CN102455067A - Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane - Google Patents
Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane Download PDFInfo
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- CN102455067A CN102455067A CN2010105256745A CN201010525674A CN102455067A CN 102455067 A CN102455067 A CN 102455067A CN 2010105256745 A CN2010105256745 A CN 2010105256745A CN 201010525674 A CN201010525674 A CN 201010525674A CN 102455067 A CN102455067 A CN 102455067A
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- plane
- receiving mechanism
- luminous energy
- gathering receiving
- salar light
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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 relates to a solar thermoelectric lighting device by condensing light through a parabolic cylindrical surface and lighting through a closed cavity plane. The device is used for receiving solar energy through the reflective focusing action of the parabolic cylindrical surface. The receiving efficiency of solar energy can be greatly increased. The device can be used for collecting and receiving solar energy under 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 particularly a kind of parabolic cylinder optically focused closed housing plane 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
Embodiments of the invention one: the luminous energy receiver of each Salar light-gathering receiving mechanism all is made of the straight plane solar energy cell panel of the long straight hollow heat pipe of plane flat tube, block length, long straight semi-cylindrical transparent light guide lid and the square facet mirror of two block lengths; The plane solar energy cell panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of the plane of this luminous energy receiver flat tube; The lower end of the hollow heat pipe of plane flat tube of each luminous energy receiver communicates with water tank by 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 by a hot-water line
The both sides of the plane of symmetry of the hollow heat pipe of plane flat tube that is positioned at this luminous energy receiver of two facet mirror symmetries of each luminous energy receiver; Wherein a facet mirror long limit is connected with a long straight flange of the hollow heat pipe of this plane flat tube; A long limit of another piece facet mirror is connected with another long straight flange of the hollow heat pipe of this plane flat tube; The two other of two facet 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; The semi-cylindrical transparent light guide lid of each luminous energy receiver, the hollow heat pipe of plane flat tube and two facet mirrors constitute a closed cavities
The plane solar energy cell panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of the plane of this luminous energy receiver flat tube; The hollow heat pipe of plane flat tube of each Salar light-gathering receiving mechanism luminous energy receiver makes the lip-deep plane solar energy cell panel that is bonded in the hollow heat pipe of the plane flat tube reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The hollow heat pipe of plane flat tube of each Salar light-gathering receiving mechanism is vertical each other 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 each Salar light-gathering receiving mechanism; The focal line of the axis of the semi-cylindrical transparent light guide lid 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 between two facet mirrors 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 two light entrance slits between the facet mirror behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated on the plane solar energy cell panel of each luminous energy receiver; A part that is radiated at the luminous energy on the plane solar energy cell panel of each luminous energy receiver converts electric energy into through the plane solar energy cell panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of plane flat tube of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of plane flat tube 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; Reflection ray on the plane solar energy cell panel is radiated on the plane solar energy cell 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 the overall structure figure of the embodiment of the invention one.
Fig. 3 is the enlarged drawing of the Salar light-gathering receiving mechanism cutaway view of the embodiment of the invention one.
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 5-5 of plane flat tube; Plane solar energy cell panel 10-5; Semi-cylindrical transparent light guide lid 6-5; Facet mirror 7-5-1 and facet mirror 7-5-2 constitute; Plane solar energy cell panel 10-5 close adhesion is on the surface of the hollow heat pipe 5-5 of plane flat tube; The upper end of the hollow heat pipe 5-5 of plane flat tube communicates with water tank 8-1 through hot-water line 9-1-1; The lower end of the hollow heat pipe 5-5 of plane flat tube communicates with water tank 8-1 through cold water pipe 9-1-2
The both sides of the plane of symmetry that is positioned at the hollow heat pipe 5-5 of plane flat tube of facet mirror 7-5-1 and facet mirror 7-5-2 symmetry; The long limit of facet mirror 7-5-1 is connected with the long straight flange of the hollow heat pipe 5-5 of plane flat tube; The long limit of facet mirror 7-5-2 is connected with another long straight flange of the hollow heat pipe 5-5 of plane flat tube; The two other of facet mirror 7-5-1 and facet mirror 7-5-2 forms the light entrance slit that width is identical between the long limit; Semi-cylindrical transparent light guide lid 6-5 covers on this light entrance slit; Semi-cylindrical transparent light guide lid 6-5, the hollow heat pipe 5-5 of plane flat tube, facet mirror 7-5-1 and facet mirror 7-5-2 constitute a closed cavities
