公开(公告)号：US20120158338A1

公开(公告)日：2012-06-21

申请号：US13200380

申请日：2011-09-23

申请人： Jongwoon Yang ,  Susumu Segawa

发明人： Jongwoon Yang ,  Susumu Segawa

IPC分类号： G06F19/00 ,  G01R35/00

CPC分类号： G01R31/362 ,  G01R35/005 ,  H02J7/0021

摘要： A battery management system and a battery pack. The battery management system includes a micro computer unit including an analog-to-digital converter (ADC) to measure a battery voltage, a voltage generation unit to generate a power voltage of the ADC by using the battery voltage, a voltage measuring unit to measure the power voltage, and an error calibration unit to measure a variation of the power voltage, measured by the voltage measuring unit, by using a reference power voltage, and calibrate the battery voltage, measured by the ADC, by using the measured variation.

摘要翻译： 电池管理系统和电池组。 电池管理系统包括包括用于测量电池电压的模数转换器（ADC）的微型计算机单元，通过使用电池电压产生ADC的电源电压的电压产生单元，测量电压的电压测量单元 电源电压和误差校准单元，通过使用参考电源电压来测量由电压测量单元测量的电源电压的变化，并且通过使用测量的变化来校准由ADC测量的电池电压。

公开(公告)号：US20120139548A1

公开(公告)日：2012-06-07

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： G01N27/416 ,  H02J7/04 ,  H03K17/56

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：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：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.

公开(公告)号：US20090295335A1

公开(公告)日：2009-12-03

申请号：US12467952

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 ,  H02J7/04

CPC分类号： H02J7/0091 ,  H01M10/441 ,  H01M10/443

摘要： A battery pack and charging method for the same are disclosed. The battery pack automatically regulates the full-charge voltage of a battery according to the temperature of the battery. The battery pack includes: a battery being rechargeable and 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, and changing a full-charge voltage of the battery according to temperature of the battery.

摘要翻译： 公开了一种电池组及其充电方法。 电池组根据电池的温度自动调节电池的满充电压。 电池组包括：可充电的电池，具有正极和负极; 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; 以及电连接到所述开关模块以控制所述充电开关装置和放电开关装置的电池管理单元，以及根据所述电池的温度改变所述电池的全充电电压。

公开(公告)号：US20090212742A1

公开(公告)日：2009-08-27

申请号：US12434585

申请日：2009-05-01

申请人： Sesub Sim ,  Jongwoon Yang ,  Segawa Susumu

发明人： Sesub Sim ,  Jongwoon Yang ,  Segawa Susumu

IPC分类号： H02J7/00

CPC分类号： H02J9/005 ,  H02J2007/005 ,  H02J2009/007

摘要： A lithium ion battery and a method of power conservation for the same are provided. A bare cell including an electrode assembly with a plurality of electrodes and a protective circuit are coupled together via the plurality of electrodes. The protective circuit includes a remaining charge control circuit that internally detects a long-term nonuse state of the lithium ion battery and blocks current between the bare cell and the protective circuit when the long-term nonuse state is detected. The method includes: detecting whether the battery is used as a power source for an external instrument; determining and recording a value of an accumulated nonuse time when the lithium ion battery was not used as a power source; and blocking an internal current and converting the battery to a long-term nonuse mode when the value of the accumulated nonuse time is above a value indicative of a predetermined time.

摘要翻译： 提供锂离子电池及其省电方法。 包括具有多个电极的电极组件和保护电路的裸电池通过多个电极耦合在一起。 保护电路包括在检测到长期不使用状态时内部检测锂离子电池的长期不使用状态并阻止裸电池与保护电路之间的电流的剩余电荷控制电路。 该方法包括：检测电池是否用作外部仪器的电源; 当不使用锂离子电池作为电源时，确定和记录累积的非使用时间的值; 并且当累积的非使用时间的值高于指示预定时间的值时，阻断内部电流并将电池转换为长期非使用模式。

公开(公告)号：US09214702B2

公开(公告)日：2015-12-15

申请号：US13331350

申请日：2011-12-20

申请人： Masafumi Noda ,  Jongwoon Yang

发明人： Masafumi Noda ,  Jongwoon Yang

IPC分类号： H02J7/00 ,  G06F1/26 ,  G06F1/00 ,  H01M10/42 ,  H01M10/48 ,  H01M10/0525

CPC分类号： H01M10/4207 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/482

摘要： A battery for an electric tool includes at least one battery cell, a peripheral device operable to detect a battery condition of the at least one battery cell, and a microcomputer communicating with the peripheral device. The microcomputer periodically operates the peripheral device for detecting the battery condition during the time when the battery is not electrically connected to the electric tool.

摘要翻译： 一种用于电动工具的电池包括至少一个电池单元，可操作以检测所述至少一个电池单元的电池状况的外围设备，以及与所述外围设备通信的微型计算机。 在电池未电连接到电动工具的时间期间，微计算机周期性地操作用于检测电池状况的外围设备。