CN108106018A - The closely full spectrum of solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system - Google Patents
The closely full spectrum of solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system Download PDFInfo
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- CN108106018A CN108106018A CN201711143033.1A CN201711143033A CN108106018A CN 108106018 A CN108106018 A CN 108106018A CN 201711143033 A CN201711143033 A CN 201711143033A CN 108106018 A CN108106018 A CN 108106018A
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- 239000012530 fluid Substances 0.000 title claims abstract description 54
- 238000001228 spectrum Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract 2
- 230000008676 import Effects 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 239000005304 optical glass Substances 0.000 claims description 9
- 230000005619 thermoelectricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 17
- 230000001351 cycling effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
Abstract
The invention discloses a kind of closely full spectrum of solar energy based on nano-fluid using photovoltaic thermo-electric union system, system includes Co-generation module, outlet header, water pump, nano-fluid water tank, electronic regulated valve, inlet header, heat exchanger, oil pump, heat conduction fuel tank；Co-generation module, outlet header, water pump, nano-fluid water tank, electronic regulated valve and inlet header are connected sequentially through pipeline, form outer circulation；Heat exchanger, oil pump, heat conduction fuel tank and Co-generation module are connected sequentially through pipeline, Xun Huan in being formed, inside the conduction oil in cycling in heat conduction fuel tank flow through Co-generation module carry out heat exchange heat, flow through heat exchanger cooling after low temperature conduction oil return to heat conduction fuel tank through oil pump.Thermocouple thermometer, electronic regulated valve, Co-generation module form temperature control system.The present invention can realize that the entire spectrum of solar energy utilizes, and high temperature heat conductive oil is generated while improving generating efficiency, improves solar energy utilization ratio.
Description
Technical field
The present invention relates to a kind of closely full spectrum of solar energy based on nano-fluid using photovoltaic thermo-electric union system, belong to light
Lie prostrate technical field of power generation.
Background technology
Solar energy contains huge energy, Solar use, solar energy materials phase as a kind of reproducible clean energy resource
The exploitation of pass technology worldwide causes attention.Mainly there are photothermal conversion, photovoltaic generation to the utilization of solar energy at present.
But photoelectric conversion efficiency is relatively low, the spectrum band limits of available sunlight is relatively narrow.Photothermal conversion mainly utilizes sunlight
Infrared band, transfer efficiency are higher.If the spectral range of the sunlight utilized can be expanded, solar energy will be largely improved
Utilization rate.Nano material is subject to the extensive concern of domestic and international expert and scholar as a kind of new energy and material.With previous generation
Researcher's eighties that records directly absorbs nano-fluid the proposition of solar radiation technology, using the radiation characteristic of nano particle,
Realizing that the full spectrum of solar energy utilizes becomes new hot spot energy technology.
Existing thermo-electric union system, which is commonly present not mature enough processing technology, photo-thermal unit and photovoltaic element, effectively to be divided
From the heat of photo-thermal unit compares dependent on photovoltaic element sometimes, and photo-thermal cell temperature is limited by photovoltaic element operating temperature
Etc. problems.These problems seriously limit the development and popularization of electrothermal combined system.
The content of the invention
For deficiency more than overcoming, the present invention provides a kind of thermal-collecting tube type solar generator combinations based on nano-fluid
System makes the heat of the heat generating parts of Co-generation module be no longer dependent on electricity production part, can be while generating efficiency is improved
High temperature heat conductive oil is generated, the popularization of development and thermo-electric union system to promotion nanometer technology is helpful.
Technical scheme is as follows：
A kind of closely full spectrum of the solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system, and the system comprises Co-generations
Module, outlet header, water pump, nano-fluid water tank, electronic regulated valve, inlet header, heat exchanger, oil pump and heat conduction fuel tank；
The Co-generation module, outlet header, water pump, nano-fluid water tank, electronic regulated valve, inlet header sequentially through
Pipeline connects, and forms outer circulation；
The heat exchanger, oil pump, heat conduction fuel tank and Co-generation module are connected sequentially through pipeline, are formed interior cycle, are inside followed
Conduction oil in ring in heat conduction fuel tank flow through Co-generation module carry out heat exchange heat, flow through heat exchanger heat exchange after low temperature conduction oil
Heat conduction fuel tank is returned to through oil pump.
The thermocouple thermometer, electronic regulated valve, Co-generation module form temperature control system.
