CN209415827U - Magnetic medium inner core assembly, cold storage bed and magnetic refrigerator - Google Patents

Magnetic medium inner core assembly, cold storage bed and magnetic refrigerator Download PDF

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Publication number
CN209415827U
CN209415827U CN201821672315.0U CN201821672315U CN209415827U CN 209415827 U CN209415827 U CN 209415827U CN 201821672315 U CN201821672315 U CN 201821672315U CN 209415827 U CN209415827 U CN 209415827U
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China
Prior art keywords
working medium
magnetic working
magnetic
cold
connector
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CN201821672315.0U
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Chinese (zh)
Inventor
汪魁
李大全
罗胜
杨蓉
路文博
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201821672315.0U priority Critical patent/CN209415827U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The utility model provides a magnetic medium inner core assembly, cold storage bed and magnetic refrigerator relates to room temperature magnetic refrigeration technical field. Comprises a plurality of groups of magnetic medium pieces and a plurality of connecting pieces; the magnetic medium part is provided with a plurality of flow channels extending axially; the two sides of the connecting piece are provided with connecting structures used for being connected with the magnetic medium pieces, and the magnetic medium pieces are sequentially connected in the axial direction through the connecting piece; the connecting piece is heat insulation material. Every two groups of adjacent magnetic medium pieces are connected through the connecting piece made of the arranged heat insulation material, so that the axial heat conduction between the adjacent magnetic medium pieces is reduced on the premise of not influencing the flow of fluid; meanwhile, the arrangement of the connecting piece effectively reduces the heat conduction area between the adjacent magnetic medium pieces, and further effectively reduces the axial heat conduction; the temperature span of the magnetic heat effect is kept, and the running performance of the cold storage bed and the magnetic refrigerator is improved.

Description

Magnetic working medium components, cold-storage bed and magnetic refrigerator
Technical field
The utility model relates to room temperature magnetic refrigerating technical fields, in particular to a kind of magnetic working medium components, cold-storage Bed and magnetic refrigerator.
Background technique
As energy and environment problem has been to be concerned by more and more people, traditional steam compression type refrigeration is due to generation The environmental problems such as depletion of the ozone layer, greenhouse effects, magnetic refrigeration are considered as most potential substitution by its environmental protection, efficient advantage One of the technology of traditional vapor compression refrigeration cycle.According to Montreal Agreement, it will gradually forbid fluorine-containing system since 2000 The production and use of cryogen.Freeze compared to conventional vapor-compression, the refrigerating efficiency of magnetic refrigeration is up to Carnot's cycle efficiency 40%-50%, and traditional vapor compression refrigeration is generally 15%-25%;In addition magnetic refrigeration is not necessarily to gas compressor, does not generate Environmentally harmful gas;Operating frequency is low, and mechanical oscillation are few.Therefore magnetic refrigeration becomes the emphasis side of various countries researcher research To.
Magnetic Refrigeration Technique is a kind of New Refrigerating technology based on magnetothermal effect, and magnetothermal effect refers to magneto-caloric material in magnetic field The physical phenomenon of heat release or heat absorption when enhancing or decrease.When magnetic field adds magnetic to magneto-caloric material, magneto-caloric material magnetic entropy is lower, and (magnetic has Sequence degree is reinforced), release heat;When removing magnetic field, magneto-caloric material magnetic entropy is got higher (decline of magnetic order degree), absorbs heat.Magnetic refrigeration The purpose of refrigeration exactly may be implemented using the phenomenon that magnetothermal effect.
