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。


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    Title :

    Electricity storage device and electric vehicle power supply system comprising same


    Additional title:

    储电装置及包含该储电装置的电动车电源系统


    Contributors:
    SU DONGPING (author) / GUO FENG (author) / HU JUN (author) / MO WEIZHI (author)

    Publication date :

    2021-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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