CN204240633U - Magnetic refrigerator and magnetic refrigeration apparatus thereof - Google Patents
Magnetic refrigerator and magnetic refrigeration apparatus thereof Download PDFInfo
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- CN204240633U CN204240633U CN201420713569.8U CN201420713569U CN204240633U CN 204240633 U CN204240633 U CN 204240633U CN 201420713569 U CN201420713569 U CN 201420713569U CN 204240633 U CN204240633 U CN 204240633U
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Abstract
The utility model discloses a kind of magnetic refrigerator and magnetic refrigeration apparatus thereof, described magnetic refrigeration apparatus comprises: cylinder body, is provided with at least two sliding cavities in cylinder body; Piston rod part, piston rod part and sliding cavity are corresponding respectively and each piston is engaged in corresponding sliding cavity slidably; Magnetic working medium and magnetic part; Rolling plate, one end of connecting rod is connected on rolling plate, rolling plate is configured with rolling board plane; Drive unit, drive unit comprises drive motors and driving-disc, driving-disc is provided with driving-disc inclined-plane, driving-disc inclined-plane coordinates with rolling board plane in the process that driving-disc is rotated, rolling strip moves piston rod part and move back and forth along on the length direction of connecting rod.According to magnetic refrigeration apparatus of the present utility model, can be continuously by the convert rotational motion of drive motors, straight reciprocating motion fast, operational efficiency be high, thus can improve and improve the refrigerating efficiency of magnetic refrigerator.
Description
Technical field
The utility model relates to magnetic refrigerating field, especially relates to a kind of magnetic refrigeration apparatus and has its magnetic refrigerator.
Background technology
Magnetic refrigeration is a kind of technology of freezing based on the magnetothermal effect principle of magnetic material.Magnetothermal effect is that magnetic material carries out causing material to inhale a kind of character of heat release in excitation and demagnetization process due to inner magnetic entropy change in magnetic field, when being namely added to the magnetic field increase of magnetic material, its temperature raises, when being applied to the magnetic field reduction of magnetic material, temperature reduces, and it is the intrinsic property of magnetic material.Magnetic refrigeration realizes refrigeration object by the magnetothermal effect of magnetic material, is a kind ofly have environmental protection, energy-conservation new Refrigeration Technique.Magnetic refrigerator is exactly a kind of refrigeration machine utilizing magnetic refrigeration principle to prepare.
Nearly decades are the Application and Development of magnetic Refrigeration Technique grow up, and due to its environmental protection, are efficiently subject to various countries' most attention, and acquisition is in progress more significantly.The operational efficiency of magnetic refrigerator of the prior art is low, thus refrigerating efficiency is lower, haves much room for improvement.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of magnetic refrigeration apparatus, the operational efficiency of this magnetic refrigeration apparatus is high, thus can improve and improve the refrigerating efficiency of magnetic refrigerator.
The utility model also proposes a kind of magnetic refrigerator with this magnetic refrigeration apparatus.
According to the magnetic refrigeration apparatus of the utility model first aspect, comprising: cylinder body, be provided with at least two spaced sliding cavities in described cylinder body, in described sliding cavity, be filled with heat exchange agent; Piston rod part, the connecting rod that described piston rod part comprises piston and is connected with described piston, described piston rod part is corresponding respectively with described sliding cavity and each described piston is engaged in corresponding described sliding cavity slidably; Magnetic working medium and the magnetic part arranged in pairs, one in described magnetic working medium and described magnetic part to be arranged on described piston and another is fixed on described sliding cavity; Rolling plate, described piston corresponding to the distance of each described connecting rod one end far away is connected on described rolling plate, and described rolling plate is configured with rolling board plane; And drive unit, described drive unit comprises: drive motors and driving-disc, described drive motors is connected with described driving-disc and is arranged for and drives described driving-disc to rotate around the axis of described driving-disc, described driving-disc is provided with the driving-disc inclined-plane be oppositely arranged with described rolling board plane, described driving-disc inclined-plane coordinates in the process that described driving-disc is rotated with described rolling board plane, described rolling strip moves described piston rod part and move back and forth along on the length direction of described connecting rod.
