CN203274395U - Magnetic-refrigeration portable refrigerator - Google Patents
Magnetic-refrigeration portable refrigerator Download PDFInfo
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- CN203274395U CN203274395U CN2013200578173U CN201320057817U CN203274395U CN 203274395 U CN203274395 U CN 203274395U CN 2013200578173 U CN2013200578173 U CN 2013200578173U CN 201320057817 U CN201320057817 U CN 201320057817U CN 203274395 U CN203274395 U CN 203274395U
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- Prior art keywords
- magnetic
- working medium
- permanent magnet
- permanent magnets
- refrigeration
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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 utility model discloses a magnetic-refrigeration portable refrigerator, belonging to the field of household electric appliances and equipment. The portable refrigerator comprises a housing, a storage box in the housing, a permanent magnet set, a magnetic refrigerant and the like, wherein the permanent magnet set is in an assembled structure of a permanent magnet, a magnetic concentrating body and a magnetic shield, the permanent magnet set is a cylindrical body with a through hole in the center, and the magnetic refrigerant is provided with a plurality of through holes and is closely sleeved in a magnetic refrigerant shell provided with a concave slideway. The function of the magnetic-refrigeration portable refrigerator is realized in this way that the magnetic refrigerant is fixed without movement, a linear guide rail drives the permanent magnet to do reciprocating-type straight movement relative to the magnetic refrigerant, and the magnetic refrigerant can realize the processes of excitation and demagnetization, and accordingly, the refrigeration of the refrigerator is realized. The structure of the magnetic refrigerant solves the problems that stuffing is difficult to process and manufacture, gaps in stuffing are difficult to ensure and the like. The permanent magnet is simple in structure and convenient to process, waste-free processing can be realized, the processing and manufacturing cost can be greatly saved, the assembling structure of the permanent magnet set can realize magnetic concentrating and magnetic shielding effects, and interference with other components and parts can be effectively prevented.
Description
Technical field
The utility model belongs to the domestic electric appliance field, is specifically related to a kind of portable refrigerator of magnetic refrigeration.
Background technology
Refrigerator plays an important role in daily life, its use each average family that become basically universal.
The conventional domestic refrigeration for refrigerator is all by utilizing compressor Repeated Compression and expanding gas or liquid refrigerant to freeze, if cold-producing medium used is the gas that freon etc. has contaminative, its leakage also can produce tremendous influence to environment, has larger noise during compressor operating, and the mechanical part that relates in the compression cycle system is more, easily damages.For this reason, utilized the magnetic Refrigeration Technique to make the magnetic refrigerator.In present existing magnetic refrigerator, mainly add outside by circular magnetic working medium and constantly rotate turnover magnetic field acquisition refrigeration for refrigerator effect in high-intensity magnetic field.This type of magnetic refrigerator motion structure is complicated, need to take larger space, so mainly concentrate on large-scale refrigeration model machine.Simultaneously, how the magnetic working medium rotating disk that rotation passes in and out magnetic field is comprised of graininess magnetic refrigerating material packed bed, and magnetic refrigeration filler particle diameter is less, fills difficulty.Provide the permanent magnet shape and structure of high-intensity magnetic field more complicated, magnetizing direction is irregular, causes the permanent magnet processing difficulties, and last clout is many, is unfavorable for taking full advantage of permanent-magnet material.The motion structure relative complex of magnetic working medium and permanent magnet, need to leave larger gap, can produce larger magnetic dispersion, affect magnetic refrigerating ring refrigeration, and the magnetic screen measure of permanent magnet is short of to some extent, can produce the leakage magnetic field phenomenon, other parts except permanent magnet are produced magnetic disturbance, be unfavorable for the integrally-built motion of magnetic refrigerator.
Summary of the invention
For the deficiency that prior art exists, the utility model provides a kind of portable refrigerator of magnetic refrigeration.
The technical solution of the utility model is achieved in that a kind of portable refrigerator of magnetic refrigeration, comprise storage tank and magnetic refrigerator structure in housing, housing, described magnetic refrigerator structure comprises set of permanent magnets, magnetic working medium, magnetic working medium shell, spill slideway, ball, pipeline, micro pump, solenoid directional control valve, cool end heat exchanger, hot end heat exchanger and line slideway;
Described set of permanent magnets is the package assembly of permanent magnet, gathering magnet and magnetic shield, described permanent magnet is by each cuboid permanent magnets and every two tubular structures that right angled triangle permanent magnets alternative splicing forms, there is a through hole at this tubular structure center, the upper and lower gathering magnet that is provided with of the inner surface of this through hole, the periphery of described permanent magnet is enclosed with the multilayered cylindrical magnetic shield, internal layer is the relatively poor internal layer magnetic shield of magnetic property, and skin is magnetic property outer magnetic shield preferably;
Described magnetic working medium is the integrative-structure with a plurality of through holes, and this magnetic working medium closely is sleeved on magnetic working medium housings, the two ends of this magnetic working medium shell are connected with seal for pipe joints, the upper and lower spill slideway that is provided with the built-in ball that slidably reciprocates for magnetic working medium shell in the permanent magnet through hole of described magnetic working medium shell;
Described line slideway is positioned at the below of set of permanent magnets, and this set of permanent magnets is fixed on the slide block of line slideway.
