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1. 发明申请

US20120074906A1 APPARATUS AND METHOD FOR BALANCING CHARGE CAPACITY OF BATTERY CELL 有权
标题翻译：用于平衡电池电荷容量的装置和方法
公开(公告)号：US20120074906A1
公开(公告)日：2012-03-29
申请号：US13242730
申请日：2011-09-23
申请人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
发明人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： 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
摘要翻译：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

2. 发明授权

US08773070B2 Apparatus and method for balancing charge capacity of battery cell 有权
标题翻译：用于平衡电池单元的充电容量的装置和方法
公开(公告)号：US08773070B2
公开(公告)日：2014-07-08
申请号：US13242730
申请日：2011-09-23
申请人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
发明人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： 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.
摘要翻译：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

US20100026241A1 APPARATUS AND METHOD FOR BALANCING OF BATTERY CELL'S CHARGE CAPACITY 有权
标题翻译：用于平衡电池电荷容量的装置和方法
公开(公告)号：US20100026241A1
公开(公告)日：2010-02-04
申请号：US12444712
申请日：2008-07-28
申请人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
发明人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： 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.
摘要翻译：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. 发明授权

US08054044B2 Apparatus and method for balancing of battery cell'S charge capacity 有权
标题翻译：用于平衡电池电池容量的装置和方法
公开(公告)号：US08054044B2
公开(公告)日：2011-11-08
申请号：US12444712
申请日：2008-07-28
申请人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
发明人： Ju-Hyun Kang , Do-Youn Kim , Sang-Hoon Lee
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： 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.
摘要翻译：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。

5. 发明授权

US08004238B2 Apparatus for balancing of battery pack having function of prevention of over-discharge 有权
标题翻译：用于平衡具有防止过放电功能的电池组的装置
公开(公告)号：US08004238B2
公开(公告)日：2011-08-23
申请号：US12815780
申请日：2010-06-15
申请人： Ju-Young Kim , Do-Yang Jung , Do-Youn Kim , Ju-Hyun Kang
发明人： Ju-Young Kim , Do-Yang Jung , Do-Youn Kim , Ju-Hyun Kang
IPC分类号： H02J7/00
CPC分类号： H01M10/441 , H01M2/34 , H01M10/0525 , H01M10/44 , H02J7/0016
摘要： An apparatus balances a charging voltage of each battery cell of a battery pack. The apparatus includes a discharge resistor installed on a conductive line connected to both ends of a battery cell in parallel; a balance signal relay unit for relaying a charging voltage of the battery cell according to a balance control signal; and a discharge switching unit for receiving the relayed charging voltage of the battery cell as a driving voltage and connecting the battery cell to the discharge resistor to discharge the battery cell if the driving voltage is over an effective voltage level. This apparatus prevents overcharging of a battery cell, caused by a failure of a control processor, while balancing a charging voltage of battery cells. Also, the control processor may be protected against an electric impact by electrical insulation from a discharge circuit. Accordingly, the safety of the battery pack is improved.
摘要翻译：一种装置平衡电池组的每个电池单元的充电电压。该装置包括安装在并联电池单元的两端的导线上的放电电阻器; 平衡信号中继单元，用于根据平衡控制信号中继电池单元的充电电压; 以及放电切换单元，用于接收电池单元的中继充电电压作为驱动电压，并且如果驱动电压超过有效电压电平，则将电池单元连接到放电电阻器以对电池单元进行放电。该装置可以在平衡电池单元的充电电压的同时防止由控制处理器的故障引起的电池单元的过充电。此外，可以通过与放电电路的电绝缘来防止控制处理器的电击。因此，提高了电池组的安全性。

6. 发明申请

US20100253287A1 APPARATUS FOR BALANCING OF BATTERY PACK HAVING FUNCTION OF PREVENTION OF OVER-DISCHARGE 有权
标题翻译：用于平衡具有防止放电功能的电池组的装置
公开(公告)号：US20100253287A1
公开(公告)日：2010-10-07
申请号：US12815780
申请日：2010-06-15
申请人： Ju-Young Kim , Do-Yang Jung , Do-Youn Kim , Ju-Hyun Kang
发明人： Ju-Young Kim , Do-Yang Jung , Do-Youn Kim , Ju-Hyun Kang
IPC分类号： H02J7/00
CPC分类号： H01M10/441 , H01M2/34 , H01M10/0525 , H01M10/44 , H02J7/0016
摘要： An apparatus balances a charging voltage of each battery cell of a battery pack. The apparatus includes a discharge resistor installed on a conductive line connected to both ends of a battery cell in parallel; a balance signal relay unit for relaying a charging voltage of the battery cell according to a balance control signal; and a discharge switching unit for receiving the relayed charging voltage of the battery cell as a driving voltage and connecting the battery cell to the discharge resistor to discharge the battery cell if the driving voltage is over an effective voltage level. This apparatus prevents overcharging of a battery cell, caused by a failure of a control processor, while balancing a charging voltage of battery cells. Also, the control processor may be protected against an electric impact by electrical insulation from a discharge circuit. Accordingly, the safety of the battery pack is improved.
摘要翻译：一种装置平衡电池组的每个电池单元的充电电压。该装置包括安装在并联电池单元的两端的导线上的放电电阻器; 平衡信号中继单元，用于根据平衡控制信号中继电池单元的充电电压; 以及放电切换单元，用于接收电池单元的中继充电电压作为驱动电压，并且如果驱动电压超过有效电压电平，则将电池单元连接到放电电阻器以对电池单元进行放电。该装置可以在平衡电池单元的充电电压的同时防止由控制处理器的故障引起的电池单元的过充电。此外，可以通过与放电电路的电绝缘来防止控制处理器的电击。因此，提高了电池组的安全性。

7. 发明授权

US08902072B2 Apparatus and method for diagnosing abnormality in cell balancing circuit 有权
标题翻译：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
申请人： Sang-Hoon Lee , Dal-Hoon Lee , Ju-Hyun Kang , Jee-Ho Kim
发明人： Sang-Hoon Lee , Dal-Hoon Lee , Ju-Hyun Kang , Jee-Ho Kim
IPC分类号： G08B21/00 , G01R31/28 , H02J7/00 , G01R31/36
CPC分类号： G01R31/28 , G01R31/3658 , H02J7/0016 , Y02T10/7055
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。

8. 发明授权

US08207741B2 Apparatus and method for sensing leakage current of battery, and battery-driven apparatus and battery pack comprising the apparatus 有权
标题翻译：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
申请人： Ju-Hyun Kang , Dal-Hoon Lee , Jee-Ho Kim , Sang-Hoon Lee , Dong-Keun Kwon
发明人： Ju-Hyun Kang , Dal-Hoon Lee , Jee-Ho Kim , Sang-Hoon Lee , Dong-Keun Kwon
IPC分类号： G01N27/416
CPC分类号： G01R31/025 , B60L3/0046 , B60L3/0069 , B60L3/12 , B60L2240/547 , B60L2240/549 , B60L2270/147 , G01R31/006 , G01R31/36
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。

9. 发明申请

US20110285538A1 APPARATUS AND METHOD FOR DIAGNOSING ABNORMALITY IN CELL BALANCING CIRCUIT 有权
标题翻译：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
申请人： Sang-Hoon LEE , Dal-Hoon Lee , Ju-Hyun Kang , Jee-Ho Kim
发明人： Sang-Hoon LEE , Dal-Hoon Lee , Ju-Hyun Kang , Jee-Ho Kim
IPC分类号： G08B21/00 , G01N27/416
CPC分类号： G01R31/28 , G01R31/3658 , H02J7/0016 , Y02T10/7055
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。

10. 发明授权

US08421466B2 Apparatus and method for sensing leakage current of battery 有权
标题翻译：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
申请人： Ju-Hyun Kang , Jee-Ho Kim , Sang-Hoon Lee , Dong-Keun Kwon
发明人： Ju-Hyun Kang , Jee-Ho Kim , Sang-Hoon Lee , Dong-Keun Kwon
IPC分类号： G01N27/416
CPC分类号： G01R27/18 , B60L3/0069 , G01R31/025 , G01R31/362 , H01M10/052 , H01M10/42 , H01M10/48 , H01M10/482 , Y02E60/122
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。

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