CN111947327B - Solar photovoltaic photo-thermal air heat collector - Google Patents
Solar photovoltaic photo-thermal air heat collector Download PDFInfo
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- CN111947327B CN111947327B CN202010861404.5A CN202010861404A CN111947327B CN 111947327 B CN111947327 B CN 111947327B CN 202010861404 A CN202010861404 A CN 202010861404A CN 111947327 B CN111947327 B CN 111947327B
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- 238000010521 absorption reaction Methods 0.000 claims description 26
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- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 14
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 239000005341 toughened glass Substances 0.000 claims description 8
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 5
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- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
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- 238000006243 chemical reaction Methods 0.000 abstract description 5
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- 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
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- 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
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
- F24S10/55—Solar heat collectors using working fluids the working fluids being conveyed between plates with enlarged surfaces, e.g. with protrusions or corrugations
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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
- F24S70/12—Details of absorbing elements characterised by the absorbing material made of metallic material
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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
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
- F24S70/225—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption for spectrally selective absorption
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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
- F24S70/60—Details of absorbing elements characterised by the structure or construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- 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)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a novel solar photovoltaic photo-thermal air collector which comprises a shell, a wave-shaped plate, a photovoltaic cell panel, a substrate and a ribbed plate, wherein a light-passing board is arranged at the top of the shell, the substrate is arranged in an inner cavity of the shell, the photovoltaic cell panel is arranged on the top surface of the substrate, an inner cavity of the shell at the upper part of the substrate is provided with an upper air channel, an inner cavity of the shell at the lower part of the substrate is provided with a lower air channel, the wave-shaped plate is assembled at the upper part of the upper air channel and the bottom of the light-passing board, the ribbed plate is arranged at the bottom of the substrate, the ribbed plate is arranged in the lower air channel, and the front end surface and the rear end surface of the shell are opened and are air inlets and air outlets of the upper air channel and the lower air channel. Has the advantages that: the air heat collector provided by the invention has a reasonable structure and feasible technology, can reduce the temperature of the photovoltaic cell assembly, improve the power generation efficiency of the photovoltaic cell assembly, improve the air heat collection quality, synergistically improve the photoelectric and photo-thermal conversion efficiency, improve the comprehensive utilization rate of solar energy by more than 20%, and is favorable for large-area popularization and utilization of the solar energy.
Description
Technical Field
The invention relates to an air heat collector, in particular to a novel solar photovoltaic photo-thermal air heat collector.
Background
At present, the traditional solar air heat collector has the problems of low heat collecting efficiency, low air outlet temperature, large heat loss, low air convection heat transfer coefficient and the like, while the solar photovoltaic cell module can only convert a small part of incident solar energy (10-15%), most of which are converted to heat, causing the temperature of the assembly to rise, resulting in output characteristics that are affected and thus a significant reduction in power, therefore, the control of the temperature of the photovoltaic module in the actual operation process has important significance for the high-efficiency utilization of solar energy, the solar photovoltaic photo-thermal air heat collector can not only reduce the temperature of the photovoltaic cell module and improve the power generation efficiency, but also improve the air heat collection quality, effectively solves the contradiction between the two, the invention relates to a novel solar photovoltaic photo-thermal air heat collector which improves the comprehensive utilization efficiency of solar energy through the structural optimization design, and is a problem to be solved urgently.
Disclosure of Invention
The invention mainly aims to improve the comprehensive utilization rate of solar energy, realize the cooperative improvement of solar photo-thermal and photoelectric conversion rates and maximize the utilization of solar energy.
The invention provides a novel solar photovoltaic photo-thermal air collector which comprises a shell, a wave-shaped plate, a photovoltaic cell panel, a substrate and a ribbed plate, wherein the top of the shell is provided with a light-transmitting plate, the substrate is arranged in an inner cavity of the shell, the photovoltaic cell panel is arranged on the top surface of the substrate, the inner cavity of the shell at the upper part of the substrate is provided with an upper air channel, the inner cavity of the shell at the lower part of the substrate is provided with a lower air channel, the wave-shaped plate is assembled at the upper part of the upper air channel and the bottom of the light-transmitting plate, the ribbed plate is arranged at the bottom of the substrate, the ribbed plate is arranged in the lower air channel, and the front end surface and the rear end surface of the shell are provided with openings which are air inlets and air outlets of the upper air channel and the lower air channel.
