The whole line adopts LED energy-saving lamps, which is more than 60% more energy-efficient than traditional lighting. Yesterday, the reporter learned from the Nanjing Street Lamp Management Office that the Mingcheng wall lighting project Jingmei is energy-saving. At night, the lights are on, the outline of the 14-kilometer city wall is evenly illuminated, and 1200 sets of floodlights and 1000 sets of wall lamps together constitute the main body of the Mingcheng wall lighting project. The person in charge of the technical department of the Nanjing Street Lamp Management Office introduced that at the beginning of the city's start of the Ming City Wall landscape lighting project, how to not only demonstrate the historical and cultural heritage of the Ming City Wall, but also ensure the green energy conservation to the greatest extent, and become the most basic design requirements of the entire project. . To this end, green energy-saving LED lights have become the first choice. According to reports, the traditional lighting power is generally 250W, using LED lamps, to achieve the same brightness as long as 70W, 120W LED lights can achieve the lighting effect of 400W traditional lamps. The person in charge said that the 70W LED lamp and the 250W traditional lamp, the same lighting time, LED lamp energy saving 72. However, because the lighting project also uses some 120W LED lights, the average energy saving is more than 60%. Attentive citizens also found that the lighting time of the Ming City Wall Lighting Project is not the same every day. Generally speaking, the Ming City Wall lighting is fixed to turn on the lights from 7:00 pm, sometimes turning off the lights at zero, sometimes turning off the lights at 11 or even 10 o'clock in advance. In this regard, the reporter learned that the remote automatic control system has developed different lighting schemes for weekdays and holidays. The lighting time for major holidays is 45 hours, and the lighting time for normal days is controlled at 3 hours to avoid waste of resources. The designer responsible for the Mingcheng wall lighting project introduced that the Mingcheng wall lighting project also designed a manual system. When there are bad weather such as heavy rain, when the tourists are less, the management personnel can also manually turn off some of the lights by manual control, or Turn off the lights early. Many places on the wall of the Ming Dynasty are covered by green plants. Under the night, between the walls and the plants, the light and the shadows are between each other. According to a designer at the City Street Light Management Office, the Nanjing City Wall Lighting Project emphasizes the silhouette effect of green plants under the light, and the natural charm is full. In order to highlight the silhouette effect of green plants, the designer considered the position, spacing and brightness of the lamp in advance, and adjusted the position of the lamp in many places according to local conditions to achieve the beautiful effect of light and shadow. This avoids the use of highly polluting, high-powered lighting, and highlights the concept of energy saving.
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