CN218160458U

CN218160458U - Super-capacity lead-carbon energy storage battery splicing type positive grid

Info

Publication number: CN218160458U
Application number: CN202221361536.2U
Authority: CN
Inventors: 严彩侠; 刘伟; 孙坤; 邵立仁; 安宁; 陈卫方
Original assignee: Shandong Xinxu Group Co ltd
Current assignee: Shandong Xinxu Group Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-12-27
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a positive grid of plumbous charcoal energy storage battery concatenation formula of super large capacity belongs to battery production technology field. Including mass flow strip and grid, the grid is the setting of square strip, equidistance parallel arrangement between the grid, grid one end is fixed on the mass flow strip, the grid includes positive grid front end and positive grid rear end, the one end of positive grid rear end is connected to the one end of positive grid front end, it is protruding to be equipped with the bridge type on positive grid front end and the positive grid rear end, the many problems of the production manufacturing defect of super large capacity positive grid have been solved, can adjust the front end of positive grid and the length of rear end according to the requirement of battery production, the big or small scope of preparation positive grid is bigger.

Description

Super-capacity lead-carbon energy storage battery splicing type positive grid

Technical Field

The utility model relates to a positive grid of plumbous carbon energy storage battery concatenation formula of super capacity belongs to battery production technology field.

Background

The lead-carbon battery has been the key development direction of energy storage projects due to the advantages of high safety and high reliability of the lead-carbon battery without combustible materials, but the development of the ultra-large capacity pure lead-carbon battery is urgent because the lead-carbon battery is mainly used for small energy storage systems due to low capacity density. The positive plate grid of the ultra-large capacity pure lead-carbon battery needs large injection pressure during processing because of the large quantity, long length and thin diameter of lead ribs, but the positive plate grid manufactured by the injection process mode has high qualification rate and low efficiency. The prior art has the following technical defects: the positive plate grid of the ultra-large capacity pure lead-carbon battery needs large injection pressure during processing because of a large number of lead bars, long length and thin diameter, but the positive plate grid manufactured by an injection process mode has high qualification rate and low efficiency.

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the spliced positive grid of the ultra-large capacity lead-carbon energy storage battery is provided, and a positive machine grid process mode meeting the use requirements of the ultra-large capacity pure lead-carbon battery is provided in the production process of the ultra-large capacity pure lead-carbon battery.

SUMMERY OF THE UTILITY MODEL

Lead carbon energy storage battery concatenation formula positive grid of super large capacity, including mass flow strip and grid, the grid is square bar shape setting, equidistance parallel arrangement between the grid, grid one end is fixed on the mass flow strip, the grid includes positive grid front end and positive grid rear end, the one end of positive grid rear end is connected to the one end of positive grid front end, it is protruding to be equipped with the bridge type on positive grid front end and the positive grid rear end.

Working process or working principle:

after the front end of the positive plate grid is cut according to the required length, the front end of the positive plate grid is placed in a tool manufactured according to the shape and the length of the plate grid, then the rear end of the positive plate grid is cut according to the required length, the cut positive plate grid is placed in the tool after being cut, the front end and the rear end of the positive plate grid in the tool are adjusted, each plate grid can be aligned and coincided, manual welding is carried out after the tool is fixed, and the plate grid welded part can be taken out for use after being cooled.

The joint of the front end of the positive plate grid and the rear end of the positive plate grid is welded, the positive plate grid is welded in a splicing and welding mode, and the defect that the super-large positive plate grid is manufactured by the injection molding manufacturing process is overcome.

One end of the upper part of the collector bar is provided with a trapezoidal tab, so that the contact area is larger during later use, and the use efficiency is higher.

The outer side of the trapezoidal lug is provided with a transition fillet, so that the lug is more convenient to process, and the stress concentration of the corner part is reduced.

The inner side of the trapezoidal tab is provided with a trapezoidal platform. Increase contact area, promote the gathering ability of electric current, improve the efficiency of use.

