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    • 8. 发明公开
    • RECHARGING DEVICE AND RECHARGING METHOD
    • 再生装置和再生方法
    • EP2249454A1
    • 2010-11-10
    • EP09716128.5
    • 2009-02-16
    • Iwasaki Electric Co., LtdTokyo Rectifier Co., Ltd.Jps Co., Ltd.
    • MARUYAMA, TomomiSAIKI, EijiKATO, AkitoshiHONDA, Yoshihiro
    • H02J7/02H01M10/44H02J7/10
    • H01M10/52H01M10/425H01M10/441H01M10/445H01M10/46H01M10/482H02J7/0016H02J7/0022H02J7/007
    • The present invention aims to suppress waste of charging power during charging and improve charging efficiency.
      A charging apparatus 1 for charging a cell group 24, in which a plurality of secondary cells 22 are connected in series, by supplying a charging current Ic to the secondary cells 22 is provided with an overcharge protection circuit 26 including discharge route circuits 34 provided to each of the secondary cells 22 and adapted to cause the secondary cells 22 to discharge during charging by connecting the secondary cells 22 to the discharge route circuits 34 based on cell voltages Vb of the secondary cells 22 or to stop discharging by cutting off the secondary cells 22 from the discharge route circuits 34; and a charger controller 10 for continuing charging while reducing the charging current Ic until the discharge of the secondary cell 22 having started discharging to the discharge route circuit 34 is stopped when the discharge of any one of the secondary cells 22 to the discharge route circuit 34 is started by the overcharge protection circuit 26.
    • 本发明旨在抑制充电期间充电功率的浪费并提高充电效率。 通过向二次电池22供应充电电流Ic,用于对多个二次电池22串联连接的电池组24进行充电的充电装置1设置有包括放电路径电路34的过充电保护电路26, 每个二次电池22并且适于通过基于二次电池22的电池电压Vb将二次电池22连接到放电路径电路34而在充电期间使二次电池22放电或者通过切断二次电池而停止放电 22从放电路径电路34; 以及充电器控制器10,其用于在任何一个二次电池22向放电路径电路34放电时停止充电,同时减小充电电流Ic,直到已经开始向放电路径电路34放电的二次电池22的放电停止 由过充电保护电路26启动。