CN107449163A - A kind of full spectrum of solar energy of double frequency division type photo-thermal photovoltaic coupled thermomechanics utilizes system - Google Patents
A kind of full spectrum of solar energy of double frequency division type photo-thermal photovoltaic coupled thermomechanics utilizes system Download PDFInfo
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- CN107449163A CN107449163A CN201710525475.6A CN201710525475A CN107449163A CN 107449163 A CN107449163 A CN 107449163A CN 201710525475 A CN201710525475 A CN 201710525475A CN 107449163 A CN107449163 A CN 107449163A
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- frequency division
- double frequency
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- 238000001228 spectrum Methods 0.000 title claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 80
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 230000005619 thermoelectricity Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000003303 reheating Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
-
- 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
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
-
- 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
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
-
- 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
-
- 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
-
- 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
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
A kind of full spectrum of solar energy of double frequency division type photo-thermal photovoltaic coupled thermomechanics utilizes system, including concentrator, double frequency division type heat collectors, photovoltaic thermoelectricity set composite.Double frequency division type heat collectors include glass outer, glass collector, selective transmission glass, bottom glass.The photovoltaic thermoelectricity set composite includes photovoltaic cell, thermo-electric device and heat dissipation channel.The system can not only reduce the thickness of glass collector by double frequency dividings, so as to improve the portability of single unit system, and can improve the absorption efficiency of selective absorbing fluid (water).Meanwhile higher generating efficiency is obtained using photovoltaic/thermoelectricity set composite.It in addition, to the reheating of selective absorbing fluid (water), can not only be cooled down to thermo-electric device cold end, and selective absorbing fluid (water) can be made to obtain higher temperature.Therefore, the system cost is low, and applicable surface is extensive, has great economic results in society and wide market prospects.
Description
Technical field
The invention belongs to technical field of solar utilization technique, is related to a kind of double frequency division type heat collectors, and a kind of photovoltaic-thermoelectricity
Combined generating device, and in particular to a kind of full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics utilizes system.
Background technology
China is in the fast-developing process of industrialization, urbanization, and the energy and environmental problem are to China's sustainable development
The restriction of exhibition is very serious.Therefore, research and utilization regenerative resource has become the certainty of reply China's energy and environment challenge
Selection.In currently available Renewable Energy Resources, due to solar energy have total resources it is big, it is widely distributed, using clear
The advantages that clean, in the absence of resource exhaustion.Just issued and implemented in 2006 in China《People's Republic of China's Renewable Energy Law》,
Establish the regenerative resource attached most importance to solar energy and develop the critical role in China's Energy Industry Development Strategy.
At present, the main bottleneck of Solar use is the efficient utilization of full spectrum.For the problem, one kind utilizes light beam
PV/T (Photovoltaics-Thermal) system of separation is suggested, the sunshine with photovoltaic cell matched well wave band
Photovoltaic device is directed into, and remainder sunshine can produce heat by heat sink.The PV/ of this light beam separation
The major advantage of T systems is pyrolysis coupling, and photovoltaic cell and heat dump work at different temperature, you can effectively control photovoltaic electric
Pond reduces conversion efficiency because temperature is too high, and can provide heat energy utilization.
It is to use frequency spectrum separator to realize that light beam separates the best way, but this device structure is complicated, costly.
Another method is by the use of selective absorbing fluid as flow media in heat dump, while plays a part of frequency dividing, for example, water or
Nano-fluid.But water although the division range of spectrum is more excellent, needs longer suction when alternatively property absorbs fluid
Journey length is received, causes whole equipment excessive, heat absorption efficiency is relatively low.And nano-fluid has a preferable absorption characteristic, but point of spectrum
Frequency scope is unstable and undesirable, and meeting photovoltaic conversion efficiency is relatively low.
Therefore, it is badly in need of utilizing the advantage of the PV/T systems of light beam separation using a kind of new structure, so as to realize the sun
The full spectrum of energy high efficiency, low cost utilizes.
The content of the invention
It is an object of the invention to provide double frequency division type photo-thermal-light that a kind of full spectrum high efficiency, low cost of solar energy utilizes
The full spectrum of solar energy of volt-coupled thermomechanics utilizes system.
In order to realize the purpose, the technical solution adopted by the present invention is：Including the concentrator, double set gradually from top to bottom
Frequency division type heat collector and photovoltaic-thermoelectricity set composite；
Described double frequency division type heat collectors include the glass outer, glass collector, selectivity set gradually from top to bottom
Transmissive glass and bottom glass, and glass outer is located at the focusing below concentrator；
Described photovoltaic-thermoelectricity set composite include set gradually from top to bottom photovoltaic cell, thermo-electric device and dissipate
The passage of heat, the photovoltaic cell are affixed on the lower section of the bottom glass of double frequency division type heat collectors；
Described heat dissipation channel is joined end to end with glass collector and forms circulation canal, and choosing is provided with circulation canal
Selecting property absorbs fluid.
Described glass outer, glass collector, bottom glass use the glass material of high printing opacity.
It is vacuum structure between described glass outer and glass collector, between glass collector and bottom glass.
The selective absorbing fluid set in described circulation canal is the sunshine that can absorb infrared band, and is transmitted
The sunshine of visible-range, absorbed so as to play a part of frequency dividing.
Described selective transmission glass uses transmission visible ray 300nm~800nm sunshine, and reflects remaining wave band
Sunshine, so as to play the cyanic colours glass of secondary frequency dividing effect.
Its material of described heat dissipation channel is aluminium, is connected with glass collector.
The present invention realizes double frequency dividings of sunshine spectrum with selective absorbing fluid and selective transmission glass, not only can be with
The thickness of glass collector is reduced, so as to improve the portability of single unit system, and the suction of selective absorbing fluid can be improved
Produce effects rate.Meanwhile improve generating efficiency using photovoltaic/thermoelectricity set composite.In addition, selective absorbing fluid first from photovoltaic/
Heat dissipation channel under thermoelectricity set composite flows through, then flows into double frequency division type heat collectors.So not only act as cold to thermo-electric device
The effect of cooling is held, and is preheated for fluid so that fluid is carrying out sunshine by double frequency division type heat collectors
Higher temperature is obtained during reheating.Therefore, the full spectrum of the solar energy of this pair of frequency division type photo-thermal-photovoltaic-coupled thermomechanics utilizes system
System can not only realize the efficient utilization of the full spectrum of solar energy, and its equipment cost is cheap, and applicable surface is extensive, have great
Economic results in society and wide market prospects.
In addition, selective transmission glass will be seen that the sunshine of optical band is transmitted through on the photovoltaic-thermoelectricity set composite,
Generated electricity；And the sunshine for the infrared band for not fully absorbing selective absorbing fluid (water) is reflected back glass heat collecting again
Device, realize double absorption.The thickness of the glass collector can so be reduced, so as to improve the portability of single unit system,
And the absorption efficiency of selective absorbing fluid (water) can be improved.
It is vacuum between glass collector and bottom glass, to reduce heat loss between glass outer and glass collector.
Heat dissipation channel material is aluminium, is connected with double frequency division type heat collectors, wherein what is circulated is the selective absorbing stream
Body (water), the fluid first flow through from the heat dissipation channel, not only act as the effect to thermo-electric device cold end cooling, and
Preheated for fluid so that fluid obtains at higher temperature when carrying out sunshine reheating by double frequency division type heat collectors
Degree.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 concentrator, 2 pairs of frequency division type heat collectors, 3 photovoltaics-thermoelectricity set composite, 4 glass outers, 5 glass heat collectings
Device, 6 selective transmission glass, 7 bottom glass, 8 photovoltaic cells, 9 thermo-electric devices, 10 heat dissipation channels
Embodiment
The structural principle and operation principle of the present invention are described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, the present invention includes concentrator 1, double frequency division type heat collectors 2 and the photovoltaic-heat set gradually from top to bottom
Electric set composite 3；
Double frequency division type heat collectors 2 include glass outer 4, glass collector 5, the selective transmission set gradually from top to bottom
Glass 6, bottom glass 7, glass outer 4 are located at the focusing of the lower section of concentrator 1, wherein glass outer 4, the and of glass collector 5
Bottom glass 7 uses the glass material of high printing opacity, in order to reduce the glass outer 4 and glass collector 5 of the heat loss present invention
Between, it is vacuum structure between glass collector 5 and bottom glass 7, described selective transmission glass 6 is using transmission visible ray
300nm~800nm sunshine, and the sunshine of remaining wave band is reflected, so as to play the cyanic colours glass of secondary frequency dividing effect；
Photovoltaic-thermoelectricity set composite 3 includes photovoltaic cell 8, thermo-electric device 9 and the aluminium material set gradually from top to bottom
Heat dissipation channel 10, the photovoltaic cell 8 is affixed on the lower section of the bottom glass 7 of double frequency division type heat collectors 2；
Heat dissipation channel 10 is joined end to end with glass collector 5 and forms circulation canal, and selection is provided with circulation canal
Property absorb fluid (water) sunshine of infrared band can be absorbed, and the sunshine of visible-range is transmitted, so as to play frequency dividing
The effect of absorption.
