CN107726664A - Magnetic refrigerator - Google Patents
Magnetic refrigerator Download PDFInfo
- Publication number
- CN107726664A CN107726664A CN201711141005.6A CN201711141005A CN107726664A CN 107726664 A CN107726664 A CN 107726664A CN 201711141005 A CN201711141005 A CN 201711141005A CN 107726664 A CN107726664 A CN 107726664A
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- magnetic
- magneto
- rotary shaft
- refrigerator according
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- 239000012530 fluid Substances 0.000 claims abstract description 93
- 239000000463 material Substances 0.000 claims abstract description 85
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 94
- 230000008859 change Effects 0.000 claims description 22
- 230000000994 depressogenic effect Effects 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
- F25B2321/0022—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects with a rotating or otherwise moving magnet
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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]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention provides a magnetic refrigerator, which comprises a rotating shaft, a plurality of heat exchange pipelines arranged on the periphery of the rotating shaft and at least two magnetic field generators, wherein all the magnetic field generators are uniformly distributed on the rotating shaft. The magnetic refrigerator provided by the invention can ensure that each heat exchange pipeline is in an independent working state, the heat exchange pipelines do not interfere with each other and generate fluid exchange, and two magnetic heat material beds are arranged to ensure that the fluid needs to be demagnetized and radiated when flowing to the cold end, so that the refrigeration quantity reduction caused by the mixing of the fluids with different temperatures in the same heat exchange pipeline is prevented, the cold energy generated by the magnetic working medium is fully utilized, the flowing power can be provided for the fluid in each heat exchange pipeline by arranging the driving device, the flowing direction of the fluid can be controlled, the complex fluid distribution method is avoided, and the system structure is simplified.
Description
Technical field
The present invention relates to magnetic refrigeration technology field, particularly a kind of magnetic refrigerator.
Background technology
Magnetic Refrigeration Technique is a kind of New Refrigerating technology based on magnetothermal effect, and magnetothermal effect refers to magneto-caloric material in magnetic
The physical phenomenon of heat release or heat absorption when field enhancing or decrease.When magnetic field adds magnetic to magneto-caloric material, magneto-caloric material heating；Remove magnetic
During field, magneto-caloric material turns cold, and magnetic refrigeration is exactly that the purpose of refrigeration can be realized using the phenomenon of magnetothermal effect, but existing rotation
It is complicated, it is necessary to the problems such as fluid reversing distributing valve pipeline circulation to be present in rotatable magnetic refrigerator.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of stream is provided simply and without using the magnetic refrigerator of distributing valve.
A kind of magnetic refrigerator, including rotary shaft, a plurality of heat exchanging pipe and at least two for being arranged at the rotary shaft the week side of boss
Magnetic field generator, all magnetic field generators are uniformly distributed in the rotary shaft, and at least one magnetic field generator
With magnetic space is added, at least one magnetic field generator has degaussing space, has been arranged in series on each heat exchanging pipe
Two magneto-caloric material beds, all magneto-caloric material beds are formed after may be contained within described plus magnetic space and the degaussing Space Rotating
Change in magnetic area, and two magneto-caloric material beds being acted in synchronization on the same heat exchanging pipe change magnetic region
Domain magnetic is different, and the both ends of each heat exchanging pipe are respectively formed hot junction, and the centre position of two magneto-caloric material beds is formed
Cold end, and the fluid in each heat exchanging pipe can flow between two hot junctions and the cold end.
Axisymmetrical of two magneto-caloric material beds on the rotary shaft on each heat exchanging pipe.
The magnetic refrigerator also includes drive device, and the drive device connects with all heat exchanging pipes.
The drive device connects with least one hot junction of each heat exchanging pipe.
The described drive device connection in two hot junctions of each heat exchanging pipe, and can be in the drive device
Drive under fluid is back and forth flowed in the heat exchanging pipe.
The drive device includes a plurality of piston mechanisms, and a hot junction of each heat exchanging pipe is communicated with one
The individual piston mechanism, and the opposite in phase for two piston mechanisms being engaged with the same heat exchanging pipe.(piston machine
Structure can be arranged directly on one end of the remote magneto-caloric material bed in hot junction so that the piston mechanism can be drawn fluid into
Inside forms reciprocation cycle in releasing)
Fluid intake and fluid issuing are provided with the piston mechanism, the fluid intake is with the hot junction away from described
One end connection of magneto-caloric material bed, the fluid issuing connect with the hot junction with the centre position of the magneto-caloric material bed.
The fluid intake and the fluid outlet are provided with check valve, and the stream of the check valve of the fluid intake
Dynamic direction is pointed to inside the piston mechanism, and the hot junction and the magnetic are pointed in the flow direction of the check valve of the fluid issuing
The centre position of hot material bed.
The magnetic refrigerator also includes rotational power plant and piston mechanism driving structure, and the rotational power plant is institute
State piston mechanism driving structure and/or the rotary shaft provides rotational power, the piston mechanism driving structure is arranged at described
In rotary shaft, and all piston mechanisms can be driven to move back and forth under the rotation of the rotary shaft.
It is engaged with two piston mechanisms of each heat exchanging pipe with a piston mechanism driving structure,
All piston mechanism driving structures may be contained within the rotary shaft, and with corresponding to the rotation driving of the rotary shaft
The piston mechanism.
The piston mechanism driving structure is cam mechanism, is provided with push rod on the piston mechanism, all described to push away
Surface of the one end of the piston mechanism with the cam mechanism is engaged corresponding to bar protrusion.(if push rod, Neng Gouli
Make the reset of another piston mechanism or imbibition with the thrust of relative piston mechanism)
The drive device includes piston cylinder and piston, and the piston is arranged in the piston cylinder and by the piston cylinder
Both ends be divided into the pressure chambers of two variable volumes, two hot junctions of each heat exchanging pipe respectively with the same piston
Two pressure chambers on cylinder correspond connection.(piston is driven by reciprocating motion motor)
Fluid intake and fluid issuing are provided with each pressure chamber, the fluid intake and the hot junction are remote
One end connection of the magneto-caloric material bed, the fluid issuing connect with the hot junction and the centre position of the magneto-caloric material bed
It is logical.
The fluid intake and the fluid outlet are provided with check valve, and the stream of the check valve of the fluid intake
Dynamic direction is pointed to inside the piston mechanism, and the hot junction and the magnetic are pointed in the flow direction of the check valve of the fluid issuing
The centre position of hot material bed.
The drive device includes two-way pump, and each two-way pump is provided with two inlet and outlet, each heat exchange
Two hot junctions of pipeline correspond with two inlet and outlet of the same two-way pump and connected.
Each import and export is equipped with the first connecting pipeline and the second connecting pipeline, first connecting pipeline and institute
State one end connection of the hot junction away from the magneto-caloric material bed, second connecting pipeline and the hot junction and the magneto-caloric material bed
Centre position connection.
Check valve is provided with first connecting pipeline and second connecting pipeline, first connecting pipeline
The flow direction of check valve is pointed to inside the piston mechanism, and institute is pointed in the flow direction of the check valve of second connecting pipeline
State the centre position in hot junction and the magneto-caloric material bed.
Each magnetic field generator includes a rotor and a stator, and all rotors are uniformly distributed in described
Rotor assembly is formed in rotary shaft and is rotated with the rotary shaft, all track rings are around being arranged at the outer of the rotor assembly
Side forms stator module, and the described of annular is formed between the stator module and the rotor assembly and changes magnetic area, Suo Yousuo
State magneto-caloric material bed and be fixedly installed on the stator module and changed described on the side of magnetic area.
The stator module is provided with yoke away from described change on the side of magnetic area.
The rotor and/or the stator are made up of permanent magnet.
Depressed part is provided with the magnetic field generator, and the depressed part forms described plus magnetic space or degaussing space,
All magnetic field generators are uniformly distributed in the rotary shaft, and all depressed parts rotate to be formed with the rotary shaft
It is described to change magnetic area.
The section of the magnetic field generator is C-shaped, and the c-shaped opening of all magnetic field generators is directed away from the rotation
The direction of rotating shaft.
The magnetic field generator is made up of an at least block permanent magnet；Or the magnetic field generator by an at least block permanent magnet with
At least one piece of soft magnet composition.
The magnetic refrigerator also includes cool end heat exchanger, and the cold end of all heat exchanging pipes is juxtaposed on the cold end
Central refrigerating in heat exchanger；The magnetic refrigerator also includes hot end heat exchanger, and the hot junction of all heat exchanging pipes is set up in parallel
Radiating is concentrated in the hot end heat exchanger.
The magnetic refrigerator also includes rotary shaft drive mechanism, and the rotary shaft drive mechanism is directly or by transmission mechanism
The rotary shaft is driven to rotate.
The magnetic refrigerator also includes fan, and the fan is arranged in the rotary shaft, and the air-out court of the fan
To the hot junction of the heat exchanging pipe.
Magnetic refrigerator provided by the invention, by setting separate heat exchanging pipe, each heat exchanging pipe can be ensured
It is in the state of autonomous working, does not produce interference between each other, will not also produces fluid communication, and pass through and set two
Magneto-caloric material bed can ensure to be required to carry out degaussing radiating by magneto-caloric material bed when fluid is to the cold end flow, prevent
The fluid mixing of different temperatures in same heat exchanging pipe causes refrigerating capacity to decline, and makes full use of cold caused by magnetic working medium, leads to
Setting drive device is crossed, mobilization dynamic can be provided for the fluid in each heat exchanging pipe, and the flow direction for being capable of convection body is entered
Row control, avoid the fluid distribution method of complexity, simplied system structure.
