CN202737785U - High-efficiency wavelength beam splitting type solar energy integrated utilization system - Google Patents
High-efficiency wavelength beam splitting type solar energy integrated utilization system Download PDFInfo
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- CN202737785U CN202737785U CN2012203755230U CN201220375523U CN202737785U CN 202737785 U CN202737785 U CN 202737785U CN 2012203755230 U CN2012203755230 U CN 2012203755230U CN 201220375523 U CN201220375523 U CN 201220375523U CN 202737785 U CN202737785 U CN 202737785U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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 utility model provides a high-efficiency wavelength beam splitting type solar energy integrated utilization system The system comprises a wavelength beam splitter, a small included angle condenser and a rear-staged composite receiving device, wherein the small included angle condenser is disposed in front of the wavelength beam splitter in an optical path and the composite receiving device is composed of two or more receiving devices. The convergence included angle of incident light from the small included angle condenser to each wavelength beam splitter is less than or equal to 90 degrees, and the included angle is further preferably less than or equal to 60 degrees. The solar energy integrated utilization system utilizes response characteristics of different receiving devices to different solar spectra to efficiently utilize sunlight, utilizes some types of photovoltaic batteries which can efficiently respond to the radiation in partial frequency ranges of sunlight to carry out photovoltaic power generation, and at the same time utilizes the radiation in other frequency ranges of sunlight to carry out photo-thermal power generation, and thus the economical and efficient integrated utilization of solar energy in overall frequency ranges is realized, the increase in temperature of the photovoltaic batteries caused by the radiation in ranges of non response or low response is prevented, and the economical and efficient integrated utilization in overall solar radiation ranges is guaranteed.
Description
Technical field
The utility model relates to technical field of solar utilization technique, is specifically related to a kind of wavelength beam splitting type high-efficiency solar utilization system.
Background technology
Present solar energy utilization, the one, opto-electronic conversion is converted to electric energy with solar radiation light by solar cell; The 2nd, the photo-thermal conversion namely utilizes solar collecting device, the utilization of solar radiation energy energy transform into heat energy, such as solar energy thermal-power-generating, solar water heater.But photoelectricity, photo-thermal system are independently mostly.
The photoelectricity photovoltaic cell mainly contains monocrystalline silicon, polysilicon, amorphous silicon, cadmium antimonide, GaAs etc. at present, every kind of photovoltaic cell is not just the same for the sunlight spectral response curve, the position of different photovoltaic battery quantum efficiency curve of spectrum peak values is different, for example the silion cell peak wavelength is about 0.9 μ m, and selenium cell is about 0.54 μ m.The spectral region of silion cell is wide, and between 0.45 ~ 1.1 μ m, the spectral region of selenium cell is between 0.34 ~ 0.75 μ m, and is only responsive to visible light; And photovoltaic cell is for the part spectrum that comprises long wavelength's scope and insensitive, cause photon energy hv less than the energy gap E of photovoltaic cell, electronics in the valence band can't be moved to conduction band, just spectral energy is changed into heat energy, cause the temperature of photovoltaic cell itself to rise, generating efficiency descends; And present selective photothermolysis absorber coatings technology can effectively absorb solar radiation and be converted into heat energy, and absorptivity is up to 95%.How to utilize more efficiently the solar spectrum response range, avoid simultaneously the radiation of non-response range or inefficient response wave band to cause the drawback (causing whole power conversion efficiency (pce) to descend) of photovoltaic cell self-temperature rising to become the focus of research.
Summary of the invention
The utility model purpose is, overcomes photovoltaic cell described above and utilizes the not high low problem of photovoltaic efficiency that causes of solar energy spectrum efficiency in some wavelength period, and the system that more effectively utilizes the efficient comprehensive electric generating of solar spectral is provided.