The light-transmitting plate at the top of the shell is composed of two layers of suede toughened glass plates, a vacuum is arranged between the two layers of suede toughened glass plates, the wave-shaped plate is a light-transmitting glass plate, and the space surrounded by the wave-shaped plate, the light-transmitting plate and the two sides of the shell is a sealed space.
The photovoltaic cell board sets up to several rows on the horizontal of base plate, and the photovoltaic cell board sets up to the number in the vertical of base plate and arranges, has seted up first vent on the base plate between the horizontal adjacent photovoltaic cell board of base plate, and first vent corresponds the valley bottom setting of wave-shaped plate.
The base plate is three layer construction, and wherein the top layer of base plate is transparent PET board, and photovoltaic cell board passes through the EVA adhesive bonding on the PET board, and the middle level of base plate is the absorbing film, and the bottom layer of base plate is the metal level of high thermal conductivity.
The absorption film of the middle layer of the substrate is a selective absorption film, the material of the absorption film is reduced graphene oxide, the sunlight absorptivity of the absorption film is 0.92, and the thermal emissivity is 4%.
The floor comprises the metal sheet of high thermal conductivity, the top of floor links firmly with the metal layer of base plate bottom mutually, the bottom mounting of floor is on the bottom plate of casing, the floor is provided with several rows, the floor of adjacent row sets up in a staggered way, every floor has all seted up several rows of second ventilation openings, second ventilation opening department is provided with the deflector, the deflector is used for the direction of second ventilation opening department wind current, thereby the one end of deflector links firmly mutually with the floor and makes deflector and floor form overall structure, the deflector on the adjacent second ventilation opening is crisscross to be established in the both sides of floor, thereby make the wind that flows through floor both sides carry out the side to side shuttle in second ventilation opening department, the shape of deflector is for
And (4) molding.
The two side plates and the bottom plate of the shell are filled with heat insulation materials.
The working principle of the invention is as follows:
when the novel solar photovoltaic photo-thermal air collector provided by the invention is used, part of sunlight irradiates on the photovoltaic cell panel, the photovoltaic cell panel generates electric energy, part of sunlight irradiates on the absorption film in the middle layer of the substrate through the transparent PET plate on the top layer of the substrate, the part of sunlight is efficiently converted into heat energy due to the low emissivity of the absorption film to the environment and the high absorption ratio of the absorption film to solar spectrum, the radiation heat transfer of the absorption film to the environment is extremely low, the heat absorbed by the absorption film heats the PET plate, the metal layer and the rib plate at the bottom of the substrate, the part of heat energy is efficiently absorbed by the air on the upper side and the lower side of the PET plate, the temperature of the photovoltaic cell panel is greatly reduced, and the photoelectric conversion efficiency is improved.
The heat collector provided by the invention can operate in a natural convection active mode under the action of the fan and can also operate in a natural convection passive mode by depending on sunlight.
The air flows in the upper air duct formed by the substrate and the wave-shaped plate, because the wave-shaped plate can change the cross sectional area of air circulation alternately, the cross sectional area of the lower convex part of the wave-shaped plate is reduced, the flow rate of the air is increased, the pressure is reduced, pressure difference is formed up and down in the first vent on the substrate, the air of the lower layer is injected to the upper layer to form upward-spraying air flow, the air flow can effectively destroy the flow boundary layer of air convection heat transfer, and the disturbance of the flow boundary layer is enhanced, meanwhile, the disturbance of the convection heat transfer boundary layer can be enhanced through the alternate change of the circulation cross sectional area, so that the thermal resistance of the convection heat transfer is greatly reduced, and the convection heat transfer of the substrate and the air of the upper layer is enhanced.
Because the ribbed plates are arranged in the lower air duct in a segmented staggered manner, air flows in the lower air duct surrounded by the metal layer at the bottom of the substrate, the ribbed plates and the heat-insulating shell, the flowing boundary layer of the flow in the tube is gradually thickened along the length direction of the tube according to the principle of flow heat exchange in the tube, the thermal resistance of convection heat transfer is also gradually enhanced, the segmented staggered arrangement of the ribbed plates ensures that the channel of the air flow is suddenly changed after the flowing boundary layer is thickened to a certain degree, the flowing boundary layer is regenerated, the thickness of the boundary layer is gradually thickened from zero, the flowing process is repeated, the thickness of the flowing boundary layer is integrally kept at a thinner level, the thermal resistance of the flow heat transfer can be effectively reduced, meanwhile, because the guide plates are staggered at the left side and the right side of the ribbed plates, the second ventilation openings are arranged at the guide plates, part of the air is guided to flow to the other side of the ribbed plates under the action of the front guide plates, the boundary layer on the other side is disturbed by the airflow, and along the air flow direction, the existence of the guide plate leads a part of air to be disturbed and circulated between the second air vents at the guide plate left and right, thereby greatly strengthening the turbulent flow state of the flow boundary layer.
The top of the shell is set to be a double-layer vacuum structure of the suede toughened glass, so that heat conduction and heat loss through the surface can be effectively reduced, and the heat insulation shell of the shell can effectively reduce heat dissipation loss of the heat collector.
The invention has the beneficial effects that:
the novel solar photovoltaic photo-thermal air heat collector provided by the invention has a reasonable structure and feasible technology, can reduce the temperature of a photovoltaic cell assembly, improve the power generation efficiency of the photovoltaic cell assembly, improve the air heat collection quality, synergistically improve the photoelectric and photo-thermal conversion efficiency, improve the comprehensive utilization rate of solar energy by more than 20%, and is favorable for large-area popularization and utilization of solar energy.
Drawings
Fig. 1 is a schematic view of the overall structure of the heat collector of the present invention.
FIG. 2 is a partial structural view of the heat collector of the present invention.
FIG. 3 is a schematic top view of the heat collector of the present invention.
FIG. 4 is a schematic view of the longitudinal cross-section of the collector of the present invention.
FIG. 5 is a schematic view of a partial structure of a longitudinal section of the collector of the present invention.
FIG. 6 is a schematic diagram of the transverse cross-sectional structure of the heat collector of the present invention.
FIG. 7 is a schematic view of a cross-sectional partial structure of the heat collector of the present invention.
Fig. 8 is a top view of the rib arrangement of the present invention.
The labels in the above figures are as follows:
1. casing 2, wave-shaped plate 3, photovoltaic cell panel 4, base plate 5, floor
6. Light-passing board 7, upper air duct 8, lower air duct 9, first ventilation opening 10 and second ventilation opening
11. A guide plate.
Detailed Description
Please refer to fig. 1 to 8:
the invention provides a novel solar photovoltaic photo-thermal air collector which comprises a shell 1, a wave-shaped plate 2, a photovoltaic cell panel 3, a substrate 4 and a ribbed plate 5, wherein a light-transmitting plate 6 is arranged at the top of the shell 1, the substrate 4 is arranged in an inner cavity of the shell 1, the photovoltaic cell panel 3 is arranged on the top surface of the substrate 4, an upper air channel 7 is arranged in an inner cavity of the shell 1 at the upper part of the substrate 4, a lower air channel 8 is arranged in an inner cavity of the shell 1 at the lower part of the substrate 4, the wave-shaped plate 2 is assembled at the upper part of the upper air channel 7 and the bottom of the light-transmitting plate 6, the ribbed plate 5 is arranged at the bottom of the substrate 4, the ribbed plate 5 is arranged in the lower air channel 8, and the front end face and the rear end face of the shell 1 are opened and are air inlets and outlets of the upper air channel 7 and the lower air channel 8.
The light-transmitting plate 6 on the top of the shell 1 is composed of two layers of suede toughened glass plates, a vacuum is arranged between the two layers of suede toughened glass plates, the wave-shaped plate 2 is a light-transmitting glass plate, and the space surrounded by the wave-shaped plate 2, the light-transmitting plate 6 and the two sides of the shell 1 is a sealed space.
The substrate 4 is a three-layer structure, wherein the top layer of the substrate 4 is a transparent PET (polyethylene terephthalate) plate, the photovoltaic cell panel 3 is bonded on the PET plate through EVA (ethylene vinyl acetate) glue, the middle layer of the substrate 4 is an absorption film, and the bottom layer of the substrate 4 is a metal layer with high thermal conductivity.
The absorption film in the middle layer of the substrate 4 is a selective absorption film, the material of the absorption film is reduced graphene oxide, the solar light absorption rate of the absorption film is 0.92, and the thermal emissivity is 4%.
