CN101951203B - Twice-reflected hemispherical-light collecting solar generating device - Google Patents
Twice-reflected hemispherical-light collecting solar generating device Download PDFInfo
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- CN101951203B CN101951203B CN2010105007615A CN201010500761A CN101951203B CN 101951203 B CN101951203 B CN 101951203B CN 2010105007615 A CN2010105007615 A CN 2010105007615A CN 201010500761 A CN201010500761 A CN 201010500761A CN 101951203 B CN101951203 B CN 101951203B
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- receiving mechanism
- gathering receiving
- salar light
- light
- plane mirror
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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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- Optical Elements Other Than Lenses (AREA)
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Abstract
The invention relates to a twice-reflected hemispherical-light collecting solar generating device. Solar energy is received by the device through the light reflecting and focusing actions of a large plane reflector and a rotating paraboloidal reflector, the receiving efficiency of the solar energy can be greatly improved, and the device can be used for realizing the collection and the receiving of the solar energy in the environments of intense light and weak light.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; Particularly a kind of secondary reflection hemisphere face lighting solar TRT that utilizes paraboloid of revolution optically focused principle to receive solar energy; This device receives solar energy through the reflective focussing force of the paraboloid of revolution, can significantly improve the receiving efficiency of solar energy.
Background technology:
Solar energy is a kind of clean energy resource, and is inexhaustible, nexhaustible, also can not cause environmental pollution; Nowadays; No matter in coastal cities, still in inland city, solar product gets into people's the visual field just more and more; Solar street light, solar lawn lamp, solar energy garden lamp, solar corridor lamp, bus station's desk lamp, traffic lights or the like, various solar water heaters have also been walked close to huge numbers of families.But these solar product great majority all do not have light-focusing function, cause solar energy utilization ratio low.The light intensity on solar energy receiving element surface doubles; The receiving efficiency of solar energy receiving element will double; The focus of solar energy industry technology competition at present mainly is the battle of solar energy receiving efficiency; It is thus clear that improve receiving efficiency to whole industry significance level, therefore can effectively improve the intensity of illumination of solar energy receiving element, just become the problem of paying close attention to the most when people utilize solar energy.
In recent years, in the photovoltaic matrix of some solar power stations, realized the Salar light-gathering reception abroad, domestic also have similar experimental rig, but these apparatus structures are complicated, bulky, cost is high-leveled and difficult on the solar domestic product, to obtain popularization.
Summary of the invention:
In order to overcome shortcomings such as existing beam condensing unit complicated in mechanical structure, bulky, cost height. the present invention is directed to the deficiency that prior art exists; Prior art is improved, proposed the Salar light-gathering receiving system that a kind of volume is little, simple and reliable for structure, cost is low, the optically focused reception that it can realize solar energy.
The technical solution adopted for the present invention to solve the technical problems is: a plurality of Salar light-gathering receiving mechanisms have been installed in a rectangular box; Each Salar light-gathering receiving mechanism proper alignment is in rectangular box; On rectangular box, be stamped a planar transparent cover plate; The planar transparent cover plate is enclosed in each Salar light-gathering receiving mechanism in the rectangular box; Each Salar light-gathering receiving mechanism all is made up of a paraboloid of revolution reflective mirror and a luminous energy receiver, and the Salar light-gathering receiving mechanism is divided into many groups
The square big plane mirror of a block length has all been installed in front at each group Salar light-gathering receiving mechanism; Each big plane mirror of organizing Salar light-gathering receiving mechanism front is parallel to each other; Each big plane mirror and planar transparent cover plate of organizing Salar light-gathering receiving mechanism front intersects 45; Each middle part of organizing the big plane mirror of Salar light-gathering receiving mechanism front has a long straight light entrance slit along its long side direction; Each is organized all parallel with same long limit of rectangular box and the light entrance slit that respectively organize the big plane mirror of Salar light-gathering receiving mechanism front of the light entrance slit of big plane mirror of Salar light-gathering receiving mechanism front and is positioned on the same plane parallel with the planar transparent cover plate
The opening direction of the paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is identical; The opening direction of the paraboloid of revolution reflective mirror of the Salar light-gathering receiving mechanism in each group is over against the light entrance slit of the big plane mirror of this group Salar light-gathering receiving mechanism front; The symmetry axis of the paraboloid of revolution reflective mirror of the Salar light-gathering receiving mechanism in each group is parallel with the planar transparent cover plate
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made up of a hemisphere face solar panel,
Each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed on the reflective surface of big plane mirror of this group; The focus of the centre of sphere of the hemisphere face solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps; The hemisphere face solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism is buckled on the reflective surface of this big plane mirror of respectively organizing Salar light-gathering receiving mechanism front closely; Each focus of organizing the paraboloid of revolution reflective mirror of Salar light-gathering receiving mechanism is positioned on the light entrance slit of big plane mirror of this group
When sunlight during perpendicular to the incident of planar transparent cover plate; Can both vertical irradiation behind the reflect focalization of big plane mirror and the paraboloid of revolution reflective mirror of each group Salar light-gathering receiving mechanism of incident ray through each group Salar light-gathering receiving mechanism front on the hemisphere face solar panel of each luminous energy receiver; The hemisphere face solar panel of luminous energy through each luminous energy receiver that is radiated on the hemisphere face solar panel converts electric energy into; Significantly improve the sun light intensity on the hemisphere face solar panel that is radiated at each luminous energy receiver through the big plane mirror of each group Salar light-gathering receiving mechanism front and the reflect focalization effect of the paraboloid of revolution reflective mirror of each group Salar light-gathering receiving mechanism, therefore significantly improved the photoelectric conversion rate of each luminous energy receiver.