A kind of high efficiency wavelength beam splitting type solar energy composite that the utility model provides utilizes system, it is characterized in that system comprises one or more wavelength light-dividing devices, place the composite received device that is comprised of two or more receiver of the clip angle single beam condensing unit of light path medium wavelength light-dividing device prime and rear class; The light that described clip angle single beam condensing unit incides each wavelength light-dividing device converges angle less than or equal to 90 °.Further, described composite received device is divided into photo-thermal receiver and at least a photovoltaic receiver according to the difference that receives wavelength, and photovoltaic receiver receives the light ray energy of corresponding high conversion efficiency wavelength, and the photo-thermal receiver receives other band of light heat input.
Further, has a kind of photovoltaic receiver of monocrystalline silicon battery that is in the described composite received device at least.
Further, form certain angle between described a plurality of wavelength light-dividing devices and arrange, receive separately light and converge angle less than or equal to the incident ray of 90 degree.
Preferably, the single beam condensing unit light that incides each wavelength light-dividing device in described clip angle converges angle less than or equal to 60 °; To guarantee that light enters light-dividing device in less angle excursion, can more well effectively solar spectrum be separated by wavelength, realize the efficient utilization in each spectral region.
Further, the single beam condensing unit light that incides each wavelength light-dividing device in described clip angle converges angle less than or equal to 40 °.
Further, described clip angle single beam condensing unit is parabolic trough type reflecting condensation, Fresnel array reflecting and condensing device or long-focus transmission-type beam condensing unit.
Further, described clip angle single beam condensing unit is long-focus transmission-type beam condensing unit, such as long-focus convex lens or long-focus Fresnel Lenses.
Further, the mirror bar in the described Fresnel array reflecting and condensing device array is slot type curved mirror bar, and the slot type curved mirror bar of a plurality of arrays is implemented unified the tracking, with sunlight, reflex in the composite received device.
Further, described wavelength light-dividing device adopts wavelength pellicle spectroscope that the incident light that converges is carried out transmission, reflection selection light splitting.
Further, described wavelength light-dividing device adopts prism spectroscope or prism spectroscope group that incident light is reflected and selects the wavelength light splitting.
Further, the movable adjusting of described wavelength light-dividing device is allocated the light ratio example that is subjected to of each receiver.
Further, the optical path length of each receiver reception light splitting light approaches in the described composite received device; Be that each receiver approaches from the light optical path length that clip angle single beam condensing unit (perhaps from the wavelength optical splitter) arrives each receiver surface in the composite received device, has close tracking tolerance precision, have good tracking uniformity, and can receive well the interior light of spectral region that the wavelength light-dividing device separates.
Further, described composite receiver comprises secondary optic (secondary light condensing device), for example the secondary light condensing device that has of photo-thermal receiver and photovoltaic receiver.
Further, the heat energy of described photo-thermal receiver acquisition carries out photo-thermal power generation or industry and life utilization for promoting heat engine.
Further, comprise thermal storage in the described utilization system, the photo-thermal receiver stores up the heat that receives in the thermal storage, in order to using.Further, described utilization system is implemented photo-thermal power generation and photovoltaic generation cooperation; Daytime, sunlight carried out photovoltaic generation by the photovoltaic receiving system, and utilized thermal storage to preserve the heat that the photo-thermal receiver absorbs; When photovoltaic generation can not be stablized output, utilize the heat of thermal storage inside to come photo-thermal power generation to replenish, guarantee the stability of described utilization system generating output.
High efficiency wavelength beam splitting type solar energy composite utilizes the existing solar utilization technique of system that following advantage is arranged: 1, the more independent photovoltaic generating system of this comprehensive generating system has reduced the main hot joining receipts of photovoltaic cell, so that heat radiation pressure and working temperature descend, generating efficiency improves; 2, the photovoltaic generating system direct generation of electricity on daytime; Solar-thermal generating system receives efficient reception conversion and the storage that photovoltaic efficient absorption wavelength wave band energy in addition carries out heat daytime, and spectrum efficient absorption solar energy improves total energy approach efficient entirely; Carry out the steam turbine power generation compensation adjustment at cloud or cloudy day or night having in addition, with the photovoltaic effective supplement, make the electric power stable output, reduce electrical network is impacted, and realize peak regulating function; 3, this comprehensive solar energy utilization system can efficiently be utilized the solar spectrum all band, can obtain the more energy under identical condenser system cost, thereby reduces energy cost.
