CN207299672U

CN207299672U - A kind of refrigerator with conduction structure

Info

Publication number: CN207299672U
Application number: CN201721013262.7U
Authority: CN
Inventors: 程路
Original assignee: NINGBO HUASI TELIN MOTOR MANUFACTURING Co Ltd
Current assignee: NINGBO HUASI TELIN MOTOR MANUFACTURING Co Ltd
Priority date: 2017-08-14
Filing date: 2017-08-14
Publication date: 2018-05-01
Anticipated expiration: 2027-08-14

Abstract

It the utility model is related to a kind of refrigerator with conduction structure, including refrigerating plant and storeroom, the storeroom is used to place thing to be frozen, the refrigerating plant is arranged to Stirling motor, it is characterized in that, the cold end of the Stirling motor is fixed with conduction structure, the conduction structure includes conduction cooling pipe, the conduction cooling pipe includes outer tube wall, inner tubal wall and inner cavity, formed with some pores on said inner tube wall, the pore is connected with the inner cavity, and outer tube wall cladding inner tubal wall is so that the pore forms confined space with the inner cavity.Pore is formed on conduction cooling pipe, the inside filling refrigeration working medium of conduction cooling pipe, working medium is moved in the lumen, and the outer wall of conduction cooling pipe contacts with cold end and absorbs cold, so that the liquid refrigerant that condensation produces can condense in pore, and since siphonage moves in pore so that cold can swap faster, the cold distribution of whole conduction cooling pipe is more uniform, and cold effect is changed in raising.

Description

A kind of refrigerator with conduction structure

Technical field

It the utility model is related to Stirling motor field, and in particular to a kind of refrigerator with conduction structure.

Background technology

New type low temperature refrigeration machine is in big temperature-difference refrigerating operating mode (the refrigeration temperature difference>At 60 DEG C) under, refrigerating efficiency is of a relatively high.Especially It is in applied to less than -70 DEG C ultra low temperature freezer refrigeration systems, and it is multiple that new type low temperature refrigeration mechanism cold efficiency can reach tradition More than 2 times of stacked vapor compression refrigeration system, have significant power savings advantages.Simultaneously as new type low temperature refrigeration machine can be with Oil lubrication is not used, eliminates and failure is blocked up using the common low-temperature oil of the ultra low temperature freezer of steam compression type refrigeration, system is more It is reliable and stable.Moreover, the natural materials such as these new type low temperature refrigeration machine generally use nitrogen, helium are as refrigeration working medium, more Environmental protection, as the popularization that ultra low temperature freezer is applied, the application prospect of these new type low temperature refrigeration machines are more extensive.It is and new at these In type Cryo Refrigerator, sterlin refrigerator is simple in structure with its, the moving component being not under low temperature, reliable, shakes Dynamic small, the advantages of long lifespan, is widely applied.

It and if ultra low temperature freezer takes Stirling motor to freeze, can have a problem that, at present, in the prior art, lead to Cross capillary and fixation is directly or indirectly contacted with the cold end of Stirling motor, form conduction structure, cold is exported, accelerate refrigeration Effect, capillary caliber is smaller, can increase the cold efficiency that changes with air or liquid medium, and itself and Stirling motor cold end It is relatively low to change cold efficiency, it is difficult to an optimal conduction cooling effect is played, and this conduction structure is difficult to the cooling to ultra low temperature freezer, Play optimum efficiency.

Utility model content

The purpose of this utility model is that, there is provided a kind of refrigerator with conduction structure, solves above technical problem；

The technical problem that the utility model is solved can be realized using following technical scheme：It is a kind of with conduction structure Refrigerator, including refrigerating plant and storeroom, the storeroom are used to place thing to be frozen, and the refrigerating plant is arranged to Si Te Woods motor, the cold end of the Stirling motor are fixed with conduction structure, and the conduction structure includes conduction cooling pipe, the conduction cooling pipe bag Outer tube wall, inner tubal wall and inner cavity are included, is connected on said inner tube wall formed with some pores, the pore with the inner cavity, And the outer tube wall cladding inner tubal wall is so that the pore forms confined space, a part for the conduction cooling pipe with the inner cavity Directly or indirectly contacted with the cold end, refrigeration working medium is filled with inside the confined space, a part for the conduction cooling pipe is straight Connect or indirectly with compartment interior air contact with the cold end importing storeroom by cold from the Stirling motor.

Further, the cross sectional shape of the conduction cooling pipe is rectangle.

