CN114136046A - Vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator - Google Patents
Vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator Download PDFInfo
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- CN114136046A CN114136046A CN202111337752.3A CN202111337752A CN114136046A CN 114136046 A CN114136046 A CN 114136046A CN 202111337752 A CN202111337752 A CN 202111337752A CN 114136046 A CN114136046 A CN 114136046A
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- 238000009413 insulation Methods 0.000 title claims abstract description 56
- 238000007710 freezing Methods 0.000 claims abstract description 41
- 230000008014 freezing Effects 0.000 claims abstract description 41
- 239000012782 phase change material Substances 0.000 claims abstract description 40
- 239000004964 aerogel Substances 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000007493 shaping process Methods 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 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
- 238000013329 compounding Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000011232 storage material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation 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
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming 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
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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
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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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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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
- 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
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- 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 efficient heat insulation Stirling deep low-temperature refrigerator, which comprises a refrigerator body, a Stirling refrigerator system and a temperature equalizing system, wherein the refrigerator body is provided with a heat insulation chamber; the refrigerator body comprises a shell and a composite heat insulation layer; a freezing cavity is formed in the composite heat insulating 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 dissipation fan; the temperature equalizing system comprises a heat-conducting temperature equalizing plate arranged at the top in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat-conducting temperature-equalizing 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 insulation effect, wide refrigeration temperature area and accordance with vehicle-mounted application working conditions, and solves the heat insulation problem of the existing Stirling low-temperature refrigerator in the vehicle-mounted and other small-space application working conditions.
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 the biomedical industry, more and more biomedical samples need to be stored at cryogenic temperatures, i.e., below-70 ℃. At present, the cryogenic cold chain is going through the process from scratch, and the vehicle-mounted cryogenic refrigerator for storage and distribution in the last kilometer is lacked due to the limited technical conditions.
The deep low temperature refrigerator has extremely high requirements on the geometric dimension of the deep low temperature refrigerator due to the limitation of vehicle-mounted working conditions. At present, two types of deep low temperature refrigerators mainly exist, one type is a conventional deep low temperature refrigerator based on cascade compression cycle, but the conventional deep low temperature refrigerator is limited by the refrigeration principle, has a complex structure, a large volume and a narrow temperature zone, and is not suitable for vehicle-mounted working conditions essentially; the other is a deep low temperature refrigerator based on a Stirling refrigerator, but the volume of the refrigerator is relatively large, the heat insulation layer is usually made of polyurethane foaming materials, the heat insulation effect is poor, and the temperature of-30 ℃ to-40 ℃ can be maintained mostly.
The vehicle-mounted deep low-temperature refrigerator needs to have the characteristics of miniaturization, reliable structure, short-time power failure adaptation and the like, and higher requirements are put forward on the structural design of the vehicle-mounted low-temperature refrigerator, particularly the heat insulation structural design. Therefore, the existing deep low temperature refrigerator is not suitable for the vehicle-mounted working condition with extremely limited storage space due to the defects of large volume, poor heat preservation and narrow temperature zone of the heat insulating material.
Disclosure of Invention
In view of the above, the invention provides a vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator, which has the characteristics of small volume, good heat insulation effect, wide refrigeration temperature area and accordance with the requirements of vehicle-mounted application working conditions, and solves the heat insulation problem of the existing Stirling low-temperature refrigerator in the vehicle-mounted small space application working conditions.
The invention adopts the following specific technical scheme:
a vehicle-mounted efficient heat insulation Stirling deep low-temperature 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 insulating 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 dissipation fan; the Stirling refrigerator, the heat dissipation fan and the electric 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 of the Stirling refrigerator penetrates through the composite heat insulation layer and then extends into the freezing cavity for transmitting cold energy generated by the Stirling refrigerator into the freezing cavity; the electric control module is connected with the Stirling refrigerator and the heat dissipation fan and is used for adjusting the operating power of the Stirling refrigerator and the heat dissipation fan; the heat dissipation fan is used for discharging waste heat generated by the Stirling refrigerator;
the temperature equalizing system comprises a heat-conducting temperature equalizing plate arranged at the top in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat-conducting temperature-equalizing plate is connected between the cold finger of the Stirling refrigerator and the low-temperature pulsating heat pipe, and the heat-conducting temperature-equalizing plate and the low-temperature pulsating heat pipe are used for uniformly distributing cold energy transmitted 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 compounding a porous aerogel material with low heat conduction with a low-temperature cold storage material.
