Dongguan Qinshang Optoelectronics Co., Ltd. completed the streetlight renovation project of the Kaicai Hutong in Xicheng District, Beijing in just three days. Recently, the reporter visited the Kaicai Hutong, which installed LED street lights, in order to understand the lighting application effect of LED energy-saving street lamps.
A total of 129 LED energy-saving street lamps were installed in the section of the Caicai Hutong. As night falls, the new four-story streetlights emit bright, soft, pure white light. The 16-meter-wide avenue is particularly bright under the illumination of the streetlights, and the surrounding sidewalks, flowers and trees are clearly distinguishable. A Beijing grandfather happily told reporters that the street lights are so bright, they are playing chess under the street lights, and they don’t have to worry about it anymore. At the same time, the reporter was even more surprised to find that the LED street lights with a distance of about 35 meters away from each other could not see the blind spot on the road. The illumination area between each two street lamps fits perfectly, achieving a true meaning. Slotted butt.
In this regard, Li Xuliang, chairman of Qinshang Optoelectronics, gave a professional explanation for us. He said that we use Tsinghua University's non-imaging secondary optical model similar to the camera imaging principle to apply it to the high-power LED street light system, completely solving the problem of single LED light-emitting point. The light is concentrated and evenly distributed into a rectangular area, and the blind spots are completely eliminated by splicing adjacent rectangular spots, and the utilization efficiency of light energy is much higher than that of the high-pressure sodium lamp.
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