Although Led Public lighting(CLASSICLEDLIGHT) has gradually moved toward everyone's vision under the development of the market, there are still some problems in the development of LED public lighting. What are the specific problems? The following is a description of the problems that exist in LED public lighting.
One of the problems with LED public lighting: the problem of light distribution, the most common form of LED public lighting is to install the matrix led in the luminaire, almost in a plane installation, this design is not available Good lighting with light. Power-type LEDs are almost always equipped with reflectors (or lenses), which are significantly more efficient than the reflector's reflector efficiency.
LED public lighting still has two problems: heat dissipation. At present, the outer casing of the road lamp is made of aluminum, and the outside of the lamp housing is directly used as a radiator, which can ensure the IP protection level requirement and a large heat dissipation area. In addition, the radiator composed of the lamp housing can be washed by natural wind and rain when there is dust, thus ensuring the continued effectiveness of the radiator operation.
Finally, the problem of the driving power supply for LED public lighting still exists. The requirement of the LED driving circuit is to ensure the characteristics of the constant current output. Because the relative change region of the junction voltage is small when the LED is working in the forward direction, the LED driving current is guaranteed to be constant. Basically, the LED output power is guaranteed to be constant.
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