A satellite camera thermal protection door system with active temperature control
A satellite camera and thermal protection technology, applied in the control/adjustment system, camera, camera body, etc., can solve the problems of rapid heat flow changes outside space, long thermal stability time, camera heat leakage, etc., to reduce camera heat leakage , Small size, avoid thermal deformation effect
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[0027] The invention relates to a satellite camera thermal protection door system with active temperature control. Such as figure 1 , figure 2 The system shown is installed on the hood 4 of the space camera, and consists of three parts: a temperature control system 1 , a drive system 2 , and a heat protection door body 3 . Among them, the temperature control system 1 is composed of a pre-embedded electric heating plate 11, a temperature sensor 12 and a heating controller 13; the driving system 2 is composed of a reduction mechanism 21 and a driving motor 22; Surface multi-layer heat insulation material 32, inner surface high-emissivity coating 33, installation ring 34; drive motor 22 and deceleration mechanism 21 are fixed on the sunshade 4, installation ring 34 is fixed on the heat protection door structure plate 31, deceleration The mechanism 21 is fixed on the mounting ring 34 by bolts to form a connection with the main body 3 of the heat protection door; the embedded el...
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