According to the development of magnetic refrigerator, state type, reciprocating and rotary can be divided into its motion mode.State type magnetic The magnet and working medium bed of magnetic of refrigeration machine be it is static, no movement mechanism makes systematic comparison simple, but due to the magnetic of state type Field just needs bigger winding coil using electromagnet, to the magnetic field for generating high-strength, so that refrigeration machine volume is more Huge, in addition the heat dissipation of winding is also to need additional cooling device, so that state type magnetic refrigerator can not move towards to be commercialized.It is past Compound magnetic refrigerator is in contrast relatively simple for structure, it is only necessary to which working medium bed of magnetic and magnet relative rectilinear move back and forth, and are come with this It realizes plus the effect of magnetic and degaussing, flow path is also fairly simple, although this mode is easily realized, running frequency is low, refrigerating efficiency It is not high.Rotary type magnetic refrigerating device is because its is compact-sized, running frequency is high, good refrigeration effect has formed the emphasis studied.
Cold-storage bed (working medium bed of magnetic) is the critical component of room-temperature magnetic refrigerator, since the magnetothermal effect of magnetic working medium generally occurs In relatively narrow temperature range, therefore the magnetic working medium with different Curie temperature need to be divided along the direction that cold-storage bed fluid flows Layer design, but since greatly and there are more serious axial heat transfer, axial heat transfer can make contact area between layers The variation of magnetic Temperature of Working is obtained, the temperature span that magnetothermal effect can occur is reduced, influences the runnability of working medium bed of magnetic;Especially It is influenced under the conditions of running frequency is lower, flow rate is lower and cold-storage bed axial length is lesser more serious.
Utility model content
To solve the technical problem that axial heat transfer is more serious between the magnetic working medium of magnetic refrigerator in the prior art, this reality It is with novel main purpose, a kind of fortune for reducing axial heat transfer between magnetic working medium, guaranteeing magnetic refrigerator cold-storage bed is provided Magnetic working medium components, cold-storage bed and the magnetic refrigerator of row performance.
In a first aspect, the utility model embodiment provides a kind of magnetic working medium components, including multiple groups magnetic working medium part with Multiple connectors;
The magnetic working medium part has multiple axially extending runners;
The two sides of the connector have the connection structure for connecting with the magnetic working medium part, multiple magnetic working medium parts It is sequentially connected in the axial direction by the connector;The connector is heat-insulated material.
Further, in one preferred embodiment of the utility model, magnetic working medium part described in every group includes being arranged in parallel Several magnetic working medium pieces;The runner is formed between the two neighboring magnetic working medium piece.
Further, in one preferred embodiment of the utility model, the connection structure is multiple notches, described to lack Mouth is for fixing the magnetic working medium piece.
Further, in one preferred embodiment of the utility model, magnetic working medium part described in two adjacent groups is in the axial direction Angle be 20 ° -90 ° so that wherein the runner of magnetic working medium part described in one group can be spread radially.
Further, in one preferred embodiment of the utility model, magnetic working medium part described in two adjacent groups is in the axial direction It is vertically arranged, so that wherein the runner of magnetic working medium part described in one group can be spread radially.
Further, in one preferred embodiment of the utility model, the length of the connector in the axial direction is L, The connector is in the radial direction to meet relationship with a thickness of d, L and d: L >=4d.
It further, further include mesh screen structure in one preferred embodiment of the utility model, the mesh screen structure is set Both ends in magnetic working medium part axial direction described in being placed in every group.
Further, in one preferred embodiment of the utility model, the mesh screen structure includes in its axial direction Side and second side, the first side of the mesh screen structure with the magnetic working medium part for being fixedly connected, and the of the mesh screen structure Two sides are provided with porous plate or cell structure.
Second aspect, the utility model embodiment provide a kind of cold-storage bed, including magnetic working medium described in any of the above embodiments Components.
It further, further include lid and shell, tool in the shell in one preferred embodiment of the utility model There is an accommodating chamber, the magnetic working medium components are set in the accommodating chamber, and the lid is connect with the shell spiral.
Further, in one preferred embodiment of the utility model, the accommodating chamber is arranged to more by thermal insulation board A subregion, in each subregion clamping be provided with one group described in magnetic working medium components.
Further, in one preferred embodiment of the utility model, each subregion is corresponded on the outer wall of the shell Position be provided with disengaging tube connection ports, the disengaging tube connection ports are for connecting external connecting pipe.