As preferably, the rectangular surfaces at described two right angled triangle permanent magnets right-angle side places is connected, and the rectangular surfaces at described hypotenuse place is connected with the cuboid permanent magnets.
As preferably, the through hole on described magnetic working medium is many in the situation that processing conditions allows to arrange closely as far as possible.
As preferably, described pipeline external arranges heat-insulation layer.
Beneficial effect:
1, magnetic refrigeration portable refrigerator of the present utility model has changed the working method that existing magnetic refrigerator adopts rotary working medium dish turnover magnetic field realization refrigeration, employing maintains static magnetic working medium, permanent magnet is fixedly connected on the slide block of line slideway, drive with line slideway the method that permanent magnet is done linear reciprocating motion vertically, realize the continuous variation of magnetic working medium external magnetic field, reached the refrigeration purpose.The relative motion method of this magnetic working medium and permanent magnet is easy and simple to handle, moves relatively steady, and implementation is easy to control.
2, in magnetic refrigeration portable refrigerator of the present utility model, magnetic working medium closely is sleeved on magnetic working medium housings, and the upper and lower spill slideway that is provided with of this magnetic working medium shell, be provided with ball in the spill slideway, magnetic working medium shell can be passed by the relative through hole of its permanent magnet that does reciprocating linear motion, and two opposite face touch scrollings of the ball on magnetic working medium shell and the interior gathering magnet of permanent magnet through hole slip over when passing.The method that this magnetic working medium shell is provided with ball slideway has guaranteed that the motion of magnetic working medium and permanent magnet is relatively stable, is not prone to cause between permanent magnet shell and magnetic working medium wear phenomenon because of the relative sliding generation because of movement warp.
3, in magnetic of the present utility model refrigeration portable refrigerator, magnetic working medium be integrative-structure with a plurality of through holes, has solved the inserts processing and fabricating that brings because of packed bed difficult, and the mutual gap between inserts is difficult to the problems such as assurance.
4, in magnetic refrigeration portable refrigerator of the present utility model, set of permanent magnets is assembled by permanent magnet, gathering magnet and magnetic shield, this Design of Permanent Magnet becomes cuboid permanent magnets and right angled triangle permanent magnets to be spliced, permanent magnets is simple in structure, easy to process, can realize greatly having saved the processing and fabricating cost without waste material processing.
Description of drawings
Fig. 1 is the overall structure figure of a kind of embodiment of the utility model;
Fig. 2 is a kind of embodiment set of permanent magnets of the utility model structural front view;
Fig. 3 is the structural representation of a kind of embodiment magnetic of the utility model working medium;
Fig. 4 is the front view of a kind of embodiment magnetic of the utility model working medium via arrangements;
Fig. 5 is the structural representation of a kind of embodiment magnetic of the utility model working medium when entering magnetic field;
Fig. 6 is a kind of embodiment fundamental diagram of the utility model;
In figure: 1-handle, 2-cool end heat exchanger, 3-storage tank, 4-housing, 5-set of permanent magnets, 6-solenoid directional control valve, 7-hot end heat exchanger, 8-micro pump, 9-pipeline, 10-line slideway, 11-magnetic working medium shell, 12-strip metal, 13-outer magnetic shield, 14-internal layer magnetic shield, 15-cuboid permanent magnets, 16-right angled triangle permanent magnets, 17-gathering magnet, 18-magnetic working medium, 19-through hole, 20-ball, 21-spill slideway.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
As Fig. 1 and shown in Figure 5, a kind of portable refrigerator of magnetic refrigeration, the magnetic working medium shell 11, the strip metal 12 that comprise storage tank 3 in handle 1, cool end heat exchanger 2, housing 4, housing 4, set of permanent magnets 5, solenoid directional control valve 6, hot end heat exchanger 7, micro pump 8, pipeline 9, line slideway 10, suit magnetic working medium 18, micro pump 8 drives heat-transfer fluid and circulates in pipeline 9, reduce heat-transfer fluid when heat-transfer fluid is flowed and reach better refrigeration with extraneous exchange heat, the outside of pipeline 9 can arrange heat-insulation layer.
