| 摘要 |
PROBLEM TO BE SOLVED: To provide a disaster prevention system capable of easily building a new disaster prevention system and renovating an existing disaster prevention system.SOLUTION: A disaster prevention system 100 includes a smoke vent 20 which functions as disaster prevention means installed in a ceiling 11 of a living room 10 for preventing damage from spreading in the event of a fire in a building, a smoke vent opening device 30 which functions as wireless manual operation means fitted to a wall surface 12 for sending an actuation signal to the smoke vent 20, and a battery 21a constituting power feeding means for actuating the smoke vent 20. The battery 21a, incorporated in a power supply unit 21, is installed in a casing 22 of the smoke vent 20, and the battery 21a is charged by an electric current fed from a commercial power supply 14 for a lighting apparatus 13 installed on the ceiling 11 in the vicinity of the smoke vent 20 through a wire 23. |
