CN102281017B - Trough reflector rotation type light-gathering power generation device - Google Patents
Trough reflector rotation type light-gathering power generation device Download PDFInfo
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- CN102281017B CN102281017B CN2011102117942A CN201110211794A CN102281017B CN 102281017 B CN102281017 B CN 102281017B CN 2011102117942 A CN2011102117942 A CN 2011102117942A CN 201110211794 A CN201110211794 A CN 201110211794A CN 102281017 B CN102281017 B CN 102281017B
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- 238000010248 power generation Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims description 15
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- 238000002360 preparation method Methods 0.000 claims description 3
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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
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Abstract
The invention discloses a trough reflector rotation type light-gathering power generation device which comprises a reflection driving part and a heterojunction power generation part, wherein the reflection driving part comprises a trough reflection surface and a secondary reflection surface; the heterojunction power generation part comprises a refraction body and a heterojunction battery component which is arranged on the back part of the light emission surface of the refraction body; incident rays parallelly enter from the open end of the trough reflection surface and are reflected by the trough reflection surface; the reflected rays are shot to the secondary reflection surface, converged and then reflected again to form parallel rays shooting to the refraction body; the rays are subjected to refraction deflection on the refraction body; the incident rays are distributed at different deflection angles according to frequencies; and the rays with corresponding frequencies and different angles are shot to the heterojunction battery component to finish power generation. The trough reflector rotation type light-gathering power generation device uses a principle that a paraboloid and a hyperboloid reflect light, and the light rays are converged to the refraction body through two reflection surfaces so as to be subjected to refraction. After being refracted, the light rays are scattered at different angles in the space in the refraction body according to the frequencies, and then are shot to heterojunction battery cells with different receiving frequencies to generate electric energy.
Description
Technical field
The present invention relates to a kind of heterojunction concentrating generation device, especially a kind of slot-type reflector rotation-type condensing power generation device.
Background technology
The core of concentrating generation device is light gathering efficiency and photocell, comprises R&D costs and cost performance.And the manufacturing cost of concentrating device and battery process plays key effect.
Aspect photo-thermal power generation, in the middle of the equipment of slot light collection heat generating has been used in some countries and regions in the world.The wherein tracking of slot type parabolic mirror and control the technology maturation basic item.Therefore, apply transformations to the with the obvious advantage of other professional purpose, particularly importantly development cost is relatively low, short and good reliability of cycle.
Formation unicity by semi-conducting material is divided into two kinds of homojunction, heterojunction.Photocell the earliest is the homojunction structure.Though heterojunction grew up afterwards, technical matters also has suitable characteristics.And current present situation is: the heterojunction electricity generation system has mostly adopted the optically focused form, wherein with more general with fresnel lens structure, and the more general lens complexity of this lens arrangement, optics processing acquires a certain degree of difficulty, and cost also has corresponding increase thereupon; In addition, also very high to the required precision of sunshine tracking, added certain difficulty for universal, accessory processing, operation, also need certain manufacturing cost.The maintenance of equipment, than ordinary lens complexity, is unfavorable for the stability of a system.The mode converged from light, general technology is the direct irradiation of sunlight heterojunction converged with a branch of, produce electric energy by the light absorbed and transmission utilizes the heterojunction of different depth to absorb different wave length, light degree incident in a vertical angle, luminous energy density concentrates caloric value to be unfavorable for greatly again heat radiation.
Summary of the invention
The problem existed for prior art, the object of the present invention is to provide a kind of relatively succinct light path setting, creates the slot-type reflector rotation-type condensing power generation device of the essential condition of hetero-junction solar cell generating.
For achieving the above object, slot-type reflector rotation-type condensing power generation device of the present invention, comprise reflection drive division and heterojunction Power Generation Section, wherein, the reflection drive division comprises slot type reflecting surface and secondary reflection face, the heterojunction Power Generation Section comprises refractile body and is arranged on the hetero-junction solar cell assembly at its light emergence face rear portion, incident ray reflects at the slot type reflecting surface from the parallel incident of the openend of slot type reflecting surface, light directive secondary reflection face through reflection converges and again is reflected, and form a collimated light beam directive refractile body, refractive deflection occurs in light on refractile body, incident light is pressed frequency distribution on different deflection angles, the light of the corresponding frequencies of different angles is mapped on the hetero-junction solar cell assembly and completes generating.
Further, between described refractile body and hetero-junction solar cell assembly, be provided with articulamentum, both are interconnected and fixed by this articulamentum, and the material of articulamentum is material identical with described refractile body refractive index and that thermal stability is high.
Further, between described articulamentum and described refractile body and hetero-junction solar cell assembly, adopt sintering, vacuum plasma deposition, physics and chemical preparation process bonding, chemical deposition to make.
Further, the light entrance face surface of described refractile body is provided with the antireflective coating structure.
Further, described refractile body is set to semicolumn, circular arc cylinder or prism structure, and material is chosen as the material that the light permeable rate high thermal stability is good, and is described articulamentum between described hetero-junction solar cell assembly.
Further, the intercepting face that described slot type reflecting surface is the parabola Extrude Face, its concave surface is set to reflecting surface, and described incident ray is parallel incident along the parabola symmetry axis from openend; The intercepting face that described secondary reflection face is the hyperbola Extrude Face, its convex surface is set to reflecting surface; Slot type reflecting surface and secondary reflection face be totally one focus, and the face that both have reflection function is oppositely arranged.
Further, described hetero-junction solar cell assembly comprises several hetero-junction solar cells, and several hetero-junction solar cells are pressed receive frequency along its surperficial tangential distribution, and hetero-junction solar cell adopts rigid or flexible quality material.
Further, described reflection drive division comprises controls the driving arrangement that pitch rotation is used, and is provided with upper support frame on driving arrangement, and described slot type reflecting surface and secondary reflection face are fixedly installed on upper support frame.
Further, described heterojunction Power Generation Section is arranged on described upper support frame by the firing angle micro actuator.
Further, also be provided with the lower support frame on described driving arrangement, the bottom of this lower support frame is fixedly connected with pedestal.
The present invention's application parabola and hyperboloid, to the reflection of light principle, converge to refractile body by two reflectings surface by light and produce refraction.According to the chromatic dispersion principle of refraction, after anaclasis, in refractile body inside, by frequency, in space, become different angles to scatter, shine on the hetero-junction solar cell sheet of different receive frequencies and produce electric energy by intermediate layer respectively.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is light path design schematic diagram of the present invention.
Embodiment
Below, with reference to accompanying drawing, the present invention is more fully illustrated, shown in the drawings of exemplary embodiment of the present invention.Yet the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the present invention comprehensively with complete, and scope of the present invention is fully conveyed to those of ordinary skill in the art.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", the relation for element shown in key diagram or feature with respect to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device in figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in space used here can correspondingly be explained.
Operation principle of the present invention is:
One: take hyperbola as boundary, the light come from focus opposite side focusing fixed fire is parallel to the symmetry axis of this curve after the hyperboloid reflection.
Two: light ray parallel converges at focus in the parabola symmetry axis from openend incident after its curve reflection.
Comprehensive above-mentioned 2 can obtain: if parabola is identical with the hyperbola opening direction, share a focus and symmetry axis and hyperbola in inboard, have: the light shafts of being injected, be parallel to symmetry axis by opening outward reflex to hyperbola through parabola, then after hyperbola reflection, form a branch of narrower be parallel to symmetry axis and with incident light light in the same way.
Three: when light is injected optically denser medium via optically thinner medium, refraction effect can occur, on medium interface, direction deflection will occur, deflection angle is directly proportional to light frequency.
As shown in Figure 1, slot-type reflector rotation-type condensing power generation device of the present invention, comprise reflection drive division 2 and heterojunction Power Generation Section 1, wherein, the reflection drive division comprises slot type reflecting surface 21, secondary reflection face 22, driving arrangement 24 and upper support frame 23, is provided with upper support frame 23 on driving arrangement 24, and slot type reflecting surface 21 and secondary reflection face 22 are fixedly installed on upper support frame 23, also be provided with lower support frame 25 on driving arrangement 24, the bottom of lower support frame 25 is fixedly connected with pedestal.Driving arrangement 24 connects and controls slot type reflecting surface, secondary reflection face and the heterojunction Power Generation Section one pitch rotation arranged on upper support frame.
The intercepting face that slot type reflecting surface 21 is the parabola Extrude Face, its concave surface is set to reflecting surface, and incident ray is parallel incident along the parabola symmetry axis from openend; The intercepting face that secondary reflection face 22 is the hyperboloid Extrude Face, its convex surface is set to reflecting surface; Slot type reflecting surface 21 and secondary reflection face 22 be totally one focus, and the face that both have reflection function is oppositely arranged.
Heterojunction Power Generation Section 1 comprises refractile body 11, articulamentum 12, hetero-junction solar cell assembly 13 and firing angle micro actuator 14.Between refractile body 11 and hetero-junction solar cell assembly 13, by articulamentum 12, be interconnected and fixed, the three interconnects into a single integrated structure, and mutual alignment is relatively fixing.Firing angle micro actuator 14 is regulated the luffing angle of heterojunction Power Generation Section 1, and firing angle micro actuator 14 can adopt the stepping motor device.
Heterojunction Power Generation Section 1 is arranged on upper support frame 23 by firing angle micro actuator 14.The material of articulamentum 12 is material identical with refractile body 11 refractive indexes and that thermal stability is high, between articulamentum 12 and refractile body 11 and hetero-junction solar cell assembly 13, adopts the corresponding physics such as sintering, vacuum plasma deposition, bonding, chemical deposition and chemical preparation process to make.
The light entrance face surface of refractile body 11 is provided with the antireflective coating structure, and hetero-junction solar cell assembly 13 is arranged on a side of refractile body 11 light emergence faces.Refractile body 11 can be set to semicolumn, circular arc cylinder or prism structure etc., and its material is chosen as the material that the light permeable rate high thermal stability is good.Hetero-junction solar cell assembly 13 comprises several hetero-junction solar cells, and several hetero-junction solar cells are pressed receive frequency along its surperficial tangential distribution, and hetero-junction solar cell adopts rigid or flexible quality material.
As shown in Figure 2, collection circuit and the operation principle of light of the present invention are as follows: arrow 50 means the light direction of illumination.According to the narration in relative theory, the intercepting face that slot type reflecting surface 21 is the parabola Extrude Face, light reflects at slot type reflecting surface 21 parallel incident along the parabola symmetry axis from openend.Light through reflection converges and again is reflected to secondary reflection face 22, then just form a collimated light beam directive refractile body 11, refractive deflection occurs again immediately on refractile body 11, and incident light is by frequency distribution on different deflection angles, and frequency is directly proportional to deflection angle.The light of the corresponding frequencies of different angles directly is mapped on the hetero-junction solar cell of corresponding different receive frequencies on hetero-junction solar cell assembly 13 through articulamentum again, completes generating.Because the sun is dynamic, so the angle of light degree of being responsible for adjusting integral body and refractile body by driving arrangement 24, firing angle micro actuator 14 respectively is luffing angle in order to follow the tracks of the correction light path, make it keep stable.
Slot-type reflector rotation-type condensing power generation device of the present invention use for reference slot type photo-thermal power generation structure, optics processing technology ripe simple, cost is low, simple to the precision maintenance high, equipment of sunshine tracking, perfect heat-dissipating, the stability of a system are high.The light that absorbs different wave length by the heterojunction that utilizes different refraction angles produces electric energy, has given full play to the characteristic of hetero-junction solar cell, has very high generating efficiency.
Claims (9)
1. slot-type reflector rotation-type condensing power generation device, it is characterized in that, this device comprises reflection drive division and heterojunction Power Generation Section, wherein, the reflection drive division comprises slot type reflecting surface and secondary reflection face, the heterojunction Power Generation Section comprises refractile body and is arranged on the hetero-junction solar cell assembly at its light emergence face rear portion, be provided with articulamentum between refractile body and hetero-junction solar cell assembly, both are interconnected and fixed by this articulamentum, the material of articulamentum is material identical with described refractile body refractive index and that thermal stability is high, incident ray reflects at the slot type reflecting surface from the parallel incident of the openend of slot type reflecting surface, light directive secondary reflection face through reflection converges and again is reflected, and form a collimated light beam directive refractile body, refractive deflection occurs in light on refractile body, incident light is pressed frequency distribution on different deflection angles, the light of the corresponding frequencies of different angles is mapped on the hetero-junction solar cell assembly of different receive frequencies and completes generating.
2. slot-type reflector rotation-type condensing power generation device as claimed in claim 1, it is characterized in that, between described articulamentum and described refractile body and hetero-junction solar cell assembly, adopt sintering, vacuum plasma deposition, respective physical and chemical preparation process bonding, chemical deposition to make.
