CN101964612B - Secondary reflection spherical closed cavity light-collecting solar generating device - Google Patents
Secondary reflection spherical closed cavity light-collecting solar generating device Download PDFInfo
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- CN101964612B CN101964612B CN201010500743A CN201010500743A CN101964612B CN 101964612 B CN101964612 B CN 101964612B CN 201010500743 A CN201010500743 A CN 201010500743A CN 201010500743 A CN201010500743 A CN 201010500743A CN 101964612 B CN101964612 B CN 101964612B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention relates to a secondary reflection spherical closed cavity light-collecting solar generating device which receives solar energy through reflection focusing function of a large-plane reflector and a spinning paraboloidal reflector so as to greatly improve the receiving efficiency of the solar energy. The secondary reflection spherical closed cavity light-collecting solar generating device can be used for realizing collection and 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; Particularly a kind of secondary reflection ball-shaped closure cavity 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; 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 up of a sphere solar panel and a hemisphere face transparent light guide lid; Have a light incident circular hole on the sphere solar panel; The hemisphere face transparent light guide lid of each luminous energy receiver covers closely on the light incident circular hole of the sphere solar panel of this luminous energy receiver; The hemisphere face transparent light guide lid of each luminous energy receiver, sphere solar panel 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 light incident circular hole over against the light incident circular hole of the light entrance slit of the big plane mirror of this group and each sphere solar panel over against this paraboloid of revolution reflective mirror of each sphere 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 sphere solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism 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; Can both pass the light entrance slit of 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 and the light incident circular hole of sphere solar panel is radiated on the sphere solar panel of each luminous energy receiver; The luminous energy that is radiated on the sphere solar panel of each luminous energy receiver converts electric energy into through the sphere solar panel; Hemisphere face transparent light guide lid and closed cavities of sphere solar panel formation because of each luminous energy receiver; And the light incident circular hole of each sphere solar panel is very little; The luminous energy major part that gets into the light incident circular hole of each sphere solar panel 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 sphere solar panel 10-1 and hemisphere face transparent light guide lid 6-1; Have a light incident circular hole on the sphere solar panel 10-1
Hemisphere face transparent light guide lid 6-1 covers closely on the light incident circular hole of sphere solar panel 10-1, and sphere solar panel 10-1 and hemisphere face transparent light guide lid 6-1 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 light incident circular hole of sphere solar panel 10-1 is over against the light entrance slit of big plane mirror 1-1-1; The light incident circular hole of sphere 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 sphere 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; Light entrance slit and hemisphere face transparent light guide lid 6-1 that the reflect focalization of incident ray through big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1 can both pass big plane mirror 1-1-1 are radiated on the sphere solar panel 10-1; The luminous energy that is radiated on the sphere solar panel 10-1 converts electric energy into through sphere solar panel 10-1; Because of hemisphere face transparent light guide lid 6-1 and closed housing of sphere solar panel 10-1 formation; And the light incident circular hole of sphere solar panel 10-1 is very little; The luminous energy major part that gets into the light incident circular hole of sphere solar panel 10-1 changes electric energy in closed housing; 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 ball-shaped closure cavity 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 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 sphere solar panel and a hemisphere face transparent light guide lid; Have a light incident circular hole on the sphere solar panel; 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 light incident circular hole over against the light incident circular hole of the light entrance slit of the big plane mirror of this group and each sphere solar panel over against this paraboloid of revolution reflective mirror of each sphere 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 sphere solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism 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; Can both pass the light entrance slit of 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 and the light incident circular hole of sphere solar panel is radiated on the sphere solar panel of each luminous energy receiver; The luminous energy that is radiated on the sphere solar panel of each luminous energy receiver converts electric energy into through the sphere solar panel; Hemisphere face transparent light guide lid and closed cavities of sphere solar panel formation because of each luminous energy receiver; And the light incident circular hole of each sphere solar panel is very little; The luminous energy major part that gets into the light incident circular hole of each sphere solar panel changes electric energy in closed cavities, therefore significantly improved the photoelectric conversion rate of each luminous energy receiver.
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CN201010500743A CN101964612B (en) | 2010-09-30 | 2010-09-30 | Secondary reflection spherical closed cavity light-collecting solar generating device |
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CN201010500743A CN101964612B (en) | 2010-09-30 | 2010-09-30 | Secondary reflection spherical closed cavity light-collecting solar generating device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982527A (en) * | 1974-01-02 | 1976-09-28 | Cheng Chen Yen | Method and apparatus for concentrating, harvesting and storing of solar energy |
CN2205945Y (en) * | 1994-08-31 | 1995-08-23 | 蒋根弟 | Solar focusing heat collector with composite paraboloid |
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 |
CN101419993A (en) * | 2008-12-03 | 2009-04-29 | 郑小鹿 | Photovoltaic optical condenser |
CN101771370A (en) * | 2009-09-30 | 2010-07-07 | 新疆维吾尔自治区新能源研究所 | Solar power generator realizing multiplied condensation by utilizing secondary reflection method |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982527A (en) * | 1974-01-02 | 1976-09-28 | Cheng Chen Yen | Method and apparatus for concentrating, harvesting and storing of solar energy |
CN2205945Y (en) * | 1994-08-31 | 1995-08-23 | 蒋根弟 | Solar focusing heat collector with composite paraboloid |
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 |
CN101419993A (en) * | 2008-12-03 | 2009-04-29 | 郑小鹿 | Photovoltaic optical condenser |
CN101771370A (en) * | 2009-09-30 | 2010-07-07 | 新疆维吾尔自治区新能源研究所 | Solar power generator realizing multiplied condensation by utilizing secondary reflection method |
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