CN204716416U - Stirling heat engine - Google Patents
Stirling heat engine Download PDFInfo
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- CN204716416U CN204716416U CN201520276488.0U CN201520276488U CN204716416U CN 204716416 U CN204716416 U CN 204716416U CN 201520276488 U CN201520276488 U CN 201520276488U CN 204716416 U CN204716416 U CN 204716416U
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- piston
- heat exchanger
- engine operating
- discharger
- electric motor
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- 230000003139 buffering effect Effects 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a mechanical refrigeration equipment field discloses a stirling heat engine, include from last to consecutive hot junction/cold junction heat exchanger, regenerator, room temperature heat exchanger and cylinder down, it still includes thermal buffer chamber, ejector and linear electric motor, the upper end of thermal buffer chamber with hot junction/cold junction heat exchanger links to each other, its lower extreme with room temperature heat exchanger links to each other, ejector and the equal opposition setting of linear electric motor are in the cylinder. The utility model discloses structural design is novel, and ejector manufacturing process is simple, and system vibration is little moreover.
Description
Technical field
The utility model relates to mechanical refrigeration equipment technical field, particularly relates to a kind of Stirling thermal engine operating.
Background technique
Stirling thermal engine operating comprises Stirling engine and sterlin refrigerator, the former is mechanical energy by thermal energy, can be then that electric energy outwards exports further by changes mechanical energy during outfit generator, the electric energy that the external world inputs first is converted into mechanical energy by the latter, again mechanical energy is converted to heat energy, produces refrigeration effect.Stirling thermal engine operating compact structure, specific power is high, and efficiency is very high, has boundless application prospect.
Fig. 1 is traditional Stirling thermal engine operating structure; When it uses as motor, when its hot end heat exchanger 3 is heated, when room temperature heat exchanger 1 is cooled, will form certain temperature gradient in regenerator 2, when this gradient reaches certain value, system will produce self oscillations, by the mechanical energy that thermal energy is sound wave form, promote the second piston 5 and mover 7 moves back and forth along stator 6, the mover cutting magnetic line of the second piston 5 drive motor again, is converted to electric energy and exports by mechanical energy; When it uses as refrigerator, the electric energy of extraneous input is converted into mechanical energy by linear electric motor and promotes the second piston 5 and move reciprocatingly, to system input sound wave, sound merit carries out heat carrying in regenerator 2, heat in cool end heat exchanger 3 is transported in room temperature heat exchanger 1, spill into environment, thus be heat energy by changes mechanical energy.
Discharger 4 is there is in Stirling thermal engine operating, its one end is connected with hot junction/cool end heat exchanger 3, and be in high temperature/low-temperature condition, the other end is then positioned at indoor temperature end, also need between the internal face of discharger 4 and regenerator 2 to adopt clearance seal, therefore the design difficulty of processing of discharger 4 is very large.
The motion of discharger 4 and the second piston 5 is because be not reverse in addition, and quality also may be different, and therefore system can produce larger vibration, is unfavorable for practical application.
Model utility content
(1) technical problem that will solve
The purpose of this utility model be to provide a kind of technique simple, vibrate little Stirling thermal engine operating.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of Stirling thermal engine operating, comprise the hot junction/cool end heat exchanger, regenerator, room temperature heat exchanger and the cylinder that are connected successively from top to bottom, it also comprises heat buffering cavity room, discharger and linear electric motor, described heat buffering cavity room is arranged in described regenerator, coaxially arrange with described regenerator, the upper end of described heat buffering cavity room is connected with described hot junction/cool end heat exchanger, its lower end is connected with described room temperature heat exchanger, and described discharger and linear electric motor are all opposite disposed in described cylinder.
Wherein, the outside of described discharger is located at by described linear electric motor.
Wherein, described discharger comprises two first pistons be oppositely arranged, and described linear electric motor comprise mover and the second piston, and described second piston is located at one end of described mover, described mover moves reciprocatingly for driving described second piston, and described second piston is located at the outside of described first piston.
Wherein, one end level connection joint that described first piston is relative with described second piston has connecting rod, and described second piston is provided with the central through bore through described connecting rod.
Wherein, the upper/lower terminal of described heat buffering cavity room is equipped with laminarization element.
Preferably, described laminarization element is wire gaze.
(3) beneficial effect
Compared with prior art, the utility model has the following advantages:
A kind of Stirling thermal engine operating that the utility model provides, comprises the hot junction/cool end heat exchanger, regenerator, room temperature heat exchanger and the cylinder that are connected successively from top to bottom; Adopt and heat buffering cavity room is set in this Stirling thermal engine operating, the upper end of described heat buffering cavity room is connected with described hot junction/cool end heat exchanger, its lower end is connected with described room temperature heat exchanger and is in room temperature state thus, opposite disposed respectively in the cylinder have discharger and linear electric motor, described discharger entirety is in room temperature state thus, thus reduces design and the difficulty of processing of discharger; In addition, discharger employing is opposite disposed can offset vibration; Linear electric motor adopt opposite disposed also can reduction to vibrate, and therefore the vibration of whole system can drop to very little.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional Stirling thermal engine operating;
Fig. 2 is the structural representation of Stirling thermal engine operating of the present utility model.
In figure: 1: room temperature heat exchanger; 2: regenerator; 3: hot junction/cool end heat exchanger; 4: discharger; 5: the second pistons; 6: stator; 7: mover; 8: laminarization element; 9: heat buffering cavity room; 10: first piston; 11: connecting rod.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following instance for illustration of the utility model, but is not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of 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.
As shown in Figure 2, for a kind of Stirling thermal engine operating that the utility model provides, it comprises the hot junction/cool end heat exchanger 3, regenerator 2, room temperature heat exchanger 1 and the cylinder that are connected successively from top to bottom, particularly, when described Stirling thermal engine operating is hot end heat exchanger as hot junction/cool end heat exchanger during motor 3, when described Stirling thermal engine operating is cool end heat exchanger as hot junction/cool end heat exchanger during refrigerator 3; It also comprises heat buffering cavity room 9, discharger 4 and linear electric motor, described heat buffering cavity room 9 is arranged in described regenerator 2, coaxially arrange with described regenerator 2, the upper end of described heat buffering cavity room 9 is connected with described hot junction/cool end heat exchanger 3, its lower end is connected with described room temperature heat exchanger 1, particularly, the hollow space of described regenerator 2 forms described heat buffering cavity room 9; Through the air-flow buffer effect of described heat buffering cavity room 9, to ensure that its lower end is in room temperature, the cylinder being in room temperature heat exchanger 1 lower end is thus in room temperature state, described discharger 4 and linear electric motor opposite disposed in described cylinder; Thus ensureing that described discharger 4 is operated in room temperature state, the manufacture of described discharger 4 and design difficulty reduce widely thus; Adopt the opposite disposed vibration that can reduce system.
In order to offset the vibration in cylinder, described discharger 4 comprises two first pistons, 10, two the described first pistons 10 be oppositely arranged and is preferably symmetrical arranged about the central axis of described cylinder.
The outside of described discharger 4 is located at by described linear electric motor, described linear electric motor comprise stator 6, mover 7 and the second piston 5, described stator 6 is fixedly connected with the inwall of described cylinder, described second piston 5 is located at described mover 7 one end relative with adjacent first piston 10, described mover 7 moves reciprocatingly along stator 6 for driving described second piston 5, and described second piston 5 is located at the outside of described first piston 10; Two the second piston 5 relative movement, the thus vibration of further bucking-out system; Thus ensure that the vibration of whole system drops to very little.
Wherein, one end level connection joint that described first piston 10 is relative with described second piston 5 has connecting rod 11, and described second piston 5 is provided with the central through bore through described connecting rod 11; Area before and after such discharger 4 and the second piston 5 is different, contributes to the rigidity of the spring reduced needed for the to-and-fro motion of support second piston 5.
Wherein, the upper/lower terminal of described heat buffering cavity room 9 is equipped with laminarization element 8, makes gas circulate evenly; Preferably, described laminarization element 8 is wire gaze, is convenient to manufacture, and high temperature resistant or low temperature.
As can be seen from the above embodiments, the utility model novel in structural design, by increasing the slow chamber of heat, making discharger 4 be operated in room temperature state, reducing manufacture and the difficulty of processing of discharger 4; In addition, discharger 4 and linear electric motor adopt opposed structure respectively, can reduce the vibration of system.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a Stirling thermal engine operating, comprise the hot junction/cool end heat exchanger, regenerator, room temperature heat exchanger and the cylinder that are connected successively from top to bottom, it is characterized in that, also comprise heat buffering cavity room, discharger and linear electric motor, described heat buffering cavity room is arranged in described regenerator, coaxially arranges with described regenerator, and the upper end of described heat buffering cavity room is connected with described hot junction/cool end heat exchanger, its lower end is connected with described room temperature heat exchanger, and described discharger and linear electric motor are all opposite disposed in described cylinder.
2. Stirling thermal engine operating as claimed in claim 1, it is characterized in that, the outside of described discharger is located at by described linear electric motor.
3. Stirling thermal engine operating as claimed in claim 2, it is characterized in that, described discharger comprises two first pistons be oppositely arranged, described linear electric motor comprise mover and the second piston, described second piston is located at one end of described mover, described mover moves reciprocatingly for driving described second piston, and described second piston is located at the outside of described first piston.
4. Stirling thermal engine operating as claimed in claim 3, it is characterized in that, one end level connection joint that described first piston is relative with described second piston has connecting rod, and described second piston is provided with the central through bore through described connecting rod.
5. Stirling thermal engine operating as claimed in claim 1, it is characterized in that, the upper/lower terminal of described heat buffering cavity room is equipped with laminarization element.
6. Stirling thermal engine operating as claimed in claim 5, it is characterized in that, described laminarization element is wire gaze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276488.0U CN204716416U (en) | 2015-04-30 | 2015-04-30 | Stirling heat engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276488.0U CN204716416U (en) | 2015-04-30 | 2015-04-30 | Stirling heat engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716416U true CN204716416U (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520276488.0U Active CN204716416U (en) | 2015-04-30 | 2015-04-30 | Stirling heat engine |
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| Country | Link |
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| CN (1) | CN204716416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781783A (en) * | 2016-03-04 | 2016-07-20 | 中国科学院理化技术研究所 | Free piston Stirling heat engine |
| CN106917696A (en) * | 2017-01-24 | 2017-07-04 | 中国科学院理化技术研究所 | Stirling heat engine |
-
2015
- 2015-04-30 CN CN201520276488.0U patent/CN204716416U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781783A (en) * | 2016-03-04 | 2016-07-20 | 中国科学院理化技术研究所 | Free piston Stirling heat engine |
| CN105781783B (en) * | 2016-03-04 | 2017-07-14 | 中科力函(深圳)热声技术有限公司 | Free piston Stirling heat engine |
| CN106917696A (en) * | 2017-01-24 | 2017-07-04 | 中国科学院理化技术研究所 | Stirling heat engine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |