CN109687823A - The solar cogeneration condenser utilized based on spectral - Google Patents
The solar cogeneration condenser utilized based on spectral Download PDFInfo
- Publication number
- CN109687823A CN109687823A CN201910069743.7A CN201910069743A CN109687823A CN 109687823 A CN109687823 A CN 109687823A CN 201910069743 A CN201910069743 A CN 201910069743A CN 109687823 A CN109687823 A CN 109687823A
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- light
- dividing device
- solar
- photovoltaic
- heat absorber
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- 230000003595 spectral effect Effects 0.000 title claims abstract description 11
- 239000006096 absorbing agent Substances 0.000 claims abstract description 21
- 230000002776 aggregation Effects 0.000 claims abstract description 10
- 238000004220 aggregation Methods 0.000 claims abstract description 10
- 238000010248 power generation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005619 thermoelectricity Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The present invention relates to a kind of solar cogeneration condensers utilized based on spectral, with at least one solar panel, at least one light-dividing device, and at least one heat absorber, the light-dividing device is arranged below solar panel, heat absorber is set below the light-dividing device, concentrating collector is set below the heat absorber, sunlight aggregation is radiated on light-dividing device by the concentrating collector, it is projected on solar photovoltaic cell panel by 400-700nm wave band luminous rays of light-dividing device through the light splitting piece in light-dividing device, 700-1100nm wave band light are split after device reflects and are absorbed and utilized by heat absorber, photovoltaic and photothermal is made full use of to reach.Emphasis of the present invention solves under focus condition, and photovoltaic and photothermal comprehensively utilizes and composes the problem of utilizing to solar spectral, and photovoltaic and photothermal comprehensive utilization can be pushed to move towards commercialization.
Description
Technical field
The present invention relates to a kind of utilization system of photovoltaic and photothermal, especially a kind of solar energy utilized based on spectral
Cogeneration of heat and power condenser
Background technique
Solar energy photovoltaic utilization refers to through photovoltaic effect, and solar energy is converted directly into the Solar use of electric energy
Method.Sunlight exposes to photovoltaic cell surface, and the Electron absorption photon energy in photovoltaic cell is by ground state transition to excitation state, shape
At electron hole pair, under the action of built in field, electronics shifts to the area P by the area N, and the area N is shifted to by the area P in hole, to form electricity
Kinetic potential, when connecting the two poles of the earth, electronics and hole are flowed to form electric current jointly.So far, photovoltaic power generation whole utilization is imitated
Rate is about 25%, and for Single-junction photovoltaic cell, efficiency is still below 30%, such as commercialized monocrystalline Silicon photrouics, nearly 20
Within year, 1% promotion is not all reached to its efficiency.It can be seen that current photovoltaic power generation is there are bottleneck, generating efficiency it is low and at
This is higher.
Solar energy heat utilization technology is broadly divided into the groove type solar solar thermal utilization skill of line focus by spot mode difference
Art, the disc type solar energy solar thermal utilization technology of point focusing, tower type solar solar thermal utilization technology and Fresnel solar energy optical-thermal
Utilization technology.The utilization efficiency of photo-thermal is about 50% so far, and on the whole, light has Solar use by photothermal technique
Nearly 50% energy loss, so solar thermal utilization technology is also at a relatively low level.
In recent years, in order to improve the efficiency of solar energy utilization, photovoltaic and photothermal is comprehensively utilized, whole so far
Utilization efficiency is about 80%, though efficiency is high, the unbalanced problem of thermoelectricity is difficult to solve.Need of the user for thermal energy and electric energy
Ask different, when thermal energy storage, temperature is increased, and seriously affects the generating efficiency of solar battery.Silicon solar cell is come
It says, operating temperature is every to increase 1 DEG C, photoelectric conversion efficiency decline about 0.5%.No matter the utilization of photovoltaic or photo-thermal is all caused
Huge loss.
In conclusion existing project takes focusing sunlight simultaneously now by photovoltaic and photo-thermal effective using imperative
It installs light-dividing device additional between solar panel and heat collector, photovoltaic and photo-thermal is decoupled, are utilized respectively in a system, mutually not shadow
It rings.The purpose for installing light-dividing device additional is to separate the visible light part of sunlight with heat ray, and through visible light, reflective thermal is penetrated
Line, and will be seen that light and heat ray is respectively used to photovoltaic and photothermal technique, it is possible thereby to substantially reduce the operation temperature of photovoltaic cell
Degree improves solar thermal utilization temperature, has huge help to photovoltaic and photothermal comprehensive utilization, the scientific research to photovoltaic and photothermal utilization efficiency is promoted
Progress has huge motive force.
Summary of the invention
It is influenced brought by fuel factor caused by photovoltaic power generation to mitigate, improves solar energy generating efficiency, reduce the sun
The loss of energy reduces whole photovoltaic and photothermal and utilizes cost, and the present invention provides a kind of solar cogeneration utilized based on spectral
Condenser, emphasis solves the problem of photovoltaic and photothermal comprehensive utilization under focus condition and composes utilization to solar spectral, pushes light
Commercialization is moved towards in volt photo-thermal comprehensive utilization.
The present invention can be achieved through the following technical solutions: a kind of solar cogeneration utilized based on spectral is poly-
Light device has at least one solar panel, at least one light-dividing device and at least one heat absorber, the light splitting
Device is arranged below solar panel, and heat absorber, setting below the heat absorber are arranged below the light-dividing device
Concentrating collector, sunlight aggregation is radiated on light-dividing device by the concentrating collector, by the 400-of light-dividing device
700nm wave band luminous ray projects on solar photovoltaic cell panel through the light splitting piece in light-dividing device, 700-1100nm waves
Section light is split after device reflects and is absorbed and utilized by heat absorber, makes full use of to reach to photovoltaic and photothermal.
Further, the concentrating collector is slot light collection heat collector, the light-dividing device and slot light collection heat collector point
It is not horizontally-parallel to hang on heat absorber upper and lower；The solar panel is laterally covered on above light-dividing device, sunlight
It is beaten on light-dividing device by the aggregation of slot light collection heat collector, the light that light-dividing device penetrates is beaten on solar panel, is led to
Photovoltaic effect is crossed to produce electricl energy；The heat ray part of light-dividing device reflection is collected by heat absorber, thermal energy is converted, directly
Connect utilization or indirect power generation.
Further, the concentrating collector is dish-style concentrating collector, and the light-dividing device is located at dish-style concentrating collector
Focus on；The solar panel all covers light-dividing device, beats sunlight by the aggregation of dish-style concentrating collector
On light-dividing device, the light that light-dividing device penetrates is beaten on solar panel, by photovoltaic effect to produce electricl energy；
The heat ray part of light-dividing device reflection is collected by heat absorber, and thermal energy is converted, directly utilization or indirect power generation.
The invention has the following advantages:
1. realizing the comprehensive utilization to photovoltaic and photothermal, energy loss is reduced；
2. making full use of visible light, heat ray is reflected, mitigates the fever phenomenon of photovoltaic panel at work；
3. energy-saving and environmental protection.
4. solar battery sheet and heat absorber are decoupled, mitigate traditional thermoelectricity imbalance problem significantly, reduce due to
Influence of the solar thermal utilization to battery plate temperature.
Detailed description of the invention
Fig. 1 is to realize to utilize sectional view to photovoltaic and photothermal by slot light collection heat collector in the embodiment of the present invention one；
Fig. 2 is to realize to utilize perspective view to photovoltaic and photothermal by slot light collection heat collector in the embodiment of the present invention one；
Fig. 3 is to realize to utilize sectional view to photovoltaic and photothermal by dish-style concentrating collector in the embodiment of the present invention two；
Fig. 4 is to realize to utilize perspective view to photovoltaic and photothermal by dish-style concentrating collector in the embodiment of the present invention two.
Specific embodiment
Below with reference to schematic diagram, the present invention is described in detail, this example carries out reality based on the technical solution of the present invention
It applies, gives detailed embodiment and specific operation process.
Embodiment one, as shown in figures 1 and 2:
(1) sunlight is beaten on light-dividing device 2 by slot light collection heat collector 4-1 aggregation, light-dividing device 2 and slot type are poly-
Light heat collector 4-1 is horizontally-parallel respectively to hang on 3 upper and lower of heat absorber；
(2) solar panel 1 is laterally covered on 2 top of light-dividing device, and the light that light-dividing device 2 penetrates is beaten in solar-electricity
On pond plate 1, by photovoltaic effect to produce electricl energy；
(3) the heat ray part that light-dividing device 2 reflects is collected by heat absorber 3, and thermal energy is converted, more using form
Sample, such as directly utilization or indirect power generation.
Sunlight aggregation is radiated on the light splitting piece of light-dividing device 2 by embodiment one using slot light collection heat collector, foundation
Light splitting piece 400-700nm of characteristic wave band visible light-transmissive light splitting piece simultaneously projects on solar photovoltaic cell panel, 400nm or less
Light absorb plus transmission by way of consume, and 700-1100nm wave band light reflected after by heat absorption device
It is absorbed and utilized, photovoltaic and photothermal is made full use of to reach.
