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Surface treatment method for resisting dewing environment of devices in spacecraft sealed cabin

A surface treatment and device surface technology, which is applied in the device for controlling the living conditions of spaceflight vehicles, spaceflight equipment, and spaceflight vehicles. Communication and other problems, to achieve the effect of solving line short circuit, good anti-condensation effect, ensuring life safety and

Active Publication Date: 2018-06-12
BEIJING SPACE TECH RES & TEST CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the droplet or water-covered layer touches the surface joints, screw holes, connector joints and other parts of the device, the liquid water enters the device due to the action of capillary force, which may affect the circuit part of the device and cause faults such as short circuit or accidental connection. , causing damage to the work of the device and the safety of the spacecraft

Method used

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  • Surface treatment method for resisting dewing environment of devices in spacecraft sealed cabin
  • Surface treatment method for resisting dewing environment of devices in spacecraft sealed cabin
  • Surface treatment method for resisting dewing environment of devices in spacecraft sealed cabin

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Embodiment Construction

[0035] The description of the embodiments in this specification should be combined with the corresponding drawings, and the drawings should be regarded as a part of the complete specification. In the drawings, the shapes or thicknesses of the embodiments may be exaggerated and marked for simplification or convenience. Furthermore, the parts of each structure in the drawings will be described separately. It should be noted that the elements that are not shown in the drawings or described in words are forms known to those of ordinary skill in the art .

[0036] The descriptions of the embodiments here, any references to directions and orientations are just for convenience of description, and should not be construed as any limitation to the protection scope of the present invention. The following descriptions of the preferred embodiments involve combinations of features, which may exist independently or in combination, and the present invention is not particularly limited to the...

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Abstract

The invention relates to a surface treatment method for resisting a dewing environment of devices in a spacecraft sealed cabin. The surface treatment method comprises the steps that a, the surfaces ofthe devices are wrapped with water vapor isolation layers or a single device or the position between the mutual-connecting attached surfaces of the at least two devices are filled with a water vaporseparation material; b, pressure is applied to the water vapor isolation layers wrapping the surfaces of the devices or the surface of the water vapor separation material; c, the edges of the water vapor isolation layers wrapping the surfaces of the devices are sealed, and a sealed water vapor separation sealing wrapping sleeve body wrapping the devices is formed; or the water vapor separation material filled between the mutually-attached surfaces of the devices is solidified, and a solidified water vapor separation sealing filing body is formed between every two adjacent devices. The dewing resistance capability of the devices is significantly improved through the surface treatment method so that the devices can work normally for a long time.

Description

technical field [0001] The invention relates to the field of environmental protection for positive components of manned spacecraft, in particular to a surface treatment method for anti-condensation environment of components in a sealed cabin of a spacecraft. Background technique [0002] In the manned spacecraft, water vapor will be continuously released to the atmospheric environment in the cabin due to the process of astronauts' breathing and body surface evaporation, and the gas purification device will absorb the CO produced by the astronauts. 2 A certain amount of moisture will also be generated due to chemical reactions in the gas process, and will be lost to the atmosphere in the airtight cabin in the form of water vapor. On the other hand, due to the work of the condensing and drying components, the water vapor in the air will be continuously condensed into liquid water for collection, and finally the water vapor will reach an equilibrium state in the sealed cabin, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/22B64G1/46
CPCB64G1/22B64G1/46
Inventor 明章鹏
Owner BEIJING SPACE TECH RES & TEST CENT
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