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Four key point when choose integrate LED solar street lamp

A luminous efficiency:
Mature technology, high power LED light source can meet the general needs of street lamp. General high pressure sodium lamp luminous efficiency 100lm / W, commonly used in high power LED is 50-60LM/W, with foreign best LED chip can achieve 80lm / W, the luminous efficiency is high, which means better energy-saving effect, one of which is the choice of LED street lamp is the most important index. However, this is not the LED standard defined, so in the procurement of LED street lamp must be carefully confirmed.
Two, light:
While some businesses, in order to reduce costs, with hundreds of small power LED 0.5W. However, the small power LED light is very serious, its decline to 80% of the life of only 1000 hours. So, as the need to use for a long time the street is absolutely not allow the adoption of such small power LED, selection of high power LED (generally refers to more than 30W), a lot of the lumen is better.
Three, the weight of the problem:
LED street lamp, due to the high technology content, complex composition and other reasons, some high power weight of the lamp cap will be far more than the ordinary high-pressure sodium lamp, so the corresponding support material requirements is higher. However, some of the LED street lamp manufacturers has as much as possible in the reduction of the weight of the LED lamp, from the original single lamp about 30 kilograms, down to 10 kilograms, reduced weight there is a further decline in the trend.
Four, heat:
Led because it is a semiconductor device, wafer by temperature effects and reduced to 30% of the initial luminous flux, will lose the illuminating significance, is the end of life the, theory on the life of high power LED street lamp in the 3-5 million hours, but the important premise is good heat dissipation. It is worth mentioning that the domestic manufacturers have adopted the world's leading needle cooling technology.
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