as shown in Figure 2, set of permanent magnets 5 is the package assembly of permanent magnet, gathering magnet and magnetic shield, in present embodiment, the cylindrical body of a through hole is arranged centered by described permanent magnet, the inner surface of this through hole is upper and lower is provided with trapezoidal gathering magnet 17, and described permanent magnet is to be formed by each cuboid permanent magnets 15 and every two right angled triangle permanent magnets 16 alternative splicings, the periphery of this permanent magnet is enclosed with multilayer ring-type magnetic shield, internal layer is the relatively poor internal layer magnetic shield 14 of magnetic property, skin is magnetic property outer magnetic shield 13 preferably, in present embodiment, the rectangular surfaces at described two right angled triangle permanent magnets 16 right-angle side places is connected, the rectangular surfaces at described hypotenuse place is connected with cuboid permanent magnets 15, cuboid permanent magnets 15 and right angled triangle permanent magnets 16 are all elected N52 Nd-Fe-B permanent magnetic piece as, internal layer magnetic shield 14 is got aluminum alloy materials, outer magnetic shield 13 power taking work pure iron materials, gathering magnet 17 power taking work pure iron materials.The permanent magnets that consists of set of permanent magnets 5 is simple in structure, easy to process, can realize greatly having saved the processing and fabricating cost without waste material processing.Set of permanent magnets 5 peripheries are enclosed with multilayer ring-type magnetic shield can prevent the leakage magnetic field phenomenon, other outer parts of permanent magnet is produced magnetic disturbance accomplished effective protection.
As shown in Figure 3, magnetic working medium 18 is the cylinder with a plurality of through holes 19, and in present embodiment, magnetic working medium 18 is got the rare earth metal gadolinium.The structural design of magnetic working medium 18 has solved the inserts processing and fabricating difficulty of bringing because of packed bed, and the mutual gap between inserts is difficult to the problems such as assurance.As shown in Figure 4, through hole 19 is take its end face center, place as the center of circle, is annular and arranges, it is close and many that the arranging of through hole 19 should be tried one's best.As shown in Figure 5, magnetic working medium 18 closely is sleeved on magnetic working medium shell 11 the insides.As shown in Figure 1, magnetic working medium shell 11 two ends and pipeline 9 are tightly connected, heat-transfer fluid is circulated 19 li of the through holes of pipeline 9 and magnetic working medium 18, heat-transfer fluid is fully contacted with magnetic working medium 18, realize the maximization of exchange heat, magnetic working medium 18 obtains firm support in order to make magnetic working medium 18 after being connected by pipeline 9, can fixed support be set at its two ends.As shown in Figure 5, the upper and lower 5 row's spill slideways 21 that respectively are provided with of magnetic working medium shell 11 are provided with ball 20 in spill slideway 21.Magnetic working medium 18 can be passed by the through hole of its set of permanent magnets that do reciprocating linear motion 5 relatively, and two opposite face touch scrollings of the gathering magnet 17 in the ball 20 on magnetic working medium shell 11 and set of permanent magnets 5 through holes slip over when passing.The method that this magnetic working medium shell 11 is provided with ball slideway has guaranteed that magnetic working medium 18 is relatively stable with the permanent magnet motion, is not prone to cause 11 wear phenomenons because of the relative sliding generation of permanent magnet and magnetic working medium shell because of movement warp.
As shown in Figure 1, line slideway 10 is positioned at the below of set of permanent magnets 5, set of permanent magnets 5 is fixed on the slide block of line slideway 10 by the strip metal 12 that is enclosed within its excircle, permanent magnet just can be driven along the axially relative magnetic working medium 18 of permanent magnet by line slideway 10 and do linear reciprocating motion like this, make magnetic working medium 18 repeatedly pass in and out magnetic field, make the high-intensity magnetic field of magnetic working medium 18 outsides constantly change, realize the process of excitation and demagnetization.When solenoid directional control valve 6 during at conducting hot end heat exchanger 7 place circulating line cool end heat exchanger 2 place circulating lines close, when solenoid directional control valve 6 during at conducting cool end heat exchanger 2 place circulating line hot end heat exchanger 7 place circulating lines close, Controlled by Programmable Controller line slideway 10 and solenoid directional control valve 6, make line slideway 10 drive the reciprocating while of permanent magnet, solenoid directional control valve 6 makes heat-transfer fluid switch to different circulating lines.
The portable refrigerator operation principle of a kind of embodiment magnetic refrigeration of the utility model is as follows:
As shown in Figure 6, micro pump 8 driving heat-transfer fluids circulate in pipeline 9.Magnetic working medium 18 is motionless, line slideway 10 drives the relative magnetic working medium 18 of set of permanent magnets 5 and does linear reciprocating motion, when line slideway 10 drives set of permanent magnets 5 by magnetic working medium 18, when realizing that namely magnetic working medium 18 enters magnetic field, magnetic working medium 18 is emitted heat, liberated heat is absorbed by heat-transfer fluid, makes heat-transfer fluid temperature raise.Solenoid directional control valve 6 will be equipped with the pipeline connection of hot end heat exchanger 7 this moment, make the heat of heat-transfer fluid shed when flowing through hot end heat exchanger 7, and temperature is reduced to room temperature.When driving set of permanent magnets 5, line slideway 10 leaves magnetic working medium 18, when realizing that namely magnetic working medium 18 withdraws from magnetic field, magnetic working medium 18 absorbs heat from heat-transfer fluid, make heat-transfer fluid temperature reduce, solenoid directional control valve 6 will be equipped with the pipeline connection of cool end heat exchanger 2 this moment, heat-transfer fluid from storage tank 3 absorbed inside heats, makes storage tank 3 internal temperatures reduce by cool end heat exchanger 2 time.Circulation can realize the effect of refrigeration for refrigerator and so forth.
Claims (4)
1. the portable refrigerator of magnetic refrigeration, comprise storage tank and magnetic refrigerator structure in housing, housing, described magnetic refrigerator structure comprises set of permanent magnets, magnetic working medium, magnetic working medium shell, spill slideway, ball, pipeline, micro pump, solenoid directional control valve, cool end heat exchanger and hot end heat exchanger, it is characterized in that: also comprise set of permanent magnets, magnetic working medium and line slideway;
Described set of permanent magnets is the package assembly of permanent magnet, gathering magnet and magnetic shield, described permanent magnet is by each cuboid permanent magnets and every two tubular structures that right angled triangle permanent magnets alternative splicing forms, there is a through hole at this tubular structure center, the upper and lower gathering magnet that is provided with of the inner surface of this through hole, the periphery of described permanent magnet is enclosed with the multilayered cylindrical magnetic shield, internal layer is the relatively poor internal layer magnetic shield of magnetic property, and skin is magnetic property outer magnetic shield preferably;
Described magnetic working medium is the integrative-structure with a plurality of through holes, and this magnetic working medium closely is sleeved on magnetic working medium housings, the two ends of this magnetic working medium shell are connected with seal for pipe joints, the upper and lower spill slideway that is provided with the built-in ball that slidably reciprocates for magnetic working medium shell in the permanent magnet through hole of described magnetic working medium shell;
Described line slideway is positioned at the below of set of permanent magnets, and this set of permanent magnets is fixed on the slide block of line slideway.
2. the portable refrigerator of magnetic according to claim 1 refrigeration is characterized in that: the rectangular surfaces at described two right angled triangle permanent magnets right-angle side places is connected, and the rectangular surfaces at described hypotenuse place is connected with the cuboid permanent magnets.
3. the portable refrigerator of magnetic according to claim 1 refrigeration is characterized in that: the through hole on described magnetic working medium should arrange closely and many.
4. the portable refrigerator of magnetic according to claim 1 refrigeration, it is characterized in that: described pipeline external arranges heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200578173U CN203274395U (en) | 2013-01-31 | 2013-01-31 | Magnetic-refrigeration portable refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200578173U CN203274395U (en) | 2013-01-31 | 2013-01-31 | Magnetic-refrigeration portable refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274395U true CN203274395U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200578173U Expired - Lifetime CN203274395U (en) | 2013-01-31 | 2013-01-31 | Magnetic-refrigeration portable refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203274395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062973A (en) * | 2013-01-31 | 2013-04-24 | 东北大学 | Magnetic refrigerating portable refrigerator and refrigeration method |
| CN105823261A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔智能技术研发有限公司 | Magnetic refrigeration assembly and magnetic refrigeration device |
-
2013
- 2013-01-31 CN CN2013200578173U patent/CN203274395U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062973A (en) * | 2013-01-31 | 2013-04-24 | 东北大学 | Magnetic refrigerating portable refrigerator and refrigeration method |
| CN105823261A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔智能技术研发有限公司 | Magnetic refrigeration assembly and magnetic refrigeration device |
| CN105823261B (en) * | 2015-01-06 | 2022-10-28 | 青岛海尔智能技术研发有限公司 | Magnetic refrigeration assembly and magnetic refrigeration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |