CN104485886B - Magnetic nano-fluid Flat type photovoltaic cogeneration system - Google Patents
Magnetic nano-fluid Flat type photovoltaic cogeneration system Download PDFInfo
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- CN104485886B CN104485886B CN201410842431.2A CN201410842431A CN104485886B CN 104485886 B CN104485886 B CN 104485886B CN 201410842431 A CN201410842431 A CN 201410842431A CN 104485886 B CN104485886 B CN 104485886B
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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
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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
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
-
- 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
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of magnetic nano-fluid Flat type photovoltaic cogeneration system, including photovoltaic battery panel, also include photovoltaic cell cooling assembly, photo-thermal assembly and flux control assembly；Described photovoltaic cell cooling assembly includes that first and second header and cooling tube, described cooling tube are contained in the back side of photovoltaic battery panel, the first header and the second header and are connected by cooling tube；The back side of described photovoltaic battery panel is additionally provided with heat-insulation layer；Described photo-thermal assembly includes heat exchanger, circulating pump and the hollow sheeting of transparent shape, and described hollow sheeting is arranged on the front of photovoltaic battery panel；Described flux control assembly includes that U-shaped Magnet and coil, described coil are wound on U-shaped Magnet, and described flux control assembly covers on outside hollow sheeting, and coil is positioned at the both sides of hollow sheeting；All there is nano-fluid in described first and second header, cooling tube, heat exchanger, hollow sheeting and circulating pump and closed circuit can be formed by circulating pump.The present invention has simple in construction, and can improve the advantages such as solar energy utilization ratio.
Description
Technical field
The present invention relates to a kind of photovoltaic cogeneration system, be specifically related to a kind of magnetic nano-fluid Flat type photovoltaic cogeneration system.
Background technology
Owing to solar energy resources enriches, and the energy of society's saving to be pursued now, therefore, the exploitation of solar energy have great potentiality.At present, the technology that utilizes of solar energy mainly has the basic mode such as photothermal deformation, photovoltaic generation.But, although photovoltaic generation can obtain high-grade electric energy product, but its subject matter to be photoelectric transformation efficiency relatively low so that cost is higher, and the spectrum band limits of available sunlight is narrower, the conversion efficiency of the common photovoltaic cell in prior art is also only at about 10%-20%.Utilization to solar energy optical-thermal is concentrated mainly on infrared part, and conversion efficiency is of a relatively high.If all band of sunlight can be utilized, by can the utilization rate of largely solar energy.
Traditional flat PV/T(photoelectricity, light-heat integration) system powered by photovoltaic battery panel, and photovoltaic battery panel can produce big calorimetric in the course of the work and can affect the transformation efficiency of photoelectricity, owing to electricity conversion can reduce with the rising of temperature, cooling working medium will pass through the heat exchange with photovoltaic battery panel, to reduce the purpose of plate gentleness generation hot working fluid, so, both improve electricity conversion, met thermic load the most to a certain extent.But, the most this heating effect is unsatisfactory, and general summer, hot water temperature can reach 40-60 DEG C, and the water temperature in winter only has about 10-30 DEG C, so the utilization rate of solar energy still can not be met demand.
Summary of the invention
It is an object of the invention to: provide one to be not only simple in structure, and the magnetic nano-fluid Flat type photovoltaic cogeneration system of solar energy utilization ratio can be improved, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical scheme is that a kind of magnetic nano-fluid Flat type photovoltaic cogeneration system, including photovoltaic battery panel, its innovative point is: also include photovoltaic cell cooling assembly, photo-thermal assembly and flux control assembly；
Described photovoltaic cell cooling assembly includes the first header, the second header and at least cooling tube, and described cooling tube is contained in the back side of photovoltaic battery panel, the first header and the second header and is connected by cooling tube；
The back side of described photovoltaic battery panel is additionally provided with heat-insulation layer, and described cooling tube is arranged in heat-insulation layer；
Described photo-thermal assembly includes heat exchanger, circulating pump and the hollow sheeting of transparent shape, described hollow sheeting is arranged on the front of photovoltaic battery panel, and hollow sheeting has cavity, described circulation delivery side of pump is connected with the bottom of the cavity of hollow sheeting, the top of the cavity of hollow sheeting is connected with the import of heat exchanger, the outlet of heat exchanger is connected with the import of the first header, the outlet of the first header is connected with the import of cooling tube, the outlet of cooling tube is connected with the import of the second header, and the outlet of the second header is connected with the import of circulating pump；
Described flux control assembly includes that U-shaped Magnet and coil, described coil are wound on U-shaped Magnet, and described flux control assembly covers on outside hollow sheeting, and coil is positioned at the both sides of hollow sheeting；
Nano-fluid is all had in described first header, cooling tube, the second header, heat exchanger, hollow sheeting and circulating pump.
