What materials are aviation suits made of? What are the functions?

The second layer is the temperature regulation layer,which uses the new technology “heat pipe liquid temperature regulation”,A large number of polyvinyl chloride thin tubes are arranged on this layer,there is a liquid flowing in the tubes,The temperature of the space suit can be adjusted through the flow of liquid,very efficiently.Temperature There are three levels to choose from,controlled by the astronauts themselves.

The third layer is the pressurized layer,which is a sealed inflatable layer made of special rubber ,Filled with air of an atmospheric pressure,Because low pressure must be prevented in the vacuum of the universe.

The fourth layer is the constraint layer,has two functions,Constrain the third layer into the shape of clothing,while helping the outer layer resist the attack of tiny meteorites.It also It has excellent thermal insulation effect,prevents the exchange of internal and external heat.

The fifth layer is the protective layer,a high-strength “bulletproof vest” made of special synthetic fibers,To resist the attack of tiny meteorites flying like bullets,At the same time, it must be able to absorb the energy of cosmic rays.

In fact, the real space suit has more than these layers,like the United States, there are as many as15layers.This does not include the backpack carried by astronauts.This The backpack is connected to the space suit,to form a complete life support system.Including such things as temperature, humidity, air pressure , ventilation, circulation, monitoring, filtration, power supply, oxygen supply and other automatic and manual equipment.In addition,The American space suit is also equipped with a flight system, with 24 nozzles that can allow astronauts to control their flight path at any time. b>Electronic communication systems are also required.

Space suits must not only use high-strength polyester and other materials, but also be supplemented by a variety of metals and adhesives,Such a “clothing” is really expensive and heavy.A space suit in the United States is worth more than1billion yuan.Because space suits are regarded as secrets by their respective producing countries,So it is impossible for ordinary people to know the details and specific materials of its production.A country’s space suit technology level,It often represents the country’s comprehensive scientific and technological level.

AAA

What we generally call space suits,Divided into intravehicular space suits and extravehicular space suits.In fact, strictly speaking, intravehicular space suits are not considered space suits b>,Its production is completely different from that of a real space suit,.We only talk about extravehicular space suits here.Space is a very harsh environment.There is no breathable air,there is no atmospheric pressure,the temperature there It’s also very strange,The hot sun shines directly on one side,The temperature rises very high,When there is no sunlight,the cold space temperature is extremely low. In addition,strong cosmic radiation and flying meteorites,are also huge dangers that threaten astronauts b>.Once the astronaut leaves the spacecraft,there is a vacuum outside the space suit ,There is an atmospheric pressure inside the spacesuit; from the strength point of view, it can be imagined that,it must be very strong,Otherwise there is a vacuum outside, and atmospheric pressure insidewill explode >,So the strength of the space suit must be very high.The basic design of the space suit has the following layers: