What are the common causes of damage to LED light under normal circumstances?
Because of its energy saving, environmental protection, long life and other characteristics, LED floodlights are now in increasing market demand, but people often cause LED light to no longer "live long" due to improper use in daily life, so it is common for LED floodlights to be damaged. What are the reasons? We tell you the main reasons for the damage of LED light:
1. The power supply voltage suddenly rises and the surge increases.
2. The short circuit of a component or printed line or other wires in the circuit forms a partial short circuit of the LED power supply path, which increases the voltage in this place, and the solder joints are soldered or loose.
3. Some LEDs are damaged due to their own quality reasons and thus form a short circuit, and their original voltage drop is transferred to other LEDs. The internal resistance of the LED changes, and the voltage on the LED is uneven.
4. The temperature in the light is too high, which will deteriorate the characteristics of the LED; the local temperature inside the light rises too fast; the temperature during soldering or tin immersion is too high.
5. Water has entered the interior of the light, and the water is conductive. Hot air builds up in closed light to form water vapor or fog.
6. In the light source test, the light source is quickly turned on and off, and the charge discharge between the electrodes (that is, it fades out when it is turned off).
7. Erosion of plate washing water and ultrasonic nanowave during plate washing.
8. Live operation; all jigs and fixtures do anti-static work; keep the temperature and humidity of the environment.
The common causes of LED light damage caused by the above 8 points are sorted out by the problems encountered by lighting engineers in actual work, and I hope to be helpful to everyone.
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