The invention has the beneficial effects as follows: the reflective focussing force through each paraboloid of revolution reflective mirror has significantly improved the sun light intensity that is radiated on each luminous energy receiver; Thereby significantly improved the photoelectric conversion rate of each luminous energy receiver, realized that higher photoelectric conversion rate is all arranged under the environment of the high light and the low light level.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the A-A cutaway view of overall structure figure of the present invention.
Fig. 3 is the B-B cutaway view of overall structure figure of the present invention.
Fig. 4 is the enlarged drawing of the Salar light-gathering receiving mechanism cutaway view of the embodiment of the invention.
Fig. 5 is the sketch map of the paraboloid of revolution.
In the paraboloid of revolution pie graph of Fig. 5: paraboloid of revolution S, the directrix plane S1 of the paraboloid of revolution, the summit O of the paraboloid of revolution, the focus f of the paraboloid of revolution, the symmetry axis L of the paraboloid of revolution.
Embodiment:
In Fig. 1, Fig. 2 and Fig. 3; 25 Salar light-gathering receiving mechanisms have been installed in a rectangular box 3-1; 25 Salar light-gathering receiving mechanisms are divided into five groups; On rectangular box 3-1, be stamped a planar transparent cover plate 4-1, planar transparent cover plate 4-1 is enclosed in each Salar light-gathering receiving mechanism in the rectangular box 3-1, and each Salar light-gathering receiving mechanism proper alignment is in rectangular box 3-1; Each Salar light-gathering receiving mechanism all is made up of a paraboloid of revolution reflective mirror and a luminous energy receiver
Big plane mirror 1-1-1 has all been installed in front at the reflective surface of first group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror; Big plane mirror 1-1-2 has all been installed in front at the reflective surface of second group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror; Big plane mirror 1-1-3 has all been installed in front at the reflective surface of the 3rd group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror; Big plane mirror 1-1-4 has all been installed in front at the reflective surface of the 4th group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror; Big plane mirror 1-1-5 has all been installed in front at the reflective surface of the 5th group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror; The middle seat of above-mentioned five big plane mirrors all has a long straight light entrance slit along its long side direction, and above-mentioned five big plane mirrors and planar transparent cover plate 4-1 intersect 45.
Provided the structure of the first Salar light-gathering receiving mechanism among Fig. 4, the first Salar light-gathering receiving mechanism is made up of paraboloid of revolution reflective mirror 1-2-1 and luminous energy receiver 1-3-1 in Fig. 4, and luminous energy receiver 1-3-1 is made up of hemisphere face solar panel 10-1,
Luminous energy receiver 1-3-1 is installed in the back side of the reflective surface of big plane mirror 1-1-1; The focus of the centre of sphere of hemisphere face solar panel 10-1 and paraboloid of revolution reflective mirror 1-2-1 overlaps; Hemisphere face solar panel 10-1 is buckled on the reflective surface of big plane mirror 1-1-1 closely; The focus of paraboloid of revolution reflective mirror 1-2-1 is positioned on the light entrance slit of big plane mirror 1-1-1
When sunlight during perpendicular to planar transparent cover plate 4-1 incident; The reflect focalization of incident ray through big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1 can both vertical irradiation on hemisphere face solar panel 10-1; The luminous energy that is radiated on the hemisphere face solar panel 10-1 converts electric energy into through hemisphere face solar panel 10-1; Reflective focussing force through big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1 has significantly improved the sun light intensity that is radiated on the hemisphere face solar panel 10-1; Thereby significantly having improved the photoelectric conversion rate of luminous energy receiver 1-3-1, the structure of above-mentioned each Salar light-gathering receiving mechanism, each item size and luminous energy reception process are identical with the first Salar light-gathering receiving mechanism.
