CN216213659U

CN216213659U - Lead-acid storage battery middle cover with positive plate growth control structure

Info

Publication number: CN216213659U
Application number: CN202122149713.2U
Authority: CN
Inventors: 李铭杰; 程志明; 呼梦娟; 梁天宝; 孙茂汉; 梁艳丽
Original assignee: Henan Chilwee Genshore Power Co ltd
Current assignee: Henan Chilwee Genshore Power Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-05
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to a lead-acid storage battery middle cover with a structure for controlling the growth of a positive plate, which comprises a lead-acid storage battery and a plastic shell, wherein the lead-acid storage battery comprises electrolyte, a polar plate, a partition plate, a busbar and a polar post nail, the plastic shell comprises a battery jar, a middle cover and a cover plate, the inner side of the middle cover is provided with a terminal sleeve and a comb tooth structure, the polar plate comprises a positive plate and a negative plate, the busbar is positioned on two sides below the middle cover, and the negative side of the busbar is provided with a plurality of comb tooth structures for controlling the growth of the positive plate. The middle cover of the lead-acid storage battery is tightly adhered to the battery jar, when the growth height of the positive plate exceeds the partition plate, the positive plate cannot grow freely and only can grow upwards due to the comb tooth structure, the short circuit of the battery caused by the intersection of the positive plate and the negative plate is avoided, the damage caused by the short circuit of the battery is effectively avoided, and the service life of the battery is prolonged.

Description

Lead-acid storage battery middle cover with positive plate growth control structure

Technical Field

The utility model belongs to the technical field of lead-acid storage batteries, and particularly relates to a middle cover of a lead-acid storage battery for controlling a growth structure of a positive plate.

Background

At present, various lead-acid storage batteries are widely applied to life and production and become an indispensable part of the current society. However, in the use process of the lead-acid storage battery, the positive plate inevitably grows and corrodes, so that the battery is short-circuited and fails, and the work and the life of the lead-acid storage battery are greatly influenced.

The existing lead-acid storage battery technology is easy to cause short circuit problem under the actual working environment and in the working process. Because lead acid battery is at the course of the work, the positive plate can last slow growth, cause and link to each other the back short circuit with negative pole or negative busbar, for overcoming prior art's not enough, need for one kind urgently and have the lead acid battery who controls positive plate growth structure and cover in, when the positive plate in the growth process, can only cover the comb structure well pit direction growth of the isosceles trapezoid shape of design in according to, avoid the positive plate to grow and cause the short circuit and the battery that arouses to become invalid.

Disclosure of Invention

The utility model aims to solve the problem that the conventional lead-acid storage battery is easy to have short circuit in the working process, and provides a lead-acid storage battery middle cover with a structure for controlling the growth of a positive plate.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a lead-acid storage battery middle cover with a structure for controlling the growth of a positive plate comprises a lead-acid storage battery and a plastic shell, wherein the lead-acid storage battery comprises electrolyte, a polar plate, a partition plate, a busbar and a polar stud;

the polar plate includes positive plate and negative plate, the busbar is located the both sides of well lid below, the negative pole side of busbar is provided with a plurality of broach structures that are used for realizing controlling the positive plate to grow.

Furthermore, the battery jar is connected with well lid bonding, the lid has the cover plate in the middle lid top, is provided with positive plate and negative plate in the battery jar, is provided with the baffle between positive plate and the negative plate.

Furthermore, the bus bars are located on two sides below the middle cover, the bus bars are used for respectively connecting the positive plate and the negative plate of the lead-acid storage battery in parallel, and the electrolyte is distributed around the positive plate and the negative plate in the battery jar.

Further, the comb tooth structures are arranged on two sides of the middle cover and located above the negative electrode side of the lead-acid storage battery busbar.

Furthermore, a plurality of the comb tooth structures are right opposite to the upper side of the pole group, the partition plates are pressed by the comb tooth structures, and the comb tooth structures are isosceles trapezoids.

