CN101968273B - Solar thermoelectric lighting device for collecting solar energy by parabolic cylindrical surface-focusing hollow concave closed cavity - Google Patents
Solar thermoelectric lighting device for collecting solar energy by parabolic cylindrical surface-focusing hollow concave closed cavity Download PDFInfo
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- CN101968273B CN101968273B CN2010105256302A CN201010525630A CN101968273B CN 101968273 B CN101968273 B CN 101968273B CN 2010105256302 A CN2010105256302 A CN 2010105256302A CN 201010525630 A CN201010525630 A CN 201010525630A CN 101968273 B CN101968273 B CN 101968273B
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- luminous energy
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- spill
- gathering receiving
- 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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- 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 solar thermoelectric day-lighting device for connecting solar energy by a parabolic cylindrical surface-spotlighted hollow concave closed cavity. The device receives the solar energy through the reflective focusing effect of the parabolic cylindrical surface, can greatly improve the receiving efficiency of the solar energy and can be used for realizing the collection and the receiving of the solar energy 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; The thermoelectric lighting equipment of the particularly a kind of hollow spill closed housing of parabolic cylinder optically focused lighting solar 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 all is made up of a parabolic cylinder reflective mirror and a luminous energy receiver; 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 the opening of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate, and the luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the focal line of parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
The luminous energy receiver of each Salar light-gathering receiving mechanism is by a hollow heat pipe of long straight spill; The spill solar panel that one block length is straight; A long straight semi-cylindrical transparent light guide is covered and two block length square planar reflective mirrors formation; The spill solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of spill of this luminous energy receiver; The lower end of the hollow heat pipe of spill of each luminous energy receiver communicates with water tank through a cold water pipe; The upper end of the hollow heat pipe of spill of each luminous energy receiver communicates with water tank through a hot-water line
The both sides of the opening part that is positioned at the hollow heat pipe of this luminous energy receiver spill of the two block length square planar reflective mirrors symmetry of each luminous energy receiver; Wherein a long limit of a block length square planar reflective mirror is connected with a straight flange of the hollow heat pipe opening part of the spill of this luminous energy receiver; A long limit of another block length square planar reflective mirror is connected with another straight flange of the hollow heat pipe opening part of the spill of this luminous energy receiver; The two other of two block length square planar reflective mirrors forms the light entrance slit that width is identical between the long limit; The semi-cylindrical transparent light guide of this luminous energy receiver is covered on this light entrance slit; Semi-cylindrical transparent light guide lid, the hollow heat pipe of spill and the two block length square planar reflective mirrors of each luminous energy receiver constitute a closed housing
The spill solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of spill of this luminous energy receiver; The hollow heat pipe of spill of each Salar light-gathering receiving mechanism luminous energy receiver is symmetrically located at the both sides of the plane of symmetry of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The opening direction of the hollow heat pipe of spill of the luminous energy receiver of each Salar light-gathering receiving mechanism is over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; Make the lip-deep spill solar panel that is bonded in the hollow heat pipe of spill reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The focal line of the axis of the semi-cylindrical transparent light guide lid of the luminous energy receiver of each Salar light-gathering receiving mechanism and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps; The focal line of the light entrance slit that forms between the two block length square planar reflective mirrors of the luminous energy receiver of each Salar light-gathering receiving mechanism and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps
When sunshine during perpendicular to the incident of planar transparent cover plate; Can both pass the light entrance slit that forms between the two block length square planar reflective mirrors of this Salar light-gathering receiving mechanism luminous energy receiver behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated on the spill solar panel of each luminous energy receiver; A part that is radiated at the luminous energy on the spill solar panel of each luminous energy receiver converts electric energy into through the spill solar panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of the spill of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of spill and closed housing of two block length square planar reflective mirrors formation because of each luminous energy receiver; And the light entrance slit that forms between the two block length square planar reflective mirrors is very narrow; The light that gets into this light entrance slit is radiated on the hollow heat pipe of spill of each luminous energy receiver through the reflection of two block length square planar reflective mirrors of each luminous energy receiver once more; 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 parabolic cylinder reflective mirror has significantly improved the sun light intensity that is radiated on the luminous energy receiver; Thereby significantly improved the photoelectricity and the photo-thermal conversion ratio of 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 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 parabolic cylinder reflective mirror 1-1-1 and luminous energy receiver 1-2-1 has been installed in rectangular box 3-1; The Salar light-gathering receiving mechanism two that constitutes by parabolic cylinder reflective mirror 1-1-2 and luminous energy receiver 1-2-2; The Salar light-gathering receiving mechanism three that constitutes by parabolic cylinder reflective mirror 1-1-3 and luminous energy receiver 1-2-3; The Salar light-gathering receiving mechanism four that constitutes by parabolic cylinder reflective mirror 1-1-4 and luminous energy receiver 1-2-4; The Salar light-gathering receiving mechanism five that constitutes by parabolic cylinder reflective mirror 1-1-5 and luminous energy receiver 1-2-5; The proper alignment of five Salar light-gathering receiving mechanisms is in rectangular box 3-1; Structure and each item of five Salar light-gathering receiving mechanisms are measure-alike; Structure and each item of the luminous energy receiver of five Salar light-gathering receiving mechanisms are measure-alike; On rectangular box 3-1, be stamped a planar transparent cover plate 4-1; Planar transparent cover plate 4-1 is enclosed in the rectangular box 3-1 five Salar light-gathering receiving mechanisms
The opening of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is over against the planar transparent cover plate; The focal line of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is parallel to each other; The focal line of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is positioned on the same plane parallel with the planar transparent cover plate; The luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the focal line of parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
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 parabolic cylinder reflective mirror 1-1-1 and luminous energy receiver 1-2-1 in Fig. 3; Luminous energy receiver 1-2-1 is by a hollow heat pipe 5-8 of long straight spill; The spill solar panel 10-8 that one block length is straight; A long straight semi-cylindrical transparent light guide lid 6-8; Facet mirror 7-8-1 and facet mirror 7-8-2 constitute; Spill solar panel 10-8 close adhesion is on the surface of the hollow heat pipe 5-8 of spill; The lower end of the hollow heat pipe 5-8 of spill communicates with water tank 8-1 through a cold water pipe 9-1-2; The upper end of the hollow heat pipe 5-8 of spill communicates with water tank 8-1 through a hot-water line 9-1-1
The both sides of the plane of symmetry that is positioned at the hollow heat pipe 5-8 of spill of facet mirror 7-8-1 and facet mirror 7-8-2 symmetry; Wherein facet mirror 7-8-1 long limit and the hollow heat pipe 5-8 of spill opening part a straight flange be connected; Long limit of facet mirror 7-8-2 and the hollow heat pipe 5-8 of spill opening part another straight flange be connected; The two other of facet mirror 7-8-1 and facet mirror 7-8-2 forms the light entrance slit that width is identical between the long limit; Semi-cylindrical transparent light guide lid 6-8 covers on this light entrance slit; Semi-cylindrical transparent light guide lid 6-8, the hollow heat pipe 5-8 of spill, facet mirror 7-8-1 and facet mirror 7-8-2 constitute a closed housing
The focal line of the symmetry axis of the hollow heat pipe 5-8 of spill and parabolic cylinder reflective mirror 1-1-1 is parallel to each other; The plane of symmetry of the plane of symmetry of the hollow heat pipe 5-8 of spill and parabolic cylinder reflective mirror 1-1-1 overlaps; The focal line of light entrance slit that forms between facet mirror 7-8-1 and the facet mirror 7-8-2 and parabolic cylinder reflective mirror 1-1-1 overlaps; The axis of semi-cylindrical transparent light guide lid 6-8 and the focal line of parabolic cylinder reflective mirror 1-1-1 overlap
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; Incident ray can both pass the light entrance slit that forms between facet mirror 7-8-1 and the facet mirror 7-8-2 after through the reflect focalization of parabolic cylinder reflective mirror 1-1-1 and be radiated on the spill solar panel 10-8; A part that is radiated at the luminous energy on the spill solar panel 10-8 converts electric energy into through spill solar panel 10-8; Another part of luminous energy converts heat energy into through the hollow heat pipe 5-8 of spill; Because of semi-cylindrical transparent light guide lid 6-8, the hollow heat pipe 5-8 of spill; Facet mirror 7-8-1 and facet mirror 7-8-2 constitute a closed housing; And the light entrance slit that forms between facet mirror 7-8-1 and the facet mirror 7-8-2 is very narrow; The light that gets into this light entrance slit is radiated on the spill solar panel 10-8 through the reflection of facet mirror 7-8-1 and facet mirror 7-8-2 once more; The major part of luminous energy changes electric energy and heat energy in closed housing, therefore significantly improved luminous energy receiver 1-2-1 photoelectricity and photo-thermal conversion ratio, and the structure of the luminous energy receiver of each Salar light-gathering receiving mechanism, each item size and luminous energy receiving course are identical with luminous energy receiver 1-2-1.
