FIRE SENSOR

摘要

PROBLEM TO BE SOLVED: To provide a fire sensor simply fitted to a ceiling with a small downward projection from the ceiling in the state fitted to the ceiling. SOLUTION: A base part 2 fitted so as to be embedded in a fire sensor fitting hole (hc) formed on the ceiling C is provided with terminal receivers (h2) electrically/physically connected to connecting terminals 7 led from a smoke/heat detection means 33. A head part 3 can be attached or detached to/from the base part 2 by connecting or extracting the terminals 6 led from the means 33 formed in the head part 2 to/from the terminal receivers (h2) formed in the base part 2.