CN101795099A - Solar energy generation system - Google Patents
Solar energy generation system Download PDFInfo
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- CN101795099A CN101795099A CN201010134275A CN201010134275A CN101795099A CN 101795099 A CN101795099 A CN 101795099A CN 201010134275 A CN201010134275 A CN 201010134275A CN 201010134275 A CN201010134275 A CN 201010134275A CN 101795099 A CN101795099 A CN 101795099A
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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
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- 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 relates to a high-usage and high-efficiency solar energy generation system which separates visible light from infrared ray based on the reflection and condensation effects of a flat mirror and the solar spectrum frequency division technology and directly realizes the high-usage and high-efficiency conversion from solar energy into electrical energy by using the photovoltaic generation technology and the infrared generation technology. The system comprises a reflection condenser, a light frequency division diplexer, a photovoltaic cell panel and an infrared cell panel, wherein the reflection condenser is used for uniformly reflecting and condensing the full solar spectrum; the light frequency division diplexer is used for high transmitting the visible light of sunlight and high reflecting the infrared spectrum and separating the visible light from the infrared ray in the solar spectrum; the photovoltaic cell panel is used for converting the received visible light into electrical energy; the infrared cell panel is used for directly converting infrared energy into electrical energy; and the photovoltaic cell panel and the infrared cell panel are connected in parallel to supply power to a load. The invention has the characteristics of uniform light energy condensation, high energy utilization efficiency and conversion rate, long generation duration, large generating capacity, easy processing and mass production, lower cost, convenient maintenance and replacement and the like.
Description
Technical field
The present invention relates to field of solar thermal power generation, relate in particular to a kind of solar power system that utilizes solar spectrum visible light and the generating of infrared ray frequency division.
Background technology
The energy of society's use now mainly is thermal power generation, water power and nuclear power.Thermoelectricity needs combustion of fossil fuels, and the fossil fuel reserves are limited, and burning discharges the pollutant that great amount of carbon dioxide and sulfide etc. destroy biological environment; Water resource is limited; Nuclear power may cause fearful accident.Therefore, for human social, people must seek the new alternative energy.Solar energy does not have greenhouse gas emission as the clean energy resource of a kind of " inexhaustible ", does not produce environmental pollution, has good benefits in environment and social effect, and solar energy power generating is 21st century one of optimal new forms of energy.
In solar radiation spectrum, wherein have 40% at visible region, 50% at infrared region, and 10% in the ultra-violet (UV) band.But on the solar energy direct generation of electricity utilized, major part was confined to the solar visible light scope, and the infrared of solar radiation can direct generation of electricity technology fully do not developed.Even in solar energy power generating, great majority adopt the fixing large-area flat-plate photoelectricity transformation mode in orientation.Practice shows that this pattern not only photoelectric conversion rate is low, and generating capacity is poor, and the cost price height, compares with conventional electric energy and lacks competitiveness.All these has greatly limited the extensive development of solar photovoltaic generation system and has popularized.Therefore studying high usage, high efficiency and low-cost solar cell electricity generation system has extremely important realistic meaning and huge economic.
Summary of the invention
The objective of the invention is shortcoming, a kind of solar power system is provided, can make full use of the generating of solar spectrum visible light and infrared ray frequency division at above prior art existence.
A kind of solar power system provided by the invention, technical scheme is: be provided with reflecting condenser, light frequency division duplexing device, photovoltaic battery panel and infrared cell panel; Photovoltaic battery panel is located on the focal axis of reflecting condenser, and infrared cell panel is placed in the bottom of reflecting condenser, and light frequency division duplexing device is between photovoltaic battery panel and the infrared cell panel; The visible light that reflecting condenser converges in the sunlight is transmitted to photovoltaic battery panel through light frequency division duplexing device, and the infrared ray that reflecting condenser converges in the sunlight reflexes to infrared cell panel through light frequency division duplexing device; Photovoltaic battery panel changes into electric energy with visible light, and infrared cell panel can change into electric energy with infrared, and photovoltaic battery panel and infrared cell panel are connected in parallel to provide electric energy to load.
