CN102012112B - Parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device - Google Patents
Parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device Download PDFInfo
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- CN102012112B CN102012112B CN201010525639A CN201010525639A CN102012112B CN 102012112 B CN102012112 B CN 102012112B CN 201010525639 A CN201010525639 A CN 201010525639A CN 201010525639 A CN201010525639 A CN 201010525639A CN 102012112 B CN102012112 B CN 102012112B
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- parabolic cylinder
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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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Abstract
The invention provides a parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device. The device receives solar energy by the reflective focusing action of a parabolic cylinder, thus greatly improving solar receiving efficiency and realizing solar collection and receiving under strong light and weak light environment.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; The thermoelectric lighting equipment of the parabolic closed housing lighting solar of particularly a kind of parabolic cylinder optically focused 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 hollow heat pipe of the straight parabolic cylinder of a block length, parabolic cylinder shape solar panel that a block length is straight, long straight semi-cylindrical transparent light guide lid and two block length square planar reflective mirrors; The parabolic cylinder shape solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of parabolic cylinder of this luminous energy receiver; The lower end of the hollow heat pipe of parabolic cylinder of each luminous energy receiver communicates with water tank by a cold water pipe; The upper end of the hollow heat pipe of parabolic cylinder of each luminous energy receiver communicates with water tank by a hot-water line
The opening both sides that are positioned at the hollow heat pipe of this luminous energy receiver parabolic cylinder 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 parabolic cylinder 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 parabolic cylinder 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 parabolic cylinder and the two block length square planar reflective mirrors of each Salar light-gathering receiving mechanism constitute a closed cavities
The parabolic cylinder shape solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of parabolic cylinder of this luminous energy receiver; The focal line of the focal line of the hollow heat pipe of parabolic cylinder of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps; The opening of the hollow heat pipe of parabolic cylinder of each Salar light-gathering receiving mechanism luminous energy receiver makes the lip-deep parabolic cylinder shape solar panel that is bonded in the hollow heat pipe of the parabolic cylinder reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism over against the reflecting surface of 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 each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps; The focal line of the axis of the semi-cylindrical transparent light guide lid of each Salar light-gathering receiving mechanism luminous energy receiver 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 behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism on the parabolic cylinder shape solar panel that the light entrance slit that forms between two facet mirrors is radiated at each luminous energy receiver; A part that is radiated at the luminous energy on the parabolic cylinder shape solar panel of each luminous energy receiver converts electric energy into through the parabolic cylinder shape solar panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of the parabolic cylinder of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of parabolic cylinder and closed cavities of two facet mirrors formations because of each luminous energy receiver; And the light entrance slit that forms between two facet mirrors is very narrow; The light that gets into this light entrance slit is radiated on the parabolic cylinder shape solar panel of each luminous energy receiver through the reflection of two facet mirrors of each luminous energy receiver once more; The major part of luminous energy changes electric energy and heat energy in closed cavities, 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 the hollow heat pipe 5-9 of parabolic cylinder; Parabolic cylinder shape solar panel 10-9; Semi-cylindrical transparent light guide lid 6-9; Rectangular planes reflective mirror 7-9-1 and rectangular planes reflective mirror 7-9-2 constitute; Parabolic cylinder shape solar panel 10-9 close adhesion is on the surface of the hollow heat pipe 5-9 of parabolic cylinder; The lower end of the hollow heat pipe 5-9 of parabolic cylinder communicates with water tank 8-1 through a cold water pipe 9-1-2; The upper end of the hollow heat pipe 5-9 of parabolic cylinder communicates with water tank 8-1 through a hot-water line 9-1-1
The opening both sides that are positioned at the hollow heat pipe 5-9 of parabolic cylinder of rectangular planes reflective mirror 7-9-1 and rectangular planes reflective mirror 7-9-2 symmetry; Wherein rectangular planes reflective mirror 7-9-1 long limit is connected with a straight flange of the hollow heat pipe 5-9 of parabolic cylinder opening part; The long limit of rectangular planes reflective mirror 7-9-2 is connected with another straight flange of the hollow heat pipe 5-9 of parabolic cylinder opening part; The two other of rectangular planes reflective mirror 7-9-1 and rectangular planes reflective mirror 7-9-2 forms the light entrance slit that width is identical between the long limit; Semi-cylindrical transparent light guide lid 6-9 covers on this light entrance slit; Semi-cylindrical transparent light guide lid 6-9, the hollow heat pipe 5-9 of parabolic cylinder, rectangular planes reflective mirror 7-9-1 and rectangular planes reflective mirror 7-9-2 constitute a closed cavities
The focal line of the focal line of the hollow heat pipe 5-9 of parabolic cylinder and parabolic cylinder reflective mirror 1-1-1 overlaps; The opening of the hollow heat pipe 5-9 of parabolic cylinder is over against the reflecting surface of parabolic cylinder reflective mirror 1-1-1; The axis of semi-cylindrical transparent light guide lid 6-9 and the focal line of parabolic cylinder reflective mirror 1-1-1 overlap; Light entrance slit that forms between rectangular planes reflective mirror 7-9-1 and the rectangular planes reflective mirror 7-9-2 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 7-9-1 and the facet mirror 7-9-2 after through the reflect focalization of parabolic cylinder reflective mirror 1-1-1 and be radiated on the parabolic cylinder shape solar panel 10-9; A part that is radiated at the luminous energy on the parabolic cylinder shape solar panel 10-9 converts electric energy into through parabolic cylinder shape solar panel 10-9; Another part of luminous energy converts heat energy into through the hollow heat pipe 5-9 of parabolic cylinder; Because of semi-cylindrical transparent light guide lid 6-9, the hollow heat pipe 5-9 of parabolic cylinder; Facet mirror 7-9-1 and facet mirror 7-9-2 constitute a closed cavities; And the light entrance slit that forms between facet mirror 7-9-1 and the facet mirror 7-9-2 is very narrow; The light that gets into this light entrance slit is radiated on the parabolic cylinder shape solar panel 10-9 through the reflection of facet mirror 7-9-1 and facet mirror 7-9-2 once more; The major part of luminous energy changes electric energy and heat energy in closed cavities, 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 parabolic closed housing lighting solar of a parabolic cylinder optically focused; By rectangular box; Water tank; Cold water pipe; Hot-water line; Planar transparent cover plate and Salar light-gathering receiving mechanism constitute; Each Salar light-gathering receiving mechanism all is made up of a parabolic cylinder reflective mirror and a luminous energy receiver; The luminous energy receiver of each Salar light-gathering receiving mechanism is by the hollow heat pipe of the straight parabolic cylinder of a block length; The parabolic cylinder shape 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; It is characterized in that: the parabolic cylinder shape solar panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of parabolic cylinder of this luminous energy receiver; The focal line of the focal line of the hollow heat pipe of parabolic cylinder 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 opening of the hollow heat pipe of parabolic cylinder of the luminous energy receiver of each Salar light-gathering receiving mechanism is over against the reflecting surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; Make the lip-deep parabolic cylinder shape solar panel that is bonded in the hollow heat pipe of parabolic cylinder 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 semi-cylindrical transparent light guide lid of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps; The opening of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate
When sunshine during perpendicular to the incident of planar transparent cover plate; Can both pass behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism on the parabolic cylinder shape solar panel that the light entrance slit that forms between the two block length square planar reflective mirrors is radiated at each luminous energy receiver; A part that is radiated at the luminous energy on the parabolic cylinder shape solar panel of each luminous energy receiver converts electric energy into through the parabolic cylinder shape solar panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of the parabolic cylinder of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of parabolic cylinder 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 parabolic cylinder shape 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525639A CN102012112B (en) | 2010-10-25 | 2010-10-25 | Parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010525639A CN102012112B (en) | 2010-10-25 | 2010-10-25 | Parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device |
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| CN102012112A CN102012112A (en) | 2011-04-13 |
| CN102012112B true CN102012112B (en) | 2012-09-05 |
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| CN201010525639A Expired - Fee Related CN102012112B (en) | 2010-10-25 | 2010-10-25 | Parabolic cylinder light-gathering parabolic closed cavity daylighting solar thermoelectric daylighting device |
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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 |
| CN1773190A (en) * | 2004-11-12 | 2006-05-17 | 中国科学院电工研究所 | Solar energy thermoelectric co-supply system |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar energy gradient development heat utilization system |
| 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 CN201010525639A patent/CN102012112B/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 |
| CN1773190A (en) * | 2004-11-12 | 2006-05-17 | 中国科学院电工研究所 | Solar energy thermoelectric co-supply system |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar energy gradient development heat utilization system |
| 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: 20120905 Termination date: 20131025 |