Water Cube: The only Olympic venue with full LED lighting
The night lights of large stadiums are a highlight of the 2008 Beijing Olympics. Among them, the world's largest membrane structure engineering "water cube" is particularly eye-catching. After the night falls, it is like a square crystal palace quietly nestled next to the "Bird's Nest", which exudes the charm of deep blue water. The achievement of this beautiful "water cube" is the LED (light-emitting diode) landscape lighting project.
“LED landscape lighting is the last process of the Water Cube's entire system project. Just like building a house, the house is well structured and needs to be renovated. The last level is to light up the lights. We are studying this work!†China Power Technology Group Thirteen senior engineers Zhu Xiaodong told reporters that they are very proud to be involved in the design and testing of the lighting engineering research team.
At a glance, the "Water Cube"
LED is an emerging semiconductor lighting source with the advantages of energy saving and environmental protection. In the case of similar color effects, LED lighting is at least 60% more energy efficient than fluorescent lamps, and contains no mercury, no waste, and no ultraviolet light.
“Water Cube†is the only Olympic venue in landscape lighting that uses LED lighting. In order to fully embody the concept of "humanistic Olympics, high-tech Olympics, and green Olympics", we will show the world the level of China's technology in this field. In August 2006, the Ministry of Science and Technology selected 4 experts to inspect all the Olympic venues in China. Which one is best for LED lighting. Zhu Xiaodong is one of them.
When standing in front of the water cube of the steel frame, Zhu Xiaodong and three other experts took a look at the Water Cube with a professional eye and years of practical experience. “It is the most suitable lighting carrier for LED performance.†Because it has the most special architectural structure – the world's largest membrane structure, it is a world in conception and styling, and requires a very special artistic expression. In order to achieve the artistic effect that is both dreamy and exquisite.
LED itself is a high-tech, and it is still in large-scale experiments, and there is not enough experience to learn from. Zhu Xiaodong said: "It is rare to build such a large-scale membrane building abroad, and even the world's largest stadium has not dared to get involved in large-scale application of LED landscape lighting."
In response to this project, the state issued the 863 program major scientific research project "National Swimming Center Semiconductor Lighting Scale System Integration Technology Research", thirteen as the deputy head of the research group, presided over the two sub-projects of LED light source and lighting, reliability research, Participated in the study of two sub-topics of landscape lighting technology and lighting control system.
After many demonstrations, it overcomes one of the technical problems in the field of architectural landscape lighting, high-power LED application and LED distributed control. The research team finally decided to adopt the light-transmitting illumination method in the cavity. Each of the bubbles is equipped with LED lights, and the light beams are redistributed and arranged without affecting the overall luminous flux of the lamps through custom-developed primary and secondary optical lenses.
In conjunction with the occasions of different celebration events, seasonal transitions and on-site interaction requirements, the “Water Cube†can present different “expressions†– different brightness and different colors. Dynamic water waves can also be transformed from a sea-blue theme to other color systems, just as seawater reflects different shades of skylight over time. In the evening, this blue water molecule building will echo the "smart" national sports mocking bird nest in the east. Zhu Xiaodong revealed that it can also present a picture of the goldfish playing in the water.
“It is a challenging subject to use LED landscape lighting for membrane structure buildings. This unprecedented architectural lighting engineering practice has made the largest landscape lighting project for semiconductor lighting units worldwide.†Zhu Xiaodong said that LEDs are unique. The performance provides a strong technical foundation for the water cube lighting, which makes the artistic expression of lighting enter a new stage, and also opens up a vast space for its own development.
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