CN111380250A - Magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device - Google Patents
Magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device Download PDFInfo
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- CN111380250A CN111380250A CN202010200450.0A CN202010200450A CN111380250A CN 111380250 A CN111380250 A CN 111380250A CN 202010200450 A CN202010200450 A CN 202010200450A CN 111380250 A CN111380250 A CN 111380250A
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- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
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Abstract
The invention provides a magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device, which comprises a magnetic refrigeration assembly, a torsional refrigeration assembly and a control valve assembly for connecting the magnetic refrigeration assembly and the torsional refrigeration assembly; the control valve assembly comprises a first pipeline and a second pipeline which are arranged side by side, a first control valve and a first heat exchanger are arranged on the first pipeline, and a second control valve is arranged on the second pipeline; and the magnetic refrigeration assembly is coupled with the torsional refrigeration assembly and continuously refrigerates by controlling the closing and opening of the first control valve and the second control valve.
Description
Technical Field
The application relates to the field of refrigeration, in particular to a refrigeration cycle device with magnetic refrigeration and torsional refrigeration coupled.
Background
The magnetocaloric effect is a thermal phenomenon caused by the change of the magnetic moment order of a magnetic material under a changing magnetic field. When the magnetic material is magnetized, the magnetic moment order degree is increased, the magnetic entropy is reduced, the temperature is increased, and heat is released to the outside; when demagnetizing, the magnetic moment order degree of the magnetic material is reduced, the magnetic entropy is increased, the temperature is reduced, and heat is absorbed from the outside. Compared with the traditional vapor compression refrigeration technology, the magnetic refrigeration technology is a solid refrigeration mode based on the magnetocaloric effect, adopts environment-friendly media such as water and the like as heat transfer fluid, and has the characteristics of zero greenhouse gas emission, zero ozone distribution and the like.
The refrigeration of the torsion can be realized by repeatedly twisting and untwisting certain specific torsion refrigeration materials, such as nickel-titanium alloy wires, rubber, fish wires and other materials, and adopting water and other environment-friendly media as heat transfer fluid. Like magnetic refrigeration, the refrigeration mode also has the characteristics of zero greenhouse gas emission, zero ozone distribution and the like.
Although both of the two refrigeration modes have higher theoretical refrigeration efficiency, the two refrigeration modes are not realized in engineering application at present, and the actual efficiency is low, so that the two refrigeration modes are difficult to be commercially applied. If the two can be combined, the efficiency is improved, and the application prospect can be improved. At present, in the aspect of refrigeration mode coupling, corresponding transmission systems are provided according to different refrigeration modes, and the transmission systems of the different refrigeration modes are not coupled, so that resource waste exists.
In view of the above, it is actually necessary to provide a new refrigeration cycle device with coupled magnetic refrigeration and torsional refrigeration.
Disclosure of Invention
In view of this, it is necessary to provide a refrigeration cycle device with coupled magnetic refrigeration and torsional refrigeration, which has low energy consumption, high refrigeration efficiency and good refrigeration effect.
In order to solve the technical problem, the application provides a magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device, which comprises a magnetic refrigeration assembly, a torsional refrigeration assembly and a control valve assembly for connecting the magnetic refrigeration assembly and the torsional refrigeration assembly; the control valve assembly comprises a first pipeline and a second pipeline which are arranged side by side, a first control valve and a first heat exchanger are arranged on the first pipeline, and a second control valve is arranged on the second pipeline; and the magnetic refrigeration assembly is coupled with the torsional refrigeration assembly and continuously refrigerates by controlling the closing and opening of the first control valve and the second control valve.
Preferably, the magnetic refrigeration assembly comprises a magnetic heat regenerator, an inner magnet sleeved on the magnetic heat regenerator, and an outer magnet sleeved on the inner magnet, wherein the magnetic heat regenerator, the inner magnet, and the outer magnet are coaxially arranged; and a first connecting end and a second connecting end are respectively arranged at two ends of the magnetic heat regenerator, and one end of the first pipeline and one end of the second pipeline are fixedly connected and communicated with the first connecting end.
Preferably, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device further comprises a third pipeline, and one end of the third pipeline is fixedly connected and communicated with the second connecting end; the third pipeline is provided with a second heat exchanger and a first pump body, the first pump body is arranged at one end, away from the second connecting end, of the third pipeline, and the second heat exchanger is arranged between the second connecting end and the first pump body.
