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Five differences between explosion-proof lights and ordinary lights

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Five differences between explosion-proof lights and ordinary lights

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As life gradually enters the high-tech field, different places are no longer the same style of lamps. The existence of LED Explosion proof lamp is a type of lamps used in places where high-risk dust lamps tend to be special. The application range of ordinary lamps is obvious. the difference. Do you know the difference between explosion-proof lights and ordinary lights?


1. Different installation methods


The difference between LED Explosion proof lamp and ordinary lamps is the installation method. The key point of explosion-proof electrical appliances is that they cannot be grounded. Grounding will easily produce sparks. And the power cords are mostly explosion-proof and flame-retardant. Electric shock protection is to prevent the easy-to-touch parts of the explosion-proof lamps from electrifying, causing electric shock to the human body or conductors of different potentials. Touching produces electric sparks and ignites explosive mixtures. The difference in wiring also directly leads to the difference in the scope of use of the two


2. The material of the lampshade is different


The difference between LED Explosion proof lamp and ordinary lamp is that the material of the lampshade is different, but the lampshade is different, and the lamp tube inside is the same. The explosion-proof lampshade is made of high-strength glass and metal mesh, which also determines the difference between the two applications.


Three, the use environment is different


The difference between LED Explosion proof lamp and ordinary lamps lies in the different operating environments. Both explosion-proof lamps and ordinary lamps are lamps, which are used as lighting in production, storage and rescue. This is the common point of explosion-proof lamps and ordinary lamps. In addition to ensuring the safety of general lighting fixtures, the surface temperature of explosion-proof lamps must be lower than the ignition temperature in an explosive environment, no matter in normal operation or when the lamp fails, because of different explosive environments, its dangerous gas or The ignition point of dust is different.


Four, different national standards


Explosion-proof lamps and lanterns should be in accordance with the requirements of national standards, and the explosion-proof mark composed of "Ex + explosion-proof type and explosion-proof grade temperature group should be set on the obvious place of the shell and on the nameplate (see the next chapter for explosion-proof type). The explosion-proof mark includes the use of explosion-proof standards for the product Basic information, such as "ExBT4" should conform to GB3836.2 standard; "ExeT4" should conform to GB3836.3; "Exdebt4" should conform to GB3836.2GB3836.3 standard. At the same time, the nameplate should have the code number of the testing unit and the approved serial number , Also known as the explosion-proof certificate number


Five, the model meaning is different


The types of ordinary lamps are fixed, movable, embedded and so on. However, the "type" in explosion-proof lamps has its specific meaning, it represents an explosion-proof technology, explosion-proof principle or explosion-proof structure. According to the explosion-proof technology or principle of explosion-proof lamps and lanterns, common explosion-proof lamps include explosion-proof type explosion-proof lamps, increased safety type explosion-proof lamps, and a variety of explosion-proof technologies are mixed together called composite type LED Explosion proof lamp . Each type of explosion-proof type has a corresponding According to standard requirements, composite explosion-proof luminaires should meet the requirements of multiple standards at the same time. For example, composite explosion-proof luminaires with the explosion-proof mark Ex de CT3 should meet the GB3836.1, GB3836.2, and GB3836.3 standards.


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