CN101951199B - Secondary reflection hemispherical closed daylighting solar power generating device - Google Patents
Secondary reflection hemispherical closed daylighting solar power generating device Download PDFInfo
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- CN101951199B CN101951199B CN201010500716XA CN201010500716A CN101951199B CN 101951199 B CN101951199 B CN 101951199B CN 201010500716X A CN201010500716X A CN 201010500716XA CN 201010500716 A CN201010500716 A CN 201010500716A CN 101951199 B CN101951199 B CN 101951199B
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- light
- hemisphere face
- luminous energy
- reflective 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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Abstract
The invention relates to a secondary reflection hemispherical closed daylighting solar power generating device which receives solar energy through reflected light focusing function of a large planar reflector and a spinning paraboloidal reflector, which can greatly improve the receiving efficiency of solar energy and can be used for realizing the acquisition and the receiving of the solar energy under environments of strong light and weak light.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; The closed lighting solar TRT of particularly a kind of secondary reflection hemisphere face 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; 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 proper alignment is in rectangular box; Each Salar light-gathering receiving mechanism all is made up of a paraboloid of revolution reflective mirror and a luminous energy receiver; The Salar light-gathering receiving mechanism is divided into many groups; The middle seat that the big plane mirror of the square big plane mirror of one block length, each group all has been installed in the front of each group Salar light-gathering receiving mechanism has a long straight light entrance slit along its long side direction, and each big plane mirror and planar transparent cover plate of organizing the Salar light-gathering receiving mechanism intersects 45
The luminous energy receiver of each Salar light-gathering receiving mechanism is made of a hemisphere face solar panel, a taper seat reflective mirror and a hemisphere face transparent light guide lid; The top of taper seat reflective mirror has a light incident circular hole; The taper seat reflective mirror of each luminous energy receiver covers the opening part at the hemisphere face solar panel of this luminous energy receiver closely; The hemisphere face transparent light guide of each luminous energy receiver is covered on the light incident circular hole of the taper seat reflective mirror of this luminous energy receiver; Hemisphere face transparent light guide lid, hemisphere face solar panel and the taper seat reflective mirror of each luminous energy receiver constitute a closed cavities
Each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this group; Each organizes the reflective surface of opening over against the opening of the light entrance slit of the big plane mirror of this group and each hemisphere face solar panel over against this paraboloid of revolution reflective mirror of each hemisphere face solar panel of the luminous energy receiver of Salar light-gathering receiving mechanism; The focus of the centre of sphere of the center of circle of the light incident circular hole of the taper seat reflective mirror of the luminous energy receiver of each Salar light-gathering receiving mechanism and the centre of sphere of hemisphere face solar panel and hemisphere face transparent light guide lid and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps; 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; The light incident circular hole vertical irradiation of light entrance slit and taper seat reflective mirror that can both pass big plane mirror behind the reflect focalization of big plane mirror and the paraboloid of revolution reflective mirror of incident ray through each group Salar light-gathering receiving mechanism is on the hemisphere face solar panel of each luminous energy receiver; The luminous energy that is radiated on the hemisphere face solar panel converts electric energy into through the hemisphere face solar panel; Hemisphere face transparent light guide lid, hemisphere face solar panel and closed cavities of taper seat reflective mirror formation because of each luminous energy receiver; And the light incident circular hole of each taper seat reflective mirror is very little; The light that gets into light incident circular hole repeatedly is radiated on the hemisphere face solar panel of each luminous energy receiver through the reflection of the taper seat reflective mirror of each luminous energy receiver; The major part of luminous energy changes electric energy in closed cavities, 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; 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; Luminous energy receiver 1-3-1 is made up of hemisphere face solar panel 10-1, taper seat reflective mirror 7-1 and hemisphere face transparent light guide lid 6-1; The top of taper seat reflective mirror 7-1 has a light incident circular hole
Taper seat reflective mirror 7-1 covers the opening part at hemisphere face solar panel 10-1 closely; Hemisphere face transparent light guide lid 6-1 covers on the light incident circular hole of taper seat reflective mirror 7-1; Hemisphere face transparent light guide lid 6-1, hemisphere face solar panel 10-1 and taper seat reflective mirror 7-1 constitute a closed cavities
