CN101963399B - Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection - Google Patents
Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection Download PDFInfo
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- CN101963399B CN101963399B CN2010105006608A CN201010500660A CN101963399B CN 101963399 B CN101963399 B CN 101963399B CN 2010105006608 A CN2010105006608 A CN 2010105006608A CN 201010500660 A CN201010500660 A CN 201010500660A CN 101963399 B CN101963399 B CN 101963399B
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- receiving mechanism
- light
- gathering receiving
- luminous energy
- disc
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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
- Y02E10/44—Heat exchange systems
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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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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar hot water generating device with a secondary reflection disc-shaped closed cavity for light collection. The device receives solar energy through the reflecting and focusing actions of a large plane reflector and a rotating paraboloid reflector, so that the receiving efficiency on solar energy can be greatly increased. The device can be used for realizing the collection and the receiving of solar energy in environments with strong light and poor light.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; Particularly a kind of secondary reflection disc closed housing lighting solar hot water 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; A water tank has been installed above 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, and the Salar light-gathering receiving mechanism is divided into many groups, and the middle part of the square big plane mirror of a block length all has been installed in the front of each group Salar light-gathering receiving mechanism, respectively 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 big plane mirror and planar transparent cover plate of organizing Salar light-gathering receiving mechanism front intersects 45
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a hollow heat conduction cavity of disc, a disc 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 disc solar panel of each luminous energy receiver is concentric with the hollow heat conduction cavity of the disc of this luminous energy receiver; The disc solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat conduction cavity of the disc of this luminous energy receiver; The taper seat reflective mirror of each luminous energy receiver covers closely on the hollow heat conduction cavity of the disc of this luminous energy receiver; 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, the hollow heat conduction cavity of disc and the taper seat reflective mirror of each luminous energy receiver constitute a closed housing
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 disk plane over against the disk plane of the light entrance slit of the big plane mirror of this group Salar light-gathering receiving mechanism front and the hollow heat conduction cavity of each disc over against this paraboloid of revolution reflective mirror of the hollow heat conduction cavity of each disc of the luminous energy receiver of Salar light-gathering receiving mechanism; The center of circle of the disk plane of the hollow heat conduction cavity of disc of the luminous energy receiver of each Salar light-gathering receiving mechanism is positioned on the symmetry axis of paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism; The disk plane of the hollow heat conduction cavity of disc of the luminous energy receiver of each Salar light-gathering receiving mechanism is perpendicular to the symmetry axis of the paraboloid of revolution reflective mirror of this 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 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 Salar light-gathering receiving mechanism front
When sunshine during perpendicular to the incident of planar transparent cover plate; Light entrance slit and the light incident circular hole of taper seat reflective mirror that can both pass the big plane mirror of this group Salar light-gathering receiving mechanism front 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 are radiated on the disc solar panel of each luminous energy receiver; A luminous energy part that is radiated on the disc solar panel of each luminous energy receiver converts electric energy into through the disc solar panel; Another part of luminous energy converts heat energy into through the hollow heat conduction cavity of the disc of each luminous energy receiver; Hemisphere face transparent light guide lid, the hollow heat conduction cavity of disc and closed housing 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 the light incident circular hole of each taper seat reflective mirror repeatedly is radiated on the disc 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 and heat energy in closed housing, therefore significantly improved the photoelectricity and the photo-thermal conversion ratio 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 photoelectricity and the photo-thermal conversion ratio of each luminous energy receiver, realized that higher photoelectricity and photo-thermal conversion ratio are 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.
The specific 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, and a water tank 8-1 has been installed above rectangular box 3-1, on rectangular box 3-1, are 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; Each Salar light-gathering receiving mechanism proper alignment is in rectangular box 3-1, and 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; The hollow heat conduction cavity of the hemisphere face of first group of Salar light-gathering receiving mechanism is serially connected through heat pipe 9-1-3; The hollow heat conduction cavity of the hemisphere face of second group of Salar light-gathering receiving mechanism is serially connected through heat pipe 9-2-3; The hollow heat conduction cavity of the hemisphere face of the 3rd group of Salar light-gathering receiving mechanism is serially connected through heat pipe 9-3-3; The hollow heat conduction cavity of the hemisphere face of the 4th group of Salar light-gathering receiving mechanism is serially connected through heat pipe 9-4-3; The hollow heat conduction cavity of the hemisphere face of the 5th group of Salar light-gathering receiving mechanism is serially connected through heat pipe 9-5-3, and the lower end of heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 through cold water pipe 9-1-2, and the upper end of heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 through hot-water line 9-1-1.
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 the hollow heat conduction cavity of disc 5-1, disc 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; Disc solar panel 10-1 is concentric with the hollow heat conduction cavity of disc 5-1, and disc solar panel 10-1 close adhesion is on the surface of the hollow heat conduction cavity of disc 5-1
Taper seat reflective mirror 7-1 covers closely on the hollow heat conduction cavity of disc 5-1; 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, disc hollow heat conduction cavity 5-1 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 disk plane of the hollow heat conduction cavity of disc 5-1 is over against the light entrance slit of big plane mirror 1-1-1; The disk plane of the hollow heat conduction cavity of disc 5-1 is over against the reflective surface of paraboloid of revolution reflective mirror 1-2-1; The center of circle of the disk plane of the hollow heat conduction cavity of disc 5-1 is positioned on the symmetry axis of paraboloid of revolution reflective mirror 1-2-1; The disk plane of the hollow heat conduction cavity of disc 5-1 is perpendicular to the symmetry axis 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 hemisphere face transparent light guide lid 6-1 and the focus of paraboloid of revolution reflective mirror 1-2-1 overlap, and 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 sunshine 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 disc solar panel 10-1; A part that is radiated at the luminous energy on the disc solar panel 10-1 converts electric energy into through disc solar panel 10-1; Another part of luminous energy converts heat energy into through the hollow heat conduction cavity of disc 5-1; Because of hemisphere face transparent light guide lid 6-1, disc hollow heat conduction cavity 5-1 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 disc solar panel 10-1 through the reflection of taper seat reflective mirror 7-1; The major part of luminous energy changes electric energy and heat energy in closed cavities; Therefore significantly improved photoelectricity and the photo-thermal conversion ratio 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 disc closed housing lighting solar hot water TRT; Constitute by rectangular box, water tank, cold water pipe, hot-water line, 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 hollow heat conduction cavity of disc, a disc 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; On rectangular box, be stamped a planar transparent cover plate; The Salar light-gathering receiving mechanism is divided into many groups; The middle part of the square big plane mirror of one block length all has been installed in the front of each group Salar light-gathering receiving mechanism, respectively 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 big plane mirror and planar transparent cover plate of organizing Salar light-gathering receiving mechanism front intersects 45; 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 Salar light-gathering receiving mechanism front; The disc solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat conduction cavity of the disc of this luminous energy receiver; Each organizes the reflective surface of disk plane over against the disk plane of the light entrance slit of the big plane mirror of this group Salar light-gathering receiving mechanism front and the hollow heat conduction cavity of each disc over against this paraboloid of revolution reflective mirror of the hollow heat conduction cavity of each disc of the luminous energy receiver of Salar light-gathering receiving mechanism; The center of circle of the disk plane of the hollow heat conduction cavity of disc of the luminous energy receiver of each Salar light-gathering receiving mechanism is positioned on the symmetry axis of paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism; The disk plane of the hollow heat conduction cavity of disc of the luminous energy receiver of each Salar light-gathering receiving mechanism is perpendicular to the symmetry axis of the paraboloid of revolution reflective mirror of this 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 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 Salar light-gathering receiving mechanism front
When sunshine during perpendicular to the incident of planar transparent cover plate; Light entrance slit and the light incident circular hole of taper seat reflective mirror that can both pass the big plane mirror of this group Salar light-gathering receiving mechanism front 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 are radiated on the disc solar panel of each luminous energy receiver; A luminous energy part that is radiated on the disc solar panel of each luminous energy receiver converts electric energy into through the disc solar panel; Another part of luminous energy converts heat energy into through the hollow heat conduction cavity of the disc of each luminous energy receiver; Hemisphere face transparent light guide lid, the hollow heat conduction cavity of disc and closed housing 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 the light incident circular hole of each taper seat reflective mirror repeatedly is radiated on the disc 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 and heat energy in closed housing, therefore significantly improved the photoelectricity and the photo-thermal conversion ratio of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105006608A CN101963399B (en) | 2010-09-30 | 2010-09-30 | Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105006608A CN101963399B (en) | 2010-09-30 | 2010-09-30 | Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection |
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| Publication Number | Publication Date |
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| CN101963399A CN101963399A (en) | 2011-02-02 |
| CN101963399B true CN101963399B (en) | 2012-05-23 |
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| CN2010105006608A Expired - Fee Related CN101963399B (en) | 2010-09-30 | 2010-09-30 | Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455067A (en) * | 2010-10-25 | 2012-05-16 | 北京印刷学院 | Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255611A (en) * | 1999-11-05 | 2000-06-07 | 南京春辉科技实业有限公司 | Solar stove |
| CN101551169A (en) * | 2009-05-07 | 2009-10-07 | 上海交通大学 | Cavity type solar energy absorber |
| CN101660845A (en) * | 2009-09-07 | 2010-03-03 | 东南大学 | Secondary reflection light gathering and heat collecting device with compound curved surface |
| CN101688931A (en) * | 2007-06-28 | 2010-03-31 | 詹姆斯·罗沙 | A non-imaging diffuse light concentrator |
-
2010
- 2010-09-30 CN CN2010105006608A patent/CN101963399B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255611A (en) * | 1999-11-05 | 2000-06-07 | 南京春辉科技实业有限公司 | Solar stove |
| CN101688931A (en) * | 2007-06-28 | 2010-03-31 | 詹姆斯·罗沙 | A non-imaging diffuse light concentrator |
| CN101551169A (en) * | 2009-05-07 | 2009-10-07 | 上海交通大学 | Cavity type solar energy absorber |
| CN101660845A (en) * | 2009-09-07 | 2010-03-03 | 东南大学 | Secondary reflection light gathering and heat collecting device with compound curved surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455067A (en) * | 2010-10-25 | 2012-05-16 | 北京印刷学院 | Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane |
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