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Sign Light Emergency Lighting Nov 02, 2017

The emergency lighting and evacuation lights control requirements, in the "fire automatic alarm system design specifications" Article pointed out: fire control room to confirm the fire, Sign Light 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 lights.

How to meet the requirements of fire evacuation lighting, high-level office space is 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 the different load levels Equipped with a battery pack, the normal charge standby, the fire when the mains power supply, emergency battery power supply, and can 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, Sign Light with local settings with nickel-cadmium battery lamp program, this way there is a way to double the power supply, 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. Sign Light And scattered, 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, when the fire by the fire control room signal forced connection, play the role of emergency lighting and evacuation lighting.

(1) evacuation indicator lights. Sign Light Its position is located in the top of the Taiping Gate and evacuation walkway and its corner from the ground height of 1m below the wall, using a single emergency way, the fire by the fire control room signal.

(2) emergency lighting circuit. The lighting of the circuit usually acts as a normal public lighting and can be controlled by a lighting switch. Fire can be transferred to the emergency state, Sign Light directly connected to the emergency evacuation lighting, switch at this time out of control, fire emergency lighting from the switch control.

(3) general public lighting circuit. Sign Light Such lighting is the general public lighting, not emergency lighting, it can not take the circuit with a battery,Sign Light the fire does not require immediate access. This type of lighting connected to the accidental lighting distribution box of the ordinary loop can save the cost of separate distribution box, do not increase the capacity of the battery, the management more convenient.

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