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In order to create a green and clean energy lighting environment, Chongqing Rongchang District Municipal Facilities Maintenance Office implemented a major blood exchange for urban street lamps, replacing all the more than 3,000 high-pressure sodium lamps in 77 streets of the old city with long life and high luminous efficiency. Low power LED lights. In the past, the street lights on the Lotus Street Road were not very bright, and the lighting facilities were relatively old. The feeling was always faint and vague. This time, the new street lights have changed a lot, and I feel that I have a more secure walk at night. Liu’s mother, who lives in the Lotus Street in the old city, said happily. It is understood that the road lighting in Rongchang City uses high-pressure sodium lamps. Although it is easy to light, it consumes a lot of energy. Although the relevant departments have actively adopted road lighting energy-saving measures such as adjusting the street lighting time and opening time according to the weather, the consumption of electric energy is still very high. Large, it is particularly important to achieve green lighting on the premise of meeting traffic safety and urban beautification. According to the person in charge of the Rongchang District Municipal Facilities Maintenance Office, since the beginning of 2016, the Rongchang District Municipal Facilities Maintenance Office has started to promote the application of LED street lights. On the one hand, the street lighting and related facilities in Rongchang City were thoroughly investigated. On the one hand, professional technicians were sent to the surrounding counties and districts where LED transformation was carried out to conduct on-the-spot investigation and study to understand the use of LED lights and energy conservation. In order to accurately grasp the relevant reconstruction data, the 22-inch LED street lamp was installed in the Baocheng section to conduct experiments, collect the color temperature and power saving rate of the LED street lamp, and after the full demonstration, the energy-saving retrofit plan for the urban LED street lamp was formulated. According to statistics, a total of 3524 LED street lights in 77 streets including Haishu Avenue, Yuping Road and Xueyuan Road in the old city have been installed and put into use, saving about 30% of electricity costs.