And described smooth frequency division duplexing device adopts the interference capability short-pass to filter and learns film.
And described photovoltaic battery panel adopts bilateral structure, and the interference capability short-pass filters and learns on the one side of film attached to photovoltaic battery panel orientating reflex concentrator.
And, described reflecting condenser by about two and half parabolic cylinder shape completely reflecting mirrors form, each half parabolic cylinder formula shape speculum is to be spliced in proper order by some fully-reflected plane mirrors.
And described fully-reflected plane mirror is the rectangular double-layer glass structure, is provided with the reflector between double glazing, and total reflection silver surface or poly-phthalimide metallized film are adopted in described reflector.
Solar power system provided by the invention has not only utilized the visible luminous energy part of solar energy, has also utilized the infrared energy in the solar energy, and has all directly changed into electric energy, whole system capacity usage ratio height.The present invention also proposes to adopt even reflecting condensation technology, has saved the solar panel usage quantity greatly, has reduced system's cost of electricity-generating.Because infrared can always have nowhere, cooperate under the collection infrared ray at reflecting condenser, infrared cell panel can realize generating electricity round the clock, has overcome the shortcoming that photovoltaic cell has only sunlight to generate electricity.The use of light frequency division duplexing device then can intercept infrared in the solar radiation and can arrive solar panel, has reduced the heat load of battery, makes and can obtain bigger optically focused ratio under identical cooling condition.In a word, the solar power system that utilizes the present invention to propose carries out solar power generation, with respect to simple photovoltaic generation method, and capacity usage ratio height not only, the generating efficiency height, and also generating dutation is long, and power output is big; The system constructing cost is cheap relatively, is easy to produce in batches, has good social effect and huge economic.
Description of drawings
Fig. 1 is the structure chart of the embodiment of the invention.
Fig. 2 is the index path of the embodiment of the invention.
Fig. 3 is the circuit theory diagrams of the embodiment of the invention.
Fig. 4 is the infrared cell elementary cell principle schematic of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
Referring to Fig. 1, system provided by the present invention comprises reflecting condenser, light frequency division duplexing device 9, photovoltaic battery panel 11 and infrared cell panel 10.Because parabola has focus characteristics, the reflecting condenser of embodiment adopts a kind of level crossing combination full-reflection spotlight device, its by about two and half parabolic cylinder shape completely reflecting mirrors form, each half parabolic cylinder formula shape speculum is to be spliced in proper order by some fully-reflected plane mirrors, wherein the half parabolic cylinder formula shape speculum on the right side is made of fully-reflected plane mirror 1,2,3 and 4, and the half parabolic cylinder formula shape speculum on the left side is made of fully- reflected plane mirror 5,6,7 and 8.Be positioned at the photovoltaic battery panel 11 on the reflecting condenser focal axis, the also corresponding left and right sides two halves that are are accepted the sunlight that two sides, the left and right sides half parabolic cylinder formula shape speculum is reflected respectively.Infrared cell panel 10 is placed in the bottom of reflecting condenser, and light frequency division duplexing device 9 is between photovoltaic battery panel 11 and the infrared cell panel 10.After being provided with like this, the visible light that makes reflecting condenser converge in the sunlight is transmitted to photovoltaic battery panel 11 through light frequency division duplexing device 9, and the infrared ray that reflecting condenser converges in the sunlight reflexes to infrared cell panel 10 through light frequency division duplexing device 9.Photovoltaic battery panel 11 changes into electric energy with visible light, and infrared cell panel 10 can change into electric energy with infrared, and photovoltaic battery panel 11 and infrared cell panel 10 are connected in parallel can be jointly for providing electric energy to load.
During concrete enforcement, fully-reflected plane mirror can adopt the rectangular double-layer glass structure, is provided with the reflector between double glazing.The very high total reflection silver surface of reflectivity can be adopted in the reflector, or resistant to elevated temperatures poly-phthalimide metallized film.The size of described fully-reflected plane mirror, number and installation site can determine, and solar light irradiation total stack energy-flux density on light frequency division duplexing device is evenly distributed according to energy output size, solar panel size, required installation site and the angle of reflecting condenser.
Fig. 2 has showed the light path in the system.Fully- reflected plane mirror 1,2,3 and 4 joins end to end successively with certain angle and position along parabolic curve and forms the right side half flute profile minute surface of bending, the i.e. half parabolic cylinder formula shape speculum on the right side continuously.Make each piece fully- reflected plane mirror 1,2,3,4, formed solar image size position, reflection back is all identical, and rayed total stack energy-flux density on light frequency division duplexing device 9 right sides is evenly distributed.In like manner, fully- reflected plane mirror 5,6,7 and 8 joins end to end successively according to certain angle and position and forms a left side half flute profile minute surface of bending, the i.e. half parabolic cylinder formula shape speculum on the left side continuously.Make each piece fully- reflected plane mirror 5,6,7,8, formed solar image size position, reflection back is all identical, and rayed total stack energy-flux density on light frequency division duplexing device 9 left sides is evenly distributed.According to the flat mirror reflects rule, no matter be parallel or the solar radiation of circular cone light beam incident, can not converge on a certain focus after the reflection.And for the flat reflective mirror, energy that every bit reflected on it and direction are all identical, and the energy that is received in dull and stereotyped photovoltaic receives the plane is also all identical.Level crossing combination full-reflection spotlight device therefore provided by the invention, purpose is to realize the high power uniform condensing, solar energy evenly converged be radiated on the solar panel, improve the solar radiation energy-flux density that incides on the photovoltaic cell unit are, increase the cell panel power output, reduce the consumption of expensive photovoltaic cell module, reduce cost of electricity-generating.Compare with traditional paraboloidal reflector, light gathering efficiency Deng bore level crossing combination full-reflection spotlight device is more lower slightly than traditional paraboloidal reflector, but the energy-flux density that the reflection of described level crossing combination full-reflection spotlight device is obtained distributes more even, and greatly reduce reflecting surface difficulty of processing, precision and cost, safeguard and change more convenient and quicker.
Light frequency division duplexing device 9 can adopt existing interference capability short-pass to filter and learn film.This film is got titanium dioxide as high-index material, gets silicon dioxide as low-index material, therefore can while visible light transmissive and reflects infrared light.Because light frequency division duplexing device 9 adopts membrane structure, it directly can be attached on the photovoltaic battery panel 11.During concrete enforcement, photovoltaic battery panel 11 can adopt single-sided structure or bilateral structure, and single face just is meant that the one side of having only the orientating reflex concentrator receives visible light, and the two-sided side towards sky also directly receives visible light.In a word the interference capability short-pass filter to learn film will one side attached to photovoltaic battery panel 11 orientating reflex concentrators on.The efficient of the absorption visible light of bilateral structure is higher, but the battery heat load is higher, can select for use as the case may be during enforcement.
Referring to Fig. 3, the electric energy of photovoltaic battery panel 11 and infrared cell panel 10 outputs can directly be transferred to load after parallel connection, and electric energy more than needed can be stored in the storage battery.Electronic controller can be set in system carry out system's control, for example control reflecting condenser and finish solar tracking, follow the tracks of the battery power output and when output overloading, arrive storage battery etc. by the FEEDBACK CONTROL power storage.According to the function needs, design electronic controller by those skilled in the art and get final product during concrete enforcement.
Photovoltaic battery panel adopts common silicon solar cell plate to get final product.For the purpose of the enforcement reference, the present invention advises adopting a kind of high-effect infrared cell panel cheaply.This infrared cell panel comprises the infrared cell elementary cell, and described infrared cell elementary cell is made of infrared reception antenna, ac/ac power converter and the electrode adjacent with infrared reception antenna; Described infrared reception antenna receives electromagnetic infrared wave, imports ac/ac power converter after the energy of electromagnetic infrared wave is changed into the high-frequency ac electric energy; Ac/ac power converter adopts bridge rectifier to realize, by bridge rectifier electrode is connected with infrared reception antenna; Described ac/ac power converter is imported the high-frequency ac electric energy with infrared reception antenna and is changed into direct current, provides direct current by electrode.When the bigger electric weight of needs, a plurality of infrared cell elementary cells can be set in infrared cell panel, these infrared cell elementary cells get final product by the electrode cascade.