Its course of work is：Sunshine is gathered on double frequency division type heat collectors 2 by concentrator 1, outside sunshine passes through
Layer glass 4, during into glass collector 5, the selective absorbing fluid (water) in glass collector 5 will absorb infrared band too
Sunlight, and the sun light transmission of visible light wave range is gone down, and in the selective transmission glass 6 of 5 times placements of glass collector, then
Play a part of secondary frequency dividing, the sunshine for the infrared band that selective absorbing fluid (water) is not fully absorbed reflexes to glass
Glass heat collector 5, and transmit the sunshine of visible light wave range.The advantage of secondary frequency dividing is the thickness that can reduce glass collector 5
Degree, double portabilities of frequency division type heat collector 2 are improved, and by the process of double absorption, selective absorbing fluid can be improved
The absorption efficiency of (water).The sunshine of the visible light wave range of throughout curve transmissive glass 6, it is enterprising that photovoltaic cell 8 will be incided
Row opto-electronic conversion, and the thermo-electric device 9 for being placed in the lower section of photovoltaic cell 8 then carries out thermoelectric power generation using the waste heat of photovoltaic cell 8.Dissipate
The passage of heat 10 is placed in the lower section of thermo-electric device 9, wherein what is circulated is selective absorbing fluid (water).The fluid is logical from radiating first
Road 10 is flowed through, and the cold end to thermo-electric device 9 is cooled down, while also functions to the effect of self-preheating, flows into double frequency division types afterwards
In heat collector 2, sunshine reheating is carried out, selective absorbing fluid (water) is obtained higher temperature by reheating.
Claims (6)
1. a kind of full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics utilizes system, it is characterised in that：Including certainly
Concentrator (1), double frequency division type heat collectors (2) and photovoltaic-the thermoelectricity set composite (3) set gradually under above；
Described double frequency division type heat collectors (2) include the glass outer (4), glass collector (5), choosing set gradually from top to bottom
Selecting property transmissive glass (6) and bottom glass (7), and glass outer (4) is located at the focusing below concentrator (1)；
Described photovoltaic-thermoelectricity set composite (3) include set gradually from top to bottom photovoltaic cell (8), thermo-electric device (9) with
And heat dissipation channel (10), the photovoltaic cell (8) are affixed on the lower section of the bottom glass (7) of double frequency division type heat collectors (2)；
Described heat dissipation channel (10) joins end to end with glass collector (5) and forms circulation canal, and is set in circulation canal
Selective absorption fluid.
2. the full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics according to claim 1 utilizes system, its
It is characterised by：Described glass outer (4), glass collector (5), bottom glass (7) use the glass material of high printing opacity.
3. the full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics according to claim 1 utilizes system, its
It is characterised by：Between described glass outer (4) and glass collector (5), between glass collector (5) and bottom glass (7)
For vacuum structure.
4. the full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics according to claim 1 utilizes system, its
It is characterised by：The selective absorbing fluid set in described circulation canal is the sunshine that can absorb infrared band, and saturating
The sunshine of visible-range is penetrated, is absorbed so as to play a part of frequency dividing.