Preferably, the torsional refrigeration assembly comprises a torsional refrigeration tube and a torsional refrigeration material accommodated in the torsional refrigeration tube; and a third connecting end and a fourth connecting end are respectively arranged at two ends of the twisted refrigerating pipe, and one ends of the first pipeline and the second pipeline, which are far away from the first connecting end, are fixedly connected and communicated with the third connecting end.
Preferably, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device further comprises a fourth pipeline, and one end of the fourth pipeline is fixedly connected and communicated with the fourth connecting end; and a third heat exchanger and a second pump body are arranged on the fourth pipeline, the second pump body is arranged at one end of the fourth pipeline far away from the fourth connecting end, and the third heat exchanger is arranged between the fourth connecting end and the second pump body.
Preferably, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device further comprises a transmission assembly, and the transmission assembly comprises a first driving assembly and a second driving assembly; the first driving assembly is fixedly connected with the inner magnet so as to drive the inner magnet to rotate; the second driving assembly is fixedly connected with one end of the torsional refrigeration material, so that the torsional refrigeration material is twisted or untwisted.
Preferably, the first driving assembly comprises a transmission member and a rotating shaft which is coaxially arranged with the transmission member and is fixedly connected with the transmission member, one end of the transmission member, which is far away from the rotating shaft, is fixedly connected with the inner magnet, and the rotating shaft drives the transmission member to rotate so as to drive the inner magnet to rotate; the second driving assembly comprises a crank connecting rod structure, a rotating rod fixed at one end of the crank connecting rod structure, and a dynamic sealing structure and a rolling bearing which are sleeved on the rotating rod; the dynamic sealing structure is fixed at one end of the torsional refrigerating pipe, the rolling bearing is accommodated and fixed in the torsional refrigerating pipe and is close to the dynamic sealing structure, and two ends of the torsional refrigerating material are respectively and fixedly connected with a connecting rod accommodated in the rolling bearing and one end of the torsional refrigerating pipe far away from the dynamic sealing structure.
Preferably, one end of the crank connecting rod structure, which is far away from the rotating rod, is rotatably connected with the rotating shaft; the magnetic refrigeration and torsional refrigeration coupling refrigeration cycle device further comprises a driving motor, wherein the driving motor is fixedly connected with the rotating shaft and drives the rotating shaft to rotate, and then drives the first driving assembly and the second driving assembly to synchronously move.
Preferably, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device further includes a guide rod (not shown), and the guide rod is respectively connected to the first pump body and the second pump body, so that the phases of the pistons of the first pump body and the second pump body are matched.
Preferably, the torsional refrigeration material is one of nickel-titanium alloy wires and rubber.
The magnetic refrigeration and torsional refrigeration coupling refrigeration cycle device is coupled with the torsional refrigeration assembly through the magnetic refrigeration assembly, so that a heat transfer medium flows in a third pipeline, the magnetic refrigeration assembly, the control valve assembly, the torsional refrigeration assembly and the fourth pipeline in a reciprocating mode, and cold and heat are transferred. Compared with the prior art, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device has the following beneficial effects: firstly, the environmental protection characteristic of a single refrigeration system is kept, and the greenhouse effect and the ozone layer damage are not generated; the refrigerating capacity and the refrigerating temperature span are improved compared with single magnetic refrigeration and single torsional refrigeration; thirdly, a refrigeration temperature area capable of compensating the magnetic refrigeration working medium loss; fourthly, the refrigeration efficiency can be improved, and the application prospects of two refrigeration modes are expanded; and fifthly, coupling of transmission systems of refrigeration modes is realized, one motor system drives two refrigeration systems, and the refrigeration system has the effects of reducing energy consumption and saving cost compared with the refrigeration system controlled by one motor system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device according to the present application;
fig. 2 is a schematic structural diagram of a magnetic refrigeration assembly and a third pipeline in the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device shown in fig. 1;
fig. 3 is a schematic structural diagram of a torsional refrigeration assembly and a fourth pipeline in the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device shown in fig. 1;
fig. 4 is a schematic structural diagram of a control valve assembly in the refrigeration cycle device with coupled magnetic refrigeration and torsional refrigeration shown in fig. 1;
fig. 5 is a schematic structural view of a transmission assembly and a driving motor in the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device shown in fig. 1;
description of the symbols of the main mechanisms
A magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100; a magnetic refrigeration assembly 10; a magnetic heat regenerator 11; a first connection end 111; a second connection end 112; a magnetocaloric working medium 113; an inner magnet 12; an outer magnet 13; a torsional refrigeration assembly 20; twisting the refrigeration pipe 21; twisting the refrigerant material 22; a third connection end 211; a fourth connection end 212; a control valve assembly 30; the first control valve 311; a first heat exchanger 312; a first pipe 31; a second conduit 32; the second control valve 321; a third pipeline 40; a second heat exchanger 41; the first pump body 42; a fourth line 50; a third heat exchanger 51; a second pump body 52; a transmission assembly 60; a first drive assembly 61; a second drive assembly 62; a transmission member 611; a rotating shaft 612; a crank link structure 621; a rotating rod 622; a dynamic seal structure 623; a rolling bearing 624; the motor 70 is driven.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments.