According to magnetic refrigeration apparatus of the present utility model, by utilizing, there is the driving-disc on driving-disc inclined-plane and coordinating between the rolling plate with rolling board plane, the rotational motion of motor shaft can be converted to the reciprocating motion of piston rod part, that is, the rotary speed movement of the motor shaft of drive motors is converted into continuously, straight reciprocating motion fast, such mechanism stable, and the movement travel of piston rod part is short.And cylinder body is provided with multiple sliding cavity, multiple piston rod part corresponds to multiple sliding cavity and arranges, and multiple piston rod part is connected by rolling plate with drive unit, multiple like this piston moves in multiple sliding cavity, the number of times superposition of multiple magnetothermal effect within the unit interval can be formed, improve the frequency of magnetothermal effect, improve the operational efficiency of magnetic refrigerator, improve and improve the refrigerating efficiency of magnetic refrigerator.
In addition, also following additional technical feature can be had according to magnetic refrigeration apparatus of the present utility model:
According to an embodiment of the present utility model, described piston corresponding to the distance of described connecting rod one end far away is configured to the first sphere structure, being embedded at least partially on the sidewall away from described rolling board plane of described rolling plate of described first sphere structure.
According to an embodiment of the present utility model, the nearer one end of described piston corresponding to the distance of described connecting rod is configured to the second sphere structure, described second sphere structure be embedded at least partially described piston towards on the end face in described connecting rod direction.
According to an embodiment of the present utility model, described magnetic refrigeration apparatus also comprises elastic device, and one end of described elastic device is only against on described cylinder body and the other end is only against on the sidewall away from described rolling board plane of described rolling plate.
According to an embodiment of the present utility model, the inside being contained in described cylinder body at least partially of described elastic device and described elastic device comprise: spring, one end of described spring be only against described cylinder body towards on the inwall of described drive unit; Push rod, described push rod is connected with the other end of described spring; Bulb, described bulb to be located on described push rod and being embedded at least partially on the sidewall away from described rolling board plane of described rolling plate of described bulb.
According to an embodiment of the present utility model, in the plane of the glide direction perpendicular to described piston described cylinder body be projected as circle, described sliding cavity is arranged around the center uniform intervals of described cylinder body.
According to an embodiment of the present utility model, in the plane of the glide direction perpendicular to described piston, described driving-disc is projected as circle.
According to an embodiment of the present utility model, being made up of described magnetic working medium at least partially of described piston, described magnetic part is fixed on described sliding cavity.
According to an embodiment of the present utility model, described sliding cavity is divided into the Liang Ge sub-chamber be interconnected in the glide direction of described piston, and described magnetic part is fixed on in described Liang Ge sub-chamber.
According to an embodiment of the present utility model, the two ends being provided with the described sub-chamber of the correspondence of described magnetic part are provided with magnetic isolation plate.
According to an embodiment of the present utility model, the inner side of described magnetic part is provided with flux sleeve, and the length of described flux sleeve is equal with the length of described magnetic part.
According to an embodiment of the present utility model, between described driving-disc inclined-plane and described rolling board plane, be provided with rolling mechanism.
According to an embodiment of the present utility model, described rolling mechanism is needle bearing.
According to an embodiment of the present utility model, the open at one end of the described drive unit of vicinity of described sliding cavity and the uncovered end plate be provided with for sliding cavity described in capping, described connecting rod is through described end plate.
According to an embodiment of the present utility model, described connecting rod and described rolling plate, described piston to be formed as one structure by sintering process.
Magnetic refrigerator according to the utility model second aspect comprises: the magnetic refrigeration apparatus according to the utility model first aspect embodiment; And heat-exchanger rig, be provided with heat exchanger tube in described heat-exchanger rig, the two ends of described heat exchanger tube are connected with same described sliding cavity.
According to magnetic refrigerator of the present utility model, by arranging above-mentioned magnetic refrigeration apparatus, thus operating efficiency is high, and refrigeration, heating efficiency are high.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the magnetic refrigerator according to the utility model embodiment;
Fig. 2 is the structural representation of the magnetic refrigerator according to another embodiment of the utility model;
Fig. 3 is the distribution schematic diagram according to the sliding cavity on the cylinder body of the magnetic refrigerator of the utility model embodiment and magnetic part.
