CN108302878B - Refrigerator device - Google Patents
Refrigerator device Download PDFInfo
- Publication number
- CN108302878B CN108302878B CN201810104545.5A CN201810104545A CN108302878B CN 108302878 B CN108302878 B CN 108302878B CN 201810104545 A CN201810104545 A CN 201810104545A CN 108302878 B CN108302878 B CN 108302878B
- Authority
- CN
- China
- Prior art keywords
- cold
- cold guide
- refrigerating
- communicated
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 239000002826 coolant Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
-
- 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
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
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 present invention provides a refrigerator device, comprising: the refrigerating part is used for generating cold energy and comprises at least two symmetrically arranged refrigerating machines; the two sides of the cold guide part are respectively connected with the refrigerating machine, and secondary refrigerant for taking away cold energy flows through the cold guide part; the secondary refrigerant pump is communicated with one end of the cold guide part and is used for providing secondary refrigerant; and the fridge box, including holding chamber and serpentine coil, hold the chamber and be used for holding and treat cold-stored article, serpentine coil supplies the secondary refrigerant to flow and treats cold-stored article with cold volume supply, and cold portion of leading contains: the refrigerator comprises a cold guide shell, a cold guide unit, a plurality of groups of cold guide channels, a liquid separating groove and a liquid collecting groove, wherein two sides of the cold guide shell are respectively connected with two refrigerators; the cold guide unit is arranged in the cold guide shell, is in contact with the Stirling refrigerator and takes away cold energy; the multiple groups of cold guide channels are arranged in the cold guide cavity and surrounded by the cold guide blocks, one end of each cold guide channel is communicated with the liquid separating groove, the other end of each cold guide channel is communicated with the snake-shaped coil pipe in the refrigerating box body, and cold energy is transmitted to the refrigerating box body.
Description
Technical Field
The invention relates to the technical field of refrigeration and cold storage, in particular to a refrigerating box device.
Background
In recent years, with rapid progress in the fields of biology, pharmacy, medical care, and the like, the demand for low-temperature refrigerators tends to increase year by year. The Stirling refrigerator as one small low temperature heat regenerating refrigerator has high efficiency at low temperature, no refrigerant pollution, wide refrigerating temperature range, low starting current, easy regulation of refrigerating capacity and other features, and thus has great superiority as the cold source for small capacity low temperature refrigerator.
However, in the movable cold chain box in the prior art, the cold end adapter is arranged outside the cold end of the Stirling refrigerator, and the cold end adapter is combined with the cold guide pipe to transmit the cold energy of the Stirling refrigerator into the box body; in addition, a single Stirling refrigerator is adopted as a cold source of the cold chain box, the shock absorption block is required to be arranged to absorb the shock of the refrigerator in the operation process, the mass of the shock absorption block is 0.1-0.3 times of that of the Stirling refrigerator, the mass of the whole refrigerator is increased, the increased mass does not improve the refrigerating capacity of the Stirling refrigerator, and the refrigerating capacity of the refrigerator with the same mass is reduced compared with that of the refrigerator with the same mass.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a refrigerator device.
The present invention provides a refrigerator device having the following features, comprising: the refrigerating part is used for generating cold energy and comprises at least two symmetrically arranged refrigerating machines; the two sides of the cold guide part are respectively connected with the refrigerating machine, and secondary refrigerant for taking away cold energy flows through the cold guide part; the secondary refrigerant pump is communicated with one end of the cold guide part and is used for providing secondary refrigerant; and fridge box, including holding chamber and serpentine coil, hold the chamber and be used for holding and treat cold-stored article, serpentine coil supplies secondary refrigerant to flow and treats cold-stored article with cold volume supply, and wherein, the refrigerator is the stirling refrigerator, and cold portion of leading contains: the Stirling refrigerator comprises a cold guide shell, a cold guide unit, a plurality of groups of cold guide channels, a liquid separating groove and a liquid collecting groove, wherein two sides of the cold guide shell are respectively connected with two Stirling refrigerators; the cold guide unit is arranged in the cold guide shell, is in contact with the Stirling refrigerator and takes away cold energy; the liquid separating tank is arranged at one end of the cold guide shell, is communicated with the coolant pump and is used for storing coolant; the multiple groups of cold guide channels are arranged in the cold guide shell and are surrounded by the cold guide units, one ends of the cold guide channels are communicated with the liquid separating groove, and the secondary refrigerant in the liquid separating groove is dispersed and the cold energy in the cold guide units is taken away; one end of the liquid collecting groove is communicated with the other ends of the multiple groups of cold guide channels, the other ends of the liquid collecting groove are communicated with the serpentine coil, secondary refrigerants in the multiple groups of cold guide channels are collected and flow to the serpentine coil, and cold energy is transmitted to the articles to be refrigerated.
