Weifang City actively exerts the leading role of the government in building a resource-saving and environment-friendly society, and combines the advantages of local industries to use the newly developed high-efficiency energy-saving and environmentally friendly LED street lamps to promote the application of urban green lighting systems on a large scale.
One night in mid-May, the reporter went to the Weixin High-tech Zone for an interview and found that the road on the road was like driving on a covered light blanket. The light is even, clean and bright, and you can even see the rich color of the green belts on both sides of the road.
The mystery is on the street light. More than 5,400 street lamps in Weifang High-tech Zone are all the world's latest energy-efficient and environmentally-friendly LED street lights.
Cui Zhishao, deputy director of the Weifang Municipal Information Industry Bureau, said that in October 2006, Weifang first used LED street lights on the 7km sightseeing avenue of Beihai Road in the city. It is understood that this is the first time that LEDs have been applied to urban roads for the first time in the world. illumination. At present, a total of 9,800 LED street lights are in service on the streets of Weifang City.
What makes Weifang people proud is that these LED street lights are all owned by Weifang from the chip to the finished product. Its production enterprise, Micro-optical Electronics (Weifang) Co., Ltd., is a provincial-level high-tech enterprise supported by the city. Since the core technology of LED is chip, the technological leading edge of China Micro is on the chip and has become a cost leading advantage. In the first quarter of 2008 alone, Zhongwei sold and installed more than 10,000 LED street lights to customers, making it one of the largest suppliers of LED street lamps in the world.
Night shift taxi driver Wang Lianguang said: In the past, the street lights were dark, there were dark shadows on the road, and they could not see clearly; now the line of sight is very good and safe.
Dongfang Road uses four 130-watt LED lights to retrofit the original four 400-watt high-pressure sodium lamps. The reporter took out the materials that he carried with him, and the smallest words on it were clearly seen. The roadside unit does not even need to open the garden light. The city's comparative measurements show that LED street lights save 69.5% more than metal halide lamps and 73.6% more than high-pressure sodium lamps.
At about 10 o'clock in the evening, we found a pole in the Dongfeng East Street to participate in the measured LED street lights, 3 heads, plus a total of 380 watts of power. Electrician Xiaowu opened the meter box, and the meter showed that it was 111 degrees.
Another metal halide lamp that participated in the comparison test showed that the meter showed 321 degrees in the same period, and used 210 degrees more electricity than the LED street lamp in 32 days.
According to the useful power difference between LED street lamps and traditional street lamps, Zhang Hui, vice president of China Micro-Marketing Center, estimates that the 9800-inch LED street lamps used in Weifang will save more than 24,000 kWh per day. Electricity exceeds 8.9 million degrees. Zhang Hui said that, together with the water saved, the reduction of sulfur dioxide, carbon dioxide and dust, the environmental protection account is far greater than the economic account.
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