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(1) factory lighting must meet the needs of production and inspection, plant lighting system is usually divided into two categories: height of 15 meters above the tall plant, generally using a gas discharge lamp as the light source, using a narrow beam of the lamp is mounted on a roof truss bottom chords . Walls and column can be set Spotlights, a combination of both in order to ensure the necessary work surface illumination. General plant can be used as the main fluorescent lamps, luminaires are arranged perpendicular to the beam can also be parallel with the beam.
(2) Select Lighting should follow the following principles:
① should consider convenient maintenance and safe use.
② explosive gas or dust within the plant should be used in dust-proof, water-proof or explosion-proof lighting, control switch should be installed in the same place, needs to be filled in the same spaces should be used for explosion
Switch.
③ damp indoor and outdoor spaces, should be used with crystalline water outlet fixture or closed mouth open with a waterproof lamps.
④ hot, dusty places should adopt Spotlights.
⑤ corrosive gases and special wet room, should be sealed lamps, lamp parts should be treated with preservatives, switching equipment protection devices should be added.
⑥ dusty interior, according to the emission of dust and its properties should be used in totally enclosed fixtures.
⑦ lamps may be subjected to mechanical damage within the plant, should be used to protect networks lamps; vibration place (if any forging Chung, air compressors, overhead cranes location), should be used with shock
Means lamps.
⑧ in sealed fixture and greater than 150 watt bulb, shall adopt bakelite lamp holder, porcelain lamp holder should be used instead. |