The third aspect, the utility model embodiment provide a kind of magnetic refrigerator, including cold-storage described in any of the above embodiments Bed.
A kind of magnetic working medium components, cold-storage bed and magnetic refrigerator provided by the utility model, pass through the heat-insulated material of setting The connector of matter connects the every two groups adjacent magnetic working medium parts, under the premise of not influencing fluid flowing, reduces adjacent Axial heat transfer between the magnetic working medium part;Simultaneously the connector setting effectively reduce the adjacent magnetic working medium part it Between heat transfer area, axial heat transfer is further effectively reduced;The temperature span for keeping magnetothermal effect to occur improves cold-storage bed And the runnability of magnetic refrigerator.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the magnetic working medium components that an embodiment of the present invention provides;
Fig. 2 is the structural schematic diagram for the magnetic working medium components that another embodiment of the utility model provides;
Fig. 3 is the structural schematic diagram for the magnetic working medium components that another embodiment of the utility model provides;
Fig. 4 is the decomposition diagram of magnetic working medium components in Fig. 3;
Fig. 5 is the top view of magnetic working medium components in Fig. 3;
Fig. 6 is the structural schematic diagram of the corresponding connector of Fig. 1;
Fig. 7 is the structural schematic diagram of the corresponding connector of Fig. 2;
Fig. 8 is the structural schematic diagram of the corresponding connector of Fig. 3;
Fig. 9 is the schematic diagram for the mesh screen structure that an embodiment of the present invention provides;
Figure 10 is the schematic diagram for the mesh screen structure that another embodiment of the utility model provides;
Figure 11 is the decomposition diagram for the cold-storage bed that an embodiment of the present invention provides;
Figure 12 is the explosive view for the cold-storage bed that an embodiment of the present invention provides;
Figure 13 is the structural schematic diagram for the lid that an embodiment of the present invention provides;
Figure 14 is the side view for the shell that an embodiment of the present invention provides;
Figure 15 is the top view for the shell that an embodiment of the present invention provides.
Appended drawing reference:
1- magnetic working medium components 11- magnetic working medium part 111- magnetic working medium piece
12- connector 121- notch 13- mesh screen structure
2- lid
3- shell 31- subregion 32- thermal insulation board 33- helicitic texture 34- passes in and out tube connection ports
341- inlet pipe connector 342- goes out tube connection ports 35- fixation kit
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the application embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram according to the magnetic working medium components shown in an embodiment of the present invention;Fig. 2 is basis The structural schematic diagram of another magnetic working medium components for implementing to exemplify of the utility model;Fig. 3 is another according to the utility model Implement the structural schematic diagram of the magnetic working medium components exemplified;Fig. 4 is shown according to the magnetic working medium components decomposition shown in Fig. 3 It is intended to;Fig. 5 is according to the magnetic working medium components top view shown in Fig. 3;Fig. 6 is the structural schematic diagram of the corresponding connector of Fig. 1; Fig. 7 is the structural schematic diagram of the corresponding connector of Fig. 2;Fig. 8 is the structural schematic diagram of the corresponding connector of Fig. 3;Fig. 9 is according to this Utility model one implements the schematic diagram of the mesh screen structure exemplified;Figure 10 is according to another net for implementing to exemplify of the utility model The schematic diagram of sieve structure.An embodiment of the present invention provide a kind of magnetic working medium components, including multiple groups magnetic working medium part with Multiple connectors are connected by the connector between magnetic working medium part described in two adjacent groups, and fluid flow direction is magnetic work The axial ends of the axial direction of matter components, magnetic working medium components is fixed with mesh screen structure.
Wherein, as shown in Figures 1 to 5, the magnetic working medium components 1 provided in an embodiment of the present invention, including it is more Group magnetic working medium part 11 and multiple connectors 12;The magnetic working medium part 11 has multiple axially extending runners, refrigerant fluid energy It is enough to be flowed by import, by each axially extending runner to exporting outflow;The two sides of the connector 12 have for it is described The connection structure that magnetic working medium part 11 connects, multiple magnetic working medium parts 11 are sequentially connected in the axial direction by the connector 12; The connector 12 is heat-insulated material.The connector 12 of heat-insulated material can reduce the axial direction between the adjacent magnetic working medium part 11 Heat transfer, while the setting of the connector 12 effectively reduces the area of heat transfer between the adjacent magnetic working medium part 11, into Axial heat transfer is effectively reduced in one step;The temperature span for keeping magnetothermal effect to occur improves the operation of cold-storage bed and magnetic refrigerator Performance.
In the present embodiment, magnetic working medium part 11 described in every group includes several magnetic working medium pieces 111 disposed in parallel;Two neighboring institute It states and forms the runner between magnetic working medium piece 111, fluid flows in each runner to be freezed or heated.It is each in the present embodiment The magnetic working medium piece 111 with a thickness of 0.05mm-2mm, the spacing between the every two adjacent magnetic working medium piece 111 is 0.05mm-2mm。
As shown in Figure 1 to Figure 2, the magnetic working medium components 1 that an embodiment of the present invention provides, magnetic working medium part 11 is by residence In thermal stratification be arranged, each group magnetic working medium part 11 is successively arranged from low to high or from high to low by Curie temperature in the axial direction Column promote magnetic refrigeration performance to expand the temperature span of magnetic thermal response generation.
As shown in Figure 6 to 8, connector 12 is ring bodies, square framework type ring bodies, circular ring type ring bodies or top Face is the frame ring bodies of trapezoidal, and fluid can pass through from 12 interior hollow region of cyclic adapting piece, flows into adjacent magnetic Working medium part 11.Wherein, top end face is that the frame ring bodies of trapezoidal is convenient for different groups of magnetic working medium parts 11 surrounding circle.This is practical The magnetic working medium components 1 that a novel embodiment provides, the connection structure are multiple notches 121, and the notch 121 is for solid The fixed magnetic working medium piece 111.As shown in Figure 6 to 8, in the two sides of 12 axial direction of connector, several lack it has been arranged in pairs Mouth 121, each pair of notch 121 fixes a magnetic working medium piece 111.The notch 121 of 12 two sides of connector is reversely according to magnetic to be installed The direction of working medium piece 111 determines that the geomery and magnetic working medium piece 111 of notch 121 are adapted.
The problem that there is also heat exchanging fluid flowings in existing cold-storage bed unevenly, causes the cold-storage bed pressure loss big, in order to Solve the problems, such as this, the magnetic working medium components 1 that an embodiment of the present invention provides, magnetic working medium part 11 described in two adjacent groups exists Angle in axial direction is 20 ° -90 °, so that wherein the runner of magnetic working medium part 11 described in one group can be spread radially.Such as Fig. 1 to Fig. 3, first group of magnetic working medium piece 111 is longitudinally disposed, organize in each magnetic working medium piece 111 form axially extending runner, second group The runner of magnetic working medium piece 111 can also be diffused, in this way between adjacent sets radially in addition to continuing to extend in the axial direction In heat exchanging fluid transmission process, fluid, which will do it, constantly changes path, so that heat exchanging fluid flowing in magnetic working medium components 1 More evenly, reduce the pressure loss of cold-storage bed.It is as shown in the figure vertically disposed form, in any group of magnetic working medium part 11 Magnetic working medium piece 111 can convert tilt angle, can be realized fluid diffusion effect radially.
In one preferred embodiment of the utility model, magnetic working medium part 11 described in two adjacent groups is vertically arranged in the axial direction, So that wherein the runner of magnetic working medium part 11 described in one group can be spread radially.As shown in Figure 1 to Figure 3, what is shown is equal It is the vertically disposed situation of magnetic working medium part 11 described in two adjacent groups, in scheme for magnetic working medium components 1, magnetic working medium part 11 is set It is set to the staggered form of vertical package, cross-member, improves the uniformity of heat exchanging fluid flowing;Such set-up mode simultaneously, also The axial heat transfer between adjacent sets on the fluid flow direction of magnetic working medium piece 111 can be further reduced.Meeting low flow resistance In the case where increase the heat exchange area of heat exchanging fluid, improve the uniformity of flowing, with the high advantage of heat exchange efficiency, guarantee The performance of magnetic refrigerator.
Length or arc length on 11 streamwise of two adjacent groups magnetic working medium part can be equal or unequal, and the application is not done Limitation.
For effectively fixed magnetic working medium piece 111, the width of notch 121 depends on the thickness of magnetic working medium piece 111, connector 12 Spacing between every side adjacent gap 121 depends on the spacing of magnetic working medium piece 111, and the connector 12 is on fluid flow direction Length be L, length of the notch 121 of 12 side of connector on fluid flow direction be L1,12 other side of connector Length of the notch 121 on fluid flow direction be L2, L, L1 and L2 meet relationship: L >=L1+L2.In order to guarantee to connect Increase area of passage while connecing intensity, in the present embodiment, the cricoid connector 12 is in the radial direction with a thickness of d, L and d Meet relationship: L >=4d.
It is mentioned in an embodiment of the present invention to further increase the uniformity of heat exchanging fluid flowing if Fig. 9 is into Figure 10 Further include mesh screen structure 13 in the magnetic working medium components 1 of confession, the mesh screen structure 13 be set to every group described in magnetic working medium part 11 Both ends in axial direction, the both ends of every group of magnetic working medium components 1 are the inlet and outlet of fluid, i.e., inlet and outlet are provided with mesh screen knot Structure 13.In the present embodiment, the mesh screen structure 13 includes the first side and second side in its axial direction, and the of the mesh screen structure 13 Side is provided with connection structure identical with connector 12, such as notch 121, and the first side of mesh screen structure 13 passes through notch 121 It is fixedly connected and states magnetic working medium part 11;Second side of the mesh screen structure 13 is provided with porous plate or cell structure, porous plate Or cell structure can effectively shunt inlet and outlet heat exchanging fluid, make fluid flowing more evenly.Porous plate or cell structure can Selection is arranged or is not provided with according to the actual situation.Figure 11 is shown according to the decomposition of the cold-storage bed shown in an embodiment of the present invention It is intended to;Figure 12 is the explosive view according to the cold-storage bed shown in an embodiment of the present invention;Figure 13 is according to the utility model one Implement the structural schematic diagram of the lid 2 exemplified;Figure 14 is the side view according to the shell 3 shown in an embodiment of the present invention Figure;Figure 15 is the top view according to the shell 3 shown in an embodiment of the present invention.
A kind of cold-storage bed that an embodiment of the present invention provides, including magnetic working medium components described in any of the above embodiments 1, lid 2 and shell 3 have an accommodating chamber in the shell 3, and the magnetic working medium part 11 is set in the accommodating chamber, described Lid 2 is connect with 3 spiral of shell.Cold-storage bed lid plate and shell 3 are connect using screw in the prior art, due in bed by It is complicated to significantly increase assembly so that bed lid needs many screws to be fastened with the pressure of the fluid of magnetic working medium heat exchange Degree, reduces reliability, the leakage of Yi Fasheng heat exchanging fluid.Cold-storage bed provided in this embodiment, is connected using thread seal, letter Assembling process, high reliablity are changed.
For the annular cold-storage bed of rotary type magnetic refrigerating device provided in this embodiment, accommodating chamber in shell 3 by every Hot plate 32 is arranged to multiple subregions 31, and the quantity of subregion 31 depends on the number of magnetic working medium components 1, each subregion 31 Interior clamping be provided with one group described in magnetic working medium components 1, in specific embodiment as shown in figure 15, magnetic working medium components 1 Number be 8.31 inner wall of subregion can be used the modes such as buckle, card slot with magnetic working medium components 1 and be cooperatively connected.Outside shell 3 On side wall
In the present embodiment, disengaging tube connection ports 34 are provided on the outer wall of the opposite shell 3 of thermal insulation board 32 (respectively Inlet pipe connector 341 goes out tube connection ports 342), the disengaging tube connection ports 34 are for connecting external connecting pipe, convenient for heat exchange stream Body being passed through and releasing, and as shown in figure 12, disengaging tube connection ports 34 are set on fixation kit 35, and fixation kit 35 is for connecting Pass in and out tube connection ports 34 and cold-storage bed.
