What is the difference between Shenzhou 6 and Shenzhou 5?

Improvement 1: The pantry is placed in the orbital compartment and fully stocked with food.

Improvements around two-person multi-day missions. First of all, a sufficient or even a surplus of astronaut consumables was prepared, including food, water, sleeping bags, etc. The pantry is placed in an orbital pod, which was previously vacant.

According to the water consumption of one and a half kettles per person per day, astronaut water is prepared in two ways: water tanks and individual flexible packaging. Secondly, the environmental control capability of the cockpit has been improved. One person exhales nearly one liter of water a day, and Shenzhou 6 has improved its ability to condense water vapor and expanded the condensation tank to ensure that the humidity of the spacecraft is controlled below 80.

Oxygen, temperature and humidity in the cabin are automatically sensed and regulated.

Improvement 2: Use a urine and urine collection device for the first time.

Improvements in the use of the orbital module function. A lot of the necessities of astronauts' life are placed, such as food heating devices and cutlery. A sleeping bag is hung in the orbital module for the two astronauts to take turns resting.

In the state of weightlessness, people can actually float in the air to sleep, but considering the habits that people develop on the ground, they artificially create a "bed" feeling through sleeping bags, otherwise astronauts may have the illusion of falling into the abyss when sleeping. There is also a special cleaning cabinet in the orbital module, which astronauts can use to clean with items such as warm towels. This is also the first time that the urine and urine collection device has been used.

Improvement 3: Redesign of the return seat cushion.

Improvements to improve astronaut safety. The astronaut's seat in the re-entry capsule is designed with a landing cushion function to ensure the safety of the astronaut in the event of a thrust reverser failure. In the Shenzhou 5 spacecraft, only the seat that Yang Liwei is riding in has a land cushioning function, and there is a small defect, that is, it is difficult for astronauts to see out of the porthole after the front seat is raised.

The Shenzhou-6 redesigned the buffer and conducted repeated trials in combination with the whole ship. If the hatch between the re-entry module and the orbital module is not closed tightly during return, it will threaten the safety of astronauts. Three Russian cosmonauts once lost their lives as a result.

Shenzhou-6 researchers have successfully developed a rapid automatic detection device for the sealing of the hatch, and spent several months developing a special rag, which does not produce fibers, static electricity, and odors, and is specially used to clean the hatch.

Improvement 4: Expanded black box storage by 100 times.

Continuous improvement. China's manned space program was officially launched in 1992, and 13 years have passed since then, and some of the components and raw materials originally used in the spacecraft are no longer produced, and some technologies have become slightly outdated. For example, the "black box" on Shenzhou 1 to 5 was developed in 1994 and has a storage capacity of only 10 megabytes.

Today's black boxes not only have 100 times more storage capacity than before, but also write and read data faster than 10 times, but the volume is less than half of the original.

Since there was no rendezvous and docking mission in this flight, Shenzhou 6 canceled the additional section for this function, and in addition, more than 40 new devices and 6 software were added to the spacecraft, bringing the spacecraft's equipment to more than 600, 82 software, and more than 100,000 components.

Nothing different! It's just that the sixth carries one more person!

Shenzhou"Six"No. Shenzhou"Five"Number.

The sixth carried two people, and the fifth carried one person.

Shenzhou 1 to 5 are all cold, only six.

No. 6 is flying into the sky, Shenzhou 7 is also known as Luban No. 7.

It was launched on 15 October 2003 and landed on 16 October 2003.

Xinhua News Agency, Beijing, October 11 (Reporter Li Xuanliang, Bai Ruixue) "During the flight of Shenzhou 5, the environmental control and life support system can only be regarded as a test, and this time the Shenzhou 6 mission is the real use of the environmental control and life protection system." Fu Lan, the former director designer of the Shenzhou-6 spacecraft environmental control and health protection system, said in an interview with Xinhua News Agency, "Our task is to try our best to create a more comfortable living space for astronauts." ”

If humanity wants to explore outer space away from the Earth, it must try to create a small environment in which humans can survive in space. The environmental control and life support system in the space capsule is not only the most important system on the manned spacecraft, but also directly related to the physical health, work efficiency and life safety of astronauts. According to Zhang Bonan, chief designer of the Shenzhou-6 spacecraft system, the configuration of Shenzhou-6 is the same as that of Shenzhou-5, consisting of three modules: the return module, the orbital module and the propulsion module.

Since there was no rendezvous and docking mission for this flight, the spacecraft canceled the additional segment.

According to the flight status of the Shenzhou-6 spacecraft in space, the installation sequence of the three modules from front to back is: orbital module, return module and propulsion module.

The Shenzhou-6 spacecraft carries a total of about 50 kilograms of oxygen, which can not only meet the needs of two astronauts for many days, but also can be used in emergency situations. Because the high-pressure cylinder is loaded with high-pressure atmosphere, it needs to withstand the pressure of 210 atmospheres, so it is difficult to develop, and the cost of a cylinder is about 50,000 yuan. Fu Lan said that in the event that the spacecraft lands at sea during the return, there is also an emergency system in the return capsule that can generate oxygen for the astronauts to use for 24 hours and absorb carbon dioxide to ensure that the astronauts will not be starved of oxygen.

While maintaining sufficient oxygen in the air, the spacecraft also adopts an advanced ventilation and purification system, which can remove all kinds of dust and impurities in the air in time, so that the air quality is always above the excellent level.

At 9 o'clock on October 15, 2003, China successfully launched its first manned spacecraft, Shenzhou 5! The 21-hour and 23-minute space trip indicates that China has become the third country in the world after the former Soviet Union, Russia, and the United States to be able to independently carry out manned space activities.

At this moment, it was 3 years and 329 days since the launch of China's first test spacecraft, and only 11 years and 25 days since the establishment of China's manned space project. Prior to the launch of manned spacecraft, the former Soviet Union conducted five unmanned spacecraft launch tests, and the United States conducted eight unmanned spacecraft launch tests. China's Shenzhou spacecraft successfully launched people into space after four flight tests.

The successful launch and landing of the Shenzhou-5 spacecraft marks a historic breakthrough in China's manned space program. "It took us 10 years to complete a great historical mission, which is an important milestone in China's space history and a major contribution to the peaceful use of space. Luan Enjie, former director of the China National Space Administration, said.

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