CN216648410U

CN216648410U - Variable-voltage lead-acid storage battery

Info

Publication number: CN216648410U
Application number: CN202122782436.9U
Authority: CN
Inventors: 李明钧; 丁建中; 胡国柱; 张守君
Original assignee: Zhejiang Tianneng Battery Jiangsu Co Ltd; Tianneng Group Jiangsu Technology Co Ltd; Tianneng Group Jiangsu Special Power Supply Co Ltd; Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
Current assignee: Zhejiang Tianneng Battery Jiangsu Co Ltd; Tianneng Group Jiangsu Technology Co Ltd; Tianneng Group Jiangsu Special Power Supply Co Ltd; Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-31
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of lead-acid storage battery manufacturing, in particular to a variable-voltage lead-acid storage battery which comprises a battery shell, wherein a transformer is placed in a first single cell, a positive plate and a negative plate are arranged in a second single cell, the positive plate is separated from the negative plate through a U-shaped partition plate, the positive bus plate is connected to a positive terminal on a battery cover plate which is arranged above the battery shell and corresponds to the battery shell, a negative bus bar is connected to a negative terminal on the battery cover plate, an exhaust valve is further arranged on the battery cover plate, dilute sulfuric acid is arranged in the second single cell, a positive connecting wire and a negative connecting wire are arranged at the upper end of the transformer, and the positive connecting wire and the negative connecting wire penetrate through the battery cover plate; through the arrangement of the transformer, higher voltage can be output by using only a single low-voltage battery, and the voltage is not increased by using a plurality of low-voltage batteries in series connection.

Description

Variable-pressure lead acid storage battery

Technical Field

The utility model relates to the technical field of lead-acid storage battery manufacturing, in particular to a variable-voltage lead-acid storage battery.

Background

Lead acid battery market field has very wide range of application such as UPS, electric motor car, because of the voltage that the load needs when the battery uses is different, and lead acid battery cell rated voltage 2V, so if the voltage that the load needs is high, establish ties or establish ties the battery to a plurality of cells usually to reach and need higher voltage, if: 3 cells are connected in series to form a 6V battery, 6 cells are connected in series to form a 12V battery, and 4 12V batteries are connected in series to form a 48V battery. However, when the cells or batteries are connected in series, the consistency requirement on the cells or batteries is very high due to the difference of the capacity and the discharge time among the cells, otherwise, backward cells or batteries can appear quickly, so that the service life of the batteries is seriously shortened, and the problems of energy waste, economic loss, environmental pollution and the like are caused.

Disclosure of Invention

The present invention solves the problems set forth in the background of the utility model by providing a variable pressure lead acid battery, as further described below.

A variable-voltage lead-acid storage battery comprising a battery case divided into two first cells and two second cells which are not air-permeable to each other, a transformer being placed in the first cell, positive plates and negative plates being placed in the second cell alternately, the positive plates being separated from the negative plates by U-shaped separators, all the negative plates being connected to an upper negative bus bar, all the positive plates being connected to a positive bus bar which is higher than the negative bus bar, the positive bus bar being connected to a positive terminal provided on a battery cover plate which is provided above the battery case and corresponds to the battery case 1, the negative bus bar being connected to a negative terminal provided on the battery cover plate, the positive terminal being connected to the transformer by a positive terminal line, the negative terminal is also connected with the transformer through a negative terminal wire, the battery cover plate is also provided with an exhaust valve, the exhaust valve balances the air pressure in the second single cell, dilute sulfuric acid is arranged in the second single cell, the upper end of the transformer is provided with a positive connecting wire and a negative connecting wire, and the positive connecting wire and the negative connecting wire penetrate through the battery cover plate;

preferably, the battery cover plate and the battery shell are connected by adopting a concave-convex structure and sealed by adopting epoxy resin;

preferably, the exhaust valve and the battery cover plate are sealed in a thread or buckle mode;

preferably, the negative terminal, the positive terminal, the negative terminal line, the positive connecting line and the negative connecting line are sealed with the battery cover plate through epoxy resin;

has the advantages that: compared with the prior art, the utility model can output higher voltage by only using a single low-voltage battery through the arrangement of the transformer, does not use a plurality of low-voltage batteries to be connected in series to improve the voltage, and avoids the problems that when the single cells or the batteries are connected in series, the requirement on the consistency of the single cells or the batteries is very high, and the backward single cells or the batteries can be generated when the single cells or the batteries are not connected in series, and the difference between the capacity and the discharging time of the single cells is caused, so that the service life of the battery is seriously shortened, and the problems of energy waste, economic loss, environmental pollution and the like are caused;

drawings

FIG. 1: the utility model relates to a structural schematic diagram of a variable-pressure lead-acid storage battery;

in the figure: the battery case 1, the first cell 11, the transformer 112, the second cell 12, the positive plate 121, the negative plate 122, the negative bus bar 123, the positive bus bar 124, the dilute sulfuric acid 125, the separator 126, the battery cover plate 2, the positive terminal 21, the negative terminal 22, the positive terminal line 23, the negative terminal line 24, the exhaust valve 25, the positive connection line 26, the negative connection line 27;

Detailed Description

A specific embodiment of the present invention will be described in detail with reference to fig. 1.

A variable-voltage lead acid battery comprising a battery case 1, said battery case 1 being divided into two first cells 11 and second cells 12 which are not air-permeable to each other, a transformer 112 being placed in said first cell 11, positive plates 121 and negative plates 122 being placed in said second cell 12, said positive plates 121 being alternately placed with said negative plates 122, and said positive plates 121 being separated from said negative plates 122 by U-shaped separators 126, all of said negative plates 122 being connected to an upper negative bus bar 123, all of said positive plates 121 being connected to a positive bus bar 124, and said positive bus bar 124 being higher than said negative bus bar 123, said positive bus bar 124 being connected to a positive terminal 21 on a battery cover plate 2 which is provided above said battery case 1 and corresponds to said battery case 1, said negative bus bar 123 being connected to a negative terminal 22 provided on said battery cover plate 2, the positive terminal 21 is connected with the transformer 112 through a positive terminal line 23, the negative terminal 22 is also connected with the transformer 112 through a negative terminal line 24, the battery cover plate 2 is further provided with an exhaust valve 25, the exhaust valve 25 balances the air pressure in the second cell 12, dilute sulfuric acid 125 is arranged in the second cell 12, a charger is connected with the positive terminal 21 and the negative terminal 22, charging is carried out according to a charging process, and after the charging is finished, the abundant dilute sulfuric acid 125 is pumped out; a positive connecting wire 26 and a negative connecting wire 27 are arranged at the upper end of the transformer 112, the positive connecting wire 26 and the negative connecting wire 27 penetrate through the battery cover plate 2, and the positive connecting wire 26 and the negative connecting wire 27 are connected for external use;

further, in order to facilitate the installation of the battery cover plate 2 and the battery case 1, the battery cover plate 2 and the battery case 1 are connected by adopting a concave-convex structure and sealed by adopting epoxy resin;

further, in order to enable the exhaust valve 25 and the battery cover plate to be sealed more tightly, the exhaust valve 25 and the battery cover plate 2 are sealed in a thread or buckle mode;

further, the negative terminal 22, the positive terminal 21, the negative terminal line 24, the positive terminal line 23, the positive connection line 26 and the negative connection line 27 are sealed with the battery lid plate 2 by epoxy resin;

when in use, the negative terminal, the positive busbar, the negative busbar, the positive plate, the negative plate and the separator are assembled into an integral pole group, then the pole group is inserted into the second single cell, the transformer required by the corresponding load is arranged in the first single cell, the battery cover plate and the battery shell are fixed and sealed by epoxy resin, the negative terminal wire and the positive terminal wire on the transformer are connected with the corresponding negative terminal and the positive terminal, the negative terminal, the positive connecting wire and the negative connecting wire penetrate out of the corresponding holes of the battery cover plate and are sealed by the epoxy resin, dilute sulphuric acid is poured into the second single cell through the exhaust valve mounting hole, the positive terminal and the negative terminal are connected with a charger and are charged according to the charging process, after the charging is finished, the rich dilute sulphuric acid is extracted from the exhaust valve mounting hole, and then the exhaust valve is mounted on the battery cover plate, at the moment, the lead-acid battery is arranged on a load, such as electric equipment of an electric vehicle, an automobile and the like, the positive electrode and the negative electrode of the load are connected with the positive connecting wire and the negative connecting wire on the transformer, the equipment can be used, if the lead-acid battery needs to be charged, the load needs to be disconnected, and then the charger is respectively connected with the positive terminal and the negative terminal of the lead-acid battery, so that the battery can be repeatedly used;

compared with the prior art, the utility model can output higher voltage by only using a single low-voltage battery through the arrangement of the transformer, does not use a plurality of low-voltage batteries to be connected in series to improve the voltage, and avoids the problems that when the single cells or the batteries are connected in series, the requirement on the consistency of the single cells or the batteries is very high, and the backward single cells or the batteries can be generated when the single cells or the batteries are not connected in series, and the difference between the capacity and the discharging time of the single cells is caused, so that the service life of the battery is seriously shortened, and the problems of energy waste, economic loss, environmental pollution and the like are caused;

the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A variable pressure lead acid battery characterized by: comprising a battery case (1), wherein the battery case (1) is divided into a first cell (11) and a second cell (12) which are not ventilated mutually, a transformer (112) is placed in the first cell (11), positive plates (121) and negative plates (122) are arranged in the second cell (12), the positive plates (121) and the negative plates (122) are alternately placed, the positive plates (121) are separated from the negative plates (122) through U-shaped separators (126), all the negative plates (122) are connected with an upper negative busbar (123), all the positive plates (121) are connected with a positive busbar (124), the positive busbar (124) is higher than the negative busbar (123), the positive busbar (124) is connected to a positive terminal (21) which is arranged on a battery cover plate (2) which is arranged above the battery case (1) and corresponds to the battery case (1), the negative bus bar (123) is connected to and sets up on the negative terminal (22) on battery apron (2), positive terminal (21) through positive terminal line (23) with transformer (112) are connected, negative terminal (22) through negative terminal line (24) also with transformer (112) are connected still be equipped with discharge valve (25) on battery apron (2), discharge valve (25) will atmospheric pressure in second unit check (12) is balanced be equipped with dilute sulphuric acid (125) in second unit check (12) transformer (112) upper end is equipped with positive connecting wire (26) and negative connecting wire (27), positive connecting wire (26) with negative connecting wire (27) pass battery apron (2).

2. A variable pressure lead acid battery according to claim 1, characterized in that: the battery cover plate (2) and the battery shell (1) are connected through a concave-convex structure and sealed through epoxy resin.

3. A variable pressure lead acid battery according to claim 1, characterized in that: the exhaust valve (25) and the battery cover plate (2) are sealed in a thread or buckling mode.

4. A variable pressure lead acid battery according to claim 1, characterized in that: the negative terminal (22), the positive terminal (21), the negative terminal line (24), the positive terminal line (23), the positive connection line (26), and the negative connection line (27) are all sealed with the battery lid plate (2) by epoxy resin.