Brief description of the drawings
Fig. 1 is the structural representation of magnetic refrigerator provided by the invention；
Fig. 2 is another structural representation of magnetic refrigerator provided by the invention；
Fig. 3 is another structural representation of magnetic refrigerator provided by the invention；
Fig. 4 is another structural representation of magnetic refrigerator provided by the invention；
Fig. 5 is another structural representation of magnetic refrigerator provided by the invention；
Fig. 6 is the side view of magnetic refrigerator provided by the invention
In figure：
1st, rotary shaft；2nd, heat exchanging pipe；3rd, magnetic field generator；4th, piston mechanism；5th, cam mechanism；6th, piston cylinder；7th, it is living
Plug；61st, pressure chamber；11st, magneto-caloric material bed；22nd, hot junction；21st, cold end；31st, rotor；32nd, stator；33rd, depressed part；41st, first
Piston mechanism；42nd, second piston mechanism；111st, the first magneto-caloric material bed；112nd, the second magneto-caloric material bed；10th, hot end heat exchanger；
9th, cool end heat exchanger.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
Magnetic refrigerator as shown in Figures 1 to 6, including rotary shaft 1, a plurality of heat exchange for being arranged at the week side of boss of rotary shaft 1
The magnetic field generator 3 of pipeline 2 and at least two, all magnetic field generators 3 are uniformly distributed in the rotary shaft 1, and at least
One magnetic field generator 3 has plus magnetic space, and at least one magnetic field generator 3 has degaussing space, each described
Two magneto-caloric material beds 11 are arranged in series on heat exchanging pipe 2, it is empty that all magneto-caloric material beds 11 may be contained within described plus magnetic
Between and the degaussing Space Rotating after formed change in magnetic area, and acted in synchronization on the same heat exchanging pipe 2
Two magneto-caloric material beds 11 change magnetic area magnetic difference, the both ends of each heat exchanging pipe 2 are respectively formed hot junction 22,
The centre position of two magneto-caloric material beds 11 forms cold end 21, and the fluid in each heat exchanging pipe 2 can be two
Flowed between the individual hot junction 22 and the cold end 21, all magnetic field generators 3 rotate with the rotary shaft 1 so that institute
There is the magneto-caloric material bed 11 to be constantly in by adding magnetic space and degaussing space, and then continuous plus magnetic and degaussing, make place
The fluid in portion is carried out adding magnetic or degaussing in the inner, and the change of temperature is realized in magnetic or demagnetization process is added, all to pass through degaussing
The fluid temperature (F.T.) in space, which reduces and flow to cold end 21, carries out the effect that heat absorption reaches refrigeration, and the fluid flow direction Jing Guo cold end 21 adds
Adding magnetic in magnetic space, temperature, which raises and flows to hot junction 22, to be radiated, for same heat exchanging pipe 2, internal flow flow direction
The magneto-caloric material bed 11 of cold end 21 is in degaussing space, and all fluid degaussings by the magneto-caloric material bed 11 flow to cold after cooling
The heat absorption of end 21, while another magneto-caloric material bed 11 on heat exchanging pipe 2 is in plus magnetic space, fluid therethrough add magnetic to heat up,
And flow to hot junction 22 and radiated, while all magnetic field generators 3 rotate with rotary shaft 1, add magnetic space and degaussing space
Position change, the fluid flow direction in heat exchanging pipe 2 is also changed and then realized and keeps persistently making in cold end 21
It is cold, radiated in two hot junctions 22 of heat exchanging pipe 2.
Wherein, the fluid flowed in all heating pipelines 2 is magnetic working medium.
Axisymmetrical of two magneto-caloric material beds 11 on the rotary shaft 1 on each heat exchanging pipe 2, side
Just the installation of heat exchanging pipe 2, it is also convenient for that all magnetic field generators 3 are installed.
The magnetic refrigerator also includes drive device, and the drive device is connected with all heat exchanging pipes 2, passed through
Drive device realizes the change of the flow direction of the fluid in all heat exchanging pipes 2, while drive device and all magnetic fields
Generator 3 is engaged, and is realized the magnetic field space changed while flowing to and changing residing for magneto-caloric material bed 11, is ensured that fluid passes through
Persistently freeze during cold end 21.
The drive device connects with least one hot junction 22 of each heat exchanging pipe 2, by being driven in hot junction 22
The flow direction of fluid in the heat exchanging pipe 2, type of drive can use the mode such as absorption and discharge to drive flow of fluid
With the change of flow direction.