Referring to fig. 1, the present invention provides a magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device, which includes a magnetic refrigeration assembly 10, a torsional refrigeration assembly 20, and a control valve assembly 30 connecting the magnetic refrigeration assembly 10 and the torsional refrigeration assembly 20. The control valve assembly 30 includes a first pipeline 31 and a second pipeline 32 arranged side by side, the first pipeline 31 is provided with a first control valve 311 and a first heat exchanger 312, and the second pipeline 32 is provided with a second control valve 321. The magnetic refrigeration assembly 10 is coupled with the torsional refrigeration assembly 20 and continuously refrigerates by controlling the closing and opening of the first control valve 311 and the second control valve 321.
In the first embodiment, the first control valve 311 is first controlled to open, the second control valve 321 is controlled to close, and the heat transfer medium flows from the magnetic refrigeration assembly 10 to the torsional refrigeration assembly 20 through the first pipeline 31. Specifically, the heat transfer medium absorbs the heat in the magnetic refrigeration component 10 in the excitation state, and then the temperature of the heat transfer medium is increased, and the heat transfer medium enters the torsional refrigeration component 20 after the heat transfer with the outside through the first heat exchanger 312 is reduced; the heat transfer medium enters the torsional refrigeration assembly 20 in a twisted state and absorbs heat from the torsional refrigeration assembly 20.
Then, the first control valve 311 is controlled to be closed, the second control valve 321 is controlled to be opened, and the heat transfer medium flows from the torsional refrigeration assembly 20 to the magnetic refrigeration assembly 10 through the second pipeline 32. Specifically, the heat of the heat transfer medium is absorbed by the twisted refrigeration component 20 in the untwisted state and then reduced in temperature, and then directly enters the magnetic refrigeration component 10 through the second pipeline 32, and the heat of the heat transfer medium is absorbed by the magnetic refrigeration component 10 in the demagnetized state and then reduced in temperature again. Through the coupling design of magnetic refrigeration and torsional refrigeration, the refrigerating capacity is superposed. The above-described process is reciprocated, and continuous refrigeration of the refrigeration cycle device 100 in which the magnetic refrigeration and the torsional refrigeration are coupled is realized.
In the second embodiment, the first control valve 311 is first controlled to open, the second control valve 321 is controlled to close, and the heat transfer medium flows from the twisted cooling module 20 to the magnetic cooling module 10 through the first pipeline 31. Specifically, the temperature of the heat transfer medium is increased after absorbing the heat of the twisted refrigeration assembly 20, the heat transfer medium enters the magnetic refrigeration assembly 10 after exchanging heat with the outside through the first heat exchanger 312 in the first pipeline 31, and the heat transfer medium enters the magnetic refrigeration assembly 10 in the excitation state and absorbs the heat of the magnetic refrigeration assembly 10.
Then, the first control valve 311 is controlled to be closed, the second control valve 321 is controlled to be opened, and the heat transfer medium flows from the magnetic refrigeration assembly 10 to the torsional refrigeration assembly 20 through the second pipeline 32. Specifically, the temperature of the heat in the heat transfer medium is reduced after the heat is absorbed by the demagnetized magnetic refrigeration component 10, and the heat enters the torsional refrigeration component 20 through the second pipeline 32, and the temperature of the heat transfer medium is reduced again after the heat is absorbed by the torsional refrigeration component 20 in the untwisted state. Through the coupling design of magnetic refrigeration and torsional refrigeration, the refrigerating capacity is superposed. The processes are operated in a reciprocating mode, and continuous refrigeration of the refrigeration cycle device with magnetic refrigeration and torsional refrigeration coupled is achieved.
