公开(公告)号：US08803478B2

公开(公告)日：2014-08-12

申请号：US13167623

申请日：2011-06-23

申请人： Jongwoon Yang ,  Susumu Segawa

发明人： Jongwoon Yang ,  Susumu Segawa

IPC分类号： H02J7/00 ,  G01R31/36

CPC分类号： G01R31/362 ,  G01R31/3658 ,  H02J7/0021 ,  H02J7/0029

摘要： A battery pack is provided. The battery pack includes first battery cells, a second battery cell coupled to one of the first battery cells, a voltage sensing and balancing circuit for measuring voltages of the first battery cells and for maintaining voltage balance between the first battery cells, a controller that includes an analog-to-digital (A/D) converter, and an analog switch for measuring a voltage value of the second battery cell and for transferring the measured voltage value to the A/D converter. The controller is for controlling charging and discharging of the first and second battery cells. The analog switch includes a flying capacitor, a first switch unit for transferring a voltage between the second battery cell and the flying capacitor, a second switch unit for transferring a voltage of the flying capacitor to the A/D converter, and a first diode for protecting a voltage source from a surge current.

摘要翻译： 提供电池组。 电池组包括第一电池单元，耦合到第一电池单元之一的第二电池单元，用于测量第一电池单元的电压并用于维持第一电池单元之间的电压平衡的电压感测和平衡电路，包括 模拟数字（A / D）转换器和用于测量第二电池单元的电压值并用于将测量的电压值传送到A / D转换器的模拟开关。 控制器用于控制第一和第二电池单元的充电和放电。 模拟开关包括飞行电容器，用于在第二电池单元和飞行电容器之间传送电压的第一开关单元，用于将飞跨电容器的电压传送到A / D转换器的第二开关单元，以及用于 保护电压源免受浪涌电流的影响。

公开(公告)号：US08217628B2

公开(公告)日：2012-07-10

申请号：US12453647

申请日：2009-05-18

申请人： Jongwoon Yang ,  Susumu Segawa ,  Sesub Sim

发明人： Jongwoon Yang ,  Susumu Segawa ,  Sesub Sim

IPC分类号： H02J7/04

CPC分类号： H02J7/0031 ,  H02J7/0072 ,  H02M1/00

摘要： A battery pack includes a battery including a positive electrode and a negative electrode, a switching module including a charge switching device and a discharge switching device, the charge switching device and discharge switching device being electrically connected to a high current path of the battery, a battery management unit (BMU) electrically connected to the switching module, the BMU being configured to adjust a limit value for a charging current supplied by the charge switching device and to set a magnitude of the charging current supplied by the charge switching device to be equal to or less than the adjusted.

摘要翻译： 电池组包括具有正极和负极的电池，包括充电开关装置和放电开关装置的开关模块，电荷切换装置和放电开关装置电连接到电池的高电流通路， 电连接到开关模块的电池管理单元（BMU），BMU被配置为调整由充电开关装置提供的充电电流的限制值，并将充电开关装置提供的充电电流的大小设置为相等 至或小于调整。

公开(公告)号：US20110101922A1

公开(公告)日：2011-05-05

申请号：US12917313

申请日：2010-11-01

申请人： Hanseok Yun ,  Susumu Segawa ,  Testuya Okada ,  Euijeong Hwang ,  Sesub Sim ,  Jongwoon Yang ,  Beomgyu Kim ,  Jinwan Kim

发明人： Hanseok Yun ,  Susumu Segawa ,  Testuya Okada ,  Euijeong Hwang ,  Sesub Sim ,  Jongwoon Yang ,  Beomgyu Kim ,  Jinwan Kim

IPC分类号： H02J7/04

CPC分类号： H02J7/0078 ,  H01M10/441 ,  Y02E60/12

摘要： A control circuit for a secondary battery is disclosed. The control circuit level shifts a voltage corresponding to charge or discharge current so that the level shifted voltage can be provided to an A/D converter.

