ALARM LAMP CONTROL CIRCUIT FOR GARBAGE VERTICALLY CONVEYING FACILITY

摘要

PROBLEM TO BE SOLVED: To provide an alarm lamp control circuit for a garbage vertically conveying facility capable of various indication sequences of the alarm lamp installed on a floor with the less number of wires. SOLUTION: In the garbage vertically conveying facility, the alarm lamps 9 are installed by every floor of a high building. A door opening/closing detection contact point 6 for detecting the opening/closing of a fire door 26 and a lock tightening detection contact point 8 for detecting the tightening of a lock mechanism of the fire door 26 are connected to each other in parallel and an independent alarm lamp circuit 5 is formed in which the parallel contact points are connected to the alarm lamp 9 in series. The independent alarm lamp circuits 5 are installed on the respective floors and a common alarm lamp lighting signal line 2 from a collective control board 1 is laid through the respective floors. The independent alarm lamp circuits 5 of the respective floors are inserted to this alarm lamp lighting signal line 2 in parallel. COPYRIGHT: (C)2003,JPO