The refrigerator device according to the present invention may further include: wherein, the cold conduction channel is 5 groups.
The refrigerator device according to the present invention may further include: wherein, each group of cold conduction channels comprises 8-12 cylindrical flow channels.
The refrigerator device according to the present invention may further include: wherein the aperture of the cylindrical flow passage is 1-3 mm.
The refrigerator device according to the present invention may further include: wherein, the distance between the central holes of two adjacent cylindrical runners is 5-9 mm.
The refrigerator device according to the present invention may further include: wherein, two adjacent groups of cold guide channels are arranged in a crossing way.
The refrigerator device according to the present invention may further include: wherein, the depth of the liquid separating groove and the liquid converging groove is 5-8 mm.
The refrigerator device according to the present invention may further include: wherein the secondary refrigerant is ice river refrigerant-1 with the concentration of 70 percent.
The refrigerator device according to the present invention may further include: wherein, lead the upper end and the lower extreme of cold casing and still be provided with upper cover plate and lower apron respectively, upper cover plate and lower apron all are provided with and adopt welded seal's communicating pipe.
The refrigerator device according to the present invention may further include: wherein, the cold conducting unit is made of copper material.
Action and Effect of the invention
According to the refrigerator device, the cold guide parts are symmetrically arranged between the Stirling refrigerators, so that the influence caused by vibration during the operation of the refrigerators is effectively eliminated, the corresponding shock absorption blocks are not required to be configured, and the refrigerating capacity of the refrigerator is increased compared with that of the refrigerator with the same quality with the shock absorption blocks.
In addition, the refrigerating medium is circulated through the multiple groups of cold guide channels arranged in the cold guide shell, and the refrigerating medium can be dispersed into the multiple cold guide channels due to the structure, so that the carried refrigerating capacity of the refrigerating medium is uniform, the uniform condensation of the refrigerating box body can be realized, and the condensation performance of the refrigerating box device is improved.
Drawings
FIG. 1 is a schematic diagram of a condenser apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cold conducting portion in an embodiment of the present invention;
FIG. 3 is an exploded view of a cold conductor in an embodiment of the invention;
FIG. 4 is a cross-sectional view of a cold conductor in an embodiment of the invention; and
fig. 5 is a schematic diagram of an arrangement of multiple sets of cold conduction channels according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a condenser apparatus according to an embodiment of the present invention. Wherein, the arrow direction in the figure is the flow direction of the coolant.
As shown in fig. 1, the cooler device 100 is used for cooling items and includes a cooling portion 10, a cooling conducting portion 20, a coolant pump 30, and a cooler housing 40.
The refrigerating section 10 includes at least two symmetrically disposed stirling cryocoolers 11. In this embodiment, the number of the stirling cryocoolers 11 is two, and in practical applications, four stirling cryocoolers symmetrically arranged may be provided according to actual needs.
FIG. 2 is a schematic structural view of a cold conducting portion in an embodiment of the present invention; FIG. 3 is an exploded view of a cold conductor in an embodiment of the invention; fig. 4 is a sectional view of a cold conductor in an embodiment of the invention. Wherein, the arrow direction in the figure is the flow direction of the coolant.
As shown in fig. 2 to 4, two sides of the cold guide part 20 are respectively connected to the two stirling cryocoolers through a plurality of threads 21, and the cold guide part includes a cold guide housing 22, a cold guide unit 23, a lower cover plate 24, a liquid separating tank 25, a plurality of cold guide channels 26, a liquid collecting tank 27 and an upper cover plate 28.
