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    • 8. 发明授权
    • Method of and apparatus for implementing capacity adjustment in battery pack
    • 用于实现电池组中的容量调整的方法和装置
    • US06417648B2
    • 2002-07-09
    • US09892776
    • 2001-06-28
    • Kouhei SuzukiMasato Origuchi
    • Kouhei SuzukiMasato Origuchi
    • H02J700
    • H02J7/0016H02J7/0014
    • The lowest voltage value among the open circuit voltages at cells constituting a battery pack is set as a capacity adjustment target value. Each cell is discharged over the length of time corresponding to the deviation of its open circuit voltage from the capacity adjustment target value. The voltage at a cell manifesting a voltage reduction that is larger than those at a majority of remaining cells but is still within the normal range is set closer to the level of the voltages at the majority of remaining cells over time. If, on the other hand, an open circuit voltage is lowered to an extent exceeding a first threshold value, from the range set by the cell error decision-making reference value ascertained by averaging the cell voltages excluding the highest voltage value and the lowest voltage value, then the decision is made that an abnormal voltage reduction has occurred.
    • 将构成电池组的电池的开路电压中的最低电压值设定为容量调整对象值。 每个电池在对应于其开路电压与容量调节目标值的偏差相对应的时间长度上放电。 表现出大于剩余电池大部分但仍处于正常范围内的电压降低的电池的电压被设定为接近于大部分剩余电池随时间变化的电压水平。 另一方面,如果将开路电压降低到超过第一阈值的范围,则从通过将除了最高电压值和最低电压之外的电池电压平均而确定的电池单元错误判定参考值设置的范围 值,则判定发生异常电压降低。
    • 9. 发明授权
    • Method for diagnosing the operation of a device for cutting off and connecting a battery from/to the onboard power network of a motor vehicle
    • 用于诊断用于切断和连接来自机动车辆的车载电力网络的电池的设备的操作的方法
    • US08688317B2
    • 2014-04-01
    • US13386742
    • 2010-06-04
    • Daniel BoironMasato Origuchi
    • Daniel BoironMasato Origuchi
    • G01R31/327
    • G01R31/3278G01R31/006
    • A method for diagnosing operating condition of a device for cutting off and connecting a high-voltage bipolar battery from/to a bipolar onboard power network of a motor vehicle. The device includes a first power relay between a first terminal of the battery and a first terminal of the network, a second power relay between a second terminal of the battery and a second terminal of the network, and a serial arrangement of a third precharge relay and a precharge resistor, connected in parallel to the first power relay. The method: measures two voltages of the cutoff/connection device; compares the measured voltages with predetermined voltage values representing faults of the cutoff/connection device; and diagnoses a fault of a relay used on the result of the comparison.
    • 一种用于诊断用于切断并连接来自机动车辆的双极车载电力网络的高压双极型电池的装置的工作状况的方法。 该装置包括在电池的第一端子和网络的第一端子之间的第一电力继电器,电池的第二端子和网络的第二端子之间的第二电力继电器以及第三预充电继电器的串联装置 以及与第一功率继电器并联连接的预充电电阻。 方法:测量截止/连接装置的两个电压; 将测量的电压与表示截止/连接装置的故障的预定电压值进行比较; 并对比较结果中使用的继电器故障进行诊断。