Shenhai Explosion-Proof
Emergency lighting for explosion-proof environments primarily includes standby lighting, safety lighting, evacuation lighting, and emergency rescue lighting. When selecting products, it’s crucial to choose with care. Below, we outline the key parameters for each type of emergency lighting, including illumination levels, switch-over times, and continuous power supply durations.
1. Standby Lighting:
Standby lighting is used temporarily in case of normal lighting failure due to malfunctions.
Illumination: Should not be less than 10% of the standard lighting levels. In critical areas like high-rise building fire control rooms, pump rooms, smoke extraction rooms, distribution rooms, and emergency power rooms, standby lighting must ensure normal operations.
Switch-over Time: Should not exceed 15 seconds, and for business premises, it should be less than 1.5 seconds.
Connection Time: Typically not less than 20-30 minutes for production workshops, with communication hubs and substations requiring connection until normal lighting is restored. High-rise fire control centers generally require 1-2 hours.
2. Safety Lighting:
Safety lighting is designed to ensure the safety of individuals in hazardous situations following the failure of regular lighting.
Illumination: Generally, it should not fall below 5% of normal lighting levels. For particularly hazardous areas, it must not be less than 10%. Medical and emergency care areas, such as emergency centers and operating rooms, require standard illumination levels.
Switch-over Time: Must not exceed 0.5 seconds.
Continuous Power Duration: Determined as needed, typically around 10 minutes for workshops and several hours for operating rooms.
3. Evacuation Lighting:
Evacuation lighting is activated to facilitate safe evacuation in case of an incident leading to normal lighting failure.
Illumination: Not less than 0.5 lux; if using fluorescent lights, the brightness should be appropriately increased.
Switch-over Time: Not more than 1 second.
Continuous Power Duration: At least 20 minutes for battery-powered systems, and for buildings over 100m high, at least 30 minutes.
4. Emergency Rescue Lighting:
Emergency lighting refers to the systems used by factories, businesses, and public institutions under special circumstances.
Illumination: Varies based on the site environment and scope of use, with different luminous flux levels selected to meet emergency lighting needs.
Features: Most emergency lighting devices are explosion-proof, waterproof, and corrosion-resistant, functioning well in harsh conditions, including corrosive environments, heavy rain, and dusty settings, and are highly resistant to impacts and vibrations.