CN102447421A - Secondary reflective parabolic closed cavity lighting solar generating unit - Google Patents
Secondary reflective parabolic closed cavity lighting solar generating unit Download PDFInfo
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- CN102447421A CN102447421A CN2010105007507A CN201010500750A CN102447421A CN 102447421 A CN102447421 A CN 102447421A CN 2010105007507 A CN2010105007507 A CN 2010105007507A CN 201010500750 A CN201010500750 A CN 201010500750A CN 102447421 A CN102447421 A CN 102447421A
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- paraboloid
- revolution
- light
- 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
Abstract
The invention relates to a secondary reflective parabolic closed cavity lighting solar generating unit which receives solar energy by reflective focusing functions of a large-plane mirror and a rotary parabolic mirror, so that the efficiency for receiving the solar energy can be greatly increased, and the solar energy in environments with bright light and dim light can be gathered and received.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; The particularly a kind of parabolic closed housing lighting solar of secondary reflection 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 paraboloid of revolution shape solar panel, a taper seat reflective mirror and a hemisphere face transparent light guide lid, and 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 paraboloid of revolution opening part at the paraboloid of revolution shape solar panel of this luminous energy receiver closely; The hemisphere face transparent light guide lid of each luminous energy receiver covers closely on the light incident circular hole of the taper seat reflective mirror of this luminous energy receiver; Hemisphere face transparent light guide lid, paraboloid of revolution shape 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 paraboloid of revolution opening over against the paraboloid of revolution opening of the light entrance slit of the big plane mirror of this group and each paraboloid of revolution shape solar panel over against this paraboloid of revolution reflective mirror of each paraboloid of revolution shape solar panel of the luminous energy receiver of Salar light-gathering receiving mechanism; The focus of the center of circle of the centre of sphere of the paraboloid of revolution focus of the paraboloid of revolution shape solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism and hemisphere face transparent light guide lid and the light incident circular hole of taper seat reflective mirror 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 taper seat reflective mirror is radiated on the paraboloid of revolution shape solar panel of each luminous energy receiver; The luminous energy that is radiated on the paraboloid of revolution shape solar panel of each luminous energy receiver converts electric energy into through paraboloid of revolution shape solar panel; Hemisphere face transparent light guide lid, taper seat reflective mirror and closed cavities of paraboloid of revolution shape solar panel formation because of each luminous energy receiver; And the light incident circular hole of the taper seat reflective mirror of each luminous energy receiver is very little; The light of light incident circular hole that gets into the taper seat reflective mirror of each luminous energy receiver repeatedly is radiated on the paraboloid of revolution shape 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 paraboloid of revolution shape 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 paraboloid of revolution opening part at paraboloid of revolution shape solar panel 10-1 closely; Hemisphere face transparent light guide lid 6-1 covers closely on the light incident circular hole of taper seat reflective mirror 7-1; Taper seat reflective mirror 7-1, hemisphere face transparent light guide lid 6-1 and paraboloid of revolution shape solar panel 10-1 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 paraboloid of revolution opening of paraboloid of revolution shape solar panel 10-1 is over against the light entrance slit of big plane mirror 1-1-1; The paraboloid of revolution opening of paraboloid of revolution shape solar panel 10-1 is over against the reflective surface of paraboloid of revolution reflective mirror 1-2-1; The center of circle of the centre of sphere of the paraboloid of revolution focus of paraboloid of revolution shape solar panel 10-1 and hemisphere face transparent light guide lid 6-1 and the light incident circular hole of taper seat reflective mirror 7-1 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; 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 the light entrance slit of big plane mirror 1-1-1 and the light incident circular hole of taper seat reflective mirror 7-1 is radiated on the paraboloid of revolution shape solar panel 10-1; The luminous energy that is radiated on the paraboloid of revolution shape solar panel 10-1 converts electric energy into through paraboloid of revolution shape solar panel 10-1; Because of taper seat reflective mirror 7-1, hemisphere face transparent light guide lid 6-1 and paraboloid of revolution shape solar panel 10-1 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 paraboloid of revolution shape solar panel 10-1 through the reflection of taper seat reflective mirror 7-1; The luminous energy major part changes electric energy in closed cavities; 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. the parabolic closed housing lighting solar of secondary reflection 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 all is made of a paraboloid of revolution shape 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 paraboloid of revolution opening over against the paraboloid of revolution opening of the light entrance slit of the big plane mirror of this group and each paraboloid of revolution shape solar panel over against this paraboloid of revolution reflective mirror of each paraboloid of revolution shape solar panel of the luminous energy receiver of Salar light-gathering receiving mechanism; The focus of the center of circle of the centre of sphere of the paraboloid of revolution focus of the paraboloid of revolution shape solar panel of the luminous energy receiver of each Salar light-gathering receiving mechanism and hemisphere face transparent light guide lid and the light incident circular hole of taper seat reflective mirror 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 taper seat reflective mirror is radiated on the paraboloid of revolution shape solar panel of each luminous energy receiver; The luminous energy that is radiated on the paraboloid of revolution shape solar panel of each luminous energy receiver converts electric energy into through paraboloid of revolution shape solar panel; Hemisphere face transparent light guide lid, taper seat reflective mirror and closed cavities of paraboloid of revolution shape solar panel formation because of each luminous energy receiver; And the light incident circular hole of the taper seat reflective mirror of each luminous energy receiver is very little; The light of light incident circular hole that gets into the taper seat reflective mirror of each luminous energy receiver repeatedly is radiated on the paraboloid of revolution shape 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 |
|---|---|---|---|
| CN2010105007507A CN102447421A (en) | 2010-09-30 | 2010-09-30 | Secondary reflective parabolic closed cavity lighting solar generating unit |
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| CN2010105007507A CN102447421A (en) | 2010-09-30 | 2010-09-30 | Secondary reflective parabolic closed cavity lighting solar generating unit |
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| CN102447421A true CN102447421A (en) | 2012-05-09 |
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Citations (6)
| 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 |
| CN1160441A (en) * | 1994-10-05 | 1997-09-24 | 泉久雄 | Wavelength separating and light condensing type generating and heating apparatus |
| 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 |
| CN201584926U (en) * | 2009-05-29 | 2010-09-15 | 北京智慧剑科技发展有限责任公司 | Black body solar photothermal and photovoltaic converter |
| CN201846261U (en) * | 2010-09-30 | 2011-05-25 | 北京印刷学院 | Secondary reflection parabolic closed cavity body lighting solar power generation unit |
-
2010
- 2010-09-30 CN CN2010105007507A patent/CN102447421A/en active Pending
Patent Citations (6)
| 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 |
| CN1160441A (en) * | 1994-10-05 | 1997-09-24 | 泉久雄 | Wavelength separating and light condensing type generating and heating apparatus |
| 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 |
| CN201584926U (en) * | 2009-05-29 | 2010-09-15 | 北京智慧剑科技发展有限责任公司 | Black body solar photothermal and photovoltaic converter |
| CN201846261U (en) * | 2010-09-30 | 2011-05-25 | 北京印刷学院 | Secondary reflection parabolic closed cavity body lighting solar power generation unit |
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Application publication date: 20120509 |