Emergency lighting should not take fire special power supply, right?
3 .... in talking about emergency tools. All the emergency Deng has a fast battery and a module like the power of the things. (This thing with the fire touch a quick working principle, the module which has a normally open and normally closed point, when the electricity from the time he was Long open, the charging state, the mains of a short-circuit contacts normally closed, the battery will be through the module command to start the emergency lights.
???The building is the building of the 7th floor, 8th floor fire, the fire host to receive the fire signal, the host to the layer of fire strong cut a command: strong cut non-fire (this refers to the city's electricity is the lighting point ). When this layer is in a power failure state: The emergency principle according to Article 3. Emergency lights are not used fire power
2 .. Building 7 # 8 floor, if the normal power supply from the time when the fire if the fire is not strong, it is likely to cause short circuit problems may cause sparks, leakage, etc., so fire Personnel will be more trouble. Why should fire strong cut
1. ** building building 7 # 8 floor, a fire, the fire control room will receive the smoke into the floor or the temperature of the signal, the host allows all the automatic circumstances, will be linked to the fan to The floor into the 7.8.9 layer to open the wind valve, raw light will start, if the floor of the spray forest are all allowed to spray the forest will start, etc., this is the principle.