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Vessel type free piston Stirling refrigerator-adopted wine cabinet

A technology for refrigerators and wine cabinets, applied in refrigerators, gas cycle refrigerators, refrigeration and liquefaction, etc., to achieve the effects of eliminating pump air loss, high temperature control accuracy, and reducing the quality of the whole machine

Active Publication Date: 2018-11-06
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sound work recovery problem of the pulse tube refrigerator is solved by setting a short room-temperature expansion piston at the hot end. Therefore, when the sound work at the cold end is fully recovered, the theoretical efficiency of the new pulse-tube free-piston Stirling refrigerator is Carnot cycle efficiency

Method used

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  • Vessel type free piston Stirling refrigerator-adopted wine cabinet
  • Vessel type free piston Stirling refrigerator-adopted wine cabinet
  • Vessel type free piston Stirling refrigerator-adopted wine cabinet

Examples

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereby.

[0039] Please see first Figure 1-6 , as shown in the figure, the gravity heat pipe cooling device 200 includes four U-shaped gravity heat pipes 203, and the gravity heat pipes 203 are filled with propane as a heat-conducting working fluid. In the annular groove 812 on the inner side of the ring of 800 along the circumferential direction, it is in close contact with the heat dissipation surface 101 of the Stirling refrigerator 100, and is coated with heat-conducting silicone grease at the contact point. Two bolts are arranged on the ring locking member 800 The holes 806 and 807 are connected by bolts to the pair 205, so that the annular locking member 800 and the heat dissipation surface of the Stirling refrigerator 100 are closely fixed, and there are several gaps 808, 8...

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Abstract

The invention discloses a vessel type free piston Stirling refrigerator-adopted wine cabinet. The wine cabinet comprises a wine cabinet box and a refrigeration system, wherein the wine cabinet box isan internal refrigeration area surrounded by an external thermal insulation framework and a door; the refrigeration system is formed by a vessel type free piston Stirling refrigerator, a gravity assisted heat pipe cooling device, a cored heat pipe cold guiding device, a ring-shaped locking member and ring-shaped fasteners and is arranged at the inner top of the wine cabinet box; the gravity assisted heat pipe cooing device comprises a plurality of U-shaped gravity assisted heat pipes; evaporation ends of the gravity assisted heat pipes are tightly contacted and connected with a cooling surfaceof the Stirling refrigerator; first fins are arranged at condensation ends of the gravity assisted heat pipes; first fans are arranged outside the first fins; the cored heat pipe cold guiding devicecomprises a plurality of cored heat pipes; condensation ends of the cored heat pipes are connected with a cold head of the Stirling refrigerator through ring-shaped fasteners; second fins are arrangedat evaporation ends of the cored heat pipes; and second fans are arranged outside the second fins so as to carry out convective cooling on the second fins.

Description

technical field [0001] The invention belongs to the field of home appliances, in particular to a wine cabinet adopting a pulse-tube type free-piston Stirling refrigerator. Background technique [0002] When storing all kinds of high-end wine, in order to maintain its good quality, it needs to be stored in a certain environment. The environment for preserving wine requires constant temperature, constant humidity, light protection, shock absorption, ventilation, and no peculiar smell. The wine cabinet can precisely control the environment of wine storage to prevent it from going bad due to oxidation. [0003] At present, commercially available wine cabinets generally adopt two refrigeration methods: thermoelectric refrigeration and vapor compression refrigeration. [0004] A wine cabinet using thermoelectric cooling uses a thermoelectric cooler (TEC) as the main cooling source. The working principle of a thermoelectric cooler is based on the second thermoelectric effect (ie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B9/14
CPCF25B9/145F25B2309/1425
Inventor 陈曦卢莎
Owner UNIV OF SHANGHAI FOR SCI & TECH
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