CN102588229A - Solar-thermal power system - Google Patents
Solar-thermal power system Download PDFInfo
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- CN102588229A CN102588229A CN2011100021786A CN201110002178A CN102588229A CN 102588229 A CN102588229 A CN 102588229A CN 2011100021786 A CN2011100021786 A CN 2011100021786A CN 201110002178 A CN201110002178 A CN 201110002178A CN 102588229 A CN102588229 A CN 102588229A
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- Prior art keywords
- collecting pipe
- heat collecting
- power system
- thermal power
- photo
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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
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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
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/60—Thermal-PV hybrids
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Abstract
An embodiment of the invention discloses a solar-thermal power system, which comprises condensing sheets, a heat collecting pipe and a screw expanding power machine. A light facing face of each condensing sheet is a concave face, a solar cell is arranged on each concave face, the heat collecting pipe is arranged on one side of the light facing face of each condensing sheet, and the screw expanding power machine is connected with the heat collecting pipe. By the aid of the solar-thermal power system in the embodiment, sunlight is converged on the heat collecting pipe after being reflected by the condensing sheets, heat conductive media in the heat collecting pipe can be heated, the heated heat conductive media drive the screw expanding power machine to be operated, the screw expanding power machine serves as a power source to be used for transmitting power, and the solar cells on the condensing sheets are used for photovoltaic generation in sunlight. The solar-thermal power system in the embodiment converts solar energy into mechanical energy based on existing photovoltaic generation, so that solar utilization ratio is increased.
Description
Technical field
The present invention relates to technical field of solar, more particularly, relate to a kind of photo-thermal power system.
Background technique
At present, the application of new energy is more and more general, has brought new vitality for the development of society; Wherein, Solar energy has been applied in the every aspect in society and the people's daily life as the topmost energy, and wherein utilizing solar electrical energy generation is the key areas of present utilization of new energy resources.
Solar electrical energy generation mainly is to adopt silicon solar cell to realize the utilization to solar energy; Though solar electrical energy generation is now as a kind of important generating composition form; But it is not high to solar energy utilization rate, and a large amount of solar energy is not utilized well.
Summary of the invention
In view of this, the invention provides a kind of photo-thermal power system, improved solar energy utilization rate.
In order to achieve the above object, the embodiment of the invention provides following technological scheme:
A kind of photo-thermal power system comprises:
Concentration piece, the receiving surface of this concentration piece are concave panel, and said receiving surface is provided with solar cell slice;
Be arranged on the heat collecting pipe of receiving surface one side of said concentration piece;
The screw expansion motor that links to each other with said heat collecting pipe.
Preferably, in the above-mentioned photo-thermal power system, said concentration piece is an arc reflection plate.
Preferably, in the above-mentioned photo-thermal power system, said heat collecting pipe is provided with endothermic plate.
Preferably, in the above-mentioned photo-thermal power system, also comprise the opposite side that is arranged on said heat collecting pipe, and the reflector plate relative with said concentration piece, the area of this reflector plate is less than the area of said concentration piece.
Preferably, in the above-mentioned photo-thermal power system, the distance between said reflector plate and the said heat collecting pipe is less than the distance between said concentration piece and the said heat collecting pipe.
Preferably, in the above-mentioned photo-thermal power system, said reflector plate is an arc reflection plate.
Preferably, in the above-mentioned photo-thermal power system, the heat-conducting medium in the said heat collecting pipe is water or conduction oil.
Preferably, in the above-mentioned photo-thermal power system, the support of said concentration piece is provided with and is used to regulate the controller of concentration piece with sun rotation.
Can know by technique scheme; The photo-thermal power system that the embodiment of the invention provides, employing concentration piece collect on the heat collecting pipe after sunlight is reflected, thereby heat collecting pipe is heated; Heat-conducting medium through in the heat collecting pipe after the heating enters into screw expansion motor; Under the driving of heat-conducting medium, the screw rod of screw expansion motor is rotated, thereby realizes with solar energy converting being mechanical energy; Screw expansion motor can be used as the equipment that PTO drives other and carries out work, and the solar cell slice that is arranged on simultaneously on the receiving surface of concentration piece receives irradiation of sunlight to carry out photovoltaic generation.The photo-thermal power system that provides in the embodiment of the invention when realizing photovoltaic generation, is a mechanical energy with solar energy converting, makes screw expansion motor as power source, has improved solar energy utilization rate.
Description of drawings
The structural representation of the photo-thermal power system that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the structure for amplifying schematic representation of A part among Fig. 1;
Fig. 3 be among Fig. 2 B-B to sectional view.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the present invention protects.
