CN114136046B - Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator - Google Patents
Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator Download PDFInfo
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- CN114136046B CN114136046B CN202111337752.3A CN202111337752A CN114136046B CN 114136046 B CN114136046 B CN 114136046B CN 202111337752 A CN202111337752 A CN 202111337752A CN 114136046 B CN114136046 B CN 114136046B
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- 238000009413 insulation Methods 0.000 title claims abstract description 56
- 238000007710 freezing Methods 0.000 claims abstract description 42
- 230000008014 freezing Effects 0.000 claims abstract description 41
- 239000012782 phase change material Substances 0.000 claims abstract description 40
- 238000007493 shaping process Methods 0.000 claims abstract description 32
- 239000004964 aerogel Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 239000002918 waste heat Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000011232 storage material Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a vehicle-mounted high-efficiency heat-insulating Stirling cryogenic refrigerator, the refrigerator comprises a refrigerator body, a Stirling refrigerator system and a temperature equalizing system; the refrigerator body comprises a shell and a composite heat insulation layer; a freezing cavity is formed in the composite heat insulation layer; the composite heat insulation layer comprises a high-temperature shaping phase change material, a porous aerogel material, a vacuum heat insulation plate, a porous aerogel material and a low-temperature shaping phase change material which are sequentially arranged from outside to inside; the Stirling refrigerator system comprises a Stirling refrigerator, a Stirling refrigerator cold finger, an electric control module and a heat radiation fan; the temperature equalizing system comprises a heat conduction temperature equalizing plate arranged at the top part in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat conduction temperature equalization plate is connected between the cold finger of the Stirling refrigerator and the low-temperature pulsating heat pipe. The refrigerator has the characteristics of small volume, good heat preservation effect, refrigeration Wen Ouan and accordance with the vehicle-mounted application working condition, and solves the heat insulation problem of the existing Stirling low-temperature refrigerator in the vehicle-mounted application working condition in small spaces and the like.
Description
Technical Field
The invention relates to the technical field of deep low-temperature refrigerators, in particular to a vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator.
Background
With the continuous development of biomedical industry, more and more biomedical samples need to be stored at a deep low temperature, namely below-70 ℃. At present, the cryogenic refrigerator Leng Lian is subjected to a process from scratch, and lacks a vehicle-mounted cryogenic refrigerator for storing and delivering the refrigerator in the last kilometer due to limited technical conditions.
Limited by the vehicle-mounted working condition, the cryogenic refrigerator has extremely high requirements on the geometric dimension thereof. At present, two types of deep low-temperature refrigerators mainly exist, one type is a conventional deep low-temperature refrigerator based on cascade compression circulation, but is limited by the refrigeration principle, and the refrigerator has a complex structure, large volume and narrow temperature area, and is not suitable for vehicle-mounted working conditions essentially; the other is a cryogenic refrigerator based on a Stirling refrigerator, but the volume of the cryogenic refrigerator is relatively large, the heat insulation layer is usually made of polyurethane foam materials, the heat insulation effect is poor, and most of the cryogenic refrigerator can only maintain the temperature of minus 30 ℃ to minus 40 ℃.
The vehicle-mounted cryogenic refrigerator is required to have the characteristics of miniaturization, reliable structure, adaptation to short-time power failure and the like, and higher requirements are put forward on the structural design, particularly the heat insulation structural design, of the vehicle-mounted cryogenic refrigerator. Therefore, the existing cryogenic refrigerator is not suitable for the vehicle-mounted working condition with extremely limited storage space because of the defects of large volume, poor heat preservation and narrow temperature area of the heat insulation material.
Disclosure of Invention
In view of the above, the invention provides a vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator, which has the characteristics of small volume, good heat preservation effect, refrigeration Wen Ouan and meeting the requirements of vehicle-mounted application working conditions, and solves the heat insulation problem of the existing Stirling cryogenic refrigerator in vehicle-mounted and other small-space application working conditions.
The invention adopts the following specific technical scheme:
a vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator comprises a refrigerator body, a Stirling refrigerator system and a temperature equalizing system;
the refrigerator body comprises a shell and a composite heat insulation layer arranged on the inner side surface of the shell; a freezing cavity is formed in the composite heat insulation layer; the composite heat insulation layer comprises a high-temperature shaping phase change material, a porous aerogel material, a vacuum heat insulation plate, a porous aerogel material and a low-temperature shaping phase change material which are sequentially arranged from outside to inside;
the Stirling refrigerator system comprises a Stirling refrigerator, a Stirling refrigerator cold finger, an electric control module and a heat radiation fan; the Stirling refrigerator, the heat radiation fan and the electronic control module are all arranged at the top of the refrigerator body; the top of the cold finger of the Stirling refrigerator is connected with the Stirling refrigerator, and the bottom of the cold finger penetrates through the composite heat insulation layer and then stretches into the freezing cavity to transfer cold generated by the Stirling refrigerator into the freezing cavity; the electronic control module is connected with the Stirling refrigerator and the heat dissipation fan and used for adjusting the operating power of the Stirling refrigerator and the heat dissipation fan; the heat radiation fan is used for exhausting waste heat generated by the Stirling refrigerator;
the temperature equalizing system comprises a heat conduction temperature equalizing plate arranged at the top part in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat conduction temperature equalization plate is connected between the cold finger of the Stirling refrigerator and the low-temperature pulsating heat pipe, and the heat conduction temperature equalization plate and the low-temperature pulsating heat pipe are used for uniformly distributing the cold quantity transferred by the cold finger of the Stirling refrigerator into the freezing cavity.
