CN112635775B

CN112635775B - High-conductivity structural grid

Info

Publication number: CN112635775B
Application number: CN202011542321.6A
Authority: CN
Inventors: 钦晓峰; 陈林; 汪章杰; 侍子强
Original assignee: Tianneng Battery Wuhu Co Ltd
Current assignee: Tianneng Battery Wuhu Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-12-10
Anticipated expiration: 2040-12-22
Also published as: CN112635775A

Abstract

The invention discloses a high-conductivity structural grid, and relates to the technical field of storage batteries. The invention comprises a grid frame body; an upper transverse rib and a lower transverse rib are connected between two vertical frames of the grid frame body; an upper area is enclosed between the upper transverse rib and the grid frame body; an upper grid which is uniformly distributed is formed in the upper area through a plurality of transverse ribs and vertical ribs; a lower area is formed by enclosing the lower transverse rib and the grid frame body, and the area of the lower area is twice of that of the upper area; a plurality of transverse ribs and vertical ribs form a lower grid which is uniformly distributed in the lower area; the middle parts of the upper transverse rib and the lower transverse rib are connected with a separation rib; two pairs of inclined ribs are connected between the upper transverse rib and the lower transverse rib; each pair of oblique ribs are distributed in an inverted V shape. According to the grid framework, the grid framework is divided into the upper area and the lower area which are different in size, and the upper area and the lower area are set into the upper grids and the lower grids which are uniformly distributed, so that the density of the upper grids of the grid framework is larger than that of the lower grids, the utilization rate uniformity of active substances is improved, and the current transmission uniformity and transmission efficiency are improved.

Description

High-conductivity structural grid

Technical Field

The invention belongs to the technical field of storage batteries, and particularly relates to a grid with a high-conductivity structure.

Background

The grid is one of the main components of the lead storage battery, the structure and the performance of the grid are one of the important factors for determining the performance of the lead storage battery, the grid of the polar plate in the prior art is mainly designed by rectangular grids, transverse ribs and vertical ribs are perpendicular to each other to form uniformly distributed grids, the design can enable the upper and lower utilization rates of active substances to be uniformly distributed, and the utilization rate of the active substances is further improved.

However, in the current conduction process, the current of the vertical rib close to the pole lug end is large, and the current of the vertical rib at the position with the farther distance between the pole lugs is smaller, so that the current transmission is uneven, and the current transmission efficiency is reduced.

Meanwhile, the utilization rate of active materials at the upper part and the lower part of the grid is also different, so that the performance of the battery in use is influenced.

Therefore, it is highly desirable to improve the structure of the grid of the existing storage battery to improve the uniformity of the utilization rate of the active material on the grid and the efficiency of current transmission.

Disclosure of Invention

The invention aims to provide a grid with a high-conductivity structure, which is characterized in that a grid frame body is divided into an upper area and a lower area with different sizes, and the upper area and the lower area are uniformly distributed into an upper grid and a lower grid, so that the density of the upper grid of the grid frame body is higher than that of the lower grid, and the problems of uneven utilization rate of active substances, uneven current transmission and low transmission efficiency in the prior art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a high-conductivity structural grid, which comprises a grid frame body; the upper frame of the grid frame body is provided with a lug; an upper transverse rib and a lower transverse rib are fixedly connected between the two vertical frames of the grid frame body; the upper transverse ribs, the upper frame of the grid frame body and the two vertical frames enclose to form an upper area; the upper area is internally provided with a plurality of upper grids which are vertically arranged through a plurality of transverse ribs and vertical ribs;

the lower transverse rib, the lower frame of the grid frame body and the two vertical frames are enclosed to form a lower area, and the area of the lower area is twice of that of the upper area; a plurality of transverse ribs and vertical ribs are mutually perpendicular to form a lower grid which is uniformly distributed in the lower area;

the middle parts of the upper transverse rib and the lower transverse rib are fixedly connected with a separation rib; two pairs of inclined ribs are fixedly connected between the upper transverse rib and the lower transverse rib; the two pairs of the inclined rib strips are symmetrically arranged relative to the separating ribs; each pair of the inclined ribs are distributed in an inverted V shape.

Furthermore, the height of the upper grid and the lower grid and the distance between the upper transverse rib and the lower transverse rib are equal.

Further, the area ratio of the upper grid to the lower grid is 3: 2.

Furthermore, the upper end of oblique rib corresponds with two perpendicular muscle positions in the upper region respectively, and the lower extreme corresponds with same perpendicular muscle position in the lower region.

Furthermore, the connection part of the tab and the grid frame body is subjected to rounding treatment.

Further, the thickness of the upper frame of the grid frame body is larger than the thickness of the vertical frames on the two sides.