An embodiment of the present invention provides a kind of magnetic refrigerator, including cold-storage bed described in any of the above embodiments.
It as shown in Figure 1 to Figure 2, is the reciprocating magnetic refrigeration provided by the embodiments of the present application comprising magnetic working medium components 1 Machine, the basic principle of shuttle type magnetic refrigerator, which is that cold-storage bed is opposite with field system, to move reciprocatingly, and passes in and out magnetic field in cold-storage bed During generate magnetothermal effect, to realize refrigeration.Therefore the structure of cold-storage bed is generally linear type, common are cylindrical body And cuboid.
It is cuboid magnetic working medium components 1 and connector 12 (shell 3 is not shown) shown in Fig. 1,5 shown in figure Magnetic working medium part 11 is arranged successively by its Curie temperature T1-T5, T1 < T2 < T3 < T4 < T5, and connector 12 is Fig. 6 in this scheme Shown in structure, connector 12 is preferably made of the low material of the thermal coefficient with some strength.It is cylinder shown in Fig. 2 Body magnetic working medium components 1 and connector 12 (shell 3 is not shown), it is similar with cuboid cold-storage bed components, 4 are shown in figure A magnetic working medium part 11 is arranged successively by its Curie temperature T1-T4, T1 < T2 < T3 < T4, and connector 12 is Fig. 7 institute in this scheme The structure shown, arrow indicates fluid flow direction in figure.
Optimum embodiment provided by the embodiment of the utility model is the rotary room-temperature magnetic system comprising magnetic working medium components 1 Cold, the cold-storage bed of rotary type magnetic refrigerating device are generally complete circular or partial circle shape (fan with certain angle Shape).The magnetic working medium components 1 of cyclic annular cold-storage bed system are often formed a circle by even number magnetic working medium components 1 and are formed.
As shown in figure 12, annular lid 2, toroidal shell 3 and multiple magnetic working medium components 1 form cricoid cold-storage bed, 1 number of magnetic working medium components is 8 in the present embodiment.In other embodiments, each number of structures relationship can meet in magnetic working medium Core assembly 1 several m, connector 12 several m-1, m=1-100.
As shown in figure 13, it is respectively provided with helicitic texture 33 on two opposite medial surfaces of inside and outside circle in annular cover 2, such as Figure 14 To shown in Figure 15, the lateral surface of inner circle in circular shell 3 is respectively provided with helicitic texture 33, lid 2 and shell on the lateral surface of outer circle It is threadedly engaged connection on 3, outside perfect thread is tightly connected in mutually coordinated guarantee cold-storage bed when screwing, and improves assembly effect Rate.Shell 3 is with lid 2 by with some strength, thermal coefficient is low, non-magnetic material is made.
Circular ring type shape cold-storage bed fluid flow direction is in the present embodiment: fluid enters from each magnetic working medium components 1 Mouthful flow into, first full of the cavity constituted between thermal insulation board 32 in mesh screen structure 13 and annular bottom case, then by mesh screen structure 13 into Enter magnetic working medium part 11, then pass through the mesh screen structure 13 of outlet side, and is flowed out by outlet.
Magnetic working medium components 1, cold-storage bed and magnetic refrigerator provided by the utility model, heat exchanging fluid and magnetic working medium exchange heat When flow resistance is small, heat exchange is uniform;Reduce heat transfer between the magnetic working medium part 11 of different Curie temperature simultaneously, improves magnetic refrigeration and store The efficiency of cold bed;In addition shell 3 is threadedly coupled with lid 2, improves assembly efficiency.
