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    • 5. 发明授权
    • Battery pack and control method therefor
    • 电池组及其控制方法
    • US08629656B2
    • 2014-01-14
    • US13397882
    • 2012-02-16
    • Shoichi NishiyamaMasaru HiratsukaHiroyuki SuzukiTakehiko Tanaka
    • Shoichi NishiyamaMasaru HiratsukaHiroyuki SuzukiTakehiko Tanaka
    • H02J7/00
    • H01M10/482G01R19/16542G01R31/3658
    • A battery pack includes one or more cell blocks in which one or more secondary battery cells are connected in series and/or in parallel, and a control section for measuring a voltage of the one or more cell blocks to detect an abnormality of a cell block on the basis of a measurement result. The control section calculates a time differential of the voltage for the one or more cell blocks on the basis of the measured voltage, extracts a first time differential which is maximum and a second time differential which is minimum from the time differentials of the voltage for the one or more cell blocks, and determines that a cell block corresponding to the second time differential is abnormal in a case where a difference between the first time differential and the second time differential is less than a prescribed value.
    • 一种电池组包括其中一个或多个二次电池单元串联和/或并联连接的一个或多个单元块,以及用于测量所述一个或多个单元块的电压以检测单元块异常的控制单元 在测量结果的基础上。 控制部根据测定的电压来计算一个以上的单电池块的电压的时间差,根据该测量电压的时间差,提取最大的第一时间差和最小的第二时间微分 一个或多个单元块,并且在第一时间差和第二时间差之间的差小于规定值的情况下,确定与第二时间差相对应的单元块是异常的。