CN102074606A - Light-concentrating solar comprehensive collecting and reforming unit - Google Patents
Light-concentrating solar comprehensive collecting and reforming unit Download PDFInfo
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- CN102074606A CN102074606A CN201010565663XA CN201010565663A CN102074606A CN 102074606 A CN102074606 A CN 102074606A CN 201010565663X A CN201010565663X A CN 201010565663XA CN 201010565663 A CN201010565663 A CN 201010565663A CN 102074606 A CN102074606 A CN 102074606A
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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
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention provides a light-concentrating solar comprehensive collecting and reforming unit, comprising a light-concentrating device, a light-dividing device and a plurality of sunlight utilization devices, wherein the light-concentrating device is used for collecting and transmitting sunlight to the light-dividing device; the light-dividing device is used for dividing the collected sunlight into a plurality of independent lights in accordance with wavebands, and the independent lights are respectively transmitted to the corresponding sunlight utilization devices; and the sunlight utilization devices use the sunlight with different wavebands. The light-concentrating solar comprehensive collecting and reforming unit has the advantage that the light-dividing device is configured to divide the incident sunlight in accordance with the different wavebands, and transmit the lights with the different wavebands to the different devices, such as solar illuminators, solar heating/generating devices and the like, thereby realizing the comprehensive utilization for sunlight full spectrum.
Description
Technical field
The present invention relates to area of solar cell, relate in particular to a kind of beam condensing unit and solar energy composite and collect and reforming unit.
Background technology
Sunlight is inexhaustible clean energy resource.The current mode of utilizing to solar energy mainly is to utilize visible light wave range to be used for heating object, generating or illumination.Utilizing the typical case of solar energy heating object to use is the solar water heater that is widely used at present, and to be the sunlight that utilizes directly change into heat energy to the heat effect of object with luminous energy to this device.And utilize solar lighting is sunlight to be directed into indoor by optical fiber, and for example directly throw light in the inner space of basement or large stadium.And utilize solar power generation mainly to be meant solar cell, and utilize semi-conductive photovoltaic effect that luminous energy is changed into electric energy, mainly comprise various forms of solar cells such as monocrystalline silicon, polysilicon and compound semiconductor.
The existing problem that the energy utilization mode of solar energy is faced is, spectrum utilization of resources mode with a kind of equipment is single, if the sunlight on the unit are is absorbed by Blast Furnace Top Gas Recovery Turbine Unit (TRT), just can not be used for simultaneously throwing light on, if just can not be used for generating and illumination simultaneously by the heater absorption.And each equipment has in fact only utilized the spectrum resource of a certain wave band, for example the main utilization of heating is infrared band, what illumination utilized is visible light wave range, and the wave band that generating is utilized then is certain wave band that energy gap determined by the PN junction of solar cell.
Summary of the invention
Technical problem to be solved by this invention is, a kind of concentrating solar comprehensive collection and reforming unit are provided, and can realize the comprehensive utilization to the full spectrum of sunlight.
In order to address the above problem, the invention provides a kind of concentrating solar comprehensive collection and reforming unit, comprise beam condensing unit, also comprise light-dividing device and a plurality of sunlight use device; Described beam condensing unit is used to collect sunlight and conducts to light-dividing device; Described light-dividing device is separated into independently light of multi beam with the sunlight of collecting according to wave band, and imports corresponding sunlight use device respectively into; Described a plurality of sunlight use device utilizes the sunlight of different-waveband separately.
As optional technical scheme, each bar all comprises at least a in ultraviolet light, visible light and the infrared light independently of one another in the multi beam independence light that described light-dividing device separated, and sunlight use device correspondence comprises solar illumination apparatus and solar energy heating/Blast Furnace Top Gas Recovery Turbine Unit (TRT).
As optional technical scheme, described light-dividing device comprises one or more filter plate, described filter plate can be with the transmittance of a designated band, and the light of all the other each wave bands is reflected, the light of each filter plate reflection different-waveband, the filtering material of described filter plate is selected from the double-deck coating materials that refractive index has certain difference.
As optional technical scheme, described light-dividing device comprises a visible light filter plate, the filtering material of described visible light filter plate is such as but not limited to silicon dioxide and tantalum pentoxide, and described visible light filter plate can be with visible transmission, and with the light reflection of infrared and ultraviolet band.
