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    • 2. 发明授权
    • Means for detecting the integrated value of current flow, a means for detecting the value of current flow and a battery pack employing those means
    • 用于检测电流的积分值的装置,用于检测电流值的装置和使用这些装置的电池组
    • US06285164B1
    • 2001-09-04
    • US09709431
    • 2000-11-13
    • Masaru NodaTakashi TakeuchiShinji TanakaMitsunori TsuchiyaTakeshi Yamaguchi
    • Masaru NodaTakashi TakeuchiShinji TanakaMitsunori TsuchiyaTakeshi Yamaguchi
    • H02J700
    • G01R31/361G01R31/3648
    • An apparatus for detecting an integrated value of current flow. The apparatus includes an integrator having an integration capacitor, to which a current sensor voltage is inputted, for outputting an output voltage corresponding to an integrated value of the current sensor voltage, and a resetting circuit for clearing integration electric charges accumulated in the integration capacitor to reset the integrator when the output voltage has reached an upper threshold value or a lower threshold value. The apparatus also includes a counter for counting the number of resets of the integrator in an upper direction or in a lower direction, and a connection-polarity inverting circuit for inverting a polarity of inputting of the current sensor voltage to the integrator, a polarity of connecting of the integration capacitor to the integrator and a counting direction of the counter, alternatively, at a regular time interval and synchronously. An integrated value of current flow is obtained on the basis of a count value of the counter.
    • 一种用于检测电流的积分值的装置。 该装置包括具有积分电容器的积分器,输入电流传感器电压,用于输出对应于当前传感器电压的积分值的输出电压,以及复位电路,用于将积分电容器中累积的积分电荷清除为 当输出电压达到上限阈值或下限阈值时,复位积分器。 该装置还包括用于对积分器在上方向或下方的复位次数进行计数的计数器和用于将输入当前传感器电压的极性反转到积分器的连接极性反转电路,极性 积分电容器与积分器的连接以及计数器的计数方向,或者以规则的时间间隔并且同步地进行。 基于计数器的计数值获得电流的积分值。