CN113726265B - Photovoltaic comprehensive utilization device based on photoisomerization - Google Patents
Photovoltaic comprehensive utilization device based on photoisomerization Download PDFInfo
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- CN113726265B CN113726265B CN202111004643.XA CN202111004643A CN113726265B CN 113726265 B CN113726265 B CN 113726265B CN 202111004643 A CN202111004643 A CN 202111004643A CN 113726265 B CN113726265 B CN 113726265B
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- 238000007699 photoisomerization reaction Methods 0.000 title claims abstract description 40
- 238000004146 energy storage Methods 0.000 claims abstract description 19
- 238000001228 spectrum Methods 0.000 claims abstract description 19
- 239000005304 optical glass Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000010408 film Substances 0.000 claims description 14
- 239000000376 reactant Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000012788 optical film Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 claims description 2
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002186 photoactivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
-
- 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
-
- 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
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
-
- 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
- Y02E10/50—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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic comprehensive utilization device based on photoisomerization, which comprises: photovoltaic panel, working medium passageway, spectrum frequency division membrane, photoisomerization reactor, optical glass lens, energy storage jar. According to the solar full-spectrum solar energy photovoltaic system, sunlight with different wavelengths is effectively utilized, photons in an ultraviolet region and a part of visible light region convert light energy through photoisomerization reaction and store the converted light energy into chemical bonds, the chemical bonds are stored through the energy storage tank, photons forming a photovoltaic effect in visible light can be utilized to carry out photovoltaic power generation through the photovoltaic panel, and full-spectrum efficient utilization of solar energy is achieved. Meanwhile, a working medium channel is arranged in the photovoltaic panel, when the temperature of the photovoltaic panel is too high, heat can be dissipated through flowing of the working medium, and when the temperature of the photovoltaic panel is too low, energy in the energy storage tank can be utilized for heating the photovoltaic panel, so that the working efficiency of the photovoltaic panel is kept within a certain range.
Description
Technical Field
The invention relates to the technical field of comprehensive utilization of solar energy, in particular to a photovoltaic comprehensive utilization device based on photoisomerization.
Background
With the increase of energy consumption, it is important to develop a technology for efficiently utilizing solar energy. At present, the solar energy is mainly utilized by technologies such as photovoltaics, photo-thermal power generation, photochemistry and the like.
The photovoltaic power generation technology mainly utilizes the photovoltaic effect of a semiconductor interface in a photovoltaic panel to convert the light energy into electric energy. In summer, the temperature of the photovoltaic panel rises sharply due to the large illumination and radiation intensity, so that the photovoltaic power generation efficiency is reduced; in winter or severe cold areas, the temperature of the photovoltaic panel is reduced, so that the photovoltaic power generation efficiency is affected, and in some areas, the temperature in the daytime and the temperature in the evening are excessively different, so that the photovoltaic module is adversely affected.
Photoisomerization is a technique in which solar photons are irradiated onto organic molecules with photoresponsive properties to cause isomerization reactions, and the organic molecules are converted from a stable structure with low energy to a metastable structure with high energy. The process directly stores solar energy in chemical bonds, so that the loss generated by multiple energy conversion is reduced.
Compared with the traditional phase change material, the photochemical heat density is high and is several times higher than that of the traditional phase change material, and the photochemical heat density can absorb ultraviolet rays and improve the solar spectrum utilization range.
However, the photovoltaic power generation technology or the photochemical technology only uses part of the wave bands in the sunlight spectrum, and the rest wave bands are not used, so that the utilization range of the sunlight is limited.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a photovoltaic comprehensive utilization device based on photoisomerization.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses a photovoltaic comprehensive utilization device based on photoisomerization, which comprises the following components:
the photovoltaic panel is used for converting solar energy into electric energy;
an optical glass lens for reflecting sunlight onto the photovoltaic panel;
the working medium channel is positioned in the photovoltaic panel and is used for cooling or heating the photovoltaic panel through the flowing of the working medium in the working medium channel;
the spectrum frequency division film is used for dividing sunlight reflected by the optical glass lens into two beams according to different wavelengths;
the photoisomerization reactor is used for guiding photons which are separated by the spectrum frequency division film and are positioned in an ultraviolet region and a part of visible light region into the photoisomerization reactor, so that the photochemical reactant A is subjected to photoactivation, photoisomerization reaction is carried out with the guided photons, and energy is stored in a chemical bond form;
a conveying pipeline for collecting and conveying the photochemical product B generated in the photoisomerization reactor to an energy storage tank for storage;
and the energy storage tank is used for storing the photochemical product B collected and conveyed by the conveying pipeline.
Further, the working medium in the working medium channel is heat conduction oil.
Further, the optical glass lens is a linear Fresnel type condenser lens.
Further, the spectrum frequency division film is an optical film.
Further, the photochemical reactant A is azobenzene and derivatives thereof or norbornadiene and derivatives thereof.
Further, the photovoltaic panel comprises toughened glass, transparent EVA, photovoltaic cell pieces, transparent EVA, a back plate, an aluminum plate and the working medium channels which are respectively arranged from top to bottom.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) Photons in the ultraviolet region and part of the visible light region in sunlight are used for photoisomerization reaction, photons forming a photovoltaic effect are used for photovoltaic power generation in the visible light, and compared with a single technology, the device expands the utilization range of the sunlight and realizes the high-efficiency utilization of the solar full spectrum;
(2) When the temperature of the photovoltaic panel is too high, the heat conduction oil in the working medium channel can be used for cooling the photovoltaic panel; in winter or severe cold areas, when the temperature of the photovoltaic panel is too low, heat stored in the energy storage tank and heat conduction oil in the working medium channel can be utilized to exchange heat, so that the temperature of the photovoltaic panel is raised, and the power generation efficiency of the photovoltaic panel is kept within a certain range;
(3) The photoisomerization reactor can react in cloudy days, so that the adaptability of the solar device is greatly enhanced;
(4) When the solar energy is insufficient or the night, a small amount of activation energy is used for exciting the energy stored in the energy storage tank to release the energy in a thermal form, so that the energy is used for supplying heat or generating electricity in a thermal power station, and the fluctuation of the system is reduced.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic structural diagram of a photovoltaic comprehensive utilization device based on photoisomerization of the invention;
FIG. 2 is a schematic diagram of a photoisomerization reactor placement according to the invention;
FIG. 3 is an exploded view of a photovoltaic panel structure;
reference numerals illustrate: a-photochemical reactant, B-photochemical product, 1-photovoltaic panel, 2-working medium channel, 3-spectral frequency division film, 4-photoisomerization reactor, 5-optical glass lens, 6-conveying pipeline, 7-energy storage tank, 8-toughened glass, 9-transparent EVA, 10-photovoltaic cell, 11-backboard and 12-aluminum plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is merely illustrative of the present invention and is not intended to be limiting, and modifications thereof without creative contribution can be made by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
As shown in fig. 1, the photovoltaic comprehensive utilization device based on photoisomerization provided in this embodiment includes: the device comprises a photovoltaic panel 1, a working medium channel 2, a spectrum frequency division film 3, a photoisomerization reactor 4, an optical glass lens 5, a conveying pipeline 6 and an energy storage tank 7; wherein: the spectrum frequency division film 3 divides solar photons into photons in an ultraviolet region and a part of visible light region and photons forming a photovoltaic effect in the visible light, wherein the photons in the ultraviolet region and the part of visible light region participate in photoisomerization reaction through the photoisomerization reactor 4, convert light energy and store the light energy into chemical bonds, and then store the chemical bonds through the energy storage tank 7; photons forming a photovoltaic effect in visible light can be used for photovoltaic power generation through the photovoltaic panel 1, the working medium channel is located in the photovoltaic panel, heat dissipation can be carried out through heat conduction oil flowing in the working medium channel when the temperature of the photovoltaic panel is too high, and the energy in the energy storage tank can be used for heating the photovoltaic panel when the temperature of the photovoltaic panel is too low, so that the working efficiency of the photovoltaic panel is kept in a certain range.
