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    • 2. 发明专利
    • Charge control system and charge control method of battery pack
    • 电池组充电控制系统及充电控制方法
    • JP2013146159A
    • 2013-07-25
    • JP2012006285
    • 2012-01-16
    • Ntt Facilities Inc株式会社NttファシリティーズNtt Facilities Sogo Kenkyusho:Kk株式会社 Nttファシリティーズ総合研究所
    • YABUTA KAHOTSUJIKAWA TOMONOBUMATSUSHITA TAKASHIKITANO RIICHISUZUKI NOBUHIKOMATSUSHIMA TOSHIO
    • H02J7/02H01M10/44
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To perform charging more properly while suppressing a discharge amount of a secondary battery, when a plurality of secondary batteries are used as a battery pack.SOLUTION: The charge control system comprises: a voltmeter 4 for monitoring a charging voltage of each of cells 2; bypass circuits 3 each having a plurality of discharging resistances 31, 32 for discharging the corresponding cell 2; and a controller 6 for controlling each of the bypass circuits 3 on the basis of the charging voltage of the corresponding cell 2. The discharging resistances 31, 32 allow the cell 2 to discharge with a discharge current in accordance with each resistance value. When the charging voltage of the cell 2 is higher than a first predetermined voltage, the controller 6 allows the cell 2 to discharge with a first discharging resistance 31. When the charging voltage of the cell 2 is in a predetermined state, the controller 6 allows the predetermined cell 2 to discharge with a second discharging resistance 32 or with both of the first discharging resistance 31 and the second discharging resistance 32.
    • 要解决的问题:当多个二次电池用作电池组时,在抑制二次电池的放电量的同时,更适当地进行充电。解决方案:充电控制系统包括:电压计4,用于监视二次电池的充电电压 每个单元格2; 旁路电路3各自具有用于对应电池2的放电的多个放电电阻31,32; 以及用于根据相应单元2的充电电压来控制旁路电路3的控制器6.放电电阻31,32允许电池单元2根据每个电阻值以放电电流放电。 当电池2的充电电压高于第一预定电压时,控制器6允许电池2以第一放电电阻31放电。当电池2的充电电压处于预定状态时,控制器6允许 预定电池2以第二放电电阻32或第一放电电阻31和第二放电电阻32两者放电。
    • 4. 发明专利
    • System and method for charging battery pack
    • 充电电池组的系统和方法
    • JP2013162662A
    • 2013-08-19
    • JP2012023620
    • 2012-02-07
    • Ntt Facilities Inc株式会社NttファシリティーズNtt Facilities Sogo Kenkyusho:Kk株式会社 Nttファシリティーズ総合研究所
    • KITANO RIICHIYABUTA KAHOMATSUSHITA TAKASHISUZUKI NOBUHIKOTSUJIKAWA TOMONOBUMATSUSHIMA TOSHIO
    • H02J7/02H01M10/44H01M10/48
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To properly charge a battery pack by eliminating variations between secondary batteries and between unit battery packs without separately providing a bypass circuit for the secondary batteries and a bypass circuit for the unit battery packs.SOLUTION: A system has a first bypass circuit 5 that is connected in parallel to each secondary battery 2 and can bypass charging current of the secondary battery 2, and a plurality of first bypass circuits 5 are connected in series. The system includes a second bypass circuit 50 capable of bypassing the charging current of a unit battery pack 3, and a controller 8 for monitoring voltages of the secondary battery 2 and the unit battery pack 3 and controlling the charging currents passing through the secondary battery 2 and the unit battery pack 3. The controller 8 bypasses the charging current of the secondary battery 2 to the first bypass circuit 5 when the voltage of the secondary battery 2 reaches a first reference value, and bypasses the charging current of the unit battery pack 3 to the second bypass circuit 50 when the voltage of the unit battery pack 3 reaches a second reference value.
    • 要解决的问题:通过消除二次电池之间和单元电池组之间的变化来对电池组进行适当的充电,而不需要为二次电池单独提供旁路电路和用于单元电池组的旁路电路。解决方案:系统具有第一旁路 电路5,其并联连接到二次电池2并且可以旁路二次电池2的充电电流,并且多个第一旁路电路5串联连接。 该系统包括能够绕过单元电池组3的充电电流的第二旁路电路50和用于监视二次电池2和单元电池组3的电压并控制通过二次电池2的充电电流的控制器8 和单位电池组3.当二次电池2的电压达到第一参考值时,控制器8将二次电池2的充电电流旁路到第一旁路电路5,并绕过单元电池组3的充电电流 当单元电池组3的电压达到第二参考值时,到第二旁路电路50。
    • 6. 发明专利
    • Charge control system and charge control method of battery pack
    • 电池组充电控制系统及充电控制方法
    • JP2013146160A
    • 2013-07-25
    • JP2012006286
    • 2012-01-16
    • Ntt Facilities Inc株式会社NttファシリティーズNtt Facilities Sogo Kenkyusho:Kk株式会社 Nttファシリティーズ総合研究所
    • YABUTA KAHOTSUJIKAWA TOMONOBUMATSUSHITA TAKASHISUZUKI NOBUHIKOKITANO RIICHIMATSUSHIMA TOSHIO
    • H02J7/02H01M10/44
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To perform charging more properly while suppressing a discharge amount of a secondary battery, when a plurality of secondary batteries are used as a battery pack.SOLUTION: The charge control system comprises: a voltmeter 4 for monitoring a charging voltage of each of cells 2; bypass circuits 3 each having a discharging resistance 31 for discharging the corresponding cell 2; and a controller 6 for controlling each of the bypass circuits 3 on the basis of the charging voltage of the corresponding cell 2. The bypass circuits 3 can switch between a state in which the cell 2 discharges a small discharge current by activating the whole of the discharging resistance 31 and a state in which the cell 2 discharges a large discharge current by activating a part of the discharging resistance 31. When the charging voltage of the cell 2 is higher than a first predetermined voltage, the controller 6 allows the cell 2 to discharge with a small discharge current. When the charging voltage of the cell 2 is in a predetermined state, the controller 6 controls the bypass circuits 3 so that the predetermined cell 2 can discharge with a large discharge current.
    • 要解决的问题:当多个二次电池用作电池组时,在抑制二次电池的放电量的同时,更适当地进行充电。解决方案:充电控制系统包括:电压计4,用于监视二次电池的充电电压 每个单元格2; 旁路电路3各自具有用于对应电池2放电的放电电阻31; 以及控制器6,用于根据对应的单元2的充电电压来控制旁路电路3.旁路电路3可以在单元2通过激活整个电路2的整个放电的小电流放电的状态之间切换 放电电阻31和电池2通过使一部分放电电阻31放电而放电的状态。当电池2的充电电压高于第一预定电压时,控制器6允许电池单元2 以小放电电流放电。 当电池2的充电电压处于预定状态时,控制器6控制旁路电路3,使得预定电池2可以以大的放电电流放电。
    • 9. 发明专利
    • System and program for estimating tendency of deterioration of storage battery
    • 用于估计存储电池检测的系统和程序
    • JP2011153951A
    • 2011-08-11
    • JP2010016264
    • 2010-01-28
    • Ntt Facilities Inc株式会社Nttファシリティーズ
    • MATSUMURA SEIJITSUJIKAWA TOMONOBUYABUTA KAHOMATSUSHITA TAKASHI
    • G01R31/36H01M10/42H01M10/48H02J7/00
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To appropriately estimate the tendency of the deterioration of a storage battery.
      SOLUTION: A system for estimating the tendency of the deterioration of the storage battery comprises an electric discharge characteristic database 4 for storing initial discharge characteristics at a specific discharge current value, a secular change database 5 for storing the tendency of secular changes in the discharge capacity at some discharge current value of the storage battery, and a program 6 for estimating the tendency of the deterioration of the storage battery. The program 6 for estimating the tendency of the deterioration of the storage battery computes initial discharge characteristics to an inputted actual discharge current value on the basis of initial discharge characteristics stored in the electric discharge characteristic database 4, computes discharge characteristics after the passage of time on the basis of an inputted actual discharge time, an actual discharge voltage, and computed initial discharge characteristics in the case that a measured actual discharge voltage is equal to a prescribed voltage or lower, acquires a discharge capacity to a secular value from the secular change database 5 in the case that the measured actual discharge voltage is higher than the prescribed voltage, and computes the discharge characteristics after the passage of time on the basis of the discharge capacity, the actual discharge current value, and the computed initial discharge characteristics.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:适当估计蓄电池劣化的趋势。 解决方案:用于估计蓄电池劣化趋势的系统包括用于存储特定放电电流值的初始放电特性的放电特性数据库4,用于存储长期变化趋势的长期变化数据库5 蓄电池的一些放电电流值的放电容量,以及用于估计蓄电池劣化的趋势的程序6。 用于估计蓄电池劣化趋势的程序6基于存储在放电特性数据库4中的初始放电特性,将初始放电特性计算为输入的实际放电电流值,计算经过时间后的放电特性 在测量的实际放电电压等于规定电压以下的情况下,输入的实际放电时间,实际放电电压和计算出的初始放电特性的基础,从世俗变化数据库获取到长期值的放电容量 在测量的实际放电电压高于规定电压的情况下,根据放电容量,实际放电电流值和计算出的初始放电特性,计算经过时间后的放电特性。 版权所有(C)2011,JPO&INPIT