Reference numeral:
Magnetic refrigerator 100;
Magnetic refrigeration apparatus 10;
Heat-exchanger rig 20; Heat exchanger tube 21;
Cylinder body 1; Sliding cavity 11; Sub-chamber 111; Heat exchange agent 12; Mounting groove 13;
Piston rod part 2; Piston 21; Passage 211; Connecting rod 22; First sphere structure 221; Second sphere structure 222;
Magnetic part 3;
Rolling plate 5; Rolling board plane 51;
Drive unit 6; Drive motors 61; Motor shaft 611; Driving-disc 62; Driving-disc inclined-plane 621;
Elastic device 7; Spring 71; Push rod 72; Bulb 73;
Magnetic isolation plate 8; Flux sleeve 9; End plate 101; Rolling mechanism 102.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " thickness ", "front", "rear", " on " orientation of the instruction such as ", D score, interior ", " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below with reference to Fig. 1-Fig. 3, the magnetic refrigeration apparatus 10 according to the utility model embodiment is described.Be understandable that, apply magnetothermal effect according to the magnetic refrigeration apparatus 10 of the utility model embodiment and externally carry out freezing or heating.
Particularly, as depicted in figs. 1 and 2, comprise according to the magnetic refrigeration apparatus 10 of the utility model embodiment: cylinder body 1, piston rod part 2, magnetic working medium, the magnetic part 3 arranged in pairs, rolling plate 5 and drive unit 6.
The magnetic part 3 of paired setting comprises opposite polarity two magnetic parts 3, such as magnet, magnetic field is produced between two magnetic parts 3, magnetic working medium enter magnetic field and away from magnetic field between with the relative motion of above-mentioned two magnetic parts 3, magnetic working medium can produce excitation and demagnetization effects thus, and then causes material to inhale heat release due to the inner magnetic entropy change of magnetic working medium in excitation and demagnetization process.
Alternatively, one of them can be made between magnetic working medium and magnetic part 3 to fix, make another relatively be kept in motion, the state being in relative motion between magnetic working medium and magnetic part 3 can be made thus.
Further, sliding cavity 11 is provided with in cylinder body 1, be filled with heat exchange agent 12 in sliding cavity 11, the connecting rod 22 that piston rod part 2 comprises piston 21 and is connected with piston 21, piston rod part 2 and piston 21 corresponding with sliding cavity 11 is engaged in sliding cavity 11 slidably.Wherein, one in magnetic working medium and magnetic part 3 to be arranged on piston 21 and another is fixed on sliding cavity 11, here following two embodiments are comprised: one, magnetic working medium can be made to be fixed on sliding cavity 11, magnetic part 3 is connected on piston 21, piston 21 can drive magnetic part 3 to move back and forth in sliding cavity 11 in reciprocating process, the magnetic field residing for magnetic working medium can be made thus to change; Its two, magnetic part 3 can be made to be fixed on sliding cavity 11, and magnetic working medium is located on piston 21, and piston 21 can drive magnetic working medium to move back and forth in sliding cavity 11 in reciprocating process, the magnetic field residing for magnetic working medium can be made thus to change.
As a preferred embodiment of the present utility model, as depicted in figs. 1 and 2, magnetic part 3 can be made to be fixed on sliding cavity 11, magnetic working medium is made to be located on piston 21, wherein magnetic part 3 is arranged in pairs on sliding cavity 11, between two magnetic parts 3, produce magnetic field like this, reciprocable in the gap of piston 21 between two magnetic parts 3, the magnetic thermal cycle of magnetic working medium can be completed thus.
Further, in embodiment of the present utility model, cylinder body 1 is provided with at least two spaced sliding cavities 11, correspondingly, piston rod part 2 is also that multiple and multiple piston rod part 2 is corresponding respectively with sliding cavity 11, namely the quantity of quantity and the sliding cavity 11 of piston rod part 2 can equal and one_to_one corresponding be arranged, and each piston 21 can slide in corresponding sliding cavity 11.
As depicted in figs. 1 and 2, drive unit 6 comprises: drive motors 61 and driving-disc 62, drive motors 61 is connected with driving-disc 62 and is arranged for and drives driving-disc 62 to rotate around the axis of driving-disc 62, rolling plate 5 is configured with rolling board plane 51, driving-disc 62 is provided with the driving-disc inclined-plane 621 be oppositely arranged with the board plane 51 that rolls, piston 21 corresponding to the distance of each connecting rod 22 one end far away is connected on rolling plate 5, driving-disc inclined-plane 621 coordinates in the process that driving-disc 62 is rotated with rolling board plane 51, rolling plate 5 drives piston rod part 2 to move back and forth along on the length direction of connecting rod 22.
Here it should be explained that, as depicted in figs. 1 and 2, drive motors 61 has motor shaft 611, motor shaft 611 is directed along the longitudinal direction, driving-disc 62 is connected with motor shaft 611, wherein the axis of driving-disc 62 and the dead in line of motor shaft 611, and driving-disc 62 is directed along the vertical direction, wherein driving-disc inclined-plane 621 and perpendicular have angle, and rolling board plane 51 and perpendicular have angle.Drive driving-disc 62 to rotate around its axis when motor shaft 611 rotates, wherein driving-disc inclined-plane 621 coordinates in the process that driving-disc 62 is rotated with rolling board plane 51, rolling plate 5 drives piston rod part 2 to move back and forth along on the length direction of connecting rod 22, that is, when in the process that driving-disc 62 rotates, the rolling board plane 51 of rolling plate 5 cooperatively interacts between the driving-disc inclined-plane 621 due to driving-disc 62, rolling plate 5 can be made to produce reciprocating motion along on the length direction (fore-and-aft direction namely in Fig. 1 and Fig. 2) of connecting rod 22, and then piston rod part 2 can be driven to move back and forth along on the length direction of connecting rod 22 by rolling plate 5.
In an alternate exemplary of the present utility model, between driving-disc inclined-plane 621 and rolling board plane 51, be provided with rolling mechanism 102, by arranging rolling mechanism 102, can by rotational motion conversion layer rolling plate 5 motion in the longitudinal direction of driving-disc 62.Particularly, rolling mechanism 102 is needle bearing, and the fit structure between driving-disc 62 and rolling plate 5 can be made thus more simple, convenient.
According to the magnetic refrigeration apparatus 10 of the utility model embodiment, by utilizing, there is the driving-disc 62 on driving-disc inclined-plane 621 and coordinating between the rolling plate 5 with rolling board plane 51, the rotational motion of motor shaft 611 can be converted to the reciprocating motion of piston rod part 2, that is, the rotary speed movement of the motor shaft 611 of drive motors 61 is converted into continuously, straight reciprocating motion fast, such mechanism stable, and the movement travel of piston rod part 2 is short.And cylinder body 1 is provided with multiple sliding cavity 11, multiple piston rod part 2 corresponds to multiple sliding cavity 11 and arranges, and multiple piston rod part 2 is connected by rolling plate 5 with drive unit 6, multiple like this piston 21 moves in multiple sliding cavity 11, the number of times superposition of multiple magnetothermal effect within the unit interval can be formed, improve the frequency of magnetothermal effect, improve the operational efficiency of magnetic refrigerator 100, improve and improve the refrigerating efficiency of magnetic refrigerator 100.
Preferably, as shown in Figure 3, the glide direction perpendicular to piston 21 plane upper cylinder body 1 be projected as circle, the center uniform intervals around cylinder body 1 is provided with multiple sliding cavity 11.Further, in the plane of the glide direction perpendicular to piston 21 driving-disc 62 be projected as circle.Multiple like this sliding cavity 11 is circumferentially being evenly distributed, the circular corresponding multiple connecting rod 22 of driving-disc 62 be also uniform respectively, the motion of mechanism can be made thus more stable, stressed more even.
In a preferred embodiment of the present utility model, piston 21 corresponding to the distance of connecting rod 22 one end far away is configured to being embedded at least partially on the sidewall away from rolling board plane 51 of rolling plate 5 of the first sphere structure 221, first sphere structure 221.That is, such as shown in Fig. 1 and Fig. 2, the front end of each connecting rod 22 is configured to the first sphere structure 221, on the rear wall being embedded into rolling plate 5 at least partially of the first sphere structure 221, thus, connecting rod 22 can be made more reasonable with the fit structure of rolling plate 5, more stable to the power of connecting rod 22 in the process that rolling plate 5 moves.Preferably, the first sphere structure 221 2/3rds with the structural embeddedness of upper volume on the rear wall of rolling plate 5, the first sphere structure 221 can be made thus more stable with the syndeton of rolling plate 5.
