CN217588990U

CN217588990U - Grid for delaying growth of start-stop lead storage battery polar plate

Info

Publication number: CN217588990U
Application number: CN202220891496.6U
Authority: CN
Inventors: 王博; 时岩; 丁忠; 陈永顺
Original assignee: Zhejiang Tianneng Automobile Battery Co ltd
Current assignee: Zhejiang Tianneng Automobile Battery Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-14
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a delay grid that start-stop lead accumulator polar plate increases, include the frame that forms by enclosing the vertical frame rib in last frame rib, lower frame rib and both sides to and locate criss-cross horizontal rib and vertical rib in the frame, still be equipped with utmost point ear on the middle part of last frame rib wherein, the skew middle part setting of last frame rib of utmost point ear. The utility model can increase the strength of the upper frame rib by thickening the upper frame rib in the grid of the automobile start-stop battery, thereby effectively preventing the upper part of the grid from increasing; simultaneously, the circular arc chamfer extension zone setting of utmost point ear bottom both sides to and the extra of longer section begins to increase to utmost point ear place department from the middle part in the last frame rib and thickens gradually, strengthens grid superstructure jointly, when improving the electrical conductivity, reduces the growth of grid in the battery use, avoids losing efficacy because of the grid increases the battery that leads to.

Description

Grid for delaying growth of start-stop lead storage battery polar plate

Technical Field

The utility model relates to a lead accumulator technical field especially relates to a delay start-stop lead accumulator polar plate growth's grid.

Background

At present, the requirements of a fuel vehicle on a start-stop lead-acid storage battery are more and more strict, and particularly under the condition of high temperature, the fuel vehicle has higher requirements on the high-temperature cycle overcharge service life of the battery. The primary failure mode of the high temperature cycle overcharge life test is manifested by the grid becoming increasingly in contact with the busbar and shorting. The growth is caused by that the molar volume of the lead sulfate is larger than that of the lead dioxide and lead, and the volume is repeatedly shrunk and expanded in the charging and discharging process, so that the grid is cracked or the crystal boundary is continuously increased.

Among the prior art, as the car open the grid that the battery used that stops, often only considered the confluence effect and did not consider the problem that the grid increases the inefficacy, for example, the utility model discloses a open and stop lead acid battery with even towards grid, including the frame, crisscross horizontal muscle and the perpendicular muscle of being equipped with in the frame, horizontal muscle includes horizontal muscle and slope muscle, the inclination angle scope of slope muscle is 0-45, the net area that horizontal muscle and perpendicular muscle are crisscross to be formed is less than 75mm ² And a plurality of supporting ribs are vertically arranged at the bottom of the inner side of the frame. The vertical ribs are thick at the top and thin at the bottom and penetrate through the whole grid in a radial mode. The upper part of the frame is gradually widened from two sides to the middle part of the plate lug.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the grid to the car that exists opens and shuts down the battery increases and leads to the problem of battery inefficacy, provides a delay the grid that start-stop lead accumulator polar plate increases.

A grid for delaying the increase of start-stop lead storage battery electrode plates comprises a frame formed by encircling an upper frame rib, a lower frame rib and vertical frame ribs on two sides, and transverse ribs and vertical ribs which are arranged in the frame in a criss-cross mode, wherein a tab is further arranged on the upper frame rib, the tab is arranged by deviating from the middle of the upper frame rib, the thickness of the upper frame rib is larger than that of the lower frame rib and the vertical frame ribs, an arc chamfer extending area is arranged between two sides of the bottom of the tab and the upper frame rib, the upper frame rib is divided into a longer section and a shorter section on two sides by the position of the tab, and the thickness of the longer section is gradually increased from the middle to the position of the tab;

the frame surrounds the region and is divided into the upper portion region that is close to upper frame muscle strip one side and the lower part region that is close to lower frame muscle strip one side, and the thickness of the vertical muscle strip near being close to utmost point ear in the upper portion region is from the bottom to the top gradually thick gradually.

Preferably, the upper area occupies 2/5-3/5 of the vertical length of the surrounding area of the frame.

Preferably, the upper region is divided into a middle region located in the transverse middle and side regions located on two transverse sides, and the vertical ribs located in the middle region are obliquely close to the pole lugs in the direction. Current can be great after utmost point ear department current assembles, and the water conservancy diversion route can be shortened in this kind of slope design of drawing close to the rib of vertical slope can reduce to the ascending influence of vertical direction when increasing simultaneously. More preferably, the central region occupies 1/2 to 2/3 of the lateral width of the entire upper region. More preferably, the thickness of a vertical rib close to the middle area in the side area far away from one side of the tab is larger than that of other vertical ribs, and the thickened vertical rib is beneficial to keeping the flow guiding capacity far away from the position of the tab.

Preferably, the lower area is divided into an upper part and a lower part, wherein the lower part occupies 1/3-1/2 of the height of the whole lower area, and the vertical ribs of the two parts are designed in a staggered mode. After the dislocation design, the vertical rib interval of lower part sets up than the upper portion wideer. Dislocation design can make the volume that lower part vertical rib increases can not directly conduct the top from the bottommost directly through a vertical rib, but need conduct through overall structure, is favorable to avoiding the increase of local vertical rib just to make local increase too high and lead to the battery inefficacy.

Preferably, the height of the tab is 15 to 20mm. The utmost point ear height opens the utmost point ear of stopping the battery than conventional car and increases, can make the interval increase between busbar and the last frame muscle strip, provides more grid and increases the space.

The utility model can increase the strength of the upper frame rib by thickening the upper frame rib in the grid of the automobile start-stop battery, thereby effectively preventing the upper part of the grid from increasing; simultaneously, the circular arc chamfer extension area setting of utmost point ear bottom both sides to and the extra of longer section in the frame rib of going up begins to increase from the middle part to utmost point ear department and thickens gradually, strengthens grid superstructure jointly, when improving electrically conductive ability, reduces the growth of grid in the battery use, avoids losing efficacy because of the battery that the grid increases and lead to.

Drawings

Fig. 1 is a schematic structural diagram of the grid of the present invention.

Description of the drawings: go up frame rib 1, lower frame rib 2, vertical frame rib 3, horizontal rib 4, vertical rib 5, utmost point ear 6, circular arc chamfer extension 7, upper portion is regional 8, lower part is regional 9, middle part is regional 10, the avris is regional 11.

Detailed Description

As shown in fig. 1, a delay grid that start-stop lead accumulator polar plate increases, include by last frame rib 1, frame that lower frame rib 2 and the vertical frame rib 3 in both sides surround and form, and locate criss-cross horizontal rib 4 and vertical rib 5 in the frame, wherein still be equipped with utmost point ear 6 on last frame rib 1, the skew middle part of going up frame rib 1 of utmost point ear 6 sets up, the thickness of going up frame rib 1 is greater than lower frame rib 2 and vertical frame rib 3, it can make 1 intensity increase of last frame rib 1 to go up frame rib 1 with thick, effectively obstruct grid upper portion to increase.

Have circular arc chamfer extension 7 between utmost point ear 6's bottom both sides and last frame muscle strip 1, and, go up frame muscle strip 1 and use utmost point ear 6 punishment to be the longer section and the short section of both sides, wherein the thickness of longer section begins to increase gradually to utmost point ear 6 punishment from the middle part, the circular arc chamfer extension 7 setting of utmost point ear 6 bottom both sides, and the extra of longer section begins to increase gradually to utmost point ear 6 punishment from the middle part in last frame muscle strip 1, strengthen grid superstructure jointly, when improving electric conductivity, reduce the increase of grid in the battery use, avoid losing efficacy because of the battery that the grid increases and lead to.

The frame surrounding area is divided into an upper area 8 close to one side of the upper frame rib 1 and a lower area 9 close to one side of the lower frame rib 2, and the thickness of the vertical rib 5 close to the lug 6 in the upper area 8 gradually increases from the bottom to the top. Wherein, the upper area 8 occupies 2/5-3/5 of the vertical length of the frame surrounding area. The upper region 8 is divided into a middle region 10 located in the horizontal middle and side regions 11 located on the two sides in the horizontal direction, the vertical ribs 5 located in the middle region 10 are the vertical ribs 5 whose thickness gradually increases from the bottom to the top near the tab 6, and the vertical ribs 5 located in the middle region 10 are inclined and close to the tab 6. Current can be great after 6 department's electric currents of utmost point ear converge, and the water conservancy diversion route can be shortened in this kind of slope design of drawing close to the influence of the vertical rib 5 of slope to vertical direction when increasing can reduce simultaneously. Wherein the middle region 10 occupies 1/2 to 2/3 of the lateral width of the entire upper region 8. Wherein, the thickness of a vertical rib 5 close to the middle area 10 in the side area 11 far away from the pole ear 6 is larger than that of other vertical ribs 5, and the thickened vertical rib 5 is beneficial to keeping the flow guiding capability far away from the pole ear 6.

The lower area 9 is divided into an upper part and a lower part, wherein the lower part occupies 1/3-1/2 of the height of the whole lower area 9, and the vertical ribs 5 of the two parts are designed in a staggered mode. After the dislocation design, the vertical rib 5 interval of lower part sets up than the upper portion wideer. Dislocation design can make the volume that vertical rib 5 of lower part increases directly conduct the top from the bottommost directly through a vertical rib 5, but need conduct through overall structure, is favorable to avoiding the increase of local vertical rib 5 just to make local increase too high and lead to the battery to become invalid.

The height of the tab 6 is 15-20 mm. The height of the lug 6 is higher than that of the lugs of a conventional automobile starting and stopping battery, so that the interval between the bus bar and the upper frame rib bar 1 is increased, and more grid growth spaces are provided.

Claims

1. A grid for delaying the growth of a start-stop lead storage battery polar plate comprises a frame formed by encircling an upper frame rib, a lower frame rib and vertical frame ribs on two sides, and transverse ribs and vertical ribs which are arranged in the frame in a criss-cross mode, wherein a tab is further arranged on the upper frame rib, and the tab is arranged in a mode of deviating from the middle of the upper frame rib;

2. The grid according to claim 1, wherein the upper area occupies 2/5 to 3/5 of the vertical length of the area surrounded by the frame.

3. The grid according to claim 1 wherein the upper region is further divided into a middle region located in the transverse middle and side regions located on both sides of the transverse middle, wherein the vertical ribs located in the middle region are inclined toward the tabs.

4. The grid of claim 3, wherein the middle region has a transverse width that is between 1/2 and 2/3 of a transverse width of the entire upper region.

5. The grid according to claim 3, wherein one of the vertical ribs in the side regions on the side remote from the tabs adjacent to the central region is thicker than the remaining vertical ribs.

6. The grid according to claim 1, wherein the lower area is divided into an upper part and a lower part, wherein the lower part occupies 1/3-1/2 of the height of the whole lower area, and the vertical ribs of the two parts are designed in a staggered mode.

7. The grid of claim 1 wherein the tab has a height of 15 to 20mm.