CN107166798B - Direct cooling type magnetic refrigeration equipment - Google Patents
Direct cooling type magnetic refrigeration equipment Download PDFInfo
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- CN107166798B CN107166798B CN201710412092.8A CN201710412092A CN107166798B CN 107166798 B CN107166798 B CN 107166798B CN 201710412092 A CN201710412092 A CN 201710412092A CN 107166798 B CN107166798 B CN 107166798B
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 182
- 238000005057 refrigeration Methods 0.000 title claims abstract description 70
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 25
- 238000009833 condensation Methods 0.000 claims abstract description 25
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 230000008020 evaporation Effects 0.000 claims abstract description 25
- 238000004321 preservation Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 33
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides direct cooling type magnetic refrigeration equipment, which comprises a heat preservation box body and a magnetic refrigeration assembly, wherein a heat conduction inner container is arranged in the heat preservation box body, and the magnetic refrigeration assembly comprises a magnetic field system; valve components capable of being switched are respectively arranged between the magnetic effect pipe section and the condensation pipe section and between the magnetic effect pipe section and the evaporation pipe section; the condensation pipe section is attached to the heat-conducting inner container, and the evaporation pipe section is positioned outside the heat-insulating box body. The heat transfer efficiency of the magnetic refrigeration equipment is improved so as to improve the refrigeration efficiency.
Description
Technical Field
The invention relates to a refrigerating device, in particular to direct-cooling type magnetic refrigerating equipment.
Background
At present, refrigeration equipment (such as a refrigerator, a freezer and a wine cabinet) is a common electric appliance in daily life of people, and a refrigeration system is usually arranged in the refrigeration equipment, and generally consists of a compressor, a condenser and an evaporator, so that refrigeration at a lower temperature can be realized. However, with the development of magnetic refrigeration technology, refrigeration equipment that employs a magnetic refrigeration module for refrigeration is also widely used. The magnetic refrigeration module in the prior art generally comprises a hot end radiator, a cold end radiator, a heat exchange liquid drive pump and a magnetic refrigeration assembly, wherein the magnetic refrigeration assembly comprises a magnet and a magnetic refrigeration bed, a medium magnetic working medium is filled in the magnetic refrigeration bed, and the magnetic refrigeration bed is excited and demagnetized through the magnet so as to realize refrigeration and heating of the magnetic working medium in the magnetic refrigeration bed. In the practical use process, the heat or cold generated by the magnetic refrigeration bed is generally carried out by a heat exchange fluid, such as: chinese patent No. 201510932943.2 discloses a separated heat pipe room temperature magnetic refrigeration device, which specifically comprises: the solution circulating pump conveys the heat exchange liquid in the magnetic refrigerator to the cold accumulator or the heat accumulator, and then the heat or the cold is transferred to the outside through the heat pipe. However, in the process of refrigerating by using the magnetic refrigeration technology, heat transfer needs to be performed through the heat exchange liquid, and therefore, a solution circulation pump needs to be additionally configured, which results in a complex pipeline structure of the refrigeration system, and the heat transfer efficiency is low due to the heat transfer by using the heat exchange liquid. The invention aims to solve the technical problem of how to design a magnetic refrigeration technology with high heat transfer efficiency to improve the refrigeration efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a direct cooling type magnetic refrigeration device, which can improve the heat transfer efficiency of the magnetic refrigeration device to improve the refrigeration efficiency.
The technical scheme provided by the invention is that the direct cooling type magnetic refrigeration equipment comprises a heat preservation box body and a magnetic refrigeration assembly, wherein a heat conduction inner container is arranged in the heat preservation box body, the magnetic refrigeration assembly comprises a magnetic field system, the magnetic refrigeration assembly also comprises a heat pipe type magnetic refrigeration bed, the heat pipe type magnetic refrigeration bed comprises a heat pipe and a magnetic working medium, the heat pipe comprises a pipe body and a liquid absorption core arranged in the pipe body, the heat pipe comprises a condensation pipe section, a magnetic effect pipe section and an evaporation pipe section which are sequentially arranged, and the magnetic effect pipe section is provided with the magnetic working medium; valve components capable of being switched are respectively arranged between the magnetic effect pipe section and the condensation pipe section and between the magnetic effect pipe section and the evaporation pipe section; the condensation pipe section is attached to the heat conduction inner container, and the evaporation pipe section is located outside the heat insulation box body.
Further, the magnetic working medium is arranged inside the magnetic effect tube section.
Furthermore, the magnetic working medium and the liquid suction core are of a split structure, and the magnetic working medium is attached to the liquid suction core.
Furthermore, the magnetic working medium and the liquid absorption core are of an integral structure.
Furthermore, the magnetic working medium is of a sheet structure, the liquid absorption core comprises a plurality of layers of liquid absorption sheets, and the sheet magnetic working medium is arranged between every two adjacent layers of liquid absorption sheets.
Furthermore, the magnetic working medium is granular and is embedded in the liquid absorption core.
Furthermore, the magnetic medium is of a strip structure, the magnetic medium is attached to the liquid absorption core to form a composite belt, and the composite belt is wound in the heat pipe.
Furthermore, the valve component comprises an inserting piece, a U-shaped guide rail groove frame and a driving mechanism for driving the inserting piece to reciprocate, and the inserting piece is arranged in the U-shaped guide rail groove frame in a sliding mode and is in dynamic sealing connection with the U-shaped guide rail groove frame; the pipe body is provided with jacks at the two sides of the magnetic effect pipe section respectively, and the U-shaped guide rail groove frame is inserted into the corresponding jacks in a sealing manner.
Furthermore, the valve component comprises a valve plate capable of rotating in the pipe body and a driving mechanism arranged outside the pipe body and used for driving the valve plate to rotate.
Furthermore, the evaporation pipe section is provided with radiating fins.
According to the technical scheme provided by the invention, the magnetic working medium is integrally arranged on the heat pipe, the magnetic working medium in the heat pipe is excited and demagnetized in a magnetic field, so that the refrigeration and heating of the magnetic working medium in the heat pipe are realized, and the cold energy and the heat energy generated by the magnetic working medium can be quickly and directly transferred and released through the corresponding condensation pipe section and the magnetic effect pipe section, so that the heat energy is not required to be transferred by adopting heat exchange liquid, and the heat transfer efficiency of the magnetic refrigeration equipment is improved so as to improve the refrigeration efficiency; and because a solution circulating pump is not required to be configured, the pipeline structure of the refrigerating system can be effectively simplified, and the use reliability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic view of the heat pipe assembly of the present invention;
FIG. 2 is a second schematic structural view of the heat pipe assembly of the present invention;
FIG. 3 is a cross-sectional view of the heat pipe assembly of the present invention;
FIG. 4 is a schematic view of a partial structure of a magnetic medium and a wick of the heat pipe assembly of the present invention;
FIG. 5 is a schematic view of a partial structure of a heat pipe;
FIG. 6 is a schematic view of the construction of the valve assembly;
FIG. 7 is a second partial schematic view of a heat pipe;
FIG. 8 is a first schematic diagram of the structure of the magnetic refrigeration equipment of the present invention;
fig. 9 is a schematic diagram of the structure of the magnetic refrigeration device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the heat pipe assembly with a magnetic refrigeration function in the present embodiment includes a heat pipe 1, where the heat pipe 1 includes a pipe body 11 and a wick 102 disposed in the pipe body 11, the heat pipe 1 includes a condensation pipe section 11, a magnetic effect pipe section 12 and an evaporation pipe section 13, which are sequentially disposed, and the magnetic effect pipe section 12 is provided with a magnetic working medium 103; and a switchable valve assembly 2 is respectively arranged between the magnetic effect pipe section 12 and the condensation pipe section 11 and between the magnetic effect pipe section and the evaporation pipe section 13.
Specifically, by arranging the magnetic medium 103 in the heat pipe 1, the part with the magnetic medium 103 is the magnetic effect pipe section 12, when in actual use, the magnetic field system 3 is correspondingly arranged at the magnetic effect pipe section 12, the magnetic medium 103 in the magnetic effect pipe section 12 is excited and demagnetized by the magnetic field system 3, in the process, the magnetic medium 103 correspondingly releases heat and cold, and in the process of excitation and demagnetization of the magnetic medium 103, correspondingly, the valve assemblies 2 at two ends of the magnetic effect pipe section 12 are correspondingly opened, so that the cold release of the condensation pipe section 11 is realized, and the evaporation pipe section 13 releases heat, the specific process is as follows: as shown in fig. 1, under the excitation of the magnetic medium 103 by the magnetic field system 3, the magnetic medium 103 releases heat, the valve assembly 2 between the magnetic effect tube section 12 and the condensation tube section 11 is closed, the valve assembly 2 between the magnetic effect tube section 12 and the evaporation tube section 13 is opened, the magnetic effect tube section 12 is communicated with the evaporation tube section 13, and the medium in the evaporation tube section 13 can enter the magnetic effect tube section 12 to be heated, so that the heat is released through the evaporation tube section 13, at this time, the medium in the condensation tube section 11 is not affected by the partition between the magnetic effect tube section 12 and the condensation tube section 11; as shown in fig. 2, under the action of demagnetizing the magnetic medium 103 by the magnetic field system 3, the magnetic medium 103 releases cold energy, the valve assembly 2 between the magnetic effect tube section 12 and the condensation tube section 11 is opened, the valve assembly 2 between the magnetic effect tube section 12 and the evaporation tube section 13 is closed, the magnetic effect tube section 12 is communicated with the condensation tube section 11, and the medium in the condensation tube section 11 can enter the magnetic effect tube section 12 to be refrigerated, so that the cold energy is released through the condensation tube section 11, at this time, because the magnetic effect tube section 12 is separated from the evaporation tube section 13, the medium in the evaporation tube section 13 is not affected. From the above, since the magnetic working medium 103 directly heats or refrigerates the medium in the heat pipe 1 in the magnetic effect pipe section 12, the cold quantity and the heat quantity of the magnetic working medium 103 can be directly transferred by the heat pipe 1 without using an additional heat exchange liquid, and the heat transfer efficiency is greatly improved. Preferably, in order to ensure that the magnetic working medium 103 is always located in the wick 102 in the magnetic effect tube section 12 and does not diffuse outwards, filter screens 104 are arranged at two end portions of the portion, located in the magnetic effect tube section 12, of the wick 102, respectively, the magnetic working medium 102 is located between the two filter screens 104, and the filter screens 104 can prevent the magnetic working medium 103 from diffusing outwards due to the influence of medium flow in the heat pipe 1 in the use process, so that the use reliability is improved.
Further, the magnetic medium 103 is disposed on the heat pipe 1 in various ways, such as: the magnetic working medium 103 can be arranged outside the pipe body 11, preferably, the magnetic working medium 103 is arranged inside the magnetic effect pipe section 12, specifically, the magnetic working medium 103 and the wick 102 are in a split structure, the magnetic working medium 103 is attached to the wick 102, the wick 102 and the magnetic working medium 103 can be in a sleeve structure, and the two are sleeved together; alternatively, the magnetic medium 103 and the wick 102 are an integral structure, such as: the magnetic working medium 103 is of a sheet structure, the liquid absorbing core 102 comprises a plurality of layers of liquid absorbing sheets, the sheet magnetic working medium 103 is arranged between two adjacent layers of liquid absorbing sheets, or the magnetic working medium 103 is in a granular shape, the magnetic working medium 103 is embedded in a gap of the liquid absorbing core 102, or the magnetic working medium 103 and the liquid absorbing core 102 are in a strip structure, the magnetic working medium 103 is attached to the liquid absorbing core 102 to form a composite strip, and the composite strip is wound in the heat pipe 1.
Furthermore, in order to facilitate the control of the opening and closing operations of the valve assembly 2 at the two ends of the magnetic effect tube section 12, as shown in fig. 5-6, the valve assembly 2 comprises an insertion piece 21, a U-shaped guide rail slot frame 22 and a driving mechanism 23 for driving the insertion piece to reciprocate, wherein the insertion piece 21 is slidably arranged in the U-shaped guide rail slot frame 22 and is in dynamic sealing connection with the U-shaped guide rail slot frame 22; sockets (not shown) are respectively arranged on the pipe body 11 at the two sides of the magnetic effect pipe section 12, and the U-shaped guide rail groove frame 22 is hermetically inserted into the corresponding sockets; the switch of the valve component 2 is realized by driving the inserting sheet 21 to reciprocate in the U-shaped guide rail groove frame 22 by the driving mechanism 23, and in order to ensure the tightness of the heat pipe 1, the U-shaped guide rail groove frame 22 is hermetically arranged in the pipe body 11, and meanwhile, the inserting sheet 21 is in dynamic sealing connection with the U-shaped guide rail groove frame 22 so as to ensure the use reliability; and the driving mechanism 23 may be a motor, a cylinder, or a linear motor. Or, as shown in fig. 7, the valve assembly 2 includes a valve plate 21 that can rotate in the pipe 11 and a driving mechanism 23 that is disposed outside the pipe 11 and used for driving the valve plate 21 to rotate, specifically, the valve plate 21 is rotatably connected in the pipe 11 by a rotating shaft in a dynamic seal connection manner, the driving mechanism 23 can be a motor, and the motor drives the rotating shaft to rotate so as to drive the valve plate 21 to rotate to realize the purpose of opening and closing the valve assembly 2.
