CN2882107Y - Reflection collecting photovoltaic generator - Google Patents
Reflection collecting photovoltaic generator Download PDFInfo
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- CN2882107Y CN2882107Y CNU2006200538744U CN200620053874U CN2882107Y CN 2882107 Y CN2882107 Y CN 2882107Y CN U2006200538744 U CNU2006200538744 U CN U2006200538744U CN 200620053874 U CN200620053874 U CN 200620053874U CN 2882107 Y CN2882107 Y CN 2882107Y
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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 utility model discloses a fully-reflecting light condensation photovoltaic power generator, which mainly comprises a plurality of plane mirrors mounted on the bottom of a steel frame. At top of the steel frame, a row of solar battery components are mounted. On the steel frame, a set of sensors for tracking automatically sun rays and an electric controlling system are mounted. By tracking automatically sun rays through the sensors, signals are sent to the sun-ray controlling system, the controlling and driving mechanism of which drives the steel frame to rotate, so that the sunrays are always vertical to the plane of the battery board. The plane mirrors at bottom of the steel frame constitute an angle with the solar battery components at top of the steel frame, the angle enables the sunrays illuminated on the plane mirrors to be reflected onto the solar battery components to generate power. The utility model is of simple structure, low manufacturing cost, high light-condensing power, can be in a big or small scale, is of high steadiness, can obtain several times of sunrays to illuminate the solar battery components through ordinary plane mirrors, so that the solar battery components in a unit area can generate more electric power, and the performance to price ratio of the solar photovoltaic generation is improved.
Description
Technical field
The utility model belongs to technical field of solar utilization technique, relates to a kind of photovoltaic power generation apparatus, is meant a kind of full-reflection spotlight photovoltaic power generation apparatus especially.
Background technology
Photovoltaic generating system entered the space and used the sixties, had entered Ground Application the seventies, and the later stage nineties, the situation that supply falls short of demand appearred in world market to the beginning of this century, develop rapider, with the speed develop rapidly of about 30%-40% every year on average.We can say that solar photovoltaic technology and photovoltaic industry soar, the prediction output of 10 years solar modules from now on will will reach 18GW to total installation of generating capacity in 2010 with every year 30% even higher increasing velocity development.The application of photovoltaic generating system has at present entered departments such as industry, commerce, agricultural, communication, household electrical appliance and public utility from special application fields such as military affairs, space flight.According to scholarly forecast, to the middle of this century, solar energy power generating will reach the 15%-20% of world's gross generation, become one of human basic energy resource.
In the evolution of photovoltaic generation, use cost is too high to be its key factor of applying rapidly of restriction always.One of its major reason is: the semi-conducting material that is used to produce solar cell costs an arm and a leg, and consumption is big, and causing with the solar cell is that the cost of the photovoltaic generating system of core is difficult to reduce significantly.The scientists of countries in the world is being attempted the method by tracing collection always, increase the solar light irradiation intensity that solar cell is accepted, make the semi-conducting material of same quantity produce more electric energy, and the price of the tracing collection parts that increase is far below the semi-conducting material price of being saved, thereby reduces the cost of photovoltaic generating system significantly.
Research from the light gathering photovoltaic power generating system of the motion tracking sun has caused the extensive attention of countries in the world, has become one of research focus of solar utilization technique.According to the concentrator difference of using, light gathering photovoltaic power generating system can be divided into point focusing (being typically Fresnel Lenses), line focus (being typically parabola reflection groove and line focus Fresnel Lenses), face focusing etc., has occurred the application system of ogive focusing Fresnel Lenses in recent years again.Main tracking mode: clock type or mechanical type follow the tracks of, use the sunlight transducer to realize the realization precision tracking that combines of precision tracking, computer technology and transducer from motion tracking, the technology that uses a computer control.According to the height of light concentrating times, generally can be divided into low power and high power condense photovoltaic electrification system.The researchs of state in this field such as the U.S., Spain, Australia, Russia have reached higher level.