Furthermore, the phase transition temperature of the high-temperature setting phase-change material is higher than that of the low-temperature setting phase-change material.
Furthermore, the heat-conducting temperature-uniforming plate is made of a metal material.
Furthermore, the heat-conducting temperature-uniforming plate is made of copper or aluminum.
Has the advantages that:
the vehicle-mounted efficient heat insulation Stirling deep low-temperature refrigerator adopts the Stirling refrigerator as a cold source of the deep low-temperature refrigerator, the refrigerator body adopts the composite heat insulation layer formed by the high-temperature shaping phase change material, the porous aerogel material, the vacuum heat insulation plate, the porous aerogel material and the low-temperature shaping phase change material which are sequentially arranged from outside to inside, and the composite heat insulation layer based on the multilayer composite phase change cold accumulation method can absorb nearly one hundred times of heat of self sensible heat under the approximate isothermal condition when the phase change material reaches the phase change temperature, has smaller heat conductivity coefficient, can divide the integral large temperature difference from a freezing cavity to the environment into a plurality of small temperature difference areas, and obviously reduces the driving potential difference of heat leakage of a system; the composite heat insulation layer can store the cooling capacity lost by the system, and can maintain the internal temperature to be stable when the deep low-temperature refrigerator is powered off for a short time; the composite heat insulation layer uses porous aerogel as a matrix material, the liquefied phase change material is filled with the aerogel for pre-packaging, 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 condition of the existing Stirling low-temperature refrigerator in small spaces such as a vehicle is solved. Meanwhile, the vehicle-mounted efficient heat insulation Stirling cryogenic refrigerator is characterized in that the Stirling refrigerator system is arranged at the top of the freezing cavity, the temperature equalizing system is arranged in the freezing cavity, the Stirling refrigerator system is arranged at the top of the refrigerator body, and the heat conduction temperature equalizing plate of the temperature equalizing system is arranged at the top in the freezing cavity, so that the natural convection effect in the freezing cavity can be maximized, the internal temperature uniformity is enhanced, in addition, the transmitted cold quantity can be uniformly distributed into the freezing cavity through the low-temperature pulsating heat pipe arranged in the freezing cavity, the temperature equalization in the freezing cavity is realized, the cold point in the freezing cavity is prevented, and the temperature difference between the interior of the freezing cavity and the environment is increased.
The vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator with the structure has the characteristics of small volume, good heat insulation effect, wide refrigeration temperature area and accordance with the requirements of vehicle-mounted application working conditions, and can solve the heat insulation problem of the conventional Stirling low-temperature refrigerator in the vehicle-mounted small space application working conditions and the like.
Drawings
FIG. 1 is a schematic structural diagram of a vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator;
fig. 2 is a schematic structural diagram of the composite heat insulating layer of the vehicle-mounted efficient heat insulating Stirling deep low temperature refrigerator in fig. 1.
The heat-insulation composite material comprises a shell 1, a composite heat-insulation layer 2, a freezing cavity 3, a low-temperature pulsating heat pipe 4, a heat-conduction temperature-equalizing plate 5, a Stirling refrigerator cold finger 6, an electronic control module 7, a Stirling refrigerator 8, a heat-dissipation fan 9, a high-temperature setting phase-change material 10, a vacuum heat-insulation plate 11, a low-temperature setting phase-change material 12 and a porous aerogel material 13
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1 and 2, the embodiment of the invention provides a vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator which is suitable for occasions with strict requirements on the size and heat insulation capacity 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 insulating layer 2; as shown in the structure of fig. 2, the composite heat insulating layer 2 includes a high-temperature-setting phase-change material 10, a porous aerogel material 13, a vacuum heat insulating plate 11, a porous aerogel material 13, and a low-temperature-setting phase-change material 12, which are sequentially disposed from outside to inside, that is, the composite heat insulating layer 2 is a multi-layer structure, the vacuum heat insulating plate 11 is used as a framework, the porous aerogel material 13 is respectively bonded to two sides of the vacuum heat insulating plate 11, the high-temperature-setting phase-change material 10 is bonded to the outer side of the porous aerogel material 13 on one side, the low-temperature-setting phase-change material 12 is bonded to the outer side of the porous aerogel material 13 on the other side, the high-temperature-setting phase-change material 10 is bonded to the inner side of the housing 1, and the inner side of the low-temperature-setting phase-change material 12 forms the freezing chamber 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 dissipation fan 9; as shown in the structure of fig. 1, the stirling refrigerator 8, the heat dissipation fan 9 and the electronic control module 7 are all arranged at the top of the refrigerator body; the top of the cold finger 6 of the Stirling refrigerator is connected with the Stirling refrigerator 8, and the bottom of the cold finger passes through the composite heat insulation layer 2 and then extends into the freezing cavity 3 for transmitting cold energy generated by the Stirling refrigerator 8 into the freezing cavity 3; the electric control module 7 is connected with the Stirling refrigerator 8 and the heat dissipation fan 9 and is used for adjusting the operating power of the Stirling refrigerator 8 and the heat dissipation fan 9; the heat radiation fan 9 is used for discharging waste heat generated by the Stirling refrigerator 8 and enabling the waste heat to enter an external environment;
the temperature equalizing system comprises a heat-conducting temperature equalizing plate 5 arranged at the top in the freezing cavity 3 and a low-temperature pulsating heat pipe 4 arranged in the freezing cavity 3; the heat-conducting temperature-equalizing plate 5 is connected between the cold finger 6 of the Stirling refrigerator and the low-temperature pulsating heat pipe 4, and the heat-conducting temperature-equalizing plate 5 and the low-temperature pulsating heat pipe 4 are used for uniformly distributing cold energy transmitted by the cold finger 6 of the Stirling refrigerator into the freezing cavity 3; the heat-conducting temperature-uniforming plate 5 can be made of metal materials or other materials with good heat-conducting property, such as: copper, aluminum, and the like.
The vehicle-mounted efficient heat insulation Stirling deep low-temperature refrigerator adopts the Stirling refrigerator 8 as a cold source of the deep low-temperature refrigerator, has the advantages of simple structure, small volume, long service life, high efficiency, environmental protection, wide refrigeration temperature area, low starting current and the like, and is suitable for vehicle-mounted application working conditions;
because the refrigerator body adopts the composite heat insulating layer 2 consisting of 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 which are sequentially arranged from outside to inside, when the phase-change material reaches the phase-change temperature, the composite heat insulating layer can absorb the heat which is nearly hundreds of times of sensible heat of the composite heat insulating layer under the approximate isothermal condition, and meanwhile, the heat conductivity coefficient of the composite heat insulating layer is small, so that the whole large temperature difference from the freezing cavity 3 to the environment can be divided into a plurality of small temperature difference areas, and the driving potential difference of heat leakage of the system is obviously reduced; the composite heat insulation layer can store the cooling capacity lost by the system, and can maintain the internal temperature to be stable when the deep low-temperature refrigerator is powered off for a short time; porous aerogel is used as a matrix material, the liquefied phase-change material is filled into the aerogel for pre-packaging, and the thermal conductivity 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 cold quantity transmitted by the cold finger 6 of the Stirling refrigerator can be uniformly distributed into the freezing cavity 3 through the heat-conducting temperature-equalizing plate 5 and the low-temperature pulsating heat pipe 4 which are arranged in the freezing cavity 3, the cold quantity of the cold finger 6 of the Stirling refrigerator is transmitted to the inside of the whole freezing cavity 3 through the low-temperature pulsating heat pipe 4 which is integrated, has good temperature-equalizing property and is not influenced by the installation angle, the temperature homogenization in the freezing cavity 3 is realized, the cold spot in the inside is prevented, and the temperature difference between the inside of the freezing cavity 3 and the environment is increased; meanwhile, the cold finger 6 and the heat-conducting temperature-equalizing plate 5 of the Stirling refrigerator are placed at the top of the freezing cavity 3, so that the natural convection effect in the freezing cavity 3 can be maximized, and the internal temperature uniformity is enhanced.
