CN101820237A - Small photovoltaic device - Google Patents
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- CN101820237A CN101820237A CN201010148935A CN201010148935A CN101820237A CN 101820237 A CN101820237 A CN 101820237A CN 201010148935 A CN201010148935 A CN 201010148935A CN 201010148935 A CN201010148935 A CN 201010148935A CN 101820237 A CN101820237 A CN 101820237A
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The invention relates to a photovoltaic device, in particular to a multichannel photovoltaic device for gathering incident light to generate electric energy.
Description
Technical field
Theme of the present invention disclosed here relates to a kind of photovoltaic devices, and particularly a kind of multichannel photovoltaic device is used to produce electric energy to concentrate incident light.
Background of invention
Although sunlight, the energy that this produces solar energy is actually the free and abundant energy, and these advantages of sunlight are but offset by the quite expensive expense of relevant photovoltaic (PV) battery.And corresponding this class PV battery is considerably inefficient, and the PV battery takies a sizable area, so that can produce the electric energy of desired amt.Therefore, the efficient that improves the PV battery can reduce the manufacturing cost of solar energy and/or improve the ability that produces solar energy.
Description of drawings
The embodiment of and nonexcludability non-limiting with reference to following subject description the present invention, wherein identical reference code is represented same parts in whole specification, unless specify in addition.
Fig. 1 is the schematic diagram of the photovoltaic system of one embodiment of the invention;
Fig. 2 is the structure side view and the schematic diagram of the photovoltaic system of one embodiment of the invention;
Fig. 3-the 7th, the schematic diagram of the photovoltaic system of one embodiment of the invention.
Detailed Description Of The Invention
In the following detailed description, will set forth numerous details so that can complete understanding theme of the present invention.But it will be apparent to those skilled in the art that not to need these details also can implement theme of the present invention.In addition, in order clearly to describe theme of the present invention, method well-known to those skilled in the art, device or system will not be described in detail.
In whole specification, " embodiment " is meant special feature, structure or a characteristic of describing about a special embodiment, and this special embodiment can be included at least one embodiment of the present invention.Therefore, not necessarily be intended to refer to any one specific embodiment of same embodiment or description at each local " in embodiment " or " embodiment " who occurs in the specification.In addition, will be appreciated that in one or more embodiment, special characteristic, structure or characteristic can make up in every way.Certainly, such-and-such problem can be different and different along with the use of specific context.So, describe or use the specific context of these terms can help to understand relevant referenced drawings.
Equally, as used herein " with ", " and/or " and " or " can comprise various connotations, depend in part on the employed context of these terms equally at least.Usually,,, be intended to refer to A, B and C (at this as comprising connotation), also can refer to A, B or C (at this as exclusive connotation) as A, B or C if " or " with " and/or " is relevant with a tabulation.In addition, " one or more " can be used to describe any feature, structure or the characteristic of odd number as used herein, perhaps also can be used to describe the combination of some features, structure or characteristic.But should be noted that this only is a descriptive example, and theme of the present invention is not limited to this example
Embodiment described here comprises a photovoltaic (PV) device, and it uses the particular configuration of optical element and PV element to convert light to electric energy.For example, such PV device can comprise a concentrator (light concentrator) array with collection and focused light, and an optical splitter (lightsplitter) is with the light that optionally reflects and transmission is collected and is focused.This selectivity can be to be to depend on to be collected light wavelength to small part.Particularly, one group of independence optical splitter array can reflect the light with particular range of wavelengths, and guides these reverberation to first solar cell.The light of another group particular range of wavelengths can penetrate the optical splitter array, and the optical splitter array also guides these transmitted lights to one or more second solar cells.This optical splitter array can be configured to guide these reverberation to converge to zone with the first solar cell position consistency.For example, there is equal distance this position apart from each element of concentrator array.First and second solar cells can have different operating wavelength range mutually.This PV device can have many advantages.For example, specific PV element is called solar cell thereafter, only operation effectively on particular range of wavelengths.In other words, different solar cells have different usefulness on different wavelength range.For example, a kind of binode (double-junction) (DJ) solar cell can have the highest conversion usefulness at a 880nm in the wave-length coverage of 1270nm, and a silica-based solar cell can have the highest conversion usefulness most at a 310nm in the wave-length coverage of 880nm, although theme of the present invention is not limited in this respect.Because sunlight comprises a wavelength that suitable wideband is wide, it is favourable utilizing polytype solar cell to convert electric energy to the light with multi-wavelength's scope.Therefore, an embodiment of aforesaid PV device can hold more than one type solar cell, thereby improves the operation wave-length coverage of PV device.