In recent years, the record of the unijunction of high efficiency, high performance-price ratio or multijunction solar cell was broken again and again; Parabola slot type reflecting condenser, dish formula reflecting condenser, line focus or point focusing Fresnel Lenses concentrator, multi-form glass lens concentrator expose one after another; Various single shafts such as transducer control, clock control, computer control, liquid control or double-shaft auto-tracking control circuit are hard to tell which is better; It is on a par that air-cooled, water-cooled etc. led passive heat dissipation ... believe that various new technologies, new tool also can continue to bring out.Various technology are let a hundred schools contend, and the survival of the fittest it is hard to tell that the sort of technology representing new development trend, but this prelude of tracking light focusing photovoltaic electricity generation system industrialization just perhaps.Yet no matter how these technological means change, and improving the ratio of performance to price and reliability, practicality is common development trend all the time, and can be accepted by market be final test stone.
Domesticly differ greatly for the research level of this project and external advanced level, mostly because have technological deficiency, cost an arm and a leg, reliability is low and be difficult to popularize and promote, and rests on laboratory or trial production stage all the time, the scale of all being unrealized is used.
At present, what be applied mainly is fixed installation, the regular solar photovoltaic generating system of optically focused not, and its cost is still very high.Though occur some light gathering photovoltaic power generating systems on the market,, make its cost performance not high because of having light concentrating times low (below 2 times) or adopting parabolic mirror cost height.
The utility model content
The purpose of this utility model is to provide a kind of low cost of manufacture, light concentrating times height, full-reflection spotlight photovoltaic power generation apparatus that scale is changeable, that stability is high.
In order to reach above-mentioned purpose, solution of the present utility model is:
The full-reflection spotlight photovoltaic power generation apparatus, mainly be installed in the bottom of a steelframe by the several piece level crossing, row's solar module is installed at the steelframe top, transducer and the electric-control system of one cover from the motion tracking sunray is installed on the steelframe, transmit signals to the sunray electric-control system by transducer from the motion tracking sunray, and by the rotation of electric control system controls driving mechanism drive steelframe, make the sunray plane of vertical cell panel all the time, the level crossing of steelframe bottom and the solar module angulation at steelframe top, this angle reflexes on the solar module light that shines level crossing and generates electricity.
The sensor is fixed on the steelframe, along with steelframe rotates, the sensor acquisition sunray, and signal passed to electric-control system, electric-control system mainly is made up of clock control and sensing control, the driving mechanism of electric control system controls steelframe, make steelframe and on solar cell panel assembly from the motion tracking sunray, guarantee that sunray is all the time on the plane of vertical cell panel.
Above-mentioned driving mechanism mainly is made up of motor and decelerator, bearing pedestal, power transmission shaft, electric-control system is accepted the tracking signal control machine operation of transducer, driving power transmission shaft by motor by decelerator rotates, drive steelframe and on solar cell panel assembly follow the tracks of sunray and rotate, make sunray all the time on the plane of vertical cell panel.
Set anti-strong wind protective device in the above-mentioned full-reflection spotlight photovoltaic power generation apparatus, at strong wind weather (strong wind more than 8 grades), system can drive protective device, guarantees machine safety.Anti-strong wind protective device is specially the fixed mount with draw-in groove, and this draw-in groove is fastened on the steelframe, makes steelframe locate and not turn.
Above-mentioned solar module is made up of the end to end solar panel arrangements of a row.
Above-mentioned level crossing is corresponding with solar module, all leaves the slit that wind is passed between adjacent plane mirror and the adjacent solar battery plate, to have the wind resistance effect.
After adopting said structure, the utility model is compared with prior art simple in structure, low cost of manufacture, scale is changeable, stability is high, obtains the several times solar irradiation by the common planar mirror and is mapped on the solar module, light concentrating times height (3～7 times), thereby make the solar module of unit are send more electric energy, improve the cost performance of solar energy power generating.
Description of drawings
Fig. 1 is an assembly structure figure in the utility model;
Fig. 1-the 1st, the end view of Fig. 1;
Fig. 2 is the embodiment schematic diagram that the utlity model has two level crossings;
Fig. 3 is the embodiment schematic diagram that the utlity model has four level crossings;
Fig. 4 is the embodiment schematic diagram that the utlity model has six level crossings;
Fig. 5 is the embodiment schematic diagram that the utlity model has eight level crossings.
Embodiment
See also shown in Fig. 1, the 1-1 full-reflection spotlight photovoltaic power generation apparatus of the present utility model, the main bottom that is installed in a steelframe 2 by several piece level crossing 1.