Flat tube hollow heat pipe 5-5 in plane is vertical each other with the plane of symmetry of parabolic cylinder reflective mirror 1-1-1; The both sides of the plane of symmetry that is positioned at parabolic cylinder reflective mirror 1-1-1 of the hollow heat pipe 5-5 symmetry of plane flat tube; Flat tube hollow heat pipe 5-5 in plane is between the reflecting surface and focal line of parabolic cylinder reflective mirror 1-1-1; The symmetry axis of semi-cylindrical transparent light guide lid 6-5 and the focal line of parabolic cylinder reflective mirror 1-1-1 overlap; The focal line of light entrance slit between facet mirror 7-5-1 and the facet mirror 7-5-2 and parabolic cylinder reflective mirror 1-1-1 overlaps
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; The light entrance slit that incident ray can both pass between facet mirror 7-5-1 and the facet mirror 7-5-2 after through the reflect focalization of parabolic cylinder reflective mirror 1-1-1 is radiated on the plane solar energy cell panel 10-5; A part that is radiated at the luminous energy on the plane solar energy cell panel 10-5 converts electric energy into through plane solar energy cell panel 10-5; Another part converts heat energy into through the hollow heat pipe 5-5 of plane flat tube; Because of semi-cylindrical transparent light guide lid 6-5, the hollow heat pipe 5-5 of plane flat tube, facet mirror 7-5-1 and facet mirror 7-5-2 constitute a closed cavities; And the light entrance slit that forms between facet mirror 7-5-1 and the facet mirror 7-5-2 is very narrow; The light that gets into this light entrance slit is radiated on the plane solar energy cell panel 10-5 through the reflection of facet mirror 7-5-1 and facet mirror 7-5-2 once more; The major part of luminous energy changes electric energy and heat energy in closed cavities; Thereby significantly having 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 reception process are identical with luminous energy receiver 1-2-1.
Claims (1)
1. thermoelectric lighting equipment of parabolic cylinder optically focused closed housing plane lighting solar; 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 all by a long straight hollow heat pipe of plane flat tube; The plane solar energy cell panel that one block length is straight; A long straight semi-cylindrical transparent light guide is covered and the square facet mirror formation of two block lengths; It is characterized in that: the plane solar energy cell panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of the plane of this luminous energy receiver flat tube; The hollow heat pipe of plane flat tube of each Salar light-gathering receiving mechanism luminous energy receiver makes the lip-deep plane solar energy cell panel that is bonded in the hollow heat pipe of the plane flat tube reflective surface over against the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The hollow heat pipe of plane flat tube of each Salar light-gathering receiving mechanism is vertical each other 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 each Salar light-gathering receiving mechanism; The focal line of the axis of the semi-cylindrical transparent light guide lid 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 between two facet mirrors 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 two light entrance slits between the facet mirror behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated on the plane solar energy cell panel of each luminous energy receiver; A part that is radiated at the luminous energy on the plane solar energy cell panel of each luminous energy receiver converts electric energy into through the plane solar energy cell panel of each luminous energy receiver; Another part of luminous energy converts heat energy into through the hollow heat pipe of plane flat tube of each luminous energy receiver; Semi-cylindrical transparent light guide lid, the hollow heat pipe of plane flat tube 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; Reflection ray on the plane solar energy cell panel is radiated on the plane solar energy cell 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105256745A CN102455067A (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105256745A CN102455067A (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane |
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| CN102455067A true CN102455067A (en) | 2012-05-16 |
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| CN2010105256745A Pending CN102455067A (en) | 2010-10-25 | 2010-10-25 | Solar thermoelectric lighting device by condensing light through parabolic cylindrical surface and lighting through closed cavity plane |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009231315A (en) * | 2008-03-19 | 2009-10-08 | Noritsugu Miyamoto | Solar power generator |
| CN101875937A (en) * | 2010-07-15 | 2010-11-03 | 福建农林大学 | Cloning of tobacco root-specific promoter and application thereof to transgenic plant |
| CN201875937U (en) * | 2010-10-25 | 2011-06-22 | 北京印刷学院 | Solar thermoelectric day-lighting device adopting parabolic-cylindrical planes and light condensing closed cavities for planar day-lighting |
| CN101963399B (en) * | 2010-09-30 | 2012-05-23 | 北京印刷学院 | Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection |
-
2010
- 2010-10-25 CN CN2010105256745A patent/CN102455067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009231315A (en) * | 2008-03-19 | 2009-10-08 | Noritsugu Miyamoto | Solar power generator |
| CN101875937A (en) * | 2010-07-15 | 2010-11-03 | 福建农林大学 | Cloning of tobacco root-specific promoter and application thereof to transgenic plant |
| CN101963399B (en) * | 2010-09-30 | 2012-05-23 | 北京印刷学院 | Solar hot water generating device with secondary reflection disc-shaped closed cavity for light collection |
| CN201875937U (en) * | 2010-10-25 | 2011-06-22 | 北京印刷学院 | Solar thermoelectric day-lighting device adopting parabolic-cylindrical planes and light condensing closed cavities for planar day-lighting |
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Application publication date: 20120516 |