Light up the first step in the space of Chinese astronauts. The reporter learned from the Shanghai Institute of Technical Physics of the Chinese Academy of Sciences yesterday that the exit light on the Shenzhou-Yu spacecraft was developed by the institute. It does not look like it has only one A4 paper size, but it is enough to provide the illumination brightness when the astronauts leave the cabin. In addition, the Shenqiqi flying small satellite was also designed by the Shanghai Microsystems of the Chinese Academy of Sciences.
Outboard light first LED
It is understood that in other countries' spacecraft, outboard lighting is generally achieved by metal halide lamps. Although the brightness is high enough, the heat and power are quite high. In this time, China's God Seven, for the first time used LED for cabin lighting. The 24 small LED bulbs are arranged in an arc shape to form the whole of the cabin light. The overall power consumption is only 27 watts. It is only slightly more than the ordinary incandescent lamp. The illumination range can be guaranteed from 160 degrees to 180 degrees. .
Not only that, but the reporter also learned that although the set of Shenqi astronauts outboard lighting system has not yet had a large A4 paper, it effectively controls the heat generation, and at the same time prevents the astronauts from stuning when they are out of the cabin.
Small satellite with the god of seven
In the universe of God, all the movements are recorded, relying on the contribution of flying small satellites. This time, the Shenqiqi flying small satellite was designed by the Shanghai Microsystems of the Chinese Academy of Sciences. This small satellite has two lenses that can capture clear images in the range of 4 meters to 2 kilometers. Small satellites can also store more than 3,000 photos and send them back to the ground at a rate of several megabits per second.
It is understood that this small satellite has a life span of half a year and a diameter of 40 cm. For the first time, the domestic large-capacity lithium-ion battery will be used, and the astronaut will be released after returning from the cabin to the cabin, although photos can be taken. And video observations, but not for live broadcast screens. The astronaut's exit screen will be taken by a camera outside the spacecraft.
After the astronauts return to the cockpit, they will press the button according to the ground command. The small satellite is spring-loaded away from the spacecraft. Because the initial speed is fast, the small satellite is always in front of the spacecraft, and the running posture of Shenqi can be taken from different angles outside the spacecraft. This constant adjustment of the distance between two moving objects is also the basis for future space assembly and docking.
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