Furthermore, the shape is isosceles trapezoid comb tooth structure, and the convex parts of the comb tooth structure correspond to the negative plates in the electrode group respectively, and the concave parts of the comb tooth structure correspond to the positive plates in the electrode group respectively.

Through the technical scheme, the utility model has the beneficial effects that:

the lead-acid storage battery comprises a lead-acid storage battery and a plastic shell, wherein the lead-acid storage battery comprises electrolyte, a polar plate, a partition plate, a busbar and a polar stud, the plastic shell comprises a battery jar, a middle cover and a cover plate, a terminal sleeve and a comb structure are arranged on the inner side of the middle cover, the polar plate comprises a positive plate and a negative plate, the busbar is positioned on two sides below the middle cover, and a plurality of comb structures used for controlling the growth of the positive plate are arranged on the negative side of the busbar. The middle cover of the lead-acid storage battery is tightly adhered to the battery jar, when the growth height of the positive plate exceeds the partition plate, the positive plate cannot grow freely and only can grow upwards along the pit, the short circuit of the battery caused by the intersection of the positive plate and the negative plate or the busbar is avoided, the damage caused by the short circuit of the battery is effectively avoided, and the service life of the battery is prolonged.

Drawings

FIG. 1 is a schematic diagram of a lid structure for a lead acid battery having a structure for controlling the growth of a positive plate;

fig. 2 is a schematic view of a cap assembly structure in a lead-acid battery having a structure for controlling the growth of a positive plate.

Reference numerals: 1 is the battery jar, and 2 are the well lid, and 3 are the cover plate, and 4 are the busbar, and 5 are the broach structure, and 6 are the positive plate, and 7 are the baffle, and 8 are the negative plate.

Detailed Description

The utility model is further described with reference to the following figures and detailed description:

example one

As shown in fig. 1-2, a lead-acid storage battery middle cover with a structure for controlling the growth of a positive plate comprises a lead-acid storage battery and a plastic shell, wherein the lead-acid storage battery comprises electrolyte, a polar plate, a partition plate 7, a busbar 4 and a pole nail, the plastic shell comprises a battery jar 1, a middle cover 2 and a cover plate 3, and a terminal sleeve and a comb structure 5 are arranged on the inner side of the middle cover 2; the polar plate includes positive plate 6 and negative plate 8, busbar 4 is located the both sides of well lid 2 below, the negative pole side of busbar 4 is provided with a plurality of broach structures 5 that are used for realizing controlling positive plate 6 to grow.

In order to achieve the effect of controlling the growth of the positive plate 6 and reduce the problem of short circuit failure of the battery, the middle cover 2 of the lead-acid storage battery is optimized, specifically:

the battery jar 1 is connected with the well lid 2 bonding, 2 tops of well lid are covered with cover plate 3, are provided with positive plate 6 and negative plate 8 in the battery jar 1, are provided with baffle 7 between positive plate 6 and the negative plate 8.

As an embodiment, the separator 7 is used to isolate the positive electrode plate 6 from the negative electrode plate 8, so as to prevent the contact between the positive electrode plate 6 and the negative electrode plate 8 from causing a short circuit of the battery.

In the embodiment, the bus bars 4 are positioned on two sides below the middle cover 2, the bus bars 4 connect the positive electrode plate 6 and the negative electrode plate 8 of the lead-acid storage battery in parallel respectively, and the electrolyte is distributed around the positive electrode plate 6 and the negative electrode plate 8 in the battery jar 1.

As an embodiment, the bus bar 4 is made of lead plate, and serves to connect the positive electrode plate and the negative electrode plate in parallel, and the electrolyte serves as a medium for positive and negative ions flowing through the electrode plates for electric conduction between the ions.

In the present embodiment, the comb tooth structures 5 are disposed on both sides of the middle cover 2, above the negative electrode side of the lead-acid battery busbar 4.

As an implementation mode, the comb structure 5 is disposed inside the middle cover 2, and the comb structure 5 is disposed at a position of the middle cover 2 corresponding to the negative electrode side of each bus bar 4.

