CN107171637A - A kind of Wind-cooling type photovoltaic and photothermal integral component - Google Patents
A kind of Wind-cooling type photovoltaic and photothermal integral component Download PDFInfo
- Publication number
- CN107171637A CN107171637A CN201710410521.8A CN201710410521A CN107171637A CN 107171637 A CN107171637 A CN 107171637A CN 201710410521 A CN201710410521 A CN 201710410521A CN 107171637 A CN107171637 A CN 107171637A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- integral component
- wind
- basalis
- photothermal integral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000005336 safety glass Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 claims description 2
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 238000013086 organic photovoltaic Methods 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 2
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000002268 wool Anatomy 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
Abstract
A kind of Wind-cooling type photovoltaic and photothermal integral component, belongs to solar power plant field.Including transparent covering layer, photovoltaic cell layer, cushion and basalis；The transparent covering layer is in the top；The cushion is located between transparent covering layer and basalis, and cushion is included two layers, and upper strata fits with transparent covering layer, and lower floor fits with basalis；The photovoltaic cell layer is in two buffer layer and coated by it；The basalis is sheet-metal layers, inside sets cavity；The structure of the photovoltaic and photothermal integral component utilizes the runner design of existing commercial air energy heat collector, with reference to photovoltaic generation part, the generation of electric energy and heat energy can be realized simultaneously, the heat for not only improving photovoltaic and photothermal integral component scatters and disappears, it can be combined again with building, adjusted by the flow velocity and flow direction of air, realize the Intelligent adjustment of temperature in building, meet human comfort requirement.
Description
Technical field
The invention belongs to solar power plant field, and in particular to a kind of Wind-cooling type photovoltaic and photothermal integral component.
The component can be realized to architectural power supply and building and heating simultaneously, reduce building energy consumption, safe green environmental protection.
Background technology
With expanding economy and the progress of society, people also increasingly increase the demand of the energy, but conventional fossil energy
Source reserves are limited and non-renewable, and the important of energy crisis is solved so finding new and renewable sources of energy and turning into countries in the world
Approach.Solar energy is obtained too every year as one of important composition of new and renewable sources of energy, reserves very abundant, the whole world
Sun can equivalent to 68,000,000,000,000 tons oil, so its exploitation has very big potentiality.Meanwhile, solar energy or it is a kind of efficiently,
Free of contamination regenerative resource, therefore, the exploitation of solar energy are increasingly paid attention to by countries in the world.
In Existing commercial solar product, mainly there are two kinds of solar photovoltaic utilization and solar thermal utilization using the mode of solar energy.But
It is solar photovoltaic utilization-solar cell, because the temperature effect of making material itself causes its conversion efficiency to be raised gradually with temperature
Reduce, cause portion of energy loss；And solar thermal utilization-solar water heater, because its function is relatively simple, and use
Effect is not ideal enough, is difficult the problems such as frosting and fouling to solve.So, the photovoltaic light of photovoltaic/thermal two ways can be realized simultaneously
Heating integrated product arises at the historic moment.
In addition, in social total energy consumption, architectural energy consumption accounts for more than 30%, including air-conditioning, heating and domestic hot water institute
Energy consumption is needed to account for about the 30% of the whole energy consumptions of family.And a kind of Wind-cooling type photovoltaic and photothermal integral component involved in the present invention, both
Electric energy can be provided for building to photovoltaic cell high efficiency and heat radiation using circulation air, again can be sharp again using the used heat of photovoltaic cell
With for building heating, being that family saves many energy consumptions, and clean environment firendly, safety is sustainable.
The content of the invention
The present invention can mutually be tied there is provided one kind for the above-mentioned deficiency of prior art using air energy heat collector with photovoltaic cell
The Wind-cooling type photovoltaic and photothermal integral component of conjunction, realizing can also while moving air cooling photovoltaic cell increase electric energy is exported
Heating is provided for architecture indoor, indoor temperature is adjusted, building energy consumption is saved.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of Wind-cooling type photovoltaic and photothermal integral
Component, including transparent covering layer, photovoltaic cell layer, cushion and basalis；The transparent covering layer is in the top；It is described slow
Layer is rushed to be located between transparent covering layer and basalis, and cushion is included two layers, and upper strata fits with transparent covering layer, lower floor
Fitted with basalis；The photovoltaic cell layer is between two buffer layer and by two layers of cladding up and down；The basalis is
Sheet-metal layers, inside set cavity as runner, inside have fluid media (medium) (such as air) flowing evacuation heat and make heat recyclable sharp again
With.
Transparent covering layer of the present invention can be safety glass or transparent resin, and transparent covering layer is transmitance>90%,
Thickness is 3.2-5mm, preferably safety glass.
Cushion of the present invention is heat molten type transparent colloid material, preferably EVA (ethylene-vinyl acetate cs
Thing) glue, and gluing temperature is in the range of 130 DEG C -150 DEG C.
Basalis of the present invention uses aluminium alloy box or hollow aluminium section bar, and thickness is 5-50mm, in being preferably
Empty aluminium profiles, thickness is 10mm；Radiating cavity is set in the structure, inside has fluid media (medium) to pass through, cavity depth and spacing (cavity wall thickness
Degree) than being 1:1, photovoltaic cell is radiated for gas circulation, the operating temperature of photovoltaic cell is reduced, increase photoelectricity is defeated
Go out；The hollow aluminium section bar substrate can reduce the cost of manufacture of whole component, can also strengthen component impact strength (with
Conventional photovoltaic component is compared).The section shape of runner vertical fluid flow direction of the present invention is rectangle or triangle
Or hexagon, it is preferably rectangular.
Radiating flow passage structure of the present invention is connected with ventilation shaft, realizes gas in runner interior circulation by temperature difference
Flowing, takes away the heat of photovoltaic cell generation.
The preferred gas medium of fluid media (medium) of the present invention, it under air or normal temperature is gaseous refrigerant that can be, excellent
Elect air as.
The photovoltaic cell of photovoltaic cell layer of the present invention is monocrystalline silicon piece, polysilicon chip, amorphous silicon chip, CIGS
One kind in the photovoltaic field commercially available prod such as piece, gallium arsenide film, cadmium telluride piece, organic photovoltaic piece, preferably multi-disc
It is in series.
During Wind-cooling type photovoltaic and photothermal integral Component encapsulating of the present invention, encapsulated according to order from bottom to up：It is followed successively by
Basalis (hollow aluminium section bar), cushion (EVA glue), photovoltaic cell layer, cushion (EVA glue) and transparent covering layer (tempering glass
Glass), and the laminating of each layers cementing is firm, as shown in Figure 1.
Wind-cooling type photovoltaic and photothermal integral component of the present invention can be used for making Commercial photovoltaic light-heat integration product, its
Product Rendering can be for shown in Fig. 2 or Fig. 3.
The structure of the photovoltaic and photothermal integral component utilizes the runner design of existing commercial air energy heat collector, with reference to light
Electrical generation components are lied prostrate, the generation of electric energy and heat energy can be realized simultaneously, the heat for not only improving photovoltaic and photothermal integral component scatters and disappears, again
It can be combined with building, be adjusted by the flow velocity and flow direction of air, realize the Intelligent adjustment of temperature in building, met human body and relax
Appropriateness is required, can also mitigate photovoltaic and photothermal integral component own wt by hollow thin fin like structures, easy for installation, section
About cost.
Using the structure, using the flow passage structure of air collector as the basalis of photovoltaic module, while also photovoltaic group
Part can not only be realized as the cover layer of air collector and realize photoelectricity and photo-thermal using a photovoltaic and photothermal integral component
Two ways utilizes solar energy simultaneously, improves unit area solar energy utilization ratio, and the shock resistance that can also strengthen photovoltaic module is special
Property.In addition, the flow passage structure design of inner hollow, can be passed through air or gaseous refrigerant inside it, can increase the structure
The area of dissipation of part, contributes to radiating and the recycling of photovoltaic cell, can also be adjusted by gas flow, realize indoor temperature
To indoor heating when low, to outdoor radiating when indoor temperature is high, and then realize that the whole year of component of the present invention uses without season limit.
Brief description of the drawings
Fig. 1 is the structural representation of Wind-cooling type photovoltaic and photothermal integral component of the present invention；
Fig. 2 is a kind of Product Rendering of air-cooled photovoltaic and photothermal integral component of the present invention；
Fig. 3 is another Product Rendering of air-cooled photovoltaic and photothermal integral component of the present invention.
Marked in Fig. 1：1- Wind-cooling type photovoltaic and photothermal integral components, 1- transparent covering layers, 2- photovoltaic cell layers, 3- bufferings
Layer, 4- basalises.
Marked in Fig. 2 and Fig. 3：1- Wind-cooling type photovoltaic and photothermal integral components, 1- transparent covering layers, 2- photovoltaic cell layers,
3- cushions, 4- basalises, 5- heat-insulation layers, 6- metal edge frames.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description, but is not limited only to following reality
Apply example.
Wind-cooling type photovoltaic and photothermal integral component of the present invention at least includes transparent covering layer, cushion, photovoltaic electric
Pond layer and basalis, as shown in Figure 1.The transparent covering layer uses safety glass 3.2mm, one-sided smooth, simultaneously making herbs into wool, chi
It is very little to be adjusted according to the serial number of photovoltaic cell；The cushion is EVA glue, and thickness is 0.38-0.45mm, gluing temperature
Spend for 130 DEG C -180 DEG C；The photovoltaic cell layer is crystal-silicon battery slice, and its monolithic size is 156mm*156mm*0.2mm；It is described
Basalis be hollow aluminium section bar, its thickness be 10mm, built-in radiating flow passage, diameter 8mm, runner spacing be 10mm, cross section is
Rectangle；The hollow aluminium section bar two ends are provided with beam wind pipeline and ventilating opening, and tuyere diameter is 25mm, and ventilating opening can be connected with airduct
Connect, can both have been flowed using gas in runner and give photovoltaic cell radiating, can also divulged information to architecture indoor, be that indoor offer is adopted
It is warm, indoor temperature adjustment effect is played, and then building part energy consumption is offset, realize the energy-conserving and environment-protective of building.
