公开(公告)号：US08144024B2

公开(公告)日：2012-03-27

申请号：US12672291

申请日：2008-08-08

申请人： Volodymyr Akimov ,  Ju-Hyun Kang

发明人： Volodymyr Akimov ,  Ju-Hyun Kang

IPC分类号： G08B21/00

CPC分类号： G01R31/025 ,  G01R31/3679

摘要： An apparatus for sensing leakage current of a battery includes a voltage distribution node installed on a first conductive line connecting both terminals of a battery; first and second switches installed between the voltage distribution node and positive/negative terminals of the battery; an insulation resistance and a current sensing resistance installed on a second conductive line connecting the voltage distribution node to a ground; a DC voltage applying unit for applying positive/negative DC voltage to a ground-side end of the current sensing resistance to induce potential difference between the voltage distribution node and the DC voltage applying node; and a leakage current determining unit for sensing magnitude of electric current flowing through the current sensing resistance according to the induced potential difference in turning-on state of the switches, and then determining leakage current by checking whether the magnitude of electric current is out of standard level over threshold value.

摘要翻译： 一种用于感测电池的漏电流的装置包括安装在连接电池两端的第一导线上的电压分配节点; 第一和第二开关安装在电压分配节点和电池的正极/负极端子之间; 安装在将电压分配节点连接到地面的第二导线上的绝缘电阻和电流感测电阻; 直流电压施加单元，用于将正/负直流电压施加到电流感测电阻的接地端，以诱导电压分配节点和直流电压施加节点之间的电位差; 以及泄漏电流确定单元，用于根据所述开关的导通状态中的感应电位差来感测流过所述电流感测电阻的电流的大小，然后通过检查电流的大小是否超出标准来确定泄漏电流 超过阈值。

公开(公告)号：US08129995B2

公开(公告)日：2012-03-06

申请号：US12672283

申请日：2008-08-08

申请人： Ju-Hyun Kang ,  Volodymyr Akimov

发明人： Ju-Hyun Kang ,  Volodymyr Akimov

IPC分类号： G01N27/416 ,  H02J7/00 ,  H02J7/04 ,  H02J7/16

CPC分类号： G01R15/16 ,  G01R31/3658

摘要： An apparatus for measuring a battery cell voltage includes a battery having a cell group; a first switching unit for selectively connecting both terminals of each battery cell of the cell group to conductive lines; a first voltage charging unit connected between the conductive lines to primarily charge a cell voltage; a second voltage charging unit for relaying the charged voltage in the first voltage charging unit for secondary charging; a cell voltage sensing unit for sensing the voltage charged in the second voltage charging unit; and a second switching unit for interconnecting the voltage charging units in the charged voltage relaying mode and isolating the voltage charging units in the charged voltage sensing mode. This apparatus realizes isolation between a high voltage battery and a voltage sensing unit, thereby allowing voltage sensing of each battery cell included in a high voltage battery using a part with low withstanding voltage.

摘要翻译： 用于测量电池单体电压的装置包括具有电池组的电池; 第一开关单元，用于选择性地将电池组的每个电池单元的端子连接到导电线; 连接在导线之间的第一电压充电单元，以主要对电池电压充电; 第二电压充电单元，用于中继用于二次充电的第一电压充电单元中的充电电压; 电池电压感测单元，用于感测在第二电压充电单元中充电的电压; 以及第二开关单元，用于以充电电压中继模式互连电压充电单元，并且在充电电压感测模式下隔离电压充电单元。 该装置实现高电压电池与电压检测单元之间的隔离，从而允许使用具有低耐压的部件对包括在高电压电池中的每个电池单元进行电压感测。

公开(公告)号：US20110128009A1

公开(公告)日：2011-06-02

申请号：US12672283

申请日：2008-08-08

申请人： Ju-Hyun Kang ,  Volodymyr Akimov

发明人： Ju-Hyun Kang ,  Volodymyr Akimov

IPC分类号： G01N27/416

CPC分类号： G01R15/16 ,  G01R31/3658

摘要： An apparatus for measuring a battery cell voltage includes a battery having a cell group; a first switching unit for selectively connecting both terminals of each battery cell of the cell group to conductive lines; a first voltage charging unit connected between the conductive lines to primarily charge a cell voltage; a second voltage charging unit for relaying the charged voltage in the first voltage charging unit for secondary charging; a cell voltage sensing unit for sensing the voltage charged in the second voltage charging unit; and a second switching unit for interconnecting the voltage charging units in the charged voltage relaying mode and isolating the voltage charging units in the charged voltage sensing mode. This apparatus realizes isolation between a high voltage battery and a voltage sensing unit, thereby allowing voltage sensing of each battery cell included in a high voltage battery using a part with low withstanding voltage.