In technique scheme, described nano-fluid is Fe3O4, or TiO2, or the nano-particle of shell core formula structure, the shell of the nano-particle of described shell core formula structure is SiO2, and inner core is Fe3O4, or TiO2, or Ni or Co.
In technique scheme, described cooling tube has many, and the back side of photovoltaic battery panel it is bonded at by heat-conducting glue, described many cooling tubes are arranged in heat-insulation layer with being respectively separated certain distance, the plate that described heat-insulation layer is polystyrene foam plastics or asbestos or polyurethane material is made.
In technique scheme, the back side of described photovoltaic battery panel is additionally provided with dividing plate, and described dividing plate is connected to the side deviating from photovoltaic cell back of heat-insulation layer.
In technique scheme, described first header and the second header lay respectively at above and below photovoltaic battery panel, and described hollow sheeting is arranged on the front of photovoltaic battery panel with keeping at a certain distance away, and this spacing distance controls in the range of 10mm～50mm.
In technique scheme, also including that left and right installing rack, described left and right installing rack are installed in the both sides of hollow sheeting, photovoltaic battery panel and dividing plate respectively, described flux control assembly is arranged on the bracing frame of left and right installing rack.
In technique scheme, also including every magnetosphere, the both sides of described flux control assembly are covered by described in the space that the bracing frame of magnetosphere and left and right installing rack is surrounded respectively.
In technique scheme, described it is made up of the one in polyurethane wave-absorbing material, the thin material of non-woven fabrics, ferrite wave-absorbing material or two kinds or three kinds every magnetosphere.
In technique scheme, described coil electrically connects with regulated power supply.
In technique scheme, described heat exchanger includes casing and the heat exchanger tube being marked with heat transferring medium, heat exchanger tube is predominantly located in casing, and the inlet and outlet of described heat exchanger is the two ends of heat exchanger tube respectively and is exposed at outside casing, and described heat exchanger tube is coil or coil pipe.
The good effect that the present invention is had is: after the combined production device of the employing present invention, advantageously,
1, the making full use of of all band frequency spectrum of solar radiation: visible ray is the main source of electric energy, infrared light is the main source of heat energy, optical characteristics by flux control assembly regulation nano-fluid, make the energy of the magnetic nano-fluid high efficiency absorption infrared light of energy, and the energy that photovoltaic battery panel absorbs visible ray can carry out photoelectric conversion, the conversion efficiency of described photovoltaic battery panel is 12%～about 25%, solar energy all band spectrum can be made full use of by the present invention, is a kind of means efficiently utilizing solar energy.
2, the double cooling of photovoltaic battery panel: in operating temperature range, the electricity conversion of the photovoltaic battery panel of the present invention can rise along with temperature and reduce, that is because, the cooling tube of photovoltaic cell back is flow through after the nano-fluid circulation that the heat exchanger of photo-thermal assembly of the present invention cools down, and heat exchange can be carried out with photovoltaic battery panel, to reach the effect of cooling, thus improve the photoelectric transformation efficiency of photovoltaic module.What is more important nanometer magnetofluid can absorb most infrared light in solar radiation, make use of photovoltaic cell to cannot be carried out the infrared spectrum of photoelectric conversion, thus also reduces the temperature of photovoltaic battery panel.This also makes nano-fluid be obtained in that the higher temperature of the heating integrated device of photovoltaic than conventional backboard cooled.
