At the Panama World Expo in 1915, Chinese Moutai, which went overseas to participate in the exhibition, "fallen into a name." The shredded wine attracted visitors, letting people know that this is a Chinese characteristic, and thus became a famous national wine brand at home and abroad. The World Expo was first called the World Expo, which is a concentrated display of many countries. What is displayed? On the one hand, culture, on the other hand, technology.
In the early days of the Expo, everyone showed more items, but this time the Shanghai World Expo will show more people's thinking about the future, including energy crisis, climate issues, sustainable development and so on. From the chips in the Expo tickets to the new energy representative solar energy and energy-saving star LEDs, the application of various semiconductor technologies makes the author feel familiar.
The China Pavilion, which is the "Oriental Crown" of the World Expo, has a panoramic view of the core area of ​​the Expo Park. As a clean energy source, solar energy instead of traditional energy sources will greatly reduce pollution and greenhouse gas emissions. The China Pavilion of this World Expo uses solar energy as a green energy source with a solar installed capacity of 302 kW. According to the architectural design features of the National Pavilion, monocrystalline silicon solar modules are laid on a 68-meter-high platform and a 60-meter viewing platform.
The blue part of the theme pavilion is also a solar module with a paved area of ​​26,000 square meters. The total installed capacity of the photovoltaic power station is 2825kwp, which will become the largest solar photovoltaic building integrated power station in Asia. The solar panel area is up to 3 More than 10,000 square meters, the annual power generation exceeds 2.8 million degrees, which is the annual electricity consumption of nearly 5,000 ordinary households. The total installed capacity of solar energy in the entire Expo Park can reach 4,700 kilowatts.
The Belgian-EU Pavilion PV module roof project is constructed by Changzhou Trina Solar. The roof contains approximately 690 Trina high-quality components covering a roof area of ​​1,200 square meters. It is expected to generate 116,000 kWh of electricity and save coal per year. 39 tons, reducing carbon emissions by 87 tons. In addition to traditional diamonds, chocolates, etc., the Belgian pavilion also displays solar car models, and the beautiful flower curtain wall also relies on solar energy to drive the rotation of flowers.
The 17-meter-high translucent curtain outside the Swiss Pavilion is adorned with 10,000 red "small suns", each of which is a disc-sized red light-sensitive device that utilizes state-of-the-art solar power technology. Through the mutual cooperation of solar cells, light sensors, LEDs, etc., according to the angle and intensity of the incident light, the light energy is absorbed and stored into electric energy, which can be independently illuminated and interact with the curtain of the exhibition hall.
From the Beijing Olympics to the National Day celebrations to the Shanghai World Expo, the application of LEDs has become more extensive and creative with the development of its technology. The Shanghai World Expo has become an integrated platform for LED's latest technology. The opening stage is dominated by a huge LED display wall. The main stand screen consists of 9 layered and detached LED screens with a pitch of 6 mm. The total pixel value is 9696×1056 and the area is nearly 372 square meters.
As a new type of solid-state light source, LED has the characteristics of small size, low power consumption, long life, fast response and high reliability. It has been recognized as an important energy-saving and environmentally-friendly lighting material in the world. Compared with traditional lighting technology, one of the most important advantages of LED is that it is more energy efficient. Although some LED technologies have been adopted at the Hannover World Expo in Germany in 2000 and the Aichi Expo in Japan in 2005, the scope and scale of application are very limited. With the rapid development of LED technology in recent years, the Shanghai World Expo Park has applied LED technology for a large scale for the first time. At 7 o'clock every night, 1.03 billion LED chips will light up the Expo Park together. As the world's first large-scale LED integration application case, Shanghai World Expo will show the world the possibilities of LED lighting in the future.
The China Pavilion illuminates the red main structure with high color rendering LED floodlights, making it especially attractive for Chinese infrared clothing; the Expo Cultural Center with a flying saucer illuminates the circular window through LED linear floodlights. The side wall and the inner wall produce the effect of internal light transmission, creating a sense of the future of space visitors, emitting a full of vitality; the north and south facades of the Expo theme pavilion are projected by full-color LED linear floodlights, forming the spatial rhythm of the facade light. Sense, the ecological green wall uses randomly arranged full-color LED decorative lamps embedded in the swaying plants, reflecting the interaction between the Expo and nature.
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