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    • 2. 发明授权
    • Battery management system for calculating charge and disharge powers
    • 电池管理系统,用于计算充电和补给功率
    • US08004239B2
    • 2011-08-23
    • US12400323
    • 2009-03-09
    • Youhei KawaharaAkihiko EmoriShuko YamauchiHirotaka TakahashiMasami ShidaYoshinori Aoshima
    • Youhei KawaharaAkihiko EmoriShuko YamauchiHirotaka TakahashiMasami ShidaYoshinori Aoshima
    • H01M10/48
    • H02J7/0021B60L11/1864B60L11/1872B60L2240/545H02J7/0026H02J7/0091Y02T10/7011Y02T10/7016Y02T10/7055Y02T10/7061
    • A battery management system which can output a battery state enabling optimum charge and discharge control to be performed even when a temperature variation occurs among individual single cells. A plurality of temperature sensors measure temperature values of a battery. A measurement unit measures a voltage and a current of the battery. A maximum/minimum temperature selection unit in a calculation unit determines a maximum temperature and a minimum temperature from the temperature values measured by the temperature sensors. An available power calculation unit calculates respective values of maximum available charge and discharge powers or maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature based on the voltage and the current of the battery. A selection unit selects and outputs smaller maximum available charge and discharge powers or smaller maximum available charge and discharge currents from the respective values of the maximum available charge and discharge powers or the maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature, which are calculated by the calculation unit.
    • 即使在各个单电池之间发生温度变化,也能够输出能够进行最佳充放电控制的电池状态的电池管理系统。 多个温度传感器测量电池的温度值。 测量单元测量电池的电压和电流。 计算单元中的最大/最小温度选择单元根据由温度传感器测量的温度值确定最大温度和最低温度。 可用功率计算单元基于电池的电压和电流来计算对应于最大温度和最低温度的电池的最大可用充电和放电功率或最大可用充电和放电电流的值。 选择单元从相应于最大温度的电池的最大可用充电和放电功率或最大可用充电和放电电流的相应值中选择并输出较小的最大可用充电和放电功率或更小的最大可用充电和放电电流,以及 最小温度,由计算单位计算。
    • 6. 发明授权
    • Battery management system
    • 电池管理系统
    • US07514905B2
    • 2009-04-07
    • US11638528
    • 2006-12-14
    • Youhei KawaharaAkihiko EmoriShuko YamauchiHirotaka TakahashiMasami ShidaYoshinori Aoshima
    • Youhei KawaharaAkihiko EmoriShuko YamauchiHirotaka TakahashiMasami ShidaYoshinori Aoshima
    • H01M10/46
    • H02J7/0021B60L11/1864B60L11/1872B60L2240/545H02J7/0026H02J7/0091Y02T10/7011Y02T10/7016Y02T10/7055Y02T10/7061
    • A battery management system which can output a battery state enabling optimum charge and discharge control to be performed even when a temperature variation occurs among individual single cells. A plurality of temperature sensors measure temperature values of a battery. A measurement unit measures a voltage and a current of the battery. A maximum/minimum temperature selection unit in a calculation unit determines a maximum temperature and a minimum temperature from the temperature values measured by the temperature sensors. An available power calculation unit calculates respective values of maximum available charge and discharge powers or maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature based on the voltage and the current of the battery. A selection unit selects and outputs smaller maximum available charge and discharge powers or smaller maximum available charge and discharge currents from the respective values of the maximum available charge and discharge powers or the maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature, which are calculated by the calculation unit.
    • 即使在各个单电池之间发生温度变化,也能够输出能够进行最佳充放电控制的电池状态的电池管理系统。 多个温度传感器测量电池的温度值。 测量单元测量电池的电压和电流。 计算单元中的最大/最小温度选择单元根据由温度传感器测量的温度值确定最大温度和最低温度。 可用功率计算单元基于电池的电压和电流来计算对应于最大温度和最低温度的电池的最大可用充电和放电功率或最大可用充电和放电电流的值。 选择单元从相应于最大温度的电池的最大可用充电和放电功率或最大可用充电和放电电流的相应值中选择并输出较小的最大可用充电和放电功率或更小的最大可用充电和放电电流,以及 最小温度,由计算单位计算。