CN104564416B - A kind of Stirling engine of star-like link transmission - Google Patents
A kind of Stirling engine of star-like link transmission Download PDFInfo
- Publication number
- CN104564416B CN104564416B CN201410660264.XA CN201410660264A CN104564416B CN 104564416 B CN104564416 B CN 104564416B CN 201410660264 A CN201410660264 A CN 201410660264A CN 104564416 B CN104564416 B CN 104564416B
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- star
- motor matrix
- shoulder hole
- matrix
- stirling engine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/044—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
A kind of Stirling engine of star-like link transmission, adopt one-piece base body, matrix realizes each active chamber required for Stirling cycle by the form of shoulder hole, the power that working medium adds thermal expansion, cooling meat produces is utilized to drive power piston to produce to-and-fro motion by free piston type Stirling cycle again, multiple power piston is coupled by star-like connecting rod, realize driver output axle to rotate continuously, the present invention adopts all-in-one-piece motor matrix that complete machine structure is stablized, reliable operation, is beneficial to the layout of heat dissipation pipeline; Realized the parallel connection of multiple Stirling operational module by the mode of star arrangement, save space, improve the specific power of whole motor; All moving elements are encapsulated between upper and lower end cap, and machine life is improved.
Description
Technical field
The present invention relates to a kind of Stirling engine, particularly a kind of Stirling engine of star-like link transmission.
Background technique
Stirling engine is that the pastor Luo Bate Stirling (RobertStirling) in London was in invention in 1816, it is by when gases are heated, they expand, meets cold compression and produce a kind of external-combustion engine of power, its actual efficiency is no better than intrinsic peak efficiency (Carnot's cycle efficiency), there is no detonation in the course of the work simultaneously, noise is very little, therefore receive and pay close attention to widely, but due to the fast development of internal-combustion engine, Stirling engine the is faded out sight line of commercial Application, only applies to some extent in minority military field.Until in the last few years, domestic gas sealing technique was developed, and the high quality chemical energy consumption simultaneously needed for internal-combustion engine totally, makes Stirling engine again become the focus of research.The protrusion advantage of Stirling engine is applicable to almost all energy, makes people be utilized the unserviceable energy originally.By Stirling engine, the mankind can utilize some low-quality energy, as used heat, underground heat, sunlight etc., by corresponding conversion equipment, become electric energy to be used these energy conversion.There is life-span short shortcoming in existing Stirling engine.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of Stirling engine of star-like link transmission, adopting and circumferentially improving specific power and life-span with the scheme of unit frame.
In order to achieve the above object, the technological scheme that the present invention takes is:
A Stirling engine for star-like link transmission, comprises motor matrix 1, and motor matrix 1 is the polygonal prism columniation structure of hollow, is processed with three layers of radial shoulder hole on its lateral surface, is processed with Cooling Holes in the axial direction; Power piston 7 is arranged on the aperture least part of motor matrix 1 shoulder hole, it there is gas-tight sealing, supporting post 11 is connected with the internal thread of motor matrix 1 shoulder hole median pore radius part by the outside thread on its large end, supporting post 11 has a ring through hole on holding greatly, motor matrix 1 shoulder hole aperture largest portion is processed with internal thread in the outer part, and inner side smooth part is provided with cooling heat exchanger 16, the regenerator 15 of annular successively; The small end part of supporting post 11 is set with successively the first return spring 8, moves gas piston seat 14, second return spring 13, three is clamped by two round nut 12 by end, move gas piston seat 14 open-position-side and be processed with internal thread, move gas piston 10 by screw thread with move gas piston seat 14 and be connected, heating cylinder 9 is connected with the internal thread outside the largest portion of motor matrix 1 shoulder hole aperture by screw thread; Power piston 7 side is connected with connecting rod 5 by wrist pin 6, connecting rod 5 other end is connected with crankpin 4, crankpin 4 is welded on the eccentric part end of output shaft 3, output shaft 3 is bearing in the endoporus of motor matrix 1 by clutch shaft bearing 2 and the second bearing 17, and by the shaft shoulder and lower end cap 18 axially locating, upper end cap 19 is connected on the upside of motor matrix 1, lower end cap 18 is connected on the downside of motor matrix 1, output shaft 3 stretches out from the perforate at lower end cap 18 center, and connecting rod 5 is in star arrangement.
Described motor matrix 1 is that overall prism processes, shoulder hole circumference on it is evenly arranged, concrete structure is three layers, innermost layer is minimum inner wall smooth hole, aperture, mesosphere is the female attachment hole of band, outermost surface is that inboard portion is smooth, and there is the working hole of one section of screw thread in outside; Axial Cooling Holes is had in the arranged alongside of shoulder hole.
Described output shaft 3 is multidiameter shaft structure, some eccentric shaft of end, and eccentric shaft end is welded with five crankpins 4.
Described multiple power pistons 7 and connecting rod 5 are evenly arranged in the circumferential, are coupled by the crankpin 4 on output shaft 3 eccentric segment, make each power piston 7 remain fixed skew.
Advantage of the present invention is: adopt all-in-one-piece motor matrix that complete machine structure is stablized, reliable operation, is beneficial to the layout of heat dissipation pipeline; Realized the parallel connection of multiple Stirling operational module by the mode of star arrangement, save space, improve the specific power of whole motor; All moving elements are encapsulated between upper and lower end cap, and machine life is improved.
Accompanying drawing explanation
Fig. 1 is the overall structure generalized section of working portion of the present invention.
Fig. 2 is axial arrangement sectional view of the present invention.
Fig. 3 is motor matrix 1 structural representation of the present invention.
Fig. 4 is output shaft 3 structural representation of the present invention.
Embodiment
With reference to the accompanying drawings detailed explaination is done to the present invention.
See figures.1.and.2, a kind of Stirling engine of star-like link transmission, comprises motor matrix 1, and motor matrix 1 is the polygonal prism columniation structure of hollow, is processed with three layers of radial shoulder hole on its lateral surface, is processed with some Cooling Holes in the axial direction; Power piston 7 is arranged on the aperture least part of motor matrix 1 shoulder hole, it there is gas-tight sealing, supporting post 11 is connected with the internal thread of motor matrix 1 shoulder hole median pore radius part by the outside thread on its large end, supporting post 11 has a ring through hole on holding greatly, working medium is circulated by this some holes, motor matrix 1 shoulder hole aperture largest portion is processed with internal thread in the outer part, and inner side smooth part is provided with cooling heat exchanger 16, the regenerator 15 of annular successively; The small end part of supporting post 11 is set with successively the first return spring 8, moves gas piston seat 14, second return spring 13, three is clamped by two round nut 12 by end, move gas piston seat 14 open-position-side and be processed with internal thread, move gas piston 10 by screw thread with move gas piston seat 14 and be connected, heating cylinder 9 is connected with the internal thread outside the largest portion of motor matrix 1 shoulder hole aperture by screw thread; Power piston 7 side is connected with connecting rod 5 by wrist pin 6, connecting rod 5 other end is connected with crankpin 4, crankpin 4 is welded on the eccentric part end of output shaft 3, output shaft 3 is bearing in the endoporus of motor matrix 1 by clutch shaft bearing 2 and the second bearing 17, and by the shaft shoulder and lower end cap 18 axially locating, upper end cap 19 is connected by screw on the upside of motor matrix 1, lower end cap 18 is connected by screw on the downside of motor matrix 1, output shaft 3 stretches out from the perforate at lower end cap 18 center, and connecting rod 5 is in star arrangement.
With reference to Fig. 3, described motor matrix 1 is that overall prism processes, shoulder hole circumference on it is evenly arranged, concrete structure is three layers, innermost layer is minimum inner wall smooth hole, aperture, mesosphere is the female attachment hole of band, and outermost surface is that inboard portion is smooth, and there is the working hole of one section of screw thread in outside; The Cooling Holes of some axis is had in the arranged alongside of shoulder hole.
With reference to Fig. 4, described output shaft 3 part is multidiameter shaft structure, and some eccentric shaft of end, eccentric shaft end is welded with five crankpins 4.
Described multiple power pistons 7 and connecting rod 5 are evenly arranged in the circumferential, are coupled by the crankpin 4 on output shaft 3 eccentric segment, make each power piston 7 remain fixed skew.
Working principle of the present invention is: when heating cylinder 9 is heated, the working medium temperature of this one end also raises, when the working medium in hot junction and the working medium temperature difference of colling end reach enough be worth time, move gas piston 10 and move gas piston seat 14 and just under the gas differential pressure effect of two ends, small size displacement can occur, thus force to make cold and hot end gas exchanges, when move gas piston 10 and move gas piston seat 14 move to a certain degree time, can be moved back again under the effect of the first return spring 8 and the second return spring 13, move gas piston 10 like this and move gas piston seat 14 and will produce vibration under the effect of the two ends working medium temperature difference and spring, this vibration makes the continuous replacing position of the working medium in cold junction and hot junction, namely cold medium is constantly switched to hot junction heating, thermal medium is constantly switched to cold junction cooling, in this process, working medium can owing to adding thermal expansion, cooling meat does work to power piston 7, outputting power.When five power pistons coordinate, connecting rod, just can promote output shaft 3 and rotate continuously, external outputting power.
