CN105240228A - Solar Stirling power generation device - Google Patents
Solar Stirling power generation device Download PDFInfo
- Publication number
- CN105240228A CN105240228A CN201510611307.XA CN201510611307A CN105240228A CN 105240228 A CN105240228 A CN 105240228A CN 201510611307 A CN201510611307 A CN 201510611307A CN 105240228 A CN105240228 A CN 105240228A
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- China
- Prior art keywords
- solar energy
- stirling
- heating
- generating device
- stirling generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Abstract
The invention discloses a solar Stirling power generation device. The solar Stirling power generation device comprises a solar thermal collecting mechanism, a Stirling electric generator and an external firing mechanism. A heated end is arranged on the Stirling electric generator. The solar thermal collecting mechanism heats the heated end of the Stirling electric generator through solar power. The thermal energy is generated through the external firing mechanism by burning fuel. When the thermal energy generated through the solar thermal collecting mechanism does not meet the predetermined standards, the external firing mechanism generates thermal energy through fuel burning to heat the heated end of the Stirling electric generator. According to the technical scheme, the solar Stirling power generation device is reasonable in design. The Stirling electric generator is uninterruptedly heated through the external firing mechanism and the solar thermal collecting mechanism, thus the advantages of the Stirling electric generator can be fully played even in the region where the sunshine is inefficient or the sunshine duration is short.
Description
Technical field
The invention belongs to mechanical field, relate to a kind of electricity generating device, particularly relate to a kind of solar energy Stirling electricity generating device.
Background technique
Stirling generator uses common heat energy, production be renewable energy sources.Its scale is changeable, no matter city, rural area, grassland, mountain valley, Plain, mountain region, and all can build, its application is infinitely wide everywhere.
Promoting the best external heat source of Stirling engine, is certainly solar energy.Solar energy is used for Stirling engine, have directly, simply, totally, the impayable advantage such as definitely pollution-free, free and renewable.In addition, its sharpest edges are, generator maintenance rate is low, recoups the investment in a short time.
But the utilization of solar energy has the restriction of geographical position and time, not enough at sunshine in area that time short, the application of solar energy Stirling generator is limited by very large.
Summary of the invention
In view of this, the invention provides a kind of solar energy Stirling electricity generating device.
For achieving the above object, concrete technological scheme is as follows:
The invention provides a kind of solar energy Stirling electricity generating device, comprise solar energy heating mechanism, stirling generator and external combustion mechanism, described stirling generator is provided with heating end, described solar energy heating mechanism utilizes the heating end of stirling generator described in solar energy heating, described external combustion mechanism utilizes fuel combustion to produce heat energy, when described solar energy heating heat energy that mechanism produces does not meet preassigned, described external combustion mechanism utilizes fuel combustion to produce the heating end of stirling generator described in energy heats.
Preferably, described stirling generator is relative to ground static.
Preferably, described external combustion mechanism comprises firing chamber, and described external combustion mechanism utilizes fuel to burn in described firing chamber and produces heat energy and heat the heating end of described stirling generator.
Preferably, described firing chamber by heat-conducting mechanism by the thermal energy transfer that produces to the heating end of described stirling generator.
Preferably, by the heating end of described stirling generator is placed in the heating end that described stirling generator is heated in described firing chamber.
Preferably, described firing chamber comprises can the combination section being at least two of folding, and when heating the heating end of described stirling generator, the combination section of described firing chamber closes mutually; When not needing the heating end heating described stirling generator, the combination section of described firing chamber is separated from each other.
Preferably, the fuel that described external combustion mechanism utilizes comprises one or more the combination in gaseous fuel, liquid fuel and solid fuel.
Preferably, also comprise controller, described controller is connected with external combustion mechanism with solar energy heating mechanism respectively, and described controller controls the heating end of described solar energy heating mechanism and the described stirling generator of the continual heating of external combustion mechanism.
Preferably, described solar energy heating mechanism is tower, slot type or disc type solar energy heat collection mechanism.
Preferably, described solar energy heating mechanism is by heat collector or the heating end directly heating described stirling generator.
Relative to prior art, Technical Design of the present invention is reasonable, utilizes the continual heating stirling generator of external combustion mechanism and solar energy heating mechanism, even if not enough at sunshine or that the time is short area, also can give full play to the advantage of stirling generator.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 and 3 is the structural representation of the solar energy heating mechanism of embodiments of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiments of the invention.
A kind of solar energy Stirling electricity generating device of embodiments of the invention as shown in Figure 1, comprises solar energy heating mechanism 1, stirling generator 2 and external combustion mechanism 3.
Stirling generator 2 is provided with heating end 21.Solar energy heating mechanism 1 utilizes the heating end 21 of solar energy heating stirling generator, utilizes solar electrical energy generation.External combustion mechanism 3 utilizes fuel combustion to produce heat energy, when solar energy heating mechanism 1 produces heat energy and does not meet predetermined standard time, external combustion mechanism 3 utilizes the heating end 21 of fuel combustion generation energy heats stirling generator 2.
Preassigned in the present invention, is difficult to the minimum requirements reached needed for generating at the heat energy that stirling generator heating end produces for utilizing solar energy, this standard can according to actual conditions by user's self-defining.When generated energy requires higher, standard can be higher, and when requiring low, standard can be turned down.
Embodiments of the invention, can continual generation heat energy by solar energy and fuel combustion, thus continual driving stirling generator running generating, improve the utilization ratio of equipment.
As shown in fig. 1, in an embodiment of the present invention, stirling generator 2 is relative to ground static, and solar energy heating mechanism 1 adjusts along with sun present position at any time, utilizes solar energy to produce energy heats stirling generator 2 to greatest extent.
As shown in Figures 2 and 3, in an embodiment of the present invention, solar energy heating mechanism 1 is tower, slot type or disc type solar energy heat collection mechanism.Tower type solar heat collection mechanism and some small-sized solar plates by the mode of point focusing by solar focusing to heat collector, heat stirling generator by heat collector heat conduction or directly focus on and heat stirling generator.The solar panels of slot type or disc type solar energy heat collection mechanism and flute profile or dish by the mode solar focusing that focuses on to heat collector or by reflector by the solar energy reflection that focuses on on stirling generator, be heated.
As shown in fig. 1, in an embodiment of the present invention, external combustion mechanism 3 comprises firing chamber 31, and external combustion mechanism 1 utilizes fuel to burn in firing chamber 31 and produces heat energy and heat the heating end 21 of stirling generator 2.Utilize firing chamber 31 can improve the utilization ratio of fuel further.
Firing chamber 31 by heat-conducting mechanism by produce thermal energy transfer to or directly heating stirling generator heating end.
As shown in fig. 1, in an embodiment of the present invention, comprise can the combination section being at least two of folding in firing chamber 31.Be preferably mutually that mobile cooperation can the combination section of folding.When closed, heating end is placed in firing chamber, and when disengaged, heating end is exposed to outside each combination section.When heating the heating end of stirling generator, the combination section of firing chamber closes mutually, thus forms airtight firing chamber heating heating end; When not needing the heating end heating stirling generator, the combination section of firing chamber is separated from each other, and is come out by heating end, thus solar energy can be utilized to heat.
Certainly, when solar energy heating mechanism and external combustion mechanism all use heat-conducting mechanism to carry out heat conduction, the structure for heating end does not need to change.
In an embodiment of the present invention, the fuel that external combustion mechanism utilizes comprises one or more the combination in gaseous fuel, liquid fuel and solid fuel.As: rock gas, biogas, petroleum gas, hydrogen, coal gas, diesel oil, liquefied petroleum gas (LPG) etc., the solid fuel such as Yi Jimei, timber.
In addition, in an embodiment of the present invention, also comprise controller, controller is connected with external combustion mechanism with solar energy heating mechanism respectively, controller controls the heating end of solar energy heating mechanism and the continual heating stirling generator of external combustion mechanism, namely, when solar energy heating mechanism does not satisfy the demands, external combustion mechanism heats is started.When solar energy heating mechanism can satisfy the demands, close external combustion mechanism, start solar energy heating mechanism.According to temperature transducer, controller can judge whether the temperature of heating end meets standard, or judge whether the intensity of extraneous sunlight meets standard, or directly judge that Stirling engine exports electric energy and whether meets standard, or control the keying of solar energy heating mechanism and external combustion mechanism according to time standard.Certainly, in some cases, when solar energy heating mechanism and external combustion mechanism all use heat-conducting mechanism, controller also can control solar energy heating mechanism and external combustion mechanism heats heating end simultaneously, to improve output electric energy.
In addition, controller also accessible site in the control mechanism controlling solar energy heating collect solar energy.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (10)
1. a solar energy Stirling electricity generating device, it is characterized in that, comprise solar energy heating mechanism, stirling generator and external combustion mechanism, described stirling generator is provided with heating end, described solar energy heating mechanism utilizes the heating end of stirling generator described in solar energy heating, described external combustion mechanism utilizes fuel combustion to produce heat energy, when described solar energy heating heat energy that mechanism produces does not meet preassigned, described external combustion mechanism utilizes fuel combustion to produce the heating end of stirling generator described in energy heats.
2. solar energy Stirling electricity generating device as claimed in claim 1, it is characterized in that, described stirling generator is relative to ground static.
3. solar energy Stirling electricity generating device as claimed in claim 1, it is characterized in that, described external combustion mechanism comprises firing chamber, and described external combustion mechanism utilizes fuel burn in described firing chamber generation heat energy heat the heating end of described stirling generator.