Luminous energy receiver 1-3-1 is installed in the back side of the reflective surface of big plane mirror 1-1-1; The opening of hemisphere face solar panel 10-1 is over against the light entrance slit of big plane mirror 1-1-1; The opening of hemisphere face solar panel 10-1 is over against the reflective surface of paraboloid of revolution reflective mirror 1-2-1; The centre of sphere of the center of circle of the light incident circular hole of taper seat reflective mirror 7-1 and the centre of sphere of hemisphere face solar panel 10-1 and hemisphere face transparent light guide lid 6-1 and the focus of paraboloid of revolution reflective mirror 1-2-1 overlap; 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; Behind the reflect focalization of incident ray through big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1; The light incident circular hole that passes light entrance slit and the taper seat reflective mirror 7-1 of big plane mirror 1-1-1 gets into luminous energy receiver 1-3-1 and 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; Because of hemisphere face transparent light guide lid 6-1, hemisphere face solar panel 10-1 and taper seat reflective mirror 7-1 constitute a closed cavities; And the light incident circular hole of taper seat reflective mirror 7-1 is very little; The light that gets into the light incident circular hole of taper seat reflective mirror 7-1 repeatedly is radiated on the hemisphere face solar panel 10-1 through the reflection of taper seat reflective mirror 7-1; The major part of luminous energy changes electric energy in closed cavities, therefore significantly improved the photoelectric conversion rate of luminous energy receiver 1-3-1, and 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. the closed lighting solar TRT of a secondary reflection hemisphere face; 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 of a paraboloid of revolution reflective mirror and a luminous energy receiver; The luminous energy receiver of each Salar light-gathering receiving mechanism is made of a hemisphere face solar panel, a taper seat reflective mirror and a hemisphere face transparent light guide lid; The top of taper seat reflective mirror has a light incident circular hole; It is characterized in that: each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this group; Each organizes the reflective surface of opening over against the opening of the light entrance slit of the big plane mirror of this group and each hemisphere face solar panel over against this paraboloid of revolution reflective mirror of each hemisphere face solar panel of the luminous energy receiver of Salar light-gathering receiving mechanism; The focus of the centre of sphere of the center of circle of the light incident circular hole of the taper seat reflective mirror of the luminous energy receiver of each Salar light-gathering receiving mechanism and the centre of sphere of hemisphere face solar panel and hemisphere face transparent light guide lid and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps; 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; The light incident circular hole vertical irradiation of light entrance slit and taper seat reflective mirror that can both pass big plane mirror behind the reflect focalization of big plane mirror and the paraboloid of revolution reflective mirror of incident ray through each group is on the hemisphere face solar panel of each luminous energy receiver; The luminous energy that is radiated on the hemisphere face solar panel converts electric energy into through the hemisphere face solar panel; Hemisphere face transparent light guide lid, hemisphere face solar panel and closed cavities of taper seat reflective mirror formation because of each luminous energy receiver; And the light incident circular hole of each taper seat reflective mirror is very little; The light that gets into light incident circular hole repeatedly is radiated on the hemisphere face solar panel of each luminous energy receiver through the reflection of the taper seat reflective mirror of each luminous energy receiver; The major part of luminous energy changes electric energy in closed cavities, therefore significantly improved the photoelectric conversion rate of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010500716XA CN101951199B (en) | 2010-09-30 | 2010-09-30 | Secondary reflection hemispherical closed daylighting solar power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010500716XA CN101951199B (en) | 2010-09-30 | 2010-09-30 | Secondary reflection hemispherical closed daylighting solar power generating device |
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| Publication Number | Publication Date |
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| CN101951199A CN101951199A (en) | 2011-01-19 |
| CN101951199B true CN101951199B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010500716XA Expired - Fee Related CN101951199B (en) | 2010-09-30 | 2010-09-30 | Secondary reflection hemispherical closed daylighting solar power generating device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052937A (en) * | 1989-12-27 | 1991-07-10 | 施国梁 | General focusing solar energy collecting and use device |
| CN101551164A (en) * | 2008-03-31 | 2009-10-07 | 曹宏海 | Sunshine tracking and concentrating method and tracking-mode solar concentrating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135380A (en) * | 1982-02-04 | 1983-08-11 | Shimadzu Corp | Solar heat utilizing power generating apparatus |
| DE69121916T2 (en) * | 1991-06-28 | 1997-04-03 | Gabor Gode | PLANT FOR SEAWATER DESALINATION USING SOLAR ENERGY, PREFERABLY IN CONNECTION WITH ELECTRICITY GENERATION |
-
2010
- 2010-09-30 CN CN201010500716XA patent/CN101951199B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052937A (en) * | 1989-12-27 | 1991-07-10 | 施国梁 | General focusing solar energy collecting and use device |
| CN101551164A (en) * | 2008-03-31 | 2009-10-07 | 曹宏海 | Sunshine tracking and concentrating method and tracking-mode solar concentrating device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开昭58-135380A 1983.08.11 |
| 江守利，陈泽韶等.二次反射聚光分频光伏系统的光学分析.《工程热物理学报》.2008,第29卷(第3期),全文. * |
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| CN101951199A (en) | 2011-01-19 |
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