Furthermore, the high-temperature shaping phase-change material, the porous aerogel material, the vacuum insulation panel, the porous aerogel material and the low-temperature shaping phase-change material are sequentially bonded and connected.
Furthermore, the high-temperature shaping phase change material and the low-temperature shaping phase change material are both prepared by compositing a porous aerogel material with low heat conduction with a low-temperature cold storage material.
Further, the phase transition temperature of the high temperature shaped phase change material is higher than the phase transition temperature of the low temperature shaped phase change material.
Further, the heat-conducting temperature-equalizing plate is made of a metal material.
Further, the heat-conducting temperature equalizing plate is made of copper or aluminum.
The beneficial effects are that:
the vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator adopts a Stirling refrigerator as a cold source of the cryogenic refrigerator, and the refrigerator body adopts a composite heat insulation layer formed by a high-temperature shaping phase-change material, a porous aerogel material, a vacuum heat insulation plate, a porous aerogel material and a low-temperature shaping phase-change material which are sequentially arranged from outside to inside; the composite heat insulation layer can store the cold energy lost by the system, and can maintain the internal temperature stable when the power of the cryogenic refrigerator is cut off for a short time; the composite heat insulation layer adopts porous aerogel as a matrix material, the liquefied phase change material is filled into the air intake gel for pre-encapsulation, and the heat conductivity coefficient of the aerogel is smaller than that of a conventional polyurethane material, so that the composite heat insulation layer has better heat insulation capability and smaller thickness, and the heat insulation problem of the application working conditions of the existing Stirling low-temperature refrigerator in small spaces such as vehicles is solved. Meanwhile, the vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator is characterized in that a Stirling refrigerator system is arranged at the top of a freezing cavity, a temperature equalizing system is arranged in the freezing cavity, the Stirling refrigerator system is arranged at the top of a refrigerator body, a heat conduction temperature equalizing plate of the temperature equalizing system is arranged at the top of the freezing cavity, natural convection effect in the freezing cavity can be maximized, internal temperature uniformity is enhanced, and in addition, cold energy transmitted into the freezing cavity can be uniformly distributed into the freezing cavity through a low-temperature pulsating heat pipe arranged in the freezing cavity, so that temperature homogenization in the freezing cavity is realized, cold spots are prevented from occurring in the freezing cavity, and the temperature difference between the interior of the freezing cavity and the environment is increased.
The vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator with the structure has the characteristics of small volume, good heat preservation effect, refrigeration Wen Ouan and accordance with the requirements of vehicle-mounted application working conditions, and can solve the heat insulation problem of the existing Stirling cryogenic refrigerator in vehicle-mounted and other small-space application working conditions.
Drawings
FIG. 1 is a schematic diagram of the structure of a vehicle-mounted high-efficiency adiabatic Stirling cryogenic refrigerator of the present invention;
fig. 2 is a schematic structural view of a composite heat insulating layer of the vehicle-mounted high-efficiency adiabatic stirling cryogenic refrigerator of fig. 1.