The described drive device connection in two hot junctions 22 of each heat exchanging pipe 2, and can be in the driving
Fluid is set back and forth to be flowed in the heat exchanging pipe 2 under the drive of device.
The drive device includes a plurality of piston mechanisms 4, and a hot junction 22 of each heat exchanging pipe 2 connects
There are a piston mechanism 4, and the opposite in phase for two piston mechanisms 4 being engaged with the same heat exchanging pipe 2,
Wherein piston mechanism 4 can be arranged directly on one end of the remote magneto-caloric material bed 11 in hot junction 22 so that the piston machine
Structure 4 can draw fluid into inside and release to form reciprocation cycle again.
Fluid intake and fluid issuing are provided with the piston mechanism 4, the fluid intake and the hot junction 22 are remote
One end connection of the magneto-caloric material bed 11, the fluid issuing and the hot junction 22 and the interposition of the magneto-caloric material bed 11
Put connection so that piston mechanism 4 radiates in draw fluid process medium fluid by hot junction 22, and fluid is from fluid when releasing fluid
Outlet carries out degaussing cooling and flows to cold end 21 freezing in flowing directly out into magneto-caloric material bed 11.
The fluid intake and the fluid outlet are provided with check valve, and the stream of the check valve of the fluid intake
Dynamic direction is pointed to inside the piston mechanism 4, and the hot junction 22 and institute are pointed in the flow direction of the check valve of the fluid issuing
The centre position of magneto-caloric material bed 11 is stated, the one-way flow of fluid is ensured by the one-way conduction principle of check valve, avoiding makes
The problem of with dispensing valve.
The magnetic refrigerator also includes rotational power plant and the driving structure of piston mechanism 4, the rotational power plant are
The driving structure of piston mechanism 4 and/or the rotary shaft 1 provide rotational power, and the driving structure of piston mechanism 4 is arranged at
In the rotary shaft 1, and all piston mechanisms 4 can be driven to move back and forth under the rotation of the rotary shaft 1, it is same to change
Two piston mechanisms 4 in pipe line 2 can be driven two piston mechanisms by the driving structure of piston mechanism one or two described 4
4 drive the flow of fluid in the heat exchanging pipe 2 with the state of opposite in phase.
Match with two piston mechanisms 4 of each heat exchanging pipe 2 and a driving structure of piston mechanism 4
Close, all driving structures of piston mechanism 4 may be contained within the rotary shaft 1, and be driven with the rotation of the rotary shaft 1
The corresponding piston mechanism 4.
The driving structure of piston mechanism 4 is cam mechanism 5, and push rod is provided with the piston mechanism 4, all described
Surface of the one end of the piston mechanism 4 with the cam mechanism 5 is engaged corresponding to push rod protrusion, wherein the push rod
The thrust of relative piston mechanism 4, which can be utilized, be such that another piston mechanism 4 in same heat exchanging pipe 2 resets or imbibition, real
The purpose of flow of fluid in existing whole piece heat exchanging pipe 2.
The drive device includes piston cylinder 6 and piston 7, and the piston 7 is arranged in the piston cylinder 6 and by the work
The both ends of plug cylinder 6 are divided into the pressure chamber 61 of two variable volumes, two hot junctions 22 of each heat exchanging pipe 2 respectively with it is same
Two pressure chambers 61 on the individual piston cylinder 6 correspond connection, and exchange is realized by the volume change of two pressure chambers 61
The process of absorption or the releasing of fluid in pipe line 2.
Wherein, the maximum volume of the pressure chamber 61 can ensure proper flow of the fluid in the heat exchanging pipe 2.
Fluid intake and fluid issuing, the fluid intake and the hot junction 22 are provided with each pressure chamber 61
One end away from the magneto-caloric material bed 11 connects, in the fluid issuing and the hot junction 22 and the magneto-caloric material bed 11
Between position connect.
The fluid intake and the fluid outlet are provided with check valve, and the stream of the check valve of the fluid intake
Dynamic direction is pointed to inside the piston mechanism 4, and the hot junction 22 and institute are pointed in the flow direction of the check valve of the fluid issuing
State the centre position of magneto-caloric material bed 11.
The drive device includes two-way pump 8, and each two-way pump 8 is provided with two inlet and outlet, each described to change
Two hot junctions 22 of pipe line 2 correspond with two inlet and outlet of the same two-way pump 8 and connected.
Each import and export is equipped with the first connecting pipeline and the second connecting pipeline, first connecting pipeline and institute
State one end connection of the hot junction 22 away from the magneto-caloric material bed 11, second connecting pipeline and the hot junction 22 and magnetic heat
Material bed 11 centre position connection.
Check valve is provided with first connecting pipeline and second connecting pipeline, first connecting pipeline
The flow direction of check valve is pointed to inside the piston mechanism 4, and the flow direction of the check valve of second connecting pipeline is pointed to
The hot junction 22 and the centre position of the magneto-caloric material bed 11.
Each magnetic field generator 3 includes a rotor 31 and a stator 32, and all rotors 31 uniformly divide
It is distributed in the rotary shaft 1 and forms the component of rotor 31 and rotated with the rotary shaft 1, all stators 32 surround and are arranged at institute
The outside for stating the component of rotor 31 forms the component of stator 32, and annular is formed between the component of the stator 32 and the component of the rotor 31
It is described change magnetic area, all magneto-caloric material beds 11 are fixedly installed on the component of stator 32 and change magnetic area described in
On side, the change for adding magnetic space and degaussing space is realized by the rotation of rotor 31, is realized in the magnetic changed in magnetic area
Fluid in hot material bed 11 carries out plus magnetic or demagnetization.
The component of stator 32 is provided with yoke away from described change on the side of magnetic area, the yoke uses soft magnetic bodies material
Material is made, and increase plus the effect in magnetic space or degaussing space, increases refrigerating capacity.
The rotor 31 and/or the stator 32 are made up of permanent magnet.
Depressed part 33 is provided with the magnetic field generator 3, and the depressed part 33 forms described plus magnetic space or degaussing
Space, all magnetic field generators 3 are uniformly distributed in the rotary shaft 1, and all depressed parts 33 are with the rotation
The rotation of axle 1 changes magnetic area described in being formed, it is preferred that the depressed part 33 is in vertical with the axis of rotary shaft 1 same
In plane so that the magnetic area of changing is annulus, and all magneto-caloric material beds 11 are arranged in annulus, and Cheng Yuan
Shape is distributed, convenient that all magneto-caloric material beds 11 are arranged.
The section of the magnetic field generator 3 is C-shaped, and the c-shaped opening of all magnetic field generators 3 be directed away from it is described
The direction of rotary shaft 1.
The magnetic field generator 3 is made up of an at least block permanent magnet；Or the magnetic field generator 3 is by an at least block permanent magnet
Formed with least one block of soft magnet.
The magnetic refrigerator also includes cool end heat exchanger 9, and the cold ends 21 of all heat exchanging pipes 2 is juxtaposed on described
Central refrigerating in cool end heat exchanger 9；The magnetic refrigerator also includes hot end heat exchanger 10, the hot junction of all heat exchanging pipes 2
22 are juxtaposed on concentration radiating in the hot end heat exchanger 10.
The magnetic refrigerator also includes the drive mechanism of rotary shaft 1, and the drive mechanism of rotary shaft 1 is directly or by driver
Structure drives the rotary shaft 1 to rotate.
The magnetic refrigerator also includes fan, and the fan is arranged in the rotary shaft 1, and the air-out court of the fan
To the hot junction 22 of the heat exchanging pipe 2, the radiating effect in increase hot junction 22.
Embodiment 1
The quantity of the magnetic field generator 3 and magneto-caloric material bed 11 is two, and the magnetic field generator 3 and the magnetic
Hot material bed 11 is semicircular structure, and the magnetic field generator 3 includes rotor 31 and stator 32, and two magnetic fields occur
The rotor 31 of device 3 forms circular configuration and is set in rotary shaft 1, is rotated with rotary shaft 1, two stators 32 are arranged at the circle
The outside of shape structure, and form ring-type with the circular configuration and change magnetic area, two magneto-caloric material beds 11 are in the ring
Shape is changed in magnetic area.
The drive device is cam and piston mechanism 4, and the cam is fixedly installed in rotary shaft 1, and with rotary shaft 1
Freely rotate, while the outer surface of cam coordinates with two piston mechanisms 4, drives two piston mechanisms 4 to be in opposite in phase
Moved under state.
