LED lighting on the "Shenzhou eleven" flying road

Jiuquan satellite launch base of dawn on October 17th, the Long March two f remote eleven rockets milliseconds, a flying sky, in the attention of the attention of the astronaut Jing Haipeng and Chen Dong with God eleven manned spaceship into thousands of miles. "Shenzhou" stretches the sun wing, chasing the mid autumn moon night sky two track of heaven palace, will be in two days, "hand" 393 kilometers near the near circular docking track on the "Heaven Palace", in the 510 main research cabin, the soft light shadow of the outside of the cabin, "hand in hand" for 30 days. Spaceship code instruction equipment, hatch balance valve, manual charging and releasing valve, door fast leak detector, external circuit liquid temperature sensor, dashboard, handheld control bar, hand control right bulkhead unit, cabin / outer lighting equipment, integrated display unit, time unit, international rescue indicator... In view of the terminology of this densely specialized instrument and equipment, the reader is visually estimated that it is difficult to "stand up", but this is only incomplete statistics of the equipment developed by the Lanzhou Institute of space technology and Physics (510) to ensure the smooth rendezvous and docking of "God" and the following tasks. The localization rate of hand control equipment and display instruments is close to the rendezvous and docking of 100% God eleven manned spaceship and "Tian Gong two". The astronauts will use the hand control and display instruments such as the coded instruction unit, the integrated display unit, and so on, and a large number of equipment such as the hatch leak detector, the balance valve and the illuminating system. This time, the God eleven coded instruction equipment used a large number of devices in the last two years to replace the imported devices, so that the reliability of the equipment was further improved, and the localization rate of the equipment was close to 100%. In the process of development, 510 researchers in order to verify the rationality of a communication interface protocol software design, design different experiments on the tens of tens of tens of tens of bytes of test, when the test completed and did not appear 1 bits of data errors to determine the feasibility of the design. And examples like this are too numerous to do, and everything is done to prove enough, to eat through the technology, to be reliable and reliable. When the astronaut is bound to the seat in the space suit, the switch instruction board, which is similar to the multi function key "game handle", is used to send hand control instructions to the controlled equipment, and the hand control command can be sent by the hand control right bulkhead unit. The relative distance between the seat and the dashboard exceeds the reach of the astronaut's arm. So the Shenzhou has a telescopic hand-held manipulator equipped for the astronauts, which can be used directly to some switches and buttons on the dashboard. The interior lighting equipment and the rendezvous and docking lighting equipment use the LED light source eleven in the vast cosmic roaming process, which will pass through the earth's shadow area periodically, which will experience a long time of darkness, affecting the smooth completion of the orbit mission. The lighting equipment and rendezvous and docking lighting equipment in the capsule not only provide astronauts with cabin work, life lighting, but also provide camera assisted lighting for the rendezvous and docking of manned spaceship and space laboratory in the shadow area. "In space, if the incandescent lamp and energy saving lamp are used directly in life, it is estimated that it will not be extinguished in a few days. What kind of light is used on the spacecraft? The God eleven spacecraft cabin lighting equipment (near range floodlighting) and rendezvous and docking lighting equipment (far distance lighting) use the LED light source, that is, solid state lighting. Yang Jun, the designer of the 510 product director of the fifth courtyard of the space science and technology group, said the equipment development task. He pointed out that, after the manned spaceship has the cabin lighting equipment and rendezvous and docking lighting equipment, when the spacecraft enters the shadow area of the earth, the astronauts can still correctly interpret the instruments in the cabin, manually operate various switches, and will not be wrong again. The docking and docking of the spaceship and the space laboratory also has a successful guarantee. . The balance valve of the "little goalkeeper" return cabin is located on the return cabin door of the Shenzhou series spacecraft. The front cabin door balance valve is installed in the Shenzhou series and the front cabin door and the target vehicle front door. It is used to balance the pressure between the two hatches and ensure the astronauts' wear. The cabin is safe. The fast leak detector for hatch doors is used to detect the air tightness of the butt face after the door is closed and the docking mechanism is butted. When the cabin door or the docking surface leaks, the pressure change is more rapid and obvious. Using this characteristic, the fast leak detector of the hatch can control the gas pressure acquisition precision in the ten PPA and quickly gives the accurate test results in 8 minutes. The quick leak detector of the front hatch of the Shenzhou eleven orbiting cabin has inherited the two phase design state of the manned vehicle from the "Shenzhou eight", which can be used in a single machine. At present, the door fast leak detector has become the "marking" equipment of the manned space vehicle, providing a solid safety guarantee for the astronaut's cabin activities, and applying the domestic animated film "the little goalman", which is soon to be shown, and the door fast leak detector can be called the "small door god" of the manned spacecraft. 510 Dong Yipeng said that the airship cabin door air tightness detection technology and products have won the whole army and Gansu provincial science and technology awards. In the next few years, on the journey of building space stations in space, the fast leak detector will continue to play the role of the "door god" and escort the manned space flight. In the thermal control system, the external circuit temperature sensor developed by 510 Ding Chengbin et al. Is also a very important "little thing". It is installed on the outer loop of the transport spacecraft, in the non - sealed cabin propulsion module, used to measure the temperature of the fluid circuit and convert the temperature signal to the electrical signal. This feedback signal provides a direct basis for the thermal control system and even the temperature control of the spacecraft, thereby indirectly ensuring a balanced temperature environment in the spacecraft cabin, providing a guarantee for the normal operation of the spacecraft system and the steady and stable operation of the spacecraft system. The flying stove has produced 6 treasures, "Tian Gong two" is the real space laboratory, and the space science and application project to carry out is the most one of the previous missions. After the completion of the rendezvous and docking mission, the astronauts entered among them, and only two experiments were needed for the manual eleven astronauts to take part in the experiment and bring back the sample: the experiment of the space comprehensive material experiment furnace and the higher plant incubator. Among them, the new generation of space experimental payload, known as the "furnace", is the 510 "masterpiece" of the space comprehensive experimental furnace. In the journey to the west, Sun Wukong has been refined by the "Eight Diagrams furnace" by Lao Tai Lao Jun, which makes gold, silver and iron back, and the eyes and eyes. Most of the top equipment in the West Tour (such as gold hoop, nine tooth rake and purple golden bell) came from the Bagua furnace. Now, what are the wonderful uses of the "stove" from the earth? According to Zhang Zhengjun, which is responsible for the project by 510 Aerospace Mechanical and electrical products department, the space comprehensive material experiment furnace is an important means for the preparation of space materials, which is prepared by the heating furnace for the high temperature of semiconductor materials, composite materials and superconducting materials at about 900 degrees C. Because of the space microgravity, ultra high vacuum, ultra clean conditions, the materials prepared will be very uniform. "A semiconductor material made by the United States in its space station is only more than 200 grams per time, but a chip that is cut out with this material is worth a supercomputer!" Therefore, after the preparation of the future space materials, it is very likely to lay a good paving for the "space factory". "Generally speaking, the internal structure of the furnace is like a 'left revolver' and a wire of an electric furnace. The samples within each barrel are about 200 millimeters long and 16 mm thick. " Zhang Zhengjun said that before the "heavenly palace No. two", 6 of the 18 materials selected by scientists were installed in the "furnace" sample management unit, that is, the "gun barrel" of "the revolver". In October 8th, the 6 materials had been prepared. After Jing Haipeng and Chen Dong entered the "Heaven palace No. two", the "stove" would be opened, the 6 materials were taken out, and the second batches of 6 materials were put in. When the astronauts were returned, the second batches of 6 materials were removed, and the last 6 materials were put in. The first two batches of 12 samples will be brought back to the ground by astronauts for scientists to analyze. The third batch of 6 materials as a "space factory" is an exploration, whether to take back is not yet a conclusion.