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Sign Light Emergency Lighting Jul 20, 2017

Fire emergency lights, Sign Light apply to fire emergency lighting, fire emergency is the most common of a lighting tool, emergency long time, high brightness with automatic power failure emergency function. Fire emergency lights with low power consumption, high brightness, Sign Light long life and other characteristics, the edge of the design of a power switch and refers to the lights, suitable for factories, hotels, schools, Sign Light units and other public places to stop power for emergency lighting purposes.

Fire emergency lighting system, including emergency emergency lighting, emergency exit signs and lights, in the event of a fire when the normal lighting power cut off, Sign Light guide the trapped personnel to evacuate or start fire fighting and rescue operations set up. However, Sign Light in the daily inspection found that the unit in the fire emergency lighting selection, installation and use of the process there are many problems. Should this, a reasonable choice of emergency lighting system power supply control, Sign Light wiring, do routine maintenance work, a direct impact on the role of fire emergency lighting system play.

The emergency lighting and evacuation indicator light control requirements, Sign Light in the "fire automatic alarm system design specifications" Article pointed out: fire control room to confirm the fire, should be able to cut off the relevant parts of the non-fire power, and connected to the alarm device And fire emergency lights and evacuation signs.

How to meet the requirements of fire evacuation lighting, Sign Light in the high-level office buildings are usually based on the needs of fire evacuation and public lighting combined with accident lighting, emergency lighting power is a dual power supply, and a dual power supply automatically into the device, Sign Light according to different load levels With a battery pack, the normal charge standby, the fire when the mains power supply, emergency battery power supply, and to maintain power supply more than 20min. Issued by the fire control center signal, Sign Light automatically connected to the emergency lighting circuit to ensure the safe evacuation of personnel.

In the emergency lighting design, the usual use of dual power supply, with the local set with nickel-cadmium battery lamp program, this way there is a way to double the power supply, Sign Light emergency battery can not work emergency, if you can consider the usual control, and Meet the fire in time to connect the accident lighting circuit need to add an emergency control line, so that control lines more locks. And scattered, Sign Light the number of more with the battery emergency lighting, maintenance and repair workload is relatively large, especially the battery replacement cost is also high. Therefore, it is easy to cause the accident with the battery accident is just useless.

Design of the improved emergency lighting power supply, the use of each set of centralized power supply with a secondary battery distribution box, Sign Light the distribution box with dual power supply and automatic backup battery automatically put into the function. This circuit can be centralized control on and off, Sign Light when the fire by the fire control room signal forced connection, play the role of emergency lighting and evacuation lighting.