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    • 1. 发明授权
    • Apparatus and method for balancing of battery cell'S charge capacity
    • 用于平衡电池电池容量的装置和方法
    • US08054044B2
    • 2011-11-08
    • US12444712
    • 2008-07-28
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • H02J7/00
    • H02J7/0016Y02T10/7055
    • An apparatus for balancing charge capacity of battery cell includes a voltage sensing/discharging circuit having a battery with cell group, a switching unit for selectively connecting both terminals of each battery cell to conductive lines, capacitor connected to the conductive lines, a voltage amplifying unit connected to both terminals of capacitor via a first switch, and a discharge resistance connected to both terminals of capacitor via a second switch; and a voltage balancing unit for controlling the switching unit in ON state of first switch to connect both terminals of each battery cell to the conductive lines and then sense voltage of each battery cell through the voltage amplifying unit, and controlling the switching unit in OFF state of first switch to charge voltage of balancing-requiring cell to the capacitor and then turning on the second switch to discharge charged voltage of capacitor through the discharge resistance.
    • 用于平衡电池单元的充电容量的装置包括具有电池组的电压感测/放电电路,用于选择性地将每个电池单元的端子与导线相连的开关单元,连接到导线的电容器,电压放大单元 经由第一开关连接到电容器的两个端子,以及经由第二开关连接到电容器两端的放电电阻; 以及电压平衡单元,用于将开关单元控制在第一开关的接通状态,以将每个电池单元的两个端子连接到导线,然后通过电压放大单元感测每个电池单元的电压,并将开关单元控制在OFF状态 首先切换到平衡需求单元的电荷到电容器,然后接通第二开关以通过放电电阻放电电容器的充电电压。
    • 2. 发明授权
    • Apparatus and method for balancing charge capacity of battery cell
    • 用于平衡电池单元的充电容量的装置和方法
    • US08773070B2
    • 2014-07-08
    • US13242730
    • 2011-09-23
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • H02J7/00
    • H02J7/0016Y02T10/7055
    • An apparatus for balancing charge capacity of battery cell includes a voltage sensing/discharging circuit having a battery with cell group, a switching unit for selectively connecting both terminals of each battery cell to conductive lines, capacitor connected to the conductive lines, a voltage amplifying unit connected to both terminals of capacitor via a first switch, and a discharge resistance connected to both terminals of capacitor via a second switch; and a voltage balancing unit for controlling the switching unit in ON state of first switch to connect both terminals of each battery cell to the conductive lines and then sense voltage of each battery cell through the voltage amplifying unit, and controlling the switching unit in OFF state of first switch to charge voltage of balancing-requiring cell to the capacitor and then turning on the second switch to discharge charged voltage of capacitor through the discharge resistance.
    • 用于平衡电池单元的充电容量的装置包括具有电池组的电压感测/放电电路,用于选择性地将每个电池单元的端子与导线相连的开关单元,连接到导线的电容器,电压放大单元 经由第一开关连接到电容器的两个端子,以及经由第二开关连接到电容器两端的放电电阻; 以及电压平衡单元,用于将开关单元控制在第一开关的接通状态,以将每个电池单元的两个端子连接到导线,然后通过电压放大单元感测每个电池单元的电压,并将开关单元控制在OFF状态 首先切换到平衡需求单元的电荷到电容器,然后接通第二开关以通过放电电阻放电电容器的充电电压。
    • 3. 发明申请
    • APPARATUS AND METHOD FOR BALANCING OF BATTERY CELL'S CHARGE CAPACITY
    • 用于平衡电池电荷容量的装置和方法
    • US20100026241A1
    • 2010-02-04
    • US12444712
    • 2008-07-28
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • H02J7/00
    • H02J7/0016Y02T10/7055
    • An apparatus for balancing charge capacity of battery cell includes a voltage sensing/discharging circuit having a battery with cell group, a switching unit for selectively connecting both terminals of each battery cell to conductive lines, capacitor connected to the conductive lines, a voltage amplifying unit connected to both terminals of capacitor via a first switch, and a discharge resistance connected to both terminals of capacitor via a second switch; and a voltage balancing unit for controlling the switching unit in ON state of first switch to connect both terminals of each battery cell to the conductive lines and then sense voltage of each battery cell through the voltage amplifying unit, and controlling the switching unit in OFF state of first switch to charge voltage of balancing-requiring cell to the capacitor and then turning on the second switch to discharge charged voltage of capacitor through the discharge resistance.
