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    • 5. 发明授权
    • Rechargeable battery charging method, rechargeable battery charge controlling device and battery pack
    • 充电电池充电方法,充电电池充电控制装置和电池组
    • US08674657B2
    • 2014-03-18
    • US13033018
    • 2011-02-23
    • Tomomi Kaino
    • Tomomi Kaino
    • H02J7/00
    • H02J7/041H01M10/0525H01M10/44H02J7/0029H02J7/045
    • If a protection voltage (or setting voltage value) is continuously exceeded for two times (three times) by all of the voltage values of a battery block that are read periodically at a period of 250 ms, it is determined that the voltage of the battery block exceeds the protection voltage value of 4.32 V (or setting voltage value of 4.30 V) so that a target value of charging current is reduced to 0.1 C (or reduced to a value smaller than the currently-set target value) at the first determination. Every when it is detected that the voltage value exceeds the setting voltage value, the target value is reduced at a predetermined reduction rate. As a result, charging current is exponentially reduced whereby keeping the charging operation. At the second determination where the voltage of the battery block exceeds the protection voltage, a circuit breaker cuts off the charging current.
    • 如果通过在250 ms的周期周期性读取的电池块的所有电压值连续超过保护电压(或设定电压值)两次(三次),则确定电池的电压 模块超过4.32V(或设定电压值4.30V)的保护电压值,使得在第一次确定时,充电电流的目标值降低到0.1C(或减小到小于当前设定的目标值的值) 。 每当检测到电压值超过设定电压值时,目标值以预定的减小率减小。 结果,充电电流指数下降,从而保持充电操作。 在电池块的电压超过保护电压的第二个确定中,断路器切断充电电流。