Embodiment two, as shown in figures 3 and 4:
(1) sunlight is beaten on light-dividing device 2 by dish-style concentrating collector 4-2 aggregation, the position of light-dividing device 2 is
In the focus of dish-style concentrating collector 4-1；
(2)) solar panel 1 all covers light-dividing device 2, since focus area is small, can largely save cell piece,
The light that light-dividing device 2 penetrates is beaten on solar panel 1, by photovoltaic effect to produce electricl energy；
(3) the heat ray part that light-dividing device 2 reflects is collected by heat absorber 3, and thermal energy is converted, more using form
Sample, such as directly utilization or indirect power generation.
Sunlight aggregation is radiated on the light splitting piece of light-dividing device by embodiment two using dish-style concentrating collector, foundation point
400-700nm of filter characteristics wave band visible light-transmissive light splitting piece simultaneously projects on solar photovoltaic cell panel, and 400nm is below
Light is consumed by way of absorbing plus transmiting, and 700-1100nm wave band light are inhaled after being reflected by heat absorption device
It receives and utilizes, photovoltaic and photothermal is made full use of to reach.
Claims (3)
1. a kind of solar cogeneration condenser utilized based on spectral has at least one solar panel, at least
One light-dividing device and at least one heat absorber, it is characterised in that: the light-dividing device is arranged under solar panel
Side, the light-dividing device lower section are arranged heat absorber, concentrating collector, the concentrating collector are arranged below the heat absorber
Sunlight aggregation is radiated on light-dividing device, penetrates light-dividing device by 400-700nm wave band luminous rays of light-dividing device
In light splitting piece project on solar photovoltaic cell panel, 700-1100nm wave band light be split device reflection after passes through heat
Absorber is absorbed and utilized, and makes full use of to reach to photovoltaic and photothermal.
2. the solar cogeneration condenser according to claim 1 utilized based on spectral, it is characterised in that: described
Concentrating collector is slot light collection heat collector, the light-dividing device and slot light collection heat collector is horizontally-parallel respectively hangs on hot suction
Receive device upper and lower；The solar panel is laterally covered on above light-dividing device, and sunlight is poly- by slot light collection heat collector
Collection is beaten on light-dividing device, and the light that light-dividing device penetrates is beaten on solar panel, generates electricity by photovoltaic effect
Energy；The heat ray part of light-dividing device reflection is collected by heat absorber, and thermal energy is converted, directly utilization or indirect power generation.
3. the solar cogeneration condenser according to claim 1 utilized based on spectral, it is characterised in that: described
Concentrating collector is dish-style concentrating collector, and the light-dividing device is located in the focus of dish-style concentrating collector；The solar energy
Solar panel all covers light-dividing device, beats sunlight on light-dividing device by the aggregation of dish-style concentrating collector, light splitting dress
The light for setting transmission is beaten on solar panel, by photovoltaic effect to produce electricl energy；The heat of light-dividing device reflection is penetrated
Line part is collected by heat absorber, and thermal energy is converted, directly utilization or indirect power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069743.7A CN109687823A (en) | 2019-01-24 | 2019-01-24 | The solar cogeneration condenser utilized based on spectral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069743.7A CN109687823A (en) | 2019-01-24 | 2019-01-24 | The solar cogeneration condenser utilized based on spectral |
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| Publication Number | Publication Date |
|---|---|
| CN109687823A true CN109687823A (en) | 2019-04-26 |
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| CN201910069743.7A Pending CN109687823A (en) | 2019-01-24 | 2019-01-24 | The solar cogeneration condenser utilized based on spectral |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865114A (en) * | 2021-09-24 | 2021-12-31 | 香港理工大学深圳研究院 | Solar energy comprehensive utilization device for concentrating, collecting and generating light |
| CN113945015A (en) * | 2021-11-05 | 2022-01-18 | 西安热工研究院有限公司 | Light splitting reflection high-concentration photovoltaic photo-thermal integrated cavity type receiver |
| CN114132981A (en) * | 2021-12-14 | 2022-03-04 | 西安交通大学 | Desalination system and method based on solar light splitting-radiation cooling |
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Patent Citations (5)
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| KR20120126804A (en) * | 2011-05-13 | 2012-11-21 | 엄분도 | Solar Tracking Driver using Electrical Cylinder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113865114A (en) * | 2021-09-24 | 2021-12-31 | 香港理工大学深圳研究院 | Solar energy comprehensive utilization device for concentrating, collecting and generating light |
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| CN113945015A (en) * | 2021-11-05 | 2022-01-18 | 西安热工研究院有限公司 | Light splitting reflection high-concentration photovoltaic photo-thermal integrated cavity type receiver |
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| CN114132981A (en) * | 2021-12-14 | 2022-03-04 | 西安交通大学 | Desalination system and method based on solar light splitting-radiation cooling |
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Application publication date: 20190426 |