Further preferably, the nearer one end of piston 21 corresponding to the distance of connecting rod 22 is configured to sphere structure, sphere structure be embedded at least partially piston 21 towards on the end face in connecting rod 22 direction.That is, such as, shown in Fig. 1 and Fig. 2, the rear end of connecting rod 22 is configured to the front end face being embedded into piston 21 at least partially of the second sphere structure 222, second sphere structure 222.Piston 21 can be made thus more reasonable with the fit structure of connecting rod 22, more stable when piston rod part 2 moves.Preferably, the second sphere structure 222 2/3rds with the structural embeddedness of upper volume on the front end face of piston 21, the second sphere structure 222 can be made thus more stable with the syndeton of piston 21.
Certain the utility model is not limited to this, and connecting rod 22 and rolling plate 5, piston 21 can also to be formed as one structure by sintering process.Such as shown in Fig. 1 and Fig. 2, first sphere structure 221 be embedded on the sidewall away from rolling board plane 51 of rolling plate 5 at least partially, second sphere structure 222 be embedded at least partially piston 21 towards on the end face in connecting rod 22 direction, and the first sphere structure 221, second sphere structure 222 also respectively with the sidewall away from rolling board plane 51 (i.e. the rear wall of rolling plate 5) of rolling plate 5, the end face towards connecting rod 22 direction (i.e. the front end face of piston 21) of piston 21 is integrally formed by sintering process, can make thus connecting rod 22 and the syndeton between rolling plate 5 and piston 21 more firm, stable.
In embodiments more of the present utility model, magnetic refrigeration apparatus 10 also comprises elastic device 7, and one end of elastic device 7 is only against on cylinder body 1 and the other end is only against on the sidewall away from rolling board plane 51 of rolling plate 5.By arranging elastic device 7, thus elastic device 7 can be utilized to be pressed on drive unit 6 by rolling plate 5 top, rolling plate 5 can be made thus more stable with coordinating of drive unit 6.
Particularly, the inside being contained in cylinder body 1 at least partially of elastic device 7 and elastic device 7 comprise: spring 71, push rod 72 and bulb 73.One end of spring 71 be only against cylinder body 1 towards on the inwall of drive unit 6, push rod 72 is connected with the other end of spring 71, bulb 73 to be located between push rod 72 and rolling plate 5 and bulb 73 be embedded in respectively rolling plate 5 away from the sidewall of rolling board plane 51 and on the end face of the contiguous rolling plate 5 of push rod 72.The structure of elastic device 7 can be made thus simpler, compact.That is, mounting groove 13 is limited in cylinder body 1, elastic device 7 be contained in this mounting groove 13 at least partially, the rear end of spring 71 is only against on the front face of mounting groove 13, the front end of spring 71 is connected with the rear end of push rod 72, and be provided with bulb 73 between the front end of push rod 72 and rolling plate 5, bulb 73 is connected with the front end of push rod 72, and on the rear wall being embedded in rolling plate 5 at least partially of bulb 73, on the front end face being embedded in push rod 72 at least partially of bulb 73.Elastic device 7 can be made thus more reasonable, stable with the fit structure of rolling plate 5.
Preferably, as depicted in figs. 1 and 2, the two ends being provided with the sub-chamber 111 of the correspondence of magnetic part 3 are provided with magnetic isolation plate 8.By arranging magnetic isolation plate 8, thus can ensure that the magnetic field produced between magnetic part 3 leaks outside, also avoiding the magnetic field produced between magnetic part 3 to be subject to the impact of external magnetic field.Further, the inner side of magnetic part 3 is provided with flux sleeve 9, and the length of flux sleeve 9 is equal with the length of magnetic part 3, and the magnetic field that magnetic part 3 can be made thus to produce acts in magnetic working medium more effectively.Flux sleeve 9 can be identical with the shape of magnetic part 3, and namely flux sleeve 9 can be that two sub-sets are oppositely arranged; Flux sleeve 9 also can be configured to annular.
