Electrical equipment with a flameproof enclosure is called flameproof electrical equipment
The explosion-proof high bay light is equipped with a protection-free nickel-cadmium battery pack, which is actively charged under normal power supply, and the emergency light is automatically lit by accident or power failure; steel pipe wiring; normal lighting and emergency lighting in emergency special lights are independent; , Normal lighting and emergency lighting share one lamp body, and the light source is independent. Before installing the LED ceiling lamp, you should also check: the cross section of the wire core leading to each lamp, the copper core flexible wire is not less than 0.4mm², and the copper core is not less than 0.5mm², otherwise the lead wire is replaced. The connection between the wire and the lamp cap and the connection between the parallel wires between the lamp caps should be firm, which may cause sparks between the wires and the terminals, which will cause risks. Explosion-proof LED lamp is a kind of explosion-proof lamp, its principle is the same as explosion-proof lamp, but the lamp bead is LED lamp bead, which is used to avoid igniting surrounding explosive mixtures such as explosive gas environment, explosive dust environment, gas gas, etc. Various method-specific luminaires. A very important explosion-proof principle of explosion-proof lamps is to limit the temperature of the surface of the shell, the surface of parts or the surface of electronic components that are in contact with explosive gases and explosive dust, and to limit the temperature of the electrical contact surface to be lower than its small ignition temperature or ignition temperature. . Explosion-proof LED lamp manufacturers Because LED is a solid-state cold light source, it has the advantages of high electro-optical conversion efficiency, low heat generation, low power consumption, low operating voltage, and long service life. Therefore, high-power white light LEDs are explosion-proof lamps, especially It is a very ambitious electric light source for portable explosion-proof lamps. LED explosion-proof lamp, belonging to a special industry top-use electrical equipment, mainly deals with lighting problems. It includes a lamp housing, a lamp shade arranged at the front end of the lamp housing, a luminous body and a battery arranged inside the lamp housing, and a switch arranged on the surface of the lamp housing. .
The principle of explosion-proof lighting is based on the concept of explosion-proof and fire-proof type of the European standard EN13463-1:2002 "Non-electrical equipment for explosive atmospheres: basic methods and requirements". An explosion-proof type of flame-borne explosion is a commonly used explosion-proof type. 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. Moreover, many safety-enhanced explosion-proof lighting components, such as lamp sockets, 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 explosion pressure of the internal explosive gas mixture and prevent the internal explosion 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 explosion flame and cool the temperature of the explosion product, reach the flame suspend and cool down, and suppress the expansion of the explosion. A kind of structure. There are ballasts and circulating 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 small temperature rise, no noise, small size, light weight, and power consumption is only 1/3 to 1/4 of that of magnetic ballasts, so customers 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; halogen powder lamp has poor color rendering, low luminosity, and fast light decay. Distinguish between halogen powder and tri-color toner lamps, you can light the two lamps at the same time, and put your hands near the two lamps.
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