Fire-fighting facilities refer to the general term for the facilities installed in buildings and structures for fire alarm, fire-fighting separation, evacuation, rescue operations, etc. It can be divided into two categories: mobile fire-fighting facilities and fixed fire-fighting facilities.

　　Mobile fire-fighting facilities are commonly used; fire extinguishers, gas masks, respirators, other fire-fighting tools, etc.

　　Automatic fire alarm system:

　　is installed in the building, through automatic means to realize early fire detection, automatic fire alarm and automatic fire control equipment linkage control. It is composed of fire trigger device, alarm device, alarm device, fire power supply and other facilities.

　　The automatic fire alarm system plays a vital role in early detection and notification of fires, timely notification of evacuation and fire fighting, prevention and reduction of casualties, and control of fire losses.

　　Working principle and function:

　　When a fire occurs in a building (structure), the fire detector detects the smoke, high temperature, flame, gas and other signals generated by the fire and converts them into electrical signals, which are transmitted to the fire alarm controller, and the controller receives the fire alarm signal to confirm the occurrence In case of fire, two signals are output.

　　Instruct the fire display panel to move all the way, display the fire address (building, room number, etc.), record the time of the fire, and activate the sound and light alarm device to give an alarm to warn the fire scene personnel to put out the fire or evacuate from the fire scene;

　　Another instruction to start fire control equipment, cut off non-fire power supply, start fire shutters, fire elevators, fire emergency lighting, automatic fire extinguishing systems, etc., to prevent the spread of fire, control the fire, and put out the fire in time.