Claims (4)
1. the Stirling engine of a star-like link transmission, comprise motor matrix (1), it is characterized in that: motor matrix (1) is the polygonal prism columniation structure of hollow, be processed with three layers of radial shoulder hole on its lateral surface, be processed with Cooling Holes in the axial direction, power piston (7) is arranged on the aperture least part of motor matrix (1) shoulder hole, (7) have gas-tight sealing with power piston, supporting post (11) is connected by the internal thread of the outside thread on its large end with motor matrix (1) shoulder hole median pore radius part, supporting post (11) has a ring through hole on holding greatly, motor matrix (1) shoulder hole aperture largest portion is processed with internal thread in the outer part, and inner side smooth part is provided with cooling heat exchanger (16), the regenerator (15) of annular successively, the small end part of supporting post (11) is set with successively the first return spring (8), moves gas piston seat (14), the second return spring (13), three is clamped by two round nut (12) by end, move gas piston seat (14) open-position-side and be processed with internal thread, move gas piston (10) by screw thread with move gas piston seat (14) and be connected, heating cylinder (9) is connected with the internal thread outside the largest portion of motor matrix (1) shoulder hole aperture by screw thread, power piston (7) side is connected with connecting rod (5) by wrist pin (6), connecting rod (5) other end is connected with crankpin (4), crankpin (4) is welded on the eccentric part end of output shaft (3), output shaft (3) is bearing in the endoporus of motor matrix (1) by clutch shaft bearing (2) and the second bearing (17), and by the shaft shoulder and lower end cap (18) axially locating, upper end cap (19) is connected to motor matrix (1) upside, lower end cap (18) is connected to motor matrix (1) downside, output shaft (3) stretches out from the perforate at lower end cap (18) center, connecting rod (5) is in star arrangement.
2. the Stirling engine of a kind of star-like link transmission according to claim 1, it is characterized in that: described motor matrix (1) is that overall prism processes, shoulder hole circumference on it is evenly arranged, concrete structure is three layers, innermost layer is minimum inner wall smooth hole, aperture, mesosphere is the female attachment hole of band, and outermost surface is that inboard portion is smooth, and there is the working hole of one section of screw thread in outside; Axial Cooling Holes is had in the arranged alongside of shoulder hole.
3. the Stirling engine of a kind of star-like link transmission according to claim 1, it is characterized in that: described output shaft (3) part is multidiameter shaft structure, some eccentric shaft of end, eccentric shaft end is welded with five crankpins (4).
4. the Stirling engine of a kind of star-like link transmission according to claim 1, it is characterized in that: described power piston (7) and connecting rod (5) are evenly arranged in the circumferential, be coupled by the crankpin (4) on output shaft (3) eccentric segment, make each power piston (7) remain fixed skew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660264.XA CN104564416B (en) | 2014-11-18 | 2014-11-18 | A kind of Stirling engine of star-like link transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660264.XA CN104564416B (en) | 2014-11-18 | 2014-11-18 | A kind of Stirling engine of star-like link transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564416A CN104564416A (en) | 2015-04-29 |
| CN104564416B true CN104564416B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410660264.XA Expired - Fee Related CN104564416B (en) | 2014-11-18 | 2014-11-18 | A kind of Stirling engine of star-like link transmission |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375677A (en) * | 2015-11-17 | 2016-03-02 | 广东工业大学 | Five-cylinder electric magnetic engine |
| CN108979897B (en) * | 2017-12-26 | 2023-09-08 | 上海齐耀动力技术有限公司 | Multi-cylinder Stirling engine transmission system |
| FR3091338B1 (en) * | 2018-12-28 | 2021-04-23 | Thales Sa | Reverse Stirling Cycle Cooling Device with One Piece Bracket |
| CN109915279A (en) * | 2019-04-13 | 2019-06-21 | 天津启星动力科技有限公司 | Star-like semi-free piston revolving cylinder engine magnetic linkage combining form |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839858A (en) * | 1971-12-30 | 1974-10-08 | Avermaete G Van | Reciprocating machine |
| US4290264A (en) * | 1978-01-21 | 1981-09-22 | British Aerospace Public Limited Company | Stirling cycle apparatus |
| CN102203383A (en) * | 2008-11-03 | 2011-09-28 | 赛克龙动力科技有限公司 | Waste heat engine |
| CN103912403A (en) * | 2014-04-30 | 2014-07-09 | 郭远军 | Star-type high-low pressure power machine and work-doing method of star-type high-low pressure power machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2434135A1 (en) * | 2010-09-24 | 2012-03-28 | Neemat Frem | Rotary expansion engine |
-
2014
- 2014-11-18 CN CN201410660264.XA patent/CN104564416B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839858A (en) * | 1971-12-30 | 1974-10-08 | Avermaete G Van | Reciprocating machine |
| US4290264A (en) * | 1978-01-21 | 1981-09-22 | British Aerospace Public Limited Company | Stirling cycle apparatus |
| CN102203383A (en) * | 2008-11-03 | 2011-09-28 | 赛克龙动力科技有限公司 | Waste heat engine |
| CN103912403A (en) * | 2014-04-30 | 2014-07-09 | 郭远军 | Star-type high-low pressure power machine and work-doing method of star-type high-low pressure power machine |
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| CN104564416A (en) | 2015-04-29 |
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Granted publication date: 20160120 Termination date: 20181118 |