The invention has the following beneficial effects:

according to the grid framework, the grid framework is divided into the upper area and the lower area, the area of the lower area is twice of that of the upper area, and the upper area and the lower area are uniformly distributed into the upper grids and the lower grids, so that the density of the upper grids in the grid framework is larger than that of the lower grids, the number of vertical ribs in the upper area is increased, the utilization rate uniformity of active substances on the grid framework is effectively improved, the current transmission uniformity is ensured, and the current transmission efficiency is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of the structure of a highly conductive structural grid of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-grid frame, 2-pole ear, 3-upper transverse rib, 4-lower transverse rib, 5-oblique rib, 101-upper grid, 102-lower grid, 301-separating rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1, the present invention is a grid with a high conductivity structure, which includes a grid frame 1 with a rectangular structure. The upper frame of the grid frame body 1 is provided with a lug 2, and the lug 2 is connected with the upper frame of the grid frame body 1 at the position for rounding, so that the width of connection between the lug 2 and the grid frame body 1 is improved, and the condition that cracks are generated in a connecting part is avoided. Meanwhile, the thickness of the upper frame of the grid frame body 1 is larger than that of the vertical frames at the two sides.

An upper transverse rib 3 and a lower transverse rib 4 are fixedly connected between two vertical frames of the grid frame body 1; the upper transverse ribs 3, the upper frame of the grid frame body 1 and the two vertical frames enclose to form an upper area; the upper area is vertically provided with a plurality of transverse bars and vertical bars to form an upper grid 101 which is evenly distributed.

The lower transverse ribs 4, the lower frame and the two vertical frames of the grid frame body 1 are enclosed to form a lower area, and the area of the lower area is twice of that of the upper area; the lower section is provided with a plurality of transverse bars and vertical bars which are perpendicular to each other to form a lower grid 102 which is evenly distributed.

Specifically, the heights of the upper grid 101 and the lower grid 102 and the distances between the upper transverse ribs 3 and the lower transverse ribs 4 are equal. Meanwhile, the area ratio of the upper mesh 101 to the lower mesh 102 is 3: 2. Therefore, the density of the upper grids 101 in the upper area is greater than that of the lower grids 102 in the lower area, which is beneficial to improving the conduction distribution of current and the utilization rate of active substances.

The middle parts of the upper transverse rib 3 and the lower transverse rib 4 are fixedly connected with a separation rib 301; go up

horizontal muscle

3 and 4 fixedly connected with two pairs of oblique muscle strips 5 down between horizontal muscle, grid framework 1, utmost point ear 2, go up horizontal muscle 3, down horizontal muscle 4 and oblique muscle strip 5 formula structure as an organic whole.

The two pairs of oblique ribs 5 are symmetrically arranged relative to the partition ribs 301; two oblique ribs 5 in each pair of oblique ribs 5 are distributed in an inverted 'eight' shape, the upper ends of the two oblique ribs 5 in each pair respectively correspond to two vertical rib positions in the upper area, and the lower ends correspond to the same vertical rib position in the lower area. Thereby improving the overall current conduction efficiency.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high conductivity structure grid, its characterized in that: comprises a grid frame body (1); the upper frame of the grid frame body (1) is provided with a pole lug (2);

an upper transverse rib (3) and a lower transverse rib (4) are fixedly connected between two vertical frames of the grid frame body (1); the upper transverse rib (3), the upper frame of the grid frame body (1) and the two vertical frames enclose to form an upper area; an upper grid (101) which is uniformly distributed is formed in the upper area through a plurality of transverse ribs and vertical ribs which are mutually vertical;

the lower transverse rib (4), the lower frame and the two vertical frames of the grid frame body (1) enclose to form a lower area, and the area of the lower area is twice of that of the upper area; a plurality of transverse ribs and vertical ribs are mutually vertical in the lower area to form a lower grid (102) which is uniformly distributed;

the middle parts of the upper transverse rib (3) and the lower transverse rib (4) are fixedly connected with a separation rib (301); two pairs of inclined ribs (5) are fixedly connected between the upper transverse rib (3) and the lower transverse rib (4);

the two pairs of the inclined ribs (5) are symmetrically arranged relative to the partition ribs (301); each pair of the inclined ribs (5) are distributed in an inverted splayed shape.

2. A highly conductive structural grid according to claim 1, characterized in that the height of the upper grid (101) and the lower grid (102) and the spacing of the upper transverse ribs (3) and the lower transverse ribs (4) are equal.

3. A highly conductive structural grid according to claim 2, wherein the area ratio of the upper grid (101) to the lower grid (102) is 3: 2.

4. The grid for high electrical conductivity structural slab as claimed in claim 1, wherein each pair of said diagonal ribs (5) has an upper end corresponding to two vertical rib positions in the upper section and a lower end corresponding to the same vertical rib position in the lower section.

5. The grid with high conductivity according to claim 1, characterized in that the connection part of the tab (2) and the grid frame (1) is rounded.

6. The grid with a high electrical conductivity according to claim 1, characterized in that the thickness of the upper frame of the grid frame (1) is greater than the thickness of the vertical frames on both sides.