摘要翻译： 公开了一种用于二次电池的控制电路。 控制电路电平使对应于充电或放电电流的电压移动，使得能够向A / D转换器提供电平移位的电压。

公开(公告)号：US20090295334A1

公开(公告)日：2009-12-03

申请号：US12453647

申请日：2009-05-18

申请人： Jongwoon Yang ,  Susumu Segawa ,  Sesub Sim

发明人： Jongwoon Yang ,  Susumu Segawa ,  Sesub Sim

IPC分类号： H02J7/00 ,  H02J7/04

CPC分类号： H02J7/0031 ,  H02J7/0072 ,  H02M1/00

摘要： A battery pack includes a battery including a positive electrode and a negative electrode, a switching module including a charge switching device and a discharge switching device, the charge switching device and discharge switching device being electrically connected to a high current path of the battery, a battery management unit (BMU) electrically connected to the switching module, the BMU being configured to adjust a limit value for a charging current supplied by the charge switching device and to set a magnitude of the charging current supplied by the charge switching device to be equal to or less than the adjusted.

摘要翻译： 电池组包括具有正极和负极的电池，包括充电开关装置和放电开关装置的开关模块，电荷切换装置和放电开关装置电连接到电池的高电流通路， 电连接到开关模块的电池管理单元（BMU），BMU被配置为调整由充电开关装置提供的充电电流的限制值，并将充电开关装置提供的充电电流的大小设置为相等 至或小于调整。

公开(公告)号：US20090295332A1

公开(公告)日：2009-12-03

申请号：US12467977

申请日：2009-05-18

申请人： Jongwoon Yang ,  Segawa Susumu ,  Sesub Sim

发明人： Jongwoon Yang ,  Segawa Susumu ,  Sesub Sim

IPC分类号： H02J7/00

CPC分类号： H02J7/0029 ,  H02J2007/0037

摘要： A battery pack and a charging method for the same are disclosed. The battery pack automatically regulates the full-charge voltage of a battery according to deterioration of lifespan of the battery. The battery pack includes: a rechargeable battery having a positive electrode and negative electrode; a switching module having a charge switching device and discharge switching device electrically connected to a high-current path of the battery; and a battery management unit electrically connected to the switching module to control the charge switching device and discharge switching device, electrically connected to the battery to measure an open-circuit voltage and a use time of the battery, determining whether the battery is deteriorated with reference to at least one of the open-circuit voltage and the use time of the battery, and setting a full-charge voltage of the battery when the deterioration of the battery is determined.

摘要翻译： 公开了一种电池组及其充电方法。 根据电池寿命的恶化，电池组自动调节电池的满充电压。 电池组包括：具有正极和负极的可再充电电池; 开关模块，其具有电连接到电池的大电流路径的充电开关装置和放电开关装置; 以及电连接到开关模块的电池管理单元，用于控制电连接到电池的充电开关装置和放电开关装置，以测量电池的开路电压和使用时间，确定电池是否劣化参考 至电池的开路电压和使用时间中的至少一个，并且当确定电池的劣化时，设定电池的全充电电压。

公开(公告)号：US08872477B2

公开(公告)日：2014-10-28

申请号：US12972227

申请日：2010-12-17

申请人： Jongwoon Yang ,  Euijeong Hwang ,  Susumu Segawa ,  Jinwan Kim ,  Hanseok Yun ,  Beomgyu Kim

发明人： Jongwoon Yang ,  Euijeong Hwang ,  Susumu Segawa ,  Jinwan Kim ,  Hanseok Yun ,  Beomgyu Kim

IPC分类号： H02J7/00

CPC分类号： H02J7/0026 ,  H02J7/0014 ,  H02J7/0029

摘要： A battery pack and a method of operating the battery pack are disclosed. The battery pack includes a plurality of battery cells and is configured to open a terminal of the battery if an open circuit is detected in a line connecting battery cells.

摘要翻译： 公开了电池组和操作电池组的方法。 电池组包括多个电池单元，并且如果在连接电池单元的线路中检测到开路，则构造为打开电池的端子。

公开(公告)号：US20110084662A1

公开(公告)日：2011-04-14

申请号：US12881094

申请日：2010-09-13

申请人： Jongwoon Yang ,  Segawa Susumu ,  Testuya Okada ,  Inkyu Park

发明人： Jongwoon Yang ,  Segawa Susumu ,  Testuya Okada ,  Inkyu Park

IPC分类号： H02J7/00 ,  H02J7/10

CPC分类号： H01M10/441 ,  H01M10/0525 ,  H01M10/46 ,  H01M10/482 ,  H02J7/0022 ,  H02J7/0073

摘要： A charging control method for a battery pack including a plurality of battery cells in which a full charge voltage value is initially set as a first voltage value. The charging control method includes: charging the plurality of battery cells to the first voltage value in an initial charge mode; and resetting the full charge voltage value to a second voltage value less than the first voltage value in a subsequent charge mode.

摘要翻译： 一种电池组的充电控制方法，包括其中初始设定完全充电电压值作为第一电压值的多个电池单元。 充电控制方法包括：在初始充电模式下将多个电池单元充电到第一电压值; 以及在随后的充电模式中将完全充电电压值重置为小于第一电压值的第二电压值。

公开(公告)号：US07816889B2

公开(公告)日：2010-10-19

申请号：US11797893

申请日：2007-05-08

申请人： Jongwoon Yang

发明人： Jongwoon Yang

IPC分类号： H02J7/00

CPC分类号： H02J7/0031

摘要： A method for charging a rechargeable battery, and a protection circuit for the rechargeable battery. The protection circuit perceives whether the battery is charged or not by sensing the voltage of the bare cell, changes the direct voltage applied between a gate electrode and a source electrode of a charging field effect transistor, which is connected in series between one terminal of the bare cell and one terminal of a charger, and controls the amount of the current flowing from the source electrode of the charging field effect transistor to a drain electrode at a low level, thereby maintaining a low charging rate of the battery.

摘要翻译： 一种可再充电电池的充电方法和可再充电电池的保护电路。 保护电路通过感测裸电池的电压来感知电池是否被充电，改变了施加在充电场效应晶体管的栅电极和源电极之间的直流电压，其串联连接在 裸电池和充电器的一个端子，并且控制从充电场效应晶体管的源电极流到低电平的电流的电流量，从而保持电池的低充电率。

公开(公告)号：US20100194339A1

公开(公告)日：2010-08-05

申请号：US12467142

申请日：2009-05-15

申请人： Jongwoon Yang ,  Segawa Susumu ,  Inkyu Park ,  Yonguk Kim

发明人： Jongwoon Yang ,  Segawa Susumu ,  Inkyu Park ,  Yonguk Kim

IPC分类号： H02J7/00

CPC分类号： H02J7/0016

摘要： A balancing method for a battery pack includes balancing battery cells near an end of discharge. A deep discharge of the battery cells can be prevented without using an overdischarge control unit. One battery cell balancing method includes: a balancing check condition determination step for determining whether or not a maximum voltage out of voltages of the battery cells is smaller than a reference voltage; a balancing start condition determination step for determining whether or not a residual capacity difference or voltage difference between the individual battery cells exceeds a reference value; a balancing time calculation step for calculating a balancing time for discharging the battery cell that exceeds the reference value; and a balancing operation step for discharging the selected battery cell when the battery cells are under charge or are at rest or when a discharge current of the battery cells is smaller than a reference current.

摘要翻译： 电池组的平衡方法包括在放电结束附近平衡电池单元。 可以防止电池单元的深度放电而不使用过放电控制单元。 一种电池单元平衡方法包括：平衡检查条件确定步骤，用于确定电池单元的电压中的最大电压是否小于参考电压; 平衡开始条件确定步骤，用于确定各个电池单元之间的剩余容量差或电压差是否超过参考值; 平衡时间计算步骤，用于计算超过参考值的电池单元的放电平衡时间; 以及平衡操作步骤，用于当电池单元处于充电状态或静止时或当电池单元的放电电流小于参考电流时对所选择的电池单元进行放电。

公开(公告)号：US07764048B2

公开(公告)日：2010-07-27

申请号：US11797893

申请日：2007-05-08

申请人： Jongwoon Yang

发明人： Jongwoon Yang

IPC分类号： H02J7/00

摘要： A method for charging a rechargeable battery, and a protection circuit for the rechargeable battery. The protection circuit perceives whether the battery is charged or not by sensing the voltage of the bare cell, changes the direct voltage applied between a gate electrode and a source electrode of a charging field effect transistor, which is connected in series between one terminal of the bare cell and one terminal of a charger, and controls the amount of the current flowing from the source electrode of the charging field effect transistor to a drain electrode at a low level, thereby maintaining a low charging rate of the battery.