The cycle of the magnetic refrigerator of the application is divided into two cycles：
In the preceding cycle：
The rotation of cam causes the discharge opeing of first piston mechanism 41, the liquid collecting of second piston mechanism 42, while corresponding is magnetic field
The rotation of the rotor 31 of generator 3 causes the degaussing of the first magneto-caloric material bed 111, the second magneto-caloric material bed 112 plus magnetic.Fluid flows to
Second magneto-caloric material bed 112 is flowed to by the first magneto-caloric material bed 111, while leaves the liquid of first piston mechanism 41, due to list
Cut-off effect to valve can not flow to the second hot end heat exchanger 10, can only flow through first magnetic of the check valve flow direction in demagnetizing state
Hot material bed 111, flow to cool end heat exchanger 9 again after absorbing cold and exchanged heat, subsequently enter in plus magnetic the hot material of the second magnetic
Expect bed 112, after absorbing heat, because the cut-off of check valve acts on, the first hot end heat exchanger 10 can only be flowed to again and exchanged heat, then
Flow through check valve and enter the second second piston mechanism 42.In the preceding cycle, the heat exchanging fluid completed in first piston mechanism 41 passes through
System pipeline reaches second piston mechanism 42；
Cycle afterwards, the rotation of cam gear cause the liquid collecting of first piston mechanism 41, the discharge opeing of second piston mechanism 42, while right
What is answered is the rotation of the rotor 31 of magnetic field generator 3 so that the first magneto-caloric material bed 111 plus magnetic, the second magneto-caloric material bed 112 are gone
Magnetic.Fluid flow direction flows to the first magneto-caloric material bed 111 for the second magneto-caloric material bed 112, while leaves second piston mechanism 42
Liquid, same principle can only flow through check valve flow direction because the cut-off effect of check valve can not flow to the first hot end heat exchanger 10
The second magneto-caloric material bed 112 in demagnetizing state, flow to cool end heat exchanger 9 after obtaining cold and exchanged heat, subsequently enter place
In the first magneto-caloric material bed 111 for adding magnetic state, after absorbing heat, because the cut-off of check valve acts on, the second heat can only be flowed to
End heat exchanger 10 is exchanged heat, and is then flowed through check valve and is returned to first piston mechanism 41, after the completion of the cycle, and in next cycle
Repeat preceding cycle and rear cycle.
Such as the direction of arrow in Fig. 1 to Fig. 5：Solid arrow is the flow direction of the fluid in preceding cycle, after dotted arrow is
The flow direction of the fluid in cycle.
Embodiment 2
As different from Example 1, the magnetic field generator is that section is C-shaped, and the opening of C-shaped is directed away from rotary shaft
Direction, two magneto-caloric material beds 11 are in the annular that is formed after c-shaped opening rotates and change in magnetic area.
Embodiment 3
As different from Example 2, the quantity of the magnetic field generator 3 is multiple, and rotary shaft the week side of boss formed it is more
Individual annular changes magnetic area, and the quantity of the magneto-caloric material bed 11 is also to be multiple, and be distributed in different annulars as needed and change magnetic
In region.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (26)
- A kind of 1. magnetic refrigerator, it is characterised in that：Including rotary shaft (1), it is arranged at a plurality of heat exchange of the rotary shaft (1) the week side of boss Pipeline (2) and at least two magnetic field generators (3), all magnetic field generators (3) are uniformly distributed in the rotary shaft (1) On, and at least one magnetic field generator (3) has plus magnetic space, at least one magnetic field generator (3) have degaussing Space, two magneto-caloric material beds (11), all magneto-caloric material beds (11) have been arranged in series on each heat exchanging pipe (2) May be contained within being formed after described plus magnetic space and the degaussing Space Rotating changes in magnetic area, and is acted on together in synchronization Two magneto-caloric material beds (11) on one heat exchanging pipe (2) change magnetic area magnetic difference, each heat exchanger tube The both ends on road (2) are respectively formed hot junction (22), and each heat exchanging pipe (2) is in two magneto-caloric material beds (11) Between position form cold end (21), and the fluid in each heat exchanging pipe (2) can be in two hot junctions (22) and described Cold end flows between (21).
- 2. magnetic refrigerator according to claim 1, it is characterised in that：Described in two on each heat exchanging pipe (2) Axisymmetrical of the magneto-caloric material bed (11) on the rotary shaft (1).
- 3. magnetic refrigerator according to claim 1, it is characterised in that：The magnetic refrigerator also includes drive device, described Drive device connects with all heat exchanging pipes (2).
- 4. magnetic refrigerator according to claim 3, it is characterised in that：The drive device and each heat exchanging pipe (2) at least one hot junction (22) connection.
- 5. magnetic refrigerator according to claim 4, it is characterised in that：Two heat of each heat exchanging pipe (2) (22) described drive device connection is held, and fluid can be made under the drive of the drive device in the heat exchanging pipe (2) Interior reciprocal flowing.
- 6. magnetic refrigerator according to claim 3, it is characterised in that：The drive device includes a plurality of piston mechanisms (4), and a hot junction (22) of each heat exchanging pipe (2) is communicated with a piston mechanism (4), and with same institute State the opposite in phase for two piston mechanisms (4) that heat exchanging pipe (2) is engaged.
- 7. magnetic refrigerator according to claim 6, it is characterised in that：Fluid intake is provided with the piston mechanism (4) And fluid issuing, the fluid intake connect with the one end of the hot junction (22) away from the magneto-caloric material bed (11), the stream Body outlet connects with the hot junction (22) with the centre position of the magneto-caloric material bed (11).
