20W Solar Street Light

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Q:Solar street lamp, 60 watt LED lamp holder, with large battery: General rules for solar street only a nominal power of 80% is the top configuration, the majority of street are mostly on the market only a nominal 30-40%, do you want to have that class? Intelligent solar LED street lamp in Zhongshan and electrical production, according to the needs of lighting, energy saving, reasonable price.

Q:Is there a place where trees can hold LED solar street lamps?: Solar street lights rely on the top solar panels to install light energy, as long as the tree can not block the top of the solar panel, to ensure that it is full of exposure to the sun, does not affect the work.

Q:How can I get the LED street light?: General LED exports are mostly indoor lighting and display, LED street lamps are relatively small. Export products are to be certified, I do not know where you are going to export, as Japan began in July 1st, lamps began to need PSE certification, and the other is at least 3C certification. Without certification, you can only pay for it. There is no right to import and export, but also to find the mouth agent company, and very troublesome.

Q:How many LED lights are there in the downtown area, W?: 200W, 12 meters high, 4 lanes160W, 10-12 meters high, 3 lanes, 4 lanes120W, 8-10 meters, 3 lanes80W, 6-8 meters, 2 lanes, 3 lanes

Q:Who knows LED street lamp warm white light and positive white light have what difference, how should choose?: Because the light intensity of the human eye light is higher than that of the warm white light, the naked eye will feel that the white light is brighter than the warm white one.

Q:How is the minimum illuminance of LED street lights Emin obtained? How to calculate?: Minimum illumination Emin, if you go to calculate or use lighting software (DIALux) simulation, you can get the minimum illumination Emin, how to simulate this? This is not clear

Q:The design idea of LED intelligent energy-saving street lamp: Smart streetlights, I conceived. But it's out of the industry now.

Q:Does LED street lights save electricity?: The white LED: in 1998, light white LED is only 5 LM / W, in 1999 has reached 15 LM / W, this index is similar to general household incandescent lamps, and in 2000, light efficiency of white LED has reached 25 LM / W, the index and the tungsten halogen lamp is similar. In 2005, the light efficiency of LED was up to 50 lumens / watt. In 2010, the light efficiency of LED reached more than 100 lumens / watt. The working current of white light LED can reach ampere level. Thus, the development of white LED writers using lighting sources, will become possible reality.

Q:Why solar energy centralized power supply street lamp must be supplied by AC LED lamp?: You mean the power supply project, why the solar power is converted to AC, and then used for street lights?

Q:The same brand of chips, how to judge the quality of LED lights?: Should pay attention to the cooling system for street lamp, street lamp cooling system is now divided into three types, one (die-casting aluminum (aluminum), two (three), Qi tablets) but also pay attention to the radiator is enough, there are many manufacturers have 90W heat lamps, used to install 120W to save the cost, so that his cooling system will follow no, my colleagues decay is relatively large

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