The invention relates to the technical field of vehicle-mounted batteries, in particular to a vehicle-mounted battery management system wide voltage active equalization circuit which comprises a battery input end, a battery output end, a booster circuit, an absorption circuit, a transformer, a synchronous rectifier control circuit and a voltage stabilizing circuit. the battery input end is externally connected with a battery, and the battery input end is connected with the voltage stabilizing circuit. The voltage stabilizing circuit is connected with the synchronous rectifier control circuit, the synchronous rectifier control circuit is connected with the transformer, the transformer is connected with the booster circuit and the absorption circuit, and the absorption circuit and the booster circuit are both connected with the battery output end. According to the invention, the balance main topology is adjusted, an output control circuit is innovated, and the specific performance is greatly optimized, so that the active balance type battery management system is more efficient and high in performance, and the vehicle-mounted battery management system wide voltage active equalization circuit has the advantages of high efficiency, high safety coefficient, small interference and synchronous control.
本发明涉及车载电池技术领域,尤其是指一种车载电池管理系统宽电压主动均衡电路,包括电池输入端、电池输出端、升压电路、吸收电路、变压器、同步整流控制电路、稳压电路,所述电池输入端外接有电池,所述电池输入端与所述稳压电路连接,所述稳压电路与所述同步整流控制电路连接,同步整流控制电路与变压器连接,所述变压器与所述升压电路、所述吸收电路连接,所述吸收电路、所述升压电路均与所述电池输出端连接,本发明通过对均衡主拓扑进行了调整,对输出控制电路做了创新以及针对性能做了较大的优化,通过本本发明可以使主动均衡式的电池管理系统更加高效,高性能,本发明具有效率高、安全系数高、干扰小、同步控制的优点。
Vehicle-mounted battery management system wide voltage active equalization circuit
一种车载电池管理系统宽电压主动均衡电路
2021-10-08
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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