A high-precision lead-acid battery acid replenishing device

Abstract

The invention discloses a high-precision lead-acid storage battery acid supplement and liquid addition device, which includes a vacuum device and several liquid addition units, and the liquid addition units are sequentially connected by a positioning plate; the liquid addition unit includes a housing and a positioning structure Quantitative injection syringe fixed in the housing, the lower end of the housing is open and the upper end is closed, a liquid storage chamber is formed between the positioning structure and the closed end of the housing, both ends of the quantitative injection syringe are open, and the quantitative injection The upper port of the needle tube extends into the liquid storage chamber; the vacuum pumping device communicates with the liquid storage chamber of each liquid adding unit through a pipeline assembly. The present invention uses atmospheric pressure to suck the sulfuric acid electrolyte into the quantitative injection needle tube of each liquid adding unit, and the spilled part flows into the liquid storage chamber; since the volume of each quantitative injection needle tube is basically the same, and the aperture of the quantitative suction injection needle tube is small , During the liquid addition process, the acid liquid flows out completely, quickly, and without hanging liquid, which is beneficial to improve the production efficiency of the battery, and is suitable for high-precision acid replenishment and liquid addition.

Description

technical field [0001] The invention relates to a device for quantitatively adding sulfuric acid electrolyte in the manufacturing process of lead-acid batteries. Background technique [0002] Lead-acid batteries are the most commonly used secondary chemical power sources. They are widely used in industrial production and people's daily life, and play an important role in many fields such as automobile starting, power batteries, communication base stations, and photovoltaic systems. [0003] In the production process of lead-acid batteries, acid is added after the battery plates are assembled into the primary battery. Adding acid is an important production process and process link. The amount of sulfuric acid electrolyte added to each battery cell will directly affect the performance of the entire battery. The uniformity between the cells of the battery is very important. The traditional sulfuric acid electrolyte addition process generally adopts a "measuring cup" quantitati...

AI Technical Summary

Problems solved by technology

The traditional sulfuric acid electrolyte addition process generally adopts a "measuring cup" quantitative liquid addition device, the diameter of the measuring cup is large, and the accuracy of liquid addition is relatively low, thereby reducing the accuracy of the total acid content of the sulfuric acid electrolyte in each cell in the battery; In the production process of chemical formation, especially internal chemical formation, it is necessary to use the process of supplementing acid to make the total amount of sulfuric acid meet the requirements for the use of lead-acid batteries. However, the existing process of supplementing acid is basically manual operation, and the workload is heavy.

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