Another advantage that this PV device brings is the compactedness of PV device, and this can realize that this will be in following detailed description by the ad hoc structure of particular light element and/or this optical element.Another advantage can be: this PV device can use quite little optical element to move, and this compares with the large scale optical device, considerably cheaper.Also have the another one advantage: the structural detail (as heat pipe) by the PV device can be removed the heat that is produced effectively from the PV device the solar cell process of operation particular type, this will be in following detailed description.In the case, the PV device does not need to comprise special-purpose thermal component.Therefore, this PV device can have many advantages, one quite efficiently, the undersized generation device of solar energy cheaply.Certainly, the advantage of this PV device is not limited to above-mentioned advantage, and theme of the present invention is also not limited.
In an embodiment, a kind of method of making the PV device of PV device such as above-mentioned embodiment comprises: assemble one group of concentrator array to collect and/or focused light, as sunlight.In order to combine operation with this optical collector, can dispose one group of independence optical splitter array in case to small part be the light that according to light wavelength and optionally reflection and transmission are collected and/or are focused.This optical splitter array can be configured to direct reflected light to first solar cell, and the guiding transmitted light is to one or more second solar cells.First and second solar cells can have different operating wavelength range mutually.In addition, reverberation can be collimated by the combination of concentrator and optical splitter, to converge to a zone with the first solar cell position consistency.In an enforcement, one or more second solar cells can be placed near the axis of centres of concentrator array and optical splitter array.For example, can be to settle symmetrically with axis of centres center.
In an embodiment, the operation method of the PV device of a kind of PV device such as above-mentioned embodiment can comprise: collect and/or the focusing incident light, provide the light that is collected and/or is focused to one group of optical splitter array.Independent optical splitter array of this group can be optionally according to light wavelength light to be reflected at least in part, and the light that is collected according to the described wavelength transmission of described light at least in part.Then, reverberation can be directed converging to a zone with the first solar cell position consistency, and transmitted light may be directed to one or more second solar cells.First and second solar cells can have different operating wavelength range mutually.Certainly, these details of making or moving a PV device only are examples, and theme of the present invention is not so limited.
Fig. 1 is the schematic diagram of the photovoltaic devices 100 of an embodiment.When light 105 drops on the array 110 of concentrator 120, can be focused and be directed on one group of optical splitter array 130.This group concentrator can comprise a refractor or a refractor combination (as compound lens), and/or Fresnel (Fresnel) lens, and this only is some examples.This group concentrator can have a relevant focal length, the distance that its light of determining to pass concentrator can be focused.In addition, this concentrator can have a relevant numerical aperture (N.A.), and it determines to pass the convergence angle of the light of concentrator.Therefore, this concentrator can coalescence focus on light on the particular focal length with a special angle.For example, the optical element downstream of this concentrator can be settled according to the focal length and/or the N.A. of this concentrator.An array of this concentrator can comprise that one or more concentrators arrange in any possible mode.In a specific examples, this array can comprise with ranks arrange four concentrators, this will be in following detailed description.Use single large-scale concentrator element relatively, an array of the less relatively concentrator of use can reduce the cost of PV device 100 effectively.