Claims (1)
1. the thermoelectric lighting equipment of the hollow spill closed housing of a parabolic cylinder optically focused lighting solar; Constitute by rectangular box, water tank, cold water pipe, hot-water line, planar transparent cover plate and Salar light-gathering receiving mechanism; Each Salar light-gathering receiving mechanism all is made of a parabolic cylinder reflective mirror and a luminous energy receiver; The luminous energy receiver of each Salar light-gathering receiving mechanism is made of the straight spill solar panel of the long straight hollow heat pipe of spill, block length, long straight semi-cylindrical transparent light guide lid and two block length square planar reflective mirrors; It is characterized in that: the opening of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate; The luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the focal line of parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The spill solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of spill of this luminous energy receiver; The hollow heat pipe of spill of each Salar light-gathering receiving mechanism luminous energy receiver is symmetrically located at the both sides of the plane of symmetry of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The opening direction of the hollow heat pipe of spill of the luminous energy receiver of each Salar light-gathering receiving mechanism is over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; Make the lip-deep spill solar panel that is bonded in the hollow heat pipe of spill reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The focal line of the axis of the semi-cylindrical transparent light guide lid of the luminous energy receiver of each Salar light-gathering receiving mechanism and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps; The focal line of the light entrance slit that forms between the two block length square planar reflective mirrors of the luminous energy receiver of each Salar light-gathering receiving mechanism and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps
When sunshine during perpendicular to the incident of planar transparent cover plate; Can both pass the light entrance slit that forms between the two block length square planar reflective mirrors of this Salar light-gathering receiving mechanism luminous energy receiver behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated on the spill solar panel of each luminous energy receiver; A part that is radiated at the luminous energy on the spill solar panel of each luminous energy receiver converts electric energy into through the spill solar panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of the spill of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of spill and closed housing of two block length square planar reflective mirrors formation because of each luminous energy receiver; And the light entrance slit that forms between the two block length square planar reflective mirrors is very narrow; The light that gets into this light entrance slit is radiated on the hollow heat pipe of spill of each luminous energy receiver through the reflection of two block length square planar reflective mirrors of each luminous energy receiver once more; 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 |
|---|---|---|---|
| CN2010105256302A CN101968273B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device for collecting solar energy by parabolic cylindrical surface-focusing hollow concave closed cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105256302A CN101968273B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device for collecting solar energy by parabolic cylindrical surface-focusing hollow concave closed cavity |
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| Publication Number | Publication Date |
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| CN101968273A CN101968273A (en) | 2011-02-09 |
| CN101968273B true CN101968273B (en) | 2012-06-27 |
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| CN2010105256302A Expired - Fee Related CN101968273B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device for collecting solar energy by parabolic cylindrical surface-focusing hollow concave closed cavity |
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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 |
| US5465708A (en) * | 1993-09-18 | 1995-11-14 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Trough-shaped collector |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | System for utilizing solar step developing heat |
| CN201403058Y (en) * | 2009-04-03 | 2010-02-10 | 方欣怡 | Dual-purpose photo-thermal system of trough solar concentration cell |
| CN101719738A (en) * | 2009-12-22 | 2010-06-02 | 中国科学院长春光学精密机械与物理研究所 | High-efficiency solar concentration photovoltaic system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005076967A (en) * | 2003-08-29 | 2005-03-24 | Sanden Corp | Solar heat collection device |
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2010
- 2010-10-25 CN CN2010105256302A patent/CN101968273B/en not_active Expired - Fee Related
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 |
| US5465708A (en) * | 1993-09-18 | 1995-11-14 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Trough-shaped collector |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | System for utilizing solar step developing heat |
| CN201403058Y (en) * | 2009-04-03 | 2010-02-10 | 方欣怡 | Dual-purpose photo-thermal system of trough solar concentration cell |
| CN101719738A (en) * | 2009-12-22 | 2010-06-02 | 中国科学院长春光学精密机械与物理研究所 | High-efficiency solar concentration photovoltaic system |
Non-Patent Citations (1)
| Title |
|---|
| JP特開2005-76967A 2005.03.24 |
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Granted publication date: 20120627 Termination date: 20131025 |