摘要翻译： 用于测量电池单体电压的装置包括具有电池组的电池; 第一开关单元，用于选择性地将电池组的每个电池单元的端子连接到导电线; 连接在导线之间的第一电压充电单元，以主要对电池电压充电; 第二电压充电单元，用于中继用于二次充电的第一电压充电单元中的充电电压; 电池电压感测单元，用于感测在第二电压充电单元中充电的电压; 以及第二开关单元，用于以充电电压中继模式互连电压充电单元，并且在充电电压感测模式下隔离电压充电单元。 该装置实现高电压电池与电压检测单元之间的隔离，从而允许使用具有低耐压的部件对包括在高电压电池中的每个电池单元进行电压感测。

公开(公告)号：US20110199223A1

公开(公告)日：2011-08-18

申请号：US12672291

申请日：2008-08-08

申请人： Volodymyr Akimov ,  Ju-Hyun Kang

发明人： Volodymyr Akimov ,  Ju-Hyun Kang

IPC分类号： G08B21/00 ,  G01N27/416 ,  G06F19/00

CPC分类号： G01R31/025 ,  G01R31/3679

摘要： An apparatus for sensing leakage current of a battery includes a voltage distribution node installed on a first conductive line connecting both terminals of a battery; first and second switches installed between the voltage distribution node and positive/negative terminals of the battery; an insulation resistance and a current sensing resistance installed on a second conductive line connecting the voltage distribution node to a ground; a DC voltage applying unit for applying positive/negative DC voltage to a ground-side end of the current sensing resistance to induce potential difference between the voltage distribution node and the DC voltage applying node; and a leakage current determining unit for sensing magnitude of electric current flowing through the current sensing resistance according to the induced potential difference in turning-on state of the switches, and then determining leakage current by checking whether the magnitude of electric current is out of standard level over threshold value.

摘要翻译： 一种用于感测电池的漏电流的装置包括安装在连接电池两端的第一导线上的电压分配节点; 第一和第二开关安装在电压分配节点和电池的正极/负极端子之间; 安装在将电压分配节点连接到地面的第二导线上的绝缘电阻和电流感测电阻; 直流电压施加单元，用于将正/负直流电压施加到电流感测电阻的接地端，以诱导电压分配节点和直流电压施加节点之间的电位差; 以及泄漏电流确定单元，用于根据所述开关的导通状态中的感应电位差来感测流过所述电流感测电阻的电流的大小，然后通过检查电流的大小是否超出标准来确定泄漏电流 超过阈值。

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

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。

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。

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。

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。

公开(公告)号：US08564156B2

公开(公告)日：2013-10-22

申请号：US12699147

申请日：2010-02-03

申请人： Ju-Hyun Kang ,  Jee-Ho Kim ,  Dong-Keun Kwon

发明人： Ju-Hyun Kang ,  Jee-Ho Kim ,  Dong-Keun Kwon

IPC分类号： H01H33/59

CPC分类号： H02J1/00 ,  B60L11/1805 ,  B60L11/1851 ,  B60L11/1864 ,  B60L2210/10 ,  B60L2240/547 ,  H01H3/001 ,  H01H33/59 ,  H01H33/596 ,  H02H9/001 ,  H02J1/08 ,  H02J7/0063 ,  H02M1/32 ,  Y02T10/7005 ,  Y02T10/7061 ,  Y02T10/7216 ,  Y10T307/76

摘要： Disclosed are an apparatus and method of controlling switch units between a battery pack and a load, and a battery pack and a battery management system comprising the same. The apparatus comprises a memory for storing the turn-off number and order of first and second switch units connecting the battery pack with the load according to current ranges; and a control unit for equalizing the turn-off order of the first switch unit and the second switch unit with reference to the turn-off number and order in a current range corresponding to a magnitude level of discharge current of a battery. Accordingly, the present invention reduces the frequency of breakdown or malfunction of the switch units and increases the using period of the switch units.

摘要翻译： 公开了一种控制电池组和负载之间的开关单元的装置和方法，以及包括该装置和电池组的电池组和电池管理系统。 该装置包括存储器，用于存储根据电流范围将电池组与负载连接的第一和第二开关单元的关断数量和顺序; 以及控制单元，用于根据与电池的放电电流的幅度电平相对应的电流范围内的关断数量和顺序来均衡第一开关单元和第二开关单元的关断顺序。 因此，本发明降低了开关单元的故障或故障的频率，并增加了开关单元的使用周期。