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    • 7. 发明授权
    • Cell balance device and battery system
    • 电池平衡装置和电池系统
    • US09000726B2
    • 2015-04-07
    • US13571572
    • 2012-08-10
    • Atsushi SakuraiHiroshi Saito
    • Atsushi SakuraiHiroshi Saito
    • H02J7/00
    • H02J7/0019H02J7/0016H02J7/0026H02J2007/0039
    • Provided are a cell balance device for protecting a switch circuit from an overcurrent flow. The cell balance device includes: a plurality of electric accumulator connection terminals each connected to one of a node and two terminals of electric accumulators connected in series; a voltage hold device connection terminal connected to a voltage hold device; a plurality of first switch circuits provided between the plurality of electric accumulator connection terminals and the voltage hold device; a control circuit for controlling ON/OFF of the plurality of first switch circuits based on a synchronization signal; and an overcurrent detection circuit for detecting an overcurrent flowing through each of the plurality of first switch circuits.
    • 提供了用于保护开关电路免受过电流的电池平衡装置。 电池平衡装置包括:多个蓄电池连接端子,每个连接到串联连接的蓄电池的节点和两个端子中的一个; 连接到电压保持装置的电压保持装置连接端子; 设置在所述多个蓄电器连接端子与所述电压保持装置之间的多个第一开关电路; 控制电路,用于基于同步信号控制多个第一开关电路的ON / OFF; 以及过电流检测电路,用于检测流过多个第一开关电路中的每一个的过电流。
    • 10. 发明授权
    • Battery state monitoring circuit and battery device
    • 电池状态监测电路和电池装置
    • US08941360B2
    • 2015-01-27
    • US13092602
    • 2011-04-22
    • Hiroshi SaitoKazuaki Sano
    • Hiroshi SaitoKazuaki Sano
    • H02J7/00G01N27/416H01M10/48G01R31/36
    • H02J7/0016G01R31/3658H01M10/482H02J7/0026
    • Provided are a battery state monitoring circuit and a battery device, in which, even when one secondary battery becomes an overcharged state or an overdischarged state and then a voltage detection circuit operates, power is not consumed in only the one secondary battery. The battery state monitoring circuit includes: a plurality of voltage detection circuits which are provided for a plurality of secondary batteries, respectively, for detecting voltages of the plurality of secondary batteries; and a current bypass circuit provided in each of the plurality of voltage detection circuits, for allowing an operation current of the each of the plurality of voltage detection circuits to flow into a ground terminal. Therefore, when only one secondary battery becomes an overcharged state or an overdischarged state, the battery device operates so that the power of all the secondary batteries is consumed to prevent voltages between the secondary batteries from being unbalanced.
    • 提供一种电池状态监视电路和电池装置,其中即使一个二次电池变得过充电状态或过放电状态,然后电压检测电路工作,仅在一个二次电池中不消耗电力。 电池状态监视电路包括:多个电压检测电路,分别为多个二次电池提供,用于检测多个二次电池的电压; 以及设置在所述多个电压检测电路中的每一个中的电流旁路电路,用于允许所述多个电压检测电路中的每一个的操作电流流入接地端子。 因此,当只有一个二次电池变为过充电状态或过放电状态时,电池装置工作,以便消耗所有二次电池的电力,以防止二次电池之间的电压不平衡。