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Dual-way air-intake vascular refrigeator with corrugated pipe direct-current blocking-up structure

A pulse tube refrigerator and bellows technology, which is applied in the direction of gas cycle refrigerators, refrigerators, refrigeration and liquefaction, etc., can solve the obstacles to the practical process of pulse tube refrigerators, unstable operation status of refrigerators, and influence on refrigeration temperature, etc. problems, to achieve the effect of solving operational stability problems, avoiding inconvenience, and eliminating negative effects

Inactive Publication Date: 2007-03-14
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existence of Gedeon direct current not only affects the cooling temperature and loses part of the cooling capacity, but also causes the operation state of the refrigerator to be unstable, which hinders the practical progress of the pulse tube refrigerator

Method used

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  • Dual-way air-intake vascular refrigeator with corrugated pipe direct-current blocking-up structure

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Experimental program
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Effect test

Embodiment Construction

[0009] As shown in the attached figure, the two-way inlet pulse tube refrigerator with bellows DC blocking structure includes a compressor 1, a heat exchanger 2 at the hot end of a regenerator, a regenerator 3, a cold head 4, The pulse tube 5, the heat exchanger 6 at the hot end of the pulse tube, the small hole valve 7, and the gas storehouse 8 are provided with a bellows DC blocking structure 9 at the hot end of the pulse tube 5. A capillary 10 is provided between the hot ends of 5 .

[0010] The bellows DC blocking structure 9 is a section of bellows with one end closed, located in the vessel, arranged coaxially with the vessel, its open end close to the heat exchanger at the hot end of the vessel, and welded to the inner wall of the vessel, The inner cavity of the bellows communicates with the heat exchanger at the hot end of the pulse tube.

[0011] When the two-way inlet pulse tube refrigerator with bellows DC blocking structure is running, the pressure wave generated b...

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Abstract

This invention discloses a bi-directional air intake pulse tube refrigerator, which contains compressor, heat exchanger at heat end of heat regenerator, cold heat, pulse tube, pulse tube heat end exchanger, small hole valve, air reservoir, corrugated pipe dc block structure in heat end of pulse tube, and capillary set between air inlet of heat regenerator and heat end of pulse tube. Said invention eliminates the influence of dc to refrigeration temperature and quantity, and operation stability.

Description

technical field [0001] The invention relates to a two-way intake type pulse tube refrigerator with a bellows direct current blocking structure. Background technique [0002] Because the low-temperature moving part-the ejector is removed, the pulse tube refrigerator avoids problems such as sliding seals and mechanical wear at low temperatures, and is expected to become a low-cost, low-vibration, stable and reliable long-life low-temperature refrigerator. Especially with the proposal and successful application of phase modulation structures such as small holes, gas banks, and two-way air intake, the cooling temperature of pulse tube refrigerators has been continuously reduced, and the cooling capacity and cooling efficiency have also been greatly improved, which is close to or even exceeded in some working conditions. Traditional regenerative cryogenic refrigerators (such as G-M refrigerators, Stirling refrigerators, etc.) have been practically used in the cooling of supercond...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B9/14
CPCF25B2309/1408F25B2309/14241F25B9/145
Inventor 陈国邦汤珂金滔颜鹏达
Owner ZHEJIANG UNIV
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