Wherein, 1-shell, 2-composite heat insulation layer, 3-freezing chamber, 4-low temperature pulsation heat pipe, 5-heat conduction temperature equalizing plate, 6-Stirling refrigerator cold finger, 7-electric control module, 8-Stirling refrigerator, 9-heat radiation fan, 10-high temperature shaping phase change material, 11-vacuum heat insulation board, 12-low temperature shaping phase change material, 13-porous aerogel material
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the invention provides a vehicle-mounted efficient heat-insulating stirling cryogenic refrigerator, which is suitable for occasions with strict requirements on the size and heat insulating capability of the refrigerator, and is particularly suitable for vehicle-mounted working conditions; the refrigerator comprises a refrigerator body, a Stirling refrigerator 8 system and a temperature equalizing system;
the refrigerator body comprises a shell 1 and a composite heat insulation layer 2 arranged on the inner side surface of the shell 1; a freezing cavity 3 is formed in the composite heat insulation layer 2; as shown in the structure of fig. 2, the composite heat insulation layer 2 comprises a high-temperature shaping phase-change material 10, a porous aerogel material 13, a vacuum insulation panel 11, a porous aerogel material 13 and a low-temperature shaping phase-change material 12 which are sequentially arranged from outside to inside, namely, the composite heat insulation layer 2 is of a multi-layer structure, the vacuum insulation panel 11 is taken as a framework, the porous aerogel materials 13 are respectively bonded on two sides of the vacuum insulation panel 11, the high-temperature shaping phase-change material 10 is bonded on the outer side of the porous aerogel material 13 on one side, the low-temperature shaping phase-change material 12 is bonded on the outer side of the porous aerogel material 13 on the other side, the high-temperature shaping phase-change material 10 is bonded on the inner side surface of the shell 1, and the inner side of the low-temperature shaping phase-change material 12 forms a freezing cavity 3;
the Stirling refrigerator 8 system comprises a Stirling refrigerator 8, a Stirling refrigerator cold finger 6, an electric control module 7 and a heat radiation fan 9; as shown in the structure of fig. 1, the stirling cooler 8, the heat dissipation blower 9 and the electronic control module 7 are all arranged at the top of the refrigerator body; the top of the Stirling refrigerator cold finger 6 is connected with the Stirling refrigerator 8, and the bottom of the Stirling refrigerator cold finger passes through the composite heat insulation layer 2 and then stretches into the freezing cavity 3, so that cold energy generated by the Stirling refrigerator 8 is transmitted into the freezing cavity 3; the electronic control module 7 is connected with the Stirling refrigerator 8 and the heat dissipation fan 9 and is used for adjusting the operation power of the Stirling refrigerator 8 and the heat dissipation fan 9; the heat radiation fan 9 is used for exhausting waste heat generated by the Stirling refrigerator 8 and enabling the waste heat to enter the external environment;
the temperature equalizing system comprises a heat conduction temperature equalizing plate 5 arranged at the inner top of the freezing cavity 3 and a low-temperature pulsating heat pipe 4 arranged in the freezing cavity 3; the heat conduction temperature equalization plate 5 is connected between the cold finger 6 of the Stirling refrigerator and the low-temperature pulsating heat pipe 4, and the heat conduction temperature equalization plate 5 and the low-temperature pulsating heat pipe 4 are used for uniformly distributing the cold quantity transferred by the cold finger 6 of the Stirling refrigerator into the freezing cavity 3; the heat-conducting temperature equalizing plate 5 can be made of metal materials or other materials with good heat-conducting performance, such as: copper, aluminum, etc.
The vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator adopts the Stirling refrigerator 8 as a cold source of the cryogenic refrigerator, has the advantages of simple structure, small volume, long service life, high efficiency, environment friendliness, refrigeration Wen Ouan, low starting current and the like, and is suitable for vehicle-mounted application working conditions;
the refrigerator body adopts the composite heat insulation layer 2 formed by the high-temperature shaping phase-change material 10, the porous aerogel material 13, the vacuum heat insulation plate 11, the porous aerogel material 13 and the low-temperature shaping phase-change material 12 which are sequentially arranged from outside to inside, when the phase-change material reaches the phase-change temperature, the heat of sensible heat of the refrigerator body can be absorbed by nearly hundred times under the approximate isothermal condition, and meanwhile, the heat conductivity coefficient of the refrigerator body is smaller, so that the whole large temperature difference from the freezing chamber 3 to the environment can be divided into a plurality of small temperature difference areas, and the driving potential difference of system heat leakage is obviously reduced; the composite heat insulation layer can store the cold energy lost by the system, and can maintain the internal temperature stable when the power of the cryogenic refrigerator is cut off for a short time; the aerogel with porous pores is selected as a matrix material, the liquefied phase change material is filled into the air intake gel for pre-packaging, and the heat conductivity coefficient of the aerogel is smaller than that of a conventional polyurethane material, so that the aerogel has better heat insulation capability and smaller thickness, and the volume of the refrigerator can be reduced while ultra-efficient heat insulation is realized;
the heat conduction temperature equalization plate 5 and the low-temperature pulsating heat pipe 4 arranged in the freezing cavity 3 can uniformly distribute the cold quantity transferred by the cold finger 6 of the Stirling refrigerator into the freezing cavity 3, and the low-temperature pulsating heat pipe 4 which is integrated, good in temperature equalization and not influenced by the installation angle is adopted to transfer the cold quantity of the cold finger 6 of the Stirling refrigerator into the whole freezing cavity 3, so that the temperature equalization in the freezing cavity 3 is realized, the occurrence of cold points in the freezing cavity is prevented, and the temperature difference between the interior of the freezing cavity 3 and the environment is further increased; meanwhile, the cold finger 6 and the heat conduction temperature equalization plate 5 of the Stirling refrigerator are placed at the top of the freezing cavity 3, natural convection effect in the freezing cavity 3 can be maximized, and internal temperature uniformity is enhanced.
The vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator with the structure has the characteristics of small volume, good heat preservation effect, refrigeration Wen Ouan and accordance with the requirements of vehicle-mounted application working conditions, and can solve the heat insulation problem of the existing Stirling cryogenic refrigerator in vehicle-mounted and other small-space application working conditions.
In the actual preparation of the composite heat insulating layer 2, the high-temperature shaping phase change material 10, the porous aerogel material 13, the vacuum heat insulating plate 11, the porous aerogel material 13 and the low-temperature shaping phase change material 12 are sequentially bonded and connected. The high-temperature shaping phase change material 10 and the low-temperature shaping phase change material 12 are both prepared by compositing a low-temperature cold storage material with a porous aerogel material 13 with low heat conductivity. The phase transition temperature of the high temperature set phase change material 10 is higher than the phase transition temperature of the low temperature set phase change material 12.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator is characterized by comprising a refrigerator body, a Stirling refrigerator system and a temperature equalizing system;
the refrigerator body comprises a shell and a composite heat insulation layer arranged on the inner side surface of the shell; a freezing cavity is formed in the composite heat insulation layer; the composite heat insulation layer comprises a high-temperature shaping phase change material, a porous aerogel material, a vacuum heat insulation plate, a porous aerogel material and a low-temperature shaping phase change material which are sequentially arranged from outside to inside;
the high-temperature shaping phase-change material and the low-temperature shaping phase-change material are both prepared by compounding a porous aerogel material with low heat conduction with a low-temperature cold storage material, namely, porous aerogel is selected as a matrix material, and the liquefied phase-change material is filled with air-intake gel for pre-encapsulation to obtain the composite material;
the phase transition temperature of the high-temperature shaping phase-change material is higher than that of the low-temperature shaping phase-change material;
the Stirling refrigerator system comprises a Stirling refrigerator, a Stirling refrigerator cold finger, an electric control module and a heat radiation fan; the Stirling refrigerator, the heat radiation fan and the electronic control module are all arranged at the top of the refrigerator body; the top of the cold finger of the Stirling refrigerator is connected with the Stirling refrigerator, and the bottom of the cold finger penetrates through the composite heat insulation layer and then stretches into the freezing cavity to transfer cold generated by the Stirling refrigerator into the freezing cavity; the electronic control module is connected with the Stirling refrigerator and the heat dissipation fan and used for adjusting the operating power of the Stirling refrigerator and the heat dissipation fan; the heat radiation fan is used for exhausting waste heat generated by the Stirling refrigerator;
the temperature equalizing system comprises a heat conduction temperature equalizing plate arranged at the top part in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat conduction temperature equalization plate is connected between the cold finger of the Stirling refrigerator and the low-temperature pulsating heat pipe, and the heat conduction temperature equalization plate and the low-temperature pulsating heat pipe are used for uniformly distributing the cold quantity transferred by the cold finger of the Stirling refrigerator into the freezing cavity;
the high-temperature shaping phase-change material, the porous aerogel material, the vacuum insulation panel, the porous aerogel material and the low-temperature shaping phase-change material are sequentially bonded and connected.
2. The vehicle-mounted high-efficiency heat-insulating stirling cryogenic refrigerator of claim 1, wherein the heat-conducting and temperature-equalizing plate is made of a metal material.
3. The vehicle-mounted high-efficiency adiabatic stirling cryogenic refrigerator of claim 2, wherein the thermally conductive cold plate is made of copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337752.3A CN114136046B (en) | 2021-11-10 | 2021-11-10 | Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337752.3A CN114136046B (en) | 2021-11-10 | 2021-11-10 | Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator |
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| CN114136046A CN114136046A (en) | 2022-03-04 |
| CN114136046B true CN114136046B (en) | 2023-10-13 |
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| CN115031461B (en) * | 2022-05-26 | 2023-09-22 | 上海导向医疗系统有限公司 | Low-temperature cold sedimentation composite heat preservation system of low-temperature treatment system |
| CN115371356B (en) * | 2022-08-25 | 2023-06-16 | 北京航天试验技术研究所 | Mars surface oxygen liquefaction system and method adopting Stirling cryocooler |
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2021
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| DE2709670A1 (en) * | 1977-03-05 | 1978-09-07 | Bosch Siemens Hausgeraete | REFRIGERATED FURNITURE, IN PARTICULAR MULTI-TEMPERATURE REFRIGERATOR |
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| CN114136046A (en) | 2022-03-04 |
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