CN101719741A - Solar photovoltaic and photothermal conversion device - Google Patents
Solar photovoltaic and photothermal conversion device Download PDFInfo
- Publication number
- CN101719741A CN101719741A CN200910253649A CN200910253649A CN101719741A CN 101719741 A CN101719741 A CN 101719741A CN 200910253649 A CN200910253649 A CN 200910253649A CN 200910253649 A CN200910253649 A CN 200910253649A CN 101719741 A CN101719741 A CN 101719741A
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- vacuum
- vacuum tube
- chassis
- tube
- conversion device
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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
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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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- Photovoltaic Devices (AREA)
Abstract
A solar photovoltaic and photothermal conversion device comprises a vacuum tube chassis and a focusing lens. The device is characterized in that funnel type vacuum glass tubes are sealed between the vacuum tube chassis and the focusing lens; a concave heat collector and ring-shaped cooling water jackets are arranged above the vacuum tube chassis from bottom to top; the concave heat collector is communicated with one cooling water jacket through a warm water tube; the focal spot of the focusing lens is in the groove center of the concave heat collector; a feed water tube and a steam tube which are respectively communicated with the other cooling water jacket and the concave heat collector are respectively arranged on the vacuum tube chassis; the lower ends of the feed water tube and the steam tube run through the vacuum tube chassis; ring-shaped photovoltaic cell panels are arranged on the upper surfaces of the cooling water jackets; and the anode and cathode of the photovoltaic cell panels are led out from the walls of the vacuum glass tubes by conductors. The device has the following advantages: the device can achieve the best effects of light condensation and heat collection, realize photovoltaic and photothermal comprehensive utilization, maximize the conversation ratio and improve the solar energy utilization ratio in many ways.
Description
Technical field
The present invention relates to solar power generation, solar energy utilization technique, particularly a kind of solar photoelectric and photothermal conversion device.
Background technology
Solar water heater, solar energy stove etc. are widely used in recent years, but they are low to the utilization ratio of solar energy, develop limited.
Solar energy power generating at present, the solar energy heating technology is the solar energy composite utilization, and wide development space is provided.Known at present: " plastic lens formula solar concentrator " (patent publication No. CN595011A), it adopts: polymethyl methacrylate (PMMA) light-gathering tile is spliced into collector lens.Its optically focused intensity is low, can not show a candle to the effect of vacuum glass." intelligent self-tracing focusing solar machine " (patent publication No. CN101319824), it is to utilize groove focusing mirror sunlight, and photovoltaic battery panel is attached to optically focused post side.The similar solar energy stove of its optically focused intensity, photoelectricity, photo-thermal transformation efficiency can be too not high." solar energy light gathering thermo-electric union system " (patent publication No. CN1975282), it is to utilize groove type paraboloid reflecting plate line focus sunlight principle with sunlight, focuses on the line.Because air flows, the photo-thermal loss is bigger, dynamically is not easy to focus on point-blank; Add endothermic tube, be positioned at the orientation on the sunny side of parabolic panel, produce from the lucifuge phenomenon.Therefore, " line focus " temperature is not as " point focusing " temperature height.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of best light and heat collection effect that reaches, and makes photoelectricity, photo-thermal comprehensive utilization, conversion ratio maximum, many-sided solar photoelectric and photothermal conversion device that improves solar energy utilization ratio.
Technical solution of the present invention is:
A kind of solar photoelectric and photothermal conversion device, comprise vacuum tube chassis and condenser lens, its special character is: be sealed with the funnel type glass tube with vacuum between vacuum tube chassis and condenser lens, above the vacuum tube chassis, be provided with matrix heat collector and ring-like cooling jacket from the bottom to top, described matrix heat collector and cooling jacket communicate by warm water tube, and the focus point of condenser lens is positioned at the groove center of matrix heat collector, on the vacuum tube chassis, be respectively equipped with the upper hose and the steam pipe that communicate with cooling jacket and matrix thermal-collecting tube, upper hose and steam pipe lower end are passed by the vacuum tube chassis, be provided with ring-like photovoltaic battery panel at the cooling jacket upper surface, described photovoltaic battery panel both positive and negative polarity is drawn by the vacuum glass tube wall by lead.
Above-mentioned solar photoelectric and photothermal conversion device is provided with antireflective coating at the condenser lens outer surface, can improve light transmittance.
Above-mentioned solar photoelectric and photothermal conversion device is provided with reflective membrane at the vacuum glass tube outer surface, is used for reflecting surplus light, can the secondary light thermal transition, increase the solar energy utilization ratio.