Both sides of the cold-guiding housing 22 are provided with grooves 221 for matching with the cold head 111 of the stirling cooler 11.
The cold conducting unit 23 is disposed in the cold conducting housing 22, and is in close contact with the inner wall surface of the groove 221, for taking away the cold energy of the cold head 111. The cold conducting unit 23 is a cold conducting copper block. Is prepared from red copper with high heat conductivity coefficient.
The lower cover plate 24 is disposed at the lower end of the cold guide housing 22, and a lower through pipe 242 is disposed in the middle through the lower pipe connection 241. The lower end of the lower through-pipe 242 communicates with the coolant pump 30. The down flow tube 242 is a copper tube. Is prepared from red copper with high heat conductivity coefficient.
The liquid separation tank 25 is provided at an upper end of an inner side of the lower cover plate 24 to store the coolant. The depth of the liquid separating tank is 5-8 mm.
Fig. 5 is a schematic diagram of an arrangement of multiple sets of cold conduction channels according to an embodiment of the present invention.
As shown in fig. 5, the multiple sets of cold guide channels 26 are communicated with the upper end of the liquid separating tank 25 and are used for separating the refrigerating medium in the liquid separating tank 25. The plurality of sets of cold conduction channels 26 are surrounded by the cold conduction units 23. In this embodiment, the plurality of sets of cold conduction channels 26 are 5 sets of cold conduction channels, each set of cold conduction channels includes 8 to 12 cylindrical flow channels 261, and the diameter of the cylindrical flow channels 261 is smaller than that of the cylindrical flow channels 261Is-3 mm, and the center hole distance L of two adjacent cylindrical runners 261 is-9 mm. Two adjacent groups of cold guide channels 26 are arranged in a longitudinally crossed mode.
The lower end of the liquid collecting tank 27 is communicated with the multiple groups of cold guide channels 26 and is used for collecting the secondary refrigerant in the multiple groups of cold guide channels 26.
The upper cover plate 28 is provided at the upper end of the cooling guide housing 22, and an upper circulation pipe 282 is provided in the middle through an upper pipe connection 281. The upper end of the upper circulation pipe 282 communicates with the refrigerating case body 40. The up flow tube 282 is a copper tube. Is prepared from red copper with high heat conductivity coefficient.
As shown in fig. 1, the coolant pump 30 is used to provide coolant, and one end of the coolant pump is connected to the lower end of the lower through pipe 242, and the coolant is a glacier coolant, which is a type of glacier LM-1.
The cooler box 40 includes a receiving cavity 41 and a serpentine coil 42.
The receiving chamber 41 is used for receiving an article to be refrigerated.
The serpentine coil 42 is in contact with the side of the chamber 41 remote from the product to be refrigerated and communicates at one end with the up flow pipe 282 and at the other end with the coolant pump 30.
The refrigerator compartment apparatus 100 operates on the principle of: the two Stirling refrigerators 11 operate to generate cold energy, the cold guide unit 23 contacts with the cold head 111 of the Stirling refrigerator 11 and takes away the cold energy generated by the Stirling refrigerator 11, the cylindrical flow channel 261 is enclosed in the cold guide unit 23 and internally circulates with secondary refrigerant, the secondary refrigerant takes away the cold energy in the cold guide unit 23 and flows into the snake-shaped coil pipe 42, and the cold energy is released into the accommodating cavity 41.
Effects and effects of the embodiments
According to the refrigerator device in the embodiment, the cold guide parts are symmetrically arranged between the two Stirling refrigerators, so that the influence caused by vibration during operation of the refrigerators is effectively eliminated, the corresponding shock absorption blocks are not required to be configured, and the refrigerating capacity of the refrigerator is increased compared with that of the refrigerator with the same quality with the shock absorption blocks.
In addition, the refrigerating medium is circulated through the multiple groups of cold guide channels arranged in the cold guide shell, and the refrigerating medium can be dispersed into the multiple cold guide channels due to the structure, so that the carried refrigerating capacity of the refrigerating medium is uniform, the uniform condensation of the refrigerating box body can be realized, and the condensation performance of the refrigerating box device is improved.
