Low-temperature optical mechanical system based on SiC particle reinforced aluminum matrix composite vacuum cooling box
A technology of particle-enhanced aluminum and composite materials, applied in the field of spectral imaging detection, to reduce the weight of the system and improve the efficiency and accuracy
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[0058] The following is based on figure 1 A preferred embodiment of the present invention is given to illustrate the technical features of the present invention, but not to limit the scope of the present invention.
[0059]Vacuum cold box 1 adopts 15% SiC particle reinforced aluminum matrix composite material for lightweight design, and is processed by stabilizing heat treatment. The surface is treated with hard oxidation, which is resistant to salt spray, mold and corrosion.
[0060] Detector 2 has a scale of 320×256 and is made of HgCdTe material. It is refrigerated by an integrated miniaturized Stirling refrigerator, so that the detector works in a deep low temperature state at 60K. At the same time, a detector bellows flange 2-1 is connected between the detector 2 and the vacuum cold box 1, the material of the welded bellows is SUS316L, the free length is 35mm, and the stroke is 15mm. The used detector sealing ring 2-5 is made of fluorine rubber material.
[0061] The s...
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