Above-mentioned solar photoelectric and photothermal conversion device is provided with stiffening frame between condenser lens frame and vacuum tube chassis, improve the fastness of glass tube with vacuum.
Above-mentioned solar photoelectric and photothermal conversion device is provided with heat-insulation layer on exposed surface, vacuum tube chassis.
Above-mentioned solar photoelectric and photothermal conversion device is provided with heat-insulation layer on the exposed surface of steam pipe.
The invention has the beneficial effects as follows:
1, by condenser lens photoelectricity, photo-thermal subregion are transformed, improve photoelectricity, photo-thermal total conversion, stick antireflective coating again the sunlight light transmittance is reached about 95%, thereby improve the solar energy overall utilization.
2, photovoltaic battery panel and heat collector are encapsulated in the vacuum tube, can reduce the heat loss due to radiation and the interference in air flow of air, improve the casting yield of solar energy converting.
3, with on the lens light gathering irradiation photovoltaic battery panel, light stream density strengthens, and can improve generating efficiency, reduces the photovoltaic battery panel consumption simultaneously, saves cost of electricity-generating.
4, the condenser lens focus point focuses in the groove of matrix heat collector that the surface scribbles the selective thermal absorber coatings, just as " black hole " of a heat absorption, and the heat absorption of maximal efficiency, the temperature of heat collector can be brought up to more than 400 ℃.
By being installed in the sunlight double-axis tracking controller of solar photoelectric and photothermal conversion device bottom, can keep condenser lens to aim at the sun at any time when 5, using, improve solar energy stream direct projection density, and then improve solar energy utilization ratio.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an outline drawing of the present invention;
Fig. 3 is an A portion enlarged drawing among Fig. 1;
Fig. 4 be among Fig. 1 B to view;
Fig. 5 is the vertical view of Fig. 1 drop centre type heat collector.
Among the figure: vacuum tube chassis 1, pillar 2, glass tube with vacuum 3, stiffening frame 4, pillar 5, warm water tube 6, binding post 7, antireflective coating 8, condenser lens 9, condenser lens frame 10, photovoltaic battery panel 11, cooling jacket 12, upper hose 13, matrix heat collector 14, steam pipe 15, heat-insulation layer 16, sunlight double-axis tracking controller 17, heat-insulation layer 18, reflective membrane 19.
Embodiment
As shown in the figure, the present invention has a stainless-steel vacuum tube chassis 1 and condenser lens 9, post antireflective coating 8 at condenser lens 9 outer surfaces, between vacuum tube chassis 1 and condenser lens 9, be sealed with funnel type glass tube with vacuum 3, post reflective membrane 19 at glass tube with vacuum 3 outer surfaces, between condenser lens frame 10 and vacuum tube chassis 1, be welded with stiffening frame 4.Above vacuum tube chassis 1, be provided with matrix heat collector 14 and ring-like cooling jacket 12 from the bottom to top, described matrix heat collector 14 and cooling jacket 12 communicate by warm water tube 6, and the focus point of condenser lens 9 is positioned at the groove center of matrix heat collector 14, on vacuum tube chassis 1, be respectively equipped with the upper hose 13 and the steam pipe 15 that communicate with cooling jacket 12 inlets and 14 outlets of matrix heat collector, upper hose 13 and steam pipe 15 are passed by vacuum tube chassis 1, form the thermal output path.Between between vacuum tube chassis 1 and the matrix heat collector 14 and vacuum tube chassis 1 and cooling jacket 12, be respectively equipped with pillar 2,5, be pasted with ring-like photovoltaic battery panel 11 at cooling jacket 12 upper surfaces, described photovoltaic battery panel 11 both positive and negative polarities lead to the binding post 7 that is fixed on glass tube with vacuum 3 outer walls by lead, encapsulation between binding post 7 and the glass tube with vacuum 3.Be respectively equipped with heat- insulation layer 18,16 on vacuum tube chassis 1 and steam pipe 15 exposed surfaces.
During installation, be connected at two connecting plates of 1 center, vacuum tube chassis welding and with sunlight double-axis tracking controller 17.
The photoelectricity flow process: sunlight line focus lens 9 are injected glass tube with vacuum 3, are radiated at photovoltaic battery panel 11 surfaces and produce electric current, output to binding post 7 by lead.
