Hong Kong-Zhuhai-Macao Bridge lighting technology decryption across the board
On the morning of October 23, the opening ceremony of the Hong Kong-Zhuhai-Macao Bridge was held in Zhuhai, Guangdong. President Xi attended the ceremony and announced the official opening of the bridge. The Hong Kong-Zhuhai-Macao Bridge spans the ocean, connects Hong Kong to the east, and connects Zhuhai and Macau to the west. It has a total length of about 55 kilometers. It is the first large-scale cross-sea traffic project jointly built by Guangdong, Hong Kong, and Macao.
The Hong Kong-Zhuhai-Macao Bridge is the longest-running bridge in the history of world architecture, with the most investment, the most difficult and most extended construction. During the development of the bridge, scientists and engineers created more than 400 new patents and 7 of the world's best. It was named one of the “New Seven Wonders of the World” by the Guardian, in which lighting technology plays a vital role.
Hong Kong-Zhuhai-Macao Bridge full-bridge night lighting is divided into two parts: functional lighting and decorative lighting of the main bridge. The night view design of the whole bridge pays attention to the rhythm of the undulating rhythm. The rolling and undulating like a beautiful bead chain is set on the sea. The three navigational bridges are like “pearls.”
Landscape Lighting
As the main landscape area, there are seven bridge towers in the main landscape area. Each tower is equipped with dozens of color-changing LED floodlights around the tower. The narrow beam projection is used to brighten the facade of the central tower, which highlights the tower. The strength of the body is straight, but it does not lose the soft and changeable posture; the night vision of the cable-stayed cable uses a narrow beam of color-changing LED floodlights to track and illuminate each wire, not only to outline the shape, but also to show the pull. The strength of the tension is like the rhythm of the strings.
The night light of the bridge adopts the daily and holiday dual mode. The regular method returns to the original, and the white color is the primary color of the bridge. On the holidays, the color changing effect is realized by the color changing the LED lamp. The night lighting control adopts the RS485 bus intelligent lighting control system, which combines remote centralized control, automatic control, and manual control. It can adjust the first time and section as needed, and effectively monitor the color conversion of lights and the status of lamps.
Functional lighting
The LED street lights, LED tunnel lights, LED landscape lights, LED maintenance lights and LED variable information boards used by the Hong Kong-Zhuhai-Macao Bridge are tailor-made by Shanghai Sansi, with a total of nearly 30,000 sets (sets). This is domestic. There are only a few landmark projects in the global road and bridge lighting volume. Among them, many unique, innovative technologies of ceramic heat dissipation technology and reflective light-emitting technology have been applied to the LED lighting products of the bridge.
Among them, the black technology LED ceramic modular street lamp is the main lighting fixture of the main bridge project of the bridge. After the installation, it will become the dark eye of the world's longest sea-crossing bridge, lighting up.
LED ceramic modular street lamps are born out of the national "863" project results, using independent patented high-power LED lighting unit, standard module with unique lens design, ceramic heat dissipation material with honeycomb convection cooling technology, LED street lamp life and maintenance efficiency With qualitative improvement and leap, it is called black technology in street lamps.
Reflective illuminating technology is also the research result of the critical projects of the National 863 Program and has patented technology with independent intellectual property rights. The Lambert body light distribution and three-dimensional reflection cavity design further improve the reflection efficiency and uniformity and comfort of the light. Seeing no light, no light, no glare, and enhancing safety for tunnels.
Also, pioneering design and applications have been made for other uses:
1, curved design
There is a lot of salt spray on the sea, and a strong typhoon often patronizes. The curved design not only reduces the accumulation of salt spray and dust into the damaged parts of the lamp body but also increases the windproof rating and can withstand 16 typhoons.
2, steel lock tongue
To further improve the anti-salt, anti-ultraviolet, and high-low temperature grades of the information board, some new technologies, and new materials were used, and only the bolts were used to customize the steel-type products for the bridge.
3, cancel the hole to ensure heat dissipation
There is no opening at the top of the LED street light. Under the premise of using ceramic heat dissipation technology to dissipate heat fully, the top opportunity is removed, and salt water vapor intrusion is prevented, and the reliability of the LED street lamp is improved.
4, lens customization
Under the condition of uniform illumination, the brightness uniformity is improved as much as possible, and the zebra crossing effect is eliminated.
5, anti-corrosion coating
Enhanced anti-corrosion coating, more durable, and attentive attention to detail.
6, the system
The brightness requirement of the lamps is adjusted from 0 to 100%, which is more energy-saving and environmentally friendly. The night scene lighting combines remote centralized control, automatic control, and manual control. The opening time and section can be adjusted as needed, and the color of the light and the status of the light can be effectively monitored.
7, high power factor
The power factor of street lights and tunnel lights is more significant than 0.98, reducing grid load.
8, single light control
Build a data processing and visualization platform to monitor the operation status of each luminaire accurately, automatically report faults, and be efficient and convenient.