Battery management system and driving method thereof
    2.
    发明授权
    Battery management system and driving method thereof 有权
    电池管理系统及其驱动方法

    公开(公告)号:US07548821B2

    公开(公告)日:2009-06-16

    申请号:US11771733

    申请日:2007-06-29

    IPC分类号: G01R31/36

    CPC分类号: G01R31/3658 G01R31/3662

    摘要: The present invention relates to a battery management system and method. In some embodiments the battery management system includes a sensing unit and a micro controller unit (MCU). The sensing unit measures the current, the voltage and the temperature of a battery. The MCU receives the voltages, the currents, and the temperatures, calculates an estimated cell voltage, by applying a pack voltage sensing error and the cell voltage deviation to the cell voltages, and calculates an estimated cell resistance, by adding a pack assembly resistance to an internal resistance of the cell, and calculates an pack output of the battery by using the estimated cell voltage and the estimated cell resistance.

    摘要翻译: 本发明涉及电池管理系统和方法。 在一些实施例中,电池管理系统包括感测单元和微控制器单元(MCU)。 感测单元测量电池的电流,电压和温度。 MCU接收电压,电流和温度,通过对电池电压施加电池电压检测误差和电池电压偏差来计算估计的电池电压,并通过将包装组装电阻加到 电池的内部电阻,并且通过使用估计的电池电压和所估计的电池电阻来计算电池的包装输出。

    Battery management system and method of operating same
    7.
    发明授权
    Battery management system and method of operating same 有权
    电池管理系统和操作方法相同

    公开(公告)号:US07800345B2

    公开(公告)日:2010-09-21

    申请号:US11736832

    申请日:2007-04-18

    IPC分类号: H02J7/00 G01N27/416 G08B21/00

    摘要: A battery management system and a method of operating the same includes a plurality of battery cells constituting one pack and connected to a battery having at least one pack, and determines an estimated state of charge (SOC) of the battery. The battery management system determines whether or not a pack current flows, and controls a reset of an SOC depending on the determination result. The battery management system sets an OCV idle period associated with a temperature of the battery, and compares the idle period with a time for which the current of the battery does not flow, and sets the reset OCV depending on the comparison result. The battery management system resets the estimated SOC as the reset SOC associated with the reset OCV.

    摘要翻译: 电池管理系统及其操作方法包括构成一个组件的多个电池单元并且连接到具有至少一个组件的电池,并且确定电池的估计充电状态(SOC)。 电池管理系统确定包电流是否流动,并且根据确定结果来控制SOC的复位。 电池管理系统设定与电池的温度相关联的OCV空闲时段,并且将空闲时段与电池的电流不流动的时间进行比较,并且根据比较结果设置复位OCV。 电池管理系统将估计的SOC复位为与复位OCV相关联的复位SOC。

    BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF
    9.
    发明申请
    BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF 有权
    电池管理系统及其驱动方法

    公开(公告)号:US20080091362A1

    公开(公告)日:2008-04-17

    申请号:US11771733

    申请日:2007-06-29

    IPC分类号: G01R31/36

    CPC分类号: G01R31/3658 G01R31/3662

    摘要: The present invention relates to a battery management system and method. In some embodiments the battery management system includes a sensing unit and an MCU. The sensing unit measures the current, the voltage and the temperature of a battery. The MCU receives the voltages, the currents, and the temperatures, calculates an estimated cell voltage, by applying a pack voltage sensing error and the cell voltage deviation to the cell voltages, and calculates an estimated cell resistance, by adding a pack assembly resistance to an internal resistance of the cell, and calculates an pack output of the battery by using the estimated cell voltage and the estimated cell resistance.

    摘要翻译: 本发明涉及电池管理系统和方法。 在一些实施例中,电池管理系统包括感测单元和MCU。 感测单元测量电池的电流,电压和温度。 MCU接收电压,电流和温度,通过对电池电压施加电池电压检测误差和电池电压偏差来计算估计的电池电压,并通过将包装组装电阻加到 电池的内部电阻,并且通过使用估计的电池电压和所估计的电池电阻来计算电池的包装输出。

    Battery management system and driving method thereof
    10.
    发明授权
    Battery management system and driving method thereof 有权
    电池管理系统及其驱动方法

    公开(公告)号:US08111071B2

    公开(公告)日:2012-02-07

    申请号:US11858798

    申请日:2007-09-20

    IPC分类号: G01N27/416 H02J7/00

    摘要: A sensing and control apparatus for a battery management system is provided. The sensing and control apparatus includes: a sensing unit and a main control unit. The sensing unit includes: a cell relay of a plurality of cell relays and a voltage detection unit. The cell relay is configured to be coupled to at least one of a plurality of cells. The voltage detection unit is coupled to a cell relay. The voltage detection unit is configured to: receive a reference voltage when each of the plurality of cell relays is turned off; and generate a second voltage by amplifying by a gain a first voltage that corresponds to the reference voltage. The main control unit is configured to calculate a valid gain corresponding to a ratio of the second voltage to the reference voltage when the temperature of the voltage detection unit is within a threshold temperature range.

    摘要翻译: 提供了一种用于电池管理系统的感测和控制装置。 感测和控制装置包括:感测单元和主控制单元。 感测单元包括:多个单元继电器的单元继电器和电压检测单元。 小区中继被配置为耦合到多个小区中的至少一个小区。 电压检测单元耦合到电池继电器。 电压检测单元被配置为:当多个单电池继电器中的每一个被关闭时,接收参考电压; 并且通过增益放大对应于参考电压的第一电压来产生第二电压。 主控制单元被配置为当电压检测单元的温度在阈值温度范围内时,计算对应于第二电压与参考电压的比率的有效增益。