The embodiment of the invention discloses a kind of photo-thermal power system, improved solar energy utilization rate.
Please refer to accompanying drawing 1-3, the structural representation of the photo-thermal power system that Fig. 1 provides for the embodiment of the invention; Fig. 2 is the structural representation of A part among Fig. 1; Fig. 3 be among Fig. 2 B-B to sectional view.
A kind of photo-thermal power system that the embodiment of the invention provides comprises: concentration piece 1, heat collecting pipe 3 and screw expansion motor 7, wherein:
The receiving surface of concentration piece 1 is a concave panel, and this concave panel is provided with solar cell slice 2;
Screw expansion motor 7 links to each other with heat collecting pipe 3, and the screw rod that enters into screw expansion motor 7 drive screw expansion motive power machines 7 after the heat-conducting medium in the heat collecting pipe 3 is heated rotates.
The photo-thermal power system that the embodiment of the invention provides; Collect on the heat collecting pipe 3 after adopting concentration piece 1 with the sunlight reflection; Thereby heat collecting pipe 3 is heated, enter into screw expansion motor 7 through the heat-conducting medium in the heat collecting pipe 3 after the heating, under the driving of heat-conducting medium; The screw rod of screw expansion motor 7 is rotated; Thereby realize with solar energy converting being mechanical energy, screw expansion motor 7 carries out work as the equipment that a PTO drives other, and the solar cell slice 2 that is arranged on simultaneously on the receiving surface of concentration piece 1 receives irradiation of sunlight to carry out photovoltaic generation.The photo-thermal power system that provides in the embodiment of the invention when realizing photovoltaic generation, can be a mechanical energy with solar energy converting also, makes screw expansion motor as power source, has improved solar energy utilization rate.
In the photo-thermal power system that provides in the embodiment of the invention; Screw expansion motor can be the screw expansion motor of introducing in the patent No. 03123341.4; Screw expansion motor equates that to steam parameter, hot water, carbonated drink two fluid properties of working medium is less demanding, can satisfy the work requirements of screw expansion power fully through the heat-conducting medium in the heat collecting pipe 3 after the heating in the above-mentioned photo-thermal power system.
In the photo-thermal power system that the embodiment of the invention provides; Accumulate on the heat collecting pipe 3 after adopting concentration piece 1 with the sunlight reflection; Realization is to the utilization of the heat of sunlight; Heat-conducting medium through in the heat collecting pipe 3 after the heating enters into screw expansion motor 7, and screw expansion power 7 machines carry out work under the effect of heat-conducting medium, thereby realizes with solar energy converting being that mechanical energy is to drive other equipment; And the receiving surface of concentration piece 1 is provided with solar cell slice 2, carries out photovoltaic generation.Generating of light harvesting volt and machinery are output in one in the photo-thermal power system that the embodiment of the invention provides, and with respect to the existing photovoltaic generation that merely adopts, have improved solar energy utilization rate.
In the photo-thermal power system that provides in the foregoing description, the heat-conducting medium in the heat collecting pipe 3 can adopt heat-conducting medium commonly used, for example conduction oil or water etc.
In the photo-thermal power system that provides in the foregoing description; As long as guaranteeing the receiving surface of concentration piece 1 is that concave panel just can be through the relative position between adjustment itself and the heat collecting pipe 3, compiling after can realizing sunlight reflected, certain concave panel can be with the face of different shape; For the reflection that improves 1 pair of solar energy of concentration piece compiles effect; Preferred concentration piece 1 is arc shaped surface, and is preferred, and above-mentioned concentration piece 1 is arc reflection plate.
In the photo-thermal power system that provides in the foregoing description; In order to guarantee the abundant absorption of the sunlight heat after 3 pairs of concentration pieces of heat collecting pipe 1 reflect; Can be provided with endothermic plate by heat collecting pipe 3; Increase the area of contact of heat collecting pipe 3 and sunlight, make the per unit volume of heat collecting pipe 3 bigger area of contact to be arranged, improved the thermal efficiency of heat collecting pipe 3 with sunlight.
In the photo-thermal power system that provides in the foregoing description; After sunlight after the reflection on the concentration piece 1 converges on the heat collecting pipe 3; But the not all reflected light of light of concentration piece 1 reflection can both shine on the heat collecting pipe 3, in order to improve the utilization ratio to sunlight, at the opposite side of heat collecting pipe 3 reflector plate 4 is set; This reflector plate 4 is relative with concentration piece 1; And be distributed in the both sides of heat collecting pipe 3, the area of this reflector plate 4 can't influence solar light irradiation on concentration piece 1 less than the area of concentration piece 1; The light that does not reflex to after solar irradiation is mapped on the concentration piece 1 on the heat collecting pipe 3 can a part be pooled on the heat collecting pipe 3 through the reflection of reflector plate 4, has improved the energy utilization ratio of whole heat collector to sunlight.