As optional technical scheme, described light-dividing device further comprises a total reflection sheet, and described total reflection sheet all has reflex to the visible light of all wave bands
As optional technical scheme, described solar illumination apparatus comprises a glass awl post and a photoconductive tube, and the bigger end of diameter of described glass awl post is aimed at from the isolated visible light of light-dividing device the end alignment light conduit that diameter is less.
As optional technical scheme, described photoconductive tube is selected from a kind of in hollow plastic tube, glass fibre, plastic optical fibre and the solid core fibres.
As optional technical scheme, further comprise the sunlight light-chasing device.
As optional technical scheme, described light-chasing device is built-in with position of sun and longitude and latitude and time relation, can collect and on-site longitude and latitude of reforming unit and time by reading described solar energy composite, calculate the position of the sun automatically, to realize following spot to sunlight.
As optional technical scheme, described light-chasing device further comprises two stepping motors, and one of them motor is realized the angle scanning on the horizontal plane, and the another one motor is realized the angle scanning of vertical direction.
The invention has the advantages that: by light-dividing device is set, sunlight to incident separates according to different wave bands, the light of different-waveband is directed into different devices, and for example solar illumination apparatus and solar energy heating/Blast Furnace Top Gas Recovery Turbine Unit (TRT) etc. are to realize the comprehensive utilization to the full spectrum of sunlight.The present invention can make ultraviolet arrive infrared light can both all arrive effectively utilization.That visible light is used to improve is indoor, the illumination in inferior space, meanwhile, harmful ultraviolet, and carry the maximum infrared band sunlight of heat and be collected in the specific water heater or Photospot solar is used for heating or power supply.
By the total reflection sheet further is set, when not needing to throw light on, all spectrum all is switched in the condenser system, is used for generating or heating.
By the system of following spot automatically of no detector further is set, make that the comprehensive utilization ratio of sunlight is the highest.
Description of drawings
It shown in the accompanying drawing 1A structural representation of described concentrating solar comprehensive collection of the specific embodiment of the present invention and reforming unit.
Accompanying drawing 1B is a structural representation of drawing concentrating solar comprehensive collection shown in the accompanying drawing 1A and reforming unit from other direction.
It shown in the accompanying drawing 2A structural representation of the described beam condensing unit of the specific embodiment of the present invention.
Accompanying drawing 2B is the light path sketch of beam condensing unit shown in the accompanying drawing 2A.
Accompanying drawing 3A is the structural representation of described light-dividing device of the specific embodiment of the present invention and the sunlight use device that cooperates with it.
Accompanying drawing 3B is when adopting silicon dioxide and tantalum pentoxide as the filtering material, concerns schematic diagram between incident wavelength and the transmissivity.
Accompanying drawing 3C is the structural representation of the solar illumination apparatus shown in accompanying drawing 1B and the accompanying drawing 3A.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to a kind of concentrating solar comprehensive collection provided by the invention and reforming unit.
Be the structural representation of described concentrating solar comprehensive collection of this embodiment and reforming unit shown in the accompanying drawing 1A, comprise base 10, support 11, beam condensing unit 12 and light-chasing device 14.After solar irradiation is incident upon beam condensing unit 12, be focused to the center of beam condensing unit 12 and be incident upon the back side of beam condensing unit 12 shown in Figure 1, be provided with (hereinafter will be described in detail) such as light-dividing device and sunlight use devices herein, sunlight is further utilized.Light-chasing device 14 comprises two stepping motors, and one of them motor is realized the angle scanning on the horizontal plane, and the another one motor is realized the angle scanning of vertical direction.The gear 141 that is arranged on base 10 horizontal planes shown in Figure 1 is realized the Electric Machine Control of horizontal plane angle surface sweeping, and stepping motor drives beam condensing unit 12 by turbine and worm (gear) structure, realizes the angle scanning on the horizontal plane.
Accompanying drawing 1B is a structural representation of drawing concentrating solar comprehensive collection shown in the accompanying drawing 1A and reforming unit from other direction, can see the structure that in accompanying drawing 1A, is blocked, comprise light-dividing device 13, solar illumination apparatus 151 and constitute light-chasing device 14 another vertically disposed gears 142.The sunlight that beam condensing unit 12 is collected is conducted to light-dividing device 13.Light-dividing device 13 is separated into independently light of multi beam with the sunlight of collecting according to wave band, and imports corresponding sunlight use device respectively into, and this embodiment promptly comprises solar illumination apparatus 151, and what this device utilized is the visible light wave range of sunlight.Vertically disposed gear 142 is connected with beam condensing unit 12 by bearing, makes beam condensing unit 12 realize the angle scanning of vertical direction.
