Shenyang emergency fire lighting It is a fire emergency lamp to provide lighting for personnel evacuation and fire fighting operations! It uses external power supply at ordinary times, and automatically switches to battery power supply state when power is cut off! Generally, high rise buildings/shopping malls/entertainment places and other crowded places will be equipped with emergency lights!
How much do you know about fire emergency lighting? Let's get to know.
(1) Fire emergency signs. It is located at the top of the emergency exit, the evacuation walkway and the wall at its corner, which is less than 1m above the ground. The single emergency mode is adopted. In case of fire, the fire control room will send a signal to connect.
(2) Fire emergency lighting circuit. The lighting of this circuit usually plays the role of normal public lighting, which can be controlled through the lighting switch. In case of fire, it can be switched into emergency state, and the emergency evacuation lighting lamps can be directly connected. At this time, the switch is out of control, and the fire emergency lighting is not controlled by the switch.
(3) General public lighting circuit. This kind of lighting is general public lighting, not emergency lighting, so it can not be connected to the circuit with battery, and it is not required to be connected immediately in case of fire. This type of lighting is connected to the emergency lighting Power Distribution Box The common circuit of the battery can save the cost of setting a separate distribution box, without increasing the capacity of the battery, and the management is more convenient.
(4) According to the actual project needs, emergency supply The distribution box can also provide the DC power required for fire control.
(5) For power transformation and distribution room, fire control room, fire water pump room, smoke control and exhaust machine room, battery room for fire power supply, self-contained generator room, telephone master room, computer room and important rooms that still need to work in case of fire, emergency power box shall be set separately, and emergency lighting shall ensure normal illumination at ordinary times.
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