In an enforcement, optical splitter 130 can comprise an optical element, and it can reflect the light with particular range of wavelengths, the light that simultaneously can transmission has another particular range of wavelengths.This optical splitter can comprise an optical window (as quartz), and it is included in a plurality of smooth dielectric coated on one or two side of optical window.This optical window is flat surfaces not necessarily.Coating can be at least in part according to reflection of incident light wavelength and/or transmission incident light.In a particular implementation, PV device 100 can comprise a concentrator for each optical splitter.In the case, concentrator 120 collected incident lights 105 can guide the optical splitter 130 of converging light to a correspondence.Then, optical splitter 130 can antireflection part light to first solar cell 160, and transmission another part light is to second solar cell 140.As mentioned above, these part light can be determined by light wavelength.And one or more speculums can be placed between the optical splitter 130 and first and/or second solar cell, so as can direct light to solar cell.In 100 li in PV device, for example, speculum 150 can be placed on the front of first solar cell 160.Certainly, these aspects of PV device and details only are examples, and theme of the present invention is not so limited.
Fig. 2 comprises the structure side view and the schematic diagram of the photovoltaic system 200 of an embodiment.The array 210 of concentrator 220 can be collected incident light 272, and it must be to impinge perpendicularly on the surface of concentrator 220, as shown in Figure 2 that incident light does not need.Can drop on the optical splitter 230 from the come out light 274 of (promptly transmiting) of concentrator 220, it can be symmetrically distributed along the axis of centres 205.Concentrator 220 also can be symmetrically distributed along the axis of centres 205.In an enforcement, the axis of centres 205 can intersect with a central point of concentrator 220 and a central point of optical splitter 230.Optical splitter 230 can reflect a part of light 274 with particular range of wavelengths.For example, light can be reflected with the optical splitter that an angle 285 tilts from the relative axis of centres 205, and reverberation 276 can be directed into first solar cell 260 by speculum 250.In this was implemented, adjusting angle of inclination 285 can focus on a plurality of light beams (light of each optical splitter 230 reflections of clump) on first solar cell 260, and method is simple.In order to narrate a specific example, best angle of inclination 285 is approximately 66 degree, and on this angle, the light spot shape and the size that drop on first solar cell 260 can be adjusted to strengthen the optical alignment of PV device 200.Especially, each optical splitter can tilt with angle 285, and angle 285 can comprise that becomes 60 scopes of spending between spending to 70 with the axis of centres.When the scope of the angle of inclination of optical splitter 230 deviation in this angle of inclination may mislead light 276, cause having only the light 276 of suitable small part can be directed on the position of first solar cell 260.Light 278 expressions reflex to the light of first solar cell 260 from speculum 250.Therefore, the angle adjustment of optical splitter 230 can provide a kind of technology to be used to adjust the task performance of PV device 200.Certainly, for relating to the enforcement of optical element (as concentrator), realize that on angle 285 optical alignment of expectation may also be different with the focal length that is different from above-mentioned example.A special characteristic of PV device 200 is following facts: a plurality of light paths, or " passage " as described below, can be directed to converge on first solar cell 260, and it may comprise single solar cell.This a plurality of light path is focused at the result who (comprises first solar cell 260) on the suitable zonule, concentrates the heat that quite big quantity is arranged on first solar cell 260.Therefore, for example, first solar cell 260 can be installed on the heat pipe or near heat pipe (shown in Fig. 3-5) heat conduction is walked from first solar cell 260.
The light 274 that a part is not reflected by optical splitter 230 can be by optical splitter 230 transmissions.As mentioned above, these transmitted lights 282 can be the light of the different wavelength range that has with reverberation 276.For example, transmitted light 282 may be directed to second solar cell 240.A special characteristic of PV device 200 is following facts: single second solar cell 240 can be configured to the light of reception from single light path.This corresponding one to one result is, can be distributed in relatively fifty-fifty on the shared relatively large area of a plurality of second solar cells 240 in the heat of concentrating on second solar cell 240.Therefore, PV device 200 can be avoided because the overheated problem that causes of solar cell.
In a particular implementation, first solar cell 260 can comprise a DJ (DoubleJunction) solar cell, and second solar cell 240 can comprise silica-based (silicon) solar cell, although theme of the present invention is not so limited.Can use the solar cell of any kind, can select specific solar cell according to the operating wavelength range of dissimilar solar cells at least in part.This operating wavelength range of specific solar cell and/or position can cooperate the spectral properties of optical splitter 230 and select.For example, light that whether position of the solar cell of particular job wave-length coverage can guide this particular range of wavelengths according to optical splitter 230 is arranged to place that this solar cell is placed.
In an embodiment, optical path comprises a concentrator 220, optical splitter 230, second solar cell 240 and light path 276 and 278, and it can be counted as an optical channel.Although PV device 200 has been shown as four optical channels in Fig. 2, the optical channel of other number also is possible, and theme of the present invention is not so limited.And, this optical channel not necessarily along the axis of centres 205 balanced configurations and can be asymmetric configuration, although this configuration can produce a quite small-sized PV device.It is roughly the same (as similar focal length, N.A. etc.) that this balanced configuration also can allow the optical element in each passage.For example, the optical channel about the symmetrical arrangements of the axis of centres 205 may produce unbalanced optical channel, and this can carry out optical alignment and/or focusing quite difficultly.Similarly, first solar cell, 260 relative PV device 200 other position component also can produce a quite compact PV device.For example, in a particular implementation, the position of first solar cell 260 can be a central area that is positioned on the middle axis of centres 205 of optical splitter array.Certainly, these aspects of PV device and details only are examples, and theme of the present invention is not so limited.
Fig. 3 is the decomposing schematic representation of the photovoltaic devices 300 of one embodiment of the invention.An array 310 of concentrator 320 can dispose so that receive the incident light that passes top frame 345, and top frame 345 is part supporting constructions of PV device 300.For example, this supporting construction can comprise a under(-)chassis 358 and support column 355.Optical splitter 330 can be configured so that receive the light that passes array 310.The optical splitter 320 of the given number of corresponding concentrator 320 numbers can be settled along an axial symmetry perpendicular to array 310 centers, as the axis of centres 205 of Fig. 2.Concentrator 320 also can be settled along this axial symmetry.As mentioned above, optical splitter 330 incident light that can antireflection part has particular range of wavelengths.These reverberation can be directed into first solar cell 360 by speculum 350 subsequently.Connector 362 as soldered ball, contact pin, lead-in wire etc., can comprise that electric connector and/or mechanical connector are to connect the outer member (not shown) to first solar cell 350.In a particular implementation, optical splitter 330 can be installed on the part 372 of supporting construction of PV device 300, makes optical splitter to adjust to adjust the angles of inclination of optical splitter along one or more rotations.This adjustable can provide a kind of technology, so that meticulous adjustment is from the collimation of the light of optical splitter 330 to first solar cells 360.As mentioned above, the optical alignment efficient of PV device 300 optical elements can influence the operating efficiency of PV device 300 to small part.In an enforcement, optical splitter angle of inclination and/or optical alignment can be to depend on the focal length of concentrator 320 and make adjustment at least in part.
Because a plurality of optical channels may be directed to single first solar cell 360, on first solar cell, concentrate the heat that quite big quantity is arranged.Therefore, first solar cell 360 can be installed on the central support structure 390 that comprises heat pipe from first solar cell 360 heat conduction is walked.In an enforcement, this heat pipe can be mechanically connected to a supporting construction of PV device 300.Heat pipe not necessarily only is the structural detail that supports first solar cell 360.Central support structure 390 can provide following advantage, and promptly it can relatively easily be provided with to avoid stopping sunlight or other light in the PV device 300.For example, central support structure 390 can be that straight, a vertical relatively structure is to support first solar cell 360.Certainly, this heat pipe of PV device and others and details only are examples, and theme of the present invention is not so limited.
Fig. 4 is the schematic diagram of the PV device 400 of one embodiment of the invention.One group of concentrator array 410 can be configured to receive the incident light that passes top frame 445, and top frame 445 is parts of the supporting construction of PV device 400.As mentioned above, optical splitter 430 incident light that can antireflection part has particular range of wavelengths.These reverberation can be directed into first solar cell 460 by speculum 450 subsequently.First solar cell 460 can be installed on the heat pipe 490 and from first solar cell 460 heat conduction be walked.In a particular implementation, an additional advantage that is provided by heat pipe 490 can comprise the following fact, be that heat pipe 490 can be configured to avoid stopping the incident sunlight, because solar cell 460 is directly installed on the heat pipe 490 and is removed additional support structures, so as to reducing the space of being forcibly occupied.Speculum 450 can provide a kind of technology, arrives in first solar cell, 460 processes speculum 450 the light warpage at light, to reduce the height of PV device 400.In this example, first solar cell 460 can comprise a supine working face, and wherein " up " is defined the direction that enters into array 410 in contrast to incident light.
Fig. 5 is the schematic diagram of the photovoltaic devices 500 of one embodiment of the invention.A concentrator array 510 can be configured to receive the incident light that passes top frame 545, and top frame 545 is parts of the supporting construction of PV device 500.As mentioned above, optical splitter 530 incident light that can antireflection part has particular range of wavelengths.These reverberation may be directed to first solar cell 560 subsequently.Compare with the structure of the described PV device 400 of Fig. 4, do not need a speculum to reboot light from optical splitter 530 to first solar cells 560.In this example, first solar cell 560 can comprise a ventricumbent working face, and wherein " down " is defined as being equal to the direction that incident light enters into array 510.In an enforcement, first solar cell 560 can be installed on the heat pipe 590 from first solar cell 560 heat conduction is walked.In such enforcement, an additional advantage that is provided by heat pipe 590 can comprise the following fact, be that heat pipe 590 can be provided with to avoid the stopping incident sunlight, removed additional support structures, so as to reducing the space of being forcibly occupied because solar cell 560 is directly installed on the heat pipe 590.
Fig. 6 is the schematic diagram of the photovoltaic devices 600 of one embodiment of the invention.Array 610 can comprise a plurality of lens 620, and it is in conjunction with the function of concentrator and optical splitter, focuses on incident light 672, is to reflect light with the transmission different piece selectively according to light wavelength to small part, as mentioned above.In an enforcement, although being described, array 610 comprises that a plurality of lens, array 610 can be single compound lens (as the optical materials of monolithic shape), it comprises the different piece that comprises lens 620.In another is implemented, can be at 610 li a plurality of lens 620 of array by mutual physical isolation, or a plurality of lens 620 can be combined (as bonding) to form array 610.This lens can comprise a refractor with light dielectric coated, and it reaches transmission or catoptrical purpose by constructive and/or destruction interference.As a result, reverberation 674 can be focused, and is directed into first solar cell 660, and transmitted light 676 can be focused, and is directed into second solar cell 640.In an enforcement, can polymerization on first solar cell 660 from the light 674 of the surface reflection of a plurality of lens 620, first solar cell 660 produces electric energy according to these quite high-intensity polymerization lights at least in part.Simultaneously, the light 676 that a plurality of lens 620 are passed in transmission can focus on each second solar cell 640, and wherein each this solar cell can corresponding lens 620, although theme of the present invention is not so limited.For example, in another was implemented, per two second solar cells 640 can corresponding lens 620, or the like.Will be understood that PV device 600 can comprise extra optical element such as speculum with collimated light 672,674, and structural support elements is to support these elements of PV device 600.For example, a heat pipe that dispels the heat from first solar cell 660 can be arranged with physical support first solar cell 660.For example, a folding mirror as speculum 250, can be placed with refract light 674, the working face that makes the solar cell 660 of winning up, wherein " up " is defined the direction that enters into array 610 in contrast to incident light.
Fig. 7 is the schematic diagram of the photovoltaic devices 700 of one embodiment of the invention.Array 700 can comprise a plurality of lens 720, and it is in conjunction with the function of concentrator and optical splitter, focuses on incident light 772, and reflects light with the transmission different piece selectively according to light wavelength at least in part, as mentioned above.In an enforcement, although being described, array 710 comprises a plurality of lens, and array 710 also can be single compound lens (as the optical material of single shape piece), and it comprises the different piece that comprises lens 720.In another was implemented, 710 li of arrays, a plurality of lens 720 can be by mutual physical isolation, or a plurality of lens 720 can be combined (as bonding) to form array 710.These lens can comprise a refractor with optical coating, its transmission or reflect aforesaid light.As a result, reverberation 774 can be focused, and is directed into second solar cell 740, and transmitted light 776 can be focused, and is directed into first solar cell 760.In an enforcement, the light 776 of a plurality of lens 720 is passed in transmission can polymerization on first solar cell 760, and first solar cell 760 can be write quite high-intensity polymerization light and produce electric energy based on this at least in part.Simultaneously, can focus on each second solar cell 740 from the light 774 of the surface reflection of a plurality of lens 720, wherein each this solar cell can corresponding lens 720, although the present invention is not so limited.For example, in another was implemented, per two second solar cells 740 can corresponding lens 720, or the like.Will be understood that PV device 700 can comprise extra optical element such as speculum with collimated light 772,774, and/or 776, and structural support elements is to support these elements of PV device 700.For example, a heat pipe that dispels the heat from first solar cell 760 can be arranged with physical support first solar cell 760.In an enforcement, a bottom supporting structure of PV device 700 or framework divide can comprise one heat sink, can place first solar cell 760 on it.Certainly, the details of above-described PV device 700 only is the example that possible construct, and theme of the present invention is not so limited.
It will be recognized by those skilled in the art that the various changes of above description being made unlimited number of times are possible, example and accompanying drawing only are to be used for describing one or more particular implementations.
Although described and narrated example embodiment, it will be understood to those of skill in the art that under the prerequisite that does not break away from theme of the present invention and can make various modifications and replacement it.In addition, under the situation that does not break away from central concept described herein, can make many modifications so that a special sight is adapted to religious doctrine of the present invention.Therefore, theme of the present invention can not be subject to specific embodiment disclosed here, and on the contrary, theme of the present invention can also comprise all embodiment in the scope that belongs to claims and equivalent thereof.
Claims (32)
1. photovoltaic devices comprises:
One group of concentrator array is used for collecting and focused light; With
One group of independence optical splitter array, described independent optical splitter array is separated into light a plurality of light components and makes guiding, and it comprises that first light component is directed into the zone that one or more second solar cells and second light component are directed into the first solar cell place.
2. device according to claim 1, the distance between wherein said first solar cell and the described concentrator array is about equidistantly.
3. device according to claim 1, wherein said concentrator and described optical splitter are formed single optical element.
4. device according to claim 1, wherein said first solar cell are the positions that is positioned at an axis of centres of described concentrator array and described optical splitter array.
5. device according to claim 4, wherein said optical splitter is made inclination with respect to the described axis of centres, and this range of tilt angles is to spend to 70 degree from 60.
6. device according to claim 1, the described position of wherein said first solar cell are on the focal plane of described concentrator array.
7. device according to claim 5, wherein said one or more second solar cells are to be symmetrical in the described axis of centres and to arrange.
8. device according to claim 1, wherein said first light component is the light that comes out from described spectrophotometric reflection and is directed into described one or more second solar cell, and described each second light component is that the light that described optical splitter is passed in transmission is directed into first solar cell.
9. device according to claim 1, wherein said first light component is that transmission is passed the light of described optical splitter and is directed into described one or more second solar cell, and described each second light component is the light that comes out from described spectrophotometric reflection and is directed into first solar cell.
10. according to Claim 8, described device, wherein said catoptrical spectral region is different from the spectral region of described transmitted light.
11. according to claim 9, described device, wherein said catoptrical spectral region is different from the spectral region of described transmitted light.
12. device according to claim 1, the work spectral region of wherein said first solar cell is different from the work spectral region of described second solar cell.
13. device according to claim 1, wherein said first solar cell comprises a double-junction solar battery, and described one or more second solar cells comprise silica-based solar cell.
14. device according to claim 1, wherein said first solar cell is installed on the heat pipe of a heat conduction.
15. device according to claim 1 also comprises a central support structure, mounted thereto of described first solar cell.
16. device according to claim 1, the receiving plane of wherein said first solar cell are arranged in contrast to the direction of the described smooth incident of described concentrator array collection.
17. device according to claim 1, wherein said first solar cell are installed in described optical splitter array and the described concentrator array institute area surrounded.
18. a method comprises:
Assemble one group of concentrator array to collect light; With
Dispose one group of optical splitter array with:
Guide to the described light that is collected of small part, and make guiding according to the described light wavelength that is collected,
Guiding is from the described light that is collected of the first of the single optical splitter of described array, with converge to one with the zone of the first solar cell position consistency and
The described light that is collected of guiding second portion is to one or more second solar cells;
Dispose the described light that is collected of described first;
19. method according to claim 18, wherein said first solar cell are the positions that is positioned at an axis of centres of described concentrator array and described optical splitter array.
20. method according to claim 18, the described position of wherein said first solar cell are focal planes of described concentrator array.
21. method according to claim 19 comprises that also described one or more second solar cell is placed on the axle that described indivedual concentrator and described indivedual optical splitter form.
22. method according to claim 18, the receiving plane of wherein said first solar cell are arranged in contrast to the direction of the described smooth incident of described concentrator array collection.
23. method according to claim 18, the light that wherein said first is collected comprises the light from described single spectrophotometric reflection, and the light that wherein said second portion is collected comprises that transmission passes the light of described single optical splitter.
24. method according to claim 18, the light that wherein said first is collected comprise that transmission passes the light of described single optical splitter, the light that wherein said second portion is collected comprises the light from described single spectrophotometric reflection.
25. method according to claim 19, wherein said indivedual optical splitters tilt with respect to the described axis of centres, and this range of tilt angles is to spend to 70 degree from 60.
26. a method comprises:
Collect and focus on incident light;
Described be collected and light to one single optical splitter array of being focused is provided, and makes guiding according to the described light wavelength that is collected;
The guiding first described light that is collected, with converge to one with first solar cell on the zone of position consistency; With
The described light that is collected of guiding second portion is to one or more second solar cells;
27. method according to claim 26, described first solar cell are the positions that is positioned at an axis of centres of described optical splitter array.
28. method according to claim 27, wherein said one or more second solar cells are to be symmetrical in the described axis of centres.
29. method according to claim 26, the light that wherein said first is collected comprises the light from described single spectrophotometric reflection, and the light that wherein said second portion is collected comprises that transmission passes the light of described single optical splitter.
30. method according to claim 26, the light that wherein said first is collected comprise that transmission passes the light of described single optical splitter, the light that wherein said second portion is collected comprises the light from described single spectrophotometric reflection.
31. method according to claim 30, wherein said catoptrical spectral region is different from the spectral region of described transmitted light.
32. method according to claim 27, wherein said indivedual optical splitters tilt with respect to the described axis of centres, and this range of tilt angles is to spend to 70 degree from 60.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403391A (en) * | 2011-08-30 | 2012-04-04 | 香港应用科技研究院有限公司 | Condensation And Energy Conversion System |
| CN105319622A (en) * | 2013-06-28 | 2016-02-10 | 佳能株式会社 | Optical element array and solid-state imaging device including the array |
| CN106169909A (en) * | 2016-09-27 | 2016-11-30 | 杨兰英 | A kind of Salar light-gathering mechanism |
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| CN105319622A (en) * | 2013-06-28 | 2016-02-10 | 佳能株式会社 | Optical element array and solid-state imaging device including the array |
| CN105319622B (en) * | 2013-06-28 | 2018-06-12 | 佳能株式会社 | Array of optical elements and the solid state image pickup device including the array |
| CN106169909A (en) * | 2016-09-27 | 2016-11-30 | 杨兰英 | A kind of Salar light-gathering mechanism |
| CN106169909B (en) * | 2016-09-27 | 2018-04-27 | 杨兰英 | A kind of Salar light-gathering mechanism |
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| Publication number | Publication date |
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| CN101820237B (en) | 2013-11-27 |
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