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    • 4. 发明申请
    • Battery Pack and Battery Protection Method
    • 电池组和电池保护方法
    • US20090220825A1
    • 2009-09-03
    • US11912853
    • 2007-02-02
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • H01M10/44H02H7/18H02J7/00
    • H02J7/0031H01M10/441H01M10/482H02J2007/0037H02J2007/004
    • A battery protection operation having higher safety is performed in a battery pack. Presence/absence of plural abnormal states including at least an overcharge state and an overdischarge state based on detected results of voltage between a positive terminal and a negative terminal of a battery cell as well as an overcurrent charge state and an overcurrent discharge state indicating that charge current and discharge current are excessive respectively based on detected results of charge and discharge current of the battery cell are determined at any time and an abnormality determination flag showing a determination result of respective abnormal states as a flag is stored. In addition, control states A to D according to combinations of respective operation states of the a discharge current shut-off circuit selectively shutting off discharge current of the battery cell and a charge current shut-off circuit selectively shutting off charge current of the battery cell are defined, and to which control state the state should be changed will be determined based on a value of the abnormality determination flag.
    • 在电池组中执行具有更高安全性的电池保护操作。 基于电池单元的正极端子和负极端子之间的电压的检测结果以及过电流充电状态和表示充电状态的过电流放电状态,存在至少包括过充电状态和过放电状态的多个异常状态的存在/不存在 根据检测到的电池单元的充放电电流的结果,电流和放电电流分别过大,存储表示作为标志的各异常状态的判定结果的异常判定标志。 此外,根据放电电流切断电路的各个工作状态的组合的选择性地关闭电池单元的放电电流和充电电流切断电路的选择性地关闭电池单元的充电电流的控制状态A至D 并且将基于异常判定标志的值来确定要改变状态的控制状态。
    • 5. 发明授权
    • Battery pack, electronic appliance, and method of detecting remaining amount of battery
    • 电池组,电子设备以及检测电池剩余量的方法
    • US08359174B2
    • 2013-01-22
    • US11912845
    • 2007-02-26
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • G01R31/36G01R19/00
    • G01R19/16542G01R31/3648G01R31/3655G01R31/3679H01M10/052H01M10/44H01M10/48H02J7/0047H02J2007/005
    • A battery pack has a charge and discharge count measuring part (131) configured to measure the number of times of charges and discharges of a secondary battery based on the summed value of the charge current for the secondary battery, and a decay rate output part (132) configured to compute a decay rate that indicates a degree of decay of the secondary battery based on the number of times of charges and discharges measured by the charge and discharge count measuring part (131) and to output it to a device being a discharge load. For example, the charge and discharge count measuring part (131) repeatedly sums the detected values of the charge current to a predetermined threshold, and counts up the number of times of charges and discharges every time when the summed value reaches the threshold. Accordingly, even though charges and discharges are repeated at finer steps in a relatively narrow voltage range, the number of times of charges and discharges can be counted accurately, and the computing accuracy of the decay rate is improved. In the battery pack in which the secondary battery is accommodated, parameters for detecting the remaining amount of the battery are detected more accurately.
    • 电池组具有充电和放电计数测量部分(131),其被配置为基于二次电池的充电电流的相加值和衰减速率输出部分(...)来测量二次电池的充电和放电的次数 132),被配置为基于由所述充放电计数测量部(131)测量的充电和放电的次数来计算指示所述二次电池的衰减程度的衰减率,并将其输出到放电 加载。 例如,充电和放电计数测量部分(131)将检测到的充电电流的值重复地相加到预定阈值,并且每当累加值达到阈值时对每次充电和放电的次数进行计数。 因此,即使在比较窄的电压范围内以更细的步骤重复充电和放电,也可以精确地计数充放电次数,提高衰减率的计算精度。 在容纳二次电池的电池组中,更准确地检测用于检测电池剩余量的参数。
    • 6. 发明申请
    • Battery Pack, Electronic Appliance, And Method of Detecting Remaining Amount of Battery
    • 电池组,电子设备及检测剩余电量的方法
    • US20090171598A1
    • 2009-07-02
    • US11912845
    • 2007-02-26
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • Ryoichi NakashimaMasashi KumadaHideyuki SatoYoshio HaradaMichihiro KanekoKentaro Suzuki
    • G01R31/36
    • G01R19/16542G01R31/3648G01R31/3655G01R31/3679H01M10/052H01M10/44H01M10/48H02J7/0047H02J2007/005
    • A battery pack has a charge and discharge count measuring part (131) configured to measure the number of times of charges and discharges of a secondary battery based on the summed value of the charge current for the secondary battery, and a decay rate output part (132) configured to compute a decay rate that indicates a degree of decay of the secondary battery based on the number of times of charges and discharges measured by the charge and discharge count measuring part (131) and to output it to a device being a discharge load. For example, the charge and discharge count measuring part (131) repeatedly sums the detected values of the charge current to a predetermined threshold, and counts up the number of times of charges and discharges every time when the summed value reaches the threshold. Accordingly, even though charges and discharges are repeated at finer steps in a relatively narrow voltage range, the number of times of charges and discharges can be counted accurately, and the computing accuracy of the decay rate is improved. In the battery pack in which the secondary battery is accommodated, parameters for detecting the remaining amount of the battery are detected more accurately.
    • 电池组具有充电和放电计数测量部分(131),其被配置为基于二次电池的充电电流的相加值和衰减速率输出部分(...)来测量二次电池的充电和放电的次数 132),被配置为基于由所述充放电计数测量部(131)测量的充电和放电的次数来计算指示所述二次电池的衰减程度的衰减率,并将其输出到放电 加载。 例如,充电和放电计数测量部分(131)将检测到的充电电流的值重复地相加到预定阈值,并且每当累加值达到阈值时对每次充电和放电的次数进行计数。 因此,即使在比较窄的电压范围内以更细的步骤重复充电和放电,也可以精确地计数充放电次数,提高衰减率的计算精度。 在容纳二次电池的电池组中,更准确地检测用于检测电池剩余量的参数。
    • 8. 发明授权
    • Information processing apparatus, power-supply control method, program, and power supply control system
    • 信息处理装置,电源控制方法,程序和电源控制系统
    • US08547204B2
    • 2013-10-01
    • US12911980
    • 2010-10-26
    • Ryoichi Nakashima
    • Ryoichi Nakashima
    • G06F7/00
    • G06F1/263H04N5/23241Y10T307/696
    • An information processing apparatus includes: a first connection section to which a first power-supply device is connected; a second connection section to which a second power-supply device is connected; a setting determiner that determines whether or not identification information is to be set for each power-supply device on the basis of connection states and setting control information; an authenticator that selectively obtains, when the setting determiner determines that identification information is not to be set, identification information from the power-supply devices connected to each connection section and that authenticates the obtained identification information; an identification-information setter that causes, when the setting determiner determines that identification information is to be set, unique identification information to be set for each power-supply device; and a processor that selectively performs executable power-supply-related processing on the basis of a result of the authentication or the identification-information setting and of processing control information.
    • 一种信息处理设备,包括:连接第一电源设备的第一连接部分; 连接第二电源装置的第二连接部分; 基于连接状态和设定控制信息来决定是否对每个电源装置设定识别信息的设定决定部; 当设置确定器确定不设置识别信息时,选择性地获得来自连接到每个连接部分的电源装置的识别信息,并认证所获得的识别信息; 识别信息设定器,当设置确定器确定要设置识别信息时,导致为每个电源设备设置的唯一识别信息; 以及处理器,其基于认证或识别信息设置的结果和处理控制信息选择性地执行可执行的电源相关处理。