CN206695450U - A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating - Google Patents
A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating Download PDFInfo
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- CN206695450U CN206695450U CN201720245024.2U CN201720245024U CN206695450U CN 206695450 U CN206695450 U CN 206695450U CN 201720245024 U CN201720245024 U CN 201720245024U CN 206695450 U CN206695450 U CN 206695450U
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- heat
- magnetic
- regenerator
- room temperature
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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 kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating, including motor, transmission device, magnetic refrigeration regenerator, connect the cold end heat-conductive heat-exchanger in magnetic refrigeration regenerator heat absorption area, connect the hot junction heat-conductive heat-exchanger of magnetic refrigeration regenerator heat release zone, magnetic refrigeration regenerator includes the upper cover plate and lower cover for being provided with high-temperature region thermal hole and low-temperature space thermal hole, coaxial superposition is provided with least two layers mutually in 180 degree distribution and oppositely oriented rotary magnetic refrigeration regenerator module between upper cover plate and lower cover, interlayer lubrication heat conducting module is additionally provided between adjacent magnetic refrigeration regenerator module.The utility model effectively reduces the regenerative losses inside regenerator, the problems such as avoiding working medium from contacting caused corrosion with heat exchanging fluid and reduce heat exchanging fluid pumping wasted work；Connected by multilayer regenerator modules in parallel, increase the magnetic thermal conductive material magnetic treatment quality in the system unit time and the rate of heat transfer between increase bed, further lifting system refrigerating capacity.
Description
Technical field
The utility model patent relates to New Refrigerating technical field, and in particular to a kind of infinitesimal in parallel for room temperature magnetic refrigerating
Heat regenerative system.
Background technology
The energy is basis for the survival of mankind, with being continuously increased for world's primary energy consumption figure, reduces energy consumption, profit
The important directions of scientific research are turned into natural energy resources.As the improvement of people's living standards, Refrigeration Technique has come into thousand
Ten thousand families of family.Refrigeration Technique mainly has vapour compression refrigeration, thermoelectric cooling, thermoacoustic refrigeration, vortex tube refrigeration, absorption type refrigerating, magnetic
Refrigeration etc..Room temperature magnetic refrigerating technology is with giant magnetio-caloric effects of the magnetic thermal conductive material in room-temperature zone（Magnetocaloric
Effect, MCE）Based on a kind of new Refrigeration Technique.Compared with traditional steam compression type refrigeration, magnetic refrigeration relies on
Its environmentally friendly, efficient advantage, it is considered as one of most potential technology for substituting traditional vapor compression kind of refrigeration cycle.It is reliable from machinery
Property and compactedness for, magnetic refrigeration using permanent magnet provide magnetic field and operating frequency it is low, mechanical shock is few, operating noise is small, machine
Tool reliability is high, long lifespan.And because magnetic entropy density ratio gas is big, thus the structure of refrigerating plant can become it is compacter,
Safety.From the aspect of energy utilization rate, the thermal efficiency of traditional vapor compression machine is only capable of reach Carnot cycle 5% ~ 10%, and magnetic
Kind of refrigeration cycle can but reach 30% ~ 60%, and energy-saving effect is notable.Therefore, room temperature magnetic refrigerating technology has quite good application prospect.
The scientific research personnel of various countries has carried out extensive research to magnetic Refrigeration Technique.
In the case of being limited to magnetothermal effect deficiency of the magnetic thermal conductive material under limited permanent magnet field strength at this stage, existing rank
The active regenerator that mainly uses of section heat exchanging fluid taken out of by way of forced convertion magnetic thermal conductive material produce heat and
During cold, allow magnetic is hot to serve as regenerative material, the Lattice Entropy during storage and release cycle.So as to realize in outfield
In the case of certain, the available quantity of magnetic entropy is substantially increased.Temperature forms certain temperature by repeatedly accumulation in active regenerator
Gradient, so as to widen the temperature between hot junction and cold end across so as to realize that the environment under certain temperature provides cold.But
During actual use, especially hot and cold side temperature after increase, cold carrier fluid and the hot working medium of magnetic can make cold end and hot junction it
Between heat short circuit, so as to cause refrigerating capacity or heating capacity to lose；In addition, each infinitesimal overlapping in active regenerator
Circulation heat recovery efficiency declines so that existing room temperature magnetic refrigeration system is small across lower cooling system power in big temperature.Therefore, design
Highly efficient active regenerator system so that room temperature magnetic refrigerating technology still remains with larger refrigerating capacity in big temperature under
Work with heating capacity has substantive significance.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is followed according to magnetothermal effect principle and room temperature magnetic refrigerating backheat
A kind of ring, there is provided the infinitesimal heat regenerative system in parallel of room temperature magnetic refrigerating in the self-driven lower active backheat of the temperature difference.
The utility model adopts the following technical scheme that realization：
A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating, including motor, transmission device, magnetic refrigeration regenerator,
Connect the cold end heat-conductive heat-exchanger in the magnetic refrigeration regenerator heat absorption area, the hot junction of the connection magnetic refrigeration regenerator heat release zone is led
Heat exchanger, the magnetic refrigeration regenerator is including being provided with the circular upper cover plate of high-temperature region thermal hole and low-temperature space thermal hole with
Cover plate, it is mutually in 180 degree distribution and rotation direction phase that coaxial superposition, which is provided with least two layers, between described upper cover plate and lower cover
Anti- rotary magnetic refrigeration regenerator module, interlayer lubrication heat conducting module is additionally provided between adjacent magnetic refrigeration regenerator module.
Further, described rotary magnetic refrigeration regenerator module includes fixed arc-shaped permanent magnet magnetic field, rotation
Turn and pass through the regenerator Moving plate of magnetic field of permanent magnet, the hot working medium filling bed of the magnetic being uniformly embedded on the regenerator Moving plate
Layer.
Further, described magnetic field of permanent magnet includes outer magnet and internal magnet, and the outer magnet and inner magnet are respectively
Two concentric semicircles rings, the external arc surface of inner magnet is relative with the Inner arc surface of outer magnet, and formation is moved with the regenerator
The arc highfield region gap that dish gap coordinates.
Further, the width in described arc highfield region gap is 10mm-40mm.
Further, described regenerator Moving plate is the circular hot working medium disk of magnetic, is processed by low thermal conductivity material
Form, the endoporus of described regenerator Moving plate is provided with internal tooth, if being uniformly covered with the circumferencial direction of described regenerator Moving plate
The fan-shaped pylone for assembling the hot working medium filling bed of the magnetic is done, thermal baffle is provided between two neighboring fan-shaped pylone,
Mutually leakage heat causes heat short circuit inside the hot working medium disk of magnetic between preventing the magnetic thermal conductive material in fan-shaped pylone.
Further, described fan-shaped pylone is highly 10mm-80mm.
Further, the shape of the hot working medium filling bed of described magnetic and the shape of the fan-shaped pylone match.
Further, for described interlayer lubrication heat conducting module in annular shape, centre is provided with ring-shaped guide rail.
Further, fan-shaped pylone is circumferentially provided with described ring-shaped guide rail, is inserted in fan-shaped pylone with certain resistance to
The fan-shaped heat conduction lubrication block or heat exchange of heat pipe of mill and thermal conductivity factor, the fan-shaped pylone number and the magnetic heat in regenerator Moving plate
Property material packed bed number of layers is identical.
Further, the material of described fan-shaped heat conduction lubrication block is graphite, ceramics, graphite foam copper or graphene.
Compared with prior art, the utility model has the advantages that：
Compared with common magnetic regenerator, infinitesimal backheat rotary room-temperature magnetic refrigerating system backheat effect in parallel of the present utility model
Rate is higher and controllable, is lost so as to reduce the refrigerating capacity caused by the Irreversible factor of heat recovery process, gives full play to magnetic heat
Property working medium refrigeration efficiency.In addition, using multistage regenerator parallel system, the same of regenerator internal heat transfer efficiency can be effectively increased
When, the quality increase of system unit time magnetic treatment magnetic thermal conductive material, ensure there is enough refrigerating capacity output in system.This practicality
Heat recovery process in new regenerator, lower solid-solid backheat is driven using the temperature difference, avoided pumping cold carrier fluid when realizing that backheat flows
Caused extra power consumption and avoid cold carrier fluid from being contacted with the hot working medium of magnetic and cause the hot working medium of magnetic to be corroded performance degradation
The problems such as, accordingly, it is capable to effectively improve systematic function and the service life of room temperature magnetic heat pump.
Brief description of the drawings
The infinitesimal heat regenerative system structural decomposition diagram in parallel of accompanying drawing 1.
The individual layer regenerator modular structure schematic diagram of accompanying drawing 2.
The adjacent two layers regenerator modular structure schematic diagram of accompanying drawing 3.
The interlayer of accompanying drawing 4 lubricates heat conducting module structural representation.
The infinitesimal heat regenerative system Distribution of Magnetic Field region in parallel of accompanying drawing 5, direction of rotation and heat conduction backheat relation schematic diagram.
Shown in figure：101- upper cover plates；102- high-temperature regions thermal hole；103- low-temperature space thermal holes；The rotary magnetics of 2- first
Freeze regenerator module；201- outer magnets；202- inner magnets；The hot working medium filling bed of 2031- magnetic；2032- regenerator Moving plates；
3- interlayers lubricate heat conducting module；The heat conduction of 301- sectors lubricates block；302- ring-shaped guide rails；The rotary magnetics of 4- second refrigeration regenerator mould
Group；The rotary magnetics of 5- the 3rd refrigeration regenerator module；The rotary magnetics of 6- the 4th refrigeration regenerator module；7- lower covers.
Embodiment
Purpose of utility model of the present utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings,
Embodiment can not repeat one by one herein, but therefore embodiment of the present utility model is not defined in following examples.
Accompanying drawing 1 show structural decomposition diagram of the present utility model, and mechanically operated part is eliminated in figure.
A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating, including motor, transmission device, magnetic refrigeration regenerator,
Connect the cold end heat-conductive heat-exchanger in the magnetic refrigeration regenerator heat absorption area, the hot junction of the connection magnetic refrigeration regenerator heat release zone is led
Heat exchanger, the magnetic refrigeration regenerator include the circular upper cover for being provided with high-temperature region thermal hole 102 and low-temperature space thermal hole 103
Plate 101 and lower cover 7, it is mutually in 180 that coaxial superposition, which is provided with least four layers, between described upper cover plate 101 and lower cover 7
Degree distribution and oppositely oriented rotary magnetic refrigeration regenerator module：First rotary magnetic refrigeration regenerator module 2, second rotates
Formula magnetic refrigeration regenerator module 4, the 3rd rotary magnetic refrigeration regenerator module 5, the 4th rotary magnetic refrigeration regenerator module 6,
Interlayer lubrication heat conducting module 3 is additionally provided between adjacent magnetic refrigeration regenerator module.
Specifically, as shown in Fig. 2 by taking the first rotary magnetic refrigeration regenerator module 2 as an example, described first is rotary
Magnetic refrigeration regenerator module 2 includes fixed arc-shaped permanent magnet magnetic field, rotates and moved through the regenerator of magnetic field of permanent magnet
Disk 2032, the hot working medium filling bed 2031 of the magnetic being uniformly embedded on the regenerator Moving plate 2032.
Specifically, described magnetic field of permanent magnet includes outer magnet 201 and internal magnet 202, the outer magnet 201 and interior magnetic
Body 202 is respectively two concentric semicircles rings, and the external arc surface of inner magnet 202 is relative with the Inner arc surface of outer magnet 201, shape
Into the arc highfield region gap coordinated with the regenerator Moving plate gap.The width in described arc highfield region gap
For 10mm-40mm.
Specifically, described regenerator Moving plate 2032 is the circular hot working medium disk of magnetic, by low thermal conductivity material
It is process, the endoporus of described regenerator Moving plate 2032 is provided with internal tooth, and the internal tooth is connected by the external gear of transmission device
Connect motor, the certain rotating speed of activity for the regenerator Moving plate 2032 that transmission device can be made by corresponding gear train and its proportioning and
Direction of rotation will not be repeated here on the contrary, those skilled in the art can select suitable gear train and its proportioning as needed.
Uniformly it is covered with the circumferencial direction of described regenerator Moving plate some for assembling the hot working medium filling bed 2031 of the magnetic
Fan-shaped pylone, described fan-shaped pylone are highly 10mm-80mm.Thermal baffle is provided between two neighboring fan-shaped pylone, is prevented
Mutually leakage heat causes heat short circuit inside the hot working medium disk of magnetic between magnetic thermal conductive material in fan-shaped pylone.The hot working medium of described magnetic is filled out
The shape and the shape of the fan-shaped pylone for filling bed 2031 match, after being mixed by high heat conduction filler with magnetic thermal conductive material by
Compacting forms.
Specifically, as shown in figure 4, described interlayer lubrication heat conducting module 3 is in annular shape, centre is provided with ring-shaped guide rail
302.Fan-shaped pylone is circumferentially provided with described ring-shaped guide rail 302, is inserted in fan-shaped pylone with certain wear-resisting and heat conduction system
Several fan-shaped heat conduction lubrication blocks 301 or heat exchange of heat pipe, the fan-shaped pylone number and the magnetic in regenerator Moving plate 2032 are hot
The material filling number of bed 2031 is identical.The material of described fan-shaped heat conduction lubrication block 301 is graphite, ceramics, graphite foam copper
Or the high heat conductive material such as graphene.
The axial direction of regenerator Moving plate system for winding in each layer rotary magnetic refrigeration regenerator module carries out dextrorotation
Turn or rotate counterclockwise, and adjacent rotary magnetic refrigeration regenerator module in regenerator Moving plate direction of rotation on the contrary, making
Each hot periodicity of working medium filling bed 2031 of magnetic in ring-type regenerator Moving plate 2032 is obtained to enter magnetic field magnetization and exit magnetic field
Demagnetization, form the rotation of regenerator Moving plate, the fixed forms of motion of magnet.
The direction of rotation of regenerator Moving plate 2032 of adjacent two layers is on the contrary, each layer rotary magnetic refrigeration regenerator module passes through simultaneously
The form that connection stacks is combined.The rotary magnetic refrigeration regenerator modular structure of adjacent two layers as shown in Figure 3, revolves with first
Exemplified by rotatable magnetic refrigeration regenerator module 2 and the second rotary magnetic refrigeration regenerator module 4, upper and lower two regenerator Moving plates are anti-
Into rotary course, the hot working medium filling bed 2031 of magnetic of upper and lower correspondence position lubricates heat conducting module 3 by interlayer and carries out temperature
Heat conduction backheat under difference driving.Highfield area overlapping region is the high temperature exothermic area of system in upper and lower two layers of regenerator module.
Downfield area overlapping region is the low temperature heat absorption area of system in upper and lower two layers of rotatable magnetic refrigeration regenerator module.By to overlapping
The angle control in region, the size in high temperature exothermic area and low temperature heat absorption area can be controlled.
In infinitesimal backheat rotary room-temperature magnetic refrigerating system in parallel, the Distribution of Magnetic Field of each rotatable magnetic refrigeration regenerator module of layer
Region, direction of rotation, heat conduction backheat relation schematic diagram are as shown in Figure 5.Pass through hot junction heat-conductive heat-exchanger and the heat release zone phase of system
Connect, cold end heat-conductive heat-exchanger connects with the heat absorption area of system, other regions of regenerator, the hot working medium filling bed 2031 of magnetic with it is right
Answer the hot working medium filling bed 2031 of magnetic of position to lubricate heat conducting module 3 by interlayer and carry out finite time backheat, it is final to realize
Efficiently to hot junction heat release, from the magnetic reverse circulation of cold end heat absorption.
The present embodiment regenerator Moving plate can rotate in the gap that the outer magnet 201 is formed with inner magnet 202, return
The hot periodicity of working medium filling bed 2031 of magnetic in hot device Moving plate fan-shaped pylone enters and leaves outer magnet 201 and inner magnet
The 202 highfield regions formed.Each layer regenerator Moving plate slides between the ring-shaped guide rail 302 in interlayer lubrication heat conducting module 3.
The hot working medium filling bed 2031 of magnetic in each layer regenerator Moving plate lubricates heat conducting module 3 under temperature difference driving by interlayer
Fan-shaped heat conduction lubrication block 301 carries out spontaneous heat conduction thermal balance, and regenerative losses are reduced under the effect of multistage backheat.Pass through multi-layer rotating
Formula magnetic freeze regenerator modules in parallel, the magnetic treatment quality for the magnetic thermal conductive material that can be effectively increased in the system unit time and
The heat transfer efficiency of the hot working medium filling bed of magnetic is improved, so that cooling system amount gets a promotion.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to embodiment of the present utility model.For those of ordinary skill in the field, on the basis of described above
On can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.
All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in this reality
Within new scope of the claims.
Claims (10)
- A kind of 1. infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating, it is characterised in that：Including motor, transmission device, magnetic system Cold regenerator, the cold end heat-conductive heat-exchanger in the connection magnetic refrigeration regenerator heat absorption area, the connection magnetic refrigeration regenerator heat release The hot junction heat-conductive heat-exchanger in area, the magnetic refrigeration regenerator include being provided with high-temperature region thermal hole (102) and low-temperature space thermal hole (103) circular upper cover plate (101) and lower cover (7), coaxial superposition between described upper cover plate (101) and lower cover (7) At least two layers is provided with mutually in 180 degree distribution and oppositely oriented rotary magnetic refrigeration regenerator module, the motor to pass through Transmission device and the rotary magnetic refrigeration regenerator module drive connection, it is additionally provided between adjacent magnetic refrigeration regenerator module Interlayer lubrication heat conducting module (3).
- 2. the infinitesimal heat regenerative system in parallel according to claim 1 for room temperature magnetic refrigerating, it is characterised in that：Described rotation The regenerator that rotatable magnetic refrigeration regenerator module includes fixed arc-shaped permanent magnet magnetic field, rotates and pass through magnetic field of permanent magnet Moving plate (2032), the hot working medium filling bed (2031) of the magnetic being uniformly embedded on the regenerator Moving plate (2032).
- 3. the infinitesimal heat regenerative system in parallel according to claim 2 for room temperature magnetic refrigerating, it is characterised in that：It is described forever Magnets magnetic fields include outer magnet (201) and internal magnet (202), and the outer magnet (201) and inner magnet (202) are respectively two same Heart semicircular ring, the external arc surface of inner magnet (202) is relative with the Inner arc surface of outer magnet (201), is formed and the backheat The arc highfield region gap that device Moving plate gap coordinates.
- 4. the infinitesimal heat regenerative system in parallel according to claim 3 for room temperature magnetic refrigerating, it is characterised in that：Described arc The width in shape highfield region gap is 10mm-40mm.
- 5. the infinitesimal heat regenerative system in parallel according to claim 2 for room temperature magnetic refrigerating, it is characterised in that：Described returns Hot device Moving plate (2032) is the circular hot working medium disk of magnetic, is process by low thermal conductivity material, described regenerator moves The endoporus of disk (2032) is provided with internal tooth, is uniformly covered with the circumferencial direction of described regenerator Moving plate some described for assembling The fan-shaped pylone of the hot working medium filling bed (2031) of magnetic, thermal baffle is provided between two neighboring through hole.
- 6. the infinitesimal heat regenerative system in parallel according to claim 5 for room temperature magnetic refrigerating, it is characterised in that：Described fan Shape via height is 10mm-80mm.
- 7. the infinitesimal heat regenerative system in parallel according to claim 5 for room temperature magnetic refrigerating, it is characterised in that：Described magnetic The shape and the shape of the fan-shaped pylone of hot working medium filling bed (2031) match.
- 8. the infinitesimal heat regenerative system in parallel according to claim 2 for room temperature magnetic refrigerating, it is characterised in that：Described layer Between lubricate heat conducting module (3) in annular shape, centre is provided with ring-shaped guide rail (302).
- 9. the infinitesimal heat regenerative system in parallel according to claim 8 for room temperature magnetic refrigerating, it is characterised in that：Described ring Fan-shaped pylone is circumferentially provided with shape guide rail (302), inserts in fan-shaped pylone and is led with certain wear-resisting and thermal conductivity factor sector Heat lubrication block (301) or heat exchange of heat pipe, the fan-shaped pylone number are filled out with the magnetic thermal conductive material in regenerator Moving plate (2032) It is identical to fill bed (2031) number.
- 10. the infinitesimal heat regenerative system in parallel according to claim 9 for room temperature magnetic refrigerating, it is characterised in that：Described The material of fan-shaped heat conduction lubrication block (301) is graphite, ceramics, graphite foam copper or graphene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245024.2U CN206695450U (en) | 2017-03-14 | 2017-03-14 | A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720245024.2U CN206695450U (en) | 2017-03-14 | 2017-03-14 | A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931688A (en) * | 2017-03-14 | 2017-07-07 | 华南理工大学 | A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating |
| CN111174458A (en) * | 2020-01-13 | 2020-05-19 | 华南理工大学 | Radial infinitesimal regenerative system and refrigeration method for room-temperature magnetic refrigeration |
| WO2020177093A1 (en) * | 2019-03-06 | 2020-09-10 | 罗伯特·博世有限公司 | Magnetic refrigeration module and preparation method therefor |
-
2017
- 2017-03-14 CN CN201720245024.2U patent/CN206695450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931688A (en) * | 2017-03-14 | 2017-07-07 | 华南理工大学 | A kind of infinitesimal heat regenerative system in parallel for room temperature magnetic refrigerating |
| WO2020177093A1 (en) * | 2019-03-06 | 2020-09-10 | 罗伯特·博世有限公司 | Magnetic refrigeration module and preparation method therefor |
| CN111174458A (en) * | 2020-01-13 | 2020-05-19 | 华南理工大学 | Radial infinitesimal regenerative system and refrigeration method for room-temperature magnetic refrigeration |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171201 Termination date: 20200314 |