| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively perform fire spread preventing and fire extinguishing even when preparing a zone where the number of installations of a sprinkler head exceeds a predetermined number in a facility which installs a dry-type aqueduct-connecting type sprinkler facility. <P>SOLUTION: The dry-type sprinkler facility includes: a sprinkler head (30); a piping for fire extinguishing, which branches from the middle of an aqueduct piping and can supply tap water to a sprinkler head; an electric valve (31) which branches the aqueduct piping and the piping for fire extinguishing, and is usually made into a closed state; an electric valve control panel (50) which forms and outputs a signal which operates the electric valve; and fire sensors (32) arranged at two or more zones, wherein in the inside of a building, a first zone in which the fire sensors in which the accumulating processing is carried out and at most n sprinkler heads are arranged, and a second zone in which the fire sensors in which accumulating processing is carried out and non-accumulating type fire sensors, and at least n+1 sprinkler heads are arranged, are prepared, and the electric valve control panel is made to bring the electric valve into an open state in the second zone according to the non-accumulating type fire sensor having output a fire detection signal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
