CN102236355A - Mirror plane amplification and reflection type intelligent global sun tracking system for thin film solar cell - Google Patents
Mirror plane amplification and reflection type intelligent global sun tracking system for thin film solar cell Download PDFInfo
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- CN102236355A CN102236355A CN2010101748399A CN201010174839A CN102236355A CN 102236355 A CN102236355 A CN 102236355A CN 2010101748399 A CN2010101748399 A CN 2010101748399A CN 201010174839 A CN201010174839 A CN 201010174839A CN 102236355 A CN102236355 A CN 102236355A
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- sun
- tracking system
- sun tracking
- collecting device
- light collecting
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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
Abstract
The invention discloses a mirror plane amplification and reflection type intelligent global sun tracking system for a thin film solar cell, and the system provided by the invention comprises a solar module, a light acquisition device and a sun tracking system, wherein the light acquisition device comprises a reflection type lens with a focal point; the solar module is loaded near the focal point of the light acquisition device; and the sun tracking system can analyze the position of the sun and controls the movement or rotation of the light acquisition device. The mirror plane amplification and reflection type intelligent global sun tracking system for the thin film solar cell disclosed by the embodiment of the invention can track the position of the sun and makes an instant response of adjusting the light acquisition device to be dead against the sun, thus the mirror plane amplification and reflection type intelligent global sun tracking system disclosed by the invention can track the position of the sun at any time and any place and the solar energy can be utilized more effectively.
Description
Technical field
The present invention relates to a kind of solar cell, relate in particular to a kind of minute surface that is used for thin-film solar cells and amplify the global sun tracking system of reflective intelligence.
Background technology
Along with rapid economy development, improving constantly of quality of the life, human also more and more serious for the demand of the energy, but along with the content of oil is fewer and feweri, the oil price of oil is also more and more higher, so present various countries are exploitation of input funds and research green energy resource one after another, and sun power is exactly one of substitute energy at present main and also under development.Sun power promptly is that solar interior is constantly examined the energy that drastic change produces, although solar radiation only is 1/2200000000th of total solar radiation amount to the energy of earth atmosphere, but, that is to say that the energy that the sun shines the earth p.s. is equivalent to 5,000,000 tons of coals, therefore up to 173000TW, sun power is inexhaustible, nexhaustible, freely take, need not transportation, again environment not being polluted, is splendid substitute energy.
In the development of solar cell, wherein belonging to thin-film type solar cell again grows up the quickest, thin-film solar cells can be used at cheap glass, plastic cement, pottery, graphite, different materials such as sheet metal are worked as substrate and are made, the film thickness that formation can produce electric energy only needs several microns (μ m), therefore under same light-receiving area, can significantly reduce the consumption (thickness can be lower than silicon wafer solar cells more than 90%) of raw material than silicon wafer solar cells, the hull cell solar cell is except the plane, also can be made into the on-plane surface structure because have pliability, can combine or become the some of building body with buildings, on thin film solar cell is made, then can use deposition miscellaneous (deposition) technology, layer upon layer ground gets on p-type or n-section bar material length, the material that common thin film solar cell mainly uses includes amorphous silicon (amorphous silicon), microcrystal silicon (Microcrystalline Silicon), copper indium diselenide (CuInSe2, CIS), Copper Indium Gallium Selenide (CuInGaSe2, CIGS) and cadmium telluride (CdTe) etc.
It is still not high with the conversion efficiency that sunshine converts electric energy to see through a solar cell at present, the conversion efficiency of thin-film type solar cell is greatly between 5%～15%, and sunshine can change irradiating angle along with the difference of time again, also very big influence can be arranged to the luminescence efficiency of solar cell, so in order to utilize sunshine more efficiently, can use angle that a sun tracking system makes solar panels and move along with the sun and change, can both make sunshine vertical incidence solar panels whenever.
Simultaneously, a recycling light collection system focuses on large-area sunray on one solar panels, by this can not need use large-area solar panels also can collect very large-area sunray, therefore can reduce cost.Therefore, the present invention proposes a kind of minute surface that is used for thin-film solar cells and amplifies the global sun tracking system of reflective intelligence.
Summary of the invention
The present invention proposes a kind of minute surface that is used for thin-film solar cells and amplifies the global sun tracking system of reflective intelligence, comprising: a solar energy module; One light collecting device comprises the reflective eyeglass with a focus, and this solar energy module is carried near the focus of this light collecting device; One sun tracking system, this sun tracking system can analyze the position of the sun, and controls moving or rotation of this light collecting device.
The minute surface that is used for thin-film solar cells of the embodiment of the invention amplifies the global sun tracking system of reflective intelligence, the position of the traceable sun, and do instant reaction and adjust light collecting device over against the sun, therefore whenever, where, the position of all traceable sun of the present invention, and utilize sun power more efficiently.
Description of drawings
Fig. 1 is a calcspar of sun tracking system of the present invention;
Fig. 2 is the synoptic diagram that reflective eyeglass is collected sunshine;
Fig. 3 is this sun tracking system calcspar according to an embodiment of the invention;
Fig. 4 is synoptic diagram according to an embodiment of the invention.
Drawing reference numeral:
100 minute surfaces amplify the global sun tracking system of reflective intelligence
10 solar energy modules
12 thin-film solar cells
20 light collecting devices
22 reflective eyeglasses
24 light
26 focuses
30 sun tracking systems
32 photodetectors
34 computers
36 drive units
38 supports
41 sun
42 light
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the embodiment of the invention is described in further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Please refer to Fig. 1, the present invention proposes a kind of minute surface that is used for thin-film solar cells and amplifies the global sun tracking system 100 of reflective intelligence, and this system 100 mainly is made up of a solar energy module 10, one light collecting devices 20, one sun tracking systems 30.
Has a thin-film solar cells 12 in this solar energy module 10, the thickness of this thin-film solar cells 12 is less than 200 microns, generally be referred to as thin-film solar cells less than 200 microns solar chips, the purposes of this solar energy module 10 is mainly used to absorb sunshine and converts sunshine to electric energy.
Knowing present technique field person should understand, here the thin-film solar cells of being mentioned can be used amorphous silicon (amorphous silicon), microcrystal silicon (Microcrystalline Silicon), copper indium diselenide (CuInSe2, CIS), Copper Indium Gallium Selenide (CuInGaSe2, CIGS) and cadmium telluride materials such as (CdTe) constitute, in addition this solar cell can use glass, metal, one of them basalis such as plastic cement as material, and comprise tin indium oxide (ITO), zinc paste (ZnO), tin ash (SnO2) waits one of them conductive euphotic zone as material, also can comprise a metal level in addition, many strip metals lead etc., here layers of not mentioning also may be included in this thin-film solar cells neither disengaging spirit of the present invention and category.
Equally, knowing present technique field person should understand, here the solar energy module of being mentioned is to utilize this thin-film solar cells made, therefore solar energy module can comprise as encapsulating material, members such as lens, the shape of solar energy module is the thin slice rectangle in general, but also might be other shapes, not limited by accompanying drawing or narration in this instructions.
This light collecting device 20 is made of a reflective eyeglass 22, and this reflective eyeglass 22 can be whole integrally formed eyeglass in general, also can be by a plurality of small eyeglasses, or use Fresnel eyeglass (Fresnellens) to constitute; Please refer to that this reflective eyeglass 22 of Fig. 2 can reflex to a focus 26 with light 24 and the effect that reaches light harvesting; It should be noted that this focus 26 is tiny area areas compared to this reflective eyeglass, and should not be regarded as a minimum point, this light collecting device 20 is circular arc type or pyramid in general, but also other shapes.Aforementioned this solar energy module 10 is set near the focus of this light collecting device 20, therefore after the larger area incident ray is focused on by this light collecting device 20, can inject this solar energy module, but the area that makes this this solar energy module of solar energy module absorptance is also wanted the light of big area.
This sun tracking system 30 can analyze or in advance record solar in each angle and position constantly, this sun tracking system 30 can be controlled these light collecting device 20 rotations or move then, angle or the position of adjusting this light collecting device 20 make it collect maximum light as far as possible, therefore also can make this solar energy module utilize sunshine more efficiently.