In the description of the present invention, it should be understood that term " on ", "lower", "vertical", "horizontal", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " be orientation based on the figure or Corresponding orientation when positional relationship namely air-conditioning normal mounting.It is merely for convenience of describing the present invention and simplifying the description, and It is not that the equipment of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (13)

1. a kind of magnetic working medium components, which is characterized in that including multiple groups magnetic working medium part (11) and multiple connectors (12);
The magnetic working medium part (11) has multiple axially extending runners;
The two sides of the connector (12) have the connection structure for connecting with the magnetic working medium part (11), multiple magnetic works Matter part (11) is sequentially connected in the axial direction by the connector (12);The connector (12) is heat-insulated material.
2. magnetic working medium components according to claim 1, which is characterized in that magnetic working medium part (11) described in every group includes flat Several magnetic working medium pieces (111) of row setting;The runner is formed between the two neighboring magnetic working medium piece (111).
3. magnetic working medium components according to claim 2, which is characterized in that the connection structure is multiple notches (121), the notch (121) is for fixing the magnetic working medium piece (111).
4. magnetic working medium components according to claim 2, which is characterized in that magnetic working medium part (11) described in two adjacent groups exists Angle in axial direction is 20 ° -90 °, so that wherein the runner of magnetic working medium part (11) described in one group can be spread radially.
5. magnetic working medium components according to claim 2, which is characterized in that magnetic working medium part (11) described in two adjacent groups exists It is vertically arranged in axial direction, so that wherein the runner of magnetic working medium part (11) described in one group can be spread radially.
6. magnetic working medium components according to claim 2, which is characterized in that the length of the connector (12) in the axial direction Degree is L, and the connector (12) is in the radial direction to meet relationship with a thickness of d, L and d: L >=4d.
7. magnetic working medium components according to claim 1, which is characterized in that further include mesh screen structure (13), the net Sieve structure (13) be set to every group described in both ends in magnetic working medium part (11) axial direction.
8. magnetic working medium components according to claim 7, which is characterized in that the mesh screen structure (13) is in its axial direction Including the first side and second side, the first side of the mesh screen structure (13) with the magnetic working medium part (11) for being fixedly connected, institute The second side for stating mesh screen structure (13) is provided with porous plate or cell structure.
9. a kind of cold-storage bed, which is characterized in that including the described in any item magnetic working medium components (1) of claim 1-8.
10. cold-storage bed according to claim 9, which is characterized in that further include lid (2) and shell (3), the shell (3) there is an accommodating chamber, the magnetic working medium components (1) are set in the accommodating chamber, the lid (2) and the shell in The connection of body (3) spiral.
11. cold-storage bed according to claim 10, which is characterized in that the accommodating chamber is arranged to more by thermal insulation board (32) A subregion (31), in each subregion (31) clamping be provided with one group described in magnetic working medium components (1).
12. cold-storage bed according to claim 11, which is characterized in that correspond to each subregion on the outer wall of the shell (3) (31) position is provided with disengaging tube connection ports (34), and the disengaging tube connection ports (34) are for connecting external connecting pipe.
13. a kind of magnetic refrigerator, which is characterized in that including the described in any item cold-storage beds of claim 9-12.
CN201821672315.0U 2018-10-15 2018-10-15 Magnetic medium inner core assembly, cold storage bed and magnetic refrigerator Active CN209415827U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269145A (en) * 2018-10-15 2019-01-25 珠海格力电器股份有限公司 Magnetic medium inner core assembly, cold storage bed and magnetic refrigerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269145A (en) * 2018-10-15 2019-01-25 珠海格力电器股份有限公司 Magnetic medium inner core assembly, cold storage bed and magnetic refrigerator
CN109269145B (en) * 2018-10-15 2024-04-05 珠海格力电器股份有限公司 Magnetic working medium inner core assembly, cold storage bed and magnetic refrigerator

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