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Selection of power transformer, the choice of rechargeable batteries battery power supply transformer shall meet the following requirements: (1) the use of daylight lamp battery charging time not less than 20 minutes, using fluorescent lamp battery charging time of not less than 30 minutes (2) installed capacity cannot excessive version of the emergency lights should use nickel cadmium battery or lead acid battery, battery charging time is long can adopt large capacity mouth type of rechargeable battery (3) electrical equipment of prefabricated components including alternating current (ac) and communication characteristics of switching converter detection circuit work ballast prefabricated, etc

Security fire emergency lighting specification what 1 emergency lighting as part of the normal lighting equipment in addition to each other when using, need to have separate control switch, switch and control panel should be distinguished from the general lighting panel switch or choose zone display information lamp type 2 emergency lighting is not as part of the normal lighting equipment when not in use, when all the normal lighting equipment due to shut off the power, emergency lighting power supply should be automatic type 3 fire safety fire safety evacuation exit capital allocation of fire safety fire evacuation lighting illuminance values are not less than 0.5 lx, civil air defense equipment for the lx4 within the workplace safety lighting illuminance value not less than 5% of the place of general lighting light value 5 embedded lighting illuminance values unless otherwise specified, not less than 10% of the place of general lighting light value 6 control room fire water pump room smoke elimination machine room of high pressure low pressure high and low pressure, emergency diesel generator room reserved telephone always and still need to work again when there is a fire on the other embedded lighting equipment of the room, should guarantee the normal lighting light 7 public safety evacuation export should be in place at the entrance evacuation indicator light

8 fire safety fire evacuation lighting should be built in the wall or on the top of the canopy, exit signs should be built on top of the entrance, evacuation aisle indicators should be built at the corner and evacuation corridor, apart from the ground 1. Om the following metope, straight type fire safety evacuation fire evacuation corridor lights that spacing can not exceed 10. Om, bag type fire safety evacuation fire evacuation corridor lamp spacing can't play against 10. Om, corridor, corner area hydrophobic, evacuation indicator light spacing can't exceed 1. Om 9 civil air defense equipment, evacuation walk to the spacing of the logo evacuation indicator should not exceed 10 meters, the height from the ground 1.00

1.20m 10 emergency lights and evacuation indicators, the storage battery can be used as the switching power supply, the battery should be configured according to 90min, lighting equipment continuous power supply and distribution system time should not be less than 30min