Self-pressurization type space low-infrared radiation cold-shield system device
A technology of infrared radiation and shielding system, which is used in aerospace safety/emergency devices, thermal protection devices for aerospace vehicles, refrigerators, etc.
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[0035] 1. System structure setting
[0036] 1. If figure 1 As shown, first, the aircraft is wrapped with a thermal insulation layer 18 and installed on the top of the inner layer 2 of the cold screen, the air flow channel 3 is between the inner layer 2 and the outer layer 17 of the cold screen, and the inner surface of the outer layer 17 of the cold screen is provided with a secondary expansion There is a certain distance between the pressure split piping system, the split piping 31 and the return gas piping 30 . The top of the outer layer 17 of the cold screen is equipped with a No. 1 dual-pressure control decompression throttle valve 1, and the top of the throttle valve 1 is provided with a diffuser chamber 16;
[0037] Secondly, a self-pressurized refrigerant Dewar storage tank 6 is installed at the bottom of the aircraft, a No. 2 dual-pressure control decompression throttle valve 20 is installed on the top of the storage tank 6, a semicircular liquid stopper 21 is install...
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