Transducer 4 and the electric-control system (not shown) of one cover from the motion tracking sunray is installed on the steelframe 2.Described transducer 4 and electric-control system are that prior art applies in the utility model, do not state so its structure is not run business into particular one, and transducer 4 is to be fixed on the steelframe 2, be along with steelframe 2 rotates, from the motion tracking sunray, gather sunray by transducer 4, and signal is passed to electric-control system.Electric-control system mainly is made up of clock control and sensing control, 5 work of electric control system controls driving mechanism.Driving mechanism 5 belongs to prior art, its concrete structure has multiple, driving mechanism shown in this paper 5 mainly is made up of motor 51 and decelerator 52, bearing pedestal 54, power transmission shaft 53, electric-control system is accepted tracking signal control motor 51 work of transducer 4, driving power transmission shaft 53 by motor 51 by decelerator 52 rotates, drive steelframe 2 and rotate, make solar cell panel assembly 3 on it, guarantee that sunray is all the time on the plane of vertical cell panel from the motion tracking sunray.
Cooperate shown in Fig. 2-5, the level crossing 1 of steelframe 2 bottoms has a certain degree with solar module 3 (the being cell panel) shape at steelframe 2 tops, and this angle makes the light that shines level crossing 1 reflex to generating on the solar module 3.
For windproof, wind resistance, the installment work of assurance device, the utility model can also set anti-strong wind protective device 6, and at strong wind weather (strong wind more than 8 grades), system can drive protective device 6, guarantees machine safety.Anti-strong wind protective device 6 various ways specifically also arranged, this paper is depicted as the fixed mount with draw-in groove 61, this draw-in groove 61 is fastened on the steelframe 2, makes steelframe 2 location and rotatable.In addition, level crossing 1 is corresponding with solar module 3, all leaves the slit that wind is passed between the adjacent plane mirror 1, all leaves the slit that wind is passed between the adjacent solar battery plate, to have the wind resistance effect.
Fig. 2-5 is the schematic diagram with concentrating photovoltaic power generation device of varying number level crossing 1.
When the utility model was implemented, the piece number of level crossing 1 was the maximum radiant intensity Q according to the local sun
1, the radiation intensity Q of selected solar photovoltaic cell panel
2And dimension width b, by Q
2/ Q
1=i draws adoptable optically focused than i, than round numbers, can determine that the sheet of level crossing 1 is counted N=[i by optically focused] (optically focused is than i round numbers).Sheet according to level crossing 1 is counted N, estimates the width of steelframe 2 bottoms, chooses the height h of cell panel and steelframe 2 bottom lands.
In conjunction with shown in Figure 3,, determine the relative position of level crossing 1 and solar panel by graphing method according to the reflexive property of light at level crossing 1:
Solar panel width b=AB, the height h=AC of cell panel and steelframe 2 bottom lands, because the light of vertical solar panel is blocked by cell panel, begin to place level crossing 1 from the C point, the reflection ray that C is ordered on level crossing 1 should project cell panel B place, according to light at level crossing 1 reflexive property, incidence point C by incident ray AC, reflection ray CB and level crossing 1, can determine the placement angle ∠ JCD of level crossing 1, make AD//BC, just can obtain the width C D of level crossing 1.In order to reduce wind area, leave the slit DE that leaks out between second level crossing EF and first level crossing CD, in like manner, can try to achieve the position of second level crossing EF, can try to achieve the position of the 3rd level crossing PR and the 4th level crossing TS by symmetric relation.
Resulting optically focused is than the ÷ AB of i=2 * (JC+GE).
The utility model is simple in structure, and is easy to maintenance, and scale is changeable, uses optically focused, tracking technique reduction photovoltaic generating system cost.Compared many advantages with the fixed solar photovoltaic generation system of popularizing now, few as the semi-conducting material consumption, photoelectric conversion efficiency is high.Solar cell is the critical component in the photovoltaic generating system always, is the decisive factor of the ratio of performance to price.If use common photovoltaic generating system, obtain more electric energy and just must use more solar cell.And under the situation of using same quantity semi-conducting material, adopt technology such as optically focused, tracking can obtain the electric energy of several times than normal optical photovoltaic generating system, be equivalent to replace expensive semi-conducting material, make the area that obtains the employed solar cell of same electric energy reduce several times with common material.This device as configuration discharge and recharge control and inverter, electrical storage device just can be powered, and are not subjected to region limits.