Alternatively, the open at one end of the contiguous drive unit 6 of sliding cavity 11, namely as in Fig. 1 and Fig. 2, the front end of sliding cavity 11 is opened wide, and the front end of sliding cavity 11 is provided with the uncovered end plate 101 for capping sliding cavity 11.Connecting rod 22 is arranged through this end plate 101.Simple, the easy assembling of cylinder body 1 structure can be made thus and manufacture.Namely the body construction of cylinder body 1 and end plate 101 separately can manufacture and assemble, make assembling simpler thus.
In embodiments more of the present utility model, being made up of magnetic working medium at least partially of piston 21, that is, a part for piston 21 can be made up of magnetic working medium, preferably, the entire infrastructure of piston 21 can be made up of magnetic working medium, and the magnetic effect intensity of magnetic refrigeration apparatus 10 can be made thus larger.All will be configured to example by magnetic working medium with piston 21 be below described.
Magnetic part 3 is fixed on sliding cavity 11.Further, sliding cavity 11 is divided into the Liang Ge sub-chamber 111 be interconnected in the glide direction of magnetic working medium, and magnetic part 3 is fixed on in Liang Ge sub-chamber 111.As depicted in figs. 1 and 2, such as each sliding cavity 11 is divided into Liang Ge sub-chamber 111 in the longitudinal direction, magnetic part 3 is fixed in the sub-chamber 111 of rear side, wherein Liang Ge sub-chamber 111 size is in the longitudinal direction equal to or greater than magnetic working medium size in the longitudinal direction, when magnetic working medium can be made thus to move in the longitudinal direction, more effective magnetothermal effect can be produced.Below with reference to such as Fig. 1 and Fig. 2, the process that magnetic working medium completes a magnetic thermal cycle is described:
1), isothermal magnetization process: when magnetic working medium is positioned at the sub-chamber 111 of rear side, the magnetic field that magnetic part 3 produces all puts in magnetic working medium, now magnetic working medium excitation heating, heat exchange agent 12 and magnetic working medium heat-exchange temperature raise, and the heat exchanger is now communicated with sub-chamber on rear side of this 111 can form hot end heat exchanger also external heat release with heat exchange agent 12 heat exchange.
2), adiabatic demagnetization process: magnetic working medium leaves the sub-chamber 111 of rear side gradually, and when namely magnetic working medium moves forward, in magnetic working medium, spin system is unordered gradually, and energy in the process of demagnetization consumes, makes magnetic Temperature of Working decline;
3), isothermal demagnetization process: magnetic working medium continues to leave the sub-chamber 111 of rear side and enters in the sub-chamber 111 of front side, magnetic field continues to weaken, until magnetic working medium is left completely, now magnetic Temperature of Working reduces, heat exchange agent 12 and magnetic working medium heat-exchange temperature reduce, and the heat exchanger is now communicated with the sub-chamber 111 on front side of this can form cool end heat exchanger also external absorption refrigeration with heat exchange agent 12 heat exchange;
4), adiabatic magnetization process: when magnetic working medium moves backward from the sub-chamber 111 of front side, start to apply less magnetic field to magnetic working medium, magnetic Temperature of Working raises gradually, and heat exchange agent 12 and magnetic working medium heat-exchange temperature rise gradually.
Thus, the refrigeration of magnetic refrigeration apparatus 10 can be completed by above-mentioned process and heat object.It is appreciated of course that heat exchange agent 12 is filled in sliding cavity 11, can flow in former and later two sub-chamber 111 with the slip of magnetic working medium, to make heat exchange agent 12 can carry out heat exchange with the heat exchange agent 12 in co-located.Alternatively, heat exchange agent 12 can be flowed back and forth by the gap between magnetic working medium and sliding cavity 11; Alternatively, magnetic working medium can also be provided with the passage 211 passed through for heat exchange agent 12, heat exchange agent 12 can be made thus to be flowed by the passage 211 of magnetic working medium inside, such heat exchange agent 12 is large with the contact area of magnetic working medium, and heat transfer effect is better thus.Heat exchange agent 12 can liquid also can be gas, and alternatively, heat exchange agent 12 can be the materials such as refrigerant, ethylene glycol, water, liquid nitrogen.
