CN103062973A - Magnetic refrigerating portable refrigerator and refrigeration method - Google Patents
Magnetic refrigerating portable refrigerator and refrigeration method Download PDFInfo
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- CN103062973A CN103062973A CN2013100394206A CN201310039420A CN103062973A CN 103062973 A CN103062973 A CN 103062973A CN 2013100394206 A CN2013100394206 A CN 2013100394206A CN 201310039420 A CN201310039420 A CN 201310039420A CN 103062973 A CN103062973 A CN 103062973A
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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]
Abstract
The invention discloses a magnetic refrigerating portable refrigerator and a refrigeration method. The magnetic refrigerating portable refrigerator belongs to the field of domestic electrical appliances and comprises a shell, a storage box arranged in the shell, a permanent magnet group, a magnetic working medium and the like, wherein the permanent magnet group is a tube-shaped body the centre of which is provided with a through hole; and the magnetic working medium is provided with multiple through holes and is closely sleeved in a magnetic working medium shell with a concave slideway. The function of the magnetic refrigeration portable refrigerator is realized by that the magnetic working medium is fixed, straight guide rails drive the permanent magnet to do a reciprocating straight motion relatively to the magnetic working medium, and the magnetic working medium realizes an excitation and demagnetizing process, so that the refrigeration of the refrigerator is realized; the relative movement method of the magnetic working medium and the permanent magnet is simple to operate, relatively stable in motion, and easy to control in the realizing manner; the structure of the magnetic working medium solves the problems that the filling materials is difficult to process and manufacture, and gaps among the filling materials are difficult to guarantee and the like; and a permanent magnet is simple in structure and convenient to process, so that the non-waste processing is realized, and the processing and manufacturing cost is greatly saved.
Description
Technical field
The invention belongs to the domestic electric appliance field, be specifically related to a kind of portable refrigerator and refrigerating method 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 all is by utilizing compressor Repeated Compression and expanding gas or liquid refrigerant to freeze, if used cold-producing medium 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 the 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, the magnetic working medium rotating disk in rotation turnover magnetic field is many to be 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 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 invention provides a kind of portable refrigerator and refrigerating method of magnetic refrigeration.
Technical scheme of the present invention is achieved in that a kind of portable refrigerator of magnetic refrigeration, comprise storage tank and magnetic refrigerator structure in housing, the 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 per 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 preferably outer magnetic shield of magnetic property;
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 the 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.
The method that the present invention is freezed specifically may further comprise the steps:
Step 1: magnetic working medium maintains static, and permanent magnet is driven along the axially relative magnetic working medium of permanent magnet by the motor-driven line slideway and does linear reciprocating motion, makes magnetic working medium repeatedly pass in and out magnetic field;
Step 2: when magnetic working medium entered magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium was emitted heat, and liberated heat is absorbed by heat-transfer fluid;
Step 3: this moment, solenoid directional control valve was opened hot end heat exchanger place circulating line, the heat-transfer fluid that has absorbed heat circulates in this circulating line, carry out exchange heat by hot end heat exchanger and external environment condition heat is shed, so that the temperature of heat-transfer fluid is reduced to room temperature;
Step 4: when magnetic working medium was left magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium absorbed heat from heat-transfer fluid, so that the temperature of heat-transfer fluid reduces;
Step 5: this moment, solenoid directional control valve was opened cool end heat exchanger place circulating line, and the low temperature heat transfer fluid after the cooling circulates in this circulating line, from storage tank absorbed inside heat, the storage tank internal temperature was reduced by cool end heat exchanger;
Step 6: so repeat the purpose that said process just can be realized refrigeration for refrigerator.
Beneficial effect:
1, magnetic refrigeration portable refrigerator of the present invention 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 the method that permanent magnet is done linear reciprocating motion vertically with line slideway, 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, magnetic working medium closely is sleeved on magnetic working medium housings in the magnetic refrigeration portable refrigerator of the present invention, 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 the 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 because of movement warp to cause between permanent magnet shell and magnetic working medium wear phenomenon because of the relative sliding generation.
3, magnetic working medium be integrative-structure with a plurality of through holes in the magnetic of the present invention refrigeration portable refrigerator, 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, set of permanent magnets is assembled by permanent magnet, gathering magnet and magnetic shield in the magnetic refrigeration portable refrigerator of the present invention, 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 one embodiment of the present invention;
Fig. 2 is one embodiment of the present invention set of permanent magnets structural front view;
Fig. 3 is the structural representation of one embodiment of the present invention magnetic working medium;
Fig. 4 is the front view of one embodiment of the present invention magnetic working medium via arrangements;
Fig. 5 is the structural representation of one embodiment of the present invention magnetic working medium when entering magnetic field;
Fig. 6 is one embodiment of the present invention fundamental diagram;
Fig. 7 is the portable refrigerator refrigerating method flow chart of one embodiment of the present invention magnetic refrigeration;
Among the 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 embodiments of the present invention are described in further detail:
Such 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 the 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 the present embodiment, the cylindrical body that a through hole is arranged centered by the described permanent magnet, the inner surface of this through hole is upper and lower to be provided with trapezoidal gathering magnet 17, and described permanent magnet is to be formed by each cuboid permanent magnets 15 and per 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 preferably outer magnetic shield 13 of magnetic property, in the 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 worker pure iron materials, gathering magnet 17 power taking worker 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 the 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 magnetic working medium shell 11 upper and lower 5 row's spill slideways 21 that respectively are provided with are provided with ball 20 in the spill slideway 21.Magnetic working medium 18 can be passed by the relative through hole of its set of permanent magnets that does reciprocating linear motion 5, and two opposite face touch scrollings of the gathering magnet 17 in the ball 20 on the 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 because of movement warp to cause 11 wear phenomenons because of the relative sliding generation of permanent magnet and magnetic working medium shell.
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, so that the high-intensity magnetic field of magnetic working medium 18 outsides constantly changes, realize the process of excitation and demagnetization.When solenoid directional control valve 6 during at conducting hot end heat exchanger 7 place circulating lines 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 lines 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 one embodiment of the present invention magnetic refrigeration 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 set of permanent magnets 5 relative magnetic working medium 18 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, so that heat-transfer fluid temperature raises.Solenoid directional control valve 6 will be equipped with the pipeline connection of hot end heat exchanger 7 this moment, so that the heat of heat-transfer fluid sheds when flowing through hot end heat exchanger 7, 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, so that heat-transfer fluid temperature reduces, solenoid directional control valve 6 will be equipped with the pipeline connection of cool end heat exchanger 2 this moment, heat-transfer fluid when the cool end heat exchanger 2 from storage tank 3 absorbed inside heats, so that storage tank 3 internal temperatures reduce.Circulation can realize the effect of refrigeration for refrigerator and so forth.
The portable refrigerator refrigerating method of one embodiment of the present invention magnetic refrigeration as shown in Figure 7, specifically may further comprise the steps:
Step 1: magnetic working medium maintains static, and permanent magnet is driven along the axially relative magnetic working medium of permanent magnet by the motor-driven line slideway and does linear reciprocating motion, makes magnetic working medium repeatedly pass in and out magnetic field;
Step 2: when magnetic working medium entered magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium was emitted heat, and liberated heat is absorbed by heat-transfer fluid;
Step 3: this moment, solenoid directional control valve was opened hot end heat exchanger place circulating line, the heat-transfer fluid that has absorbed heat circulates in this circulating line, carry out exchange heat by hot end heat exchanger and external environment condition heat is shed, so that the temperature of heat-transfer fluid is reduced to room temperature;
Step 4: when magnetic working medium was left magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium absorbed heat from heat-transfer fluid, so that the temperature of heat-transfer fluid reduces;
Step 5: this moment, solenoid directional control valve was opened cool end heat exchanger place circulating line, and the low temperature heat transfer fluid after the cooling circulates in this circulating line, from storage tank absorbed inside heat, the storage tank internal temperature was reduced by cool end heat exchanger;
Step 6: so repeat the purpose that said process just can be realized refrigeration for refrigerator.
Claims (5)
1. the portable refrigerator of magnetic refrigeration, comprise storage tank and magnetic refrigerator structure in housing, the 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 per 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 preferably outer magnetic shield of magnetic property;
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. magnetic according to claim 1 refrigeration portable refrigerator, it 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. magnetic according to claim 1 refrigeration portable refrigerator, it is characterized in that: the through hole on the described magnetic working medium is many in the situation that processing conditions allows to arrange closely as far as possible.
4. magnetic according to claim 1 refrigeration portable refrigerator, it is characterized in that: described pipeline external arranges heat-insulation layer.
5. the method that adopts magnetic refrigeration portable refrigerator claimed in claim 1 to freeze is characterized in that: specifically may further comprise the steps:
Step 1: magnetic working medium maintains static, and permanent magnet is driven along the axially relative magnetic working medium of permanent magnet by the motor-driven line slideway and does linear reciprocating motion, makes magnetic working medium repeatedly pass in and out magnetic field;
Step 2: when magnetic working medium entered magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium was emitted heat, and liberated heat is absorbed by heat-transfer fluid;
Step 3: this moment, solenoid directional control valve was opened hot end heat exchanger place circulating line, the heat-transfer fluid that has absorbed heat circulates in this circulating line, carry out exchange heat by hot end heat exchanger and external environment condition heat is shed, so that the temperature of heat-transfer fluid is reduced to room temperature;
Step 4: when magnetic working medium was left magnetic field, because magnetic working medium has magnetothermal effect, magnetic working medium absorbed heat from heat-transfer fluid, so that the temperature of heat-transfer fluid reduces;
Step 5: this moment, solenoid directional control valve was opened cool end heat exchanger place circulating line, and the low temperature heat transfer fluid after the cooling circulates in this circulating line, from storage tank absorbed inside heat, the storage tank internal temperature was reduced by cool end heat exchanger;
Step 6: so repeat the purpose that said process just can be realized refrigeration for refrigerator.
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| CN201310039420.6A CN103062973B (en) | 2013-01-31 | 2013-01-31 | Magnetic refrigerating portable refrigerator and refrigeration method |
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| CN103822412A (en) * | 2014-02-28 | 2014-05-28 | 华南理工大学 | Active heat regenerator for room temperature magnetic refrigerator |
| CN104154511A (en) * | 2014-07-08 | 2014-11-19 | 华南理工大学 | Magnetic refrigeration pump circulating heat radiation based structure for LED lamp and method thereof |
| CN104776631A (en) * | 2014-01-13 | 2015-07-15 | 海尔集团公司 | Rotating type magnetic refrigeration component and magnetic refrigeration equipment |
| CN105423678A (en) * | 2016-01-06 | 2016-03-23 | 陈昊哲 | Silent portable refrigerator |
| CN105823298A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔特种电冰柜有限公司 | Modularization magnetic refrigeration wine cabinet |
| CN105823260A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔智能技术研发有限公司 | Modularization magnetic refrigeration equipment |
| CN105823263A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔智能技术研发有限公司 | Magnetic refrigeration equipment |
| CN105890259A (en) * | 2016-06-05 | 2016-08-24 | 山东商业职业技术学院 | Non-contact differential-pressure type quick cold storage system based on magnetic linear motion enhanced heat transfer |
| CN108088112A (en) * | 2017-11-30 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic working medium component, working medium bed of magnetic and magnetic refrigerator |
| CN108716458A (en) * | 2018-05-18 | 2018-10-30 | 川屹节能科技（上海）有限公司 | Compressor for vapor compression refrigeration device |
| CN110017653A (en) * | 2019-04-19 | 2019-07-16 | 顺德职业技术学院 | A kind of Mobile refrigerator |
| CN112413923A (en) * | 2020-11-30 | 2021-02-26 | 珠海格力电器股份有限公司 | Magnetic refrigeration device and magnetic refrigeration system |
| CN114923176A (en) * | 2022-06-09 | 2022-08-19 | 上海域德环保工程有限公司 | Multistage harmless treatment's chemical burns device |
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| CN104154511A (en) * | 2014-07-08 | 2014-11-19 | 华南理工大学 | Magnetic refrigeration pump circulating heat radiation based structure for LED lamp and method thereof |
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| CN105823260A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔智能技术研发有限公司 | Modularization magnetic refrigeration equipment |
| CN105823298A (en) * | 2015-01-06 | 2016-08-03 | 青岛海尔特种电冰柜有限公司 | Modularization magnetic refrigeration wine cabinet |
| CN105823298B (en) * | 2015-01-06 | 2023-05-26 | 青岛海尔特种电冰柜有限公司 | Modularized magnetic refrigeration wine cabinet |
| CN105823263B (en) * | 2015-01-06 | 2022-10-28 | 青岛海尔智能技术研发有限公司 | Magnetic refrigeration equipment |
| CN105423678A (en) * | 2016-01-06 | 2016-03-23 | 陈昊哲 | Silent portable refrigerator |
| CN105890259A (en) * | 2016-06-05 | 2016-08-24 | 山东商业职业技术学院 | Non-contact differential-pressure type quick cold storage system based on magnetic linear motion enhanced heat transfer |
| CN108088112A (en) * | 2017-11-30 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic working medium component, working medium bed of magnetic and magnetic refrigerator |
| CN108088112B (en) * | 2017-11-30 | 2023-12-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic working medium assembly, magnetic working medium bed and magnetic refrigerator |
| CN108716458A (en) * | 2018-05-18 | 2018-10-30 | 川屹节能科技（上海）有限公司 | Compressor for vapor compression refrigeration device |
| CN110017653A (en) * | 2019-04-19 | 2019-07-16 | 顺德职业技术学院 | A kind of Mobile refrigerator |
| CN112413923B (en) * | 2020-11-30 | 2021-11-30 | 珠海格力电器股份有限公司 | Magnetic refrigeration device and magnetic refrigeration system |
| CN112413923A (en) * | 2020-11-30 | 2021-02-26 | 珠海格力电器股份有限公司 | Magnetic refrigeration device and magnetic refrigeration system |
| CN114923176A (en) * | 2022-06-09 | 2022-08-19 | 上海域德环保工程有限公司 | Multistage harmless treatment's chemical burns device |
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