CN204027059U - A kind of Stirling circulator - Google Patents
A kind of Stirling circulator Download PDFInfo
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- CN204027059U CN204027059U CN201420079141.2U CN201420079141U CN204027059U CN 204027059 U CN204027059 U CN 204027059U CN 201420079141 U CN201420079141 U CN 201420079141U CN 204027059 U CN204027059 U CN 204027059U
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- cylinder
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- piston
- stator
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Abstract
The utility model provides a kind of Stirling circulator, comprises shell and is placed in the cylinder of shell, displacer 8, piston 12, first spring 23 and the second spring 22.Cylinder comprises connected cylinder headgear 6 and bottom, and displacer 8 is placed in cylinder headgear 6, and can move back and forth along cylinder headgear 6.Piston 12 is placed in the bottom of cylinder, and can move back and forth along the bottom of cylinder.Displacer 8 is connected with the first spring 23, and piston 12 is connected with the second spring 22.Cylinder headgear 6, permanent magnet inserts 15 are made of plastics.Displacer 8 and piston 12 are made up of polyphenylene sulfide.The material that the technical solution of the utility model uses hardness high, high temperature resistant, wear-resisting, high-speed motion can be kept not using the motor internal motion of lubricating oil by high-precision machined, and the coefficient of expansion that motor is consistent when being heated or lower the temperature, reduce the friction of motor internal motive position, thus improve complete machine production efficiency.
Description
Technical field
The utility model belongs to plant equipment and manufactures field, relates to a kind of Stirling circulator, particularly relates to a kind of Stirling circulator of such as Stirling cycle refrigerator.
Background technology
Different from conventional refrigeration theory, Stirling cycle refrigerating theory is the more efficient thermodynamic argument of one.Traditional kind of refrigeration cycle be based on refrigerant different shape between conversion realize, and Stirling cycle refrigeration be a pure gaseous process.Along with new material, new technology development and petroleum resources worsening shortages, Stirling cycle refrigerator is more and more by the attention of those skilled in the art.
But existing Stirling circulator accessory is various, turn that to join process numerous and diverse, and mostly each accessory is to be made up of unlike material, the coefficient of expansion is most and inconsistent, thus cause in the circulator course of work coefficient of expansion when being heated or lowering the temperature inconsistent, mutual friction is caused to increase, fragile body while increasing power consumption.
CN 101373109 discloses a kind of free piston type Stirling refrigeration cycle machine as Stirling circulator, it comprises cylinder 7, reciprocating piston 18 and the electromagnetic mechanism 19 that is made up of mover 20 and stator 35 in described cylinder 7, the outside of yoke 23 in wherein said mover 20 is configured to make described permanent magnet 24 to be arranged on to be made up of magnetic permeable material, described piston 18 is arranged with axially-aligned with mover 20, and described stator 35 and described cylinder 7 are also arranged with axially-aligned.By such configuration, the external diameter RM of the mover 20 of described electromagnetic drive mechanism 19 can be reduced, thus can reduce at the internal diameter RS of the described stator 35 of described mover 20 arranged outside and external diameter, and the final external diameter reducing whole Stirling cycle refrigerator.But the material of the accessory of this patent is not consistent, there is above-mentioned technical problem equally.
Utility model content
In order to solve the problems of the technologies described above, the utility model, by using identical material, makes motor reach the consistent of the coefficient of expansion when being heated or lower the temperature, and reduces the friction of motor internal motive position, thus improves complete machine production efficiency.
For achieving the above object, concrete technical scheme is as follows:
A kind of Stirling circulator, comprise shell, and be placed in the cylinder of described shell, displacer, piston, first spring and the second spring, described cylinder comprises connected cylinder headgear and bottom, described displacer is placed in described cylinder headgear, and can move back and forth along described cylinder headgear, described piston is placed in the bottom of described cylinder, and can move back and forth along the bottom of described cylinder, described displacer is connected with described first spring, described piston is connected with described second spring, described cylinder headgear is made up of PC plastics, described displacer and piston are made up of polyphenylene sulfide.
Preferably, the shape of described shell is can-like, and described shell comprises connected head tank and bottom tank.
Preferably, the inner ring of described cylinder headgear is also arranged with accumulation of heat changing plate, and described accumulation of heat changing plate is made up of PET, and the accumulation of heat changing plate that described plastics are made has aperture.
Preferably, the bottom of described cylinder is also provided with pillar, and described cylinder is connected with described second spring by the support of described pillar.
Preferably, described displacer is connected with described first spring by displacer connecting rod, described displacer connecting rod is fixed on the center of described first spring, and described cup-shaped inserts is fixed on the center of described second spring, and the portion integral of described pillar and described cylinder is shaping.
Preferably, also comprise the electromagnetic mechanism be located in shell, described electromagnetic mechanism comprises stator, the permanent magnet that described stator comprises inner stator, external stator and is provided with between described inner stator and external stator.
Preferably, described inner stator is made up of powdered metallurgical material, and described external stator is made up of silicon steel sheet or powdered metallurgical material.
