100 as described in any one of the above. As shown in fig. 4, a pair of tabs of each square battery cell 200 are electrically connected to two tab holes 121 located on two sides of the collecting plate slot 11.

To sum up, the utility model discloses a predetermine collection board groove 11 and the piece groove 12 that converges on integrated board 10, the piece 201 that converges is through spacing muscle 122 block in the piece groove 12 that converges, and the collection board 202 that will be fixed in collection board groove 11 again carries out the electricity with the piece 201 that converges and is connected, has realized the integration of collection board 202 and the piece 201 assembly that converges, and integrated board 10 after the final integration assembles with square electric core 200. The assembling and disassembling time is saved in the assembling process, the assembling efficiency is improved, the assembling difficulty is reduced, and automatic and modular assembling can be realized.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A square battery integration mechanism is characterized by comprising a rectangular strip-shaped integration plate; the middle part of the integrated board along the long side direction of the rectangle is provided with a collecting board groove, and the collecting board groove is used for fixing a collecting circuit board of the square battery; a plurality of bus bar grooves arranged along the long edge direction of the integrated plate are formed in both sides of the collecting plate groove, and each bus bar groove is provided with two tab holes penetrating through the bottom wall of the bus bar groove; the lateral walls of two opposite sides of each bus bar groove are provided with limiting ribs for fixing the bus bars of the fixed square batteries in the bus bar grooves.

2. The prismatic battery integration mechanism according to claim 1, wherein said bus bar slots on both sides of said collector plate slot are staggered, and two tab holes of each said bus bar slot are flush with two adjacent tab holes of two said bus bar slots on opposite sides.

3. The square battery integration mechanism as claimed in claim 1, wherein the two ends of the integration plate are respectively provided with a total positive preformed groove and a total negative preformed groove; the total positive preformed groove and the total negative preformed groove are respectively arranged at two sides of the collecting plate groove and are respectively and correspondingly provided with a total positive lug hole and a total negative lug hole.

4. The prismatic battery integrated mechanism according to claim 3, wherein the total positive ear hole and the total negative ear hole are respectively located on the straight line of the arrangement of the pole ear holes at the two sides of the collecting plate groove.

5. The prismatic battery integrated mechanism according to claim 4, wherein said total positive ear aperture is flush with said tab aperture located opposite an end of said total positive ear aperture closest to said total positive ear aperture; the total negative pole ear hole is flush with the lug hole which is located at the end, closest to the total negative pole ear hole, of the opposite side.

6. The prismatic battery integrated mechanism according to claim 1, wherein the bottom wall of the collection plate groove is provided with a plurality of heat dissipation holes.

7. The prismatic battery integration mechanism of claim 1, wherein the integration plate is provided with a plurality of lightening holes.

8. The prismatic battery integrated mechanism according to claim 7, wherein all the lightening holes are symmetrically arranged on both sides of the collecting plate slot and are respectively arranged on the same straight line.

9. A prismatic battery comprising a plurality of prismatic cells and a prismatic battery integration mechanism as claimed in any one of claims 1 to 8; and a pair of tabs of each square battery cell are respectively and electrically connected to the two tab holes positioned at two sides of the collecting plate groove.