The heat pipe may be formed by the following method. The invention provides a processing method of a heat pipe assembly with a magnetic refrigeration function, which comprises the following steps:
step one, arranging a magnetic working medium on a liquid absorption core to form a composite core body with an integral structure. Specifically, the specific assembly mode of the first step is different corresponding to different structural forms of the magnetic working medium, for example: when the magnetic working medium is of a sheet structure, the liquid absorption core comprises multiple layers of liquid absorption, and the first step is specifically as follows: the sheet-shaped magnetic working medium is arranged between two adjacent layers of the liquid absorbing sheets; or, when the magnetic working medium is granular, the first step specifically comprises the following steps: embedding the granular magnetic working medium into the pores of the liquid absorption core; or, when the magnetic medium is in a band-shaped structure, the first step specifically comprises: the magnetic working medium is wound on the liquid absorption core; or, when the magnetic working medium is in a strip structure, the liquid absorption core is in a wire mesh structure, and the first step specifically comprises the following steps: the magnetic working medium is attached to the liquid absorption core to form a composite belt, and the composite belt is wound to form a columnar structure. Preferably, two filter screens which are arranged oppositely are arranged in the composite core body, so that the magnetic working medium is positioned between the two filter screens, and the magnetic working medium can be prevented from diffusing outwards and entering a condensation pipe section or an evaporation pipe section through the filter screens, so that the use reliability is improved.
And step two, assembling the composite core body into the pipe body. Specifically, after the composite core is assembled into the tube body, the composite core is processed by adopting a conventional heat pipe vacuumizing and sealing mode. Preferably, a valve assembly is arranged between the magnetic effect pipe section and the condensation pipe section and between the magnetic effect pipe section and the evaporation pipe section respectively, the valve assembly comprises an inserting piece and a U-shaped guide rail groove frame, and the inserting piece is arranged in the U-shaped guide rail groove frame in a sliding mode and is in dynamic sealing connection with the U-shaped guide rail groove frame; the second step is specifically as follows: after the composite core body is inserted into the pipe body, inserting openings are respectively formed in the pipe body and located on two sides of the magnetic effect pipe section, the sealing guide rail frame is inserted into the corresponding inserting openings in a sealing mode, and then the pipe body is vacuumized and sealed.
The invention also provides magnetic refrigeration equipment, as shown in fig. 8, the magnetic refrigeration equipment comprises a heat preservation box 100 and a magnetic refrigeration component 200, the magnetic refrigeration component 200 comprises a magnetic field system for excitation and demagnetization, the magnetic refrigeration component also comprises the heat pipe component with the magnetic refrigeration function, a magnetic effect pipe section in the heat pipe component with the magnetic refrigeration function is positioned in the magnetic field system, and a condensation pipe section 11 in the heat pipe component with the magnetic refrigeration function is used for releasing cold energy to the heat preservation box 100. Specifically, the cold energy generated by the magnetic working medium in the magnetic effect tube section is transmitted to the heat preservation box body 100 through the condensation tube section 11 for refrigeration, and the heat generated by the magnetic working medium is released to the outside of the heat preservation box body 100 through the evaporation tube section 13. The magnetic refrigeration device may be a direct cooling type refrigeration or an air cooling type refrigeration, and as shown in fig. 8, the magnetic refrigeration device is a direct cooling type magnetic refrigeration device, a heat conducting inner container (not shown) is disposed in the heat insulation box 100, the condensation pipe segment 11 is attached to the heat conducting inner container, and the evaporation pipe segment 13 is located outside the heat insulation box 100. As shown in fig. 9, an air-cooled magnetic refrigeration apparatus is provided, an air duct (not shown) is provided in the heat-insulating box body 100, a first fan is provided in the air duct, the condensation pipe section is provided in the air duct and located on an air outlet side of the first fan, and the evaporation pipe section is located outside the heat-insulating box body, wherein the air duct and the fan can adopt a technical scheme of a conventional air-cooled refrigeration apparatus, which is not described herein again, and in order to improve air-cooling efficiency, a first heat dissipation fin (not marked) is provided on the condensation pipe section 11, and a surface of the first heat dissipation fin is parallel to an air outlet direction of the first fan. Similarly, in order to improve the heat dissipation efficiency, a second heat dissipation fin (not labeled) is disposed on the evaporation pipe section 13, and a second fan for blowing air to the evaporation pipe section 13 for heat dissipation is disposed on the heat preservation box 100.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A direct cooling type magnetic refrigeration device comprises a heat preservation box body and a magnetic refrigeration assembly, wherein a heat conduction inner container is arranged in the heat preservation box body, and the magnetic refrigeration assembly comprises a magnetic field system; valve components capable of being switched are respectively arranged between the magnetic effect pipe section and the condensation pipe section and between the magnetic effect pipe section and the evaporation pipe section; the condensation pipe section is attached to the heat conduction inner container, and the evaporation pipe section is positioned outside the heat insulation box body; and filter screens are arranged at two ends of the part of the liquid absorption core in the magnetic effect pipe section, and the magnetic working medium is positioned between the two filter screens.
