The LEDs used for LED explosion-proof lamps should meet the specifications of laser class I
Explosion-proof lighting is compared with ordinary lamps in that the light source of the backlight is different. Explosion-proof LED lamps have been tested many times and it has been found that the life of explosion-proof lighting is much longer than that of ordinary fluorescent tubes. The brightness of explosion-proof lighting is also relatively uniform, but the price of explosion-proof lighting on the market More expensive than similar products. Explosion-proof lighting has the characteristics of rich and beautiful colors. Because three primary color LED backlights can be used, the color temperature can be effectively controlled, so as to obtain more vivid colors and a wider color gamut. The working principle of explosion-proof lighting is to heat the lamp filament through the ballast, so that the electrons collide with the argon atoms and inelastically collide. After the argon atoms collide, they obtain energy and then hit the mercury atoms. nm ultraviolet rays, the principle of ultraviolet excitation of phosphors to emit light achieves the effect of energy saving.
What is the significance of the existence of explosion-proof LED lights? The existence of explosion-proof LED lights is to make the enterprises that need them more complete and more energy-efficient in the production of lighting. One of them is complete, and every enterprise is fully produced. Every day I tell the workers that they must pay attention to safety, but The majority of business owners, is your infrastructure complete?
The following introduces the basic functions of several LEDs: Brightness LEDs have different brightness and different prices. The LEDs used for LED explosion-proof lamps should meet the laser class I specification. Antistatic ability LEDs with strong antistatic ability have long life and high price. Generally, LEDs with antistatic greater than 700V can be used for LED lighting. LEDs with the same wavelength require the same color, and the price is high. It is difficult for a manufacturer without an LED spectrophotometer to produce a product with pure color. Leakage current LED is a one-way conductive luminous body. If there is a reverse current, it is called leakage current. LEDs with large leakage current have short lifespan, low price and no guarantee. LEDs with different light-emitting viewpoints have different light-emitting viewpoints. Special luminous viewpoint, higher price. Such as the full diffusion angle, the price is higher.
How to strengthen the heat dissipation function of LED explosion-proof lamps and the advantages of explosion-proof lighting compared with ordinary lighting. Silver and copper are good thermal conductivity materials, followed by gold and aluminum, but gold and silver are too expensive, so at present, heat sinks are mainly made of aluminum and copper. In comparison, copper and aluminum alloys have their own advantages and disadvantages: copper has good thermal conductivity, but it is more expensive, difficult to process, heavy, and the heat capacity of copper radiators is small and easy to oxidize. . On the other hand, pure aluminum is too soft to be used directly. Only aluminum alloys are used to provide sufficient hardness. The advantages of aluminum alloys are low price and light weight, but their thermal conductivity is much worse than copper.
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