In this embodiment, a plurality of comb tooth structures 5 are arranged between the battery jar 1 and the middle cover 2, and just above the pole group, the comb tooth structures 5 press the partition board 7, and the comb tooth structures 5 are isosceles trapezoids.

In the present embodiment, the comb tooth structure 5 is in the shape of an isosceles trapezoid, and the convex portions thereof correspond to the negative electrode plates 8 in the electrode group, and the concave portions thereof correspond to the positive electrode plates 6 in the electrode group.

As an implementable mode, the shape is isosceles trapezoid's

broach structure

5, 2~3mm at the bottom of the isosceles trapezoid, 3~5mm go to the bottom, 5~10mm waist, thickness are 1~4mm, and the chamfer of going to the bottom is 2x60, and when the chamfer of isosceles trapezoid did makes positive plate 6 use, positive plate 6 grows better entering broach pit.

For the sake of understanding, a cap for a lead-acid battery having a structure for controlling the growth of a positive plate is described with reference to fig. 1 and 2:

during the use process of the lead-acid storage battery, the battery jar 1 and the middle cover 2 are bonded. The negative bus bar 4 on the inner side of the middle cover 2 is arranged right above the corresponding pole group; in the use, positive plate 6 slowly increases, and after positive plate 6 grows highly to surpass baffle 7, 5 pit clearances of broach structure are just to positive plate 6 for positive plate 6 can't freely grow, can only upwards grow along the pit, thereby has prevented the crossing battery short-circuit problem that causes of positive plate and negative plate.

The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.

Claims

1. The lead-acid storage battery middle cover with the structure for controlling the growth of the positive plate comprises a lead-acid storage battery and a plastic shell, and is characterized in that the lead-acid storage battery comprises electrolyte, a polar plate, a partition plate (7), a busbar (4) and a polar stud, the plastic shell comprises a battery jar (1), a middle cover (2) and a cover plate (3), and a terminal sleeve and a comb structure (5) are arranged on the inner side of the middle cover (2);

the polar plate includes positive plate (6) and negative plate (8), busbar (4) are located the both sides of well lid (2) below, the negative pole side of busbar (4) is provided with a plurality of broach structures (5) that are used for realizing controlling positive plate (6) to grow.

2. The middle cover of the lead-acid storage battery with the structure for controlling the growth of the positive plate is characterized in that the battery jar (1) is connected with the middle cover (2) in an adhesion mode, the middle cover (2) is covered with the cover sheet (3), the positive plate (6) and the negative plate (8) are arranged in the battery jar (1), and the separator (7) is arranged between the positive plate (6) and the negative plate (8).

3. The cap in the lead-acid storage battery with the structure for controlling the growth of the positive plate is characterized in that the bus bars (4) are positioned at two sides below the middle cap (2), the bus bars (4) are used for respectively connecting the positive plate (6) and the negative plate (8) of the lead-acid storage battery in parallel, and the electrolyte is distributed around the positive plate (6) and the negative plate (8) in the battery jar (1).

4. The cover in the lead-acid storage battery with the structure for controlling the growth of the positive plate according to claim 3, characterized in that the comb tooth structures (5) are arranged on two sides of the middle cover (2) and are positioned above the negative side of the bus bar (4) of the lead-acid storage battery.

5. The cover in the lead-acid storage battery with the structure for controlling the growth of the positive plate according to claim 4, characterized in that a plurality of comb tooth structures (5) are arranged right above the plate group, the comb tooth structures (5) press the partition plates (7), and the comb tooth structures (5) are isosceles trapezoids.

6. A cap in a lead-acid storage battery with a structure for controlling the growth of positive plates, according to claim 4, characterized in that said comb-teeth structure (5) in the shape of an isosceles trapezoid has a convex portion corresponding to the negative plates (8) in the group of poles and a concave portion corresponding to the positive plates (6) in the group of poles.