- 8. magnetic refrigerator according to claim 7, it is characterised in that：The fluid intake and the fluid outlet are all provided with Check valve is equipped with, and piston mechanism (4) inside is pointed in the flow direction of the check valve of the fluid intake, the fluid goes out Point to the centre position of the hot junction (22) and the magneto-caloric material bed (11) in the flow direction of the check valve of mouth.
- 9. the magnetic refrigerator according to any one of claim 6 to 8, it is characterised in that：The magnetic refrigerator also includes turning Dynamic power set and piston mechanism driving structure, the rotational power plant are the piston mechanism driving structure and/or described Rotary shaft (1) provides rotational power, and the piston mechanism driving structure is arranged in the rotary shaft (1), and can be described All piston mechanisms (4) are driven to move back and forth under the rotation of rotary shaft (1).
- 10. magnetic refrigerator according to claim 9, it is characterised in that：Described in two of each heat exchanging pipe (2) Piston mechanism (4) is engaged with a piston mechanism driving structure, and all piston mechanism driving structures may be contained within On the rotary shaft (1), and with the piston mechanism (4) corresponding to the rotation driving of the rotary shaft (1).
- 11. magnetic refrigerator according to claim 10, it is characterised in that：The piston mechanism driving structure is cam mechanism (5) push rod, is provided with the piston mechanism (4), one end of the piston mechanism (4) corresponding to all push rods protrusions Surface with the cam mechanism (5) is engaged.
- 12. magnetic refrigerator according to claim 3, it is characterised in that：The drive device includes piston cylinder (6) and piston (7), the piston (7) is arranged in the piston cylinder (6) and the both ends of the piston cylinder (6) is divided into two variable volumes Pressure chamber (61), two hot junctions (22) of each heat exchanging pipe (2) respectively with two on the same piston cylinder (6) Pressure chamber (61) corresponds connection.(piston (7) is driven by reciprocating motion motor)
- 13. magnetic refrigerator according to claim 12, it is characterised in that：Stream is provided with each pressure chamber (61) Body entrance and fluid issuing, the fluid intake connect with the one end of the hot junction (22) away from the magneto-caloric material bed (11), The fluid issuing connects with the hot junction (22) with the centre position of the magneto-caloric material bed (11).
- 14. magnetic refrigerator according to claim 13, it is characterised in that：The fluid intake and the fluid outlet are equal Check valve is provided with, and piston mechanism (4) inside, the fluid are pointed in the flow direction of the check valve of the fluid intake Point to the centre position of the hot junction (22) and the magneto-caloric material bed (11) in the flow direction of the check valve of outlet.
- 15. magnetic refrigerator according to claim 3, it is characterised in that：The drive device includes two-way pump, each described Two-way pump is provided with two inlet and outlet, two hot junctions (22) of each heat exchanging pipe (2) with the same two-way pump Two it is described inlet and outlet correspond connection.
- 16. magnetic refrigerator according to claim 15, it is characterised in that：Each import and export is equipped with the first connection Pipeline and the second connecting pipeline, first connecting pipeline and the one end of the hot junction (22) away from the magneto-caloric material bed (11) Connection, second connecting pipeline connect with the hot junction (22) with the centre position of the magneto-caloric material bed (11).
- 17. magnetic refrigerator according to claim 16, it is characterised in that：First connecting pipeline connects with described second Check valve is provided with pipeline, the flow direction of the check valve of first connecting pipeline is pointed in the piston mechanism (4) Portion, the flow direction of the check valve of second connecting pipeline are pointed in the hot junction (22) and the magneto-caloric material bed (11) Between position.
- 18. magnetic refrigerator according to claim 1, it is characterised in that：Each magnetic field generator (3) includes one Rotor (31) and a stator (32), all rotors (31), which are uniformly distributed in the rotary shaft (1), forms rotor (31) Component and rotated with the rotary shaft (1), all stators (32) are around being arranged at the outside shape of the rotor (31) component The described of annular is formed into stator (32) component, and between the stator (32) component and the rotor (31) component and changes magnetic region Domain, all magneto-caloric material beds (11) are fixedly installed on the stator (32) component and changed described on the side of magnetic area.
- 19. magnetic refrigerator according to claim 18, it is characterised in that：Stator (32) component changes magnetic region away from described Yoke is provided with the side in domain.
- 20. magnetic refrigerator according to claim 18, it is characterised in that：The rotor (31) and/or the stator (32) It is made up of permanent magnet.
- 21. magnetic refrigerator according to claim 1, it is characterised in that：Depressed part is provided with the magnetic field generator (3) (33), and the depressed part (33) forms described plus magnetic space or degaussing space, and all magnetic field generators (3) are uniformly distributed In in the rotary shaft (1), and all depressed parts (33) with the rotary shaft (1) rotation formed described in change magnetic area.
- 22. magnetic refrigerator according to claim 21, it is characterised in that：The section of the magnetic field generator (3) is C-shaped, And the c-shaped opening of all magnetic field generators (3) is directed away from the direction of the rotary shaft (1).
- 23. magnetic refrigerator according to claim 21, it is characterised in that：The magnetic field generator (3) by least one piece forever Magnet forms；Or the magnetic field generator (3) is made up of an at least block permanent magnet and at least one block of soft magnet.
- 24. magnetic refrigerator according to claim 1, it is characterised in that：The magnetic refrigerator also includes cool end heat exchanger (9), the cold end (21) of all heat exchanging pipes (2) is juxtaposed on the cool end heat exchanger (9) interior central refrigerating；The magnetic Refrigeration machine also includes hot end heat exchanger (10), and the hot junction (22) of all heat exchanging pipes (2) is juxtaposed on the hot junction and changed Radiating is concentrated in hot device (10).
- 25. magnetic refrigerator according to claim 1, it is characterised in that：The magnetic refrigerator also includes rotary shaft driving machine Structure, the rotary shaft drive mechanism drive the rotary shaft (1) to rotate directly or by transmission mechanism.
- 26. magnetic refrigerator according to claim 1, it is characterised in that：The magnetic refrigerator also includes fan, the fan It is arranged in the rotary shaft (1), and the air-out of the fan is towards the hot junction (22) of the heat exchanging pipe (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711141005.6A CN107726664B (en) | 2017-11-16 | 2017-11-16 | Magnetic Refrigerator |
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|---|---|---|---|
| CN201711141005.6A CN107726664B (en) | 2017-11-16 | 2017-11-16 | Magnetic Refrigerator |
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| CN107726664B CN107726664B (en) | 2023-10-10 |
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| CN108679875A (en) * | 2018-04-10 | 2018-10-19 | 中科磁凌（北京）科技有限公司 | Room temperature magnetic refrigeration system with multiple refrigeration temperature areas |
| CN108895704A (en) * | 2018-06-12 | 2018-11-27 | 西安交通大学 | A kind of rotary room-temperature magnetic refrigerator varying duty control system and its control method |
| CN109186124A (en) * | 2018-09-10 | 2019-01-11 | 珠海格力电器股份有限公司 | Magnetic refrigerator magnet assembly structure, magnetic refrigerator and control method thereof |
| CN109506389A (en) * | 2018-11-08 | 2019-03-22 | 珠海格力电器股份有限公司 | Magnetic refrigeration heat exchange system |
| CN109612150A (en) * | 2018-11-15 | 2019-04-12 | 珠海格力电器股份有限公司 | Magnetic refrigeration system |
| CN109654765A (en) * | 2018-11-28 | 2019-04-19 | 珠海格力电器股份有限公司 | Magnetic refrigeration equipment and heat exchange system thereof |
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| CN114251866A (en) * | 2022-03-01 | 2022-03-29 | 南通市海门雪盾冷冻设备有限公司 | Transmission mechanism for magnetic refrigerator |
| CN114484925A (en) * | 2021-12-08 | 2022-05-13 | 包头稀土研究院 | High-efficiency counteractive magnetic refrigerator and heat exchange method |
| EP3967952A4 (en) * | 2019-05-09 | 2022-06-29 | Gree Electric Appliances, Inc. of Zhuhai | Magnetic refrigeration device |
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| CN109780751A (en) * | 2018-12-24 | 2019-05-21 | 珠海格力电器股份有限公司 | Magnetic refrigeration system |
| EP3967952A4 (en) * | 2019-05-09 | 2022-06-29 | Gree Electric Appliances, Inc. of Zhuhai | Magnetic refrigeration device |
| CN110887268A (en) * | 2019-10-14 | 2020-03-17 | 珠海格力电器股份有限公司 | Magnetic refrigeration regenerator and magnetic refrigeration system |
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| CN114484925B (en) * | 2021-12-08 | 2024-02-20 | 包头稀土研究院 | High-efficiency reaction type magnetic refrigerator and heat exchange method |
| CN114245669A (en) * | 2021-12-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Valve assembly, heat exchange assembly, cabinet cluster temperature control system and method and air conditioner room |
| CN114245669B (en) * | 2021-12-15 | 2022-09-23 | 珠海格力电器股份有限公司 | Valve assembly, heat exchange assembly, cabinet cluster temperature control system and method and air conditioner room |
| CN114251866A (en) * | 2022-03-01 | 2022-03-29 | 南通市海门雪盾冷冻设备有限公司 | Transmission mechanism for magnetic refrigerator |
| CN114251866B (en) * | 2022-03-01 | 2022-06-07 | 南通市海门雪盾冷冻设备有限公司 | Transmission mechanism for magnetic refrigerator |
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