CN101949593A - Hemispherical closed daylighting secondary reflection solar water heater - Google Patents
Hemispherical closed daylighting secondary reflection solar water heater Download PDFInfo
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- CN101949593A CN101949593A CN2010105005944A CN201010500594A CN101949593A CN 101949593 A CN101949593 A CN 101949593A CN 2010105005944 A CN2010105005944 A CN 2010105005944A CN 201010500594 A CN201010500594 A CN 201010500594A CN 101949593 A CN101949593 A CN 101949593A
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- hemisphere face
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- luminous energy
- reflective mirror
- energy receiver
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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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Abstract
The invention relates to a hemispherical surface closed daylighting secondary reflection solar water heater. The heater receives solar energy through the reflection focusing function of a large plane reflective mirror and a rotating paraboloid reflective mirror, which can increase the efficiency of receiving solar energy greatly; and the solar energy can be collected and received in either strong light or weak light environment.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology, the particularly a kind of closed daylighting secondary reflection of hemisphere face solar water heater that utilizes paraboloid of revolution optically focused principle to receive solar energy, this device receives solar energy by 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, inexhaustible, nexhaustible, can not cause environmental pollution yet, nowadays, no matter in coastal cities, still in inland city, solar product enters 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, as seen 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, realized the Salar light-gathering reception abroad in the photovoltaic matrix of some solar power stations, domestic also have similar experimental rig, promotes obtaining on the solar domestic product but these apparatus structure complexity, bulky, cost are high-leveled and difficult.
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 of a paraboloid of revolution reflective mirror and a luminous energy receiver, 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, the middle seat of the big plane mirror of each group has a long straight light entrance slit along its long side direction, 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 by a hollow heat conduction cavity of hemisphere face, a taper seat reflective mirror and a hemisphere face transparent light guide lid constitute, 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 hollow heat conduction cavity of the hemisphere face 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, the hemisphere face transparent light guide lid of each luminous energy receiver, hollow heat conduction cavity of hemisphere face and taper seat reflective mirror 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 the hollow heat conduction cavity of each hemisphere face over against this paraboloid of revolution reflective mirror of the hollow heat conduction cavity of each hemisphere face 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 the hollow heat conduction cavity of hemisphere face 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 sunshine during perpendicular to the incident of planar transparent cover plate, incident ray by each group Salar light-gathering receiving mechanism big plane mirror and the reflect focalization of paraboloid of revolution reflective mirror after can both pass the light incident circular hole vertical irradiation of the light entrance slit of big plane mirror and taper seat reflective mirror on the hollow heat conduction cavity of the hemisphere face of each luminous energy receiver, the hollow heat conduction cavity of luminous energy hemisphere face that is radiated on the hollow heat conduction cavity of hemisphere face is converted to heat energy, hemisphere face transparent light guide lid because of each luminous energy receiver, hollow heat conduction cavity of hemisphere face and taper seat reflective mirror constitute a closed cavities, and the light incident circular hole of each taper seat reflective mirror is very little, the light that enters light incident circular hole repeatedly is radiated on the hollow heat conduction cavity of hemisphere face 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 heat energy in closed cavities, therefore significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
The invention has the beneficial effects as follows: the reflective focussing force by 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 photo-thermal conversion ratio of each luminous energy receiver, realized that higher photo-thermal conversion ratio is all arranged under the environment of the high light and the low light level.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
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 schematic diagram 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:
At Fig. 1, among 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, a water tank 8-1 has been installed above rectangular box 3-1, 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, each Salar light-gathering receiving mechanism proper alignment is in rectangular box 3-1, each Salar light-gathering receiving mechanism all is made 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 by 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 by 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 by 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 by 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 by heat pipe 9-5-3, heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, the lower end of heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 by cold water pipe 9-1-2, heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, the upper end of heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 by 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 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 of the hollow heat conduction cavity of hemisphere face 5-1, 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 the hollow heat conduction cavity of hemisphere face 5-1 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 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 opening of the hollow heat conduction cavity of hemisphere face 5-1 is over against the light entrance slit of big plane mirror 1-1-1, the opening of the hollow heat conduction cavity of hemisphere face 5-1 is over against the reflective surface of paraboloid of revolution reflective mirror 1-2-1, the centre of sphere of the centre of sphere of the center of circle of the light incident circular hole of taper seat reflective mirror 7-1 and the hollow heat conduction cavity of hemisphere face 5-1 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 sunshine during perpendicular to planar transparent cover plate 4-1 incident, behind the reflect focalization of incident ray by big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1, the light incident circular hole that passes the light entrance slit of big plane mirror 1-1-1 and taper seat reflective mirror 7-1 enters luminous energy receiver 1-3-1 and vertical irradiation on the hollow heat conduction cavity of hemisphere face 5-1, the luminous energy that is radiated on the hollow heat conduction cavity of the hemisphere face 5-1 is converted to heat energy by the hollow heat conduction cavity of hemisphere face 5-1, because of hemisphere face transparent light guide lid 6-1, hemisphere face 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 enters the light incident circular hole of taper seat reflective mirror 7-1 repeatedly is radiated on the hollow heat conduction cavity of the hemisphere face 5-1 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 photoelectricity and the photo-thermal conversion ratio of luminous energy receiver 1-3-1 have significantly been improved, the structure of above-mentioned each Salar light-gathering receiving mechanism, every size is identical with the first Salar light-gathering receiving mechanism with the luminous energy reception process.
