Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Spaceflight low temperature refrigerator

A technology for low-temperature refrigerators and refrigerators, which is applied to household refrigerators, coolers, lighting and heating equipment, etc., to achieve the effects of improving uniformity, heat transfer, and heat preservation

Inactive Publication Date: 2018-05-15
UNIV OF SHANGHAI FOR SCI & TECH
View PDF6 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the temperature inside the low-temperature refrigerator is usually -80°C, under such low-temperature working conditions, there is currently no suitable fan that can be installed in the box to enhance convective heat transfer

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Spaceflight low temperature refrigerator
  • Spaceflight low temperature refrigerator
  • Spaceflight low temperature refrigerator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0059] Such as figure 1 and 2 As shown, this embodiment provides an aerospace low-temperature refrigerator, which can improve the uniformity of the temperature field inside the aerospace refrigerator, and can provide two storage temperature zones to better meet the high performance requirements of aerospace technology. The Stirling refrigeration system , box and heat pipe heat conduction system;

[0060] The Stirling refrigeration system includes a Stirling refrigerator 1, a cold finger 2 and an electric control part 3;

[0061] The box body includes an outer shell 4, an insulating layer 5, a door 6 and a metal liner 7;

[0062] The heat pipe heat conduction system includes a heat pipe 8 , an evaporating section 9 with a “Feng” branch structure of the heat pipe, a drawer 10 , a heat conduction partition 11 , a metal back plate 12 , and a heat pipe condensation end 13 .

[0063] Wherein, in this embodiment, the two ends of the cold finger 2 communicate with the Stella refri...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of refrigerators, in particular to a spaceflight low temperature refrigerator. The spaceflight low temperature refrigerator comprises a Stirling refrigerating system, a box body and a heat conducting system. The refrigerating system comprises refrigerating equipment, a refrigerating capacity channel and an electric control part; the box body comprises ashell, a thermal isolating layer, a door and an inner container; the heat tube heat conducting system comprises a heat conducting backboard, multiple heat tubes, a heat conducting clapboard, a heat conducting drawer and a heat conducting graphite membrane. The problems that when a Stirling refrigerating refrigerator is applied to a spaceflight space station and a shuttle, in the absence gravity effect, since air in a box cannot generate natural convective heat transfer, the temperature difference in the refrigerator is large, and scientific research requirements cannot be met. The spaceflightlow temperature refrigerator is particularly applicable to the situation that since temperature is too low, a fan cannot be installed in the box.

Description

technical field [0001] The invention relates to the technical field of refrigerators, in particular to an aerospace low-temperature refrigerator. Background technique [0002] With the increasing development of my country's aerospace technology and the increasing rise of life science and bio-genetic engineering, there is an urgent need for low-temperature freezing equipment applied to space stations to meet the long-term storage requirements of space experiment samples. Since the gravity is zero in the space station, the air in the box is in a static state due to the lack of gravity and cannot produce natural convection, which leads to the deterioration of the heat transfer conditions in the box. Therefore, compared with the ground refrigerator, the temperature field in the box is extremely uneven, and the maximum temperature difference is usually above 20K, while the long-term storage of biological and other samples requires the maximum temperature difference to be within 5...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F25D11/00F25D23/06F25D23/00F25D25/02
Inventor 刘业凤张华陈曦周国梁
Owner UNIV OF SHANGHAI FOR SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com