Solar Energy and LED Help China's Tiangong I Energy-saving Lighting

At 21:16 p.m. on September 29, China's first target spacecraft, Tiangong 1, successfully lifted off under the attention of the whole world, carrying a tens of meters of flames with a shocking roar and an overwhelming gas field. Giant tail. The Tiangong 1 was loaded with the dream of the universe of the global Chinese. It rose to the sky, broke through the thick atmosphere and reached its target orbit. It began its service period of two years. During this period of time, Tiangong-1 will be connected with the subsequent launches of the Shenzhou-8, Shenzhou-9, and Shenzhou-10 spacecrafts, and the first Chinese space laboratory will be established to provide valuable space for the universe. The data was transmitted to the earth and made an outstanding contribution to China’s aerospace business.

In addition to bringing together the most advanced space technologies in the country and even in the world, Tiangong 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's docking light source. The astronaut's sleeping area also has smart lighting devices that can adjust light intensity autonomously. Tiangong No. 1 lighting system uses solar panels to provide power, this new type of solar panel windsurfing power generation in the sun more than 7,000 watts, voltage can reach 100 volts, in addition to meet the "Tiangong 1" target aircraft 3.5 Kilowatts outside the electricity demand. When the Sun Palace 1 is running into the backlit area (ie, the shaded area of ​​the sun), the new type of battery installed in the aircraft is also sufficient to provide normal operation of the electric vehicle and various lighting needs.

It is understood that Tiangong No. 1 solar battery power generation can simultaneously light up more than 80 40-watt incandescent lamps on the ground. These powers are fully enough for the LED lighting in the Tiangong-1, and the new LED lighting system has better lighting effect and can maintain a high concentration of light in the space to ensure the docking between aircraft. The lifespan is longer than the average energy-saving lamp, and the light-decaying period is longer. It is expected that when the Tiangong-1 service expires, the illumination intensity of the LED lighting equipment on the aircraft can still maintain over 90%.

It is reported that China's upcoming launch of the Chinese spacecraft will also use the same solar and LED lighting system as Tiangong-1 to complete the space rendezvous and data-matching tasks with Tiangong-1.

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