Claims (7)
1, the full-reflection spotlight photovoltaic power generation apparatus, it is characterized in that: the bottom that mainly is installed in a steelframe by the several piece level crossing, row's solar module is installed at the steelframe top, transducer and the electric-control system of one cover from the motion tracking sunray is installed on the steelframe, transmit signals to the sunray electric-control system by transducer from the motion tracking sunray, and by the rotation of electric control system controls driving mechanism drive steelframe, make the sunray plane of vertical cell panel all the time, the level crossing of steelframe bottom and the solar module angulation at steelframe top, this angle reflexes on the solar module light that shines level crossing and generates electricity.
2, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that: transducer is fixed on the steelframe, the sensor acquisition sunray, and signal passed to electric-control system, electric-control system mainly is made up of clock control and sensing control, the driving mechanism of electric control system controls steelframe, drive steelframe and on solar cell panel assembly from the motion tracking sunray, make sunray all the time on the plane of vertical cell panel.
3, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that: driving mechanism mainly is made up of motor and decelerator, bearing pedestal, power transmission shaft, electric-control system is accepted the tracking signal control machine operation of transducer, driving power transmission shaft by motor by decelerator rotates, drive steelframe and on solar cell panel assembly follow the tracks of sunray and rotate, make sunray all the time on the plane of vertical cell panel.
4, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 1 is characterized in that: also set anti-strong wind protective device in the whole device.
5, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 4 is characterized in that: anti-strong wind protective device is the fixed mount with draw-in groove, and this draw-in groove is fastened on the steelframe, makes the steelframe location.
6, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 1 is characterized in that: solar module is made up of the end to end solar panel arrangements of a row.
7, full-reflection spotlight photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that: level crossing is corresponding with solar module, all leaves the slit that wind is passed between adjacent plane mirror and the adjacent solar battery plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200538744U CN2882107Y (en) | 2006-01-12 | 2006-01-12 | Reflection collecting photovoltaic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200538744U CN2882107Y (en) | 2006-01-12 | 2006-01-12 | Reflection collecting photovoltaic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2882107Y true CN2882107Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200538744U Expired - Fee Related CN2882107Y (en) | 2006-01-12 | 2006-01-12 | Reflection collecting photovoltaic generator |
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| Country | Link |
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| CN (1) | CN2882107Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694541B (en) * | 2009-08-13 | 2011-07-27 | 中国科学院苏州纳米技术与纳米仿生研究所 | Curved-top total reflection type twice concentration and illumination balancing integration device |
| CN102725595A (en) * | 2009-12-17 | 2012-10-10 | 欧瑞康太阳股份公司(特吕巴赫) | Mounting interface for a photovoltaic module |
| CN106130482A (en) * | 2016-08-01 | 2016-11-16 | 江苏大学 | A kind of photovoltaic module is super accelerates thermal cycling ageing assay device |
| CN114527558A (en) * | 2022-02-14 | 2022-05-24 | 华北电力大学 | Sphere-like reflection condenser considering sun field angle |
-
2006
- 2006-01-12 CN CNU2006200538744U patent/CN2882107Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694541B (en) * | 2009-08-13 | 2011-07-27 | 中国科学院苏州纳米技术与纳米仿生研究所 | Curved-top total reflection type twice concentration and illumination balancing integration device |
| CN102725595A (en) * | 2009-12-17 | 2012-10-10 | 欧瑞康太阳股份公司(特吕巴赫) | Mounting interface for a photovoltaic module |
| CN102725595B (en) * | 2009-12-17 | 2014-06-18 | 东电电子太阳能股份公司 | Mounting interface for a photovoltaic module |
| CN106130482A (en) * | 2016-08-01 | 2016-11-16 | 江苏大学 | A kind of photovoltaic module is super accelerates thermal cycling ageing assay device |
| CN106130482B (en) * | 2016-08-01 | 2018-01-16 | 江苏大学 | A kind of photovoltaic module is super to accelerate thermal cycling ageing experimental rig |
| CN114527558A (en) * | 2022-02-14 | 2022-05-24 | 华北电力大学 | Sphere-like reflection condenser considering sun field angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20110112 |