Claims (1)
1. the closed daylighting secondary reflection of hemisphere face solar water heater, by rectangular box, water tank, cold water pipe, hot-water line, the planar transparent cover plate, big plane mirror and Salar light-gathering receiving mechanism constitute, 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 by a hollow heat conduction cavity of hemisphere face, a taper seat reflective mirror and a hemisphere face transparent light guide lid constitute, 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 hollow heat conduction cavity of the hemisphere face 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, the hemisphere face transparent light guide lid of each luminous energy receiver, hollow heat conduction cavity of hemisphere face and taper seat reflective mirror constitute a closed cavities, the Salar light-gathering receiving mechanism is divided into many groups, each hollow heat conduction cavity of hemisphere face of organizing the luminous energy receiver all is serially connected by a heat pipe, each the group heat pipe pass through hot-water line and cold water pipe communicates with water tank, the square big plane mirror of a block length has all been installed in front at each group Salar light-gathering receiving mechanism, the middle seat of the big plane mirror of each group has a long straight light entrance slit along its long side direction, each big plane mirror and planar transparent cover plate of organizing the Salar light-gathering receiving mechanism 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, 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 the hollow heat conduction cavity of each hemisphere face over against this paraboloid of revolution reflective mirror of the hollow heat conduction cavity of each hemisphere face 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 the hollow heat conduction cavity of hemisphere face 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 sunshine during perpendicular to the incident of planar transparent cover plate, incident ray by each group Salar light-gathering receiving mechanism big plane mirror and the reflect focalization of paraboloid of revolution reflective mirror after can both pass the light incident circular hole vertical irradiation of the light entrance slit of big plane mirror and taper seat reflective mirror on the hollow heat conduction cavity of the hemisphere face of each luminous energy receiver, the hollow heat conduction cavity of luminous energy hemisphere face that is radiated on the hollow heat conduction cavity of hemisphere face is converted to heat energy, hemisphere face transparent light guide lid because of each luminous energy receiver, hollow heat conduction cavity of hemisphere face and taper seat reflective mirror constitute a closed cavities, and the light incident circular hole of each taper seat reflective mirror is very little, the light that enters light incident circular hole repeatedly is radiated on the hollow heat conduction cavity of hemisphere face 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 heat energy in closed cavities, therefore significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105005944A CN101949593B (en) | 2010-09-30 | 2010-09-30 | Hemispherical closed daylighting secondary reflection solar water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105005944A CN101949593B (en) | 2010-09-30 | 2010-09-30 | Hemispherical closed daylighting secondary reflection solar water heater |
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| Publication Number | Publication Date |
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| CN101949593A true CN101949593A (en) | 2011-01-19 |
| CN101949593B CN101949593B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105005944A Expired - Fee Related CN101949593B (en) | 2010-09-30 | 2010-09-30 | Hemispherical closed daylighting secondary reflection solar water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048423A (en) * | 2014-07-17 | 2014-09-17 | 杭州金培科技有限公司 | Improved solar thermal collector system |
Citations (6)
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|---|---|---|---|---|
| US3982527A (en) * | 1974-01-02 | 1976-09-28 | Cheng Chen Yen | Method and apparatus for concentrating, harvesting and storing of solar energy |
| US5465708A (en) * | 1993-09-18 | 1995-11-14 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Trough-shaped collector |
| JP2005076967A (en) * | 2003-08-29 | 2005-03-24 | Sanden Corp | Solar heat collection device |
| CN200976056Y (en) * | 2006-11-14 | 2007-11-14 | 刘红雄 | Sunlight guiding device |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar energy gradient development heat utilization system |
| CN201844576U (en) * | 2010-09-30 | 2011-05-25 | 北京印刷学院 | Hemispheric closed lighting secondary-reflection solar water heater |
-
2010
- 2010-09-30 CN CN2010105005944A patent/CN101949593B/en not_active Expired - Fee Related
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 |
| US5465708A (en) * | 1993-09-18 | 1995-11-14 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Trough-shaped collector |
| JP2005076967A (en) * | 2003-08-29 | 2005-03-24 | Sanden Corp | Solar heat collection device |
| CN200976056Y (en) * | 2006-11-14 | 2007-11-14 | 刘红雄 | Sunlight guiding device |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar energy gradient development heat utilization system |
| CN201844576U (en) * | 2010-09-30 | 2011-05-25 | 北京印刷学院 | Hemispheric closed lighting secondary-reflection solar water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048423A (en) * | 2014-07-17 | 2014-09-17 | 杭州金培科技有限公司 | Improved solar thermal collector system |
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| CN101949593B (en) | 2012-11-14 |
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Granted publication date: 20121114 Termination date: 20130930 |