Series-parallel connection switching and control device among lithium power battery packs



The utility model relates to a series-parallel connection switching and control device among lithium power battery packs. The device is characterized by comprising a knob (1), wherein the knob (1) is connected with rotating discs (3) through a transmission mechanism (2), and a plurality of contact pieces (30) are arranged on the rotating discs (3) and are connected with at least two groups of battery connecting terminals (4). According to the device, the series-parallel connection switching can be carried out on at least two groups of the batteries, the batteries can be directly charged by utilizing electric supply current after being connected in series, can be used for charging electric automobiles after being connected in parallel and can be charged without an additional transformer, so that the design is ingenious, the charging process of the batteries is simplified, and the electric energy loss is reduced.




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    CN-103050740-AApril 17, 2013王奉瑾, 中山普润斯电源设备技术有限公司Series-parallel connection switching control device among battery packs