Multifunctional multielement voltage control current divider of storage battery

Abstract

The invention discloses a multifunctional multielement voltage control current divider of a storage battery, which consists of a plurality of constant-voltage current division load unit circuits with different functional units through parallel connection and combination, wherein the constant-voltage current division load unit circuits consist of three parts: voltage division circuits, voltage stabilizing light-load current division circuits and current enlarging heavy-load circuits through electric connection. Current division units in different element types are combined for use through selecting the types of voltage division resistors and the types of the small-current light-load elements and large-current heavy-load elements according to the maintenance requirements of the storage battery, various kinds of functional current division are automatically realized according to the intensity of the voltage of the storage battery for regulating, monitoring and controlling the static, discharging, charging and restoring features such as voltage, current, balance degree and the like of each storage battery, the balance problems of the storage battery pack of deep discharging activation balance, fast balancing, balanced monitoring, deep charging balance, over charging balance restoration and the like of novel and old serial connection storage battery packs are integrally solved, the goal of greatly prolonging the service life of the storage battery is reached, and the invention has the characteristics of low cost, wide purpose, convenient use, huge requirements and the like.

Description

technical field [0001] The invention discloses and protects a technical device of multi-functional multiple voltage-controlled shunt for storage battery. According to the different shunt voltage points set in advance, one or more functional shunt units are automatically turned on or off according to the voltage level, so that they can automatically adjust and control the voltage of the battery and the size of the shunt current, so as to comprehensively realize the device for battery maintenance. It is specially used to adjust, monitor and control the static, discharging, charging, repairing voltage and shunt current of the battery, so that the battery can restore and maintain the best charging and discharging characteristics, and play a role in maintaining, maintaining, monitoring and repairing the battery. effect. Especially in the application of battery packs in series, it can realize multiple shunt functions such as deep discharge balance, fast balance, charge balance prot...

AI Technical Summary

Problems solved by technology

However, due to the single circuit design idea of ​​this technology, the ability to control the shunt current is too low, and the realized function is only the weak "charge unloading" charging primary equalization function when charging reaches a voltage point, and no constant voltage is seen. The shunt technology has greater development potential, and its disadvantages are: 1. The shunt current is small, and the equalization effect is not great. It takes many cycles to balance the battery pack, so it can only be used for new batteries that have been rented; 2. Only consider The shunting of the floating charging point does not carry out targeted multi-point shunting according to the floating charging point, gas evolution point, highest voltage point, repair point, etc. in the charging characteristic curve of the battery pack, so it is only a simple equalization technology; 3. Heat dissipation problem No solution, the problem of synchronous heat dissipation is not considered in the circuit design, so it cannot handle the shunting of large currents at all, so the equalization ability is limited; 4, the function is single, the existing technology only considers the simple shunt equalization in the charging process, and does not consider the shunt Technology expansion is applied to discharge, monitoring, repair, etc., to realize maintenance functions such as deep discharge repair and equalization of batteries and battery packs, charging multi-level shunt protection and equalization, automatic equalization status monitoring and alarm, overcharge repair and equalization, etc.

Due to the above multiple defects, the prior art cannot solve wider battery problems, and only involves a part of the shunt technology, and does not play a greater role in the shunt technology for the battery. Therefore, the market potential is limited, and it will be replaced by the present invention. replaced by new technology

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