The ribbed slab 5 comprises metal plates with high thermal conductivity, the top end of the ribbed slab 5 is fixedly connected with the metal layer at the bottom of the substrate 4, the bottom end of the ribbed slab 5 is fixed on the bottom plate of the shell 1, the ribbed slab 5 is provided with a plurality of rows, the ribbed slabs 5 of adjacent rows are arranged in a staggered manner, each ribbed slab 5 is provided with a plurality of rows of second ventilation openings 10, the second ventilation openings 10 are provided with guide plates 11, the guide plates 11 are used for guiding the airflow at the second ventilation openings 10, one end of each guide plate 11 is fixedly connected with the ribbed slab 5, so that the guide plates 11 and the ribbed slab 5 form an integral structure, the guide plates 11 on the adjacent second ventilation openings 10 are arranged at two sides of the ribbed slab 5 in a staggered manner, and therefore the airflow passing through the ribbed slab 5The wind on the two sides shuttles left and right at the second ventilation opening 10, and the guide plate 11 is shaped as
And (4) molding.
The two side plates and the bottom plate of the shell 1 are filled with heat insulation materials.
The working principle of the invention is as follows:
when the novel solar photovoltaic photo-thermal air collector provided by the invention is used, part of sunlight irradiates on the photovoltaic cell panel 3, the photovoltaic cell panel 3 generates electric energy, part of sunlight irradiates on the absorption film in the middle layer of the substrate 4 through the transparent PET plate on the top layer of the substrate 4, the part of sunlight is efficiently converted into heat energy due to the low emissivity of the absorption film to the environment and the high absorption ratio of the absorption film to solar spectrum, the radiation heat transfer of the absorption film to the environment is extremely low, the heat absorbed by the absorption film heats the PET plate, the metal layer and the ribbed plate 5 at the bottom of the substrate 4, the part of heat energy is efficiently absorbed by the air on the upper side and the lower side of the PET plate, the temperature of the photovoltaic cell panel 3 is greatly reduced, and the photoelectric conversion efficiency is improved.
The heat collector provided by the invention can be operated in an active mode under the action of the fan and can also be operated in a passive mode of natural convection by means of sunlight.
The air flows in the upper air duct 7 formed by the base plate 4 and the wave-shaped plate 2, because the wave-shaped plate 2 can change the cross-sectional area of air circulation alternately, the cross-sectional area at the lower convex part of the wave-shaped plate 2 becomes smaller, the flow speed of the air is increased, the pressure is reduced, the pressure difference is formed up and down by the first ventilation opening 9 on the base plate 4, the air at the lower layer is injected to the upper layer to form the air flow which is sprayed upwards, the air flow can effectively destroy the flow boundary layer of air convection heat transfer, and the disturbance of the flow boundary layer is enhanced, meanwhile, the disturbance of the convection heat transfer boundary layer can be enhanced by the alternate change of the circulation cross-sectional area, so the thermal resistance of the convection heat transfer is greatly reduced, and the convection heat transfer of the base plate 4 and the air at the upper layer is enhanced.
Because the ribbed slab 5 arranged in a sectional and staggered way is arranged in the lower air duct 8, air flows in the lower air duct 8 surrounded by the metal layer at the bottom of the substrate 4, the ribbed slab 5 and the heat-insulating shell 1, according to the principle of flow heat exchange in the pipe, the flowing boundary layer of the flow in the pipe along the length direction of the pipe is gradually thickened, the thermal resistance of convection heat transfer is also gradually enhanced, because the sectional and staggered way of the ribbed slab 5, after the flowing boundary layer is thickened to a certain degree, the channel of the air flow is suddenly changed, the flowing boundary layer is regenerated, the thickness of the boundary layer is gradually thickened from zero, the flowing process is repeated, the thickness of the flowing boundary layer is integrally in a thinner level, the thermal resistance of the flowing heat can be effectively reduced, meanwhile, because the guide plates 11 are arranged on the left side and the right side of the ribbed slab 5 in a staggered, a part of air is guided to flow to the other side of the ribbed plate 5, the boundary layer on the other side is disturbed by the airflow, along the air flow direction, the existence of the guide plate 11 enables a part of air to be disturbed and circulated between the second ventilation openings 10 at the position of the guide plate 11 left and right, the turbulent flow state of the flow boundary layer is greatly strengthened, under the double effects of the sectional staggered arrangement of the ribbed plate 5 and the staggered arrangement of the guide plate 11, the thickness of the flow boundary layer is thinner, the disturbance inside the boundary layer is very strong, and therefore the convection heat transfer of the air on the lower side is greatly strengthened.
The top of the shell 1 is set to be a double-layer vacuum structure of suede toughened glass, heat conduction and heat loss through the surface can be effectively reduced, and the heat insulation shell of the shell 1 can effectively reduce heat dissipation loss of the heat collector.
Claims (6)
1. The utility model provides a solar photovoltaic light hot air heat collector, which comprises a housin, the wave shaped plate, photovoltaic cell board, base plate and floor, wherein the top of casing is provided with the light-passing board, the base plate is established in the inner chamber of casing, photovoltaic cell board establishes on the top surface of base plate, the inner chamber of base plate upper portion casing sets up to last wind channel, the inner chamber of base plate lower part casing sets up to wind channel down, the wave shaped plate assembles the bottom at last wind channel upper portion and light-passing board, the floor is established in the bottom of base plate, the floor is established in wind channel down, the front and back terminal surface opening of casing, for the business turn over wind gap in last wind channel and lower wind channel, a serial communication port, the utility model is characterized in that: the floor constitute by the metal sheet of high thermal conductivity, the top of floor links firmly with the metal level of base plate bottom mutually, the bottom mounting of floor is on the bottom plate of casing, the floor is provided with several rows, the crisscross setting of floor of adjacent row, several rows of second ventilation openings have all been seted up to every floor, second ventilation opening department is provided with the deflector, the deflector is used for the direction of second ventilation opening department air current, thereby the one end of deflector links firmly mutually with the floor and makes deflector and floor form overall structure, the deflector on the adjacent second ventilation opening is crisscross to be established in the both sides of floor, thereby make the wind that flows through the floor both sides carry out the side-to-side shuttle in second ventilation opening department, the shape of deflector is "formula" type.
2. The solar photovoltaic photo-thermal air collector according to claim 1, wherein: the light-transmitting plate at the top of the shell is composed of two layers of suede toughened glass plates, a vacuum is arranged between the two layers of suede toughened glass plates, the wave-shaped plate is a light-transmitting glass plate, and the space surrounded by the wave-shaped plate, the light-transmitting plate and the two sides of the shell is a sealed space.
3. The solar photovoltaic photo-thermal air collector according to claim 1, wherein: the photovoltaic cell board set up to several rows on the horizontal of base plate, the photovoltaic cell board sets up to several rows in the vertical of base plate, has seted up first vent on the base plate between the horizontal adjacent photovoltaic cell board of base plate, first vent corresponds the valley bottom setting of wave-shaped plate.
4. The solar photovoltaic photo-thermal air collector according to claim 1, wherein: the solar photovoltaic solar cell panel is characterized in that the substrate is of a three-layer structure, the top layer of the substrate is a transparent PET (polyethylene terephthalate) plate, the photovoltaic cell panel is bonded on the PET plate through EVA (ethylene-vinyl acetate) glue, the middle layer of the substrate is an absorption film, and the bottom layer of the substrate is a metal layer with high thermal conductivity.
5. The solar photovoltaic photo-thermal air collector according to claim 4, wherein: the absorption film of the middle layer of the substrate is a selective absorption film, the absorption film is made of reduced graphene oxide, the sunlight absorptivity of the absorption film is 0.92, and the thermal emissivity is 4%.
6. The solar photovoltaic photo-thermal air collector according to claim 1, wherein: the two side plates and the bottom plate of the shell are filled with heat insulation materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861404.5A CN111947327B (en) | 2020-08-25 | 2020-08-25 | Solar photovoltaic photo-thermal air heat collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861404.5A CN111947327B (en) | 2020-08-25 | 2020-08-25 | Solar photovoltaic photo-thermal air heat collector |
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| Publication Number | Publication Date |
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| CN111947327A CN111947327A (en) | 2020-11-17 |
| CN111947327B true CN111947327B (en) | 2021-09-24 |
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| CN202010861404.5A Active CN111947327B (en) | 2020-08-25 | 2020-08-25 | Solar photovoltaic photo-thermal air heat collector |
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