The invention discloses a composite battery pack equalization circuit. The system comprises a series battery pack, a first-stage equalization module and a second-stage equalization module, the seriesbattery pack is formed by connecting m battery packs in series, and each battery pack is formed by connecting n batteries in series. The second-stage equalization module is connected to two adjacent batteries, and the first-stage equalization module is connected to each battery pack. The secondary equalization module comprises an inductor, two first MOS transistors and a secondary equalization control circuit, the first-stage equalization module comprises a transformer, m second MOS tubes, a third MOS tube and a first-stage equalization control circuit. The equalization circuit has the advantages and effects that the advantages of inductance equalization and transformer equalization are combined, the equalization efficiency of the multi-battery series battery pack is improved, and the equalization purpose can be quickly achieved.
本发明公开了一种复合型电池包均衡电路,包括串联电池包、一级均衡模块和二级均衡模块,串联电池包由m个电池组串联而成,电池组由n个电池串联而成,且在相邻两个电池上连接有所述的二级均衡模块,在各电池组上均连接有所述的一级均衡模块;二级均衡模块包括有电感、两个第一MOS管以及二级均衡控制电路;一级均衡模块包括有变压器、m个第二MOS管、1个第三MOS管以及一级均衡控制电路。本发明具有以下优点和效果:本发明结合电感均衡和变压器均衡的优点,提高了多电池串联电池包的均衡效率,能够快速地达到均衡的目的。
Composite battery pack equalization circuit
一种复合型电池包均衡电路
2020-06-26
Patent
Elektronische Ressource
Chinesisch
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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