Description of drawings
Fig. 1 a is the first example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system;
Fig. 1 b is the corresponding transmission ratio of wavelength light-dividing device different wave length curve chart;
Fig. 2 is the cross section structure schematic diagram of the first embodiment composite received device and wavelength light-dividing device;
Fig. 3 is the second example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system;
Fig. 4 is the 3rd example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system;
Fig. 5 is the process route view of embodiment of the present utility model.
Embodiment
With reference to the accompanying drawings specific embodiments of the present utility model is described in detail.
Fig. 1 a is the first example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system; As shown in Figure 1a, utilization system comprises a wavelength light-dividing device 11, places the composite received device 13 that is comprised of two kinds and above receiver of the clip angle single beam condensing unit 12 of wavelength light-dividing device 11 light path primes and rear class.The light that clip angle single beam condensing unit 12 incides each wavelength light-dividing device converges angle less than or equal to 90 °, in the description, with light path incident direction definition critical piece relative position relation, sunray incident clip angle single beam condensing unit (light path prime), through (light path middle rank) behind the wavelength light-dividing device 11, then arrive composite received device 13(light path rear class) finish comprehensive utilization; In addition, single is defined as the incident sunlight only through the reflecting condensation process of a fundamental reflection beam condensing unit or only through the transmission optically focused process of basic transmission beam condensing unit once, said process is defined as basic optically focused, but to receive divergent rays, tracing deviation light designing for auxiliary optically focused (secondary condensation) as purpose, for example reflection or the transmission process of reflective or transmission-type secondary optic are not defined as basic optically focused; Little angle is defined as the light angle that incides on each wavelength light-dividing device, when the wavelength light-dividing device is two or more, is gathered and total incident ray angle of obtaining may be larger by incident ray angle separately, for example surpasses 120 °, even more; Only has a wavelength light-dividing device among this first embodiment, its little angle corresponds to incident ray and converges angle, be that the reflection ray that the outward flange of the outermost both ends mirror bar 19 of unit, mirror field and mirror bar 10 is incident to composite received device 13 forms, such as angle A; Preferably, the angle of this clip angle single beam condensing unit 12 is less than or equal to 60 °, optimum turns to less than or equal to 40 °, the angle of incident light of wavelength light-dividing device 11 is near the angle of incidence of light degree (such as 45 °) that designs, incident angle difference less (for example positive and negative 20 °, positive and negative 30 °, positive and negative 45 °), to guarantee that light-dividing device can separate solar spectrum according to the spectrophotometric spectra curve that designs well, realizes the efficient utilization of each spectral region section; Particularly, clip angle single beam condensing unit 12 is Fresnel array beam condensing unit, and wherein, the mirror bar 19 in the reflecting and condensing device array can be flat reflective mirror bar; Preferably, the mirror bar 19 in the reflecting and condensing device array is slot type curved mirror bar, and the slot type curved reflector mirror bar 19 of a plurality of arrays is implemented unified the tracking, and sunlight is converged, reflexes in the composite received device 13; Moreover the optical path length of each receiver reception light splitting light approaches in the composite received device 13; Namely from clip angle single beam condensing unit 12(or from wavelength light-dividing device 11) the light optical path length that arrives each receiver surface the composite received device 13 approaches, have close tracking tolerance precision and good tracking uniformity, and can receive well the interior light of spectral region that wavelength light-dividing device 11 separates.
