The embodiment of the invention discloses a control circuit of a series power pack, a charging and discharging method and a vehicle. The control circuit comprises at least two series power packs, a control unit and an inductor; each power pack comprises a power supply and a change-over switch; the two ends of the power supply are respectively connected with the change-over switches, the inductor is arranged between a first common end and a second common end, the first common end is the common end between the power supplies in the adjacent power supply groups, and the second common end is the common end between the change-over switches in the adjacent power supply groups; the change-over switch in each power pack is connected with the control unit, the control unit controls the change-over switch to be switched off or switched on according to the magnitude of the current flowing through the inductor, and then electric quantity transfer between the power packs is controlled. The control circuit of the invention is used for solving the technical problem that the electric quantity of the power battery can be used in a larger range in the prior art.

    本申请实施例公开了一种串联电源组的控制电路、充放电的方法及车辆,所述控制电路包括,至少两组串联电源组,控制单元和电感;每个所述电源组包括电源和切换开关;所述电源两端分别与所述切换开关连接,所述电感设置第一公共端与第二公共端之间,其中,所述第一公共端为相邻的电源组中的电源之间的公共端,所述第二公共端为相邻的电源组中的切换开关之间的公共端;每个所述电源组中的切换开关分别与所述控制单元连接,所述控制单元根据所述流过电感的电流大小,控制所述切换开关的断开或导通,进而控制所述电源组之间的电量转移,本申请实施例用以解决现有技术中对动力电池的电量达到更大化的使用的技术问题。


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    Title :

    Control circuit of series power pack, charging and discharging method and vehicle


    Additional title:

    一种串联电源组的控制电路、充放电的方法及车辆


    Contributors:
    MEI JUNHUA (author) / LI ZHIWEI (author) / HUANG HOUZENG (author) / PAN JUNHUI (author) / ZHANG JUN (author)

    Publication date :

    2021-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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