4. solar energy Stirling electricity generating device as claimed in claim 3, is characterized in that, described firing chamber by heat-conducting mechanism by the thermal energy transfer that produces to the heating end of described stirling generator.
5. solar energy Stirling electricity generating device as claimed in claim 3, is characterized in that, by the heating end of described stirling generator is placed in the heating end that described stirling generator is heated in described firing chamber.
6. solar energy Stirling electricity generating device as claimed in claim 5, is characterized in that, described firing chamber comprises can the combination section being at least two of folding, and when heating the heating end of described stirling generator, the combination section of described firing chamber closes mutually; When not needing the heating end heating described stirling generator, the combination section of described firing chamber is separated from each other.
7. solar energy Stirling electricity generating device as claimed in claim 6, it is characterized in that, the fuel that described external combustion mechanism utilizes comprises one or more the combination in gaseous fuel, liquid fuel and solid fuel.
8. solar energy Stirling electricity generating device as claimed in claim 1, it is characterized in that, also comprise controller, described controller is connected with external combustion mechanism with solar energy heating mechanism respectively, and described controller controls the heating end of described solar energy heating mechanism and the described stirling generator of the continual heating of external combustion mechanism.
9. solar energy Stirling electricity generating device as claimed in claim 1, is characterized in that, described solar energy heating mechanism is tower, slot type or disc type solar energy heat collection mechanism.
10. solar energy Stirling electricity generating device as claimed in claim 1, is characterized in that, described solar energy heating mechanism is by heat collector or the heating end directly heating described stirling generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611307.XA CN105240228A (en) | 2015-09-22 | 2015-09-22 | Solar Stirling power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611307.XA CN105240228A (en) | 2015-09-22 | 2015-09-22 | Solar Stirling power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240228A true CN105240228A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510611307.XA Pending CN105240228A (en) | 2015-09-22 | 2015-09-22 | Solar Stirling power generation device |
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| CN (1) | CN105240228A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595075A (en) * | 2016-11-11 | 2017-04-26 | 李渊 | Small-sized tower-type Stirling energy-storage photo-thermal electric power generation system |
| TWI724887B (en) * | 2020-05-05 | 2021-04-11 | 國立成功大學 | Heat engine and dual heat source solar heat collector |
| TWI767357B (en) * | 2020-10-15 | 2022-06-11 | 國立成功大學 | Device combing solar tracker and dual heat source collector |
| US11835265B2 (en) | 2020-11-30 | 2023-12-05 | National Cheng Kung University | Apparatus combining solar tracker and dual heat source collector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009079510A (en) * | 2007-09-26 | 2009-04-16 | Kawashima Koki Kk | Solar heat power generation device |
| CN102128149A (en) * | 2011-02-25 | 2011-07-20 | 上海齐耀动力技术有限公司 | Phosgene-complementary disc-type sterling solar power generation device |
| CN102192114A (en) * | 2011-05-24 | 2011-09-21 | 武汉凯迪工程技术研究总院有限公司 | Disc-type solar stirling engine power generating device capable of operating continuously day and night |
| CN102877980A (en) * | 2012-09-14 | 2013-01-16 | 北京航空航天大学 | Phosgene complementation solar sterling power generating system |
| CN204283766U (en) * | 2014-12-09 | 2015-04-22 | 上海探能实业有限公司 | Solar energy and coal burning combined electricity generating device |
-
2015
- 2015-09-22 CN CN201510611307.XA patent/CN105240228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009079510A (en) * | 2007-09-26 | 2009-04-16 | Kawashima Koki Kk | Solar heat power generation device |
| CN102128149A (en) * | 2011-02-25 | 2011-07-20 | 上海齐耀动力技术有限公司 | Phosgene-complementary disc-type sterling solar power generation device |
| CN102192114A (en) * | 2011-05-24 | 2011-09-21 | 武汉凯迪工程技术研究总院有限公司 | Disc-type solar stirling engine power generating device capable of operating continuously day and night |
| CN102877980A (en) * | 2012-09-14 | 2013-01-16 | 北京航空航天大学 | Phosgene complementation solar sterling power generating system |
| CN204283766U (en) * | 2014-12-09 | 2015-04-22 | 上海探能实业有限公司 | Solar energy and coal burning combined electricity generating device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595075A (en) * | 2016-11-11 | 2017-04-26 | 李渊 | Small-sized tower-type Stirling energy-storage photo-thermal electric power generation system |
| TWI724887B (en) * | 2020-05-05 | 2021-04-11 | 國立成功大學 | Heat engine and dual heat source solar heat collector |
| TWI767357B (en) * | 2020-10-15 | 2022-06-11 | 國立成功大學 | Device combing solar tracker and dual heat source collector |
| US11835265B2 (en) | 2020-11-30 | 2023-12-05 | National Cheng Kung University | Apparatus combining solar tracker and dual heat source collector |
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Application publication date: 20160113 |
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