2. The direct-cooling magnetic refrigeration equipment as claimed in claim 1, characterized in that the magnetic working medium is arranged inside the magnetic effect tube section.
3. The direct-cooling magnetic refrigeration device as claimed in claim 2, wherein the magnetic medium and the wick are of a split structure, and the magnetic medium is attached to the wick.
4. The direct-cooling magnetic refrigerator as claimed in claim 2, wherein the magnetic medium and the wick are of a unitary structure.
5. The direct-cooling magnetic refrigeration equipment as claimed in claim 4, wherein the magnetic medium is a sheet structure, the liquid absorbing core comprises a plurality of layers of liquid absorbing sheets, and the sheet magnetic medium is arranged between two adjacent layers of the liquid absorbing sheets.
6. The direct-cooling magnetic refrigerator as claimed in claim 4, wherein the magnetic medium is in the form of particles, and the magnetic medium is embedded in the wick.
7. The direct-cooling magnetic refrigeration equipment as claimed in claim 4, wherein the magnetic medium is in a band structure, the magnetic medium is attached to the wick to form a composite band, and the composite band is wound around the heat pipe.
8. The direct-cooling magnetic refrigeration equipment as claimed in claim 1, wherein the valve assembly comprises a plug, a U-shaped guide rail slot frame and a driving mechanism for driving the plug to reciprocate, the plug is slidably arranged in the U-shaped guide rail slot frame and is in dynamic sealing connection with the U-shaped guide rail slot frame; the pipe body is provided with jacks at the two sides of the magnetic effect pipe section respectively, and the U-shaped guide rail groove frame is inserted into the corresponding jacks in a sealing manner.
9. The direct-cooling magnetic refrigeration equipment as claimed in claim 1, wherein the valve assembly comprises a valve plate rotatable in the pipe body and a driving mechanism provided outside the pipe body for driving the valve plate to rotate.
10. The direct-cooling magnetic refrigerator as claimed in claim 1, wherein the evaporator tube section is provided with heat dissipating fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412092.8A CN107166798B (en) | 2017-06-05 | 2017-06-05 | Direct cooling type magnetic refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412092.8A CN107166798B (en) | 2017-06-05 | 2017-06-05 | Direct cooling type magnetic refrigeration equipment |
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| Publication Number | Publication Date |
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| CN107166798A CN107166798A (en) | 2017-09-15 |
| CN107166798B true CN107166798B (en) | 2020-11-27 |
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| CN201710412092.8A Active CN107166798B (en) | 2017-06-05 | 2017-06-05 | Direct cooling type magnetic refrigeration equipment |
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| CN109780750B (en) * | 2018-12-13 | 2022-08-19 | 海尔智家股份有限公司 | Magnetic refrigeration system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4757688A (en) * | 1986-04-01 | 1988-07-19 | Hughes Aircraft Company | Solid-state electrocaloric cooling system and method |
| TW575158U (en) * | 2003-03-20 | 2004-02-01 | Ind Tech Res Inst | Heat transfer structure for magnetic heat energy |
| CN104776632A (en) * | 2014-01-13 | 2015-07-15 | 海尔集团公司 | Air cooling type magnetic refrigerating part, air cooling type magnetic refrigerating equipment and magnetic refrigerating air conditioner |
| DE102014010476B3 (en) * | 2014-07-15 | 2015-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Air conditioning device with at least one heat pipe, in particular thermosyphon |
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Inventor after: Xie Tao Inventor after: Wang Wenjie Inventor after: Tang Linqiang Inventor after: Zhang Lichen Inventor after: Wang Jingjing Inventor after: Ma Zhuang Inventor after: Li Jing Inventor after: Hu Can Inventor after: Liu Dechang Inventor before: Wang Wenjie Inventor before: Tang Linqiang Inventor before: Zhang Lichen Inventor before: Wang Jingjing Inventor before: Ma Zhuang Inventor before: Li Jing Inventor before: Hu Can Inventor before: Liu Dechang |
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Effective date of registration: 20201113 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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