| 摘要 |
<P>PROBLEM TO BE SOLVED: To reject the supply of electric power when an earthquake occurs, with regard to an electric power rejection system. <P>SOLUTION: The electric power rejection system is constituted of a gas flow measurement means 7 for measuring a gas flow, a seismoscope 8 for detecting vibration, an abnormality decision means 9 for deciding an abnormality, when the seismoscope 8 detects prescribed vibration, a transmission means 10 for transmitting an abnormality decision signal from the abnormality decision means 9, a gas meter 12 provided with a gas cut-off valve 11 cutting off a gas flow by the abnormality decision signal, a receiving means 13 for receiving the abnormality decision signal from the transmission means 10 provided in the gas meter 12, an electric power interruption switch 14 for interrupting the supply of electric power, and an electric breaker 16 provided with a control means 15 for disconnecting the electric power interruption switch 14 by the abnormality decision signal received by the receiving means 13, the system is constituted so as to shut off the supply of the electric power, after the supply of the gas is interrupted when the abnormality is decided. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
