【 Weak current College 】 fire emergency lighting

Means a fire occurs, for evacuation and fire jobs provide logo and/or lighting of all kinds of lamps. By purpose can be divided into:
1. fire emergency lighting. Means of evacuation and/or fire jobs provide lighting fire emergency lighting;
2. fire emergency lamp. Use the graphics and/or text completes the following function in the fire emergency lighting:
① indicates security export and its direction;
② indicates floors, refuge and other safe place;
③ indicates that the fire-place and direction;
④ indicates prohibited by channel, and a repository of dangerous goods.
3. fire emergency lighting sign. When both of the fire emergency lighting and fire emergency lamp function of fire emergency lighting.
Fire emergency lighting by emergency power supply forms can be divided into:
1. bring power type. Means the battery and inspection devices mounted on the inside or near the luminaire (1m distances) fire emergency lighting;
2. centralized power. Means a lamp without independent battery and power supply by centralized supply units of fire emergency lighting;
3. the master and slave power type. A fire emergency lighting without independent battery from the associated master fire emergency lighting power of a group of fire emergency lighting.
Fire emergency lighting in emergency response time should not be less than 90min, and not less than the lamp itself nominal response time; its emergency conversion time should no more than 5s, high-risk areas use fire emergency lighting, emergency conversion time is not greater than 0.25s. Evacuation lighting by accident, its intensity shall not be less than 0.5lx. National standards for the building design fire protection standard, the senior civil building design fire protection standard "and" fire emergency lighting provides fire emergency lighting should be provided on the site and the lamp's technical requirements.