Why are the LED explosion

Recent several LED explosion event happened, make people panic, LED lamps and lanterns of explosion problem is not an accident, so why will appear this kind of situation? Is it not because the quality of the LED products? Or because of improper use? After hunan Taiwan news big realistic experiment, we can see that the ordinary light bulb lit will be fever, test of common bulb temperature reached 271 degrees. If at this time, give it a temperature plummeted, sprinkle some water, for example, the light bulb moment. But the LED light because of temperature drop and explosion? A practical experiments LED shoot the light, at the time of shoot the light emitting temperature there is 28. 4 degrees, spraying water for a long time, did not produce explosion. Doubt added at this time, the LED will not like ordinary incandescent lamp explosion due to temperature drop, so, what LED lights because the explosion? Through the national product quality supervision and inspection center of quality inspection personnel to explain, we know that the LED lamp has two parts: one is the LED lamp bead, the other is a driver, we daily use is 220 v alternating current (ac), through the role of the drive, converts 220 v ac 12 v direct current, then the LED lamp is usually there is no danger. Of course, if you are using a process is directly to the 220 v alternating current to the LED lights, that must be the lamp bead blast will happen. Qc told us that LED lights a fire occurs, divided into two categories: one is the lamp bead on fire, 2 it is to drive the power burst into flames experts in demolition of the LED driver power supply situation, do the experiment, we found that the LED lamp moment is punctured. Dr Wang Tianhu says, actually this kind of circumstance is not fire, if the LED lights cause fire explosion, usually because of driving power supply. When bathing, for example, because of damp, causes the driving power supply circuit, that is easy to cause explosion; Another is the inside of the drive components, give the value of the small, the quality not up to par, also may lead to explosion and fire. So advise everybody don't keen on gaining petty advantages in purchase of LED lamps and lanterns, best buy 3 c certification, ISO certification of enterprises, by the national certification of product quality and reliable, after is guaranteed. Such as benchmarking products in guangdong province, the national energy conservation products and so on.
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