Further, each refrigerator inside forms storage area, and the storeroom is arranged at the storage area, institute State storage area and be provided with an opening, the storage area is provided with the seal box of the opening for sealing the memory space Door；Each storeroom is provided with opening, and each storeroom is provided with the closed chamber of the opening for sealing the storeroom Door.

Further, the inner cavity of the conduction cooling pipe extends to form some grooves to inner tubal wall direction, and the groove is described in The axial setting of conduction cooling pipe.

Further, the cross sectional shape of each groove is identical and is uniformly distributed on the inside of said inner tube wall.

Further, the refrigerating plant includes the first Stirling motor and the second Stirling motor, described first this spy Woods motor includes the first heat exchange head and the first fuselage, and the second Stirling motor includes the second heat exchange head and the second fuselage, institute State the first fuselage and the second fuselage is wholely set the setting so that the first heat exchange head and the second heat exchange head are supported or opposed, and it is symmetrical along one Plane is symmetrical, and the first Stirling motor further includes the first compression piston, and the second Stirling motor further includes the second pressure Contracting piston, the movement locus of first compression piston and the second compression piston are located along the same line, and described in any time First compression piston is identical along the position of the symmetrical plane with the position of second compression piston；

The cold end of the first Stirling motor and the cold end of the second Stirling motor are respectively arranged with the conduction cooling Structure.

Further, the conduction cooling pipe extends downwardly setting.

Further, the cold end is fixed with fixed block, offers recessing groove on the fixed block, and the recessing groove is along institute State fixed block to open up away from the direction of a lateral cold end of the cold end, a part for the conduction cooling pipe is plugged in described allow Fixed in the groove of position with the cold end.

Further, the cold end of the Stirling motor is fixed with pipe anchor ear, and the fixed block is consolidated by pipe anchor ear Due to the cold end.

Further, the conduction cooling pipe includes main pipe and some bypass tube bodies being wholely set with the main pipe, The bypass tube body is vertically arranged with the main pipe.

Beneficial effect：Due to being set in this way using above technical scheme, the utility model, capillary is formed on conduction cooling pipe Hole, the inside filling refrigeration working medium of conduction cooling pipe, working medium moves in the lumen, and that absorption is contacted with cold end is cold for the outer wall of conduction cooling pipe Amount so that condensing the liquid refrigerant of generation can condense in pore, and since siphonage moves in pore so that it is cold Amount can swap faster, and the cold of whole conduction cooling pipe is distributed more uniform, the cold that can produce Stirling motor It can farthest carry out changing cold.

Brief description of the drawings

Fig. 1 is 1 refrigerator structure schematic diagram one of embodiment；

Fig. 2 is 1 refrigerator structure schematic diagram two of embodiment；

Fig. 3 is the structure diagram of Stirling motor in embodiment 1；

Fig. 4 is the sectional view of conduction cooling pipe in embodiment 1；

Fig. 5 is the top view of Fig. 3 in embodiment 1；

Fig. 6 is A-A direction views in Fig. 1；

Fig. 7 is 2 refrigerator structure schematic diagram of embodiment；

Fig. 8 is 2 refrigerating device structure schematic diagram of embodiment.

Reference numeral：1st, refrigerating plant；2nd, storeroom；21st, closed chamber door；3rd, babinet；31st, sealed container door；4th, conduction cooling knot Structure；101st, cold end；102nd, hot junction；100th, conduction cooling pipe；110th, outer tube wall；120th, inner tubal wall；121st, pore；130th, inner cavity； 131st, groove；200th, fixed block；201st, recessing groove；311st, pipe anchor ear；3111st, fastening unit；312nd, threaded hole；3112nd, shape Become groove；410th, the first heat exchange head；411st, the first cold end；412nd, the first hot junction；420th, the first fuselage；421st, the first back pressure cavity； 422nd, the first compression piston；423rd, first straight line motor；424th, the first compression spring；431st, the first radiating fin；510th, second Exchange heat head；511st, the second cold end；512nd, the second hot junction；520th, the second fuselage；521st, the second back pressure cavity；531st, the second radiating fin Piece；522nd, the second compression piston；523rd, second straight line motor；524th, the second compression spring；600th, base.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work Lower all other embodiments obtained, shall fall within the protection scope of the present invention.

It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can To be mutually combined.

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the utility model Limit.

