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 for diagnosing abnormality in cell balancing circuit
    3.
    发明授权
    Apparatus and method for diagnosing abnormality in cell balancing circuit 有权
    用于诊断电池平衡电路异常的装置和方法

    公开(公告)号:US08902072B2

    公开(公告)日:2014-12-02

    申请号:US13195578

    申请日:2011-08-01

    摘要: Provided are an apparatus and a method for diagnosing an abnormality in a cell balancing circuit. The apparatus may include a plurality of cell balancing circuits respectively connected to a plurality of battery cells included in a battery pack for balancing the voltages of the battery cells, a diagnosis resistor respectively installed between the cell balancing circuit and a cathode terminal and an anode terminal of the corresponding battery cell, a voltage measuring unit for measuring a voltage difference of the balancing circuit corresponding to each of the battery cells, and a control unit for turning on or off a cell balancing circuit to be diagnosed and for determining whether there is an abnormality in the cell balancing circuit to be diagnosed, based on a variation pattern of a voltage difference of a cell balancing circuit adjacent to the cell balancing circuit to be diagnosed that is measured by the voltage measuring unit.

    摘要翻译: 提供了用于诊断电池平衡电路中的异常的装置和方法。 该装置可以包括分别连接到电池组中包括的用于平衡电池单元的电压的多个电池单元的多个电池平衡电路,分别安装在电池平衡电路和阴极端子之间的诊断电阻器和阳极端子 相对应的电池单元的电压测量单元,用于测量与每个电池单元相对应的平衡电路的电压差的电压测量单元,以及用于接通或关闭要诊断的单元平衡电路并用于确定是否存在 基于由电压测量单元测量的要被诊断的单元平衡电路相邻的单元平衡电路的电压差的变化模式,来诊断的单元平衡电路中的异常。

    APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT
    4.
    发明申请
    APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT 有权
    用于诊断细胞平衡电路异常的装置和方法

    公开(公告)号:US20110285538A1

    公开(公告)日:2011-11-24

    申请号:US13195578

    申请日:2011-08-01

    IPC分类号: G08B21/00 G01N27/416

    摘要: Provided are an apparatus and a method for diagnosing an abnormality in a cell balancing circuit. The apparatus may include a plurality of cell balancing circuits respectively connected to a plurality of battery cells included in a battery pack for balancing the voltages of the battery cells, a diagnosis resistor respectively installed between the cell balancing circuit and a cathode terminal and an anode terminal of the corresponding battery cell, a voltage measuring unit for measuring a voltage difference of the balancing circuit corresponding to each of the battery cells, and a control unit for turning on or off a cell balancing circuit to be diagnosed and for determining whether there is an abnormality in the cell balancing circuit to be diagnosed, based on a variation pattern of a voltage difference of a cell balancing circuit adjacent to the cell balancing circuit to be diagnosed that is measured by the voltage measuring unit.

    摘要翻译: 提供了用于诊断电池平衡电路中的异常的装置和方法。 该装置可以包括分别连接到电池组中包括的用于平衡电池单元的电压的多个电池单元的多个电池平衡电路,分别安装在电池平衡电路和阴极端子之间的诊断电阻器和阳极端子 相对应的电池单元的电压测量单元,用于测量与每个电池单元相对应的平衡电路的电压差的电压测量单元,以及用于接通或关闭要诊断的单元平衡电路并用于确定是否存在 基于由电压测量单元测量的要被诊断的单元平衡电路相邻的单元平衡电路的电压差的变化模式,来诊断的单元平衡电路中的异常。

    Cell voltage measuring apparatus and method of battery pack having multiplexers to output voltage signal of each cell
    5.
    发明授权
    Cell voltage measuring apparatus and method of battery pack having multiplexers to output voltage signal of each cell 有权
    具有多路复用器的电池组的电池电压测量装置和方法,用于输出每个电池的电压信号

    公开(公告)号:US08860421B2

    公开(公告)日:2014-10-14

    申请号:US13050493

    申请日:2011-03-17

    摘要: A cell voltage measuring apparatus of a battery pack comprises a plurality of multiplexers connected corresponding to each cell group of the battery pack and operated to output a voltage signal of each cell in each cell group based on a reference potential applied from a corresponding cell group; a plurality of floating capacitors connected corresponding to each cell in each cell group and on which the voltage of each cell is charged and held; a switching means for enabling the voltage of each cell to be charged and held on each corresponding floating capacitor; and a controller for controlling the switching means per each cell group to enable the voltage of each cell to be charged and held on each corresponding floating capacitor and controlling each multiplexer to measure the cell voltage held on each floating capacitor of each cell group connected to each corresponding multiplexer.

    摘要翻译: 电池组的电池电压测量装置包括对应于电池组的每个电池组连接的多个多路复用器,并且被操作以基于从相应的电池组施加的参考电位输出每个电池组中的每个电池单元的电压信号; 与每个单元组中的每个单元对应地连接的多个浮置电容器,并且在每个单元组中对每个单元的电压进行充电和保持; 开关装置,用于使每个电池的电压被充电并保持在每个对应的浮动电容器上; 以及控制器,用于控制每个单元组的开关装置,以使每个单元的电压被充电并保持在每个相应的浮动电容器上,并且控制每个多路复用器以测量保持在每个单元组连接的每个单元组的每个浮置电容器上的单元电压 相应的多路复用器。

    Multi battery pack system, control method thereof, and battery pack using the same
    6.
    发明授权
    Multi battery pack system, control method thereof, and battery pack using the same 有权
    多电池组系统,其控制方法和使用其的电池组

    公开(公告)号:US08018205B2

    公开(公告)日:2011-09-13

    申请号:US12796134

    申请日:2010-06-08

    IPC分类号: H02J7/00 H02J7/24

    摘要: A multi battery pack system is composed of a plurality of battery packs. The master battery pack receives a total voltage from each slave battery pack and calculates a target total voltage using its total voltage and total voltages of all slave battery pack whenever a predetermined time period passes, sends the calculated target total voltage to each slave battery pack, compares the target total voltage with its total voltage, and then connects or disconnects its cell group and output terminals according to the comparison result. The slave battery packs include at least one slave battery pack, which sends its total voltage according to a request of the master battery pack, receives a target total voltage from the master battery pack, compares the target total voltage with its total voltage, and then connects or disconnects its cell group and output terminals according to the comparison result.

    摘要翻译: 多电池组系统由多个电池组组成。 主电池组从每个从电池组接收总电压,并且在预定时间段过去时,使用其所有从属电池组的总电压和总电压来计算目标总电压,将计算出的目标总电压发送到每个从属电池组, 将目标总电压与其总电压进行比较,然后根据比较结果连接或断开其单元组和输出端子。 从电池组包括至少一个从电池组,其根据主电池组的请求发送其总电压,从主电池组接收目标总电压,将目标总电压与其总电压进行比较,然后 根据比较结果连接或断开其单元组和输出端子。

    BATTERY CELL VOLTAGE MEASURING APPARATUS AND METHOD
    8.
    发明申请
    BATTERY CELL VOLTAGE MEASURING APPARATUS AND METHOD 有权
    电池电压测量装置及方法

    公开(公告)号:US20100271035A1

    公开(公告)日:2010-10-28

    申请号:US12830737

    申请日:2010-07-06

    IPC分类号: G01N27/416

    摘要: Disclosed is a battery cell voltage measuring apparatus and method. The battery cell voltage measuring apparatus comprises a plurality of floating capacitors provided corresponding to a plurality of cells contained in a battery pack; a plurality of switching units provided corresponding to each cell of the battery pack and switchable into a charge mode or a measurement mode; and a cell voltage detector for measuring the voltage of each cell by switching each switching unit into a charge mode to charge the voltage of each cell on each corresponding floating capacitor and time-differentially switching each switching unit into a measurement mode to apply the cell voltage charged on the floating capacitor between a reference potential and a common cell voltage measuring line.

    摘要翻译: 公开了一种电池单元电压测量装置和方法。 电池单元电压测量装置包括与容纳在电池组中的多个电池对应地设置的多个浮动电容器; 多个开关单元,其对应于电池组的每个单元设置并可切换到充电模式或测量模式; 以及电池电压检测器,用于通过将每个开关单元切换到充电模式来测量每个电池的电压,以对每个相应的浮动电容器上的每个电池单元的电压进行充电,并将每个开关单元时差地切换成测量模式以施加电池电压 在参考电位和公共电池电压测量线之间的浮动电容器上充电。

    Apparatus and method for diagnosing abnormality in cell balancing circuit
    9.
    发明授权
    Apparatus and method for diagnosing abnormality in cell balancing circuit 有权
    用于诊断电池平衡电路异常的装置和方法

    公开(公告)号:US08643500B2

    公开(公告)日:2014-02-04

    申请号:US13195633

    申请日:2011-08-01

    IPC分类号: G08B21/00 H02J7/00

    摘要: Provided are an apparatus and a method for diagnosing an abnormality in a cell balancing circuit. The apparatus may include a floating capacitor charged with voltage of a battery cell, a cell balancing circuit for discharging the floating capacitor, a voltage measuring unit for measuring the battery cell voltage of the charged floating capacitor and a residual voltage of the discharged floating capacitor, and a control unit for determining an abnormality in the cell balancing circuit based on the residual voltage of the discharged floating capacitor.

    摘要翻译: 提供了用于诊断电池平衡电路中的异常的装置和方法。 该装置可以包括充电电池单元的电压的浮动电容器,用于放电浮动电容器的单元平衡电路,用于测量充电的浮置电容器的电池单体电压的电压测量单元和放电的浮动电容器的剩余电压, 以及控制单元,用于基于放电的浮动电容器的剩余电压来确定电池平衡电路中的异常。

    APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT
    10.
    发明申请
    APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT 有权
    用于诊断细胞平衡电路异常的装置和方法

    公开(公告)号:US20110285539A1

    公开(公告)日:2011-11-24

    申请号:US13195633

    申请日:2011-08-01

    IPC分类号: G08B21/00 G01R31/02 H02J7/00

    摘要: Provided are an apparatus and a method for diagnosing an abnormality in a cell balancing circuit. The apparatus may include a floating capacitor charged with voltage of a battery cell, a cell balancing circuit for discharging the floating capacitor, a voltage measuring unit for measuring the battery cell voltage of the charged floating capacitor and a residual voltage of the discharged floating capacitor, and a control unit for determining an abnormality in the cell balancing circuit based on the residual voltage of the discharged floating capacitor.

    摘要翻译: 提供了用于诊断电池平衡电路中的异常的装置和方法。 该装置可以包括充电电池单元的电压的浮动电容器,用于放电浮动电容器的单元平衡电路,用于测量充电的浮置电容器的电池单体电压的电压测量单元和放电的浮动电容器的剩余电压, 以及控制单元,用于基于放电的浮动电容器的剩余电压来确定电池平衡电路中的异常。