CN104901625B - A kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy - Google Patents
A kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy Download PDFInfo
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- CN104901625B CN104901625B CN201510272559.4A CN201510272559A CN104901625B CN 104901625 B CN104901625 B CN 104901625B CN 201510272559 A CN201510272559 A CN 201510272559A CN 104901625 B CN104901625 B CN 104901625B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/422—Vertical axis
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E10/52—PV systems with concentrators
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Abstract
The invention discloses a kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy.The system includes beam condensing unit, photovoltaic cell component and frequency dividing heat collector, the frequency dividing heat collector is arranged on above the spot position of the beam condensing unit, and the photovoltaic cell component is located on the beam condensing unit and the underface for dividing heat collector, the frequency dividing heat collector includes frequency divider and thermal-collecting tube；The sunshine on the beam condensing unit is incided to reflect and gather on the frequency dividing heat collector, sunshine frequency dividing is near infrared light and ultraviolet light, visible ray by the frequency divider, the near infrared light and ultraviolet light are directly transmitted to the thermal-collecting tube from frequency divider and are absorbed, it is changed into heat energy, the visible reflectance to the photovoltaic cell component is changed into electric energy by the frequency divider by the photovoltaic cell component.Using the present invention, the energy that sunshine can be made full use of to compose entirely, the energy conversion efficiency of whole system is improved.
Description
Technical field
The present invention relates to technical field of solar utilization technique, more particularly to a kind of photovoltaic light of the full spectrum frequency dividing regulation and control of solar energy
Heat integration system.
Background technology
Predicted according to International Energy Agency IEA, to the year two thousand fifty, solar power generation share in global power supply is up to
30%, and for accounting less than 5%, solar power generation industry contains huge market at present.Energy is especially cleaned in face of global energy
The saying of " surplus " is always all not present in the huge breach of source demand, sun power generating industry, for no other reason than that it is sufficiently low without cost,
The high technology of energy conversion efficiency occurs.
The theoretical limit of current unijunction solar cell conversion efficiency is about 30% in the full spectral limit of sunshine, therefore too
It is positive the energy more than 50% can not to be utilized effectively in spectrum.Photovoltaic and photothermal comprehensive utilization is present Solar use
One main trend, such as " vacuum tube photovoltaic and photothermal composite parabolic gathers the Chinese patent application announced the 1022589159Ath
Light device ", it is therefore an objective to the mode that compound parabolic face condenser and photovoltaic and photothermal are combined, produced photovoltaic cell using cooling medium
Heat energy and fail by photovoltaic cell absorb sunshine sorption enhanced be heat energy, improve the effective rate of utilization of solar energy.But
It is due to that photovoltaic and photothermal is integrated in same module with vacuum tube, influences each other, causes most of photovoltaic cell that is unable to and utilize
Light loss lose, cause photovoltaic cell to produce certain temperature rise as well as optically focused, have impact on photoelectric transformation efficiency.
At present, photovoltaic photo-thermal comprehensive utilization device mainly adds using sunshine direct projection photovoltaic cell and at the photovoltaic cell back side
Cooling system is filled, the radiation of visible light due to accounting for solar energy 45% accounts for solar energy to generation electric energy and heat energy on photovoltaic cell
50% near infrared light is to only producing heat energy on photovoltaic cell, therefore near infrared light is on photo-thermal cell, significantly
Thermic load and the temperature rise of photovoltaic cell are added, makes the reduction of photovoltaic cell capable of generating power efficiency, adds photovoltaic cell amount of cooling water.Such as
The Chinese patent application announced the 102779885Ath " a kind of Salar light-gathering frequency division photovoltaic photo-thermal combined production device ", is employed
Compound parabolic concentrator and solar energy frequency dividing glass, it is therefore an objective to which the near infrared light in sunshine is being irradiated to photovoltaic cell
Before, filter and reclaim, so as to reduce the temperature rise of photovoltaic cell, improve photoelectric transformation efficiency.But the invention device lays particular emphasis on raising
Photoelectric transformation efficiency, photo-thermal device are servicing unit wherein, and the function of its photo-thermal fails to be fully utilized and played,
So as to fail to improve the overall energy conversion efficiency of photovoltaic and photothermal solar system well.
In the case where ensureing the lifting of photovoltaic cell conversion ratio, the energy that how to make full use of sunshine to compose entirely, improve whole
The energy conversion efficiency of individual system becomes the urgent technical need of photovoltaic and photothermal field of comprehensive utilization.
The content of the invention
The invention provides a kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy, to make full use of the sun
The energy that light is composed entirely, improve the energy conversion efficiency of whole system.
The photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy provided by the invention includes beam condensing unit, photovoltaic electric
Pond component and frequency dividing heat collector, the frequency dividing heat collector are arranged on above the spot position of the beam condensing unit, Yi Jisuo
Photovoltaic cell component is stated to be located on the beam condensing unit and the underface for dividing heat collector, the frequency dividing heat collector bag
Include frequency divider and thermal-collecting tube；
Incide the sunshine on the beam condensing unit to reflect and gather on the frequency dividing heat collector, the frequency dividing dress
It is near infrared light and ultraviolet light, visible ray to put sunshine frequency dividing, and the near infrared light and ultraviolet light are by the thermal-collecting tube
Absorb, be changed into heat energy, the frequency divider is by the visible reflectance to the photovoltaic cell component, by the photovoltaic cell
Component is changed into electric energy.
Preferably, the beam condensing unit includes slot-shaped reflective mirror, the slot-shaped reflective mirror for continous way or divide connection formula,
The inner surface of the slot-shaped reflective mirror is using total reflection silver surface or metallized film, the cross sectional shape bag of the slot-shaped reflective mirror
Include：Parabola face, compound parabolic face and free form surface.
Preferably, the thermal-collecting tube is made up of concentric inner and outer tubes, is vacuum between said inner tube and outer tube.
Preferably, the beam condensing unit includes butterfly concentrator, and the cross sectional shape of the butterfly concentrator includes：Parabola
Face, compound parabolic face and free form surface.
Preferably, the frequency dividing heat collector also includes the vacuum glass cover positioned at the heat collection tube, the vacuum
Vacuum is formed between cloche and the thermal-collecting tube.
Preferably, the thermal-collecting tube is the glass tube of vortex wire, the inlet/outlet pipe of the thermal-collecting tube respectively with the vacuum
The inlet and outlet connection of cloche.
Preferably, the beam condensing unit also includes support meanss, slot-shaped reflective mirror or butterfly described in the support device
Formula concentrator.
Preferably, the support meanss include support frame, rotating connector, fixed support component and tracking and driving dress
To put, support frame as described above supports the beam condensing unit, the rotating connector connection support frame as described above and the fixed support component,
The tracking and drive device connect the beam condensing unit and the fixed support component, and the tracking and drive device are according to institute
The incidence angle of the sunshine detected is stated, adjusts the angle of the beam condensing unit.
Preferably, it is provided with cooling tube between the photovoltaic cell component and the slot-shaped reflective mirror or butterfly concentrator
Road.
Preferably, collection thermal medium is filled in the thermal-collecting tube.
It can be seen that the photovoltaic and photothermal association system of regulation and control is divided according to a kind of full spectrum of solar energy provided by the invention, with showing
There is technology to compare, have the following advantages and feature：
Using solar spectrum light splitting technology, light and the infrared light in sunshine and ultraviolet will be seen that by spectrum device
Light separates.
By beam condensing unit, sunshine is assembled, improves energy density.Battery can be reduced for photovoltaic cell
Area, while improve conversion efficiency；Collecting efficiency can be improved for photothermal deformation, and then improves high temperature heat source temperature.
First pass through beam condensing unit to focus on solar photon on solar spectrum light-splitting device, obtain the photon of high-energy-density
Stream.Photon stream is after the light splitting of solar spectrum light-splitting device, it is seen that optical band photon reflects, and is irradiated to photovoltaic cell
On, absorbed；Ultraviolet and infrared photon then passes through, and is absorbed by heat collector.It is achieved thereby that different-waveband in solar spectrum
The segmentation of photon effectively utilize.
