Charging and discharging control type of vehicle 48V integral lead acid storage battery

Abstract

The invention discloses a charging and discharging control type of a vehicle 48V integral lead acid storage battery. Four controlled 12V single batteries are arranged in a box body in a two-line and two-row way; the single batteries are in hard connection in series; each single battery is provided with a charging balance circuit and a voltage collecting signal line. In the use process, the action of the charging balance circuit is controlled according to the setting voltage value; in the charging phase, each single battery can be charged in parallel, and can also be singly charged according to the charging condition of each single battery; in the discharging phase, the four series single batteries are discharged together. The charging and discharging control type has the advantages that the charging and discharging control type is reasonable, simple, convenient and reliable; the automation degree is high; by adopting the compensation type charging method, the lagging of the single batteries can be avoided; the corresponding single battery can be fully charged; proofed by the results, the cycle times of the lead acid storage battery are increased, and the service life is prolonged.

Description

technical field [0001] The invention relates to a charging and discharging control method for a storage battery. Specifically, the invention relates to a charging and discharging control method for a lead-acid storage battery, especially a charging and discharging control method for a 48V integrated lead-acid storage battery for vehicles. Background technique [0002] Today, electric mopeds have become one of the main means of transportation for people's short-distance transportation. The power supply of commercially available electric mopeds is provided by the loaded battery, and the power supply voltage is mostly 48V. The lead-acid battery for vehicles in the prior art is formed by connecting four 12V single lead-acid batteries in series. This kind of external series connection has a simple structure, easy implementation, and reliable connection, and meets the driving requirements of electric mopeds. The use process of the single lead-acid battery equipped with the electr...

AI Technical Summary

Problems solved by technology

Due to the different internal reaction environments of the single lead-acid batteries in the same group, the capacity recovery after charging is inconsistent. As the number of charge and discharge increases, the gap gradually increases, and the backward batteries whose capacity declines first lead to a decrease in the overall capacity of the lead-acid batteries in this group.

Frequent replacement of the loaded lead-acid batteries will not only significantly increase the user's use cost, but also affect the user's travel quality