Transition arcs are arranged on the inner side surface and the bottom surface of the trapezoidal tab.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses use and assemble welded preparation process mode, solved the many problems of production manufacturing defect of super large capacity positive grid, can adjust the front end of positive grid and the length of rear end according to the requirement of battery production, the big or small scope of preparation positive grid is bigger.

Drawings

Fig. 1 is one of the schematic structural diagrams of embodiment 1 of the present invention;

fig. 2 is a second schematic structural diagram of embodiment 1 of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1

In the figure: 1. a grid; 2. a collector bar; 3. a trapezoidal tab;

11. the front end of a positive grid; 12. the rear end of a positive grid; 13. a welding point; 14. a bridge-type protrusion.

Detailed Description

Example 1

As shown in fig. 1-fig. 3, super large capacity lead-carbon energy storage battery concatenation formula positive grid, including mass flow bar 2 and grid 1, grid 1 is square bar setting, the grid 1 of square design, equidistance parallel arrangement between the grid 1, grid 1 one end is fixed on mass flow bar 2, grid 1 includes positive grid front end 11 and positive grid rear end 12, the one end of positive grid rear end 12 is connected to the one end of positive grid front end 11, is equipped with bridge type arch 14 on positive grid front end and the positive grid rear end. The quality of the positive plate grid can be better guaranteed through the fixed auxiliary welding of the tool, the problem that the production and manufacturing defects of the super-capacity positive plate grid are more is solved, the lengths of the front end and the rear end of the positive plate grid can be adjusted according to the requirements of battery production, and the size range of the manufactured positive plate grid is larger.

The joint of the front end 11 of the positive grid and the rear end 12 of the positive grid is welded to form a welding point 13 after welding, and the positive grid is welded in a splicing mode after splicing, so that the defect that the oversized positive grid is manufactured by an injection molding manufacturing process is overcome.

One end of the upper part of the current collecting bar 2 is provided with a trapezoidal pole lug 3, so that the current collecting capacity is improved, and the practical efficiency is improved.

The transition round angle is arranged on the outer side of the trapezoidal lug 3, so that the processing is more convenient, and the stress concentration of the corner part is reduced.

The inner side of the trapezoidal tab 3 is provided with a trapezoidal platform.

Transition arcs are arranged on the inner side surface and the bottom surface of the trapezoidal tab 3.

The front end 11 of the positive grid of the cut energy storage battery and the rear end 12 of the positive grid of the cut energy storage battery are spliced into a complete positive grid of the high-capacity lead-carbon energy storage battery in a splicing and welding mode, and the grid 1 is a positive grid.

Working process or working principle:

The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.

Claims

1. The utility model provides a lead carbon energy storage battery concatenation formula positive grid of super large capacity, including mass flow bar (2) and grid, a serial communication port, grid (1) sets up for square bar, equidistance parallel arrangement between grid (1), grid (1) one end is fixed on mass flow bar (2), grid (1) is including positive grid front end (11) and positive grid rear end (12), the one end of positive grid rear end (12) is connected to the one end of positive grid front end (11), be equipped with bridge type arch (14) on positive grid front end and the positive grid rear end.

2. The spliced positive grid of the ultra-large capacity lead-carbon energy storage battery according to claim 1, wherein the joint of the front end (11) of the positive grid and the rear end (12) of the positive grid is subjected to welding treatment.

3. The spliced positive grid of the ultra-large capacity lead-carbon energy storage battery according to claim 1, wherein one end of the upper part of the collector bar (2) is provided with a trapezoidal tab (3).

4. The spliced positive grid of the ultra-large capacity lead-carbon energy storage battery according to claim 3, wherein transition fillets are arranged on the outer sides of the trapezoidal lugs (3).

5. The spliced positive grid of the ultra-large capacity lead-carbon energy storage battery according to claim 3 or 4, wherein a trapezoidal table is arranged on the inner side of the trapezoidal tab (3).

6. The spliced positive grid of the ultra-large capacity lead-carbon energy storage battery as claimed in claim 5, wherein transition arcs are arranged on the inner side surface and the bottom surface of the trapezoidal tab (3).