Among Fig. 1 a, composite received device 13 comprises photo-thermal receiver 15 and at least a photovoltaic receiver 14, realizes the mixed high-efficient utilization in spectral region separately of solar energy optical-thermal, photovoltaic system; (among the another kind of embodiment, composite received device 13 comprises at least a photovoltaic receiver 14 according to the difference that receives wavelength, multiple photovoltaic receiver 14 has each self-corresponding efficient solar spectral response range, realizes efficiency power generation respectively in spectral region separately); Photovoltaic receiver 14 comprises photovoltaic cell 16, photovoltaic cell 16 can be multi-junction photovoltaic battery, and GaAs three junction batteries for example absorb the light of different spectral regions at the different layers of multi-junction photovoltaic battery layer, the most efficient spectral responsivity that utilizes solar spectrum improves power conversion efficiency (pce); Photovoltaic cell can be the unijunction photovoltaic cell, and such as monocrystalline silicon, polysilicon, amorphous silicon etc. receives only reflection or the special spectrum scope of transmission, and the close layout of multiple unijunction photovoltaic cell receives the light that wavelength light-dividing device 11 selects light splitting to obtain; Preferably, at least a in the composite received device 13 is the photovoltaic receiver of monocrystalline silicon battery.Wavelength light-dividing device 11 adopts wavelength pellicle spectroscope that the incident light that converges is carried out transmission, reflection selection light splitting, after wherein transmitted ray passes spectroscope, continue to converge on the photo-thermal absorber 17 and be converted into heat energy, reflection ray converges on the photovoltaic cell 16 and is converted into electric energy after being reflected by spectroscope.Simultaneously, the movable adjusting of wavelength light-dividing device, the light ratio example that is subjected to each receiver is allocated, when the wavelength light-dividing device places Fig. 1 position, because spectroscopical effect is converged light according to a minute light curve, the light of a part of wavelength is reflected on the photovoltaic cell 16, the transmission of part light converges on the photo-thermal receiver 17, and the reception ratio of photo-thermal photovoltaic is relevant with the ratio that the spectrophotometric spectra curve is determined; When the rotation of wavelength light-dividing device, to leave when converging the light position, all converge light and all shine on the photo-thermal receiver, all for generation of heat energy.Further, described reflecting part is certain specific wavelength spectral region, and for example part ultraviolet spectra, part limit of visible spectrum are implemented, and reflex to photovoltaic receiver 14; Described transmissive portion is the spectral region outside the reflecting part, for example part ultraviolet spectra, part visible spectrum, near infrared spectrum, far red light spectral limit, being transmitted through photo-thermal receiver 15(also can be with the selective spectral radiation transmission to photovoltaic receiver 14 in another kind of embodiment, and the remainder spectral radiance reflexes to photo-thermal receiver 15); Whole implementation high-efficiency solar spectral separation is utilized, improve photovoltaic cell capable of generating power efficient and (reduce the reception of low spectrum responsiveness range of spectra, namely reduced the conversion of energy to heat, guarantee photovoltaic cell efficiency power generation and ideal operation temperature), be heat energy with remainder spectral radiance Efficient Conversion, promote the solar energy composite utilization ratio.
Fig. 1 b is the corresponding transmission ratio of wavelength light-dividing device different wave length curve chart; Minute distribution curve flux with reference to figure 1b, this light splitting is designed to have high reflectance between the 650nm-900nm wavelength, all the other wave bands are transmission, optical absorption is very low, what therefore receive on the monocrystalline silicon battery is the light of 650-900nm wavelength, on this wavelength, monocrystalline silicon battery conversion efficiency very high (for example electromotive power output surpasses 40% even 50% with the ratio of the luminous power of this section of input wavelength), and the solar radiation energy in this wave band is about the 300W/ square meter, account for 30% of whole amount of radiation, so photovoltaic is 30%*(40% ~ 50% to the conversion efficiency of whole sunlights partly)=12% ~ 15%; Remaining 70% solar radiation, after 15 receptions of photo-thermal receiver, when being used for the CSP photo-thermal power generation, its photoelectric conversion efficiency is about 13% ~ 16%, corresponding whole Solar thermal conversion efficient are 70%*(13% ~ 16%)=9.1% ~ 11.2%, comprehensively get off, the total electricity transformation efficiency of photo-thermal, photovoltaic generation is 12% ~ 15%+9.1% ~ 11.2%=21.1% ~ 26.2%, far above single photovoltaic or single photo-thermal power generation efficient.
