DEVICE FOR RESTRAINING RAILROAD CROSSING FROM RUMBLING AT POWER FAILURE
PROBLEM TO BE SOLVED: To secure safety when electric power fails only with a control system and to stop rumbling of a railroad crossing on a device to carry out feeding to the railroad crossing itself and feeding to the control system such as a train detector and an automatic train control device, e...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To secure safety when electric power fails only with a control system and to stop rumbling of a railroad crossing on a device to carry out feeding to the railroad crossing itself and feeding to the control system such as a train detector and an automatic train control device, etc., from a separate electric power source system. SOLUTION: When electric power fails in a second substation 85 and electric power supply to a control system is stopped, emergency stop motion of each train is started by stopping temporary feeding to an automatic train control device from a battery part 33 at first by opening a power failure R motion contact point 52. A power failure U relay 42 works after time required for each train on a track to complete emergency stop passes. At this time, though feeding to a train detector from the battery part 33 is stopped by a power failure U recovery contact point 53, a power failure U motion recovery contact point 67 comes to be on the side of a motion contact point, and accordingly, even when a 2T motion contact point, etc., are opened, a DC relay 61 is forcibly magnetized from the battery part 33, and the rumbling of a railroad crossing is restrained. |
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