Vibration isolation structure of expansion machine of Stirling refrigerator

A technology of expander and refrigerator, which is applied in the field of remote sensing, can solve problems such as vibration effects, and achieve the effect of ensuring image quality

Inactive Publication Date: 2020-01-21
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problem that the vibration of the expander in the Stirling refrigerator in the prior art affects the detector, and provides a vibration isolation structure for the expander of the Stirling refrigerator

Method used

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  • Vibration isolation structure of expansion machine of Stirling refrigerator
  • Vibration isolation structure of expansion machine of Stirling refrigerator
  • Vibration isolation structure of expansion machine of Stirling refrigerator

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Figure 1-3 , a Stirling refrigerator expander vibration isolation structure, comprising:

[0029] The installation part, one side of which is used to install the detector 1;

[0030] The refrigeration mechanism, the refrigeration mechanism at least includes a compressor 2, an expander 3, and a connecting pipe arranged between the compressor 2 and the expander 3, and a preset distance is provided between the compressor 2 and the detector 1 through ...

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PUM

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Abstract

The invention discloses a vibration isolation structure of an expansion machine of a Stirling refrigerator, relates to the technical field of remote sensing, and solves the problem that vibration generated when the expansion machine in the Stirling refrigerator works in the prior art affects a detector. The vibration isolation structure comprises a mounting part, a refrigerating mechanism and a vibration isolation structural part, wherein one side of the mounting part is used for mounting the detector; the refrigerating mechanism at least comprises a compressor, the expansion machine and a connecting pipe arranged between the compressor and the expansion machine, and a preset distance is formed between the compressor and the detector through the connecting pipe to prevent vibration transmission between the compressor and the mounting part or the detector; the vibration isolation structural part is arranged between the mounting part and the expansion machine and is used for connecting the mounting part and the expansion machine; and the expansion machine has a working state, and the vibration isolation structural part is used for reducing vibration between the expansion machine andthe mounting part or the detector when the expansion machine is in the working state. Vibration of the expansion machine is effectively inhibited by the vibration isolation structural part, and the influence of vibration of the expansion machine on a detector chip and an optical element is reduced.

Description

technical field [0001] The invention relates to the technical field of remote sensing, in particular to a vibration isolation structure of a Stirling refrigerator expander. Background technique [0002] Infrared detection has the advantages of ignoring night and bad weather, and is the current development trend of space remote sensing technology. Since the infrared detector needs to work in a low-temperature environment, it needs to be controlled by a refrigerator. There are two main types of infrared refrigerators widely used at present, one is Stirling type and the other is pulse tube type. Because the cold end of the pulse tube refrigerator has no moving parts, it has high reliability and long life, so it is widely used. However, the Stirling refrigerator has moving parts at the cold end, that is, there is piston movement inside the expander, which leads to a decrease in its reliability and service life. In addition, the vibration generated by the expander will be dire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B9/14F25B9/06F25B31/00
CPCF25B9/06F25B9/14F25B31/00F25B2500/13
Inventor 齐洪宇郭疆邵明东朱磊孙继明
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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