Photo-thermal receiver 15 comprises photo-thermal absorber 17, and its inner heat transfer medium is conduction oil or water; In order to heat is transmitted, stores or through after the heat exchange, also can directly produce superheated steam and enter electricity generation system and promote heat engine and generate electricity; Location right has been illustrated the composite received device 13 local structural representation figure that amplify among Fig. 1.
Further, photovoltaic receiver 14 changes into electric energy with spectral radiance, through inverter, transformer, device for transporting electricity at heavy, exports or is incorporated into the power networks; Utilization system comprises thermal storage; The heat delivery that the radiation that photo-thermal receiver 15 will receive daytime produces is to thermal storage, carry out heat exchange at night through heat exchanger and become superheated vapor, so the heat energy of photo-thermal receiver 15 acquisitions carries out photo-thermal power generation or industry and life utilization for promoting heat engine.
Fig. 2 is the cross section structure schematic diagram of the first embodiment composite received device and wavelength light-dividing device; As shown in Figure 2, composite received device 13 comprises photovoltaic receiver 14 and photo-thermal receiver 15, and the two is separated by wavelength light-dividing device 11, receive respectively the reflection beam splitting of wavelength light-dividing device 11 and the transmission light splitting is generated electricity or heat receives, wherein photo-thermal receiver 15 changes into heat by heat collector 17 with spectral radiance; The light of clip angle single beam condensing unit converges angle less than or equal to 90 °, and preferably light converges angle less than 60 °, and optimum is less than 40 °; Wherein light converges the reflection ray institute angulation that outward flange that angle is defined as the outermost both ends mirror bar of unit, mirror field is incident to composite received device 13, shown in angle A among Fig. 2.
Fig. 3 is the second example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system; As shown in Figure 3, utilization system comprises wavelength light-dividing device 31, places the composite received device that is comprised of two kinds and above receiver of clip angle single beam condensing unit 32 before wavelength light-dividing device 31 light paths and rear class.Wherein, clip angle single beam condensing unit 32 is the direct beam condensing unit of low-angle single (after being the reflection of beam condensing unit of incident sunray process, being incident to the composite received device with low-angle); The angle of clip angle single beam condensing unit 32 is less than or equal to 90 °; Preferably, the angle of described clip angle single beam condensing unit can be separated solar spectrum well less than or equal to 60 °, realizes the efficient utilization in each spectral region; Particularly, clip angle single beam condensing unit 32 is tower beam condensing unit, and receiving the tower periphery has a plurality of heliostat systems, sunlight is converged at the composite received device of middle position; The composite received device comprises photovoltaic receiver 34 and photo-thermal receiver 35, and integral arrangement receives the top of tower in central authorities; The photovoltaic receiver 34 of composite received device is wavelength light-dividing device 31 with the prime that photo-thermal receiver 35 is arranged in the light path among Fig. 3, and this wavelength light-dividing device 31 adopts wavelength pellicle spectroscope that the incident light that converges is carried out transmission, reflection selection light splitting (wavelength light-dividing device 31 also adopts prism spectroscope or prism spectroscope group that incident light is reflected and selects the wavelength light splitting); Whole implementation high-efficiency solar spectral separation is utilized, and improves photovoltaic cell capable of generating power efficient (reduce the reception of spectrum in the low spectrum responsiveness scope, namely reduced the conversion of energy to heat, guarantee photovoltaic cell efficiency power generation and ideal operation temperature).This embodiment two has composite received device and the combined operation system identical or similar with embodiment one, does not carry out long description herein.