As shown in Figure 4, the infrared cell elementary cell of embodiment is made up of a broadband symmetrical plane reception antenna 10.1 as the infrared ray reception antenna, four rectification MIN diode 10.3 and two electrodes 10.2 that constitute bridge rectifier.Among the embodiment, broadband symmetrical plane reception antenna 10.1 adopts plane, broadband butterfly antenna, and the antenna space physical dimension is decided according to the infrared radiation frequency range of actual environment.Electrode 10.2 adopts the metal band (two electrodes are distributed in both sides respectively) that is arranged in straight line both sides, two distributing point places of infrared reception antenna, and two distributing point places of electrode bearing of trend and infrared reception antenna rectilinear direction is consistent; Between infrared reception antenna and the adjacent electrode white space is arranged, directly be electrically connected and do not influence under the infrared reception antenna electric property condition ensureing that electrode and infrared reception antenna do not have, do extension (side that shows as band in appearance has protrusion) to white space by the used metal band of electrode.The electrode bearing of trend is consistent with the extended line direction of plane, broadband butterfly antenna two distributing point place straight lines, dots this straight line among Fig. 4, because plane, broadband butterfly antenna is a symmetrical structure, this line is a center line of plane, broadband butterfly antenna.The antenna body of infrared reception antenna is identical with electrode material, adopts same conducting metal to get final product; The surface of infrared reception antenna is an insulating barrier.The bridge rectifier constituted mode is, therefore cross-over connection rectification MIN diode 10.3 respectively between the electrode of each distributing point of infrared reception antenna and adjacent both sides is provided with four diodes altogether.
Claims (5)
1. a solar power system is characterized in that: be provided with reflecting condenser, light frequency division duplexing device, photovoltaic battery panel and infrared cell panel; Photovoltaic battery panel is located on the focal axis of reflecting condenser, and infrared cell panel is placed in the bottom of reflecting condenser, and light frequency division duplexing device is between photovoltaic battery panel and the infrared cell panel; The visible light that reflecting condenser converges in the sunlight is transmitted to photovoltaic battery panel through light frequency division duplexing device, and the infrared ray that reflecting condenser converges in the sunlight reflexes to infrared cell panel through light frequency division duplexing device; Photovoltaic battery panel changes into electric energy with visible light, and infrared cell panel can change into electric energy with infrared, and photovoltaic battery panel and infrared cell panel are connected in parallel to provide electric energy to load.
2. solar power system according to claim 1 is characterized in that: described smooth frequency division duplexing device adopts the interference capability short-pass to filter and learns film.
3. solar power system according to claim 2 is characterized in that: described photovoltaic battery panel adopts bilateral structure, and the interference capability short-pass filters and learns on the one side of film attached to photovoltaic battery panel orientating reflex concentrator.
4. according to claim 1 or 2 or 3 described solar power systems, it is characterized in that: described reflecting condenser by about two and half parabolic cylinder shape completely reflecting mirrors form, each half parabolic cylinder formula shape speculum is to be spliced in proper order by some fully-reflected plane mirrors.
5. solar power system according to claim 4 is characterized in that: described fully-reflected plane mirror is the rectangular double-layer glass structure, is provided with the reflector between double glazing, and total reflection silver surface or poly-phthalimide metallized film are adopted in described reflector.
