Expert analysis: China's "Tiangong No. 1" energy-saving lighting

At 21:16 on the evening of September 29th, China’s first target aircraft, "Tiangong No. 1", was successfully launched with the attention of the whole world. With a shocking roar and a gas field that plunged into the sea, it dragged a flame of several tens of meters. Giant tail. The Tiangong No. 1 is full of the Chinese people's dream of the universe. It has risen to the sky, broke through the thick atmosphere, reached its target track, and began its two-year service period. During this time, Tiangong No. 1 will be connected with the subsequent launch of the "Shenzhou 8", "Shenzhou 9" and "Shenzhou 10" spacecraft, and establish the first Chinese space laboratory, which will be a valuable space. The data is transmitted to the Earth and makes an outstanding contribution to China's space business.

In addition to the most advanced space technology in the country and the world, Tiangong No.1 also uses the most advanced solar and LED lighting equipment in lighting, whether it is the astronaut's active cabin or the external aircraft docking light source, and The astronaut's sleeping area also has intelligent lighting that can adjust the light intensity independently. The lighting system of Tiangong No. 1 all uses solar cell windsurfing to provide electricity. This new type of solar cell windsurfing power generates more than 7,000 watts under the sun, and the voltage can reach 100 volts, in addition to meeting the "Tiangong No. 1" target aircraft 3.5 Kilowatts of electricity outside the demand. When the first day of the palace runs into the backlit area (the shaded area of ​​the sun), the new battery in the aircraft is also sufficient to provide the normal operation of the electrician aircraft and various lighting needs.

Experts in the industry analyzed the relevant data and said that Tiangong No. 1 solar cell windsurfing power generation can illuminate more than 80 40-watt incandescent lamps on the ground at the same time. These powers are sufficient for the LED lighting in the Tiangong-1, and the new LED lighting system has better lighting effects, and maintains a high degree of concentrating even in space, ensuring docking between aircraft. The life expectancy is longer than that of the general energy-saving lighting, and the light decay period is longer. It is expected that the illumination intensity of the LED lighting equipment on the aircraft can still be maintained above 90% when the service of the Tiangong No. 1 expires.

It is reported that the Shenzhou series of spacecraft to be launched will also use the same solar and LED lighting system of Tiangong No.1 to complete the space intersection and data docking task with Tiangong No.1.

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