5. the full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics according to claim 1 utilizes system, its
It is characterised by：Described selective transmission glass (6) uses transmission visible ray 300nm~800nm sunshine, and reflects remaining
The sunshine of wave band, so as to play the cyanic colours glass of secondary frequency dividing effect.
6. the full spectrum of solar energy of double frequency division type photo-thermal-photovoltaic-coupled thermomechanics according to claim 1 utilizes system, its
It is characterised by：Described heat dissipation channel (10) its material is aluminium, is connected with glass collector (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525475.6A CN107449163B (en) | 2017-06-30 | 2017-06-30 | A kind of double frequency division type photo-thermal-full spectrum of photovoltaic-coupled thermomechanics solar energy utilize system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525475.6A CN107449163B (en) | 2017-06-30 | 2017-06-30 | A kind of double frequency division type photo-thermal-full spectrum of photovoltaic-coupled thermomechanics solar energy utilize system |
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| Publication Number | Publication Date |
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| CN107449163A true CN107449163A (en) | 2017-12-08 |
| CN107449163B CN107449163B (en) | 2019-09-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255368A (en) * | 2017-06-30 | 2017-10-17 | 西安交通大学 | A kind of full spectrum of solar energy of frequency division type low-concentration photovoltaic high power concentrator photo-thermal/coupled thermomechanics utilizes system |
| CN108321236A (en) * | 2018-05-11 | 2018-07-24 | 上海电力学院 | A kind of photo-thermal photovoltaic panel |
| CN109150090A (en) * | 2018-08-21 | 2019-01-04 | 河海大学常州校区 | A kind of condensation photovoltaic cogeneration system based on light splitting principle |
| CN111953292A (en) * | 2020-07-23 | 2020-11-17 | 江苏大学 | Solar energy frequency division type electricity and heat cogeneration device |
| CN111947327A (en) * | 2020-08-25 | 2020-11-17 | 长春工程学院 | Novel solar photovoltaic photo-thermal air heat collector |
| CN115403118A (en) * | 2022-08-25 | 2022-11-29 | 西安交通大学 | Photovoltaic power generation and seawater desalination coupling system and method based on waste heat utilization |
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| CN104101113A (en) * | 2014-06-26 | 2014-10-15 | 同济大学 | Solar photothermal and photoelectric frequency division utilization system |
| US20160329861A1 (en) * | 2013-12-31 | 2016-11-10 | Abengoa Solar New Technologies, S.A. | Hybrid system of parametric solar thermal cylinder and photovoltaic receiver |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255368A (en) * | 2017-06-30 | 2017-10-17 | 西安交通大学 | A kind of full spectrum of solar energy of frequency division type low-concentration photovoltaic high power concentrator photo-thermal/coupled thermomechanics utilizes system |
| CN108321236A (en) * | 2018-05-11 | 2018-07-24 | 上海电力学院 | A kind of photo-thermal photovoltaic panel |
| CN109150090A (en) * | 2018-08-21 | 2019-01-04 | 河海大学常州校区 | A kind of condensation photovoltaic cogeneration system based on light splitting principle |
| CN111953292A (en) * | 2020-07-23 | 2020-11-17 | 江苏大学 | Solar energy frequency division type electricity and heat cogeneration device |
| CN111953292B (en) * | 2020-07-23 | 2024-05-14 | 江苏大学 | Solar energy frequency division type electric heat allies oneself with supplies device |
| CN111947327A (en) * | 2020-08-25 | 2020-11-17 | 长春工程学院 | Novel solar photovoltaic photo-thermal air heat collector |
| CN111947327B (en) * | 2020-08-25 | 2021-09-24 | 长春工程学院 | Solar photovoltaic photo-thermal air heat collector |
| CN115403118A (en) * | 2022-08-25 | 2022-11-29 | 西安交通大学 | Photovoltaic power generation and seawater desalination coupling system and method based on waste heat utilization |
| CN115403118B (en) * | 2022-08-25 | 2023-10-13 | 西安交通大学 | Photovoltaic power generation and sea water desalination coupling system and method based on waste heat utilization |
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