The vehicle-mounted efficient heat-insulation Stirling deep low-temperature refrigerator with the structure has the characteristics of small volume, good heat insulation effect, wide refrigeration temperature area and accordance with the requirements of vehicle-mounted application working conditions, and can solve the heat insulation problem of the conventional Stirling low-temperature refrigerator in the vehicle-mounted small space application working conditions and the like.
When actually preparing 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 compounding a porous aerogel material 13 with low heat conductivity with a low-temperature cold storage material. The phase transition temperature of the high temperature shape-stabilized phase change material 10 is higher than the phase transition temperature of the low temperature shape-stabilized phase change material 12.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A vehicle-mounted efficient heat insulation Stirling deep low-temperature 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 insulating 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 dissipation fan; the Stirling refrigerator, the heat dissipation fan and the electric 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 of the Stirling refrigerator penetrates through the composite heat insulation layer and then extends into the freezing cavity for transmitting cold energy generated by the Stirling refrigerator into the freezing cavity; the electric control module is connected with the Stirling refrigerator and the heat dissipation fan and is used for adjusting the operating power of the Stirling refrigerator and the heat dissipation fan; the heat dissipation fan is used for discharging waste heat generated by the Stirling refrigerator;
the temperature equalizing system comprises a heat-conducting temperature equalizing plate arranged at the top in the freezing cavity and a low-temperature pulsating heat pipe arranged in the freezing cavity; the heat-conducting temperature-equalizing plate is connected between the cold finger of the Stirling refrigerator and the low-temperature pulsating heat pipe, and the heat-conducting temperature-equalizing plate and the low-temperature pulsating heat pipe are used for uniformly distributing cold energy transmitted by the cold finger of the Stirling refrigerator into the freezing cavity.
2. The vehicle-mounted high-efficiency heat-insulating Stirling deep cryogenic refrigerator according to claim 1, wherein the high-temperature-shaped phase-change material, the porous aerogel material, the vacuum heat insulation plate, the porous aerogel material and the low-temperature-shaped phase-change material are sequentially bonded and connected.
3. The vehicle-mounted high-efficiency adiabatic Stirling cryogenic refrigerator according to claim 2, wherein the high-temperature-setting phase-change material and the low-temperature-setting phase-change material are both prepared by compounding a porous aerogel material with low thermal conductivity and a low-temperature cold storage material.
4. The vehicle-mounted high-efficiency heat-insulating Stirling deep low-temperature refrigerator according to claim 3, wherein 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.
5. The vehicle-mounted high-efficiency heat-insulating Stirling deep low-temperature refrigerator according to any one of claims 1 to 4, wherein the heat-conducting temperature-equalizing plate is made of a metal material.
6. The vehicle-mounted high-efficiency heat-insulating Stirling deep low-temperature refrigerator according to claim 5, wherein the heat-conducting temperature-equalizing plate is made of copper or aluminum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111337752.3A CN114136046B (en) | 2021-11-10 | 2021-11-10 | Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator |
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| CN202111337752.3A CN114136046B (en) | 2021-11-10 | 2021-11-10 | Vehicle-mounted high-efficiency heat-insulation Stirling cryogenic refrigerator |
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| CN114136046A true CN114136046A (en) | 2022-03-04 |
| CN114136046B CN114136046B (en) | 2023-10-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115031461A (en) * | 2022-05-26 | 2022-09-09 | 上海导向医疗系统有限公司 | Low-temperature treatment system low-temperature cold-sinking combined type heat preservation system |
| CN115371356A (en) * | 2022-08-25 | 2022-11-22 | 北京航天试验技术研究所 | Mars surface oxygen liquefaction system and method adopting Stirling low-temperature cooler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115031461A (en) * | 2022-05-26 | 2022-09-09 | 上海导向医疗系统有限公司 | Low-temperature treatment system low-temperature cold-sinking combined type heat preservation system |
| 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 |
| CN115371356A (en) * | 2022-08-25 | 2022-11-22 | 北京航天试验技术研究所 | Mars surface oxygen liquefaction system and method adopting Stirling low-temperature cooler |
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| CN114136046B (en) | 2023-10-13 |
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