With reference to shown in Fig. 1, embodiment 1 is as shown in the figure, a kind of shown referring to Figures 1 and 2, refrigerator with conduction structure 4, bag Refrigerating plant 1 and storeroom 2 are included, the storeroom 2 is used to place thing to be frozen, and the refrigerating plant 1 is arranged to Stirling Motor, the cold end 101 of the Stirling motor are fixed with conduction structure 4, and the conduction structure 4 includes conduction cooling pipe 100, described to lead Cold pipe 100 includes outer tube wall 110, inner tubal wall 120 and inner cavity 130, formed with some pores 121 on said inner tube wall 120, The pore 121 is connected with the inner cavity 130, and the outer tube wall 110 coats inner tubal wall 120 so that the pore 121 Confined space is formed with the inner cavity 130, a part for the conduction cooling pipe 100 is directly or indirectly contacted with the cold end 101, institute State and refrigeration working medium be filled with inside confined space, the part of the conduction cooling pipe 100 directly or indirectly with 2 inner air of storeroom Contact so that cold end 101 of the cold from the Stirling motor is imported the storeroom 2.With reference to shown in Fig. 6, each refrigerator Storage area is internally formed, the storeroom 2 is arranged at the storage area, and the storage area is provided with an opening, described Storage area is provided with the sealed container door 31 of the opening for sealing the memory space；Each storeroom 2 is provided with out Mouthful, each storeroom 2 is provided with the closed chamber door 21 of the opening for sealing the storeroom 2, with reference to diagram, it is known that, if There are three storerooms 2, each storeroom 2 sets corresponding closed chamber door 21, and three storerooms 2 share a sealed container door 31.

With reference to shown in Fig. 3 and Fig. 4, conduction structure 4 is described in detail：With reference to shown in Fig. 3, conduction cooling pipe 100 includes outer tube wall 110th, inner tubal wall 120 and inner cavity 130, connect formed with some pores 121, pore 121 with inner cavity 130 on inner tubal wall 120, Pore 121 is in spongy distribution, and outer tube wall 110 coat inner tubal wall 120 so that pore 121 formed with inner cavity 130 it is closed Space, a part for conduction cooling pipe 100 are directly or indirectly contacted with cold end 101, and refrigeration working medium is filled with inside confined space, are made Cold working medium is preferably gaseous refrigeration working medium, and adiabatic condensation temperature is less than -100 degrees Celsius.The inner cavity 130 of conduction cooling pipe 100 is to inner tubal wall 120 directions extend to form some grooves 131, and groove 131 is set along the axial direction of conduction cooling pipe 100.The cross sectional shape of each groove 131 It is identical and uniform be distributed in the inner side of inner tubal wall 120.And the moulding process of the structure is as follows, pipe tubing is passed through into punching press first The inner cavity 130 with groove 131 is formed, then corrosive agent is inserted in inner cavity 130, inner tubal wall 120 is corroded and pore 121, etching process can be copper pipe Dynamic Corrosion technique, be that the inner tubal wall 120 of copper pipe forms some pores 121, and outer tube Wall 110 is still closed.Then refrigeration working medium, sealed tube, the both ends difference of conduction cooling pipe 100 are passed through in tubing inner cavity 130 It is provided with sealing structure.The mode of sealed tube can be sealed by seal, can also be directly respectively by two side pressure of tubing Opening deformation tightly is closed, then welds gap to form confined space so that refrigeration working medium stays in the inside of conduction cooling pipe 100. And conduction cooling pipe 100 is outwards transmitted cold by cold end 101, refrigeration is realized to outside, and internal working medium self-loopa is flowed, and improves system Cold effect.With reference to Fig. 5, the cross sectional shape of conduction cooling pipe 100 is rectangle, and the length of rectangle and wide ratio are more than 4:1.Its length does not limit Fixed, fibre with rectangular tape form on the whole, and with reference to shown in Fig. 4 and Fig. 5, cold end 101 is fixed with fixed block 200, on fixed block 200 Recessing groove 201 is offered, recessing groove 201 is opened up away from the direction of a lateral cold end 101 of cold end 101 along fixed block 200, led A part for cold pipe 100 is plugged in recessing groove 201 fixes with cold end 101.In order to ensure the firmness of plugged and fixed, conduction cooling pipe 100 can form a right angle with bending, and recessing groove 201 is adapted to the right-angle structure, in right angle insertion recessing groove 201, be formed Fixed structure, fixed block 200 are made of the high material of conduction cooling rate, and outside can coat heat-insulating material, avoid the loss of cold. On the other hand, can also conduction cooling pipe 100 directly contacted with cold end 101, as long as realizing the fixation of conduction cooling pipe 100 and cold end 101 i.e. Can, this will not be repeated here.With reference to shown in Fig. 6, the cold end 101 is fixed with pipe anchor ear 311, and the fixed block 200 passes through circle Pipe anchor ear 311 is fixed on the cold end 101.Pipe anchor ear 311 includes a fastening unit 3111, and pipe anchor ear 311 passes through fastening Unit 3111 is by 101 locking of cold end；Pipe anchor ear 311 includes some threaded holes 312 axially through pipe anchor ear 311, Gu Determine block 200 to be threadedly coupled with pipe anchor ear 311 by threaded hole 312, can be specifically the correspondence position setting in fixed block 200 Threaded hole 312, is realized by the threaded hole 312 on screw bolt passes pipe anchor ear 311 and fixed block 200 and fixed, the circle The lateral surface of pipe anchor ear 311 prolongs formed with some deformation grooves 3112, the deformation groove 3112 along the axial direction of the pipe anchor ear 311 Stretch and run through the pipe anchor ear 311.Due to realizing conduction cooling if desired, then the wall thickness of pipe anchor ear 311 certainly will be increased, and Wall thickness increases so that pipe anchor ear 311 is not easy deformation, so deformation groove 3112 as depicted is set, in order to which the pipe is embraced The deformation of hoop 311, deformation groove 3112 are uniformly distributed along the circumferential direction of the pipe anchor ear 311.