    • 用于平衡电池单元的充电容量的装置包括具有电池组的电压感测/放电电路,用于选择性地将每个电池单元的端子与导线相连的开关单元,连接到导线的电容器,电压放大单元 经由第一开关连接到电容器的两个端子,以及经由第二开关连接到电容器两端的放电电阻; 以及电压平衡单元,用于将开关单元控制在第一开关的接通状态,以将每个电池单元的两端连接到导线,然后通过电压放大单元感测每个电池单元的电压,并将开关单元控制在OFF状态 首先切换到平衡需求单元的电荷到电容器,然后接通第二开关以通过放电电阻放电电容器的充电电压。
    • 4. 发明申请
    • APPARATUS AND METHOD FOR BALANCING CHARGE CAPACITY OF BATTERY CELL
    • 用于平衡电池电荷容量的装置和方法
    • US20120074906A1
    • 2012-03-29
    • US13242730
    • 2011-09-23
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • Ju-Hyun KangDo-Youn KimSang-Hoon Lee
    • H02J7/00
    • H02J7/0016Y02T10/7055
    • An apparatus for balancing charge capacity of battery cell includes a voltage sensing/discharging circuit having a battery with cell group, a switching unit for selectively connecting both terminals of each battery cell to conductive lines, capacitor connected to the conductive lines, a voltage amplifying unit connected to both terminals of capacitor via a first switch, and a discharge resistance connected to both terminals of capacitor via a second switch; and a voltage balancing unit for controlling the switching unit in ON state of first switch to connect both terminals of each battery cell to the conductive lines and then sense voltage of each battery cell through the voltage amplifying unit, and controlling the switching unit in OFF state of first switch to charge voltage of balancing-requiring cell to the capacitor and then turning on the second switch to discharge charged voltage of capacitor through the discharge resistance
    • 用于平衡电池单元的充电容量的装置包括具有电池组的电压感测/放电电路,用于选择性地将每个电池单元的端子与导线相连的开关单元,连接到导线的电容器,电压放大单元 经由第一开关连接到电容器的两个端子,以及经由第二开关连接到电容器两端的放电电阻; 以及电压平衡单元,用于将开关单元控制在第一开关的接通状态,以将每个电池单元的两个端子连接到导线,然后通过电压放大单元感测每个电池单元的电压,并将开关单元控制在OFF状态 的第一次开关,将平衡要求电池的电压充电到电容器,然后打开第二个开关,通过放电电阻放电电容器的充电电压
    • 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。
    • 8. 发明授权
    • Apparatus and method for sensing leakage current of battery
    • 用于检测电池漏电流的装置和方法
    • US08421466B2
    • 2013-04-16
    • US12792253
    • 2010-06-02
    • Ju-Hyun KangJee-Ho KimSang-Hoon LeeDong-Keun Kwon
    • Ju-Hyun KangJee-Ho KimSang-Hoon LeeDong-Keun Kwon
    • G01N27/416
    • G01R27/18B60L3/0069G01R31/025G01R31/362H01M10/052H01M10/42H01M10/48H01M10/482Y02E60/122
    • 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.
    • 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。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY
    • 用于感测电池漏电流的装置和方法
    • US20100237872A1
    • 2010-09-23
    • US12792253
    • 2010-06-02
    • Ju-Hyun KANGJee-Ho KimSang-Hoon LeeDong-Keun Kwon
    • Ju-Hyun KANGJee-Ho KimSang-Hoon LeeDong-Keun Kwon
    • G01N27/416
    • G01R27/18B60L3/0069G01R31/025G01R31/362H01M10/052H01M10/42H01M10/48H01M10/482Y02E60/122
    • 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.
    • 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。