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Visit the support group for astronauts' extravehicular activities: guide them to take every step in space
2021-08-26 04:50:43 【Beijing daily client】
In the live broadcast of the extravehicular activities of the astronauts of Shenzhou 12 , The commander of Shuguang post provides support to the astronauts in orbit all the way , And by his side , It is a row of post personnel dressed in blue or white test clothes , They stared at the astronauts' every move , Monitoring various indicators , Ensure the safety and smoothness of astronauts in space . They all belong to the out of cabin activity support group , They paid a lot of effort for the smooth implementation of the out of cabin activities .
CCTV reporter Lao Chunyan ： I am now in the astronaut and space application support Hall of Beijing flight control center , This place is also the time for astronauts to perform extravehicular missions , A command center on the ground . Now the Shenzhou 12 crew is still performing the task of getting out of the cabin , What we heard just now was the astronauts and ground commanders of Shenzhou 12 “ dawn ” A conversation between . For China's manned space industry ,“ dawn ” Has a special meaning , The name of our country's first manned space program is “ Dawn one ” engineering , Now, now “ dawn ” It is also the code name of the astronaut system . Today, “ dawn ” It's also the code for special command of out of cabin activities , During the astronauts' extravehicular activities ,“ dawn ” To guide him every step in space .
The extravehicular mission of astronauts is supported by the extravehicular activity support group and puts forward decision-making opinions . From the astronauts entering the node module and closing the two-way pressure cabin door to the implementation of the extravehicular activities, and then to the extravehicular service opening the two-way pressure cabin door , The whole process is by “ dawn ” command .
CCTV reporter Lao Chunyan ： The password was issued by one person , But in fact “ dawn ” Represents a cross system 、 Cross departmental outbound activity support group , It covers the astronaut system 、 Space station system and measurement and control system . So today's astronauts, they've been here since this morning 3 I got up at half past ten and started working , And on the ground, in this astronaut support Hall , We saw the special team for extravehicular activities. They also came from 3 Work at half past ten in synchronization with the sky .
Around six forty in the morning , The astronauts entered the extravehicular spacesuit . After checking the air tightness , The node cabin begins to relieve pressure in three steps , here , The on-site environmental control and life insurance experts must carry out precise regulation .
Overall director of environmental control and life insurance and regenerative life insurance of China Astronaut Research and Training Center Yang Runze ： For gas recovery , The balance of the two sections is required . This is actually a bit like the Olympic champion shooting , Although the target looks big , However, the controlled oxygen partial pressure and carbon dioxide partial pressure are relatively small , To meet our requirements .
There are strict specifications for every step of out of cabin activities , The action guide is the operation manual for out of cabin activities , Altogether 8 book 800 Incoming page , Only the extravehicular activity section volume , There are more than 100 steps . After the first outbound activity , It was revised in time .
Assistant researcher of the general office of China Astronaut Research and training center Members of the professional support team for outbound activities Li Zhen ： According to the last time I got out of the cabin , We also learned from the experience of the last time out of the cabin , Then the manual is optimized, including the operation method and operation process , We have made some improvements and adjustments to some operation contents , Today's outbound activities have also proved that these improvements and adjustments are still very effective .
In space, , Extravehicular spacesuit is like body armor , It is the life guarantee of astronauts . Before performing out of cabin activities , The support post of the extravehicular service conducted a survey of the extravehicular service and its onboard equipment 24 Hour test , Make sure it's functioning properly .
CCTV reporter Lao Chunyan ： When is the most nervous ？
Associate researcher of spacesuit Research Office of China Astronaut Research and training center Chief designer of extravehicular services Liao qianfang ： Ever since he was ready to wear clothes , Our emotions have always been tense , Including the state preparation of previous clothes is the same . We're most nervous when we wear it , Because close the backpack door and start , The life safety of astronauts is handed over to the equipment of extravehicular service .
CCTV reporter Lao Chunyan ： In the post of extravehicular service system, I saw several researchers have been calculating , Because our extravehicular spacesuit is designed for 7 Add 1 Hours , But how long can it last in the extravehicular activities 、 For how long , This is to be calculated according to the actual situation .
CCTV reporter Lao Chunyan ： I think you've been calculating , What is it ？
Associate researcher of spacesuit Research Office of China Astronaut Research and training center Chief designer of extravehicular services Liao qianfang ： Because in the whole process , We should first pay close attention to its more important parameters , For example, the parameters of clothing pressure , There are also parameters such as battery voltage . We calculate these parameters , Then calculate the astronaut's metabolism during the whole operation , Through metabolism, combined with the resources of our consumables , To estimate clothing support , The remaining resources can support a capability of subsequent outbound activities .
CCTV reporter Lao Chunyan ： In the astronaut support hall, we found another “ Dr. dawn ” post , Because the astronauts breathe during the extravehicular activities 、 heartbeat 、 Body temperature needs to be monitored in real time .
Director of astronaut medical supervision and medical insurance office of China astronaut scientific research and Training Center Xu Chong ： Today, the whole process of getting out of the cabin is real-time medical supervision , It's his ECG 、 heart rate 、 The whole respiratory rate and other basic physiological parameters will be transmitted down in real time .
CCTV reporter Lao Chunyan ： Today, from the whole situation, how are their physical performance ？
Director of astronaut medical supervision and medical insurance office of China astronaut scientific research and Training Center Xu Chong ： They are doing very well , This is the second time our space station mission has been out of the cabin , The whole cooperation between their brothers is perfect , The whole movement is very smooth , The expected purpose of the whole outbound activity has been achieved .
The mission of the space station's outbound activities is complex and difficult , Not only need to have full and careful planning and preparation in advance , In case of problems in implementation, timely decision-making and response are also required .
Chief designer of astronaut system Researcher of China astronaut Center Huang Weifen ： During today's out of cabin activities, generally speaking , I think I'm still calm , But it's also possible when you're nervous , That is, the astronauts will install foot limiters later 、 During these operations on the console , Because in weightlessness , It is very difficult for astronauts to complete such an operation , This is through the first outbound activity , We also have this understanding . During the second extravehicular activity, this time , More smoothly than last time .
CCTV reporter Lao Chunyan ： If you want to give them a score for today's out of class activities, how much do you give them ？
Chief designer of astronaut system Researcher of China astronaut Center Huang Weifen ： I think at least 100 branch .
stay “ dawn ” With the support of , Three astronauts successfully completed the extravehicular mission . This group of people closest to the astronauts , With tireless efforts , It brings more dawn to the future of China's space station .
source CCTV news client
edit Li Tuo
The process editor Wu yue
author[Beijing daily client],Please bring the original link to reprint, thank you.
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