Fig. 4 is the 3rd example structure schematic diagram that high efficiency wavelength beam splitting type solar energy composite of the present utility model utilizes system; As shown in Figure 4, utilization system comprises the first wavelength light-dividing device 411 and second wave length light-dividing device 412, places the composite received device 430 that is comprised of two kinds and above receiver of the clip angle single beam condensing unit 421 of light path prime and rear class; Wherein composite received device 430 comprises the first photovoltaic receiver 441 and the second photovoltaic receiver 442 and photo-thermal receiver 450; The first photovoltaic receiver 441 and the second photovoltaic receiver 442 respectively corresponding the first wavelength light-dividing device 411 reflect with second wave length light-dividing device 412 and separate solar spectrum, and photo-thermal receiver 450 receives the light of the first wavelength light-dividing devices 411 and 412 the two the common transmission of second wave length light-dividing device; Composite received device 430 is at least a photovoltaic receiver of monocrystalline silicon battery that is, namely photovoltaic cell 461 or photovoltaic cell 462 are at least a is monocrystalline silicon battery.The light that clip angle single beam condensing unit 421 incides each wavelength light-dividing device converges angle less than or equal to 90 °; Preferably, the light of this clip angle single beam condensing unit 421 converges angle less than or equal to 60 °, and optimum turns to less than or equal to 40 °; Comprise two wavelength light-dividing devices among the 3rd embodiment that illustrates among Fig. 4, the little angle of the incident ray that each wavelength light-dividing device is corresponding is respectively angle A and the angle B among the figure; The angle of incident light of wavelength light-dividing device 411 or wavelength light-dividing device 412 is near design incident angle (such as 45 °), incident angle difference less (for example positive and negative 20 °, positive and negative 30 °, positive and negative 45 °), to guarantee that light-dividing device can separate solar spectrum according to the spectrophotometric spectra curve that designs well, realizes the efficient utilization of each spectral region section; Particularly, clip angle single beam condensing unit 421 is the parabolic trough type reflecting and condensing device, and wherein, the optical path length of each receiver reception light splitting light approaches in the composite received device 430; Namely from clip angle single beam condensing unit 421(or from wavelength optical splitter 11) the light optical path length that arrives each receiver surface the composite received device 430 approaches, has close tracking tolerance precision, have good tracking uniformity, and can receive well the interior light of spectral region that wavelength light-dividing device 411 separates with wavelength light-dividing device 412.
Fig. 5 is the process route view of embodiment of the present utility model; As shown in Figure 5, fine line be utilization system running route, dotted line by day be night running route, doublet of short duration in irradiation running route situation for occurring; Have daytime in the light situation, clip angle single beam condensing unit 512 receives sunlights, with reverberation be incident to before the combined condenser process spectrum through wavelength light-dividing device 511 after; Wherein, photovoltaic receiver 514 receives wavelength light-dividing device 511 isolated specific spectrophotometric spectras and the electrical power that produces stablize through device for transporting electricity at heavy 516 and is exported or be incorporated into the power networks (shown in the solid line); The photo-thermal receiver will receive heat that the light outside the photovoltaic cell absorption spectrum produces 515 daytimes and it will be stored in shown in the thermal storage 517(solid line) in, heat exchange becomes steam through heat exchanger at night, promotes heat engine and carries out photo-thermal power generation (shown in the dotted line); When solar energy composite electricity generation system by day in the of short duration unglazed or low light level situation, can start heat engine and generate electricity, implement uninterruptable power generation on daytime (shown in the doublet).
Obviously, under the prerequisite that does not depart from true spirit of the present utility model and scope, the utility model described here can have many variations.Therefore, all are predictable change to those skilled in the art, all should be included within the scope that these claims contain.The utility model scope required for protection is limited by described claims.