In order to make the effect of above-mentioned reflector plate 4 more obvious, and can not block the acceptance of 1 pair of sunlight of concentration piece, and play reflecting action as much as possible, the distance between the above-mentioned reflector plate 4 distance set heat pipes is less than the distance between concentration piece 1 and the heat collecting pipe 3.Preferably, the reflective surface of above-mentioned reflector plate 4 is arc shaped surface, and is preferred, and above-mentioned reflector plate 4 is arc reflection plate.
In the photo-thermal power system that provides in the foregoing description; In order to make this concentration piece 1 better along with the skew of the sun is rotated; The support of concentration piece 1 is provided with controller 6, and the assembly department 5 of this concentration piece 1 is rotatably installed on this controller 6, and this concentration piece 1 can squint along with the skew of the sun under the effect of controller 6; Improved the flexibility of heat collector, realized solar energy is utilized more efficiently.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a photo-thermal power system is characterized in that, comprising:
Concentration piece, the receiving surface of this concentration piece are concave panel, and said receiving surface is provided with solar cell slice;
Be arranged on the heat collecting pipe of receiving surface one side of said concentration piece;
The screw expansion motor that links to each other with said heat collecting pipe.
2. photo-thermal power system according to claim 1 is characterized in that, said concentration piece is an arc reflection plate.
3. photo-thermal power system according to claim 2 is characterized in that said heat collecting pipe is provided with endothermic plate.
4. photo-thermal power system according to claim 3 is characterized in that, also comprises the opposite side that is arranged on said heat collecting pipe, and the reflector plate relative with said concentration piece, and the area of this reflector plate is less than the area of said concentration piece.
5. photo-thermal power system according to claim 4 is characterized in that, the distance between said reflector plate and the said heat collecting pipe is less than the distance between said concentration piece and the said heat collecting pipe.
6. photo-thermal power system according to claim 5 is characterized in that, said reflector plate is an arc reflection plate.
7. photo-thermal power system according to claim 1 is characterized in that, the heat-conducting medium in the said heat collecting pipe is water or conduction oil.
8. photo-thermal power system according to claim 1 is characterized in that, the support of said concentration piece is provided with and is used to regulate the controller of concentration piece with sun rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100021786A CN102588229A (en) | 2011-01-06 | 2011-01-06 | Solar-thermal power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100021786A CN102588229A (en) | 2011-01-06 | 2011-01-06 | Solar-thermal power system |
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| CN102588229A true CN102588229A (en) | 2012-07-18 |
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| CN2011100021786A Pending CN102588229A (en) | 2011-01-06 | 2011-01-06 | Solar-thermal power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811122A (en) * | 2015-05-15 | 2015-07-29 | 中国地质大学（武汉） | Solar dual condensing photovoltaic and photo-thermal integrated power generation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10005481A1 (en) * | 2000-02-08 | 2001-08-09 | Gerhard Ittner | Paraboloidal-type reflector system incorporates solar heater with parallel sir circulation, heat exchanger and biomass oven. |
| CN1963591A (en) * | 2005-11-07 | 2007-05-16 | 孟英志 | Method and apparatus for high-energy light gathering |
| CN201059805Y (en) * | 2006-10-29 | 2008-05-14 | 宗师全 | Parabola concave type groove reflecting mirror focusing solar electric power generation and purifier |
| CN201982263U (en) * | 2011-01-06 | 2011-09-21 | 胡达 | Photo-thermal power system |
-
2011
- 2011-01-06 CN CN2011100021786A patent/CN102588229A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10005481A1 (en) * | 2000-02-08 | 2001-08-09 | Gerhard Ittner | Paraboloidal-type reflector system incorporates solar heater with parallel sir circulation, heat exchanger and biomass oven. |
| CN1963591A (en) * | 2005-11-07 | 2007-05-16 | 孟英志 | Method and apparatus for high-energy light gathering |
| CN201059805Y (en) * | 2006-10-29 | 2008-05-14 | 宗师全 | Parabola concave type groove reflecting mirror focusing solar electric power generation and purifier |
| CN201982263U (en) * | 2011-01-06 | 2011-09-21 | 胡达 | Photo-thermal power system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811122A (en) * | 2015-05-15 | 2015-07-29 | 中国地质大学（武汉） | Solar dual condensing photovoltaic and photo-thermal integrated power generation system |
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Application publication date: 20120718 |