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    • 27. 发明专利
    • MONITORING APPARATUS FOR ABNORMALITY OF STATIONARY LEAKAGE OIL
    • JPH11304634A
    • 1999-11-05
    • JP11553898
    • 1998-04-24
    • TOKO SEIKI KK
    • FUKUDA HIROHARUKAMIMURA NAOHIRONAKAI TSUTOMUMURAYAMA SEISABUROIMAMURA TETSUNORI
    • G01M3/38G05B23/02G06T1/00G06T7/00G08B25/00G08B29/00
    • PROBLEM TO BE SOLVED: To obtain a monitoring apparatus by which a stationary leakage oil can be detected at an early stage by a method wherein a camera is changed over in a monitoring exclusion state when two continuous images are changed, a monitoring area is reset when the monitoring exclusion state is returned between a previous monitoring operation and a current monitoring operation and a warning is displayed when an abnormality is generated in the stationary leakage oil. SOLUTION: An image changeover part 2 controls a plurality of image signals imaged by a plurality of cameras 1 so as to be changed over sequentially. A CPU 5 judges whether a change exists between two continuous images. When the change exists, a normal monitoring state or a monitoring exclusion state is judged on the basis of the operation of a human-body detecting sensor 24 in a monitoring area. In the normal monitoring state, a change state between the two images is monitored. In the monitoring exclusion state, the image signals are changed over to an image signal by a next camera 1. Whether a return operation to the normal monitoring state from the monitoring exclusion state exists between a previous monitoring operation and a current monitoring operation exists is judged. When the return operation exists, the monitoring area is reset, and whether the abnormality of a stationary leakage oil inside the monitoring area exists or not is judged by an image processing board 5a. When the abnormality exists, an abnormality warning is displayed on a CRT 3. Thus, whether the abnormality of the leakage coil exists or not can be monitored at high frequency.
    • 30. 发明专利
    • ACCIDENT INFERENCE AND AUTOMATIC RESTORATION EQUIPMENT IN TRANSFORMER STATION
    • JPH10304550A
    • 1998-11-13
    • JP10597197
    • 1997-04-23
    • TOKO SEIKI KK
    • HIGASHIYAMA NORIOOKAWA YASUSHIAKEHI TERUKAZU
    • G01R31/08H02H3/02H02H3/05H02J3/00H02J13/00
    • PROBLEM TO BE SOLVED: To surely and immediately cancel an automatic restoration operation by installing an automatic restoration operation cancelling means for locking or stopping an automatic restoration operation by a control signal which informs that the operating conditions have changed or a control signal which informs that an operation has not been made as specified. SOLUTION: A press-button switch 17 for automatic restoration operation is for cancelling an automatic restoration operation by being pressed to close a normally open contact 19a of a relay 19 for a period from the generation of a restoration procedure to the termination of the automatic restoration operation. In addition to a press button switch 16 for automatic restoration operation and the press-button switch 17 for automatic restoration operation, a control input/output circuit of an automatic operation section is provided with an automatic restoration operation cancelling means which automatically senses a case that the operating conditions have been changed or a case that an operation has not been made in accordance with a command, while the automatic restoration operation is being executed after it has started by pressing the press-button switch 16 for automatic restoration operation and then locks or stops the automatic restoration operation.