"Dark during the day does not understand the night" Urban lighting is accused of extravagance and waste

As a very important infrastructure of a city, urban lighting is now in a stage of relatively rapid urban development in China, and the promotion and attention of urban lighting is very great. However, the current status of the city is simply to light up, and the waste of extravagance is no less than the waste of building materials. How to go from "simple to light up" to "scientifically light up" is a question worth pondering.

On October 16, hosted by Guangzhou Guangya Frankfurt Exhibition Co., Ltd. and undertaken by Aladdin Lighting Network, "The Fifth Light and Shadow Space Six-Party International Summit • Guangzhou Station" and "Aladdin Magic Lamp National Promotion Campaign • Guangzhou Station", China Guo Wenjun, director and chief engineer of the Lighting Planning Office of the Urban Planning Institute of the Urban Construction Research Institute, emphasized that "lighting should be people-oriented."

Urban lighting should be explained from the perspective of humanities

Urban lighting actually combines the control and development of the environment, not only the effect of saving energy, but also not to "bright" and "bright", more often need to start from the reality, from the city's humanities to elaborate. "I am talking about these points that should be paid attention to in urban lighting design, such as the analysis of the image and characteristics of the space, one is the analysis of the urban environmental characteristics, and the other is the analysis of the urban landscape architecture. The analysis of the urban environmental characteristics is mainly from Analyze the morphological pattern of the city from the perspective of the natural and artificial environment of the city to ensure the topography and layout of the city. Each city has its own unique historical and cultural atmosphere. "Guo Wenjun explained.

"I have planned eleven cities in these eleven years, such as Dalian, Taiyuan, Yuncheng, Xiangfan, Wuxi, and Suzhou, which are cities with more cultural characteristics and historical and cultural heritage. The plan clearly pointed out the promotion and application of green lighting in the city. In fact, my more job responsibility is to make lighting plans for the overall city according to these two documents. It involves a lot of science and technology to control lighting. We generally The entire functional lighting will be divided into industrial lighting and landscape lighting. A very important foundation for doing this is that everything must be talked about with data. When we do the overall planning of urban space, we will use different light colors, different colors or Different illuminance and brightness are used for zoning. Our residential areas use relatively high colors, which will definitely affect one's living environment. "Guo Wenjun said.

As the saying goes, "Hundred-year history sees Shanghai, thousand-year history sees Beijing, and ten-year history sees Shanxi". The history is divided by region. In lighting design, it will be divided into first-level brightness area, second-level brightness area and third-level brightness area according to brightness . Guo Wenjun said that when participating in the Dalian landscape lighting project, the core area, commercial area, and landscape area of ​​the city are designated as "first-level brightness areas", and residential areas, industrial areas, and cultural and educational areas are designated as "second-level brightness areas." . "In fact, from the perspective of the entire city, we can distinguish the style of a city by its light color and brightness, and it is the same abroad. For example, to the place where the city is brightly lit, we know where to go, which is equivalent to our building landscape interior, When it comes to space, there is also a distinction between light background and luminosity level. "He said that the difference in the color temperature and hue of lighting in different cities and different functional areas of the city is also an important aspect.

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