3. slot-type reflector rotation-type condensing power generation device as claimed in claim 2, is characterized in that, the light entrance face surface of described refractile body is provided with the antireflective coating structure.
4. slot-type reflector rotation-type condensing power generation device as claimed in claim 3, it is characterized in that, described refractile body is set to semicolumn, circular arc cylinder or prism structure, and material is chosen as the material that the light permeable rate high thermal stability is good, and is described articulamentum between described hetero-junction solar cell assembly.
5. slot-type reflector rotation-type condensing power generation device as claimed in claim 1, it is characterized in that, the intercepting face that described slot type reflecting surface is the parabola Extrude Face, its concave surface is set to reflecting surface, and described incident ray is parallel incident along the parabola symmetry axis from openend; The intercepting face that described secondary reflection face is the hyperbola Extrude Face, its convex surface is set to reflecting surface; Slot type reflecting surface and secondary reflection face be totally one focus, and the face that both have reflection function is oppositely arranged.
6. slot-type reflector rotation-type condensing power generation device as claimed in claim 1, it is characterized in that, described hetero-junction solar cell assembly comprises several hetero-junction solar cells, and several hetero-junction solar cells are pressed receive frequency along its surperficial tangential distribution, and hetero-junction solar cell adopts rigid or flexible quality material.
7. slot-type reflector rotation-type condensing power generation device as claimed in claim 1, it is characterized in that, described reflection drive division comprises controls the driving arrangement that pitch rotation is used, and is provided with upper support frame on driving arrangement, and described slot type reflecting surface and secondary reflection face are fixedly installed on upper support frame.
8. slot-type reflector rotation-type condensing power generation device as claimed in claim 7, is characterized in that, described heterojunction Power Generation Section is arranged on described upper support frame by the firing angle micro actuator.
9. slot-type reflector rotation-type condensing power generation device as claimed in claim 7, is characterized in that, also is provided with the lower support frame on described driving arrangement, and the bottom of this lower support frame is fixedly connected with pedestal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102117942A CN102281017B (en) | 2011-07-27 | 2011-07-27 | Trough reflector rotation type light-gathering power generation device |
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| CN2011102117942A CN102281017B (en) | 2011-07-27 | 2011-07-27 | Trough reflector rotation type light-gathering power generation device |
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| CN102281017B true CN102281017B (en) | 2013-12-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6469241B1 (en) * | 2001-06-21 | 2002-10-22 | The Aerospace Corporation | High concentration spectrum splitting solar collector |
| CN2913955Y (en) * | 2006-06-29 | 2007-06-20 | 中国科学技术大学 | Heat self-dissipating solar energy accumulation type photovoltaic electricity generating system |
| CN101276850A (en) * | 2008-05-09 | 2008-10-01 | 宁波思达利光电科技有限公司 | Optical module for solar photovoltaic battery as well as photovoltaic battery |
| CN101777596A (en) * | 2010-01-19 | 2010-07-14 | 华中科技大学 | Dispersion type solar cell adopting photonic crystals |
| CN202178724U (en) * | 2011-07-27 | 2012-03-28 | 中海阳新能源电力股份有限公司 | Slot-type reflector rotation-type condensing power generation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080048102A1 (en) * | 2006-08-22 | 2008-02-28 | Eastman Kodak Company | Optically enhanced multi-spectral detector structure |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6469241B1 (en) * | 2001-06-21 | 2002-10-22 | The Aerospace Corporation | High concentration spectrum splitting solar collector |
| CN2913955Y (en) * | 2006-06-29 | 2007-06-20 | 中国科学技术大学 | Heat self-dissipating solar energy accumulation type photovoltaic electricity generating system |
| CN101276850A (en) * | 2008-05-09 | 2008-10-01 | 宁波思达利光电科技有限公司 | Optical module for solar photovoltaic battery as well as photovoltaic battery |
| CN101777596A (en) * | 2010-01-19 | 2010-07-14 | 华中科技大学 | Dispersion type solar cell adopting photonic crystals |
| CN202178724U (en) * | 2011-07-27 | 2012-03-28 | 中海阳新能源电力股份有限公司 | Slot-type reflector rotation-type condensing power generation device |
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