The photo-thermal flow process: sunlight line focus lens 9 focus on the groove center of matrix heat collector 14.Cold water enters cooling jacket 12 through upper hose 13 lowers the temperature photovoltaic battery panel 11 to improve generating efficiency, enters spill heat collector 14 through warm water tube 6 again, exports high-temperature steams to heat storage can through steam pipe 15.
Claims (6)
1. solar photoelectric and photothermal conversion device, comprise vacuum tube chassis and condenser lens, its special character is: be sealed with the funnel type glass tube with vacuum between vacuum tube chassis and condenser lens, above the vacuum tube chassis, be provided with matrix heat collector and ring-like cooling jacket from the bottom to top, described matrix heat collector and cooling jacket communicate by warm water tube, and the focus point of condenser lens is positioned at the groove center of matrix heat collector, on the vacuum tube chassis, be respectively equipped with the upper hose and the steam pipe that communicate with cooling jacket and matrix thermal-collecting tube, described upper hose and steam pipe lower end are passed by the vacuum tube chassis, be provided with ring-like photovoltaic battery panel at the cooling jacket upper surface, described photovoltaic battery panel both positive and negative polarity is drawn by the vacuum glass tube wall by lead.
2. solar photoelectric and photothermal conversion device according to claim 1 is characterized in that: be provided with antireflective coating at the condenser lens outer surface.
3. solar photoelectric and photothermal conversion device according to claim 1 is characterized in that: be provided with reflective membrane at the vacuum glass tube outer surface.
4. solar photoelectric and photothermal conversion device according to claim 1 is characterized in that: be provided with stiffening frame between condenser lens frame and vacuum tube chassis.
5. solar photoelectric and photothermal conversion device according to claim 1 is characterized in that: be provided with heat-insulation layer on exposed surface, vacuum tube chassis.
6. solar photoelectric and photothermal conversion device according to claim 1 is characterized in that: be provided with heat-insulation layer on the exposed surface of steam pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910253649A CN101719741A (en) | 2009-11-30 | 2009-11-30 | Solar photovoltaic and photothermal conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910253649A CN101719741A (en) | 2009-11-30 | 2009-11-30 | Solar photovoltaic and photothermal conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101719741A true CN101719741A (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910253649A Pending CN101719741A (en) | 2009-11-30 | 2009-11-30 | Solar photovoltaic and photothermal conversion device |
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| CN (1) | CN101719741A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315795A (en) * | 2010-07-03 | 2012-01-11 | 谢显春 | Light-condensing type solar generating device component |
| CN102589153A (en) * | 2012-01-13 | 2012-07-18 | 夏致俊 | Solar heating device and solar steam generating system |
| CN103262261A (en) * | 2010-08-30 | 2013-08-21 | 加利福尼亚大学董事会 | Combined heat and power solar system |
| CN103822373A (en) * | 2014-03-14 | 2014-05-28 | 崔长海 | Funneling Fresnel lens focusing solar heat collection device |
| CN106482356A (en) * | 2016-09-14 | 2017-03-08 | 同济大学 | A kind of concentrating solar photo-thermal photoelectricity mixed collection device |
| CN112648750A (en) * | 2020-07-29 | 2021-04-13 | 刘念 | High-efficiency solar energy integration and conversion method |
| CN113137770A (en) * | 2021-04-23 | 2021-07-20 | 新疆大学 | Light-gathering, power-generating and heat-collecting integrated device based on blackbody cavity |
-
2009
- 2009-11-30 CN CN200910253649A patent/CN101719741A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315795A (en) * | 2010-07-03 | 2012-01-11 | 谢显春 | Light-condensing type solar generating device component |
| CN103262261A (en) * | 2010-08-30 | 2013-08-21 | 加利福尼亚大学董事会 | Combined heat and power solar system |
| CN102589153A (en) * | 2012-01-13 | 2012-07-18 | 夏致俊 | Solar heating device and solar steam generating system |
| CN103822373A (en) * | 2014-03-14 | 2014-05-28 | 崔长海 | Funneling Fresnel lens focusing solar heat collection device |
| CN106482356A (en) * | 2016-09-14 | 2017-03-08 | 同济大学 | A kind of concentrating solar photo-thermal photoelectricity mixed collection device |
| CN112648750A (en) * | 2020-07-29 | 2021-04-13 | 刘念 | High-efficiency solar energy integration and conversion method |
| CN113137770A (en) * | 2021-04-23 | 2021-07-20 | 新疆大学 | Light-gathering, power-generating and heat-collecting integrated device based on blackbody cavity |
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Application publication date: 20100602 |