In addition, the depths of the liquid separating tank and the liquid collecting tank are both 5-8 mm, so that the problem that the flow of each cylindrical flow channel cannot be uniform due to the fact that the depths are too small can be avoided, the situation that the depths are too deep and the length of the cylindrical flow channel is shortened can be avoided, and therefore the problem that the heat exchange effect is reduced due to the fact that the contact heat exchange area of the secondary refrigerant and the cold guide unit is reduced.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (7)
1. A cooler assembly, comprising:
the refrigerating part is used for generating cold energy and comprises at least two symmetrically arranged refrigerating machines;
the two sides of the cold guide part are respectively connected with the refrigerating machines, and secondary refrigerants for taking away the cold quantity flow through the cold guide part;
the cold-carrying agent pump is communicated with one end of the cold guide part and is used for providing the cold-carrying agent; and
the refrigerating box body comprises an accommodating cavity and a serpentine coil, the accommodating cavity is used for accommodating articles to be refrigerated, the serpentine coil is used for the secondary refrigerant to flow and supplying the cold energy to the articles to be refrigerated,
wherein the refrigerator is a Stirling refrigerator,
the cold-conducting part includes: a cold guide shell, a cold guide unit, a plurality of cold guide channels, a liquid separating groove and a liquid collecting groove,
two sides of the cold guide shell are respectively connected with the two Stirling refrigerators;
the cold guide unit is arranged in the cold guide shell, is in contact with the Stirling refrigerator and takes away the cold quantity;
the liquid dividing tank is arranged at one end of the cold guide shell, is communicated with the coolant pump and is used for storing the coolant;
the multiple groups of cold guide channels are arranged in the cold guide shell and are surrounded by the cold guide units, one ends of the cold guide channels are communicated with the liquid separating groove, and the secondary refrigerant in the liquid separating groove is dispersed and the cold energy in the cold guide units is taken away; two adjacent groups of the cold guide channels are arranged in a crossed way,
each group of cold guide channels comprises 8-12 cylindrical flow channels,
one end of the liquid collecting groove is communicated with the other ends of the plurality of groups of cold guide channels, the other end of the liquid collecting groove is communicated with the serpentine coil pipe, the secondary refrigerants in the plurality of groups of cold guide channels are collected and flow to the serpentine coil pipe, and the cold quantity is transmitted to the articles to be refrigerated,
the depth of the liquid dividing tank and the depth of the liquid converging tank are both 5-8 mm.
2. The cooler assembly of claim 1, wherein:
wherein, the cold guide channel is 5 groups.
3. The cooler assembly of claim 1, wherein:
wherein the aperture of the cylindrical flow channel is 1-3 mm.
4. The cooler assembly of claim 1, wherein:
wherein, the distance between the central holes of two adjacent cylindrical runners is 5-9 mm.
5. The cooler assembly of claim 1, wherein:
wherein the secondary refrigerant is ice river refrigerant-1 with the concentration of 70 percent.
6. The cooler assembly of claim 1, wherein:
the upper end and the lower end of the cold guide shell are respectively provided with an upper cover plate and a lower cover plate, and the upper cover plate and the lower cover plate are respectively provided with a communication pipe sealed by welding.
