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Satellite high-precision optical load installation platform thermal control system and method

A technology of installation platform and thermal control system, applied in the aerospace field, can solve the problems of large size of load installation platform, large difference of satellite heat flow, poor thermal conductivity of materials, etc.

Active Publication Date: 2020-11-20
INNOVATION ACAD FOR MICROSATELLITES OF CAS +1
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Problems solved by technology

[0004] The purpose of the present invention is to provide a thermal control system and method for a satellite high-precision optical load installation platform, so as to solve the temperature uniformity control of the platform caused by the large difference in heat flow in each direction of the satellite, the large size of the load installation platform, and the difference in material heat conduction. difficult question

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  • Satellite high-precision optical load installation platform thermal control system and method

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Embodiment Construction

[0050] The thermal control system and method of the satellite high-precision optical payload installation platform proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0051]In addition, unless otherwise stated, features in different embodiments of the present invention can be combined with each other. For example, a feature in the second embodiment may be used to replace a corresponding or functionally identical or similar feature in the first embodiment, and the resulting embodiment also falls within the scope of disclosure or description of the present appli...

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Abstract

The invention provides a satellite high-precision optical load installation platform thermal control system and method. The system comprises an external environment thermal control module configured to reduce the influence of the external environment on the temperature uniformity of a satellite high-precision optical load installation platform body through an external heat flow shielding unit, a boundary temperature control unit and an installation part heat insulation unit; and a platform body thermal control module configured to equalize the temperature thereof through a surface thermal insulation unit, a heating loop arrangement unit and a PI closed-loop temperature control unit.

Description

technical field [0001] The invention relates to the field of aerospace technology, in particular to a thermal control system and method for a satellite high-precision optical load installation platform. Background technique [0002] A scientific satellite is equipped with three payloads, and the three payloads are required to have a common view of the sun, and the deviation of the optical axis is required to be less than 30″. The parallelism of the optical axis is mainly affected by the final assembly environment, the installation method of the payload (installation without gravity), thermoelastic deformation and momentum wheel The influence of micro-vibration disturbance, among which the influence of thermoelastic deformation of the load mounting platform is an important part of it. Therefore, ensuring the temperature and gradient stability of the load mounting platform and reducing the thermoelastic deformation of the load mounting platform is to ensure the parallelism of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/58B64G1/50
CPCB64G1/58B64G1/50
Inventor 唐宗斌诸成王建平廖星
Owner INNOVATION ACAD FOR MICROSATELLITES OF CAS
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