According to an embodiment of the present, please refer to Fig. 3, this sun tracking system 30 comprises a plurality of photodetector 32, one computers 34, one drive units 36, and a support 38.These photodetectors 32 can be used to detect sunshine, photodetector can be an optical diode, a plurality of photodetectors 32 can be put on several different positions, these photodetectors 32 can detect the information that sunshine is injected photodetector 32, and produce a signal, this signal can be by voltage, mode such as electric current or heat presents, by these photodetector 32 amounts to signal can be sent to a computer 34, this computer can be analyzed the signal that these photodetectors 32 are measured, and calculate the present angle of the sun, then this computer can be controlled a drive unit 36, the automated machine that this drive unit 36 can be understood and be designed for the person that knows the mechanical field, common mode can be by gear set, motor, mechanism, pulleys etc. constitute, this drive unit 36 is mainly used to drive the rotation of a support 38 or move, this support 38 can be taken advantage of and carry above-mentioned light collecting device 20, therefore, the rotation of this support or mobile, angle and position that also can this light collecting device 20 of related change, and then reach this light collecting device 20 of control and can collect light in any one specific moment in the mode of maximum light collection efficiency.
Know computer technology field person and should be appreciated that this computer 34 can comprise a processor, for example a CPU (central processing unit) (CPU), a Graphics Processing Unit (GPU) or both.This processor can be an element in the different system.For example, this processor can be the part of a standard personal computer or workstation.This processor can be the integrated circuit of one or more general purpose processors, digital signal processor, application-specific, regional programmable lock channel array, server, network, digital circuit, mimic channel or its combination, and other are known in the art or can develop in the future and analyze and the device of deal with data.This processor can be carried out a software program, for example manually produces the procedure code of (through program).
Moreover this computer 34 can comprise a storer, and it can carry out communication through a bus.This storer can be a primary memory, static memory or dynamic storage.This storer can comprise, but being not limited to is the Storage Media that computer-readable is got, for example dissimilar easy mistakes or non volatile storage medium, comprising but being not limited to is ROM (read-only memory), programmable read only memory, electrically programmable read only memory, electronics erasable read-only memory, flash memory, tape or disk, optical media etc.
This storer can be an outside storage device or in order to the database of storage data.This embodiment comprises a hard disk, CD, DVD, storage card, memory feature, software machine, USB memory storage or other can operate the device of storage data.This storer can functionally store the performed instruction of this processor.
This computer 34 can further comprise a display device, for example LCD LCD, organic phot-luminescence diode OLED, flat-panel screens, solid state display, negative electrode iconoscope CRT, projector, printer or other are known or be about to the display device that development is come out, the information that is determined with output.This display can provide user's a interface, so that it sees the functional of processor, perhaps is shown as the interface with specific software that is stored in a storer or a driver element.
In addition, this computer 34 can comprise the input media of configuration, can carry out interaction with any element of this system to allow the user.This input media can be a digiboard, a keyboard, directive controller, and for example mouse or rocking bar, touch control screen, far-end are controlled or any other operation comes and the device of system mutual.
Further instruction please refer to Fig. 4, is the synoptic diagram according to an embodiment of the present invention.One sun 41 sends many light 42, because the position of the sun and the earth is quite far away, the light of injecting can be considered as several parallel rayss, these many light are then by the reflective eyeglass on this light collecting device 20 22 reflection and focus to a solar energy module 32, simultaneously, can see and have four photodetectors 32 to be configured in lip-deep four orientation of this light collecting device 20 towards sun side, if the intensity of the sunray 42 that these photodetectors measured is inconsistent, and the expression sunray is this light collecting device of oblique incidence, this moment one, computer 34 can be analyzed the signal that these photodetectors 32 are measured, or utilize position of sun information in built-in this computer data, control this drive unit 36 rotations, one support 38 matches with this drive unit 36, these drive unit 36 rotations can drive support 38 rotations, these support 38 tops are taken advantage of and are carried this light collecting device 20, therefore this light collecting device 20 also can rotate, and make incident ray 42 with uniform this light collecting device 20 of mode incident, make this light collecting device 20 under a special angle, can collect maximum and the sunshine energy maximum in a specific moment, and make solar energy module 10 change luminous energy to electric energy in the mode of full blast.
It should be noted that, Various Seasonal, different time, different location, go into out to sunset from the sun, can detouring with different three-dimensional arc angles in the position of the sun, and not only is the east-west direction (sun east rises the west and falls) that common people understood, and therefore utilizes the position of the traceable sun of the present invention, and do instant reaction and adjust this light collecting device over against the sun (a similar sunflower), therefore whenever, where, the position of all traceable sun of the present invention, and utilize sun power more efficiently.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a minute surface that is used for thin-film solar cells amplifies the global sun tracking system of reflective intelligence, it is characterized in that, comprising:
One solar energy module;
One light collecting device comprises the reflective eyeglass with a focus, and described solar energy module is carried near the focus of described light collecting device;
It controls moving of described light collecting device or rotation one sun tracking system.
2. the system as claimed in claim 1 is characterized in that, described solar energy module comprises a thin-film solar cells.
3. the system as claimed in claim 1 is characterized in that, described sun tracking system comprises a plurality of photodetectors, a computer, a drive unit, a support.
4. the system as claimed in claim 1 is characterized in that, described solar energy module is the square type.
5. the system as claimed in claim 1 is characterized in that, described light collecting device is circular arc type or pyramid.
6. the system as claimed in claim 1 is characterized in that, described reflective eyeglass is made up of a plurality of small eyeglasses.
7. system as claimed in claim 2 is characterized in that the thickness of described thin-film solar cells is less than 200 microns.
8. system as claimed in claim 3 is characterized in that, described a plurality of photodetectors are an optical diode, and is installed in light collecting device on the surface of sunlight.
9. system as claimed in claim 3 is characterized in that described drive unit comprises a motor, a gear mechanism.
10. system as claimed in claim 3 is characterized in that, the described light collecting device of described stent support.
11. system as claimed in claim 6 is characterized in that, the area of described reflective eyeglass is greater than more than five times of area of described solar energy module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101748399A CN102236355A (en) | 2010-05-07 | 2010-05-07 | Mirror plane amplification and reflection type intelligent global sun tracking system for thin film solar cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101748399A CN102236355A (en) | 2010-05-07 | 2010-05-07 | Mirror plane amplification and reflection type intelligent global sun tracking system for thin film solar cell |
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| CN102236355A true CN102236355A (en) | 2011-11-09 |
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| CN2010101748399A Pending CN102236355A (en) | 2010-05-07 | 2010-05-07 | Mirror plane amplification and reflection type intelligent global sun tracking system for thin film solar cell |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684558A (en) * | 2011-12-12 | 2012-09-19 | 苏州科雷芯电子科技有限公司 | Device for improving solar power generation efficiency |
| CN103487924A (en) * | 2013-09-02 | 2014-01-01 | 万斌 | Method for automatic focusing of multi-block-combined paraboloid mirror solar energy light condensing plate |
| CN104075222A (en) * | 2013-03-28 | 2014-10-01 | 佛山正能光电有限公司 | Natural illumination solar device |
| CN115236827A (en) * | 2022-06-22 | 2022-10-25 | 深圳市正浩创新科技股份有限公司 | Light energy conversion system and control method thereof |
| CN115236827B (en) * | 2022-06-22 | 2024-04-19 | 深圳市正浩创新科技股份有限公司 | Light energy conversion system and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684558A (en) * | 2011-12-12 | 2012-09-19 | 苏州科雷芯电子科技有限公司 | Device for improving solar power generation efficiency |
| CN104075222A (en) * | 2013-03-28 | 2014-10-01 | 佛山正能光电有限公司 | Natural illumination solar device |
| CN103487924A (en) * | 2013-09-02 | 2014-01-01 | 万斌 | Method for automatic focusing of multi-block-combined paraboloid mirror solar energy light condensing plate |
| CN115236827A (en) * | 2022-06-22 | 2022-10-25 | 深圳市正浩创新科技股份有限公司 | Light energy conversion system and control method thereof |
| CN115236827B (en) * | 2022-06-22 | 2024-04-19 | 深圳市正浩创新科技股份有限公司 | Light energy conversion system and control method thereof |
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Application publication date: 20111109 |