Claims (16)
1. a high efficiency wavelength beam splitting type solar energy composite utilizes system, it is characterized in that described system comprises one or more wavelength light-dividing devices, place the composite received device that is comprised of two or more receiver of the clip angle single beam condensing unit of light path medium wavelength light-dividing device prime and rear class; The light that described clip angle single beam condensing unit incides each wavelength light-dividing device converges angle less than or equal to 90 °.
2. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, described composite received device is divided into photo-thermal receiver and at least a photovoltaic receiver according to the difference that receives wavelength.
3. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, has a kind of photovoltaic receiver of monocrystalline silicon battery that is in the described composite received device at least.
4. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, forms certain angle between described a plurality of wavelength light-dividing devices and arranges, receives separately light and converges angle less than or equal to the incident ray of 90 degree.
According to claim 1 or 4 described a kind of high efficiency wavelength beam splitting type solar energy composites utilize system, it is characterized in that the light that described clip angle single beam condensing unit incides each wavelength light-dividing device converges angle less than or equal to 60 °.
6. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 5 utilizes system, it is characterized in that, the light that described clip angle single beam condensing unit incides each wavelength light-dividing device converges angle less than or equal to 40 °.
7. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, described clip angle single beam condensing unit is parabolic trough type reflecting condensation, Fresnel array reflecting and condensing device or long-focus transmission-type beam condensing unit.
8. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 6 utilizes system, it is characterized in that, the mirror bar in the described reflecting and condensing device array is slot type curved mirror bar.
9. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, described wavelength light-dividing device adopts wavelength pellicle spectroscope that the incident light that converges is carried out transmission, reflection selection light splitting.
10. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, described wavelength light-dividing device adopts prism spectroscope or prism spectroscope group that incident light is reflected and selects the wavelength light splitting.
11. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that the movable adjusting of described wavelength light-dividing device is allocated the light ratio example that is subjected to of each receiver.
12. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, the optical path length of each receiver reception light splitting light approaches in the described composite received device.
13. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that described composite receiver comprises secondary light condensing device.
14. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 1 utilizes system, it is characterized in that, the heat energy that described photo-thermal receiver obtains carries out photo-thermal power generation or industry and life for the promotion heat engine and utilizes.
15. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 13 utilizes system, it is characterized in that, comprises thermal storage in the described utilization system.
16. a kind of high efficiency wavelength beam splitting type solar energy composite according to claim 14 utilizes system, it is characterized in that described utilization system enforcement photo-thermal power generation and photovoltaic generation cooperation.
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| CN103580601A (en) * | 2012-07-30 | 2014-02-12 | 北京兆阳光热技术有限公司 | Efficient wave length light-splitting type solar energy comprehensive utilization system |
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| CN105099359A (en) * | 2015-08-11 | 2015-11-25 | 中国科学技术大学先进技术研究院 | Distributed light-gathering light-splitting solar energy comprehensive utilization system |
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| CN103258894B (en) * | 2013-04-16 | 2015-07-01 | 杨浩仁 | Solar energy electric heat utilization device and utilization method thereof |
| CN103236463A (en) * | 2013-04-17 | 2013-08-07 | 中国科学技术大学 | Solar concentration and frequency division photovoltaic photo-thermal comprehensive utilization device |
| CN104467630A (en) * | 2014-11-20 | 2015-03-25 | 华中科技大学 | Efficient light condensation power generating device based on solar gradient utilization |
| CN105099359A (en) * | 2015-08-11 | 2015-11-25 | 中国科学技术大学先进技术研究院 | Distributed light-gathering light-splitting solar energy comprehensive utilization system |
| CN107178913A (en) * | 2017-06-29 | 2017-09-19 | 亚太兆业有限公司 | Floating type point Jiao's Fresnel optically focused energy-collecting device |
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