A kind of actual package design sketch for the Wind-cooling type photovoltaic and photothermal integral component that the present invention is designed as shown in Figure 2,
Sequentially it is followed successively by from bottom to up：Metal edge frame, heat-insulation layer, shape, EVA cushions, photovoltaic cell layer, EVA cushions, steel
Change glass cover and safety glass cover layer.
Another actual package design sketch for the Wind-cooling type photovoltaic and photothermal integral component that the present invention the is designed such as institute of accompanying drawing 3
Show, be sequentially followed successively by from bottom to up：Metal edge frame, heat-insulation layer, shape, EVA cushions, photovoltaic cell layer, EVA cushions
With safety glass cover layer.
Claims (8)
1. a kind of Wind-cooling type photovoltaic and photothermal integral component, it is characterised in that including transparent covering layer, photovoltaic cell layer, buffering
Layer and basalis；The transparent covering layer is in the top；The cushion is located between transparent covering layer and basalis, and
Cushion is included two layers, and upper strata fits with transparent covering layer, and lower floor fits with basalis；The photovoltaic cell layer is in two
Between layer cushion and by two layers of cladding up and down；The basalis is sheet-metal layers, inside sets cavity as runner, inside there is fluid Jie
The dynamic evacuation heat of mass flow simultaneously makes the recyclable recycling of heat.
2. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that the transparent covering
Layer can be safety glass or transparent resin, and transparent covering layer is transmitance>90%, thickness is 3.2-5mm.
3. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that the cushion is
Heat molten type transparent colloid material, and gluing temperature is in the range of 130 DEG C -150 DEG C.
4. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that basalis uses aluminium
Alloy casing or hollow aluminium section bar, thickness is 5-50mm.
5. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that set sky in basalis
Chamber, cavity depth is 1 with gap ratio:1.
6. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that cavity runner is vertical
The section shape of fluid flow direction is rectangle or triangle or hexagon.
7. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that fluid media (medium) is preferred
Gas medium, it under air or normal temperature is gaseous refrigerant to be.
8. according to a kind of Wind-cooling type photovoltaic and photothermal integral component described in claim 1, it is characterised in that photovoltaic cell layer
Photovoltaic cell is monocrystalline silicon piece, polysilicon chip, amorphous silicon chip, CIGS piece, gallium arsenide film, cadmium telluride piece, organic photovoltaic piece
Deng one kind in the commercially available prod of photovoltaic field, it is in series using multi-disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410521.8A CN107171637A (en) | 2017-06-03 | 2017-06-03 | A kind of Wind-cooling type photovoltaic and photothermal integral component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410521.8A CN107171637A (en) | 2017-06-03 | 2017-06-03 | A kind of Wind-cooling type photovoltaic and photothermal integral component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107171637A true CN107171637A (en) | 2017-09-15 |
Family
ID=59824474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710410521.8A Pending CN107171637A (en) | 2017-06-03 | 2017-06-03 | A kind of Wind-cooling type photovoltaic and photothermal integral component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947327A (en) * | 2020-08-25 | 2020-11-17 | 长春工程学院 | Novel solar photovoltaic photo-thermal air heat collector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2109154A1 (en) * | 2008-04-09 | 2009-10-14 | Wolfgang Wismeth | Cooling/heating element, particularly for photovoltaic modules |
| CN104158477A (en) * | 2014-05-30 | 2014-11-19 | 信阳师范学院 | Photovoltaic building material component and building integrated photovoltaics structure using same |
| CN204696135U (en) * | 2015-07-08 | 2015-10-07 | 宁波红杉能源研究院有限公司 | Based on the aluminium section bar BIPV component with heat dissipation channel |
-
2017
- 2017-06-03 CN CN201710410521.8A patent/CN107171637A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2109154A1 (en) * | 2008-04-09 | 2009-10-14 | Wolfgang Wismeth | Cooling/heating element, particularly for photovoltaic modules |
| CN104158477A (en) * | 2014-05-30 | 2014-11-19 | 信阳师范学院 | Photovoltaic building material component and building integrated photovoltaics structure using same |
| CN204696135U (en) * | 2015-07-08 | 2015-10-07 | 宁波红杉能源研究院有限公司 | Based on the aluminium section bar BIPV component with heat dissipation channel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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