In this embodiment, the spectrum frequency division film 3 is an optical film, and the spectrum frequency division film can be customized according to requirements so as to freely select the spectral ranges of reflection and absorption, and the sunlight with different wavelengths can be screened.
In this embodiment, the photoisomerization reactor 4 may select photons in the ultraviolet region and part of the visible light region to participate in photoisomerization reaction according to the spectrum frequency division film on the surface of the photoisomerization reactor, and reflect photons in other regions to the photovoltaic panel 1 in the middle of the device to perform photovoltaic power generation; under the screening action of the spectrum frequency division film 3 on the surface of the photovoltaic panel 1, the sunlight reflected by the mirror surface selects photons forming the photovoltaic effect in the visible light to participate in photovoltaic power generation, and simultaneously reflects photons in other areas to the surface of the photoisomerization reactor 4. Thus, the full spectrum utilization of solar energy is realized.
In this example, photochemical reactant A undergoes a photoisomerization reaction with photons in the ultraviolet region and a portion of the visible region, storing energy in photochemical product B. Each photoisomerization reactor 4 is provided with a conveying pipeline, and photochemical products B are conveyed into an energy storage tank 7 through a conveying pipeline 6 for centralized storage. In summer, the illumination and radiation intensity become strong, so that the temperature of the photovoltaic panel is increased, the power generation efficiency is reduced, and at the moment, heat is quickly absorbed through heat conduction oil in a working medium channel 2 in the photovoltaic panel 1, so that the effect of cooling the photovoltaic panel 1 is achieved, and the heat absorption heat conduction oil exchanges heat with an energy storage tank 7; in winter and severe cold areas, the temperature of the photovoltaic panel 1 is too low due to extreme weather, the power generation efficiency is affected, and the normal working efficiency of the photovoltaic assembly is affected due to the huge temperature difference generated by the temperature at day and night, so that the energy stored by the energy storage tank 7 is exchanged with the heat conduction oil of the working medium channel 2 in the photovoltaic panel to heat the photovoltaic panel 1, so that the working efficiency of the photovoltaic panel 1 is kept in a certain range.
As shown in fig. 2, the photo-isomerism reactor is placed in a pattern, the photo-isomerism reactors 4 are placed in a staggered manner with the optical glass lens, each photo-isomerism reactor 4 is connected with the photo-isomerism reactor 4 in series through a conveying pipeline 6, and the generated photochemical product B is conveyed into an energy storage tank 7 through the conveying pipeline 6 for centralized storage.
As shown in fig. 3, in this embodiment, the photovoltaic panel assembly is toughened glass, transparent EVA, photovoltaic cells, transparent EVA, back plate, aluminum plate, and working medium channels 2 from top to bottom, and the working medium channels 2 are provided with heat-conducting oil for cooling or heating the photovoltaic panel 1.
It should be noted that the materials and specific functions of the photovoltaic panel assembly such as toughened glass, transparent EVA, photovoltaic cell, transparent EVA, back sheet, and aluminum sheet described in fig. 3 in this embodiment are well known to those skilled in the art, and therefore are not described in detail herein.
In summary, the invention provides a photovoltaic comprehensive utilization device based on photoisomerization, which effectively utilizes sunlight with different wavelengths, wherein photons which are separated by a spectrum frequency division film and are positioned in an ultraviolet region and a part of visible light region store light energy into chemical bonds through photoisomerization reaction and then into an energy storage tank, photons forming a photovoltaic effect are utilized in visible light to carry out photovoltaic power generation through a photovoltaic panel, and full-spectrum utilization of solar energy is realized. Meanwhile, working medium channels are arranged in the photovoltaic plate, when the temperature of the photovoltaic plate is too high, heat can be dissipated through flowing of heat conduction oil in the working medium channels, and when the temperature of the photovoltaic plate is too low, energy in the energy storage tank can be utilized for heating the photovoltaic plate, so that the working efficiency of the photovoltaic plate is kept stable.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. Photovoltaic comprehensive utilization device based on photoisomerization, characterized by comprising:
a photovoltaic panel (1) for converting solar energy into electrical energy;
an optical glass lens (5) for reflecting sunlight onto the photovoltaic panel (1);
the working medium channel (2) is positioned in the photovoltaic panel (1) and is used for cooling or heating the photovoltaic panel (1) through the flowing of the working medium in the working medium channel (2);
the spectrum frequency division film (3) is used for dividing sunlight reflected by the optical glass lens (5) into two beams according to different wavelengths;
a photoisomerization reactor (4) for introducing photons in the ultraviolet region and part of the visible light region separated by the spectral division film (3) into the photoisomerization reactor (4), so that the photochemical reactant (A) is activated by light, and the photochemical reactant (A) and the introduced photons undergo photoisomerization reaction, and energy is stored in a chemical bond form;
a transfer conduit (6) for collecting and transferring the photochemical product (B) generated in the photoisomerization reactor (4) to an energy storage tank (7) for storage;
-an energy storage tank (7) for storing said photochemical product (B) collected and transported by said transport conduit (6).
2. The photovoltaic comprehensive utilization device based on photoisomerization according to claim 1, wherein the working medium in the working medium channel (2) is heat conducting oil.
3. The photovoltaic comprehensive utilization device based on photoisomerization according to claim 1, wherein the optical glass lens (5) is a linear fresnel condenser.
4. The photovoltaic integrated utilization device based on photoisomerization according to claim 1, wherein the spectral divider film (3) is an optical film.
5. The photovoltaic comprehensive utilization device based on photoisomerization according to claim 1, wherein the photochemical reactant (a) is azobenzene and its derivative or norbornadiene and its derivative.
6. The photovoltaic comprehensive utilization device based on photoisomerization according to claim 1, wherein the photovoltaic panel comprises toughened glass, transparent EVA, photovoltaic cells, transparent EVA, a backboard, an aluminum plate and the working medium channel which are respectively arranged from top to bottom.
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| CN202111004643.XA CN113726265B (en) | 2021-08-30 | 2021-08-30 | Photovoltaic comprehensive utilization device based on photoisomerization |
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| CN202111004643.XA CN113726265B (en) | 2021-08-30 | 2021-08-30 | Photovoltaic comprehensive utilization device based on photoisomerization |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101113A (en) * | 2014-06-26 | 2014-10-15 | 同济大学 | Solar photothermal and photoelectric frequency division utilization system |
| CN209982430U (en) * | 2019-06-11 | 2020-01-21 | 北京兆阳能源技术有限公司 | Solar full-spectrum frequency division photovoltaic photo-thermal power generation device |
| CN111478657A (en) * | 2020-04-28 | 2020-07-31 | 天津大学 | Photovoltaic reflector-based solar full-spectrum light condensation utilization system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200127601A1 (en) * | 2018-10-17 | 2020-04-23 | Orenko Limited | Sunlight collection and transportation system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101113A (en) * | 2014-06-26 | 2014-10-15 | 同济大学 | Solar photothermal and photoelectric frequency division utilization system |
| CN209982430U (en) * | 2019-06-11 | 2020-01-21 | 北京兆阳能源技术有限公司 | Solar full-spectrum frequency division photovoltaic photo-thermal power generation device |
| CN111478657A (en) * | 2020-04-28 | 2020-07-31 | 天津大学 | Photovoltaic reflector-based solar full-spectrum light condensation utilization system and method |
Non-Patent Citations (1)
| Title |
|---|
| 基于纳米流体的光伏热联用装置及其理论分析;罗朋;白建波;李华锋;彭俊;张臻;曹飞;章国芳;;可再生能源(第05期);第633-638页 * |
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