During the implementation of light-chasing device 12 had a lot, present embodiment had adopted the light-chasing device that is built-in with position of sun and longitude and latitude and time relation data storehouse.Light-chasing device 12 is collected and on-site longitude and latitude of reforming unit and time by reading solar energy composite, calculates the position of the sun automatically, and drives the angle scanning on two stepping motors realization horizontal planes and the vertical plane, to realize the tracking to sunlight.This advantage of following spot system automatically is to have save the position of sun detector, thereby has reduced the extra power consumption that drives detector and bring and saved the shared solar light irradiation area of detector, has therefore improved the comprehensive utilization ratio of sunlight.
Be the structural representation of the described beam condensing unit 12 of this embodiment shown in the accompanying drawing 2A, comprise two confocal paraboloidal reflectors, first reflector 21 and second reflector 22, and a glass lens 23.The area of first reflector 21 is greater than the area of second reflector 22, and both are oppositely arranged and are used to gather and compress sunlight, and the effect of glass lens 23 is the solar light focusing after the compression so that later use.
Accompanying drawing 2B is the light path sketch of beam condensing unit shown in the accompanying drawing 2A.Can clearly find out from accompanying drawing 2B, two reflectors 21 and 22 reflecting surface are oppositely arranged, and focus overlaps, and the sunlight that is radiated on first reflector 21 is gathered on the area that second reflector 22 is comprised by two secondary reflections, makes the easier focusing of sunlight.The center of first reflector 21 has a through hole, and glass lens 23 is arranged on this through hole, and specifically, glass lens is arranged on the light path by the reflection ray of second reflector 22, to focus on the parallel sunlight that reflects from second reflector 22.From top narration as can be seen, beam condensing unit 12 can be with larger area incident solar light focusing on a very little focus, accepts and handles thereby be convenient to the rear end.A kind of implementation of above beam condensing unit 12, those skilled in that art can also design the beam condensing unit of other structures, reach the purpose that sunlight is gathered.
Accompanying drawing 3A is the structural representation of described light-dividing device 13 of this embodiment and the sunlight use device that cooperates with it.Light-dividing device 13 comprises a visible light filter plate 31 and a total reflection sheet 32, and both are fixed on the rotating mechanism 33.The sunlight use device comprise that solar illumination apparatus 151 and device of solar generating 152(device of solar generating 152 herein also replaces with solar heat collector).Visible light filter plate 131 is made of glass and the filtering material that is coated in glass surface.The filtering material is selected from the double-deck coating materials that certain difference is arranged in refractive index, and such as but not limited to the double-deck rete that silicon dioxide and tantalum pentoxide constitute, this visible light filter plate 131 can be with visible transmission, and light infrared and ultraviolet band is reflected.So in the two-beam that is separated, a branch of visible light that comprises, and another bundle comprises infrared light and ultraviolet light.The effect of total reflection sheet 32 is to drive the position of this total reflection sheet 32 to the visible light filter plate 31 shown in the accompanying drawing 3A by rotating mechanism 33, cut off incident light and enter to solar illumination apparatus 151, play the effect of optical switch, on the other hand, when device of solar generating 152(or solar heat collector) when needing visible light to participate in, total reflection sheet 32 can play visible light is directed into device of solar generating 152(or solar heat collector) effect.
Also can be by changing the filtering material of light-dividing device 13, make each bar in the multi beam independence light that is separated all comprise at least a in ultraviolet light, visible light and the infrared light independently of one another.For example be separated into a branch of visible light and infrared light, and another bundle is ultraviolet light, perhaps a branch of is visible light and ultraviolet light, and another bundle is an infrared light etc.
Accompanying drawing 3B is when adopting silicon dioxide and tantalum pentoxide as the filter coating materials, relation between incident wavelength and the transmissivity, as can be seen from the figure, visible light wave range at 400～800nm, the transmissivity of incident light is near 100%, and at the infrared band of 800～1200nm and the ultraviolet band below the 400nm, the transmissivity of incident light is approaching with 0.That is to say, the infrared and ultraviolet band on ordinary meaning, incident light is reflected, and at visible light wave range, the whole transmissions of incident light.Though there is the situation of part transmission again in the part outside the 1400nm wavelength, because sunlight has been very weak in the intensity of this wave band, so not at the row of consideration.
Accompanying drawing 3C is the structural representation of the solar illumination apparatus 151 shown in accompanying drawing 1B and the accompanying drawing 3A, comprises a glass awl post 351 and a photoconductive tube 353.The shape of glass awl post 351 is cylinders, and the diameter of end face and bottom surface is inequality.The bigger end of diameter of glass awl post 351 is aimed at the visible light that transmits from the visible light filter plate 131 of light-dividing device 13, the end alignment light conduit 353 that diameter is less, diameter than small end should be consistent with the diameter of photoconductive tube 353, so that visible light all is directed into photoconductive tube 353.Glass awl post 351 can also make light being evenly distributed therein, prepares for the rear end receives.Photoconductive tube 353 is selected from a kind of in hollow plastic tube, glass fibre, plastic optical fibre and the solid core fibres.The effect of photoconductive tube 353 is drawn light from the end of glass awl post 351, receive the underground space or lucifuge place, realizes the natural lighting to the lucifuge place.
The device of solar generating 152 of accompanying drawing 3A indication can be the concentrating solar electricity generation module, if replace solar heat collector, then can be vacuum heat-collecting tubular type heating module.Certainly, also can be thermoelectric device for interchanging etc.Thermoelectric device for interchanging is meant under device of solar generating and solar heat collector and the situation of depositing, will selects to import device of solar generating or solar heat collector from the reverberation of light-dividing device 13 as required.So-called concentrating solar electricity generation module specifically can be that solar energy composite is collected and reforming unit, comprise with monocrystalline silicon, polysilicon or compound semiconductor are collected and reforming unit as the solar energy composite of basic material, herein even many group solar energy composites can further be set collect and reforming units, the absorbing wavelength that every group of solar energy composite collected with reforming unit has nothing in common with each other, and employing and light-dividing device 13 similarly install, the light of different-waveband is dispensed to different solar energy composite collection and reforming unit, to realize the combined type utilization to sunlight, this kind design also should be considered as within technical conceive scope of the present invention.
The present invention can make ultraviolet can both utilize to effective to infrared light: visible light is when having lighting demand, can be used for improving indoor, the illumination in inferior space, meanwhile, harmful ultraviolet, and carry the maximum infrared band sunlight of heat and be collected in the specific water heater or Photospot solar, be used for heating or power supply.When not needing to throw light on, all spectrum all is switched in generating/heating module, is used for generating or heating.Native system adopts the system of following spot automatically of no detector, makes that the comprehensive utilization ratio of sunlight is the highest.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. concentrating solar comprehensive collection and reforming unit comprise beam condensing unit, it is characterized in that:
Also comprise light-dividing device and a plurality of sunlight use device;
Described beam condensing unit is used to collect sunlight and conducts to light-dividing device;
Described light-dividing device is separated into independently light of multi beam with the sunlight of collecting according to wave band, and imports corresponding sunlight use device respectively into;
Described a plurality of sunlight use device utilizes the sunlight of different-waveband separately.
2. concentrating solar comprehensive collection according to claim 1 and reforming unit, it is characterized in that, each bar all comprises at least a in ultraviolet light, visible light and the infrared light independently of one another in the multi beam independence light that described light-dividing device separated, and sunlight use device correspondence comprises solar illumination apparatus and solar energy heating/Blast Furnace Top Gas Recovery Turbine Unit (TRT).
3. concentrating solar comprehensive collection according to claim 1 and 2 and reforming unit, it is characterized in that, described light-dividing device comprises one or more filter plate, described filter plate can be with the transmittance of a designated band, and the light of all the other each wave bands is reflected, the light of each filter plate reflection different-waveband.
4. concentrating solar comprehensive collection according to claim 3 and reforming unit is characterized in that, described light-dividing device comprises a visible light filter plate, and the filtering material of described filter plate is selected from the discrepant double-deck coating materials of refractive index.
5. concentrating solar comprehensive collection according to claim 4 and reforming unit, it is characterized in that, described filter plate is the visible light filter plate, the double-deck coating materials that constitutes described visible light filter plate is respectively silicon dioxide and tantalum pentoxide, this visible light filter plate can be with visible transmission, and with the light reflection of infrared and ultraviolet band.