7. The cooler assembly of claim 1, wherein:
wherein, the cold guide unit is made of copper materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810104545.5A CN108302878B (en) | 2018-02-02 | 2018-02-02 | Refrigerator device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810104545.5A CN108302878B (en) | 2018-02-02 | 2018-02-02 | Refrigerator device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108302878A CN108302878A (en) | 2018-07-20 |
CN108302878B true CN108302878B (en) | 2020-11-03 |
Family
ID=62864166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810104545.5A Active CN108302878B (en) | 2018-02-02 | 2018-02-02 | Refrigerator device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108302878B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110274406B (en) * | 2019-06-28 | 2021-05-11 | 上海理工大学 | Cold head structure and split type free piston Stirling refrigerating machine |
CN110274407A (en) * | 2019-06-28 | 2019-09-24 | 上海理工大学 | A kind of split type sterlin refrigerator with novel cold head structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002213832A (en) * | 2001-01-18 | 2002-07-31 | Sharp Corp | Cooling device |
CN1481491A (en) * | 2000-10-25 | 2004-03-10 | ���չ�˾ | Stirling refrigerting system and cooling chamber with refrigerating system |
CN103353184A (en) * | 2013-07-29 | 2013-10-16 | 中国科学院理化技术研究所 | Linear type double-acting refrigeration system |
CN204085014U (en) * | 2014-07-31 | 2015-01-07 | 青岛海尔智能技术研发有限公司 | Fridge-freezer |
CN205014668U (en) * | 2015-09-29 | 2016-02-03 | 宁波荣捷特机械制造有限公司 | Cold volume derivation system of stirling refrigerator |
CN105466107A (en) * | 2014-07-31 | 2016-04-06 | 青岛海尔智能技术研发有限公司 | Freezing and cold storage device and control method |
-
2018
- 2018-02-02 CN CN201810104545.5A patent/CN108302878B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1481491A (en) * | 2000-10-25 | 2004-03-10 | ���չ�˾ | Stirling refrigerting system and cooling chamber with refrigerating system |
JP2002213832A (en) * | 2001-01-18 | 2002-07-31 | Sharp Corp | Cooling device |
CN103353184A (en) * | 2013-07-29 | 2013-10-16 | 中国科学院理化技术研究所 | Linear type double-acting refrigeration system |
CN204085014U (en) * | 2014-07-31 | 2015-01-07 | 青岛海尔智能技术研发有限公司 | Fridge-freezer |
CN105466107A (en) * | 2014-07-31 | 2016-04-06 | 青岛海尔智能技术研发有限公司 | Freezing and cold storage device and control method |
CN205014668U (en) * | 2015-09-29 | 2016-02-03 | 宁波荣捷特机械制造有限公司 | Cold volume derivation system of stirling refrigerator |
Also Published As
Publication number | Publication date |
---|---|
CN108302878A (en) | 2018-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108302878B (en) | Refrigerator device | |
KR20090019322A (en) | Ice maker and refrigerator having this | |
CA2467692A1 (en) | Heat exchanger assembly and heat exchange manifold | |
CN107110589A (en) | Refrigerator | |
JP3602823B2 (en) | Pulsating tube refrigerator | |
CN210292461U (en) | Ice making evaporator | |
CN112673219B (en) | Magnetic refrigeration assembly | |
CN117096497A (en) | Energy storage cooling system based on immersed non-flowing liquid cold and heat management technology | |
CN218495392U (en) | Refrigeration appliance | |
CN108019969B (en) | Cold end device for refrigerator | |
CN106766321B (en) | A kind of vascular refrigerator using novel phase modulating mechanism | |
US2292803A (en) | Evaporator for refrigerating machines | |
CN204084932U (en) | Separate unit linear compressor drives the structure of two coaxial pulse-tube cold fingers | |
CN111511161B (en) | Cooling system of magnetic resonance equipment and magnetic resonance equipment | |
CN108036576B (en) | Refrigerator cold-conducting device combined with pulsating heat pipe | |
CN203771764U (en) | Compact coupled inertia tube type high-frequency U-shaped pulse tube refrigerating machine | |
CN108168155B (en) | Condenser for refrigeration equipment, refrigeration system and refrigeration equipment | |
RU2661363C1 (en) | Device for low-temperature cooling | |
CN208520231U (en) | Flat heat exchanger and refrigerating plant | |
CN217464938U (en) | Cold head structure for Stirling refrigerator | |
CN220038835U (en) | Refrigerating apparatus | |
CN220321652U (en) | Heat pipe cold-conducting device of refrigerator and free piston Stirling refrigerator | |
CN219014726U (en) | Heat exchange assembly of immersion liquid freezing machine | |
CN219368102U (en) | Tube picking device | |
CN204115291U (en) | Liquid semiconductor cooling heat exchange module and high-power liquid semiconductor refrigerated heat exchanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |