CN105020931B - Rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus - Google Patents
Rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus Download PDFInfo
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- CN105020931B CN105020931B CN201410178401.6A CN201410178401A CN105020931B CN 105020931 B CN105020931 B CN 105020931B CN 201410178401 A CN201410178401 A CN 201410178401A CN 105020931 B CN105020931 B CN 105020931B
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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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Abstract
The invention discloses a kind of rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus, rotary type magnetic refrigerating device structure includes that field system, magnetizer component and two magnetic are refrigeration bed；The field system includes two magnets being oppositely arranged, the magnetizer component includes shaft, intermediate magnetizer and two side magnetizers, the side magnetizer is fixed on corresponding magnet, the intermediate magnetizer is located between two side magnetizers, the refrigeration bed correspondence of magnetic is between the intermediate magnetizer and the side magnetizer, the both ends of the shaft are respectively set jagged, two notches are backwards to setting, it is sticked in the middle part of the shaft on the intermediate magnetizer, the both ends of the shaft are alternately contacted with the corresponding side magnetizer.Two magnetic are refrigeration bed alternately to freeze, so that rotary type magnetic refrigerating device structure cold efficiency is effectively raised, to ensure that magnetic refrigeration apparatus has stronger refrigerating capacity.
Description
Technical field
The invention belongs to magnetic refrigeration technology fields, specifically, being to be related to a kind of rotary type magnetic refrigerating device structure and magnetic refrigeration
Equipment.
Background technique
Magnetothermal effect is that magnetic material causes material to inhale heat release during magnetization and demagnetization due to internal magnetic entropy change
A kind of property, be a kind of inherent characteristic of material, magnetic refrigeration realizes purpose of freezing by the magnetothermal effect of material,
It is a kind of with environmental protection, energy-efficient new technology, and magnetic refrigeration apparatus is freezed using magnetothermal effect.
Currently, magnetic refrigeration apparatus generally includes hot-side heat dissipation device, cold end radiator, heat exchange fluid transfer tube and magnetic refrigeration section
Part, and magnetic refrigeration part includes that field system and magnetic are refrigeration bed, magnetic working medium in the refrigeration bed middle filling of magnetic, by field system to magnetic
Refrigeration bed progress excitation and demagnetization, with realize magnetic it is refrigeration bed in magnetic working medium refrigeration and heating.According to the specific of excitation and demagnetization
Operation form is different, and magnetic refrigeration part is divided into: rotary magnetic refrigeration part and reciprocating magnetic refrigeration part.For rotary magnetic system
Cold part, during the work time by motor driven field system or magnetic is refrigeration bed is rotated by 360 °, realize magnetic working medium excitation and
Demagnetization, magnetic working medium will will do it two processes of heat absorption and heat release.Rotary magnetic refrigeration part in the prior art generallys use one
A field system is to should carry out excitation demagnetization to working medium bed of magnetic, and in field system period of change, working medium bed of magnetic will be into
Two processes of row refrigeration and heating, that is to say, that only the time of half for freezing, leads to rotary magnetic in the prior art
Refrigeration part refrigerating efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus, to improve rotary magnetic refrigeration
Mechanism refrigerating efficiency.
For achieving the above object, the present invention, which adopts the following technical solutions, is achieved:
A kind of rotary type magnetic refrigerating device structure, including shaft and two magnetic cooling assemblies, the shaft are described turn every magnet
Jagged, two notches setting backwards is respectively set in the both ends of axis, is provided with magnetizer, the shaft in the notch
Cylindrical structure is formed with the magnetizer, two magnetic cooling assemblies are arranged along the axisymmetrical of the shaft；The magnetic
Cooling assembly includes that field system, magnetizer component and two magnetic are refrigeration bed, and the field system includes two and is oppositely arranged
Magnet, the magnetizer component include intermediate magnetizer and two side magnetizers, and the side magnetizer is fixed on corresponding
On the magnet, the intermediate magnetizer is located between two side magnetizers, and the refrigeration bed correspondence of magnetic is located at described
Between intermediate magnetizer and the side magnetizer；For the single magnetic cooling assembly, the described of the both ends of the shaft portion is led
Magnet is alternately contacted with the intermediate magnetizer and corresponding side magnetizer.
Rotary type magnetic refrigerating device structure as described above, the end of the intermediate magnetizer offers the first groove, the side
The end of portion's magnetizer offers the second groove；For the single magnetic cooling assembly, when the magnetizer and the centre are led
When magnet and corresponding side magnetizer contact, the magnetizer is located at first groove and corresponding second groove
In.
