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Refrigerator of pulse tube

A pulse tube and refrigerator technology, applied in the direction of refrigerators, gas cycle refrigerators, compressors, etc., can solve the vibration of pulse tube refrigerators and other problems, and achieve the effect of suppressing vibration

Active Publication Date: 2008-04-02
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the action of this force F1, the refrigerating table 8 and the regenerator cylinder 10 are separated from the phase adjustment mechanism 5. Therefore, in the conventional pulse tube refrigerator, as shown in FIG. Alternate pressure fluctuations, regenerator 2 and refrigeration table 8 are alternately displaced in the directions of arrows X1 and X2, and there is a problem of vibration in the pulse tube refrigerator

Method used

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  • Refrigerator of pulse tube
  • Refrigerator of pulse tube
  • Refrigerator of pulse tube

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Embodiment Construction

[0049] Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.

[0050] Fig. 5 is a configuration diagram of main parts of a pulse tube refrigerator 20A according to the first embodiment of the present invention. The pulse tube refrigerator 20A roughly includes a helium compressor 21, a regenerator 22, a switching valve 23, a phase adjustment mechanism 25, a pulse tube 26, a vacuum flange 27, a cooling table 28, a regenerator box 40, and the like.

[0051] The helium compressor 21 and the switching valve 23 function as a pressure vibration generator that generates pressure vibrations in the helium gas used as the working gas, and are connected to the high temperature end of the regenerator 22 through a pipe 36 formed in the phase adjusting mechanism 25 . The switching valve 23 performs a switching operation at a predetermined cycle, whereby the high-pressure helium gas generated by the helium compressor 21 is supplied...

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Abstract

The invention provides a pulse tube refrigerating machine which uses a regenerator box, even a structure of regenerator box is arranged in a regenerator cylinder, the regenerator cylinder and multilevel parts can be restrained to generate vibration. The pulse tube refrigerating machine comprises a regenerator box (40), a pulse tube (26), a phase adjustment mechanism (25) for phase adjusting helium which is working gas; a regenerator cylinder (30) which is arranged between a vacuum flange (27) and a refrigeration platform (28) for containing the regenerator box (40) inside. A low temperature end of the regenerator box (40) is provided with a knob (42) with connecting holes (43), the refrigeration platform (28) is provided with a mounting concave part (50) which can movably mount the knob (42), and a section area of the mounting concave part (50) is set to be smaller than a section area of the regenerator box (40).

Description

technical field [0001] The present invention relates to a pulse tube refrigerator, and more particularly to a pulse tube refrigerator using a regenerator cartridge. Background technique [0002] Generally, a pulse tube refrigerator is composed of a pressure vibration generator, a regenerator, a pulse tube, a phase adjustment mechanism, and the like. This pulse tube refrigerator is superior in quietness compared to GM refrigerators and Stirling refrigerators, so it is expected to be used as a cooling device for various inspection and analysis instruments such as nuclear magnetic resonance (NMR) and electron microscopes. [0003] FIG. 1 is a configuration diagram of main parts of a conventional pulse tube refrigerator. The structure of the pulse tube refrigerator roughly includes: a helium compressor 1, a regenerator 2, a switching valve 3, a phase adjustment mechanism 5, a pulse tube 6, a vacuum flange 7, and a refrigeration table (cold stage) 8 and the like. [0004] The h...

Claims

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Application Information

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IPC IPC(8): F25B9/14
CPCF25B2309/1411F25B2309/1421F25B2309/1408F25B9/145
Inventor 颜鹏达
Owner SUMITOMO HEAVY IND LTD
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