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Thermal vacuum equipment with the function of absorbing condensable volatile pollutants and its application method

A technology of volatilizing pollutants and thermal vacuum, which is applied in space navigation equipment, simulation devices of space navigation conditions, transportation and packaging, etc., can solve the problem that the pollution of spacecraft products cannot be effectively controlled, and save manpower and time costs, control Diversified thermal functions and reasonable thermal design

Active Publication Date: 2021-05-11
SHANGHAI INST OF SATELLITE EQUIP
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This device makes the actual assessment temperature reach a good consistency when different equipment is tested at the same time, but it cannot effectively control the pollution of spacecraft products during the thermal vacuum test

Method used

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  • Thermal vacuum equipment with the function of absorbing condensable volatile pollutants and its application method
  • Thermal vacuum equipment with the function of absorbing condensable volatile pollutants and its application method
  • Thermal vacuum equipment with the function of absorbing condensable volatile pollutants and its application method

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0033] Such as Figure 1 to Figure 10 As shown, the thermal vacuum equipment provided according to the present invention has the function of absorbing condensable volatile pollutants, including a vacuum tank body 6 and a condensable volatile pollutant absorption control device, and the condensable volatile pollutant absorption control device includes low-temperature pollution Adsorption screen 1, movable bracket 2, louver shielding plate 3, radiation protection screen 4 and adsorption screen temperature...

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Abstract

The invention provides a thermal vacuum device with the function of absorbing condensable volatile pollutants, which includes a vacuum tank and a control device for absorbing condensable volatile pollutants. The control device for absorbing condensable volatile pollutants includes a low-temperature pollution adsorption screen and a movable support , louver shading plate, anti-radiation screen and adsorption screen temperature control system, low-temperature pollution adsorption screen and anti-radiation screen are installed on movable brackets, radiation protection screen is located on the side of the low-temperature pollution adsorption screen facing away from the product, low-temperature pollution adsorption screen is facing One side of the product is equipped with a louver baffle, the louver baffle is fixed with a movable bracket, the movable bracket is installed in the vacuum tank through the guide rail in the tank, and the low-temperature pollution adsorption screen is connected to the adsorption screen temperature control system outside the vacuum tank through the flange assembly. The invention has reasonable thermal design and wide applicability, and effectively reduces the influence of the background temperature on the temperature stability of the surface of the low-temperature adsorption screen.

Description

technical field [0001] The invention relates to the technical field of spacecraft environment simulation equipment, in particular to a thermal vacuum equipment with the function of absorbing condensable volatile pollutants and a method for using it. Background technique [0002] Any deposition of contamination on a spacecraft subsystem will alter the performance of the system to some extent. During the development, assembly, testing, storage, and transportation of spacecraft, they will be polluted by the external environment and the spacecraft itself. During thermal vacuum tests, the non-metallic sheaths, adhesives, thermal control coatings and fillers of cables used on spacecraft will outgas and lose mass due to diffusion and desorption, and some of them will be redistributed on cooler surfaces. Condensation can cause pollution to spacecraft equipment and affect product performance. [0003] Further test results show that typical condensable volatiles include phthalates a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G7/00
CPCB64G7/00
Inventor 祁松松景加荣徐晓辉刘家林董德胜李灿伦季琨施承天
Owner SHANGHAI INST OF SATELLITE EQUIP
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