The invention discloses an electricity storage device and an electric vehicle power supply system comprising the same. The electricity storage device is characterized in that in a discharging state, a first controller controls a first discharging branch to be connected with a first lithium battery and a load, and the first controller controls a second discharging branch to be connected with the first lithium battery and a third discharging branch; a second controller controls a third discharge branch to be connected with a second lithium battery and the load to realize series power supply of the two groups of batteries; in a charging state, the first controller controls the first charging branch to be connected with the first lithium battery and a charging component, and the first controller controls the second charging branch to be connected with the first lithium battery and the charging component; and the second controller controls the third charging branch to be connected with the second lithium battery and the charging component, and controls a fourth charging branch to be connected with the second lithium battery and the charging component, so that parallel charging of the two groups of batteries is realized.
本发明公开了一种储电装置及包含该储电装置的电动车电源系统,储电装置包括:在放电状态时,第一控制器控制第一放电支路与第一锂电池、负载连接,第一控制器控制第二放电支路与第一锂电池、第三放电支路连接,第二控制器控制第三放电支路与第二锂电池、负载连接,实现两组电池的串联供电;在充电的状态时,第一控制器控制第一充电支路与第一锂电池、充电部件连接,第一控制器控制第二充电支路与第一锂电池、充电部件连接;第二控制器控制第三充电支路与第二锂电池、充电部件连接,第二控制器控制第四充电支路与第二锂电池、充电部件连接,实现两组电池的并联充电。
Electricity storage device and electric vehicle power supply system comprising same
储电装置及包含该储电装置的电动车电源系统
11.06.2021
Patent
Elektronische Ressource
Chinesisch
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