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    • 1. 发明申请
    • APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT
    • 用于诊断细胞平衡电路异常的装置和方法
    • US20110285538A1
    • 2011-11-24
    • US13195578
    • 2011-08-01
    • Sang-Hoon LEEDal-Hoon LeeJu-Hyun KangJee-Ho Kim
    • Sang-Hoon LEEDal-Hoon LeeJu-Hyun KangJee-Ho Kim
    • G08B21/00G01N27/416
    • 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。
    • 3. 发明申请
    • CELL VOLTAGE MEASURING APPARATUS AND METHOD OF BATTERY PACK
    • 电池电压测量装置和电池组的方法
    • US20110210747A1
    • 2011-09-01
    • US13050493
    • 2011-03-17
    • Jin-Seok HEOJee-Ho KIMDal-Hoon LEESang-Hoon LEE
    • Jin-Seok HEOJee-Ho KIMDal-Hoon LEESang-Hoon LEE
    • G01N27/416
    • G01R31/3658B60L11/1855B60L11/1859B60L11/1866G01R19/16542G01R31/362H01M10/48H02J7/0021Y02T10/7005Y02T10/7061
    • 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.
    • 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。