Rotary type magnetic refrigerating device structure as described above, the rotary type magnetic refrigerating device structure further include motor and bracket, described
Shaft is rotatably coupled on the bracket, and the motor is connect with the shaft.
Rotary type magnetic refrigerating device structure as described above, two intermediate magnetizers link together, two centres
The junction of magnetizer forms axis hole, and the shaft is rotatably coupled in the axis hole.
Rotary type magnetic refrigerating device structure as described above, the refrigeration bed one end of magnetic are provided with and the refrigeration bed inside of the magnetic
The port of connection, the refrigeration bed interior one end of the magnetic are provided with partition, and the partition is located at institute between two ports
Two heat exchange fluid runners that the refrigeration bed inside of magnetic is separated into connection are stated, are filled with magnetic working medium in the heat exchange fluid runner.
A kind of magnetic refrigeration apparatus, including hot-side heat dissipation device, cold end radiator and heat exchange fluid transfer tube, further include above-mentioned rotation
Rotatable magnetic refrigerator structure, magnetic in the rotary type magnetic refrigerating device structure is refrigeration bed, the hot-side heat dissipation device, the cold end radiator
It links together with the heat exchange fluid transfer tube and constitutes heat exchange fluid circulation stream.
Compared with prior art, the advantages and positive effects of the present invention are: rotary type magnetic refrigerating device structure provided by the invention
And magnetic refrigeration apparatus, by the way that magnetizer component is arranged in field system, magnetic conduction subassembly can change the magnetic of field system generation
Path, in shaft rotation process will alternately so that the side magnetizer magnetic conductance of intermediate magnetizer and two sides is led to, in the process,
Form demagnetization space between the side magnetizer and intermediate magnetizer led to intermediate magnetizer magnetic conductance, and it is another not with intermediate magnetic conduction
Excitation space is formed between the logical side magnetizer of body magnetic conductance and intermediate magnetizer, so that a field system can pass through
Magnetizer component is simultaneously to the refrigeration bed offer variation magnetic field of two magnetic, so that the refrigeration bed alternately excitation of magnetic at different location
With demagnetization to complete heating and process of refrigerastion, thus in field system period of change, different magnetic is refrigeration bed can replace into
Row refrigeration, so that rotary type magnetic refrigerating device structure cold efficiency is effectively raised, to ensure that magnetic refrigeration apparatus has stronger system
Cold energy power.In addition, in actual use, it is only necessary to drive shaft rotation can realize that the refrigeration bed magnetic field of magnetic changes,
And field system and magnetic is refrigeration bed remains stationary, it is refrigeration bed on the one hand to can be convenient heat exchange fluid disengaging magnetic, simplifies magnetic refrigeration
The connection of equipment entirety heat exchange liquid pipeline, improve operational reliability, be on the other hand operated alone shaft rotation effectively reduce
Energy consumption；Simultaneously as using field system progress excitation refrigeration bed to two magnetic and demagnetization, without being directed to each magnetic
Refrigeration bed corresponding configuration field system, enormously simplifies the overall structure of magnetic refrigeration apparatus, reduces whole volume, and improve
Energy Efficiency Ratio.At the same time, two symmetrically arranged magnetic cooling assemblies can be in shaft swing circle, the magnetic conduction of both ends of the shaft
Body can be always the refrigeration bed progress demagnetization refrigeration of two magnetic, to more effectively improve refrigerating efficiency and reduce energy consumption.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rotary type magnetic refrigerating device structure embodiment of the present invention；
Fig. 2 is the side view of magnetic cooling assembly in rotary type magnetic refrigerating device structure embodiment of the present invention；
Fig. 3 is the structural schematic diagram of shaft in rotary type magnetic refrigerating device structure embodiment of the present invention；
Fig. 4 is the structural schematic diagram that magnetic is refrigeration bed in rotary type magnetic refrigerating device structure embodiment of the present invention；
Fig. 5 be rotary type magnetic refrigerating device structure embodiment of the present invention be in state one with reference to figure；
Fig. 6 be rotary type magnetic refrigerating device structure embodiment of the present invention be in state two with reference to figure.
Specific embodiment
The technical scheme of the present invention will be explained in further detail with reference to the accompanying drawings and detailed description.
As shown in figs 1 to 6, the present embodiment rotary type magnetic refrigerating device structure, including shaft 1 and two magnetic cooling assemblies 2 turn
Axis 1 is every magnet, and jagged, two notches setting backwards is respectively set in the both ends of shaft 1, is provided with magnetizer in notch
11, shaft 1 and magnetizer 11 form cylindrical structure, and two magnetic cooling assemblies 2 are arranged along the axisymmetrical of shaft 1；Magnetic refrigeration
Component includes field system, magnetizer component and two magnetic refrigeration bed 24；Field system includes two magnets being oppositely arranged 21,
Magnetizer component includes intermediate magnetizer 22 and two side magnetizers 23, and side magnetizer 23 is fixed on corresponding magnet 21
On, intermediate magnetizer 22 is located between two side magnetizers 23, and magnetic refrigeration bed 24 is corresponding to be located at intermediate magnetizer 22 and side
Between magnetizer 23；For single magnetic cooling assembly 2, the magnetizer 11 at 1 both ends of shaft alternately with intermediate magnetizer 2 and corresponding
Side magnetizer 23 contact.
Specifically, the axis of the shaft 1 in the present embodiment rotary type magnetic refrigerating device structure is perpendicular to intermediate 22 He of magnetizer
Side magnetizer 23；The magnetizer 11 at 1 both ends of shaft contacts the alternate intermediate magnetizer 22 with each magnetic cooling assembly 2
Magnetic conductance is logical, meanwhile, magnetizer 11 also will contact magnetic conductance with corresponding side magnetizer 23 and lead to, and it is right in the magnetic cooling assembly 2 to realize
The side magnetizer 23 and intermediate 22 magnetic conductance of magnetizer that should be contacted with magnetizer 11 are logical.Below with single magnetic cooling assembly 2 with turn
The magnetic turn on process of axis 1 is illustrated.After shaft 1 rotates, since the both ends of shaft 1 have the magnetizer 11 backwards to setting,
It is alternately logical with intermediate 22 magnetic conductance of magnetizer by magnetizer 11 to can be realized two side magnetizers 23, wherein with intermediate magnetic conduction
Form demagnetization space between the logical side magnetizer 23 of 22 magnetic conductance of body and intermediate magnetizer 22, and not with intermediate 22 magnetic conductance of magnetizer
Excitation space is formed between logical side magnetizer 23 and intermediate magnetizer 22, in 1 rotation process of shaft, magnetic refrigeration bed 24 will
Excitation and demagnetization processing are carried out, and in the process, magnetic refrigeration bed 24 is heated corresponding and freezed.For single magnetic system
It, can be effective since the excitation and demagnetization of multiple magnetic refrigeration bed 24 can be completed using a field system for cold component 2
Raising the present embodiment rotary type magnetic refrigerating device structure refrigerating efficiency.In addition, in use, it is only necessary to drive shaft 1 into
Row rotation, for existing rotary type magnetic refrigerating device structure needs to drive magnetic refrigeration bed or field system rotates, this implementation
Example rotary type magnetic refrigerating device structure can more effectively reduce energy consumption.Also, field system and magnetic refrigeration bed 24 remain stationary, can
Magnetic refrigeration bed 24 is passed in and out with convenient heat exchange fluid.
The present embodiment rotary type magnetic refrigerating device structure, by the way that magnetizer component is arranged in field system, magnetic conduction subassembly can
Change the magnetic flux path that field system generates, it will be alternately so that the side magnetic conduction of intermediate magnetizer and two sides in shaft rotation process
Body magnetic conductance is logical, and it is empty to form demagnetization in the process, between the side magnetizer and intermediate magnetizer led to intermediate magnetizer magnetic conductance
Between, and excitation space is formed between another side magnetizer not led to intermediate magnetizer magnetic conductance and intermediate magnetizer, to make
Obtaining a field system can be by magnetizer component simultaneously to the refrigeration bed offer variation magnetic field of two magnetic, so that at different location
The refrigeration bed alternately excitation of magnetic and demagnetization to complete heating and process of refrigerastion, thus in field system period of change, no
Same magnetic is refrigeration bed alternately to freeze, so that rotary type magnetic refrigerating device structure cold efficiency is effectively raised, to ensure
Magnetic refrigeration apparatus has stronger refrigerating capacity.In addition, in actual use, it is only necessary to which drive shaft rotation can be real
The refrigeration bed magnetic field of existing magnetic changes, and field system and magnetic is refrigeration bed remains stationary, on the one hand can be convenient heat exchange fluid into
Magnetic is refrigeration bed out, simplifies the connection of magnetic refrigeration apparatus entirety heat exchange liquid pipeline, improves operational reliability, on the other hand individually drives
The rotation of turn axis effectively reduces the energy consumption；Simultaneously as using field system progress excitation refrigeration bed to two magnetic and
Demagnetization, without enormously simplifying the overall structure of magnetic refrigeration apparatus, contracting for the refrigeration bed corresponding configuration field system of each magnetic
Small whole volume, and improve Energy Efficiency Ratio.At the same time, two symmetrically arranged magnetic cooling assemblies can be rotated in shaft
In period, the magnetizer of both ends of the shaft can be always the refrigeration bed progress demagnetization refrigeration of two magnetic, to more effectively improve
Refrigerating efficiency simultaneously reduces energy consumption.