Specifically, the magnetic refrigeration assembly 10 includes a magnetic heat regenerator 11, an inner magnet 12 sleeved on the magnetic heat regenerator 11, and an outer magnet 13 sleeved on the inner magnet 12, wherein the magnetic heat regenerator 11, the inner magnet 12, and the outer magnet 13 are coaxially disposed. A first connection end 111 and a second connection end 112 are respectively arranged at two ends of the magnetic heat regenerator 11, and one ends of the first pipeline 31 and the second pipeline 32 are both fixedly connected and communicated with the first connection end 111. The heat transfer medium is contained in the magnetic regenerator 11 and is communicated with the first pipeline 31 and the second pipeline 32 through the first connection end 111.
In addition, the magnetic heat regenerator 11 further includes a magnetocaloric working medium 113, and the heating or cooling of the heat transfer medium contained in the magnetic heat regenerator 11 is realized by exciting or demagnetizing the magnetocaloric working medium 113.
The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 further comprises a third pipeline 40, and one end of the third pipeline 40 is fixedly connected and communicated with the second connecting end 112. The third pipeline 40 is provided with a second heat exchanger 41 and a first pump body 42, the first pump body 42 is disposed at one end of the third pipeline 40 far from the second connection end 112, and the second heat exchanger 41 is disposed between the second connection end 112 and the first pump body 42. The heat transfer medium cooled by the magnetic refrigeration component 10 flows into the second heat exchanger 41, and transfers the generated cold energy into the environment needing refrigeration, and at this time, the second heat exchanger 41 is a low-temperature end. Or the heat transfer medium heated by the magnetic refrigeration component 10 flows into the second heat exchanger 41 to exchange heat with the surrounding environment, and the second heat exchanger 41 is at a high temperature end. The first pump 42 is used to flow heat transfer medium from the magnetic refrigeration assembly 10 to the torsional refrigeration assembly 20.
The twisted refrigeration assembly 20 includes a twisted refrigeration tube 21 and a twisted refrigeration material 22 housed in the twisted refrigeration tube 21. A third connecting end 211 and a fourth connecting end 212 are respectively arranged at two ends of the twisted refrigerating pipe 21, and one ends of the first pipeline 31 and the second pipeline 32 far away from the first connecting end 111 are fixedly connected and communicated with the third connecting end 211. The twisted refrigerating pipe 21 is communicated with the first pipeline 31 and the second pipeline 32 through the third connecting end 211. In the present embodiment, the torsional refrigeration material 22 is one of nitinol wire and rubber.
The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 further comprises a fourth pipeline 50, and one end of the fourth pipeline 50 is fixedly connected and communicated with the fourth connecting end 212. The fourth pipeline 50 is provided with a third heat exchanger 51 and a second pump body 52, the second pump body 52 is disposed at one end of the fourth pipeline 50 far from the fourth connection end 212, and the third heat exchanger 51 is disposed between the fourth connection end 212 and the second pump body 52. The heat transfer medium cooled by the torsional refrigeration component 20 flows into the third heat exchanger 51, and transfers the generated cold energy into the environment needing refrigeration, and at this time, the third heat exchanger 51 is a low-temperature end. Or the heat transfer medium heated by the torsional refrigeration assembly 20 flows into the third heat exchanger 51 to exchange heat with the surrounding environment, and the third heat exchanger 51 is at the high temperature end. The second pump body 52 is used to flow the heat transfer medium from the torsional refrigeration assembly 20 to the magnetic refrigeration assembly 10.
The first pump body 42 and the second pump body 52 are respectively connected with the magnetic refrigeration assembly 10 and the torsional refrigeration assembly 20, so that a heat transfer medium reciprocates in the second heat exchanger 41, the magnetic refrigeration assembly 10, the control valve assembly 30, the torsional refrigeration assembly 20 and the third heat exchanger 51, and refrigeration capacity superposition is further realized.
Specifically, the magnetocaloric working medium 113 and the twisted refrigeration material 22 are preferably in matching temperature zones, that is, the temperature of the twisted refrigeration material after cooling is near the curie point of the magnetocaloric working medium 113. Through the matching selection of the magnetocaloric working medium 113 and the torsional refrigeration material 22, the torsional refrigeration material 22 transfers the cold energy to the heat transfer medium, and the heat transfer medium transfers the cold energy to the magnetocaloric working medium 113. The cold energy temperature of the heat transfer medium is near the curie point temperature of the magnetocaloric working medium 113, so the magnetocaloric effect of the magnetocaloric working medium 113 is significant, and more cold energy is generated. In this embodiment, the magnetocaloric working medium 113 is gadolinium, and the twisting and untwisting degree or the fluid flow rate of the torsional refrigeration is adjusted and controlled, so that the temperature of the heat transfer fluid after the torsional refrigeration is 298k, the difference between the temperature of the heat transfer fluid entering the magnetic refrigeration assembly 10 and the curie temperature point 293k of the magnetocaloric working medium is 5k, the magnetocaloric effect is significant near the curie temperature, and more refrigeration capacity is generated.
