Apparatus and method for sensing leakage current of battery, and battery-driven apparatus and battery pack comprising the apparatus
    1.
    发明授权
    Apparatus and method for sensing leakage current of battery, and battery-driven apparatus and battery pack comprising the apparatus 有权
    用于感测电池的泄漏电流的装置和方法,以及包括该装置的电池驱动装置和电池组

    公开(公告)号:US08207741B2

    公开(公告)日:2012-06-26

    申请号:US12696656

    申请日:2010-01-29

    IPC分类号: G01N27/416

    摘要: An apparatus for sensing a leakage current of a battery comprises a floating capacitor charged with a voltage detected from a cathode or anode terminal of a battery; a terminal selection switching unit for selecting a voltage detection path for the cathode or anode terminal; a charge switching unit for charging the floating capacitor with a detection voltage of the cathode or anode terminal, detected through the selected voltage detection path; a polarity reverse switching unit for reversing a polarity of the detection voltage of the anode terminal charged to the floating capacitor; and a leakage current determining unit for sensing the detection voltage of the cathode terminal charged to the floating capacitor and the polarity-reversed detection voltage of the anode terminal charged to the floating capacitor to calculate a leakage resistance, and comparing the calculated leakage resistance with a criterion insulation resistance to determine whether a leakage current occurs.

    摘要翻译: 一种用于感测电池漏电流的装置包括:充有从电池的阴极或阳极端检测的电压的浮动电容器; 终端选择切换单元,用于选择阴极或阳极端子的电压检测路径; 充电切换单元,用于通过所选择的电压检测路径检测到具有阴极或阳极端子的检测电压的浮动电容器; 极性反转切换单元,用于反转充电到浮动电容器的阳极端子的检测电压的极性; 以及泄漏电流确定单元,用于感测充电到浮动电容器的阴极端子的检测电压和充电到浮动电容器的阳极端子的极性反转检测电压,以计算泄漏电阻,并将计算出的漏电阻与 标准绝缘电阻,以确定是否发生漏电流。

    APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY, AND BATTERY-DRIVEN APPARATUS AND BATTERY PACK COMPRISING THE APPARATUS
    2.
    发明申请
    APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY, AND BATTERY-DRIVEN APPARATUS AND BATTERY PACK COMPRISING THE APPARATUS 有权
    用于感测电池漏电流的装置和方法,以及电池驱动装置和包含装置的电池组

    公开(公告)号:US20100156426A1

    公开(公告)日:2010-06-24

    申请号:US12696656

    申请日:2010-01-29

    IPC分类号: G01N27/02 G01R27/26

    摘要: An apparatus for sensing a leakage current of a battery comprises a floating capacitor charged with a voltage detected from a cathode or anode terminal of a battery; a terminal selection switching unit for selecting a voltage detection path for the cathode or anode terminal; a charge switching unit for charging the floating capacitor with a detection voltage of the cathode or anode terminal, detected through the selected voltage detection path; a polarity reverse switching unit for reversing a polarity of the detection voltage of the anode terminal charged to the floating capacitor; and a leakage current determining unit for sensing the detection voltage of the cathode terminal charged to the floating capacitor and the polarity-reversed detection voltage of the anode terminal charged to the floating capacitor to calculate a leakage resistance, and comparing the calculated leakage resistance with a criterion insulation resistance to determine whether a leakage current occurs.

    摘要翻译: 一种用于感测电池漏电流的装置包括:充有从电池的阴极或阳极端检测的电压的浮动电容器; 终端选择切换单元,用于选择阴极或阳极端子的电压检测路径; 充电切换单元,用于通过所选择的电压检测路径检测到具有阴极或阳极端子的检测电压的浮动电容器; 极性反转切换单元,用于反转充电到浮动电容器的阳极端子的检测电压的极性; 以及泄漏电流确定单元,用于感测充电到浮动电容器的阴极端子的检测电压和充电到浮动电容器的阳极端子的极性反转检测电压,以计算泄漏电阻,并将计算出的漏电阻与 标准绝缘电阻,以确定是否发生漏电流。

    Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus
    3.
    发明授权
    Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus 有权
    控制开关单元的装置和方法,以及包括所述装置的电池组和电池管理装置

    公开(公告)号:US08564156B2

    公开(公告)日:2013-10-22

    申请号:US12699147

    申请日:2010-02-03

    IPC分类号: H01H33/59

    摘要: Disclosed are an apparatus and method of controlling switch units between a battery pack and a load, and a battery pack and a battery management system comprising the same. The apparatus comprises a memory for storing the turn-off number and order of first and second switch units connecting the battery pack with the load according to current ranges; and a control unit for equalizing the turn-off order of the first switch unit and the second switch unit with reference to the turn-off number and order in a current range corresponding to a magnitude level of discharge current of a battery. Accordingly, the present invention reduces the frequency of breakdown or malfunction of the switch units and increases the using period of the switch units.

    摘要翻译: 公开了一种控制电池组和负载之间的开关单元的装置和方法,以及包括该装置和电池组的电池组和电池管理系统。 该装置包括存储器,用于存储根据电流范围将电池组与负载连接的第一和第二开关单元的关断数量和顺序; 以及控制单元,用于根据与电池的放电电流的幅度电平相对应的电流范围内的关断数量和顺序来均衡第一开关单元和第二开关单元的关断顺序。 因此,本发明降低了开关单元的故障或故障的频率,并增加了开关单元的使用周期。

    Apparatus and method for sensing leakage current of battery
    4.
    发明授权
    Apparatus and method for sensing leakage current of battery 有权
    用于检测电池漏电流的装置和方法

    公开(公告)号:US08421466B2

    公开(公告)日:2013-04-16

    申请号:US12792253

    申请日:2010-06-02

    IPC分类号: G01N27/416

    摘要: An apparatus for sensing a leakage current of a battery comprises a floating capacitor charged with voltage detected from a cathode or anode terminal of a battery, a cathode terminal selection switching unit for selecting a voltage detection path for the cathode terminal and charging the floating capacitor with a detection voltage of the cathode terminal, an anode terminal selection switching unit for selecting a voltage detection path for the anode terminal and charging the floating capacitor with a detection voltage of the anode terminal, a DC voltage applying unit for applying DC voltage through the voltage detection path for the anode terminal, a voltage measuring unit for measuring the charged detection voltage of the cathode or anode terminal, and a leakage current determining unit for determining the occurrence of leakage current based on the measured detection voltages of the cathode and anode terminals.

    摘要翻译: 一种用于感测电池漏电流的装置,包括充电电池从电池阴极或阳极端检测的电压的浮动电容器,阴极端子选择开关单元,用于选择阴极端子的电压检测路径,并将浮动电容器充电至 阴极端子的检测电压;阳极端子选择开关单元,用于选择阳极端子的电压检测路径,并利用阳极端子的检测电压对浮动电容器充电;直流电压施加单元,用于通过电压施加直流电压 用于阳极端子的检测路径,用于测量阴极或阳极端子的充电检测电压的电压测量单元,以及用于基于所测量的阴极和阳极端子的检测电压来确定泄漏电流的发生的漏电流确定单元。

    APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY
    6.
    发明申请
    APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY 有权
    用于感测电池漏电流的装置和方法

    公开(公告)号:US20100237872A1

    公开(公告)日:2010-09-23

    申请号:US12792253

    申请日:2010-06-02

    IPC分类号: G01N27/416

    摘要: An apparatus for sensing a leakage current of a battery comprises a floating capacitor charged with voltage detected from a cathode or anode terminal of a battery, a cathode terminal selection switching unit for selecting a voltage detection path for the cathode terminal and charging the floating capacitor with a detection voltage of the cathode terminal, an anode terminal selection switching unit for selecting a voltage detection path for the anode terminal and charging the floating capacitor with a detection voltage of the anode terminal, a DC voltage applying unit for applying DC voltage through the voltage detection path for the anode terminal, a voltage measuring unit for measuring the charged detection voltage of the cathode or anode terminal, and a leakage current determining unit for determining the occurrence of leakage current based on the measured detection voltages of the cathode and anode terminals.

    摘要翻译: 一种用于感测电池漏电流的装置,包括充电电池从电池阴极或阳极端检测的电压的浮动电容器,阴极端子选择开关单元,用于选择阴极端子的电压检测路径,并将浮动电容器充电至 阴极端子的检测电压;阳极端子选择开关单元,用于选择阳极端子的电压检测路径,并利用阳极端子的检测电压对浮动电容器充电;直流电压施加单元,用于通过电压施加直流电压 用于阳极端子的检测路径,用于测量阴极或阳极端子的充电检测电压的电压测量单元,以及用于基于所测量的阴极和阳极端子的检测电压来确定泄漏电流的发生的漏电流确定单元。