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From the Bund to the Donghai Bridge, from the Oriental Pearl to the Wujiaochang egg, a new type of light source called "Light Emitting Diode (LED)", fully demonstrating its special energy-saving talent, replacing neon energy saving 70%, replacing incandescent lamp energy saving 80%, the more The more and more people are favored by the urban landscape lighting field.
The upper and lower spheres of the Oriental Pearl originally used 200W incandescent lamps made in Japan as the light source. After using the LED light source, the power consumption per spot was only 70W. With the modification of the control system and other floodlights, the initial estimate was nearly 75% less than the original. Electricity consumption.
Such a filamentless LED semiconductor illumination is a solid state light source made of a semiconductor chip. It uses electronic movement to illuminate and directly converts electrical energy into light energy. The conversion efficiency is as high as 68%, which is more than 5 times that of incandescent lamps, and its service life is 100 times that of incandescent lamps. It is estimated that if one-third of the country's traditional lighting is replaced by LEDs, the annual power generation of a Three Gorges hydropower station will be saved.
Semiconductor lighting is another iconic leap after Edison invented the light bulb. It is setting off a light source revolution around the world, and the global semiconductor lighting industry is accelerating to seize the commanding heights. In the Outline of the National Medium- and Long-Term Science and Technology Development Plan promulgated by China, “high-efficiency, energy-saving, long-life semiconductor lighting products†has been listed as the first priority theme (industrial energy saving) in the first key area (energy).
As one of the country's five major semiconductor lighting engineering industrialization bases, Shanghai has initially formed a relatively complete LED industry chain, which constitutes a green lighting industry cluster with Jiajiang Hi-Tech Park as the core and Radiation Jiading, Songjiang and Yangpu. As of the end of last year, Shanghai has 105 LED-related patents and has established more than 100 national and industry standards for the optical industry.
The reporter learned from the Shanghai Science and Technology Commission that by 2010, Shanghai's landscape and public lighting will be sung by high-quality new light source LEDs. By then, Shencheng is expected to save 1 billion kilowatt-hours of electricity per year, equivalent to one year in a small and medium-sized city. The total amount of electricity used for lighting.
Today silhouette
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November 12, 2023