6. concentrating solar comprehensive collection according to claim 3 and reforming unit is characterized in that, described light-dividing device further comprises a total reflection sheet, and described total reflection sheet all has reflex to the visible light of all wave bands.
7. concentrating solar comprehensive collection according to claim 2 and reforming unit, it is characterized in that, described solar illumination apparatus comprises a glass awl post and a photoconductive tube, the bigger end of diameter of described glass awl post is aimed at from the isolated visible light of light-dividing device the end alignment light conduit that diameter is less.
8. concentrating solar comprehensive collection according to claim 1 and reforming unit is characterized in that, further comprise the sunlight light-chasing device.
9. concentrating solar comprehensive collection according to claim 8 and reforming unit, it is characterized in that, described light-chasing device is built-in with position of sun and longitude and latitude and time relation, can collect and on-site longitude and latitude of reforming unit and time by reading described solar energy composite, automatically calculate the position of the sun, to realize following spot to sunlight.
10. according to Claim 8 or 9 described concentrating solar comprehensive collection and reforming units, it is characterized in that, described light-chasing device further comprises two stepping motors, and one of them motor is realized the angle scanning on the horizontal plane, and the another one motor is realized the angle scanning of vertical direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010565663XA CN102074606B (en) | 2010-11-30 | 2010-11-30 | Light-concentrating solar comprehensive collecting and reforming unit |
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| CN201010565663XA CN102074606B (en) | 2010-11-30 | 2010-11-30 | Light-concentrating solar comprehensive collecting and reforming unit |
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| CN102074606A true CN102074606A (en) | 2011-05-25 |
| CN102074606B CN102074606B (en) | 2013-03-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289727A (en) * | 2018-08-20 | 2019-02-01 | 昆明理工大学 | A kind of separate type spectrum solar energy photocatalytic reaction system |
| CN113154327A (en) * | 2021-04-12 | 2021-07-23 | 东华大学 | Light splitting type solar energy transmission system |
| CN114132981A (en) * | 2021-12-14 | 2022-03-04 | 西安交通大学 | Desalination system and method based on solar light splitting-radiation cooling |
| CN114321821A (en) * | 2022-01-19 | 2022-04-12 | 中国人民解放军国防科技大学 | Lighting device suitable for leading-in type sunlight lighting system and light following method thereof |
| CN114366832A (en) * | 2022-01-19 | 2022-04-19 | 中国人民解放军国防科技大学 | Leading-in type sunlight illumination and bacteriostasis mildew removal system |
| CN114415359A (en) * | 2022-01-19 | 2022-04-29 | 中国人民解放军国防科技大学 | Lighting device based on solar energy convergence power generation |
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| US20090277494A1 (en) * | 2005-10-21 | 2009-11-12 | Solarstructure Limited | Solar concentrators |
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| CN1313490A (en) * | 2001-04-09 | 2001-09-19 | 周文君 | Multifunctional light-gathering mixer using solar energy in full spectrum |
| US20030026536A1 (en) * | 2001-08-02 | 2003-02-06 | Edward Ho | Apparatus and method for collecting light |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109289727A (en) * | 2018-08-20 | 2019-02-01 | 昆明理工大学 | A kind of separate type spectrum solar energy photocatalytic reaction system |
| CN113154327A (en) * | 2021-04-12 | 2021-07-23 | 东华大学 | Light splitting type solar energy transmission system |
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| CN114132981B (en) * | 2021-12-14 | 2023-01-06 | 西安交通大学 | Desalination system and method based on solar light splitting-radiation cooling |
| CN114321821A (en) * | 2022-01-19 | 2022-04-12 | 中国人民解放军国防科技大学 | Lighting device suitable for leading-in type sunlight lighting system and light following method thereof |
| CN114366832A (en) * | 2022-01-19 | 2022-04-19 | 中国人民解放军国防科技大学 | Leading-in type sunlight illumination and bacteriostasis mildew removal system |
| CN114415359A (en) * | 2022-01-19 | 2022-04-29 | 中国人民解放军国防科技大学 | Lighting device based on solar energy convergence power generation |
| CN114366832B (en) * | 2022-01-19 | 2023-11-10 | 中国人民解放军国防科技大学 | Leading-in type sunlight illumination and antibacterial mildew removal system |
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