Apparatus of the present invention energy independent control photovoltaic and photothermal deformation, actively effectively utilize and account for the red of solar spectrum more than 50%
Remaining light photon is used for photovoltaic cell, abundant each several part wave band photon by outer light and ultraviolet light as collection thermal source
Respective advantage.Photovoltaic and photo-thermal can be organically combined in the entire system simultaneously, it is more excellent so as to obtain to greatest extent
The solar energy conversion efficiency of change.
Solar spectrum light-splitting device and heat collection device are combined together by the present invention, and photovoltaic module and condenser mirror are incorporated in
Together, it efficiently low-loss can separate and absorb solar photon, so as to ensure total energy conversion efficiency.
The beam condensing unit that the present invention uses for the slot type with wide application prospect and cooking-pot type light collecting device, and be equipped with
Single shaft solar tracking system, in the case of necessary light concentrating times are ensured, there is larger cost advantage or cost to decline potentiality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of knot of the photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the profile of photovoltaic and photothermal association system shown in Fig. 1；
Fig. 3 is the photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of another solar energy provided in an embodiment of the present invention
Structural representation；
Fig. 4 is the photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of another solar energy provided in an embodiment of the present invention
Structural representation；
Fig. 5 is the partial schematic diagram of photovoltaic and photothermal association system shown in Fig. 4.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
With reference to Fig. 1-Fig. 5, the photovoltaic and photothermal association system of regulation and control is divided to the full spectrum of solar energy provided by the invention
It is described in detail：
Fig. 1 and Fig. 2 are referred to, for a kind of photovoltaic and photothermal of the full spectrum frequency dividing regulation and control of solar energy provided in an embodiment of the present invention
The structural representation and its profile of association system, the system include beam condensing unit, photovoltaic cell component 21 and frequency dividing collection hot charging
Put, frequency dividing heat collector is arranged on above the spot position of beam condensing unit, and photovoltaic cell component 21 is located on beam condensing unit
With the underface of frequency dividing heat collector, frequency dividing heat collector includes frequency divider 31 and thermal-collecting tube 322；
Incide the sunshine on beam condensing unit to be reflected and gathered on frequency dividing heat collector, frequency divider 31 is by the sun
Light is separated near infrared light and ultraviolet light, visible ray, and near infrared light and ultraviolet light are directed through frequency divider 31 by thermal-collecting tube 322
Absorb, be changed into heat energy, frequency divider 31 will be seen that light reflexes to photovoltaic cell component 21, is changed into by photovoltaic cell component 21
Electric energy.
The photovoltaic and photothermal association system has certain angle with horizontal plane, its angular range：0 ° -90 °, the angle can lead to
Cross and be adjusted manually.
The beam condensing unit includes slot-shaped reflective mirror 11 and support meanss, the support device slot-shaped reflective mirror 11.
The cross sectional shape of the slot-shaped reflective mirror 11 can be, but not limited to parabola face, compound parabolic face and free form surface.
In the embodiment shown in fig. 1, the slot-shaped reflective mirror 11 is continous way, and its inner surface is using total reflection silver surface or aluminizes thin
Film.
The support meanss include support frame 12, rotating connector 13, fixed support component and tracking and drive device, the branch
Support 12 is corrugated surface support frame, and the fixation support component includes：Base 142, support post 141 is provided with base 142,
The top of support post 141 is provided with supporting plate 140, and tracking and drive device are additionally provided with the upper end of support post 141.The tracking and drive
Dynamic device is included in electric rotating machine 151, thrust bearing 150 and the sun light tracking detector that the upper end of support post 141 is provided with
152, its electric rotating machine 151 is rigidly connected by rotating connector 13 and support frame 12.The tracking and drive device can roots
The angle of incidence of sunlight detected according to sun light tracking detector, is driven by the rotation of electric rotating machine, voluntarily adjusts optically focused dress
The angle put, it is ensured that sunshine and slot-shaped reflective mirror keep optimal incident angle.
