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    • 1. 发明申请
    • BATTERY CELL VOLTAGE MEASURING APPARATUS AND METHOD
    • 电池电压测量装置及方法
    • US20100271035A1
    • 2010-10-28
    • US12830737
    • 2010-07-06
    • Jin-Seok HEODal-Hoon LeeJee-Ho KimSang-Hoon LeeChang-Eon Jin
    • Jin-Seok HEODal-Hoon LeeJee-Ho KimSang-Hoon LeeChang-Eon Jin
    • G01N27/416
    • G01R31/3658G01R19/0084G01R31/362
    • 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.
    • 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。
    • 5. 发明授权
    • Apparatus and method for diagnosing abnormality in cell balancing circuit
    • 用于诊断电池平衡电路异常的装置和方法
    • US08902072B2
    • 2014-12-02
    • US13195578
    • 2011-08-01
    • Sang-Hoon LeeDal-Hoon LeeJu-Hyun KangJee-Ho Kim
    • Sang-Hoon LeeDal-Hoon LeeJu-Hyun KangJee-Ho Kim
    • G08B21/00G01R31/28H02J7/00G01R31/36
    • G01R31/28G01R31/3658H02J7/0016Y02T10/7055
    • 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.
    • 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。
    • 7. 发明授权
    • Battery cell voltage measuring apparatus and method
    • 电池电压测量装置及方法
    • US08129997B2
    • 2012-03-06
    • US12830737
    • 2010-07-06
    • Jin-Seok HeoDal-Hoon LeeJee-Ho KimSang-Hoon LeeChang-Eon Jin
    • Jin-Seok HeoDal-Hoon LeeJee-Ho KimSang-Hoon LeeChang-Eon Jin
    • G01N27/416
    • G01R31/3658G01R19/0084G01R31/362
    • 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.
    • 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。