Further, in order to enable the magnetizer 11 at 1 both ends of shaft good can be led with intermediate magnetizer 22 and side
Magnet 23 contacts, and the end of intermediate magnetizer 22 offers the first groove (not shown), and the end of side magnetizer 23 offers
Second groove 231；For single magnetic cooling assembly 2, when magnetizer 11 and intermediate magnetizer 22 and corresponding side magnetic conduction
When plate 23 contacts, magnetizer 11 is located in the first groove and corresponding second groove 231.Specifically, the first groove and second recessed
Slot 231 is contacted with magnetizer 11, can effectively be increased between magnetizer 11 and intermediate magnetizer 22 and side magnetizer 23
Contact area, so that it is guaranteed that magnetizer 11 good can be contacted with intermediate magnetizer 22 and side magnetizer 23, to ensure this
Embodiment rotary type magnetic refrigerating device structure is reliably run.
Further, in order to enable shaft 1 can be rotated smoothly, rotary type magnetic refrigerating device structure further include motor (not
Diagram) and bracket 12, shaft 1 be rotatably coupled on bracket 12, motor is connect with shaft.Specifically, magnet 21, magnetic freeze
Bed 24, intermediate magnetizer 22 and side magnetizer 23 can be fixed together, and bracket 12 can be fixed on magnet 21 or
To support shaft 1 on side magnetizer 23.Alternatively, two intermediate magnetizers 22 link together, magnetizer 2 among two
Junction forms axis hole (not shown), and shaft 1 is rotatably coupled in axis hole.It is carried out specifically, shaft 1 is supported by axis hole
Smoothly rotation, so that overall structure is more compact.
Further, refrigeration bed 24 one end of magnetic is provided with the port 241 being connected to the refrigeration bed inside of magnetic, and magnetic is refrigeration bed
One end in 24 is provided with hanging partition 242, partition 242 be located between two ports 241 by the refrigeration bed inner part of magnetic every
At two heat exchange fluid runners 243 of connection, magnetic working medium is filled in heat exchange fluid runner 243.Specifically, partition 242 is by magnetic
Refrigeration bed 24 inside is separated into the heat exchange fluid runner 243 of two connections, wherein a heat exchange fluid runner 243 and respective side
Port 241 connects, and the port 241 of another heat exchange fluid runner 243 and respective side, heat exchange fluid are walked U-shaped in magnetic refrigeration bed 24
Process, and heat exchange fluid is passed in and out from the same end of magnetic refrigeration bed 24, is more convenient the connection of pipeline.
Below in conjunction with attached drawing 5- Fig. 6, the course of work of the present embodiment rotary type magnetic refrigerating device structure is illustrated: such as Fig. 5
It is shown, in figure left side top side magnetizer 23 and lower right-hand side side magnetizer 23 by magnetizer 11 with it is corresponding in
Between 22 magnetic conductance of magnetizer it is logical, above left side and refrigeration bed 24 demagnetization of magnetic of lower right-hand side, to the heat exchange fluid system of its inside
Cold treatment；Meanwhile right side top and refrigeration bed 24 excitation of magnetic below left side in figure, the heat exchange fluid of its inside is heated
Processing.As shown in fig. 6, after shaft 1 rotates 180 degree, the side magnetizer 23 of right side top and the side below left side in figure
Magnetizer 23 is logical with corresponding intermediate 22 magnetic conductance of magnetizer by magnetizer 11, the magnetic refrigeration bed 24 above right side and below left side
Demagnetization carries out refrigeration processing to the heat exchange fluid of its inside；Meanwhile the magnetic refrigeration bed 24 of left side top and lower right-hand side is encouraged in figure
Magnetic carries out heating processing to the heat exchange fluid of its inside.