Preferably, the shape of described inner stator, external stator and permanent magnet is ring-type, and described annular permanent magnets is located between described inner stator and external stator by cup-shaped inserts.
Preferably, described cup-shaped inserts is made up of PC plastics, described permanent magnet is connected with piston with cup-shaped inserts, described displacer, piston, the first spring and the second spring are referred to as mechanical mechanism, described external stator, inner stator and permanent magnet and inserts thereof are referred to as electromagnetic mechanism, and described mechanical mechanism and electromagnetic mechanism exist in same confined space.
Preferably, described external stator is also provided with coil, the bottom of the bottom tank of described shell is also provided with the binding post be connected with described coil.
Relative to prior art, the technical solution of the utility model advantage has:
1, using identical material, making motor reach the consistent of the coefficient of expansion when being heated or lower the temperature, reduce the friction of motor internal motive position, make it run in the space of intimate suspension;
2, not destroying the basis of technique and Stirling principle, parts being integrated, reducing assemble flow, improving parts precision, improving complete machine production efficiency;
3, motor is inner without the need to adding harmful substance in use and process, just can freeze after energising;
4, can be used for producing portable refrigerator cooler (-20 DEG C), 25L freezes case (-40 DEG C) deeply, 25L biovaccine transport cases (4 DEG C) etc., solve the problems such as domestic particularly field of medicaments Cord blood space is huge, cooling rate slow, can not carry with.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the detonation configuration schematic diagram of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiment of the present utility model.
A kind of Stirling circulator of embodiment of the present utility model as shown in Figures 1 and 2, comprises shell and is placed in the cylinder of shell, displacer 8, piston 12, first spring 23 and the second spring 22.
Cylinder comprises connected cylinder headgear 6 and bottom, and displacer 8 is placed in cylinder headgear 6, and can move back and forth along cylinder headgear 6.Piston 12 is placed in the bottom of cylinder, and can move back and forth along the bottom of cylinder.Displacer 8 is connected with the first spring 23, and piston 12 is connected with the second spring 22.Cylinder headgear 6 is made up of PC plastics, and displacer 8 and piston 12 are made up of polyphenylene sulfide.
The special substance that embodiment of the present utility model uses hardness high, high temperature resistant, wear-resisting, high-speed motion can be kept not using the motor internal motion of lubricating oil by high-precision machined, and the coefficient of expansion that motor is consistent when being heated or lower the temperature, reduce the friction of motor internal motive position, thus improve complete machine production efficiency.
In addition, the displacer 8 of the utility model embodiment is connected with the first spring 23, and piston 12 is connected with the second spring 22.Permanent magnet 14 is connected with piston 12 with its inserts 15, with displacer connecting rod 27 for axis, stores power rebound and pump by the first spring 23 below motor and the second spring 22.This motion mode is simply efficient.Owing to not using the connecting rod of any rotation, power conversion losses is extremely low.
As shown in Figures 1 and 2, in embodiment of the present utility model, shell comprises head tank 1 and bottom tank 24.Cylinder comprises cylinder headgear 6 (being positioned at cylinder top) and cylinder block 10, and the outer of cylinder is arranged with cylinder retainer ring 9.The top of displacer 8 is also provided with displacement cap 7.Accumulation of heat changing plate 4 is sheathed on the inner ring of cylinder headgear 6, and two are respectively equipped with fin 4 and fin 5, and the top of accumulation of heat changing plate 4 is provided with retainer ring 3.Displacer 8 is connected with the first spring 23 by connecting rod 11.Piston 12 is connected with the second spring 22 by nut 16.Cylinder block 10 is fixed by fixed head 21 and bottom tank 24.Cylinder headgear 6 and accumulation of heat changing plate 4 are made of plastics, the aperture that the accumulation of heat changing plate 4 that plastics are made has ultraviolet or laser to get.
First spring 23 and the second spring 22 are plane spring.The shape of inner stator 13, external stator 17,20 and permanent magnet is ring-type, described magnet ring 14, and namely permanent magnet is located between inner stator 13 and external stator 17,20 by the inserts 15 that PC plastics are made.Inner stator is preferably made up of powdered metallurgical material, and external stator is preferably made up of silicon steel sheet or powdered metallurgical material.
External stator 17,20 is also provided with coil axle 18 and coil 19.The bottom of bottom tank 24 is also provided with binding post 25 and bottom rear guard 26.
Displacer 8 and the base portion of embodiment of the present utility model have a style of one's own, and material makes resin into by metal; Accumulation of heat changing plate 4 makes plastics into; Plastics are made on cylinder top into; Mechanical part and electromagnetic mechanism one-body molded, displacer 8, piston 12, and cylinder headgear 6, accumulation of heat changing plate 4 and inserts 15 employ same special substance respectively, make the coefficient of expansion that motor is consistent when being heated or lower the temperature, reduce the friction of motor internal motive position, make it run in the space of intimate suspension.
In addition, embodiment of the present utility model makes magnet splicing into magnet ring 14, and is embedded in plastics inner, makes it better be connected with parts.Stator preferably replaces with powdered metallurgical material, improves precision and performance.
In addition, the shell of embodiment of the present utility model divides upper and lower two, and cylinder and pillar are processed into one, and spring only needs two, does not need outer plate, decreases assemble flow, improves parts precision, improves complete machine production efficiency.Mechanical part and the electromagnetism position of this motor are the integrated design, and exist in the same seal casinghousing that is made up of head tank 1 and bottom tank 24, this design ensure that the normal work of motor under harsh environments simultaneously.
Embodiment of the present utility model is applicable to the motor of 40W, the motor refrigeration of the present embodiment rapidly, after working under normal temperature (20 DEG C), instantaneous temperature just can reach subzero, and continuous operation can reach-20 ~-40 DEG C in 1 minute, and continuous operation can reach-60 ~-100 DEG C in 10 minutes.
Be described in detail specific embodiment of the utility model above, but it is as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that this practicality is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.
Claims (10)
1. a Stirling circulator, it is characterized in that, comprise shell, and be placed in the cylinder of described shell, displacer, piston, first spring and the second spring, described cylinder comprises connected cylinder headgear and bottom, described displacer is placed in described cylinder headgear, and can move back and forth along described cylinder headgear, described piston is placed in the bottom of described cylinder, and can move back and forth along the bottom of described cylinder, described displacer is connected with described first spring, described piston is connected with described second spring, described cylinder headgear is made up of PC plastics, described displacer and piston are made up of polyphenylene sulfide.
2. Stirling circulator as claimed in claim 1, it is characterized in that, the shape of described shell is can-like, and described shell comprises connected head tank and bottom tank.
3. Stirling circulator as claimed in claim 2, it is characterized in that, the inner ring of described cylinder headgear is also arranged with accumulation of heat changing plate, and described accumulation of heat changing plate is made up of PET, and described accumulation of heat changing plate has aperture.
4. Stirling circulator as claimed in claim 3, it is characterized in that, the bottom of described cylinder is also provided with pillar, and described cylinder is connected with described second spring by the support of described pillar.
5. Stirling circulator as claimed in claim 4, it is characterized in that, described displacer is connected with described first spring by displacer connecting rod, described displacer connecting rod is fixed on the center of described first spring, described cup-shaped inserts is fixed on the center of described second spring, and the portion integral of described pillar and described cylinder is shaping.
6. Stirling circulator as claimed in claim 5, it is characterized in that, also comprise the electromagnetic mechanism be located in shell, described electromagnetic mechanism comprises stator, the permanent magnet that described stator comprises inner stator, external stator and is provided with between described inner stator and external stator.
7. Stirling circulator as claimed in claim 6, it is characterized in that, described inner stator is made up of powdered metallurgical material, and described external stator is made up of silicon steel sheet or powdered metallurgical material.
8. Stirling circulator as claimed in claim 7, it is characterized in that, the shape of described inner stator, external stator and permanent magnet is ring-type, and described annular permanent magnets is located between described inner stator and external stator by cup-shaped inserts.
9. Stirling circulator as claimed in claim 8, it is characterized in that, described cup-shaped inserts is made up of PC plastics, described permanent magnet is connected with piston with cup-shaped inserts, described displacer, piston, the first spring and the second spring are referred to as mechanical mechanism, described external stator, inner stator and permanent magnet and inserts thereof are referred to as electromagnetic mechanism, and described mechanical mechanism and electromagnetic mechanism exist in same confined space.
10. Stirling circulator as claimed in claim 9, it is characterized in that, described external stator is also provided with coil, the bottom of the bottom tank of described shell is also provided with the binding post be connected with described coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079141.2U CN204027059U (en) | 2014-02-24 | 2014-02-24 | A kind of Stirling circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079141.2U CN204027059U (en) | 2014-02-24 | 2014-02-24 | A kind of Stirling circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027059U true CN204027059U (en) | 2014-12-17 |
Family
ID=52066905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079141.2U Withdrawn - After Issue CN204027059U (en) | 2014-02-24 | 2014-02-24 | A kind of Stirling circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034077A (en) * | 2014-02-24 | 2014-09-10 | 宁波华斯特林电机制造有限公司 | Stirling circulator |
| CN105928238A (en) * | 2016-05-11 | 2016-09-07 | 宁波华斯特林电机制造有限公司 | Head tank of Stirling circulator |
-
2014
- 2014-02-24 CN CN201420079141.2U patent/CN204027059U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034077A (en) * | 2014-02-24 | 2014-09-10 | 宁波华斯特林电机制造有限公司 | Stirling circulator |
| CN104034077B (en) * | 2014-02-24 | 2016-09-28 | 宁波华斯特林电机制造有限公司 | A kind of Stirling circulator |
| CN105928238A (en) * | 2016-05-11 | 2016-09-07 | 宁波华斯特林电机制造有限公司 | Head tank of Stirling circulator |
| CN105928238B (en) * | 2016-05-11 | 2018-08-21 | 宁波华斯特林电机制造有限公司 | A kind of head tank of Stirling circulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |