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11. 发明专利

JP2001197686A CAPACITOR UNINTERRUPTIBLE POWER SUPPLY APPARATUS 失效
公开(公告)号：JP2001197686A
公开(公告)日：2001-07-19
申请号：JP2000003075
申请日：2000-01-12
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO
IPC分类号： H02J9/06 , H02J9/00
摘要： PROBLEM TO BE SOLVED: To easily provide accurate predicts and diagnostic information. SOLUTION: In the capacitor uninterruptible power supply apparatus, a capacitor electricity storage device 1 which comprises a plurality of capacitors C and a plurality of parallel monitors 9, each of which is connected in parallel with each capacitor to detect and control the charge voltage and current, is connected to an input power supply and a load so that the connection state can be switched via charge and discharge control means 2, 3, 5 to execute charging and discharging. This apparatus is provided with diagnostic means 7, 8, which detect the voltage and output current of the capacitor electricity storage device 1, to find out a residual capacity and consumped power and then predicte the operating time of the device 1 and determines whether the capacitors have deteriorated. By predicting the backup operable time, based on the residual capacity and the average consumped power for a prescribed period of time and determining the deterioration of the capacitors from the loutering of the electrostatic capacity, accurate diagnostic information can be provided easily.

12. 发明专利

JP2001186681A CAPACITOR STORAGE DEVICE PROVIDED WITH INITIALIZING FUNCTION 失效
公开(公告)号：JP2001186681A
公开(公告)日：2001-07-06
申请号：JP37199699
申请日：1999-12-28
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO , MOGAMI AKINORI
IPC分类号： H02J7/02 , G01R31/00 , H02J1/00 , H02J7/00
摘要： PROBLEM TO BE SOLVED: To efficiently perform the initialization in a period excluding the charge and discharge cycle during ordinary use, without providing a special initialization cycle. SOLUTION: This capacitor storage device, where a plurality of capacitors are connected in series, is equipped with a dispersion judging means which judges the dispersion of charge between each capacitor and the next by the full charge voltage at the time of any of the capacitors having reached the full charge by charge; an operation judging means which judges the charge and discharge operation state to each capacitor whether it is a large current of charge and discharge state or not, or whether the charge level is within a certain tolerable range or not; a charge means for initialization which has a parallel monitor for bypassing the charge current with first set voltage to each capacitor; and a voltage detection means for detecting the second set voltage for judging the finish of the initialization higher than the first set voltage. The device performs the charge for initialization to each capacitor, based on the judgment of the charge dispersion and charge and discharge operation state, and performs initialization without being provided with a special initializing cycle.

13. 发明专利

JP2001037090A REMAINING AMOUNT DISPLAY DEVICE FOR CAPACITOR CHARGING SYSTEM 失效
公开(公告)号：JP2001037090A
公开(公告)日：2001-02-09
申请号：JP20547599
申请日：1999-07-21
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK
发明人： OKAMURA MICHIO , YAMAGISHI MASAAKI
IPC分类号： H01G9/28 , B60L11/18 , H02J1/00 , H02J7/00
摘要： PROBLEM TO BE SOLVED: To simply and accurately measure and display remaining amount by incorporating a capacitor charging system for switching series-parallel connections. SOLUTION: This remaining display device for a capacitor charging system connects a plurality of capacitors C in series-parallel connections and charges the capacitors C. The remaining display device comprises constant-voltage limiting variable resistor circuits X1, X2, R1 to R4 for constant voltage operation at a preset voltage with a constant resistor at a low voltage, and a load resistor R5 connected to a plurality of constant voltage-limiting variable resistor circuits. The device extracts a terminal voltage of at least one capacitor C among the plurality of the capacitors to detect a current which flows to the circuits X1, X2, R1 to R4 and the resistor R5, obtains and displays a remaining amount of the system. Accordingly, even if it is a capacitor charging system of the type for switching plurality of the capacitors in series-parallel connections in response to charging/discharging state and connecting the capacitors, remaining amount characteristics can be approximated by a folding line with a simple circuit.

14. 发明专利

JP2000228335A ELECTRICAL DOUBLE-LAYER CAPACITOR 失效
公开(公告)号：JP2000228335A
公开(公告)日：2000-08-15
申请号：JP2898199
申请日：1999-02-05
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , CASIO COMPUTER CO LTD
发明人： OKAMURA MICHIO , MATSUDA KUNIHIRO
IPC分类号： H01G11/66 , H01G11/10 , H01G11/12 , H01G11/22 , H01G11/38 , H01G11/42 , H01G11/86 , H01G9/058 , H01G9/016
摘要： PROBLEM TO BE SOLVED: To obtain an electrical double-layer capacitor, having a large electrostatic capacity density by preventing reduction of an electrostatic capacity density, considered to be caused by nonuniformity of polarizable electrodes for an electrical double-layer capacitor which is generated, when the thickness of the polarizable electrodes is made large. SOLUTION: This electrical double-layer capacitor, having a large electrostatic capacity, can be obtained by forming at least one of a positive electrode side polarizable electrode, and a negative electrode side polarizable electrode provided between a positive electrode current collector and a negative electrode current collector, by laminating a plurality of unit polarizable electrodes. Moreover, conductive substances are put on the laminating surfaces of the unit polarizable electrodes, and the unit polarizable electrodes are laminated.

15. 发明专利

JP2000217250A DEVICE FOR STORING ELECTRICITY IN CAPACITOR AND PARALLEL MONITOR HAVING INITIALIZING FUNCTION AND METHOD FOR CONTROLLING INITIALIZATION 失效
公开(公告)号：JP2000217250A
公开(公告)日：2000-08-04
申请号：JP997499
申请日：1999-01-19
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO , SHINOZUKA MASAHIKO , MOGAMI AKINORI
IPC分类号： H02J7/02 , H02J1/00 , H02J7/10
摘要： PROBLEM TO BE SOLVED: To facilitate integration of circuits easy and to reduce the current capacity of a bypass circuit and loss due to initialization. SOLUTION: This device is provided with a pair of input terminals P1, P2 connected between the terminals of a capacitor C1, initializing circuits Q1 to Q3, X1, R1 to R4 which are connected to the pair of the terminals P1, P2 and detect a terminal voltage for determining an initializing voltage and to bypass the charging current of the capacitor C1, signal emitting circuits X2, R5 to Rj7 which are connected to the pair of the terminals P1, P2 and detect the terminal voltage to determine a full charging voltage and to emit a full charging signal, selection circuits Q4, R8 to R10 which select or release initializing operation by the initializing circuit according to the selection signal of initializing modes, and a signal terminal P3 which emits the full charging signal and inputs the selection signal of initializing modes. A plurality of the capacitors C1 are connected in series to constitute an electricity storing device. The selection signal of initializing modes in inputted, and the full charging signal is emitted from the signal terminal P3.

16. 发明专利

JP2000152508A STORAGE WITH CAPACITOR INITIALIZING FUNCTION 失效
公开(公告)号：JP2000152508A
公开(公告)日：2000-05-30
申请号：JP32474398
申请日：1998-11-16
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO , SHINOZUKA MASAHIKO
IPC分类号： H02J7/00 , H02J1/00
摘要： PROBLEM TO BE SOLVED: To reduce the current capacity of a bypass circuit in a capacitor and loss of initialization. SOLUTION: This storage is provided with a voltage detecting means 3 detecting full charge voltage Vful of respective capacitors Cs, an initialization selecting means Init selecting an initialization mode, bypass means 4, Tr, R which compare the terminal voltages of the respective capacitors Cs with reference voltage Vini equal to or less than the full charge voltage on condition that the initialization mode is selected by the initialization selecting means Init, and bypasses the part of charging current when the terminal voltage exceeds a reference voltage Vini, and charging control means 1, 2 which charge the capacitors Cs connected in series and stop charging on the condition that the full charging voltage Vful is detected from either of the capacitors Cs by the voltage detecting means 3, and formed so that a plurality of capacitors Cs may be connected in series.

17. 发明专利

JP2000100672A MANUFACTURE OF ELECTRIC DOUBLE LAYER CAPACITOR 失效
公开(公告)号：JP2000100672A
公开(公告)日：2000-04-07
申请号：JP26821298
申请日：1998-09-22
申请人： OKAMURA KENKYUSHO KK , JEOL LTD , POWER SYSTEM KK
发明人： OKAMURA MICHIO
IPC分类号： H01G11/00 , H01G11/22 , H01G11/38 , H01G11/42 , H01G11/84 , H01G9/155
摘要： PROBLEM TO BE SOLVED: To obtain an electric double layer capacitor having a small self- discharge rate. SOLUTION: In a method for manufacturing electric double layer capacitor, the charging of an electric double layer capacitor is started by using such a voltage that does not cause the electrolysis of the substance mixed in an electrolytic solution as an impression voltage, before an electric double layer capacitor element constituted by facing polarizable electrodes to each other through a separator is dipped in the electrolyte and sealed. After the charging is performed for a long time beyond the rated charging time of the capacitor by raising the voltage to an appliable voltage, the capacitor element is sealed.

18. 发明专利

JPH11299119A SERIES-PARALLEL SWITCHING POWER SUPPLY DEVICE 失效
公开(公告)号：JPH11299119A
公开(公告)日：1999-10-29
申请号：JP9740298
申请日：1998-04-09
申请人： OKAMURA KENKYUSHO KK , TOKYO ELECTRIC POWER CO , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO , OSHIMA MASAAKI , YAMAGISHI MASAAKI , MOGAMI AKINORI
IPC分类号： H01G11/00 , H01G9/28 , H01G11/08 , H01G11/10 , H01G11/14 , H02J1/00 , H02J7/00 , H01G9/155
摘要： PROBLEM TO BE SOLVED: To avoid a cross current which is produced by a potential difference between a pair of batteries when the charging method of the pair of batteries are switched from the parallel connection charging to the series connection charging. SOLUTION: A power supply device has a pair of batteries C1 and C2 whose voltages are much changed in accordance with charge/discharge values, and three switching means which are connected in series to the pair of batteries respectively. The connection of the pair of batteries are switched between the series connection and the parallel connection at a predetermined voltage. Parallel circuits composed of unilateral control rectification devices Q1 and Q2, and reverse direction rectification devices D1 and D2 which are connected in parallel to each other respectively, are connected in series at least to the pair of batteries C1 and C2 respectively as the switching means. The rectification devices D1 and D2 are connected in directions of the flows of the discharging currents of the batteries, and the unilateral control rectification devices Q1 and Q2 are connected in directions of the flows of the charging currents of the batteries to limit excessive charging currents with current limiting circuits L1 and L2.

19. 发明专利

JPH11156539A ELECTRIC WELDING SYSTEM 失效
公开(公告)号：JPH11156539A
公开(公告)日：1999-06-15
申请号：JP33257297
申请日：1997-12-03
申请人： IMAJIMA YOSHIO , POWER SYSTEM KK , OKAMURA KENKYUSHO KK
发明人： IMAJIMA YOSHIO , SHIMIZU MASAAKI , YAMAGISHI MASAAKI , OKAMURA MICHIO
IPC分类号： B23K11/26 , B23K9/073 , H02J1/00 , H02M9/00
摘要： PROBLEM TO BE SOLVED: To realize a high quality welding system of a small size, light weight, high speed charge, high charge and discharge efficiency and of a long life. SOLUTION: This electric welding system utilizes an electric energy accumulated by plural condensers and is provided with a condenser bank 1 being connected with the plural number of condensers 2 to accumulate an electric energy, charged by a charge electric source and a charge control means 5 to control the charging of the condenser bank 1 by the charge electric source, a welding means 7 to weld by an electricity supplied from a charged electric source or the condenser bank 1, and an electric current pump 4 to control an electric current to be supplied to the welding means 7. As the plural number of the condensers 2, an electric double layer condenser having a parallel type charge controller being parallel connected with a parallel type charge control circuit 3 which bypasses a charge electric current in correspondence to the charged condition is used. The condensers 2 have a connect/disconnect unit which freely connects/disconnects the charged electric source and the condenser bank 1.

20. 发明专利

JP2002142374A VARIABLE VOLTAGE CAPACITOR POWER STORAGE SYSTEM 失效
公开(公告)号：JP2002142374A
公开(公告)日：2002-05-17
申请号：JP2000334415
申请日：2000-11-01
申请人： OKAMURA KENKYUSHO KK , POWER SYSTEM KK , JEOL LTD
发明人： OKAMURA MICHIO
IPC分类号： H01G9/26 , H01L27/10 , H02J1/00 , H02J7/02
摘要： PROBLEM TO BE SOLVED: To accomplish charged level control and anomaly detection appropriate to the service conditions. SOLUTION: In a capacitor power storage system, the capacitor C thereof is connected with a parallel monitor for monitoring the charging voltage and equalizing charged levels. The capacitor power storage system is provided with charging control means 4 and 11 that vary the full charged voltage, depending on the voltage monitor signal from the parallel monitor and the service condition and varies the full charged voltage, depending on the service environment. The parallel monitor includes a comparator 12 for detecting the voltage at a set initialization level and the bypass circuit T of the capacitor, which bypass circuit uses as control input the output of the comparator. The charging control means 4 and 11 keep the control input on for a certain period of time, if the initialization level is detected at any of a plurality of capacitors, sets a full charged voltage based on the overall voltage, after the lapse of the certain period of time, and controls the full charged voltage according to the service condition, to increase the working voltage to prevent reduction in the capacitance at midwinter or in a cold district and decrease the full charged voltage to prevent deterioration in hot district.

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