Radiation capsule for star sensor
A technology of star sensor and small cabin, applied in the field of small radiation cabin, can solve the problems of difficult implementation and complicated thermal control design of star sensor, and achieve the effect of low implementation difficulty, easy guarantee of thermal control effect, and simple design.
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[0024] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0025] The present invention provides a radiation cabin for star sensors, comprising a cabin body 1, an optical secondary surface mirror, a heater and a multilayer heat insulation assembly 2, such as figure 1 As shown, the peripheral device is a star sensor 3, and the star sensor 3 includes a light shield 4 and a star sensor head 5, wherein:
[0026] Such as figure 2 As shown, the small cabin body 1 made of aluminum alloy with good thermal conductivity has a polyhedral cavity structure, and is covered outside the star sensor 3. On the one hand, it is used to block the external heat flow and reduce the heat generated by the external heat flow on the star sensor 3. Radiation, on the one hand, is used as the heat sink of the star sensor 3, and releases the radiation heat dissipation of the star sensor 3 to the cold space; on the small cabin body 1, there is...
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