Embodiment 2, difference lies in reference to shown in Fig. 7,8, the refrigerating plant 1 includes first this spy with embodiment 1 Woods motor and the second Stirling motor, the first Stirling motor includes the first heat exchange first 410 and the first fuselage 420, described Second Stirling motor includes the second heat exchange first 510 and the second fuselage 520, the one of 420 and second fuselage of the first fuselage 520 The setting so that first 410 and second heat exchange first 510 of first heat exchange is supported or opposed is set, and it is symmetrical along a symmetrical plane, described first Stirling motor further includes the first compression piston 422, and the second Stirling motor further includes the second compression piston 522, described The movement locus of first compression piston 422 and the second compression piston 522 is located along the same line, and the first pressure described in any time Contracting piston 422 is identical along the position of the symmetrical plane with the position of second compression piston 522；The first Stirling electricity The cold end 101 of machine and the cold end 101 of the second Stirling motor are respectively arranged with the conduction structure 4.

The core content of the utility model is that the structure by two Stirling motors controls two pressures backwards to setting All according to symmetrical plane (plane where dotted line in figure) symmetrically, the centre-of gravity shift so produced can be mutual for the position of contracting piston Offset, and this design is nearly identical with original Stirling electric machine structure, by two Stirling motors backwards to symmetrical solid Fixed, refrigerating capacity is original twice, and Stirling motor is horizontal, without setting shock-damping structure, reduces setting shock-damping structure Cause the increase of Stirling motor overall weight, so the design's is technically characterized in that, the first Stirling motor and second this spy The key element of the built-in component of woods motor will be corresponded to and is symmetrical arranged.

First heat exchange first 410 includes the first cold end 411101 and the first hot junction 412102, and the second heat exchange first 510 includes Second cold end 511101 and the second hot junction 512102, make refrigeration machine in use, the first cold end 411101 and the second cold end 511101 It is located at the both sides of device respectively, that is, cold is produced in both sides, and conduction cooling, the first heat exchange head are carried out by wind turbine or conduction cooling element 410 is identical with the structure and weight, material of the second heat exchange first 510, ensures that barycentre offset is identical.

First fuselage 420 is internally provided with the first compression spring 424, and the second fuselage 520 is internally provided with the second compression Spring 524, the first compression 424 structure of spring and rigidity are identical with the structure and rigidity of the second compression spring 524.First fuselage 420 are internally provided with the first compression spring 424, and the second fuselage 520 is internally provided with the second compression spring 524, the first compression Spring 424 is identical with the weight of the second compression spring 524.Rigidity, weight, the structure of compression spring can all cause centre-of gravity shift Amount, deviation frequency are different, so strictly the compression of control first spring 424 and second compresses rigidity, weight and the structure of spring 524 It is identical, ensure that two compression spring deformation degree are all under any circumstance very close, ensure the effect of damping.

