City construction and development increases land tense and high-rise building. But high fire risk exists with high-rise building. An automatic fire defighting system is necessary to save property and lives. Complete fire defighting system can find fire at initial time and extinguish it.
A well designed fire defighting system should consists of the following components:
1. Fire alarm system
The building’s automatic fire alarm system consists of detectors, regional centralized alarm display and composition. Set in a layer of fire control center located in each area displays.
2.The fire services communication system
Fire combination of broadcasting and public broadcasting. Accident radio amplifier set a preparation of a master of two, and power to meet the requirements. The equipment is using bus system with control module. Each control module can control maximum 40 pcs 30w speakers. Fire dedicated telephone communication network system is independently. Fire special phone is set in fire control room, the duty room and main entrance.
3.Safe evacuation and smoke control system. To manually turn on the principle of the exhaust fan and the shut off fire door to resist fire spreading.
4.Coordinated control system
Fire pump, sprinkler pump starts, Smoke exhaust fan starts, the reomval of non-fire power the elevator landing, fire shutter down logic preparation, any confirmation of fire signal fire facilities are linked actions.