An emergency light tower that is always connected to a power source during normal or emergency lighting, also known as a "normally lit" emergency light. Class A fire emergency lights: fire emergency lights whose main power supply and battery power supply rated working voltage is not greater than DC36V. Features: Compared with B-type fire emergency lights, it is safe but with low brightness. Centralized power supply emergency fire lights: both the main power supply and the battery power supply are centrally powered by the emergency lighting centralized power supply.
In the event of a fire, the emergency light tower centralized power supply will cut off the main power supply, and the built-in battery in the emergency lighting centralized power supply will supply power to the matching fire emergency lighting equipment. Self-contained emergency fire lights: emergency lights are equipped with emergency lighting distribution boxes, usually powered by mains power, and powered by batteries in case of fire.
Forced start principle and wiring method of emergency lighting. The function of the normal/forced lighting line is: in a non-emergency state, we can treat and use this emergency lamp as an ordinary lamp. In the non-emergency state, the wire connected to the S static contact 1 of the double-control switch is in an electrified state, and the wire connected to the S static contact 2 of the double-control switch is in a de-energized state.
The double-control switch S (this double-control switch is actually a single-connected single-control switch in the non-emergency state) can realize the lighting and extinguishing of this emergency lamp. When the static contact 1 is hit, the emergency lamp is lit, and when the static contact 2 is Emergency lights go out. In an emergency state and when the mains power is available, the wires connected to the S static contacts 1 and 2 of the double control switch are in an electrified state, and this wire will realize the forced start of the emergency lamps, which is a signal from the fire control room Forced start method. Clean the oil filter cup of the work light every 6 months.
