| 摘要 |
<p>PURPOSE: A compulsory exhaust device for a fire is provided to secure the evacuation time in the early stage of a fire and to minimize the death from suffocation due to poisonous gas by exhausting poisonous gas and heat quickly and effectively. CONSTITUTION: A compulsory exhaust device for a fire includes an exhaust pipe(10) installed to an inside space on the upper part of a ceiling finishing part(100) of the indoor and attached with an exhaust fan to make an end face the outdoor, many branch pipes(20) connected to the exhaust pipe to face the ceiling finishing part, and a fire detector(40) installed to the branch pipe and moved vertically by a lifting device(30), wherein the fire detector moves downward from a suction hole formed in the ceiling finishing part to open and close the suction hole.</p> |
