CN101975461B - Secondary reflection condensation plane daylighting solar water heater - Google Patents
Secondary reflection condensation plane daylighting solar water heater Download PDFInfo
- Publication number
- CN101975461B CN101975461B CN201010525795XA CN201010525795A CN101975461B CN 101975461 B CN101975461 B CN 101975461B CN 201010525795X A CN201010525795X A CN 201010525795XA CN 201010525795 A CN201010525795 A CN 201010525795A CN 101975461 B CN101975461 B CN 101975461B
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- receiving mechanism
- gathering receiving
- plane
- salar light
- luminous 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention relates to a secondary reflection condensation plane daylighting solar water heater. Solar energy is received through reflection condensation function of a large plane reflector and a parabolic reflector, thus the receiving efficiency of the solar energy can be greatly improved, and the solar energy can be collected and received under the 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 concentrating plane daylighting solar water heater that utilizes parabolic cylinder optically focused principle to receive solar energy; This device receives solar energy through the reflective focussing force of reflective surface, 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; Each Salar light-gathering receiving mechanism proper alignment is in 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, and each Salar light-gathering receiving mechanism all is made up of a big plane mirror, a parabolic cylinder reflective mirror and a luminous energy receiver
The big plane mirror of each Salar light-gathering receiving mechanism is parallel to each other; The big plane mirror and the planar transparent cover plate of each Salar light-gathering receiving mechanism intersect 45; The middle seat of each big plane mirror all has a long straight light entrance slit along its long side direction; All parallel with same long limit of rectangular box and the light entrance slit big plane mirror of the light entrance slit of each big plane mirror is positioned on the same plane parallel with the planar transparent cover plate
Each luminous energy receiver all is made up of a hollow heat pipe of rectangular planes flat tube; The lower end of the hollow heat pipe of plane flat tube of each luminous energy receiver communicates with water tank through a cold water pipe; The upper end of the hollow heat pipe of plane flat tube of each luminous energy receiver communicates with water tank through a hot-water line
The luminous energy receiver of each Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this Salar light-gathering receiving mechanism; The hollow heat pipe of plane flat tube of the luminous energy receiver of each Salar light-gathering receiving mechanism is vertical with the plane of symmetry of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The both sides of the plane of symmetry of the parabolic cylinder reflective mirror that is positioned at this Salar light-gathering receiving mechanism of the hollow heat pipe symmetry of the plane flat tube of the luminous energy receiver of each Salar light-gathering receiving mechanism; The light entrance slit of the focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the big plane mirror of this Salar light-gathering receiving mechanism overlaps; The plane of symmetry of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the big plane mirror of this Salar light-gathering receiving mechanism intersect 45
When sunshine during perpendicular to the incident of planar transparent cover plate; The light entrance slit that can both pass big plane mirror behind the reflect focalization of big plane mirror and the parabolic cylinder reflective mirror of incident ray through each Salar light-gathering receiving mechanism is radiated on the hollow heat pipe of plane flat tube of each luminous energy receiver; The plane flat tube hollow heat pipe of luminous energy through each luminous energy receiver that is radiated on the hollow heat pipe of plane flat tube of each luminous energy receiver converts heat energy into; Reflective focussing force through the parabolic cylinder reflective mirror has significantly improved the sun light intensity that is radiated on the hollow heat pipe of plane flat tube, has 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 through each parabolic cylinder 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:
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 enlarged drawing of the Salar light-gathering receiving mechanism cutaway view of the embodiment of the invention.
Fig. 4 is the sketch map of parabolic cylinder.
In the parabolic cylinder pie graph of Fig. 4: parabola L, directrix L1, summit O, focus f, symmetry axis L2, parabolic cylinder S, directrix plane S1, plane of symmetry S2, focal line L3.
The specific embodiment
In Fig. 1 and Fig. 2; The Salar light-gathering receiving mechanism one that is made up of big plane mirror 1-1-1 and parabolic cylinder reflective mirror 1-2-1 and luminous energy receiver 1-3-1 has been installed in rectangular box 3-1; The Salar light-gathering receiving mechanism two that constitutes by big plane mirror 1-1-2 and parabolic cylinder reflective mirror 1-2-2 and luminous energy receiver 1-3-2; The Salar light-gathering receiving mechanism three that constitutes by big plane mirror 1-1-3 and parabolic cylinder reflective mirror 1-2-3 and luminous energy receiver 1-3-3; The Salar light-gathering receiving mechanism four that constitutes by big plane mirror 1-1-4 and parabolic cylinder reflective mirror 1-2-4 and luminous energy receiver 1-3-4; The Salar light-gathering receiving mechanism five that constitutes by big plane mirror 1-1-5 and parabolic cylinder reflective mirror 1-2-5 and luminous energy receiver 1-3-5; The proper alignment of five Salar light-gathering receiving mechanisms is in 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 five Salar light-gathering receiving mechanisms in the rectangular box 3-1
The middle seat of above-mentioned five big plane mirrors all has a long straight light entrance slit along its long side direction; All parallel with the long limit of rectangular box 3-1 and the light entrance slit each big plane mirror of the light entrance slit of above-mentioned five big plane mirrors is positioned on the same plane parallel with planar transparent cover plate 4-1; The reflective plane of 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. 3; The first Salar light-gathering receiving mechanism is made up of big plane mirror 1-1-1, parabolic cylinder reflective mirror 1-2-1 and luminous energy receiver 1-3-1 in Fig. 3; Luminous energy receiver 1-3-1 is made up of the hollow heat pipe 5-3 of plane flat tube; The lower end of the hollow heat pipe 5-3 of plane flat tube communicates with water tank 8-1 through cold water pipe 9-1-2, and the upper end of the hollow heat pipe 5-3 of plane flat tube communicates with water tank 8-1 through hot-water line 9-1-1
Luminous energy receiver 1-3-1 is installed in the back side of the reflective surface of this big plane mirror 1-1-1; Flat tube hollow heat pipe 5-3 in plane is vertical with the plane of symmetry of parabolic cylinder reflective mirror 1-2-1; The hollow heat pipe 5-3 of plane flat tube symmetry is positioned at the both sides of the plane of symmetry of parabolic cylinder reflective mirror 1-2-1; The focal line of parabolic cylinder reflective mirror 1-2-1 overlaps with the light entrance slit of big plane mirror 1-1-1, and the plane of symmetry of parabolic cylinder reflective mirror 1-2-1 intersects 45 with big plane mirror 1-1-1
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; The light entrance slit that can both pass big plane mirror 1-1-1 behind the reflect focalization of incident ray through big plane mirror 1-1-1 and parabolic cylinder reflective mirror 1-2-1 is radiated on the hollow heat pipe 5-3 of plane flat tube; The luminous energy that is radiated on the hollow heat pipe 5-3 of plane flat tube converts heat energy into through the hollow heat pipe 5-3 of plane flat tube; Reflective focussing force through parabolic cylinder reflective mirror 1-2-1 has significantly improved the sun light intensity that is radiated on the plane solar energy cell panel 10-3; Therefore significantly improved the photo-thermal conversion ratio of luminous energy receiver 1-3-1, the structure of the luminous energy receiver of each Salar light-gathering receiving mechanism, each item size and luminous energy reception process are identical with luminous energy receiver 1-3-1.
Claims (1)
1. secondary reflection concentrating plane daylighting solar water heater; Constitute by rectangular box, water tank, cold water pipe, hot-water line, planar transparent cover plate and Salar light-gathering receiving mechanism; A plurality of Salar light-gathering receiving mechanisms have been installed in rectangular box; Each Salar light-gathering receiving mechanism all is made up of a big plane mirror, a parabolic cylinder reflective mirror and a luminous energy receiver; 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 luminous energy receiver all is made up of a hollow heat pipe of rectangular planes flat tube; It is characterized in that: the luminous energy receiver of each Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this Salar light-gathering receiving mechanism; The hollow heat pipe of plane flat tube of the luminous energy receiver of each Salar light-gathering receiving mechanism is vertical with the plane of symmetry of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism, the both sides of the plane of symmetry of the parabolic cylinder reflective mirror that is positioned at this Salar light-gathering receiving mechanism of the hollow heat pipe symmetry of the plane flat tube of the luminous energy receiver of each Salar light-gathering receiving mechanism, and the light entrance slit of the focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the big plane mirror of this Salar light-gathering receiving mechanism overlaps; The plane of symmetry of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the big plane mirror of this Salar light-gathering receiving mechanism intersect 45
When sunshine during perpendicular to the incident of planar transparent cover plate; The light entrance slit that can both pass big plane mirror behind the reflect focalization of big plane mirror and the parabolic cylinder reflective mirror of incident ray through each Salar light-gathering receiving mechanism is radiated on the hollow heat pipe of plane flat tube of each luminous energy receiver; The plane flat tube hollow heat pipe of luminous energy through each luminous energy receiver that is radiated on the hollow heat pipe of plane flat tube of each luminous energy receiver converts heat energy into; Reflective focussing force through the parabolic cylinder reflective mirror has significantly improved the sun light intensity that is radiated on the hollow heat pipe of plane flat tube, has therefore significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525795XA CN101975461B (en) | 2010-10-25 | 2010-10-25 | Secondary reflection condensation plane daylighting solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525795XA CN101975461B (en) | 2010-10-25 | 2010-10-25 | Secondary reflection condensation plane daylighting solar water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975461A CN101975461A (en) | 2011-02-16 |
| CN101975461B true CN101975461B (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010525795XA Expired - Fee Related CN101975461B (en) | 2010-10-25 | 2010-10-25 | Secondary reflection condensation plane daylighting solar water heater |
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Citations (5)
| 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 |
| CN201885432U (en) * | 2010-10-25 | 2011-06-29 | 北京印刷学院 | Secondary-reflection light-collecting light-condensing plane water heater |
-
2010
- 2010-10-25 CN CN201010525795XA patent/CN101975461B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| CN201885432U (en) * | 2010-10-25 | 2011-06-29 | 北京印刷学院 | Secondary-reflection light-collecting light-condensing plane water heater |
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| Publication number | Publication date |
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| CN101975461A (en) | 2011-02-16 |
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Granted publication date: 20120215 Termination date: 20131025 |