3, regulatable thermoelectricity output: the absorption of nano-fluid, refracting characteristic can be adjusted accordingly by the flux control assembly of the present invention, under the influence of a magnetic field, enhance absorption characteristic and the heat-transfer character of nano-fluid, decrease in transmission, and in certain magnetic field strength range, absorption characteristic and the heat-transfer character of nano-fluid strengthen with the enhancing of magnetic field intensity, and then the adjustability for the thermoelectricity output of the heating integrated device of photovoltaic provides a kind of possible, the difference for the thermoelectricity demand of user provides motility.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of detailed description of the invention of the present invention；
Fig. 2 is the A-A cross-sectional schematic of Fig. 1；
Fig. 3 is the B-B cross-sectional schematic of Fig. 1；
Fig. 4 is the structural representation of present invention heat exchanger.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that is given, the present invention is further illustrated, but is not limited thereto.
As shown in Figure 1,2,3, 4, a kind of magnetic nano-fluid Flat type photovoltaic cogeneration system, including photovoltaic battery panel 1, also include photovoltaic cell cooling assembly 2, photo-thermal assembly 3 and flux control assembly 4；
Described photovoltaic cell cooling assembly 2 includes the first header 2-1, the second header 2-3 and at least cooling tube 2-2, and described cooling tube 2-2 is contained in the back side of photovoltaic battery panel 1, the first header 2-1 and the second header 2-3 and is connected by cooling tube 2-2；
The back side of described photovoltaic battery panel 1 is additionally provided with heat-insulation layer 9, and described cooling tube 2-2 is arranged in heat-insulation layer 9；
nullDescribed photo-thermal assembly 3 includes heat exchanger 3-1、The hollow sheeting 3-2 of circulating pump 3-3 and transparent shape，Described hollow sheeting 3-2 is arranged on the front of photovoltaic battery panel 1，And hollow sheeting 3-2 has cavity 3-2-1，The outlet of described circulating pump 3-3 is connected with the bottom of the cavity 3-2-1 of hollow sheeting 3-2，The top of the cavity 3-2-1 of hollow sheeting 3-2 is connected with the import 3-1-1 of heat exchanger 3-1，The import 2-1-1 of the outlet 3-1-2 and the first header 2-1 of heat exchanger 3-1 is connected，The import 2-2-1 of outlet 2-1-2 and the cooling tube 2-2 of the first header 2-1 is connected，The import 2-3-1 of the outlet 2-2-2 and the second header 2-3 of cooling tube 2-2 is connected，The import of outlet 2-3-2 and the circulating pump 3-3 of the second header 2-3 is connected；
Described flux control assembly 4 includes that U-shaped Magnet 4-1 and coil 4-2, described coil 4-2 are wound on U-shaped Magnet 4-1, and described flux control assembly 4 covers on outside hollow sheeting 3-2, and coil 4-2 is positioned at the both sides of hollow sheeting 3-2；
Nano-fluid is all had in described first header 2-1, cooling tube 2-2, the second header 2-3, heat exchanger 3-1, hollow sheeting 3-2 and circulating pump 3-3.
The U-shaped Magnet 4-1 of the flux control assembly 4 of the present invention and coil 4-2 produces magnetic field under the effect of electric current, to strengthen nano-fluid in hollow sheeting 3-2 cavity 3-2-1 to the absorption of photo-thermal part and the capacity of heat transmission that improves nano-fluid.
Nano-fluid of the present invention is Fe3O4, or TiO2, or the nano-particle of shell core formula structure, the shell of the nano-particle of described shell core formula structure is SiO2, and inner core is Fe3O4, or TiO2, or Ni or Co.Described nano-fluid is nanometer ultramicro particles, and the ultramicro powder particle diameter of nanometer is averagely in the range of 20nm-50nm, and the percent concentration of particle diameter volume is 1～3%.
As shown in Figure 2, for the good cooling results to photovoltaic battery panel 1 backboard, and improve the heat insulating ability of cooling, prevent from carrying out heat exchange with external environment, described cooling tube 2-2 has many, and the back side of photovoltaic battery panel 1 it is bonded at by heat-conducting glue, described many cooling tube 2-2 are arranged in heat-insulation layer 9 with being respectively separated certain distance, the plate that described heat-insulation layer 9 is polystyrene foam plastics or asbestos or polyurethane material is made.
