Overpass lighting design for urban night lighting

Overpasses are generally composed of bridge piers, bridge bodies, and bridge railings. Landscape lighting should be based on the characteristics of the bridge, using the appropriate light source and lighting, to choose the best angle of illumination, can make the theme of the overpass more fully reflected. Different bridge components require different expression techniques.

Bridge guardrail

The guardrail is usually a place that needs to be rendered by light, which can show the appearance of the entire overpass, which is of great significance to the overall display of the overpass. There are two ways to use it: one is to draw the outline of the guardrail with a continuous line-like illuminator; the other is to install a point light source at intervals, which can outline the outline of the guardrail. Gives a lively feeling.

When a point light source is used as the guardrail decoration, the light source used is generally an LED light source. There are a variety of light sources, such as fiber optics, cold cathode tubes, fluorescent tubes or LED (light emitting diode) sources. These kinds of light sources are used in actual engineering.

When the linear illuminator is used to decorate the guardrail on the bridge, there are many forms of expression. For example, you can use a single color (red or yellow, etc.), or you can use phase-to-phase color (such as red and yellow), or use a computer controller to achieve fixed flashing, random flickering, alternating flashing, chasing and other flow color changes. The form makes the entire bridge area dynamic.

Bridge guardrail

The main body of the bridge is the most important part of the bridge. It is the soul of the bridge, so it must be expressed by light. The biggest feature of the bridge is that it forms a sharp contrast with the upper railing and the lower bridge. The lighting performance of this virtual and real contrast is the positioning of the side lighting effect of the bridge and the design of the entire bridge facade. aims. Bridge sidewall lighting has a variety of lighting options, and now there are basically two methods commonly used: one method is floodlighting, which allows the entire bridge sidewall to be fully illuminated by the light, from a distance It is very spectacular to go up; another way is to install the illuminator with the side wall of the bridge, and the carrier of the side wall of the bridge is used to highlight the beauty of the lamp, and the lamp is the main body. When using the floodlighting scheme, the power consumption is large. During the daytime, the lamps are in a very obvious position, and the appearance is poor. At night, all the whole body of the bridge body is illuminated without any layering and lack of expressiveness. Nowadays, landscape lighting pays more and more attention to its artistic effect. The performance of bridge landscape lighting is not limited to spotlights . The landscape lighting of the side wall of Zhongshan Gate overpass is a kind of linear floodlight. The light source is ordinary. The fluorescent tubes and lamps are installed on the side wall of the bridge, which is relatively concealed and does not affect the landscape during the day. The night scenery is also good.

Bridge column

The bridge column is the closest component to the human body and it is the main carrier of the landscape at the bottom of the overpass. Whether traveling along the side auxiliary road of the bridge or passing under the bridge, the bridge pillars of the overpass are not negligible in the design of the lighting landscape. In the performance of the night features of the column, the floodlight is generally used - the golden halogen light source, showing the majestic and solid strength of the bridge, and also shows its distinctive characteristics. Used as a large-area floodlight, metal halide lamp is a better light source. Because of its good color rendering and high color temperature, it can get the ideal color by adding filters of various colors to its light source.

Most of the beautiful bridges in the world use the way of lighting the bridge to show the beauty of its structure. The overpass is no exception. When illuminating the bridge, it expresses the smoothness of the main structure and the structural mechanics. The main method is to select the LED color-changing wall washer for continuous bridge body rendering, to outline the beautiful curve and majestic momentum of the bridge, to highlight the continuity of the bridge structure and performance road, and to make it a beautiful landscape that constitutes the night landscape of the city. .

There are many forms of overpasses from one to the other, which inevitably take up a lot of land in the city. This land is the place where urban parks should be used, and sometimes people's activities are introduced. Therefore, the lighting of people's activities is another important factor. “Spring Words and Colorful Craft Lights” are tailor-made for the Lashan Overpass. They not only take into account the viewing angles of people and vehicles on the bridge, but also take into account the viewing angles of people and vehicles under the bridge, which together form a nightscape with rhythmic bridge structure. .

"Spring word colorful craft lamp": It adopts advanced LED lamp and T5 type energy-saving lamp. It has seven kinds of variable colors, fully utilizes the flexible control mode of intelligent control system, and exerts the controllability characteristics of LED light source, which is convenient for management and effective. Save energy.

New technology applications:

The program actively adopts new technologies, new materials, new processes and new equipment. Reduce the construction cost, shorten the construction period accordingly, combined with our company's rich experience and advantages, using high protection level, easy to install, easy to maintain, energy-saving and safe, anti-theft, light pollution can be prioritized to reduce light pollution. Implement centralized monitoring and time-sharing control modes for urban landscape lighting, and strive to reduce power consumption. It adopts the control method of light control, time control and several controls.