Magnetic refrigeration apparatus 10 according to the utility model first aspect and heat-exchanger rig 20 is comprised according to the magnetic refrigerator 100 of the utility model second aspect embodiment, heat-exchanger rig 20 can be heat exchanger, be provided with heat exchanger tube 21 in heat-exchanger rig 20, the two ends of heat exchanger tube 21 are connected with same sliding cavity 11.Particularly, as shown in Figure 1, the two ends of the heat exchanger tube 21 of same heat-exchanger rig 20 can be consistent with temperature range in a sliding cavity 11 sub-chamber 111 be communicated with, namely the two ends of the heat exchanger tube 21 of same heat-exchanger rig 20 can be communicated with the sub-chamber 111 being positioned at front side of a sliding cavity 11, also can be communicated with the sub-chamber 111 being positioned at rear side of a sliding cavity 11, as shown in Figure 2, same sliding cavity 11 can be connected with two heat-exchanger rigs 20, namely one of them is communicated with the sub-chamber 111 being positioned at front side, another is communicated with the sub-chamber 111 being positioned at rear side, magnetic refrigerator 100 can be made like this to carry out freezing or heating simultaneously, operating efficiency is high.
According to the magnetic refrigerator 100 of the utility model embodiment, by arranging above-mentioned magnetic refrigeration apparatus 10, thus operating efficiency is high, and refrigeration, heating efficiency are high.
According to the magnetic refrigerator 100 of the utility model embodiment and other structures of magnetic refrigeration apparatus 10 thereof, the magnetothermal effect principle of such as magnetic working medium etc. and operation are all known for those of ordinary skills, no longer describe in detail here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (16)
1. a magnetic refrigeration apparatus, is characterized in that, comprising:
Cylinder body, is provided with at least two spaced sliding cavities, is filled with heat exchange agent in described sliding cavity in described cylinder body;
Piston rod part, the connecting rod that described piston rod part comprises piston and is connected with described piston, described piston rod part is corresponding respectively with described sliding cavity and each described piston is engaged in corresponding described sliding cavity slidably;
Magnetic working medium and the magnetic part arranged in pairs, one in described magnetic working medium and described magnetic part to be arranged on described piston and another is fixed on described sliding cavity;
Rolling plate, described piston corresponding to the distance of each described connecting rod one end far away is connected on described rolling plate, and described rolling plate is configured with rolling board plane; And
Drive unit, described drive unit comprises: drive motors and driving-disc, described drive motors is connected with described driving-disc and is arranged for and drives described driving-disc to rotate around the axis of described driving-disc, described driving-disc is provided with the driving-disc inclined-plane be oppositely arranged with described rolling board plane, described driving-disc inclined-plane coordinates in the process that described driving-disc is rotated with described rolling board plane, described rolling strip moves described piston rod part and move back and forth along on the length direction of described connecting rod.
2. magnetic refrigeration apparatus according to claim 1, it is characterized in that, described piston corresponding to the distance of described connecting rod one end far away is configured to the first sphere structure, being embedded at least partially on the sidewall away from described rolling board plane of described rolling plate of described first sphere structure.
3. magnetic refrigeration apparatus according to claim 1 and 2, it is characterized in that, the nearer one end of described piston corresponding to the distance of described connecting rod is configured to the second sphere structure, described second sphere structure be embedded at least partially described piston towards on the end face in described connecting rod direction.
4. magnetic refrigeration apparatus according to claim 1, is characterized in that, also comprises elastic device, and one end of described elastic device is only against on described cylinder body and the other end is only against on the sidewall away from described rolling board plane of described rolling plate.
5. magnetic refrigeration apparatus according to claim 4, is characterized in that, the inside being contained in described cylinder body at least partially of described elastic device and described elastic device comprise:
Spring, one end of described spring be only against described cylinder body towards on the inwall of described drive unit;
Push rod, described push rod is connected with the other end of described spring;
Bulb, described bulb to be located on described push rod and being embedded at least partially on the sidewall away from described rolling board plane of described rolling plate of described bulb.
6. magnetic refrigeration apparatus according to claim 1, is characterized in that, in the plane of the glide direction perpendicular to described piston described cylinder body be projected as circle, described sliding cavity is arranged around the center uniform intervals of described cylinder body.
7. the magnetic refrigeration apparatus according to claim 1 or 6, is characterized in that, in the plane of the glide direction perpendicular to described piston, described driving-disc is projected as circle.
