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LED explosion-proof light introduction and use environment
Explosion-proof LED light is a type of explosion-proof light. Its principle is the same as that of explosion-proof light, except that the light source is an LED light source. It refers to various specifics adopted to prevent ignition of surrounding explosive mixtures such as explosive gas environment, explosive dust environment, gas gas, etc. Measure lamps.
One of the most important explosion-proof principles of LED explosion-proof lighting fixtures is to limit the temperature of the surface of the enclosure that contacts the explosive gas, explosive dust, the surface of components or electronic components, and to limit the temperature of the electrical contact surface below its minimum ignition temperature or ignition temperature. .
As the LED is a solid-state cold light source, it has the advantages of high electro-optical conversion efficiency, small heat generation, low power consumption, operating voltage is safe and low voltage, long service life, etc. Therefore, high-power white LEDs are explosion-proof lamps, especially portable explosion-proof lamps. A very ideal light source for lamps.
The LED explosion-proof lamp belongs to a kind of electrical equipment used in special industries and mainly solves 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. , which is characterized by:
The luminous body is a high-power LED module, and a wide voltage input driving circuit is arranged between the luminous body and the battery; the wide voltage input driving circuit includes a constant current chip, the constant current chip and the battery constitute a power module, and the LED module is connected to the constant On the current chip, the power module and the LED module are sealed together, and the lamp housing and the lamp housing are ultrasonically welded.
It uses the characteristics of low heat generation LED to achieve intrinsically safe explosion-proof, and the LED light source has a long life; the LED maintains a constant brightness at the end of full charge and discharge; a heat sink is arranged on the lamp housing to effectively dissipate the heat of the LED module. It ensures the stability of use and is applicable to various industries such as coal mines, petroleum, railways, and flood prevention.