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Stirling refrigeration system and refrigerator

A refrigeration system and refrigeration machine technology, applied in refrigerators, refrigeration components, household refrigerators, etc., can solve problems such as constraints, and achieve the effects of promoting flow, improving heat dissipation, and isolating noise transmission

Pending Publication Date: 2022-06-17
QINGDAO HAIER SMART TECH R & D CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The noise of the existing Stirling refrigerator is generally between 45-55dB(A), which is much higher than that of traditional piston compressors, which restricts its direct application to household products

Method used

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  • Stirling refrigeration system and refrigerator
  • Stirling refrigeration system and refrigerator
  • Stirling refrigeration system and refrigerator

Examples

Experimental program
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Effect test

Embodiment Construction

[0046] In the following description, the orientations or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", etc. are orientations based on the refrigerator 100 itself as a reference, such as Image 6 the direction indicated.

[0047] figure 1 It is a three-dimensional schematic diagram of a Stirling refrigeration system according to an embodiment of the present invention. figure 2 is a schematic cross-sectional view of the Stirling refrigeration system shown in Figure 1. image 3 Yes figure 1 Schematic illustration of the exploded decomposition of the Stirling refrigeration system shown. Figure 4 It is a schematic cross-sectional view of a Stirling refrigeration system according to another embodiment of the present invention. Figure 5 It is a schematic cross-sectional view of some components of a Stirling refrigeration system according to another embodiment of the present invention.

[0048] like Figure 1 to Figure 3 As shown, t...

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PUM

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Abstract

The invention provides a Stirling refrigeration system. The Stirling refrigeration system comprises a Stirling cryocooler, the inner shell is configured to at least wrap a main body part, provided with a driving mechanism, of the Stirling cryocooler; the outer shell is configured to at least wrap the inner shell, and a ventilation opening is formed in the outer shell; and the heat dissipation device is configured to be in thermal connection with the hot end of the Stirling cryocooler and / or the main body part, and at least one part of the heat dissipation device is located in the space between the outer shell and the inner shell. According to the Stirling refrigerating system, noise transmission can be isolated as much as possible, and the Stirling refrigerator can be effectively cooled.

Description

technical field [0001] The invention relates to the technical field of refrigeration and freezing devices, in particular to a Stirling refrigeration system and a refrigerator. Background technique [0002] With the emphasis on health, household stocks of high-end ingredients are also increasing. After research, the storage temperature of ingredients is lower than their glass transition temperature, the properties of ingredients will be relatively stable, and the shelf life will be greatly extended. Among them, the glass transition temperature of ingredients is mostly concentrated at -80°C to -30°C. Most of the existing household refrigerators use vapor compression for refrigeration, and it is difficult for the temperature in the box to reach below -30°C. Aerospace, medical and other fields use Stirling refrigeration systems for refrigeration, which can achieve refrigeration temperatures below -200 °C. The noise of the existing Stirling refrigerator is generally between 45...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B9/14F25B31/00F25D11/00F25D17/06F28F3/00F16F15/067
CPCF25B9/14F25B31/00F25D11/00F25D17/06F28F3/00F16F15/067
Inventor 李靖野田俊典刘会刘煜森房雯雯孙永升陶瑞涛
Owner QINGDAO HAIER SMART TECH R & D CO LTD
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