Explosion-proof lighting housing with high strength and durability
The principle of explosion-proof type of explosion-proof lighting is based on the concept of explosion-proof and fire-proof type of European standard EN13463-1:2002 "Non-electrical equipment for explosive environments - Part: basic methods and requirements". An explosion-proof type that blocks the transmission of flames is a commonly used type of explosion-proof. Because the shell of this type of explosion-proof lamp is generally made of metal material, it has good heat dissipation, high shell strength and good durability, and is very popular with users. In addition, many parts of increased safety explosion-proof lamps, such as lamp holders, interlock switches, etc., also use explosion-proof structures.
Electrical equipment with flameproof enclosures is called flameproof electrical equipment. Assuming that the explosive gas mixture enters the flameproof enclosure and is ignited, the flameproof enclosure can withstand the burst pressure of the explosive gas mixture inside and prevent the internal blast from propagating to the explosive mixture around the enclosure. This is a kind of vacancy explosion-proof principle, that is, the use of metal vacancies can block the transmission of the blasting flame and cool the temperature of the blasting product, so as to achieve flame cessation and cooling, and a structure designed to suppress the expansion of blasting. There are ballasts and circular lamps. There are two types of ballasts: magnetic ballasts and electronic ballasts. Compared with magnetic ballasts, electronic ballasts can improve the light efficiency of lamps and systems. Lamp life. At the same time, it has low temperature rise, no noise, small size, light weight, and power consumption is only 1/3 to 1/4 of that of magnetic ballasts, so consumers should choose electronic ballast ceiling lamps. The circular lamp of the ceiling lamp has halogen powder and three-base color powder. The three-base color powder lamp has good color rendering, high luminosity and slow light decay; the halogen powder lamp has poor color rendering, low luminosity and fast light decay. Distinguish between halogen powder and three-base toner lamps, you can light the two lamps together, and put your hands near the two lamps.
The light transmittance of PC board is comparable to that of glass. The UV-coated board will not turn yellow, fog, and poor light transmission when exposed to sunlight. Impact resistance: The impact strength of the PC board is 250-300 times that of ordinary glass, 30 times that of acrylic plates of equal thickness, and 2-20 times that of tempered glass. There is no crack when dropped from two meters below a 3kg hammer. Broken Glass" and "Sound Steel". Light weight: The specific gravity is only half that of glass, saving the cost of transportation, handling, installation and support structures. Flame retardant: recognized by the national standard GB50222-95. The ignition point of the PC board is 580 degrees Celsius, and it will self-extinguish after leaving the fire. No toxic gas will be generated when burning, and it will not contribute to the extension of the fire. It refers to the place where flammable gas and dust exist, which can prevent arcs, sparks and high temperatures that may occur inside the lamp from igniting the flammable gas and dust in the surrounding environment, and then reach the explosion-proof lamps. There are mainly explosion-proof explosion-proof lamps, mobile explosion-proof lamps and so on. Explosion-proof platform lights are suitable for lighting in flammable and explosive places such as petrochemical equipment, gas stations, and transfer stations.
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