Refraction of the frequency divider 31 based on optical thin film or optical element, interference or diffraction and produce spectrum/frequency dividing
Function, the optical thin film or optical element include but is not limited to：Thin Film Filter/film, high index of refraction n1 and low-refraction n2 are situated between
The electric mutual folded array of layer material or metal-dielectric layer material, or refractive index is with the dielectric layer material of gradient thickness；
Holographic grating；Diffractive micro-optical element.
Thermal-collecting tube 322 is usually vacuum, is combined by two concentric glass 320 and 321, wherein, outside inner tube 321
Surface covers sunshine coating for selective absorption, is vacuum layer between interior outer glass pipe, can effectively prevent scattering and disappearing for heat,
Improve solar thermal utilization rate.The material of the coating for selective absorption is high-absorbility antiradar reflectivity material common in solar thermal utilization
Material.Collection thermal medium is filled in thermal-collecting tube 322, its collection thermal medium promotes medium transporting heat energy to accumulation of heat system by Natural Circulation effect
In system.The collection thermal medium can be, but not limited to the solid matter such as the liquids such as water, oil and paraffin, aluminium alloy, inorganic salts.
Photovoltaic cell component 21 can use but be not limited to polycrystal silicon film solar cell module.
Cooling pipe 22 is provided between photovoltaic cell component 21 and slot-shaped reflective mirror 11, photovoltaic cell can be greatly lowered
Temperature rise, improve photoelectric transformation efficiency.
The operation principle of the photovoltaic and photothermal association system is as follows：Reflective mirror is the groove profile curved surface by glass manufacture, in it
Surface can all be converged to the sunshine incided in parabolic wire casing on focal line using silver surface or metallized film is totally reflected,
Before near-infrared and ultraviolet lighting in sunshine are mapped to photovoltaic cell component, control technique is divided by sunshine, by thermal-collecting tube
Absorb and be changed into heat energy, the heat energy, which is finally absorbed and is transferred in hold over system by the collection thermal medium in vacuum heat collection pipe, to be stored
Get up, refraction of the frequency divider based on optical thin film or optical element, interference or diffraction and produce spectrum/division function.
Its visible ray is then changed into electric energy by the reflection of frequency divider on vertical irradiation to photovoltaic cell component, directly provides user
Use, photovoltaic cell uses multi-crystal silicon film solar battery component.Fixed support component, support frame and active connection structure
Into carrying platform, above-mentioned each part, tracking and drive device is supported to improve solar energy to ensure the incident angle of solar energy
Utilization ratio.
Referring to Fig. 3, the photovoltaic and photothermal connection for another full spectrum frequency dividing regulation and control of solar energy provided in an embodiment of the present invention
The structural representation of syzygy system, the photovoltaic and photothermal association system shown in the embodiment are combined with the photovoltaic and photothermal shown in Fig. 1, Fig. 2
The difference of system is that the slot-shaped reflective mirror 82 divides connection formula, is made up of arc groove bar of the same size.
Fig. 4 and Fig. 5 are referred to, is the photovoltaic light of the full spectrum frequency dividing regulation and control of another solar energy provided in an embodiment of the present invention
The structural representation and partial schematic diagram of heat integration system, the difference with the photovoltaic and photothermal association system shown in Fig. 1-Fig. 3 be,
The beam condensing unit includes butterfly concentrator 43 and support meanss, the support device butterfly concentrator 43, frequency dividing collection hot charging
Putting also includes vacuum glass cover 45, and the structure of support meanss mutually should be butterfly support meanss.
The cross sectional shape of the butterfly concentrator 43 can be, but not limited to parabola face, compound parabolic face and free form surface,
Its inner surface is using total reflection silver surface or metallized film.
Thermal-collecting tube 41 is combined by the glass tube of vortex wire, and its outer surface covers the painting of sunshine selective absorbing
Layer.It is vacuum layer between cloche 45 and frequency divider 43, can effectively prevents scattering and disappearing for heat, improve solar thermal utilization rate.Collection
The inlet/outlet pipe 42 and 44 of heat pipe 41 is connected by the inlet and outlet 46 and 47 and the vacuum heat collection pipe of outside of cloche.