8. magnetic refrigeration apparatus according to claim 1, is characterized in that, being made up of described magnetic working medium at least partially of described piston, described magnetic part is fixed on described sliding cavity.
9. magnetic refrigeration apparatus according to claim 8, it is characterized in that, described sliding cavity is divided into the Liang Ge sub-chamber be interconnected in the glide direction of described piston, and described magnetic part is fixed on in described Liang Ge sub-chamber.
10. magnetic refrigeration apparatus according to claim 9, it is characterized in that, the two ends being provided with the described sub-chamber of the correspondence of described magnetic part are provided with magnetic isolation plate.
11. magnetic refrigeration apparatus according to claim 1, it is characterized in that, the inner side of described magnetic part is provided with flux sleeve, and the length of described flux sleeve is equal with the length of described magnetic part.
12. magnetic refrigeration apparatus according to claim 1, is characterized in that, are provided with rolling mechanism between described driving-disc inclined-plane and described rolling board plane.
13. magnetic refrigeration apparatus according to claim 12, is characterized in that, described rolling mechanism is needle bearing.
14. magnetic refrigeration apparatus according to claim 1, is characterized in that, the open at one end of the described drive unit of vicinity of described sliding cavity and the uncovered end plate be provided with for sliding cavity described in capping, and described connecting rod is through described end plate.
15. magnetic refrigeration apparatus according to claim 1, is characterized in that, described connecting rod and described rolling plate, described piston to be formed as one structure by sintering process.
16. 1 kinds of magnetic refrigerators, is characterized in that, comprising:
Magnetic refrigeration apparatus according to any one of claim 1-15; And
Heat-exchanger rig, is provided with heat exchanger tube in described heat-exchanger rig, and the two ends of described heat exchanger tube are connected with same described sliding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713569.8U CN204240633U (en) | 2014-11-24 | 2014-11-24 | Magnetic refrigerator and magnetic refrigeration apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420713569.8U CN204240633U (en) | 2014-11-24 | 2014-11-24 | Magnetic refrigerator and magnetic refrigeration apparatus thereof |
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| CN204240633U true CN204240633U (en) | 2015-04-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406325A (en) * | 2014-11-24 | 2015-03-11 | 广东美芝制冷设备有限公司 | Magnetic refrigerator and magnetic refrigeration deice thereof |
| CN105307457A (en) * | 2015-09-14 | 2016-02-03 | 联想(北京)有限公司 | Stirling-magnetocaloric united heat dissipation system and electronic device |
| CN105318596A (en) * | 2015-12-14 | 2016-02-10 | 青岛大学 | Separated heat pipe room-temperature magnetic refrigeration device |
| CN105909856A (en) * | 2016-05-19 | 2016-08-31 | 横店集团东磁股份有限公司 | Special combination valve structure for cold storage bed of magnetic refrigerator |
-
2014
- 2014-11-24 CN CN201420713569.8U patent/CN204240633U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406325A (en) * | 2014-11-24 | 2015-03-11 | 广东美芝制冷设备有限公司 | Magnetic refrigerator and magnetic refrigeration deice thereof |
| CN104406325B (en) * | 2014-11-24 | 2016-06-29 | 广东美芝制冷设备有限公司 | Magnetic refrigerator and magnetic refrigeration apparatus thereof |
| CN105307457A (en) * | 2015-09-14 | 2016-02-03 | 联想(北京)有限公司 | Stirling-magnetocaloric united heat dissipation system and electronic device |
| CN105307457B (en) * | 2015-09-14 | 2018-11-09 | 联想(北京)有限公司 | Stirling-magnetic heat integration cooling system and electronic equipment |
| CN105318596A (en) * | 2015-12-14 | 2016-02-10 | 青岛大学 | Separated heat pipe room-temperature magnetic refrigeration device |
| CN105909856A (en) * | 2016-05-19 | 2016-08-31 | 横店集团东磁股份有限公司 | Special combination valve structure for cold storage bed of magnetic refrigerator |
| CN105909856B (en) * | 2016-05-19 | 2018-03-20 | 横店集团东磁股份有限公司 | Magnetic refrigerator cold-storage bed special combination valve arrangement |
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