Have you ever paid attention to stairwells emergency lighting? Today Effort would like to introduce you to the classification and basic requirements of stairwells emergency lighting.
Classification of stairwells emergency lighting
1. Standby lighting
stairwells emergency is the lighting used to ensure the continuation of normal activities. stairwells emergency lighting is mainly installed in stairwells where work interruptions or malfunctions are likely to cause explosions, disasters, personal injuries or serious consequences and economic losses, such as stairwells in hospitals, shopping malls, gymnasiums, theatres, etc.
2. Safety lighting
stairwells emergency safety lighting means lighting used to ensure the safety of people in potential danger.
3. Evacuation lighting
stairwells emergency evacuation lighting is lighting used to ensure that evacuation routes are effectively identified and used. stairwells emergency evacuation lighting is mainly installed in crowded places where normal lighting would be extinguished or in the event of a fire, causing confusion, such as hotels, theatres, exhibition halls, large department stores, gymnasiums, stairwells in multi-storey buildings, etc. evacuation routes, etc.
Basic requirements of stairwells emergency lighting
1. Requirements for stairwells emergency lighting
stairwells emergency lighting luminaires are required to be either self-powered or centrally powered emergency luminaires.
Once the power supply has been cut off, the self-powered emergency luminaire can be powered by its own battery and each luminaire is equipped with internal electronic components that can play a role in voltage transformation, charging, voltage regulation and power storage. When the emergency lighting is overhauled, the battery can be removed and charged for normal use next time.
Centralised power supply emergency luminaires have no independent power supply and when the normal lighting power supply is cut off, the power supply source is mainly concentrated in the power supply system. This form of emergency lighting system omits some of the complex electronic circuitry within the luminaire and allows the centralised power supply system to be set up in a dedicated room, which will automatically be switched on in the event of an accident.
2.stairwells emergency lighting installation requirements
(1) Each unit should have emergency lighting in the evacuation aisles, exits and stairwells.
(2) stairwells emergency lighting lights should be located on the wall or ceiling. The evacuation signs should be placed on the top of the doors or evacuation aisles and their corners below the height of one meter from the ground on the wall, the distance between the signs on the aisles should not be greater than 20 m. Accident lighting and evacuation signs, should be equipped with glass or other non-combustible materials made of protective cover.
(3) The continuous power supply time for the standby power supply of stairwells emergency lighting luminaires and lighted evacuation indication signs shall not be less than 30min.
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