In addition, the present invention also provides a kind of magnetic refrigeration apparatus, including hot-side heat dissipation device, cold end radiator and heat exchange fluid are driven
Dynamic pump, further includes above-mentioned rotary type magnetic refrigerating device structure, and the magnetic in rotary type magnetic refrigerating device structure is refrigeration bed, hot-side heat dissipation device, cold end
Radiator and heat exchange fluid transfer tube, which link together, constitutes heat exchange fluid circulation stream.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of rotary type magnetic refrigerating device structure, which is characterized in that including shaft and two magnetic cooling assemblies, the shaft is every magnetic
Body, the both ends of the shaft are respectively set jagged, two notches setting backwards, are provided with magnetic conduction in the notch
Body, the shaft and the magnetizer form cylindrical structure, two magnetic cooling assemblies along the shaft axisymmetrical
Setting；Each magnetic cooling assembly includes that field system, magnetizer component and two magnetic are refrigeration bed, each field system
The magnet being oppositely arranged including two, each magnetizer component include intermediate magnetizer and two side magnetizers, described
Side magnetizer is fixed on the corresponding magnet, and the intermediate magnetizer is located between two side magnetizers, institute
The refrigeration bed correspondence of magnetic is stated between the intermediate magnetizer and the side magnetizer；For the single magnetic cooling assembly,
The magnetizer in the both ends of the shaft portion is alternately contacted with the intermediate magnetizer and the corresponding side magnetizer.
2. rotary type magnetic refrigerating device structure according to claim 1, which is characterized in that the end of the intermediate magnetizer opens up
There is the first groove, the end of the side magnetizer offers the second groove；For the single magnetic cooling assembly, led when described
When magnet and the intermediate magnetizer and corresponding side magnetizer contact, the magnetizer is located at first groove and correspondence
Second groove in.
3. rotary type magnetic refrigerating device structure according to claim 1, which is characterized in that the rotary type magnetic refrigerating device structure also wraps
Motor and bracket are included, the shaft is rotatably coupled on the bracket, and the motor is connect with the shaft.
4. rotary type magnetic refrigerating device structure according to claim 1, which is characterized in that two intermediate magnetizers are connected to
Together, the junction of two intermediate magnetizers forms axis hole, and the shaft is rotatably coupled in the axis hole.
5. rotary type magnetic refrigerating device structure according to claim 1, which is characterized in that the refrigeration bed one end of magnetic is provided with
With the refrigeration bed internal port being connected to of the magnetic, the refrigeration bed interior one end of the magnetic is provided with partition, and the partition is located at two
The refrigeration bed inside of the magnetic is separated into two heat exchange fluid runners of connection, the heat exchange fluid runner between a port
In be filled with magnetic working medium.
6. a kind of magnetic refrigeration apparatus, including hot-side heat dissipation device, cold end radiator and heat exchange fluid transfer tube, which is characterized in that also
Including rotary type magnetic refrigerating device structure a method as claimed in any one of claims 1 to 5, magnetic in the rotary type magnetic refrigerating device structure is refrigeration bed,
The hot-side heat dissipation device, the cold end radiator and the heat exchange fluid transfer tube link together and constitute heat exchange fluid recycle stream
Road.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410178401.6A CN105020931B (en) | 2014-04-30 | 2014-04-30 | Rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus |
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| CN201410178401.6A CN105020931B (en) | 2014-04-30 | 2014-04-30 | Rotary type magnetic refrigerating device structure and magnetic refrigeration apparatus |
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| CN105020931A CN105020931A (en) | 2015-11-04 |
| CN105020931B true CN105020931B (en) | 2019-06-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112505093B (en) * | 2020-11-09 | 2022-03-29 | 华南理工大学 | Variable-frequency magnetocaloric effect measuring device and method |
| CN115355630B (en) * | 2022-07-26 | 2024-02-20 | 包头稀土研究院 | Multistage high-power magnetic refrigerator and refrigerating method thereof |
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| CN101280983A (en) * | 2007-12-25 | 2008-10-08 | 包头稀土研究院 | Room temperature magnetic refrigeration system and uses thereof |
| JP2010101576A (en) * | 2008-10-24 | 2010-05-06 | Toshiba Corp | Rotary magnetic temperature regulation device |
| CN102089835A (en) * | 2008-07-08 | 2011-06-08 | 丹麦理工大学 | Magnetocaloric refrigerators |
| CN102759216A (en) * | 2011-04-28 | 2012-10-31 | 株式会社电装 | Magnetic heat pump system |
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| CN101115962A (en) * | 2005-01-12 | 2008-01-30 | 丹麦理工大学 | A magnetic regenerator, a method of making a magnetic regenerator, a method of making an active magnetic refrigerator and an active magnetic refrigerator |
| CN101280983A (en) * | 2007-12-25 | 2008-10-08 | 包头稀土研究院 | Room temperature magnetic refrigeration system and uses thereof |
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