First fuselage 420 is internally provided with first straight line motor 423, and the second fuselage 520 is internally provided with second straight line Motor 523, first straight line motor 423 and second straight line motor 523 are controlled by same control signal work.First straight line motor 423 is identical with the model of second straight line motor 523.The excitation parameter of linear motor be also influence centre-of gravity shift important indicator it One, thus the model setting of two linear motors is identical, ensure what two linear motors produced during synchronous working Exciting current size is identical, and excitation direction is identical, and active force is identical, reduces vibration and offset.And the excitation electricity of two motors Road output lead is parallel with one another, shares control terminal, it is possible to so that the signal that two motors receive is identical, output current It is consistent with frequency guarantee so that the working frequency of the first compression piston 422 and the second compression piston 522 is always consistent.The One compression piston 422 is identical with the weight of the second compression piston 522, controls barycentre offset.

Base 600 is further included, base 600 is fixedly connected on the first Stirling motor and the second Stirling motor, base 600 Material and shape do not do and limit to, but it is level to need for the plane where the first Stirling motor and the second Stirling motor Face, so suffered weight component are identical, do not interfere with the normal work of piston rod, ensure work efficiency.The institute of base 600 It is parallel with the movement locus of first piston and second piston in plane.

The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and Protection domain, to those skilled in the art, should can appreciate that all with the utility model specification and diagram Hold made equivalent substitution and obviously change obtained scheme, should be included in the protection model of the utility model In enclosing.

Claims

1. a kind of refrigerator with conduction structure, including refrigerating plant and storeroom, the storeroom is used to place thing to be frozen, The refrigerating plant is arranged to Stirling motor, it is characterised in that the cold end of the Stirling motor is fixed with conduction structure, institute Stating conduction structure includes conduction cooling pipe, and the conduction cooling pipe includes outer tube wall, inner tubal wall and inner cavity, formed with some on said inner tube wall Pore, the pore are connected with the inner cavity, and the outer tube wall cladding inner tubal wall so that the pore with it is described interior Chamber forms confined space, and a part for the conduction cooling pipe is directly or indirectly contacted with the cold end, filled out inside the confined space Filled with refrigeration working medium, the part of the conduction cooling pipe directly or indirectly with compartment interior air contact with by cold from it is described this The cold end of special woods motor imports the storeroom.

A kind of 2. refrigerator with conduction structure according to claim 1, it is characterised in that the cross sectional shape of the conduction cooling pipe For rectangle.

3. a kind of refrigerator with conduction structure according to claim 1, it is characterised in that each refrigerator inside is formed Storage area, the storeroom are arranged at the storage area, and the storage area is provided with an opening, and the storage area is set It is equipped with the sealed container door of the opening for sealing the storage area；Each storeroom is provided with opening, each storeroom It is provided with the closed chamber door of the opening for sealing the storeroom.

4. a kind of refrigerator with conduction structure according to claim 1, it is characterised in that the inner cavity of the conduction cooling pipe is inside Tube wall direction extends to form some grooves, and the groove is set along the axial direction of the conduction cooling pipe.

A kind of 5. refrigerator with conduction structure according to claim 4, it is characterised in that the section shape of each groove Shape is identical and is uniformly distributed on the inside of said inner tube wall.

6. a kind of refrigerator with conduction structure according to claim 1, it is characterised in that the refrigerating plant includes first Stirling motor and the second Stirling motor, the first Stirling motor include the first heat exchange head and the first fuselage, and described the Two Stirling motors include the second heat exchange head and the second fuselage, and first fuselage and the second fuselage are wholely set so that described the One heat exchange head and the second heat exchange head are supported or opposed setting, and symmetrical along a symmetrical plane, and the first Stirling motor further includes first Compression piston, the second Stirling motor further include the second compression piston, first compression piston and the second compression piston Movement locus be located along the same line, and the position edge of the first compression piston described in any time and second compression piston The position of the symmetrical plane is identical；

The cold end of the first Stirling motor and the cold end of the second Stirling motor are respectively arranged with the conduction structure.

7. a kind of refrigerator with conduction structure according to claim 6, it is characterised in that the conduction cooling pipe, which extends downwardly, to be set Put.

8. a kind of refrigerator with conduction structure according to claim 7, it is characterised in that the cold end is fixed with fixation Block, offers recessing groove on the fixed block, and the recessing groove is along the fixed block away from the one lateral described cold of the cold end The direction at end opens up, and a part for the conduction cooling pipe is plugged in the recessing groove fixes with the cold end.

A kind of 9. refrigerator with conduction structure according to claim 8, it is characterised in that the cold end of the Stirling motor Pipe anchor ear is fixed with, the fixed block is fixed on the cold end by pipe anchor ear.

10. a kind of refrigerator with conduction structure according to claim 6, it is characterised in that the conduction cooling pipe includes supervisor Body and some bypass tube bodies being wholely set with the main pipe, the bypass tube body are vertically arranged with the main pipe.