CN102809241B - For the movable sealing Dynamic Closed Loop waterway circulating device of magnetic refrigerator - Google Patents
For the movable sealing Dynamic Closed Loop waterway circulating device of magnetic refrigerator Download PDFInfo
- Publication number
- CN102809241B CN102809241B CN201210271869.0A CN201210271869A CN102809241B CN 102809241 B CN102809241 B CN 102809241B CN 201210271869 A CN201210271869 A CN 201210271869A CN 102809241 B CN102809241 B CN 102809241B
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- China
- Prior art keywords
- chute
- magnetic
- working medium
- bed
- grid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000002826 coolant Substances 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 9
- 230000000737 periodic effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 15
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000005389 magnetism Effects 0.000 abstract description 2
- 230000005285 magnetism related processes and functions Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 pottery to form Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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]
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to refrigeration technology field, be specifically related to a kind of movable sealing Dynamic Closed Loop waterway circulating device for magnetic refrigerator.It comprises the movable sealing chute for refrigeration machine cryogen containment, is divided into inside and outside both sides multilayer labyrinth type rotary dynamic sealing structure, is dynamic sliding sealing, and forms the part in dynamic circulation water route with intake-outlet between interior outside; Also comprise the rotation grid for placing magnetic working medium, this grid forms sliding hermetic unit with sealing chute and jointly forms circulation waterway with intake-outlet.This invention can be used as the magnetism servo-electric motor water-cooling of rotary type magnetic refrigerating device, completes the heat exchange in magnetic process of refrigerastion.
Description
Technical field
The present invention relates to refrigeration technology field, be specifically related to a kind of movable sealing Dynamic Closed Loop waterway circulating device for magnetic refrigerator.
Background technology
Traditional magnetic refrigerator realizes refrigeration object by expansion of compressed gas technology.Wherein Compressed Gas uses freon or hydrogen fluorohydrocarbon.These two kinds of gases all can damage air, can damage atmospheric ozone layer or have greenhouse effects.The magnetic Refrigeration Technique of development in recent years is by magnetize and the magnetic entropy change of the process in which materials that demagnetizes reaches the object of refrigeration.Because this material does not use gas refrigeration technology, can not greenhouse effects be caused, be called as environmental protection Refrigeration Technique.In addition, gentle system cooling system is compared, and magnetic refrigeration at least can lack the energy of consumption 20% to 30%.In fact, the refrigerator used now and air-conditioning system are just becoming the main body that worldwide energy consumes.Compare with traditional gas Refrigeration Technique, magnetic cooling have low noise, efficiency high, consume energy low, pollution-free, safe and reliable and be easy to the feature such as miniaturized.Exploitation high-performance magnetism material of cooling and the efficient magnetic refrigerator of development have become various countries' researcher and industrial quarters competes the focus work carried out.
Because the heat produced in magnetic working medium turnover magnetic field process or absorb and external environment condition exchange by cooling medium by the cold cycling process need of magnetic refrigerator, complete external refrigeration, therefore the water route design of magnetic refrigerator is the important component part of magnetic refrigerator.For meeting magnetic working medium and cooling medium High Efficiency Thermal exchanges, water route design need meet: 1) magnetic working medium passes in and out magnetic field with upper frequency; 2) cooling medium had sufficient time and magnetic working medium to carry out heat exchange before magnetic entropy change completes; 3) efficient heat exchange is had between cooling medium and cooling load.For meeting above-mentioned condition, global scientist and engineers propose various solution.May be summarized to be two kinds: one generally for piston type, according to the position of magnetic working medium relative to magnetic field, namely in different refrigeration or heat the stage, select the flow direction (U.S. Patent No. 6,826,915) of corresponding cooling agent; Two, intake-outlet position is along with the motion of magnetic working medium, according to the selection (JTusek of Distribution of Magnetic Field determination cooling agent or cooling water channel, S. Zupan, A. Sarlah, I. Prebil, A. Poredos, Development of a rotary magnetic refrigerator, International journal of refrigeration, 33 (2010) 294-300); Three, relative magnetic field distribution in intake-outlet position is fixing, and water knockout drum is responsible for water conservancy diversion between water inlet and magnetic working medium, builds cooling medium closed circuit (international monopoly: No. Wo 2009/024412 A1).Above-mentioned three kinds of schemes, first two is freezed because needs circulates according to magnetic field position conversion hot and cold water or heats circulation, therefore needs to design corresponding water route distribution system and due to the restriction of SRT, makes magnetic refrigerating system refrigerating efficiency low.The third scheme has higher refrigerating efficiency but complex structure, and the use of water knockout drum makes to realize comparatively difficulty.
Summary of the invention
The object of this invention is to provide a kind of movable sealing Dynamic Closed Loop waterway circulating device for magnetic refrigerator, design by adopting movable sealing and utilize magnetic working medium and water passage circulation system to construct Dynamic Closed Loop water passage circulation system, increase the contact of magnetic working medium and cooling medium, improve heat exchanger effectiveness.
For solving prior art Problems existing, technical scheme of the present invention is: a kind of movable sealing Dynamic Closed Loop waterway circulating device for magnetic refrigerator, it is characterized in that: comprise the magnetic bed being positioned at periodic magnetic field, grid is provided with in described magnetic bed, the two ends of magnetic bed are provided with slide rail one and slide rail two, and the chute one to match with slide rail one and slide rail two and chute two, magnetic working medium is provided with in grid, described chute one, magnetic working medium, Water Tank with Temp.-controlled and chute two connect and compose closed loop one successively, chute one, magnetic working medium, load and chute two connect and compose closed loop two successively.
Described chute one and chute two are three-layer sealed structure, and interior outside is maze-type structure, and centre is smooth surface.
Described magnetic bed is multi-layer tube shape structure and fixes in interlayer radial direction.
Described magnetic working medium is through along cooling medium circulating direction.
Described magnetic bed is hollow cylinder housing, and the two ends of hollow cylinder housing are provided with chute one and chute two, chute one is provided with the guiding gutter one and guiding gutter two that are communicated with grid, chute two is provided with the guiding gutter three and guiding gutter four that are communicated with grid.
Described chute one is also provided with water inlet one and water inlet two, chute two is provided with delivery port three and delivery port four.
Described load is refrigerating machine.
Described magnetic bed comprises the motion portion for driving the rotary motion of magnetic bed.
Described chute one and chute two comprise for fixing installation portion.
Described water inlet one, water inlet two, delivery port one and delivery port two for being communicated with magnetic bed, the water pump one flowed for driving cooling medium and water pump two, for the load exchanged with external heat, the pipe-line system between the Water Tank with Temp.-controlled being in operating temperature all the time for keeping magnetic working medium forms waterway circulating device.
Compared with prior art, advantage of the present invention is as follows: the present invention is devoted to introduce movable sealing-dynamically closed circuit circulatory system, and can realize the object of automatically dividing water without the need to water knockout drum, system architecture simplifies, and realizes easily, improving the cycle efficieny of cooling medium; Entery and delivery port and magnetic field relative position can according to magnetic bed rotary speed free adjustment, meet the time demand that cooling medium and magnetic hot working fluid exchange, and the continuous rotation of magnetic working medium also improves system works efficiency with cooling medium Continuous Heat Transfer.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 is water route of the present invention agent structure partial cutaway schematic;
Fig. 3 is water route of the present invention agent structure top view;
Fig. 4 is water route of the present invention agent structure A-A sectional view;
Fig. 5 is the enlarged drawing in Tu4Zhong D district;
Fig. 6 is the top view of magnetic bed;
Fig. 7 is the rectangular geometry schematic diagram of labyrinth sealing chute;
Fig. 8 is the semicircle geometry schematic diagram of labyrinth sealing chute;
The trapezoidal geometry schematic diagram that Fig. 9 is labyrinth sealing chute;
Figure 10 is grid inner magnet working medium longitudinal arrangement structure;
Figure 11 is grid inner magnet working medium well shape arrangement architecture;
Figure 12 is grid inner magnet working medium grain structure.
Description of reference numerals is as follows:
1-water pump two, 2-magnetic bed, 3-grid, 4-slide rail one, 5-slide rail two, 6-chute one, 7-chute two, 8-magnetic working medium, 9-guiding gutter one, 10-guiding gutter two, 11-guiding gutter three, 12-guiding gutter four, 13-water inlet one, 14-water inlet two, 15-delivery port one, 16-delivery port two, 17-Water Tank with Temp.-controlled, 18-load, 19-water pump one.
Detailed description of the invention
See Fig. 1 and Fig. 2: a kind of movable sealing Dynamic Closed Loop waterway circulating device for magnetic bed, comprise the magnetic bed 2 being positioned at periodic magnetic field inside, grid 3 is provided with in described magnetic bed 2, and there are the slide rail 1 and slide rail 25 that move for magnetic bed 2 in end, described magnetic bed 2 is the hollow cylinder housing of double-layer circular tubular structure, radial grid 3 is installed in its layer, double-decker is inner axially through, magnetic bed 2 two ends are provided with the chute 1 and chute 27 that match with slide rail 1 and slide rail 25, described chute 1 and chute 27 are three-layer sealed structure, interior outside is multilayer maze-type structure, centre is smooth surface, magnetic working medium 8 is installed in grid 3, magnetic working medium 8 can have multiple mounting modes as required, described chute 1 is being communicated with water inlet 2 14 with water inlet 1 perpendicular to slip plane direction being provided with guiding gutter 1 with guiding gutter 2 10, described chute 27 is being communicated with delivery port 2 16 with delivery port 1 perpendicular to slip plane direction having guiding gutter 3 11 with guiding gutter 4 12, described magnetic working medium 8, chute 1, guiding gutter 1, water inlet 1, Water Tank with Temp.-controlled 17 and chute 27, guiding gutter 3 11, delivery port 1 connects and composes dynamic closed loop one successively, be responsible for lowering the temperature to magnetic working medium 8 and ensureing that the temperature of magnetic working medium 8 is in optimum working temperature interval in this loop, described magnetic working medium 8, chute 1, guiding gutter 2 10, water inlet 2 14, load 18 and chute 27, guiding gutter 4 12, delivery port 2 16 connects and composes closed loop two successively, be responsible for lowering the temperature to load in this loop, complete the heat exchange with the external world.
The present invention includes the magnetic bed 2 for placing magnetic working medium 8, magnetic bed is double-decker, be positioned at periodic magnetic field, material can adopt the multiple material such as plastics, pottery to form, interlayer is interfixed by lattice structure, and completely through in the axial direction, this grid 3 meets after placement magnetic working medium 8, and cooling medium still can freely circulate up and down, labyrinth type movable sealing structure is designed with to prevent the leakage of cooling medium at magnetic bed 2 two ends, labyrinth sealing can adopt various shape, such as rectangle, semicircle, trapezoidal etc. (see Fig. 7, Fig. 8 and Fig. 9), and the slide construction (slide rail one and slide rail two) that this structure comprises magnetic bed two ends is fixed in chute one and chute two, magnetic bed 2 two ends and chute one and chute two center are slipper seal structure, chute one and chute two have guiding gutter and can form dynamic path system with part magnetic working medium, position and the relative rotational between magnetic bed 2 and magnet of external magnetic field are depended in guiding gutter position, magnetic bed 2 rotates under external force drives in chute one and chute two, cooling medium enters in the middle of the magnetic working medium of grid inside from guiding gutter, along with the rotation of magnetic working medium is flowed out from the guiding gutter of chute below grid, thus form dynamic circulation with outside water route, this circulation can to high-intensity magnetic field end of extent from the low-intensity magnetic field district of periodic magnetic field, for closed circuit one, constant temperature circulating loop, also can low-intensity magnetic field end of extent from high-intensity magnetic field district, for closed circuit two, refrigeration cycle, corresponding period can be set according to the Distribution of Magnetic Field of periodic magnetic field.
The present invention devises the double-layer grid grid space that can be used for placing magnetic working medium, magnetic working medium can parallel grid be placed, or labyrinth type is fixed on grid inside by fixture, or be discrete particles shape (see Figure 10, Figure 11 and Figure 12), after requiring to place magnetic working medium, cooling medium can freely up and down flow through magnetic working medium, thus completes the heat exchange between magnetic working medium and cooling medium.
Devising at grid two ends can for the intake-outlet of Inlet and outlet water, and this intake-outlet is connected with outer circulation loop, completes suction exothermic process to external world.
Illustrate the movable sealing Dynamic Closed Loop waterway circulating device function of magnetic bed of the present invention below in conjunction with the magnetic refrigerator course of work and Fig. 1, magnetic bed rotarily drives grid and magnetic working medium circles in periodic magnetic field.When magnetic working medium rotates to high magnetic field area, magnetic working medium is magnetized, releasing heat causes magnetic Temperature of Working to raise, before exiting highfield district, the heat of increase is taken away by the cooling medium discharge in closed circuit one, the temperature of this process control magnetic working medium is positioned at optimum working temperature interval all the time, operating efficiency is determined jointly by magnetic working medium rotating speed and highfield region area, after cooling medium in loop one is discharged from magnetic working medium, before magnetic working medium leaves region, highfield, injecting cooling medium by closed circuit two is rapidly that kind of refrigeration cycle is prepared, after magnetic working medium exits highfield, rotate to low field regions immediately, in demagnetization process, magnetic working medium absorption heat causes temperature to reduce, the cooling medium injected in advance and magnetic working medium carry out second heat exchange, coolant temperature reduces, to be communicated with load by closed circuit two and to help load cooling down, this process efficiency is determined by magnetic working medium rotating speed and low field regions area.Magnetic working medium passes in and out high downfield so repeatedly, constantly carries out heat exchange, reaches to the effect of load continuous cooling.
Claims (1)
1. for a movable sealing Dynamic Closed Loop waterway circulating device for magnetic refrigerator, it is characterized in that: comprise the magnetic bed (2) being positioned at periodic magnetic field, be provided with grid (3) in described magnetic bed (2), described magnetic bed (2) material is pottery or plastics; The two ends of magnetic bed (2) are provided with slide rail one (4) and slide rail two (5), and the chute one (6) to match with slide rail one (4) and slide rail two (5) and chute two (7), magnetic working medium (8) is provided with in grid (3), described magnetic working medium (8), chute one (6), Water Tank with Temp.-controlled (17) and chute two (7) connect and compose closed loop one successively, and magnetic working medium (8), chute one (6), load (18) connect and compose closed loop two successively with chute two (7);
Described chute one (6) and chute two (7) are three-layer sealed structure, and interior outside is maze-type structure, and centre is smooth surface;
Described magnetic bed (2) is in interlayer radial direction fixing for multi-layer tube shape structure;
Described magnetic working medium (8) is through along cooling medium circulating direction;
Described magnetic bed (2) is hollow cylinder housing, the two ends of hollow cylinder housing are provided with chute one (6) and chute two (7), chute one (6) is provided with the guiding gutter one (9) and guiding gutter two (10) that are communicated with grid (3), chute two (7) is provided with the guiding gutter three (11) and guiding gutter four (12) that are communicated with grid (3);
Described chute one (6) is also provided with water inlet one (13) and water inlet two (14), chute two (7) is provided with delivery port three (15) and delivery port four (16);
Described load (18) is refrigerating machine;
Described magnetic bed (2) comprises the motion portion for driving the rotary motion of magnetic bed;
Described chute one (6) and chute two (7) comprise for fixing installation portion;
Described water inlet one (13), water inlet two (14), delivery port one (15) and delivery port two (16) for being communicated with magnetic bed (2), the water pump one (19) flowed for driving cooling medium and water pump two (1), for the load (18) exchanged with external heat, the pipe-line system between the Water Tank with Temp.-controlled (17) being in operating temperature all the time for keeping magnetic working medium (8) forms waterway circulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271869.0A CN102809241B (en) | 2012-08-02 | 2012-08-02 | For the movable sealing Dynamic Closed Loop waterway circulating device of magnetic refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271869.0A CN102809241B (en) | 2012-08-02 | 2012-08-02 | For the movable sealing Dynamic Closed Loop waterway circulating device of magnetic refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102809241A CN102809241A (en) | 2012-12-05 |
| CN102809241B true CN102809241B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210271869.0A Expired - Fee Related CN102809241B (en) | 2012-08-02 | 2012-08-02 | For the movable sealing Dynamic Closed Loop waterway circulating device of magnetic refrigerator |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524632A (en) * | 2016-12-26 | 2017-03-22 | 天津商业大学 | Magnetic refrigeration freezer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625519A (en) * | 1984-04-20 | 1986-12-02 | Hitachi, Ltd. | Rotary magnetic refrigerator |
| CN1811301A (en) * | 2006-01-17 | 2006-08-02 | 南京大学 | Magnetic refrigerating method and set with outer loop for cold accumulation |
| CN101135510A (en) * | 2007-10-19 | 2008-03-05 | 中国科学院电工研究所 | Heat exchange system of permanent magnetism rotary type magnetic refrigerating device |
| CN101341368A (en) * | 2005-12-21 | 2009-01-07 | 大宇电子株式会社 | Magnetic refrigerator |
| CN202709540U (en) * | 2012-08-02 | 2013-01-30 | 西安市嘉闻材料技术有限公司 | Moving seal dynamic closed-loop water path circulating device for magnetic refrigerator |
-
2012
- 2012-08-02 CN CN201210271869.0A patent/CN102809241B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625519A (en) * | 1984-04-20 | 1986-12-02 | Hitachi, Ltd. | Rotary magnetic refrigerator |
| CN101341368A (en) * | 2005-12-21 | 2009-01-07 | 大宇电子株式会社 | Magnetic refrigerator |
| CN1811301A (en) * | 2006-01-17 | 2006-08-02 | 南京大学 | Magnetic refrigerating method and set with outer loop for cold accumulation |
| CN101135510A (en) * | 2007-10-19 | 2008-03-05 | 中国科学院电工研究所 | Heat exchange system of permanent magnetism rotary type magnetic refrigerating device |
| CN202709540U (en) * | 2012-08-02 | 2013-01-30 | 西安市嘉闻材料技术有限公司 | Moving seal dynamic closed-loop water path circulating device for magnetic refrigerator |
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| Publication number | Publication date |
|---|---|
| CN102809241A (en) | 2012-12-05 |
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Effective date of registration: 20160509 Address after: 200000, Room 305, building B, material building, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, Minhang District Patentee after: Xia Mingxu Patentee after: Liu Jian Address before: The western part of Shaanxi province 710068 South Second Ring Road, Xi'an City No. 69 Beilin District People's Congress Office Room 804 Patentee before: Xi'an Jiawen Material Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 |