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    • 2. 发明申请
    • Prismatic battery and method for manufacturing the same
    • 棱镜电池及其制造方法
    • US20050003267A1
    • 2005-01-06
    • US10881256
    • 2004-06-30
    • Hideyuki KumakiriShintaro ShimizuAkira YoneyamaYoshihiro BoukiTakuma Iida
    • Hideyuki KumakiriShintaro ShimizuAkira YoneyamaYoshihiro BoukiTakuma Iida
    • H01M2/02H01M2/08H01M6/10H01M2/00H01M2/04H01M6/00H01M6/08H01M10/00
    • H01M2/023H01M2/0217H01M2/08H01M6/10
    • A prismatic battery having advantages of both a rectangular battery and a cylindrical battery and having excellent properties is provided. Furthermore, a method of manufacturing the prismatic battery, suppressing the occurrence of defects in manufacturing the prismatic batteries and having an excellent productivity is provided. A prismatic battery including: an electrode plate group, an electrolyte and a battery case for accommodating the electrode plate group and the electrolyte; wherein the side face of the battery case includes a cylindrical head portion; a prismatic body potion for accommodating the electrode plate group and the electrolyte; and a transition portion located between the body portion and the head portion. The body portion includes a flat surface portion; and a corner portion for connecting the adjacent flat surface portions with a curved surface; the transition portion has a continuous curved surface from the first boundary between the corner portion and the transition portion toward the second boundary between the head portion and the transition portion; and a radius of curvature of the cross section of the continuous curved surface changes continuously from a radius of curvature of the cross section of the corner portion to a radius of the head portion, from the first boundary to the second boundary.
    • 提供一种具有矩形电池和圆柱形电池的优点并且具有优异性能的棱柱形电池。 此外,提供了制造棱柱形电池的方法,抑制了棱柱形电池制造中的缺陷的发生并且具有优异的生产率。 一种棱柱电池,包括:电极板组,电解质和用于容纳电极板组和电解质的电池壳; 其中所述电池盒的侧面包括圆柱形头部; 用于容纳电极板组和电解质的棱柱体部分; 以及位于主体部分和头部之间的过渡部分。 主体部分包括平坦表面部分; 以及用于将相邻的平坦表面部分与曲面连接的角部; 过渡部分具有从拐角部分和过渡部分之间的第一边界朝向头部和过渡部分之间的第二边界的连续弯曲表面; 并且所述连续曲面的横截面的曲率半径从所述角部的截面的曲率半径向所述头部的半径从所述第一边界向所述第二边界连续变化。
    • 3. 发明授权
    • Power source system, power supply control method for the power source system, power supply control program for the power source system, and computer-readable recording medium with the power supply control program recorded thereon
    • 电源系统,电源系统的电源控制方法,电源系统的电源控制程序以及记录有电源控制程序的计算机可读记录介质
    • US08159186B2
    • 2012-04-17
    • US12524068
    • 2008-01-10
    • Takuma IidaTadao Kimura
    • Takuma IidaTadao Kimura
    • H02J7/00H02J1/10
    • H01M10/44B66B5/027H02J7/0047H02J7/0063H02J9/061Y10T307/50Y10T307/527Y10T307/625
    • The present invention provides a power source system that increases the power supply capacity of a power source device and continuously supplies the power necessary for a load device when a power source device stops. A control unit has a state quantity setting unit that sets a first target state quantity indicating a state of charge of the power storage device that is to be a target value when charge and discharge of the power storage device are controlled. When the power source device stops, the state quantity setting unit can change the first target state quantity to a second target state quantity that is to be a target value exceeding the first target state quantity and can increase the target state quantity of the power storage device. As a result, when the power source device stops, charge and discharge of the power storage device are controlled on the basis of the target state quantity exceeding that during the operation of the power source device. Therefore, the state of charge of the power storage device can be improved over that during the operation of the power source device. As a result, the power supply capacity of the power source device can be increased and the power necessary for the load device can be continuously supplied, in place of the power source device.
    • 本发明提供了一种电源系统,其增加电源装置的电源容量,并且在电源装置停止时连续地提供负载装置所需的电力。 控制单元具有状态量设定单元,其在控制了蓄电装置的充放电时,设定表示作为目标值的蓄电装置的充电状态的第一目标状态量。 当电源装置停止时,状态量设定部可以将第一目标状态量变更为超过第一目标状态量的目标值的第二目标状态量,并且能够增大蓄电装置的目标状态量 。 结果,当电源装置停止时,基于超过在电源装置的操作期间的目标状态量来控制蓄电装置的充电和放电。 因此,与电源装置的动作相比,能够提高蓄电装置的充电状态。 结果,可以增加电源装置的电源容量,并且可以连续地提供负载装置所需的电力来代替电源装置。
    • 4. 发明授权
    • Secondary-battery life estimation apparatus and method
    • 二次电池寿命估计装置及方法
    • US08060323B2
    • 2011-11-15
    • US12203411
    • 2008-09-03
    • Akihiro TaniguchiTakuma Iida
    • Akihiro TaniguchiTakuma Iida
    • G06F19/00H02J7/00G01N27/416
    • G01R31/3679G01R31/3651G01R31/3658
    • A secondary-battery life estimation apparatus includes: a voltage measuring portion measuring a terminal voltage of a secondary battery to be measured; a first memory storing in advance a terminal voltage V0 of a non-degraded secondary battery before the non-degraded secondary battery discharges after fully charged; a second memory which stores in advance a life-estimation data map as a look-up table associating a voltage difference dV between a terminal voltage V of the secondary battery to be measured before the secondary battery to be measured discharges after fully charged and the terminal voltage V0 with a residual life of the secondary battery to be measured; and a CPU calculating the voltage difference dV between the terminal voltage V measured by the voltage measuring portion before the secondary battery to be measured discharges after fully charged and the terminal voltage V0 stored in the first memory and estimating the residual life of the secondary battery to be measured based on the life-estimation data map stored in the second memory using the voltage difference dV.
    • 二次电池寿命估计装置包括:测量要测量的二次电池的端子电压的电压测量部分; 第一存储器,在未劣化的二次电池在完全充电之后放电之前,预先存储未劣化的二次电池的端子电压V0; 第二存储器,其预先存储寿命估计数据图作为查找表,其将要测量的二次电池之后的被测量的二次电池的终端电压V在完全充电之后放电并且与终端之间相关联 具有要测量的二次电池的剩余寿命的电压V0; 以及CPU,计算由被测量的二次电池之后的电压测量部分在完全充电之后测量的端子电压V和存储在第一存储器中的端子电压V0之间的电压差dV,并且将二次电池的剩余寿命估计为 基于使用电压差dV存储在第二存储器中的寿命估计数据图进行测量。
    • 5. 发明申请
    • IMBALANCE REDUCTION CIRCUIT, POWER SUPPLY DEVICE, AND IMBALANCE REDUCTION METHOD
    • 不平衡减少电路,电源设备和不平衡减少方法
    • US20110121785A1
    • 2011-05-26
    • US13056035
    • 2009-07-06
    • Takuma IidaTadao Kimura
    • Takuma IidaTadao Kimura
    • H02J7/00
    • H01M10/443H01M10/48H01M10/486H02J7/0016Y02T10/7055
    • An imbalance reduction circuit is configured to include: a temperature-related information acquisition unit for acquiring temperature-related information related to the temperature of a plurality of electric accumulators; a discharge unit for executing an equalization process for discharging the plurality of electric accumulators until terminal voltages of the respective electric accumulators become substantially equal to one another; and an equalization controller for prohibiting the discharge unit from executing the equalization process, when the temperature-related information acquired by the temperature-related information acquisition unit satisfies a low temperature condition that is set as a condition where the discharge performance of the plurality of electric accumulators deteriorates.
    • 不平衡减少电路被配置为包括:温度相关信息获取单元,用于获取与多个蓄电器的温度有关的温度相关信息; 放电单元,用于执行用于使多个蓄电器放电的均衡处理,直到各个蓄电器的端子电压彼此基本相等; 以及均衡控制器,其用于禁止放电单元执行均衡处理,当由温度相关信息获取单元获取的温度相关信息满足设定为多个电力的放电性能的条件的低温条件时 蓄能器恶化。
    • 8. 发明申请
    • CHARGE STATE DETECTION CIRCUIT, BATTERY POWER SUPPLY DEVICE, AND BATTERY INFORMATION MONITORING DEVICE
    • 充电状态检测电路,电池电源装置和电池信息监控装置
    • US20120119749A1
    • 2012-05-17
    • US13381618
    • 2011-01-27
    • Takuma Iida
    • Takuma Iida
    • G01R31/36
    • H02J7/0021H01M10/441H01M10/465H01M10/482H02J7/0016Y02T10/7055
    • A charge state detection circuit, which detects a state of charge of a battery block in which are parallel-connected a plurality of series circuits of a secondary battery and a cutoff element which assumes a cutoff state of cutting off the charge/discharge path of the secondary battery and a conducting state different from the cutoff state, the charge state detection circuit comprising: an effective battery number detection portion which detects, as the number of effective batteries, the number of cutoff elements in the conducting state from among the plurality of cutoff elements included in the battery block; a capacity information generation portion which, based on the number of effective batteries, generates capacity information related to actual full charge capacity, which is the actual full charge capacity of the battery block; a total current detection portion, which detects as a total current value a current flowing in the entire battery block; an electricity quantity calculation portion, which calculates, as a stored electricity quantity, an electricity quantity stored in the battery block, by integrating the total current value; and a charge state detection portion, which, based on the capacity information and the stored electricity quantity, detects a state of charge, which is a ratio of the stored electricity quantity to the actual full charge capacity.
    • 一种充电状态检测电路,其检测蓄电池块的充电状态,其中并联有二次电池的多个串联电路和断开元件,该截止元件处于断开所述充电/放电路径的截止状态 二次电池和与截止状态不同的导通状态,所述充电状态检测电路包括:有效电池数量检测部,其从所述多个切断部中检测作为所述导通状态的截止要素的数量作为所述有效电池的数量 包括在电池块中的元件; 容量信息生成部,其基于所述有效电池的数量,生成与所述电池块的实际满充电容量相关的实际充满电量的容量信息; 总电流检测部,其检测在整个电池块中流过的电流作为总电流值; 电量计算部,其通过积分所述总电流值来计算存储在所述电池组中的电量作为所存储的电量; 以及充电状态检测部,其基于容量信息和所存储的电量检测作为所存储的电量与实际充满电量的比率的充电状态。
    • 10. 发明申请
    • BATTERY ABNORMALITY DETECTION CIRCUIT AND POWER SUPPLY DEVICE
    • 电池异常检测电路和电源设备
    • US20110254559A1
    • 2011-10-20
    • US13142257
    • 2010-03-04
    • Takuya NakashimaTakuma Iida
    • Takuya NakashimaTakuma Iida
    • G01N27/416H02J7/00
    • B60L11/1861B60L3/0046B60L2240/545B60L2240/547B60L2240/549B60L2250/16B60L2260/44G01R31/3606G01R31/3662Y02T10/7011Y02T10/7016Y02T10/7044Y02T10/705
    • A battery abnormality detection circuit includes: a SOC detection unit that detects a SOC of a secondary battery; an internal resistance detection unit that detects an internal resistance value of the secondary battery; a first state acquisition unit that acquires a first SOC and a first resistance value at a predetermined first timing; a second state acquisition unit that acquires a second SOC and a second resistance value at a second timing a storage unit that stores in advance relationship information indicating a correspondence relationship between a SOC and an internal resistance value of the secondary battery; a reference variation value setting unit that sets a reference variation value indicating an amount of variation from an internal resistance value corresponding to the first SOC to an internal resistance value corresponding to the second SOC on the basis of the relationship information stored in the storage unit; and a determination unit that determines that an abnormality has occurred in the secondary battery when an amount of variation from the first resistance value to the second resistance value is different from an amount of variation indicated by the reference variation value that has been set by the reference variation value setting unit.
    • 电池异常检测电路包括:SOC检测单元,其检测二次电池的SOC; 内部电阻检测单元,其检测二次电池的内部电阻值; 第一状态获取单元,其在预定的第一定时获取第一SOC和第一电阻值; 第二状态获取单元,其在第二定时获取第二SOC和第二电阻值,所述存储单元预先存储指示所述二次电池的SOC和内部电阻值之间的对应关系的关系信息; 参考变化值设定单元,其基于存储在存储单元中的关系信息,将表示与第一SOC相对应的内部电阻值的变化量的基准变化量设定为与第二SOC相对应的内部电阻值; 以及确定单元,当从所述第一电阻值到所述第二电阻值的变化量不同于由所述参考设置的所述参考变化值所指示的变化量不同时,确定所述二次电池中已经发生异常 变化值设定单位。