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| CN201010134275A CN101795099A (en) | 2010-03-24 | 2010-03-24 | Solar energy generation system |
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| CN201010134275A CN101795099A (en) | 2010-03-24 | 2010-03-24 | Solar energy generation system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638199A (en) * | 2012-04-26 | 2012-08-15 | 新疆天和聚能光伏科技有限公司 | Solar energy point condensation photovoltaic power generation device |
| CN103095176A (en) * | 2011-10-28 | 2013-05-08 | 武汉凹伟能源科技有限公司 | Concentrator photovoltaic double generation assembly |
| CN103684210A (en) * | 2012-08-30 | 2014-03-26 | 中国科学院上海高等研究院 | Spectral compensation type solar photovoltaic power generation system |
| CN104421788A (en) * | 2013-08-27 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Automobile lamp module |
| CN107634697A (en) * | 2017-10-20 | 2018-01-26 | 中国科学院工程热物理研究所 | A kind of " pyrolysis coupling " photovoltaic heat chemistry utilization system |
| CN108339500A (en) * | 2018-02-05 | 2018-07-31 | 清华大学 | A kind of solar energy urges the cascade utilization device and method of hydrogen manufacturing and photovoltaic generation |
| CN113839211A (en) * | 2021-08-30 | 2021-12-24 | 电子科技大学 | Cassegrain monopulse antenna based on planar array structure |
| CN116232215A (en) * | 2023-05-10 | 2023-06-06 | 中国科学院过程工程研究所 | Photovoltaic power generation device and method |
| CN116961565A (en) * | 2023-07-26 | 2023-10-27 | 上海交通大学 | Device and method for regulating sunlight utilization rate |
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| CN101388625A (en) * | 2007-09-10 | 2009-03-18 | 上海华达运新能源科技有限公司 | Solar concentration electricity generating apparatus |
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Patent Citations (3)
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| CN100448033C (en) * | 2006-07-07 | 2008-12-31 | 杨永清 | Solar compound film battery |
| CN101388625A (en) * | 2007-09-10 | 2009-03-18 | 上海华达运新能源科技有限公司 | Solar concentration electricity generating apparatus |
| US20090293937A1 (en) * | 2008-05-28 | 2009-12-03 | Astrium Gmbh | Device for the indirect frequency-selective illumination of solar cells |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095176A (en) * | 2011-10-28 | 2013-05-08 | 武汉凹伟能源科技有限公司 | Concentrator photovoltaic double generation assembly |
| CN102638199A (en) * | 2012-04-26 | 2012-08-15 | 新疆天和聚能光伏科技有限公司 | Solar energy point condensation photovoltaic power generation device |
| CN102638199B (en) * | 2012-04-26 | 2015-02-18 | 新疆熠金能源科技有限公司 | Solar energy point condensation photovoltaic power generation device |
| CN103684210A (en) * | 2012-08-30 | 2014-03-26 | 中国科学院上海高等研究院 | Spectral compensation type solar photovoltaic power generation system |
| CN103684210B (en) * | 2012-08-30 | 2015-09-16 | 中国科学院上海高等研究院 | Spectral compensation type solar photovoltaic generation system |
| CN104421788A (en) * | 2013-08-27 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Automobile lamp module |
| CN107634697A (en) * | 2017-10-20 | 2018-01-26 | 中国科学院工程热物理研究所 | A kind of " pyrolysis coupling " photovoltaic heat chemistry utilization system |
| CN108339500A (en) * | 2018-02-05 | 2018-07-31 | 清华大学 | A kind of solar energy urges the cascade utilization device and method of hydrogen manufacturing and photovoltaic generation |
| CN113839211A (en) * | 2021-08-30 | 2021-12-24 | 电子科技大学 | Cassegrain monopulse antenna based on planar array structure |
| CN116232215A (en) * | 2023-05-10 | 2023-06-06 | 中国科学院过程工程研究所 | Photovoltaic power generation device and method |
| CN116232215B (en) * | 2023-05-10 | 2023-09-05 | 中国科学院过程工程研究所 | Photovoltaic power generation device and method |
| US12095414B1 (en) | 2023-05-10 | 2024-09-17 | Institute Of Process Engineering, Chinese Academy Of Sciences | Device for photovoltaic power generation and method therefor |
| CN116961565A (en) * | 2023-07-26 | 2023-10-27 | 上海交通大学 | Device and method for regulating sunlight utilization rate |
| CN116961565B (en) * | 2023-07-26 | 2024-05-07 | 上海交通大学 | Device and method for regulating sunlight utilization rate |
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Application publication date: 20100804 |