CN101968269B - Solar thermoelectricity lighting device capable of condensing lights via parabolic cylinder and lighting via semi-circular cylinder close cavity - Google Patents
Solar thermoelectricity lighting device capable of condensing lights via parabolic cylinder and lighting via semi-circular cylinder close cavity Download PDFInfo
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- CN101968269B CN101968269B CN201010524128XA CN201010524128A CN101968269B CN 101968269 B CN101968269 B CN 101968269B CN 201010524128X A CN201010524128X A CN 201010524128XA CN 201010524128 A CN201010524128 A CN 201010524128A CN 101968269 B CN101968269 B CN 101968269B
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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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Abstract
The invention discloses a solar thermoelectricity lighting device capable of condensing lights via a parabolic cylinder and lighting via a semi-circular cylinder close cavity. The solar thermoelectricity lighting device receives solar energy by the light reflecting and focusing function of parabolic cylinders, thus the receiving efficiency of the solar energy can be greatly improved. The solar thermoelectricity light device can be used for realizing the collection and the reception of the solar energy under the environment of hard lights and faint lights.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; The thermoelectric lighting equipment of particularly a kind of parabolic cylinder optically focused semi-cylindrical closed housing 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 made of the straight semi-cylindrical solar panel of the long straight hollow heat pipe of semi-cylindrical, block length, long straight semi-cylindrical transparent light guide lid and two block length square planar reflective mirrors; The semi-cylindrical solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of semi-cylindrical of this luminous energy receiver; The lower end of the hollow heat pipe of semi-cylindrical of each luminous energy receiver communicates with water tank by a cold water pipe; The upper end of the hollow heat pipe of semi-cylindrical of each luminous energy receiver communicates with water tank by a hot-water line
The both sides of the plane of symmetry of the hollow heat pipe of semi-cylindrical that is positioned at this luminous energy receiver 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 of this semi-cylindrical; A long limit of another block length square planar reflective mirror is connected with another straight flange of the hollow heat pipe of this semi-cylindrical; 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 semi-cylindrical and the two block length square planar reflective mirrors of each Salar light-gathering receiving mechanism constitute a closed housing
The semi-cylindrical solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of semi-cylindrical of this luminous energy receiver; The opening of the hollow heat pipe of semi-cylindrical 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 semi-cylindrical solar panel that is bonded in the hollow heat pipe of semi-cylindrical reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; 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; The focal line of the axis of the axis of the hollow heat pipe of semi-cylindrical of the luminous energy receiver of each Salar light-gathering receiving mechanism and semi-cylindrical transparent light guide lid 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 vertical irradiation that forms between the two block length square planar reflective mirrors of this Salar light-gathering receiving mechanism behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism on the semi-cylindrical solar panel of the luminous energy receiver of this Salar light-gathering receiving mechanism; The semi-cylindrical solar panel of a luminous energy part through each luminous energy receiver that is radiated on the semi-cylindrical solar panel of each luminous energy receiver converts electric energy into; Another part of luminous energy converts heat energy into through the hollow heat pipe of the semi-cylindrical of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of semi-cylindrical 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 semi-cylindrical solar panel 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 facet mirror 7-1-1; Facet mirror 7-1-2; The hollow heat pipe 5-1 of semi-cylindrical; Semi-cylindrical solar panel 10-1 and semi-cylindrical transparent light guide lid 6-1 constitute; The hollow heat pipe 5-1 of semi-cylindrical upper end communicates with water tank 8-1 through hot-water line 9-1-1; The hollow heat pipe 5-1 of semi-cylindrical lower end communicates with water tank 8-1 through cold water pipe 9-1-2; Semi-cylindrical solar panel 10-1 close adhesion is on the surface of the hollow heat pipe 5-1 of semi-cylindrical
The both sides of the plane of symmetry that is positioned at the hollow heat pipe 5-1 of semi-cylindrical of facet mirror 7-1-1 and facet mirror 7-1-2 symmetry; Wherein facet mirror 7-1-1 long limit is connected with the straight flange of the hollow heat pipe 5-1 of semi-cylindrical; The long limit of facet mirror 7-1-2 is connected with another straight flange of the hollow heat pipe 5-1 of semi-cylindrical; The two other of facet mirror 7-1-1 and facet mirror 7-1-2 forms the light entrance slit that width is identical between the long limit; Semi-cylindrical transparent light guide lid 6-1 covers on this light entrance slit
