What are the requirements for the configuration of indoor emergency lights?
1. When emergency lighting is used at the same time as a part of normal lighting, there should be a separate control switch, and the control switch panel should be different from the general lighting switch panel or choose the type with indicator light.
2. When setting on the side wall of the evacuation aisle, the height should be less than 1m from the ground, the distance between the sign lights should not be more than 10m, the size of the protruding wall part of the lamp should not exceed 20mm, and the surface should be smooth.
3. Fire emergency lights should be protected by fire protection of distribution lines. When hidden, it is laid in the non-combustible structure, the thickness of the protective layer is not less than 30mm; wear metal pipe when applied openly, and brush fireproof paint or other fireproof measures on the outside of steel pipe; fireproof cable or fire-resistant cable and wire are used in the line.
What are the setting requirements for emergency lighting?
1. The setting of safety exit sign lights must meet the following requirements: emergency lights are needed at the entrances and exits of underground buildings, the horizontal illumination of the ground should not be lower than 0.5LX, and the signs of safety exits should be installed above the side of the evacuation exit and the staircase, at a height of more than 2 meters from the ground.
2. Article C.1 after the normal power supply is cut off, the power conversion time of emergency lighting shall meet the following requirements: evacuation photo ≤ 15s, (financial and commercial trading place ≤ 5s); safety lighting ≤ 0.5s. Article C.4. When there is a design requirement, it is advisable to have an audio indicator signal at the same time.
3. Fire emergency lighting should be set on the upper part of the wall, on the ceiling or on the top of the exit. It is best to set up one every 10 meters or so to ensure that the illuminance of emergency lighting is qualified.
4. Independent power supply should be used to ensure the normal operation of lighting equipment in the case of power outage. The power supply line should be set independently. Emergency lights can be put into use only after they have passed the acceptance check.
5. For fire protection zones, emergency lights should have a separate circuit, and fire barriers should be provided in each zone. In addition, the installation of emergency lights should avoid the impact on normal lighting, and it is best not to use lighting lamps with similar signs around the installation location.
6. (1) Emergency lighting shall be provided in the following parts of the high-rise building: 1) stairwell, smoke-proof stairwell, fire elevator and its front room, shared front room and refuge floor (room).
Some requirements of the installation specification for various types of emergency lights
Fire emergency lights advocate low installation, that is, near the ground or at the height of the ground. Because in the state of fire, there is less smoke and more oxygen near the ground, people usually bend over or crawl to escape, and local high illumination is more effective than high-level installation of uniform illumination.
The common double-headed fire emergency lights are generally installed above the door frame of the exit of the evacuation passageway, on the walls of corridors and safety exits, at a height of more than 2 meters from the ground; in large-scale electronic markets, shopping centers and other places, double-headed emergency lights are directly mounted on the posts.
The setting of evacuation sign lights does not affect normal traffic, and other signs which are easy to be mixed with evacuation sign lights are not set around them. Emergency lighting fixtures, lamps and lanterns with a temperature higher than 60 ℃ in operation shall take fire prevention measures such as heat insulation and heat dissipation when they are close to combustibles.
How to choose Fire Emergency Lighting
In addition to choosing a suitable light source, it is very important to choose a safe, reliable, durable and durable emergency lighting power supply. Classification of emergency lighting power supply emergency lighting power supply is converted to emergency lighting power supply when the normal power supply no longer provides the lowest brightness required for normal lighting, that is, when the voltage of the normal lighting power supply drops below 60% of the rated voltage.
What is the brand of emergency lights? Rex Lighting, a leading lighting supplier in China, was listed on the main board of the Hong Kong Stock Exchange on May 20, 2010. According to the statistics of China Lighting and Electrical Appliances Association, Leishi Lighting is the largest domestic lighting brand supplier according to 2009 revenue.
When selecting fire emergency lighting and evacuation indication system, the following principles should be followed: professionalism, energy saving and safety.
However, in the daily inspection, it is found that there are many problems in the selection, installation and use of fire emergency lamps. Therefore, the reasonable selection of power supply control mode and wiring mode of the emergency lighting system and doing a good job of daily maintenance directly affect the role of the fire emergency lighting system.
