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

锂动力电池组间串并联切换控制装置

Abstract

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.
本实用新型涉及一种锂动力电池组间串并联切换控制装置,其特征在于:包括旋钮(1),所述旋钮(1)通过传动机构(2)与转盘(3)连接,在所述转盘(3)上设置有多个触片(30),所述触片(30)与至少两组电池接线端子(4)相连,该装置能将至少两组电池进行串并联切换,使得串联后的电池组直接采用市电电流进行充电,并联后的电池组对电动汽车进行供电,该装置无需采用额外的变压器即可对电池进行充电,设计巧妙,简化了电池充电的程序,降低电能损耗。

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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