CN108631720B - Solar energy spotlight frequency division photoelectricity combined heat and power generation device - Google Patents
Solar energy spotlight frequency division photoelectricity combined heat and power generation device Download PDFInfo
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- CN108631720B CN108631720B CN201810349906.2A CN201810349906A CN108631720B CN 108631720 B CN108631720 B CN 108631720B CN 201810349906 A CN201810349906 A CN 201810349906A CN 108631720 B CN108631720 B CN 108631720B
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- 238000010248 power generation Methods 0.000 title claims abstract description 6
- 230000005622 photoelectricity Effects 0.000 title claims description 6
- 239000012530 fluid Substances 0.000 claims abstract description 120
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 239000004964 aerogel Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000002834 transmittance Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- PEEDYJQEMCKDDX-UHFFFAOYSA-N antimony bismuth Chemical compound [Sb].[Bi] PEEDYJQEMCKDDX-UHFFFAOYSA-N 0.000 claims description 6
- 239000011258 core-shell material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 239000012792 core layer Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims 1
- 239000008399 tap water Substances 0.000 claims 1
- 235000020679 tap water Nutrition 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000002131 composite material Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000005678 Seebeck effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000001678 irradiating effect Effects 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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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
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
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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
- H02S40/10—Cleaning arrangements
-
- 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
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
A solar light-gathering frequency-division photoelectric combined heat and power generation device comprises a functional fluid module, a photoelectric utilization system, a thermoelectric utilization system and a waste heat utilization system. The functional fluid flows through the front side of the solar cell panel group, is heated while realizing the solar energy frequency division function, then flows through the hot end of the thermoelectric material, flows through the back side of the solar cell panel group after waste heat utilization, realizes cooling of the solar cell panel group, and finally forms a circulation through the flow regulating valve and the circulating pump; the self-cleaning high-light-transmission aerogel wraps up the functional fluid channel with the frequency division function, so that the heat loss of the system is reduced, and meanwhile, the functions of dust prevention and improvement of the solar light transmittance are achieved. According to the invention, through frequency division utilization of solar energy, on the basis of improving the efficiency of the solar cell, a thermoelectric utilization system, a waste heat utilization system and a self-cleaning high-light-transmission aerogel heat insulation module are introduced, so that the high-efficiency utilization of the full spectrum of the solar energy is realized.
Description
Technical Field
The invention belongs to the technical field of solar energy composite utilization, relates to a solar photoelectric-thermoelectric-photothermal comprehensive utilization technology, and particularly relates to a solar light-gathering frequency-division photoelectric cogeneration device.
Background
The pressure of energy crisis and environmental pollution on our human society is increasing, and the demand of people for a novel green and efficient energy is pressing more and more. Solar energy is used as a green pollution-free energy source and is inexhaustible, and the energy of the sun irradiating the earth every second is calculated to be equivalent to 500 ten thousand tons of coal. Therefore, how to develop solar energy efficiently is of great significance.
At present, solar energy is mainly utilized through photo-thermal, photoelectric, photochemical, photo-biological conversion and the like. The photovoltaic cell is the most common way of photoelectric utilization, however, for a fixed semiconductor material, the solar cell only effectively utilizes sunlight of a specific waveband, and sunlight of other wavebands heats the solar cell, so that the temperature is increased, the efficiency is reduced, and the service life of the solar cell is shortened. In a traditional photo-THERMAL/PHOTOVOLTAIC (PV/T) composite system, cooling fluid is arranged on the back surface of a cell to recover the heat of the cell and improve the efficiency of the solar cell, but the traditional photo-THERMAL/PHOTOVOLTAIC (PV/T) composite system is limited by the working temperature of the solar cell, and only low-grade heat energy is recovered. On the other hand, in order to prevent the core components of the solar cell panel group from being damaged or being affected by dust to the power generation efficiency, a layer of glass is usually added on the surface of the solar cell panel, but the surface of the layer of glass can generate reflection to cause loss of input radiation, and meanwhile, the dust accumulation phenomenon can occur on the surface of the glass to affect the efficiency of the photovoltaic cell, and the glass needs to be cleaned regularly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a solar light-gathering frequency-division photoelectric combined heat and power generation device, which realizes the high-efficiency utilization of solar energy by a mode of coupling utilization of solar energy photoelectricity, photo-thermal and thermoelectricity.
