Lightly Used
2007
LED lights used in several major advantages in low temperature
LED lights used in several major advantages of low temperature
Abstract: The low lighting is the use of artificial light to light, temperature 5 degrees C in C the following places, such as refrigerators, freezers, refrigerators, low temperature plants, outdoor lighting. Fluorescent lighting in the past, mainly low-temperature, low temperature lighting is now LED light source is also in place.
1 What is the low lighting?
The use of artificial lighting is low light to light, temperature 5 degrees C in C the following places, such as refrigerators, freezers, refrigerators, low temperature plants, outdoor lighting. Fluorescent lighting in the past, mainly low temperature, now led light illumination at low temperatures also have a place.
2, fluorescent lighting when used in low-temperature problems
Although fluorescent lamps in conventional room temperature, the luminous efficiency of up to 90lm / W can be considered an efficient light source, but when entering low according to the environment, whether they are light-emitting efficiency, illumination or aesthetic design, have shown more disadvantages. Even though some manufacturers have introduced special low-temperature fluorescent lamps, the luminous efficiency to solve the problem, but still can not take into account the illumination and aesthetic requirements. And the price is very expensive. In the low temperature environment, and even ordinary fluorescent light-emitting efficiency to be halved, and life will be shortened. Even without considering the environment at low temperature under fluorescent uneven illumination problem, we must consider as fluorescent light color and lack of color rendering, because it can not show the best color of goods, can not achieve the purpose of attracting consumers .
3, LED lighting used in several major advantages of low temperature
Compared to CCFL fluorescent lamp cold light source, LED lighting is used in low temperature has a special advantage. One LED if the temperature at minus 40 degrees C environment, will also achieve instant start and do not require special circuitry or programming. Second, the LED luminous efficiency at low temperature is almost not affected and may even be better than the normal temperature environment. Third, the LED is the light source, is small, pointing to the characteristics of light can be arranged in accordance with design requirements of refrigerated cabinets, display and other places. LED can provide sufficient and uniform illumination to better see the goods and labels. Fourth, the LED light color, color temperature, CRI has variability, can be different according to different lighting requirements of goods, select the appropriate LED light source, to achieve the purpose of attracting consumers. Fifth, LED and CCFL power difference before, CCFL first through BUCK DC / DC converter, it will wear out 10% of the electricity, and then through the Inverter has lost 25% of the energy loss, and finally the energy provided to the Fluorescent tube about only 70%. However, through the LED Driver LED can only direct power supply, so that the efficiency of the transformer circuit up to 90%, with great energy-saving advantages.
4, LED lighting's future development prospects of low-temperature
LED lights was first low-temperature and the United States in 2002 GELCORE LRC's LED Lighting Institute for Cooperation and Development low lighting. Currently, the Taiwan Department of light and LED packaging manufacturers billion Lite Division, have introduced low-temperature LED lighting products. 2008, manufacturers have introduced LED on the Preservation of household refrigerators, is very promising. According to incomplete statistics, the world's only refrigerator, refrigerator / freezer shipments each year many hundreds of millions of units, only if each implant 5 High power LED, then calculate the demand in turn is a huge market demand for . As international environmental protection and increasing demands for energy-saving, low temperature LED lighting will estimate the advantages of its larger market share low temperature lighting system.
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