Claims (1)
1. secondary reflection hemisphere face lighting solar TRT; Constitute by rectangular box, planar transparent cover plate, big plane mirror and Salar light-gathering receiving mechanism; Each Salar light-gathering receiving mechanism all is made up of a paraboloid of revolution reflective mirror and a luminous energy receiver; The luminous energy receiver of each Salar light-gathering receiving mechanism all is made up of a hemisphere face solar panel; The square big plane mirror of a block length has all been installed in front at each group Salar light-gathering receiving mechanism; Each big plane mirror of organizing Salar light-gathering receiving mechanism front is parallel to each other; Each big plane mirror and planar transparent cover plate of organizing Salar light-gathering receiving mechanism front intersects 45; Each middle part of organizing the big plane mirror of Salar light-gathering receiving mechanism front has a long straight light entrance slit along its long side direction, and each is organized all parallel with same long limit of rectangular box and the light entrance slit that respectively organize the big plane mirror of Salar light-gathering receiving mechanism front of the light entrance slit of big plane mirror of Salar light-gathering receiving mechanism front and is positioned on the same plane parallel with the planar transparent cover plate
It is characterized in that: each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed on the reflective surface of this big plane mirror of respectively organizing Salar light-gathering receiving mechanism front; The focus of the centre of sphere of the hemisphere face solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps; The hemisphere face solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism is buckled on the reflective surface of this big plane mirror of respectively organizing Salar light-gathering receiving mechanism front closely; Each focus of organizing the paraboloid of revolution reflective mirror of Salar light-gathering receiving mechanism is positioned on the light entrance slit of this big plane mirror of respectively organizing Salar light-gathering receiving mechanism front
When sunlight during perpendicular to the incident of planar transparent cover plate; Can both vertical irradiation behind the reflect focalization of big plane mirror and the paraboloid of revolution reflective mirror of each group Salar light-gathering receiving mechanism of incident ray through each group Salar light-gathering receiving mechanism front on the hemisphere face solar panel of each luminous energy receiver; The hemisphere face solar panel of luminous energy through each luminous energy receiver that is radiated on the hemisphere face solar panel converts electric energy into; Significantly improve the sun light intensity on the hemisphere face solar panel that is radiated at each luminous energy receiver through the big plane mirror of each group Salar light-gathering receiving mechanism front and the reflect focalization effect of the paraboloid of revolution reflective mirror of each group Salar light-gathering receiving mechanism, therefore significantly improved the photoelectric conversion rate of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105007615A CN101951203B (en) | 2010-09-30 | 2010-09-30 | Twice-reflected hemispherical-light collecting solar generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105007615A CN101951203B (en) | 2010-09-30 | 2010-09-30 | Twice-reflected hemispherical-light collecting solar generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101951203A CN101951203A (en) | 2011-01-19 |
| CN101951203B true CN101951203B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105007615A Expired - Fee Related CN101951203B (en) | 2010-09-30 | 2010-09-30 | Twice-reflected hemispherical-light collecting solar generating device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1661473A (en) * | 1924-06-10 | 1928-03-06 | Robert H Goddard | Accumulator for radiant energy |
| US3982527A (en) * | 1974-01-02 | 1976-09-28 | Cheng Chen Yen | Method and apparatus for concentrating, harvesting and storing of solar energy |
| US3988166A (en) * | 1975-01-07 | 1976-10-26 | Beam Engineering, Inc. | Apparatus for enhancing the output of photovoltaic solar cells |
| DE3104690A1 (en) * | 1981-02-10 | 1982-08-26 | Siemens AG, 1000 Berlin und 8000 München | Solar-energy system |
| US4841946A (en) * | 1984-02-17 | 1989-06-27 | Marks Alvin M | Solar collector, transmitter and heater |
| CN101345497A (en) * | 2007-07-09 | 2009-01-14 | 上海华达运新能源科技有限公司 | Curved surface sunlight receiver |
| US20090114213A1 (en) * | 2007-11-03 | 2009-05-07 | Solfocus, Inc. | Solar concentrator with square mirrors |
| CN101470258A (en) * | 2007-12-28 | 2009-07-01 | 钟显亮 | Solar universal high-efficiency collection device |
| ES2302485B1 (en) * | 2008-02-19 | 2009-05-04 | Jose Ma. Martinez-Val Peñalosa | SOLAR THERMAL ENERGY CYLINDER-PARABOLIC COLLECTORS WITH NON-ROTARY FIXED TUBE. |
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| CN101951203A (en) | 2011-01-19 |
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