The opening of the hollow heat pipe 5-1 of semi-cylindrical is over against the reflective surface of parabolic cylinder reflective mirror 1-1-1; The axis of the axis of the hollow heat pipe 5-1 of semi-cylindrical and semi-cylindrical transparent light guide lid 6-1 and the focal line of parabolic cylinder reflective mirror 1-1-1 overlap; The focal line of light entrance slit that forms between facet mirror 7-1-1 and the facet mirror 7-1-2 and parabolic cylinder reflective mirror 1-1-1 overlaps; Semi-cylindrical transparent light guide lid 6-1; The hollow heat pipe 5-1 of semi-cylindrical; Facet mirror 7-1-1 and facet mirror 7-1-2 constitute a closed housing
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; Incident ray can both pass the light entrance slit vertical irradiation that forms between facet mirror 7-1-1 and the facet mirror 7-1-2 after through the reflect focalization of parabolic cylinder reflective mirror 1-1-1 on semi-cylindrical solar panel 10-1; A part that is radiated at the luminous energy on the semi-cylindrical solar panel 10-1 converts electric energy into through semi-cylindrical solar panel 10-1; Another part converts heat energy into through the hollow heat pipe 5-1 of semi-cylindrical; Because of semi-cylindrical transparent light guide lid 6-1, the hollow heat pipe 5-1 of semi-cylindrical, facet mirror 7-1-1 and facet mirror 7-1-2 constitute a closed housing; And the light entrance slit that forms between facet mirror 7-1-1 and the facet mirror 7-1-2 is very narrow; The light that gets into this light entrance slit is radiated on the semi-cylindrical solar panel 10-1 through the reflection of facet mirror 7-1-1 and facet mirror 7-1-2 once more; The major part of luminous energy changes electric energy and heat energy in closed housing; Therefore significantly improved photoelectricity and the photo-thermal conversion ratio of luminous energy receiver 1-2-1, 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 a parabolic cylinder optically focused semi-cylindrical closed housing 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 semi-cylindrical solar panel of the long straight hollow heat pipe of semi-cylindrical, 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 semi-cylindrical solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of semi-cylindrical of this luminous energy receiver; The opening of the hollow heat pipe of semi-cylindrical 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 semi-cylindrical solar panel that is bonded in the hollow heat pipe of semi-cylindrical reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; 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; The focal line of the axis of the axis of the hollow heat pipe of semi-cylindrical of the luminous energy receiver of each Salar light-gathering receiving mechanism and semi-cylindrical transparent light guide lid 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 vertical irradiation that forms between the two block length square planar reflective mirrors of this Salar light-gathering receiving mechanism behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism on the semi-cylindrical solar panel of the luminous energy receiver of this Salar light-gathering receiving mechanism; The semi-cylindrical solar panel of a luminous energy part through each luminous energy receiver that is radiated on the semi-cylindrical solar panel of each luminous energy receiver converts electric energy into; Another part of luminous energy converts heat energy into through the hollow heat pipe of the semi-cylindrical of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of semi-cylindrical 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 semi-cylindrical solar panel 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 |
|---|---|---|---|
| CN201010524128XA CN101968269B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectricity lighting device capable of condensing lights via parabolic cylinder and lighting via semi-circular cylinder close cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010524128XA CN101968269B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectricity lighting device capable of condensing lights via parabolic cylinder and lighting via semi-circular cylinder close cavity |
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| Publication Number | Publication Date |
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| CN101968269A CN101968269A (en) | 2011-02-09 |
| CN101968269B true CN101968269B (en) | 2012-03-21 |
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| CN201010524128XA Expired - Fee Related CN101968269B (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectricity lighting device capable of condensing lights via parabolic cylinder and lighting via semi-circular cylinder close 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 CN201010524128XA patent/CN101968269B/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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