The current development status of street lighting in my country

According to the survey, after 9 o'clock at night in small cities in my country, and after 12 o'clock in the middle of the night in large and medium cities, the roads are almost empty. Even in prosperous cities like Beijing, Shanghai, and Guangzhou, after 2 o'clock in the morning, the roads are rare. Pedestrians, vehicles. From this period until the street lights go out at 6:00 in the morning, it is obviously not necessary to maintain a high level of illumination on a road with low traffic flow. Urban public lighting accounts for 30% of my country's lighting power consumption, about 43.9 billion kWh. Calculated at an average electricity price of 0.65 yuan/kWh, the annual expenditure is 28.5 billion yuan. Today, when municipal expenditures are extremely tight, most cities and regions in China almost invariably adopt the money-saving method of turning off street lights, which was abandoned by Japan and other countries in the 1970s. The drawbacks are self-evident— - Not only does it lead to uneven distribution of road illuminance, burying hidden dangers for public security and traffic safety, but also cannot avoid the increase in grid voltage in the second half of the night, which will reduce the life of street lamps, so it cannot be called energy saving in the true sense. When developed countries are discussing what is the right illuminance level today, our control method is too backward. Since the 1990s, night scene lighting construction has become an important link in the construction of urban municipal facilities, and corresponding achievements have been made in various places, but the general tightness of municipal expenditures and the addition of night scene lighting have formed a great contradiction. Taking an open city along the coast as an example, a large number of street lights were installed due to financial constraints and could not afford the heavy lighting and electricity bills, and nearly half of the lights had to be turned off. Disguised waste. How to make the street lights light up, make the city light up, light up more scientifically, and save electricity and money? Smart light source step-down-voltage-stabilization-dimming technology should be used.