The emergency lamp is the general name of the lamp used for emergency lighting. Emergency lights can be divided into portable emergency lights, fire emergency lights, energy saving emergency lights, supply emergency lights, underwater emergency lights, rechargeable emergency lights, solar emergency lights, multifunctional emergency lights and so on.
The emergency lighting system is mainly based on the independent control of its own power supply. The normal power supply is connected to the power supply circuit of ordinary lighting. Usually, the emergency lamp battery is charged. This form of emergency lamp every lamp has a large number of electronic components, such as variable voltage, stable voltage, charging, inverter, battery, etc., the emergency lamp in use, maintenance, failure of the battery are required to charge and discharge. The other is the centralized power control type. There is no independent power supply in the emergency lamps. In case of failure of normal lighting power supply, the power is supplied by the centralized power supply system.
The fire emergency lighting system mainly includes emergency lighting, emergency exit signs and indicators. It is set to guide the evacuation of trapped people or launch fire fighting and rescue operations after the power supply of normal lighting is cut off in case of fire. But in the daily inspection found that the unit in the fire emergency lamps selection, installation and use of the process there are many problems. Therefore, reasonable selection of power supply control mode and wiring mode of emergency lighting system and good daily maintenance will directly affect the role of fire emergency lighting system.