Problems :
Properly handle the heat problem , did not deal with heat issues will affect the LED life .
DC current LED drivers are used , and therefore required between the mains and the LED plus a power adapter that LED drive power. Its function is to convert AC power into the appropriate DC LED . According to the rules of the electricity grid and LED driving characteristics required in the selection and design of LED drive power to take into account the following points:
1 high reliability
Especially as the drive power LED lights , installed at high altitude , convenient maintenance , maintenance cost is also large.
2 high-efficiency
LED energy-saving products, drive power efficiency is higher. For power installed in the fixture structure is particularly important. Because the LED luminous efficiency increases as temperature decreases LED , the LED of the cooling is very important . Power , high efficiency, its power consumption is small, the heat in the fixture is small , it reduces the temperature rise of the lamp . On delaying the LED light decline favorable .
3 high power factor
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