In order to achieve the above purpose, the solution of the invention is: the system comprises a functional fluid module, a photoelectric utilization system, a thermoelectric utilization system and a waste heat utilization system.
The functional fluid flowing in the functional fluid channel is a nanometer fluid with conduction oil doped with nanometer particles with core-shell structures, wherein the conduction oil is Therminol VP-1, titanium dioxide is a core layer, silver is a shell layer, the particle radius is 35nm, the core-shell ratio is 4/3, and the mass fraction is 0.018-0.023%.
the photoelectric utilization system comprises a solar cell panel group and a light-gathering plate arranged at the upper end of the solar cell panel group.
the thermoelectric utilization system comprises an aluminum substrate arranged on one side of the thermoelectric utilization system and a thermoelectric material arranged on the aluminum substrate.
The waste heat utilization system comprises a heat exchanger arranged on one side of the thermoelectric utilization system.
The functional fluid module comprises a functional fluid channel which is communicated with the photoelectric utilization system, the thermoelectric utilization system and the waste heat utilization system in sequence to form a circulation loop.
The functional fluid module comprises a photoelectric utilization system fluid channel, a thermoelectric utilization system fluid channel and an external fluid channel which is positioned outside the photoelectric utilization system, which are sequentially connected.
The lower end of the solar cell panel group is provided with a first photoelectric utilization system fluid channel, the upper end of the solar cell panel group is provided with a second photoelectric utilization system fluid channel, and the outlet of the first photoelectric utilization system fluid channel is connected with the inlet of the second photoelectric utilization system fluid channel through an external fluid channel positioned outside the photoelectric utilization system.
The first photoelectric utilization system fluid channel is a steel channel with a rectangular section, and the second photoelectric utilization system fluid channel is a glass channel with a rectangular section.
The solar cell panel group is fixed on the upper surface of the first photoelectric utilization system fluid channel through a bonding layer.
And the outlet of the second photoelectric utilization system fluid channel is connected with the inlet of the rectangular-section steel thermoelectric utilization system fluid channel arranged on the thermoelectric material.
The outlet of the fluid channel of the thermoelectric utilization system is connected with the heat exchanger, and the fluid after heat exchange of the heat exchanger is connected with the inlet of the fluid channel of the first thermoelectric utilization system through a pipeline.
And a flow regulating valve and a circulating pump are sequentially arranged in the pipeline flowing direction of the heat exchanger communicated with the first photoelectric utilization system fluid channel.
and a self-cleaning high-light-transmittance aerogel layer is arranged on the surface of the fluid channel of the second photoelectric utilization system.
The thermoelectric material adopts p-type bismuth antimonide and n-type bismuth antimonide which are fixed on the aluminum substrate in a form of arranging in parallel according to the flow direction of fluid.
The functional fluid flowing in the functional fluid channel absorbs the wave band which does not meet the photoelectric conversion requirement in sunlight and converts the wave band into heat energy, so that the temperature of the solar cell panel is reduced, and meanwhile, the functional fluid subjected to waste heat utilization flows through the back of the solar cell panel group at a lower temperature, so that the temperature of the solar cell panel group can be further reduced; the functional fluid is used for absorbing the wave band which does not meet the photoelectric conversion requirement in sunlight and converting the wave band into heat energy to realize photothermal conversion, further carrying out graded utilization of thermoelectricity and waste heat, and simultaneously recovering the heat generated by the work of the solar cell panel group, thereby effectively improving the photothermal conversion efficiency; the heat energy converted from light and heat is converted into electric energy by thermoelectric utilization, so that the grade of the energy is effectively improved; compare traditional photoelectricity light and heat integration composite system and have higher efficiency, realized the high-efficient utilization to solar energy through the mode to solar energy photoelectricity, light and heat, thermoelectric coupling utilization.
On the other hand, the self-cleaning aerogel with high light transmittance can reduce the reflection of sunlight and reduce the surface dust accumulation of the solar cell panel set, so that the photoelectric conversion efficiency is effectively improved; the self-cleaning aerogel with high light transmittance has extremely low heat conductivity, wraps the functional fluid channel with the frequency division function, and effectively reduces the heat loss of the system.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the drawings: 1. a functional fluid; 2. a thermoelectric material; 3. a light-gathering plate; 4. a heat exchanger; 5. a solar panel group; 6. a bonding layer; 7. a flow regulating valve; 8. a circulation pump; 9. self-cleaning a high light transmission aerogel layer; 10-1, a first photovoltaic utilization system fluid channel 10-1; 10-2, a second photoelectric utilization system fluid channel 10-2; 11. a thermoelectric utilization system fluid channel; 12. an external fluid channel located outside the photovoltaic utilization system; 13. an aluminum substrate.
Detailed Description
the invention will be further described with reference to examples of embodiments shown in the drawings.
Referring to fig. 1, the present invention includes a functional fluid module, a photovoltaic utilization system, a thermoelectric utilization system, and a waste heat utilization system.
The functional fluid module comprises a photoelectric utilization system fluid channel, a thermoelectric utilization system fluid channel 11, an external fluid channel 12 located outside the photoelectric utilization system and a functional fluid 1 flowing in the functional fluid channel, wherein the photoelectric utilization system fluid channel, the thermoelectric utilization system fluid channel 11 and the functional fluid 1 are sequentially connected, the functional fluid 1 adopts heat conduction oil doped nanometer fluid of core-shell structure nanometer particles, the heat conduction oil is Therminol VP-1, titanium dioxide is a core layer, silver is a shell layer, the radius of the particles is 35nm, the core-shell ratio is 4/3, and the mass fraction is 0.018-0.023%.
The photovoltaic utilization system comprises a solar cell panel group 5 and a light-gathering plate 3 arranged at the upper end of the solar cell panel group.
The thermoelectric utilization system comprises an aluminum substrate 13 arranged on one side of the thermoelectric utilization system and a thermoelectric material 2 arranged on the aluminum substrate 13, wherein the thermoelectric material 2 is fixed on the aluminum substrate 13 in a mode that p-type bismuth antimonide and n-type bismuth antimonide are arranged in parallel according to the flow direction of fluid.
The waste heat utilization system comprises a heat exchanger 4 arranged on one side of the thermoelectric utilization system.
a first photoelectric utilization system fluid channel 10-1 is arranged at the lower end of the solar cell panel group 5, a second photoelectric utilization system fluid channel 10-2 is arranged at the upper end of the solar cell panel group 5, and an outlet of the first photoelectric utilization system fluid channel 10-1 is connected with an inlet of the second photoelectric utilization system fluid channel 10-2 through an external fluid channel 12 positioned outside the photoelectric utilization system; and a self-cleaning high-light-transmittance aerogel layer 9 is arranged on the surface of the second photoelectric utilization system fluid channel 10-2.
The first photoelectric utilization system fluid channel is a rectangular-section steel channel, and the second photoelectric utilization system fluid channel is a rectangular-section glass channel.
The solar cell panel group 5 is fixed to the upper surface of the first photovoltaic utilization system fluid channel 10-1 by the adhesive layer 6.
The outlet of the second photoelectric utilization system fluid channel 10-2 is connected with the inlet of a rectangular-section steel thermoelectric utilization system fluid channel 11 arranged on the thermoelectric material 2, the outlet of the thermoelectric utilization system fluid channel 11 is connected with the heat exchanger 4, and the fluid subjected to heat exchange by the heat exchanger 4 is connected with the inlet of the first photoelectric utilization system fluid channel 10-1 through a pipeline. A flow regulating valve 7 and a circulating pump 8 are further sequentially installed in the pipeline running direction of the heat exchanger 4 communicated with the first photoelectric utilization system fluid channel 10-1.
The waste heat utilization system of the present invention uses the functional fluid flowing through the thermoelectric utilization system as a heat source and supplies heat required by the user through the heat exchanger 4.
The photoelectric utilization system consists of a light-gathering plate 3 and a solar cell panel group 5 which is arranged between the upper surface of a first photoelectric utilization system fluid channel 10-1 and the lower surface of a self-cleaning high-light-transmittance aerogel layer 9, after the gathered sunlight penetrates through a functional fluid 1 which circulates in a fluid channel 10-2 of the photoelectric utilization system, the wave bands which cannot be utilized by the solar cell panel are absorbed, and the rest wave bands are projected on the solar cell panel group 5, so that the temperature of the solar cell is reduced while the output power of the solar cell is not influenced, the efficiency is improved, and the service life is prolonged.
The functional fluid 1 absorbs the wave bands which cannot be utilized by the solar cell panel in the second photoelectric utilization system fluid channel 10-2 to realize photothermal conversion, then flows through the thermoelectric utilization system fluid channel 11 to be used as a heat source to be connected with the hot end of the thermoelectric material, and realizes mutual conversion of heat energy and electric energy by utilizing the Seebeck effect, so that the heat energy obtained by the functional fluid through radiation is converted into electric energy with higher grade, and the overall efficiency of the system is improved.
the functional fluid 1 is a nano fluid, can regulate and control the absorption characteristic of the functional fluid on the solar spectrum, absorbs the wave band which does not meet the photoelectric conversion requirement in the sunlight and converts the wave band into heat energy, and meanwhile, the functional fluid penetrates through the sunlight wave band required by the solar cell.
The first photoelectric utilization system fluid channel 10-1 is a steel channel with a rectangular cross section, can be connected with a solar cell panel group more conveniently while cooling the solar cell panel group better, and the second photoelectric utilization system fluid channel 10-2 is a glass channel with a rectangular cross section, can better penetrate sunlight to the solar cell panel group, and realizes photoelectric conversion; the fluid channel 11 of the thermoelectric utilization system is a steel channel with a rectangular cross section, and can be more conveniently connected with thermoelectric materials while keeping a better heat exchange effect; the external fluid channel 12 outside the photoelectric utilization system is a common steel pipe and is connected with other partial channels to form a loop.
The self-cleaning high-light-transmittance aerogel layer 9 has dust prevention and high light transmittance, and wraps the second photoelectric utilization system fluid channel 10-2. As a thermal insulation material, the aerogel has extremely low thermal conductivity, can realize the thermal insulation function of heated functional fluid, and reduces the heat loss of a system; the aerogel has good hydrophobic property to realize the effect of automatically cleaning, can effectually prevent the deposition, simultaneously, the aerogel compares ordinary glass, has lower reflectivity, can improve the input radiation of system under the same condition, thereby improves the total efficiency of system.
The circulation process of the functional fluid 1 is as follows: the functional fluid 1 firstly passes through the front side of a solar cell panel group 5 in a photoelectric utilization system, is heated while realizing the sunlight frequency division function, then flows through the hot end of a thermoelectric material 2 in the thermoelectric utilization system to complete the photothermal-electric conversion, then flows through the back side of the solar cell panel group 5 at a lower temperature after the heat exchanger 4 of the waste heat utilization system utilizes the waste heat, realizes the further cooling of the solar cell panel group, and finally flows through the front side of the solar cell panel group 5 in the photoelectric utilization system again after passing through a flow regulating valve 7 and a circulating pump 8 to form circulation.
Based on the concept of comprehensive utilization of solar energy, the functional nano fluid with adjustable and controllable spectral absorption characteristics is adopted to carry out frequency division utilization on sunlight, the unnecessary wave band of photoelectric conversion of the solar cell is absorbed, the photo-thermal conversion is realized, the subsequent thermoelectric and waste heat utilization is carried out, the photoelectric conversion is completed by the solar radiation of the residual wave band, the temperature of the solar cell is reduced, meanwhile, the low-temperature functional fluid after the waste heat utilization is utilized to cool the solar cell panel group, the temperature of the solar cell panel group is further reduced, the efficiency of the solar cell is improved, and the service life of the solar cell is prolonged; the heat energy obtained by the photo-thermal conversion is utilized in a grading manner, firstly, the heat energy is converted into electric energy with higher grade through the thermoelectric utilization, then, the waste heat is utilized, and finally, the heat energy generated by the work of the solar cell panel group is recovered, so that the maximum utilization of the solar energy input into the system is realized; the aerogel with self-cleaning and high light transmittance is introduced, so that the heat loss of the system is reduced, the functions of dust prevention and improvement of the solar light transmittance are realized, and the efficiency of the whole system is further improved.
Claims (5)
1. The utility model provides a solar energy spotlight frequency division photoelectricity combined heat and power generation device which characterized in that: the system comprises a functional fluid module, a photoelectric utilization system, a thermoelectric utilization system and a waste heat utilization system;
The functional fluid module comprises a functional fluid channel and a functional fluid (1), wherein the functional fluid channel is sequentially communicated with the photoelectric utilization system, the thermoelectric utilization system and the waste heat utilization system to form a circulation loop, the functional fluid (1) flows in the functional fluid channel, the functional fluid (1) adopts heat conduction oil doped core-shell structured nano-particles, the heat conduction oil is thermolol VP-1, titanium dioxide is a core layer, silver is a shell layer, the particle radius is 35nm, the core-shell ratio is 4/3, and the mass fraction is 0.018-0.023%;
The functional fluid module comprises a photoelectric utilization system fluid channel, a thermoelectric utilization system fluid channel (11) and an external fluid channel (12) which is positioned outside the photoelectric utilization system, wherein the photoelectric utilization system fluid channel and the thermoelectric utilization system fluid channel are sequentially connected;
A first photoelectric utilization system fluid channel (10-1) is arranged at the lower end of the solar cell panel group (5), a second photoelectric utilization system fluid channel (10-2) is arranged at the upper end of the solar cell panel group (5), and an outlet of the first photoelectric utilization system fluid channel (10-1) is connected with an inlet of the second photoelectric utilization system fluid channel (10-2) through an external fluid channel (12) positioned outside the photoelectric utilization system;
The first photoelectric utilization system fluid channel (10-1) is a steel channel with a rectangular section, and the second photoelectric utilization system fluid channel (10-2) is a glass channel with a rectangular section; a self-cleaning high-light-transmittance aerogel layer (9) is arranged on the surface of the second photoelectric utilization system fluid channel (10-2), and the second photoelectric utilization system fluid channel (10-2) is wrapped by the self-cleaning high-light-transmittance aerogel layer (9);
The photoelectric utilization system comprises a solar cell panel group (5) and a light-gathering plate (3) arranged at the upper end of the solar cell panel group;
The thermoelectric utilization system comprises an aluminum substrate (13) arranged on one side of the thermoelectric utilization system and a thermoelectric material (2) mounted on the aluminum substrate (13);
The waste heat utilization system comprises a heat exchanger (4) arranged on one side of the thermoelectric utilization system;
the thermoelectric material (2) is fixed on the aluminum substrate (13) in a mode of arranging p-type bismuth antimonide and n-type bismuth antimonide in a fluid flow direction.
2. The solar concentrating frequency-dividing photo-electric cogeneration device according to claim 1, wherein: the solar cell panel group (5) is fixed on the upper surface of the first photoelectric utilization system fluid channel (10-1) through a bonding layer (6).
3. The solar concentrating frequency-dividing photo-electric cogeneration device according to claim 1, wherein: the outlet of the second photoelectric utilization system fluid channel (10-2) is connected with the inlet of a rectangular section steel thermoelectric utilization system fluid channel (11) arranged on the thermoelectric material (2).
4. The solar concentrating frequency-dividing photo-electric cogeneration device according to claim 1, wherein: the outlet of the fluid channel (11) of the thermoelectric utilization system is connected with the heat exchanger (4), and the fluid after heat exchange of the heat exchanger (4) is connected with the inlet of the fluid channel (10-1) of the first photoelectric utilization system through a pipeline.
5. The solar concentrating frequency-dividing photo-electric cogeneration device according to claim 4, wherein: and a flow regulating valve (7) and a circulating pump (8) are sequentially arranged on a pipeline communicated with the first photoelectric utilization system fluid channel (10-1) of the heat exchanger (4) in the flowing direction of tap water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810349906.2A CN108631720B (en) | 2018-04-18 | 2018-04-18 | Solar energy spotlight frequency division photoelectricity combined heat and power generation device |
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| CN201810349906.2A CN108631720B (en) | 2018-04-18 | 2018-04-18 | Solar energy spotlight frequency division photoelectricity combined heat and power generation device |
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| CN108631720A CN108631720A (en) | 2018-10-09 |
| CN108631720B true CN108631720B (en) | 2019-12-10 |
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