As shown in Figure 2,3, for the ease of fixing heat-insulation layer 9, the back side of described photovoltaic battery panel 1 is additionally provided with dividing plate 5, and described dividing plate 5 is connected to the side deviating from photovoltaic battery panel 1 back side of heat-insulation layer 9.
As shown in Figure 1, so that present configuration layout is more reasonable, and make the thermal diffusivity of the present invention good, described first header 2-1 and the second header 2-3 lays respectively at above and below photovoltaic battery panel 1, and described hollow sheeting 3-2 is arranged on the front of photovoltaic battery panel 1 with keeping at a certain distance away, this spacing distance controls in the range of 10mm～50mm.
As shown in Figure 2, so that present configuration is reasonable, compact, also including that left and right installing rack 7, described left and right installing rack 7 are installed in hollow sheeting 3-2, photovoltaic battery panel 1 and the both sides of dividing plate 5 respectively, described flux control assembly 4 is arranged on the bracing frame 7-1 of left and right installing rack 7.
As shown in Figure 1, 2, in order to prevent surrounding enviroment from can impact magnetic induction, present invention additionally comprises every magnetosphere 6, the both sides of described flux control assembly 4 are covered by described in the space that the bracing frame 7-1 of magnetosphere 6 and left and right installing rack 7 is surrounded respectively.
Of the present invention it is made up of the one in polyurethane wave-absorbing material, the thin material of non-woven fabrics, ferrite wave-absorbing material or two kinds or three kinds every magnetosphere 6.
As shown in Figure 1,3, described regulated power supply 8 is adjustable direct voltage source, galvanomagnetic-effect for coil 4-2 produces magnetic field, by changing the DC voltage of regulated power supply 8 output, adjustable magnetic fields size, and then change nano-fluid under different magnetic induction, have different characteristics, nano-fluid can be regulated to the absorption of solar energy infrared light wavelength coverage or refracting characteristic, and meeting the demand of practical situation with this, described coil 4-2 electrically connects with regulated power supply 8.
As shown in Figure 4, so that the present invention is more reasonable, compact, described heat exchanger 3-1 includes casing 3-1-3 and the heat exchanger tube 3-1-4 being marked with heat transferring medium, heat exchanger tube 3-1-4 is predominantly located in casing 3-1-3, the import 3-1-1 of described heat exchanger 3-1 and outlet 3-1-2 is the two ends of heat exchanger tube 3-1-4 respectively and is exposed at outside casing 3-1-3, and described heat exchanger tube 3-1-4 is coil or coil pipe.During use, nano-fluid can carry out heat exchange cooling by the heat transferring medium being marked with in casing 3-1-3.
Solar spectral can be made full use of by the present invention, and a kind of means improving nano fluid heat transferring performance are provided, optical characteristics by flux control assembly regulation nano-fluid, make the energy of the magnetic nano-fluid high efficiency absorption infrared light of energy, and the energy that photovoltaic battery panel absorbs visible ray can carry out photoelectric conversion, the conversion efficiency of described photovoltaic battery panel is 12%～about 25%；After the nano-fluid circulation that the heat exchanger of photo-thermal assembly of the present invention cools down, flow through the cooling tube of photovoltaic cell back, and heat exchange can be carried out with photovoltaic battery panel, to reach the effect of cooling, thus improve the photoelectric transformation efficiency of photovoltaic module；The absorption of nano-fluid, refracting characteristic can be adjusted accordingly by the flux control assembly of the present invention, under the influence of a magnetic field, enhance absorption characteristic and the heat-transfer character of nano-fluid, decrease in transmission, and in certain magnetic field strength range, absorption characteristic and the heat-transfer character of nano-fluid strengthen with the enhancing of magnetic field intensity.
