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Space cold shielding harness layered liquid-storing refrigerating device

A shielding system and refrigeration device technology, which is applied in the direction of refrigerators, refrigeration and liquefaction, aerospace safety/emergency devices, etc.

Inactive Publication Date: 2008-08-06
张周卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a space cold shielding system layered liquid storage refrigeration device according to the technical characteristics of cold steam discharge in the open space phase change refrigeration process, which is used to solve the problem of variable pressure, variable temperature, and variable flow space. The technical problems brought about by the effective storage of refrigerant in the dynamic refrigeration process, improve the space heat transfer efficiency, improve the space phase change refrigeration efficiency, and realize the relative stability of space refrigeration, so as to realize the effective control of the surface temperature of the space cold shielding system

Method used

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Embodiment 1

[0028] A layered liquid-storage refrigeration device for a space cold shielding system, including capillary material, capillary material support, secondary diffuser intake pipeline, secondary diffuser exhaust pipeline and diffuser, characterized in that the outer layer of the cold shield 1 and the cold screen inner layer 5 are provided with a capillary material support 3, and the capillary material support 3 is equipped with a capillary material 2, and the capillary material 2 is divided into circular rings, and the capillary material support 3 on the upper part of each ring layer There is an air outlet. A secondary diffuser intake pipeline 4 is provided between the capillary material support 3 and the inner layer 5 of the cold screen, the outlet of the secondary diffuser intake pipeline 4 is connected to a diffuser 7, and the outlet of the diffuser 7 is connected to a secondary diffuser Exhaust pipeline 6; there is a gap between the secondary diffuser intake pipeline 4 and th...

Embodiment 2

[0033] A layered liquid-storage refrigeration device for a space cold shielding system, comprising a capillary material, a capillary material support, a secondary diffuser intake pipeline, a secondary diffuser exhaust pipeline, and a diffuser. The capillary material bracket 3 has an annular layered partition 8 of the capillary material 2, and the partition 8 is in close contact with the inner layer 5 of the cold screen to form a U-shaped liquid storage tank; the capillary material 2 is filled in the U-shaped liquid storage tank 11. The capillary material bracket 3 is closely attached to the secondary diffuser air intake pipeline 4, and the secondary diffuser air intake pipeline 4 is closely attached to the inner surface of the outer layer 1 of the cold screen. The outlet of the secondary diffuser air intake pipeline 4 is connected to a Compressor 7, the outlet of diffuser 7 is connected with secondary diffuser exhaust pipeline 6. The capillary material is an inner and outer do...

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Abstract

The invention relates to a refrigeration device with liquid stored in different layers in a space cold shielding system, which comprises capillary materials, a capillary material bracket, an inlet pipe of secondary diffusion, a discharging pipe of secondary diffusion and a diffuser, wherein, the capillary material bracket is arranged between an outer layer of cold shielding and an inner layer of cold shielding and provided with the capillary materials divided by circular shapes; the capillary material bracket at an upper part of each circular layer is provided with a vent port. The inlet pipe of secondary diffusion is arranged between the capillary material bracket and the inner layer of cold shielding; an outlet of the inlet pipe of secondary diffusion is connected with the diffuser, an outlet of which is connected with the discharging pipe of secondary diffusion; a clearance is kept between the inlet pipe of secondary diffusion and the inner layer of code shielding. The refrigeration device solves the difficult problems of valid storage of refrigerant during the space dynamic refrigeration of variable pressure, temperature and flow, improves the efficiency of space heat transmission, increases the efficiency of space refrigeration with phase change, realizes the relative stability of space refrigeration, and realizes the effective control of temperature on the surface of the space cold shielding system.

Description

technical field [0001] The invention relates to the layered animal liquid refrigeration technology in the space cold shielding phase change refrigeration system, and is especially suitable for the surface temperature control technology in the space cold shielding system, specifically, it is an indispensable part of the phase change refrigeration system in the high vacuum microgravity environment. Disclosed is a layered liquid storage refrigeration device for a space cold shielding system. Background technique [0002] Since the aircraft has complex aerodynamic heat transfer conditions during start-up and stable flight, the low-temperature fluid in the cold screen is in a state of intense phase change and multi-phase flow accompanied by drastic changes in pressure and temperature. How to keep the liquid relatively stable , vapor-liquid separation, effective discharge of steam, improvement of surface heat transfer efficiency, reduction of cold steam flow resistance, and preven...

Claims

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Application Information

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IPC IPC(8): B64G1/58F25B19/02
Inventor 张周卫汪雅红厉彦忠鱼剑琳陈光奇施宝毅王荣宗
Owner 张周卫
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