The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 further comprises a transmission assembly 60, wherein the transmission assembly 60 comprises a first driving assembly 61 and a second driving assembly 62. The first driving assembly 61 is fixedly connected with the inner magnet 12 to drive the inner magnet 12 to rotate, so that the magnetic heat working medium 113 is excited and demagnetized. The second driving assembly 32 is fixedly connected to one end of the twisted refrigerant material 22 so as to twist or untwist the twisted refrigerant material 22.
In this embodiment, the first driving assembly 61 includes a transmission member 611 and a rotating shaft 612 coaxially disposed and fixedly connected to the transmission member 611, one end of the transmission member 611 far from the rotating shaft 612 is fixedly connected to the inner magnet 12, and the rotating shaft 612 drives the transmission member 611 to rotate so as to drive the inner magnet 12 to rotate. The second driving assembly 62 includes a crank connecting rod structure 621, a rotating rod 622 fixed at one end of the crank connecting rod structure 621, and a dynamic sealing structure 623 and a rolling bearing 624 sleeved on the rotating rod 622. The dynamic sealing structure 623 is fixed at one end of the torsional refrigerating tube 21, the rolling bearing 624 is accommodated and fixed in the torsional refrigerating tube 21 and is close to the dynamic sealing structure 623, and two ends of the torsional refrigerating material 22 are respectively and fixedly connected with the connecting rod 622 accommodated in the rolling bearing 624 and one end of the torsional refrigerating tube 21 far away from the dynamic sealing structure 623. The crank-link mechanism 621 drives the rotating rod 622 to rotate, and further drives the twisted refrigerant material 22 fixed on the rotating rod 622 to twist or untwist. The rotating bearing 624 is used for constraining the rotating rod 622 so that the rotating rod 622 can rotate coaxially relative to the twisted refrigerating pipe 21. The dynamic sealing structure 623 is used for sealing the twisted refrigerating pipe 21 and preventing the heat transfer medium in the twisted refrigerating pipe 21 from leaking.
Further, an end of the crank connecting rod structure 621 away from the rotating rod 622 is rotatably connected to the rotating shaft 612. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 further comprises a driving motor 70, wherein the driving motor 70 is fixedly connected with the rotating shaft 612 and drives the rotating shaft 612 to rotate, so as to drive the first driving assembly 61 and the second driving assembly 62 to move synchronously. The 1 driving motor 70 outputs power to the first driving assembly 61 and the second driving assembly 62 at the same time, so that the first driving assembly 61 and the second driving assembly 62 are matched to run, the working time sequence of the magnetization of the magnetocaloric working medium 113 and the twisting of the torsional refrigerating material 22 is matched, and the working time sequence of the demagnetization of the magnetocaloric working medium 113 and the untwisting of the torsional refrigerating material 22 is matched.
The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 further includes a guide rod (not shown), and the guide rod is respectively connected to the first pump 42 and the second pump 52, so that the phases of the pistons of the first pump 42 and the second pump 52 are matched.
The magnetic refrigeration and torsional refrigeration coupling refrigeration cycle device 100 is coupled with the torsional refrigeration assembly 20 through the magnetic refrigeration assembly 10, so that a heat transfer medium flows in a third pipeline 40, the magnetic refrigeration assembly 10, the control valve assembly 30, the torsional refrigeration assembly 20 and the fourth pipeline 50 in a reciprocating manner, and cold and heat are transferred. Compared with the prior art, the magnetic refrigeration and torsional refrigeration coupled refrigeration cycle device 100 has the following beneficial effects: firstly, the environmental protection characteristic of a single refrigeration system is kept, and the greenhouse effect and the ozone layer damage are not generated. And secondly, the refrigerating capacity and the refrigerating temperature span are improved compared with single magnetic refrigeration and single torsional refrigeration. And thirdly, a refrigeration temperature area capable of compensating the magnetic refrigeration working medium loss. Fourthly, the refrigeration efficiency can be improved, and the application prospects of two refrigeration modes are expanded. And fifthly, coupling of transmission systems of refrigeration modes is realized, one motor system drives two refrigeration systems, and the refrigeration system has the effects of reducing energy consumption and saving cost compared with the refrigeration system controlled by one motor system.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A magnetic refrigeration and torsional refrigeration coupling refrigeration cycle device is characterized by comprising a magnetic refrigeration assembly, a torsional refrigeration assembly and a control valve assembly for connecting the magnetic refrigeration assembly and the torsional refrigeration assembly; the control valve assembly comprises a first pipeline and a second pipeline which are arranged side by side, a first control valve and a first heat exchanger are arranged on the first pipeline, and a second control valve is arranged on the second pipeline; and the magnetic refrigeration assembly is coupled with the torsional refrigeration assembly and continuously refrigerates by controlling the closing and opening of the first control valve and the second control valve.
2. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 1, wherein: the magnetic refrigeration assembly comprises a magnetic heat regenerator, an inner magnet sleeved on the magnetic heat regenerator and an outer magnet sleeved on the inner magnet, wherein the magnetic heat regenerator, the inner magnet and the outer magnet are coaxially arranged; and a first connecting end and a second connecting end are respectively arranged at two ends of the magnetic heat regenerator, and one end of the first pipeline and one end of the second pipeline are fixedly connected and communicated with the first connecting end.
3. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 2, wherein: the first pipeline is fixedly connected with the first connecting end and communicated with the second connecting end; the third pipeline is provided with a second heat exchanger and a first pump body, the first pump body is arranged at one end, away from the second connecting end, of the third pipeline, and the second heat exchanger is arranged between the second connecting end and the first pump body.
4. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 2, wherein: the torsional refrigeration assembly comprises a torsional refrigeration pipe and a torsional refrigeration material contained in the torsional refrigeration pipe; and a third connecting end and a fourth connecting end are respectively arranged at two ends of the twisted refrigerating pipe, and one ends of the first pipeline and the second pipeline, which are far away from the first connecting end, are fixedly connected and communicated with the third connecting end.
5. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 4, wherein: the pipeline is characterized by also comprising a fourth pipeline, wherein one end of the fourth pipeline is fixedly connected and communicated with the fourth connecting end; and a third heat exchanger and a second pump body are arranged on the fourth pipeline, the second pump body is arranged at one end of the fourth pipeline far away from the fourth connecting end, and the third heat exchanger is arranged between the fourth connecting end and the second pump body.
6. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 5, wherein: the transmission assembly comprises a first driving assembly and a second driving assembly; the first driving assembly is fixedly connected with the inner magnet so as to drive the inner magnet to rotate; the second driving assembly is fixedly connected with one end of the torsional refrigeration material, so that the torsional refrigeration material is twisted or untwisted.
7. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 6, wherein: the first driving assembly comprises a driving piece and a rotating shaft which is coaxially arranged with the driving piece and is fixedly connected with the driving piece, one end of the driving piece, far away from the rotating shaft, is fixedly connected with the inner magnet, and the rotating shaft drives the driving piece to rotate so as to drive the inner magnet to rotate; the second driving assembly comprises a crank connecting rod structure, a rotating rod fixed at one end of the crank connecting rod structure, and a dynamic sealing structure and a rolling bearing which are sleeved on the rotating rod; the dynamic sealing structure is fixed at one end of the torsional refrigerating pipe, the rolling bearing is accommodated and fixed in the torsional refrigerating pipe and is close to the dynamic sealing structure, and two ends of the torsional refrigerating material are respectively and fixedly connected with a connecting rod accommodated in the rolling bearing and one end of the torsional refrigerating pipe far away from the dynamic sealing structure.
8. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 7, wherein: one end of the crank connecting rod structure, which is far away from the rotating rod, is rotationally connected with the rotating shaft; the magnetic refrigeration and torsional refrigeration coupling refrigeration cycle device further comprises a driving motor, wherein the driving motor is fixedly connected with the rotating shaft and drives the rotating shaft to rotate, and then drives the first driving assembly and the second driving assembly to synchronously move.
9. The magnetic refrigeration and torsional refrigeration coupled refrigeration cycle apparatus of claim 5, wherein: the pump further comprises a guide rod, and the guide rod is connected with the first pump body and the second pump body respectively, so that the phases of the pistons of the first pump body and the second pump body are matched.
10. The refrigeration cycle apparatus of claim 8, wherein: the torsional refrigeration material is one of nickel-titanium alloy wires and rubber.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115218534A (en) * | 2022-06-30 | 2022-10-21 | 安徽建筑大学 | Torsional heating refrigerating device and refrigerating method thereof |
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| CN111380250B (en) | 2020-12-18 |
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