Claims (9)
1. a magnetic nano-fluid Flat type photovoltaic cogeneration system, including photovoltaic battery panel (1), it is characterised in that: also include photovoltaic cell cooling assembly (2), photo-thermal assembly (3) and flux control assembly (4)；
Described photovoltaic cell cooling assembly (2) includes the first header (2-1), the second header (2-3) and at least cooling tube (2-2), described cooling tube (2-2) is contained in the back side of photovoltaic battery panel (1), the first header (2-1) and the second header (2-3) and is connected by cooling tube (2-2)；
The back side of described photovoltaic battery panel (1) is additionally provided with heat-insulation layer (9), and described cooling tube (2-2) is arranged in heat-insulation layer (9)；
nullDescribed photo-thermal assembly (3) includes heat exchanger (3-1)、The hollow sheeting (3-2) of circulating pump (3-3) and transparent shape，Described hollow sheeting (3-2) is arranged on the front of photovoltaic battery panel (1)，And hollow sheeting (3-2) has cavity (3-2-1)，The outlet of described circulating pump (3-3) is connected with the bottom of the cavity (3-2-1) of hollow sheeting (3-2)，The top of the cavity (3-2-1) of hollow sheeting (3-2) is connected with the import (3-1-1) of heat exchanger (3-1)，The outlet (3-1-2) of heat exchanger (3-1) is connected with the import (2-1-1) of the first header (2-1)，The outlet (2-1-2) of the first header (2-1) is connected with the import (2-2-1) of cooling tube (2-2)，The outlet (2-2-2) of cooling tube (2-2) is connected with the import (2-3-1) of the second header (2-3)，The outlet (2-3-2) of the second header (2-3) is connected with the import of circulating pump (3-3)；
Described flux control assembly (4) includes U-shaped Magnet (4-1) and coil (4-2), described coil (4-2) is wound on U-shaped Magnet (4-1), described flux control assembly (4) covers on hollow sheeting (3-2) outward, and coil (4-2) is positioned at the both sides of hollow sheeting (3-2)；
Nano-fluid is all had in described first header (2-1), cooling tube (2-2), the second header (2-3), heat exchanger (3-1), hollow sheeting (3-2) and circulating pump (3-3)；
Described nano-fluid is Fe3O4, or TiO2, or the nano-particle of shell core formula structure, the shell of the nano-particle of described shell core formula structure is SiO2, and inner core is Fe3O4, or TiO2, or Ni or Co.
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 1, it is characterized in that: described cooling tube (2-2) has many, and the back side of photovoltaic battery panel (1) it is bonded at by heat-conducting glue, described many cooling tubes (2-2) are arranged in heat-insulation layer (9) with being respectively separated certain distance, the plate that described heat-insulation layer (9) is polystyrene foam plastics or asbestos or polyurethane material is made.
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 1, it is characterized in that: the back side of described photovoltaic battery panel (1) is additionally provided with dividing plate (5), described dividing plate (5) is connected to the side deviating from photovoltaic battery panel (1) back side of heat-insulation layer (9).
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 1, it is characterized in that: described first header (2-1) and the second header (2-3) lay respectively at above and below photovoltaic battery panel (1), and described hollow sheeting (3-2) is arranged on the front of photovoltaic battery panel (1) with keeping at a certain distance away, this spacing distance controls in the range of 10mm～50mm.
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 3, it is characterized in that: also include left and right installing rack (7), described left and right installing rack (7) is installed in hollow sheeting (3-2), photovoltaic battery panel (1) and the both sides of dividing plate (5) respectively, and described flux control assembly (4) is arranged on the bracing frame (7-1) of left and right installing rack (7).
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 5, it is characterized in that: also include every magnetosphere (6), the both sides of described flux control assembly (4) are covered by described in the space that the bracing frame (7-1) of magnetosphere (6) and left and right installing rack (7) is surrounded respectively.
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 6, it is characterised in that: described it is made up of the one in polyurethane wave-absorbing material, the thin material of non-woven fabrics, ferrite wave-absorbing material or two kinds or three kinds every magnetosphere (6).
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 1, it is characterised in that: described coil (4-2) electrically connects with regulated power supply (8).
Magnetic nano-fluid Flat type photovoltaic cogeneration system the most according to claim 1, it is characterized in that: described heat exchanger (3-1) includes being marked with casing (3-1-3) and the heat exchanger tube (3-1-4) of heat transferring medium, heat exchanger tube (3-1-4) is predominantly located in casing (3-1-3), import (3-1-1) and the outlet (3-1-2) of described heat exchanger (3-1) are the two ends of heat exchanger tube (3-1-4) respectively and are exposed at casing (3-1-3) outward, and described heat exchanger tube (3-1-4) is coil or coil pipe.
Priority Applications (1)
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