Cooling pipe is provided between photovoltaic cell component 61 and concentrator, the temperature rise of photovoltaic cell can be greatly lowered, carry
High-photoelectric transformation efficiency.
In the present embodiment, corresponding support frame is butterfly support frame.
The operation principle of the photovoltaic and photothermal association system of the present embodiment is as follows：Butterfly concentrator, its inner surface, which uses, to be all-trans
Silver surface or metallized film are penetrated, the sunshine incided in butterfly concentrator can be all converged in focus, in focal position
It is provided with frequency dividing heat collector, before the near-infrared and ultraviolet lighting in sunshine are mapped to photovoltaic cell, pass through sunshine frequency dividing and adjust
Control technology, absorbed by thermal-collecting tube and be changed into heat energy, the heat energy is finally absorbed by the collection thermal medium in thermal-collecting tube and is transferred to storage
Stored in hot systems, refraction of the frequency divider 4.3 based on optical thin film or optical element, interference or diffraction and produce spectrum
Light splitting/division function, its visible ray are then changed into electric energy by the reflection of frequency divider on vertical irradiation to photovoltaic cell, directly
Connect and carry for users to use, photovoltaic cell component uses multi-crystal silicon film solar battery component.Fixed support component, support frame with
And active connection forms carrying platform, above-mentioned each part, tracking and drive device are supported to ensure the incidence of solar energy
Angle, improve the utilization ratio of solar energy.
The photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy provided according to above example, with prior art
Compare, have the following advantages and feature：
Using solar spectrum light splitting technology, light and the infrared light in sunshine and ultraviolet will be seen that by spectrum device
Light separates.
By beam condensing unit, sunshine is assembled, improves energy density.Battery can be reduced for photovoltaic cell
Area, while improve conversion efficiency；Collecting efficiency can be improved for photothermal deformation, and then improves high temperature heat source temperature.
First pass through beam condensing unit to focus on solar photon on solar spectrum light-splitting device, obtain the photon of high-energy-density
Stream.Photon stream is after the light splitting of solar spectrum light-splitting device, it is seen that optical band photon reflects, and is irradiated to photovoltaic cell
On, absorbed；Ultraviolet and infrared photon then passes through, and is absorbed by heat collector.It is achieved thereby that different-waveband in solar spectrum
The segmentation of photon effectively utilize.
Apparatus of the present invention energy independent control photovoltaic and photothermal deformation, actively effectively utilize and account for the red of solar spectrum more than 50%
Remaining light photon is used for photovoltaic cell, abundant each several part wave band photon by outer light and ultraviolet light as collection thermal source
Respective advantage.Photovoltaic and photo-thermal can be organically combined in the entire system simultaneously, it is more excellent so as to obtain to greatest extent
The solar energy conversion efficiency of change.
Solar spectrum light-splitting device and heat collection device are combined together by the present invention, and photovoltaic module and condenser mirror are incorporated in
Together, it efficiently low-loss can separate and absorb solar photon, so as to ensure total energy conversion efficiency.
The beam condensing unit that the present invention uses for the slot type with wide application prospect and cooking-pot type light collecting device, and be equipped with
Single shaft solar tracking system, in the case of necessary light concentrating times are ensured, there is larger cost advantage or cost to decline potentiality.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In a word, the preferred embodiment of technical solution of the present invention is the foregoing is only, is not intended to limit the present invention's
Protection domain.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in
Within protection scope of the present invention.
Claims (6)
1. a kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy, it is characterised in that the system includes optically focused
Device, photovoltaic cell component and frequency dividing heat collector, the frequency dividing heat collector are arranged on the spot position of the beam condensing unit
Top, and the photovoltaic cell component is located on the beam condensing unit and the underface for dividing heat collector, described point
Frequency heat collector includes frequency divider and thermal-collecting tube；
Incide the sunshine on the beam condensing unit to reflect and gather on the frequency dividing heat collector, the frequency divider will
The sunshine frequency dividing is near infrared light and ultraviolet light, visible ray, and the near infrared light and ultraviolet light are absorbed by the thermal-collecting tube,
It is changed into heat energy, the frequency divider is by the visible reflectance to the photovoltaic cell component, by the photovoltaic cell component
It is changed into electric energy；
The thermal-collecting tube is made up of concentric inner and outer tubes, is vacuum between said inner tube and outer tube；
It is described frequency dividing heat collector also include positioned at the heat collection tube vacuum glass cover, the vacuum glass cover with it is described
Vacuum is formed between thermal-collecting tube, collection thermal medium is filled in the thermal-collecting tube；
The thermal-collecting tube be vortex wire glass tube, the inlet/outlet pipe disengaging with the vacuum glass cover respectively of the thermal-collecting tube
Mouth connection.
2. the system as claimed in claim 1, it is characterised in that the beam condensing unit includes slot-shaped reflective mirror, and the flute profile is anti-
Light microscopic for continous way or divide connection formula, the inner surface of the slot-shaped reflective mirror is using total reflection silver surface or metallized film, institute
Stating the cross sectional shape of slot-shaped reflective mirror includes：Parabola face, compound parabolic face and free form surface.
3. the system as claimed in claim 1, it is characterised in that the beam condensing unit includes butterfly concentrator, and the butterfly is gathered
The cross sectional shape of light device includes：Parabola face, compound parabolic face and free form surface.
4. the system as described in claim 2-3 any one, it is characterised in that the beam condensing unit also includes support meanss,
The support device slot-shaped reflective mirror or butterfly concentrator.
5. system as claimed in claim 4, it is characterised in that the support meanss include support frame, rotating connector, fixation
Support component and tracking and drive device, support frame as described above support the beam condensing unit, and the rotating connector connects the branch
Support and the fixed support component, the tracking and drive device connect the beam condensing unit and the fixed support component,
The tracking and drive device adjust the angle of the beam condensing unit according to the incidence angle of the sunshine detected.
6. the system as described in claim 2-3 any one, it is characterised in that the photovoltaic cell component and slot-shaped reflective mirror
Or it is provided with cooling pipe between butterfly concentrator.
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| CN201510272559.4A CN104901625B (en) | 2015-05-26 | 2015-05-26 | A kind of photovoltaic and photothermal association system of the full spectrum frequency dividing regulation and control of solar energy |
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| CN106849859A (en) * | 2017-01-22 | 2017-06-13 | 中国科学院工程热物理研究所 | A kind of full spectrum of solar energy utilizes device |
| CN107449164A (en) * | 2017-09-07 | 2017-12-08 | 天津城建大学 | Efficient motion tracking solar thermal-arrest and the illumination integrated device of daylighting |
| CN110034197A (en) * | 2018-01-10 | 2019-07-19 | 协鑫能源工程有限公司 | Photovoltaic module |
| CN108870770A (en) * | 2018-07-20 | 2018-11-23 | 北京兆阳能源技术有限公司 | A kind of production method of reception device and glass baseplate |
| CN110078150A (en) * | 2019-04-25 | 2019-08-02 | 江苏大学 | A kind of photovoltaic power generation-sea water desalination set composite |
| CN111271882A (en) * | 2020-02-04 | 2020-06-12 | 华北电力大学 | Long-life spectrum light splitting and light condensing integrated photovoltaic thermal module, system and method |
| CN113541596B (en) * | 2021-05-26 | 2022-09-02 | 南京师范大学 | Active regulation and control method and device for solar full-spectrum frequency division energy |
| CN113465193A (en) * | 2021-07-05 | 2021-10-01 | 河北邦泉新能源科技有限公司 | Solar heating and hot water supply system |
| CN114873559B (en) * | 2022-04-25 | 2024-03-29 | 西安交通大学 | Photovoltaic power generation coupling photocatalysis hydrogen production system |
| CN116878173A (en) * | 2023-06-29 | 2023-10-13 | 山东核电设备制造有限公司 | Solar cogeneration and energy storage distributed comprehensive energy utilization system and method |
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