Above-mentioned Co-generation module includes upper strata runner, heat exchange runner, lower floor's runner, solar panel, thermocouple, collection
Heat pipe, upper fin, lower fin, optical glass, tunnel inlets, runner exit；
The Co-generation module faces set optical glass layer, institute to sunlight slant setting, the surface of the Co-generation module
The upper end for stating Co-generation module sets thermal-collecting tube to export, and lower end sets thermal-collecting tube import；The side of the Co-generation module
Side sets tunnel inlets and runner exit, the inlet header connecting passage import；The outlet header connecting passage outlet；
Two layers of optical glass forms upper strata runner, the solar panel lower surface and thermoelectricity above the solar panel
It is combined module backplane and forms lower floor's runner, the solar panel bottom surface forms heat exchange stream with Co-generation module side plate
Road sets thermocouple, thermal-collecting tube in the heat exchange runner, and the top of the thermal-collecting tube sets upper fin, and lower section sets lower fin,
The lower fin, upper fin fix thermal-collecting tube, and the thermal-collecting tube sets thermal-collecting tube import to be exported with thermal-collecting tube, the conduction oil
Case connects thermal-collecting tube import, the heat exchanger connection thermal-collecting tube outlet.
The upper surface of above-mentioned solar panel is used to support the support card slot of photovoltaic module with being set at lower surface, is located at
Support card slot at the lower surface of solar panel sets several fin groups for being used to increase fluid heat transfer.
Temperature sensor thermocouple is placed above above-mentioned upper fin, for detecting nano-fluid temperature.
Above-mentioned thermocouple carries out data acquisition using Agilent data collecting instrument, according to gathered data to electronic regulated valve valve
Door aperture is adjusted, so as to control the flow of nano-fluid.
The circular inner wall of above-mentioned thermal-collecting tube sets several grooves.
That flowed in above-mentioned Co-generation mould runner in the block is SiO2- ethylene glycol/conduction oil VP-1 nano-fluids, it is right
Incident radiation has selectivity through effect, and the solar radiation visible light wave range that Silicon photrouics can be utilized transmits
Opto-electronic conversion is carried out on photovoltaic cell, while absorbs directly into the infrared band for penetrating radiation, completes photothermal conversion, is preferably realized too
The entire spectrum of positive energy utilizes.
The advantageous effect that the present invention is reached：The present invention provides a kind of thermal-collecting tube type solar heats based on nano-fluid
Electric combined system makes the heat of the heat generating parts of Co-generation module be no longer dependent on electricity production part, can improve power generation effect
High temperature heat conductive oil is generated while rate, improves the utilization rate of solar energy, device builds simplicity, and cost is suitable, is conducive to promote and receive
The rice development of technology and the popularization of thermo-electric union system.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is that the broken section of Co-generation module and fluid flow to schematic diagram；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B directions view of Fig. 3；
Fig. 5 is thermal-collecting tube sectional view；
Fig. 6 is temperature control system figure.
In figure：Co-generation module 1, outlet header 2, water pump 3, nano-fluid water tank 4, electronic regulated valve 5, inlet header
6th, heat exchanger 7, oil pump 8, heat conduction fuel tank 9, Co-generation module runner 1-1, solar panel 1-2, thermal-collecting tube 1-3, fin
Group 1-4, support card slot 1-5, lower fin 1-6, upper fin 1-7, thermocouple 1-8, thermal-collecting tube import 1-9, optical glass 1-10, stream
Road import 1-11, runner exit 1-12, thermal-collecting tube outlet 1-13.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, a kind of closely full spectrum of the solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system, system bag
Include Co-generation module 1, outlet header 2, water pump 3, nano-fluid water tank 4, electronic regulated valve 5, inlet header 6, heat exchanger 7,
Oil pump 8 and heat conduction fuel tank 9；
Nano-fluid water tank 4, electronic regulated valve 5, outlet header 6, Co-generation module 1, water pump 2, inlet header 3 lead in order
Pipeline connection is crossed, forms outer circulation；
Water pump 3 is installed between outlet header 2 and nano-fluid water tank 4, and required move is circulated for providing nano-fluid
Power；Electronic regulated valve 5 is installed between inlet header 6 and nano-fluid water tank 4, for adjusting the flow of nano-fluid.
Heat exchanger 7, oil pump 8, heat conduction fuel tank 9 are connected with Co-generation module 1 sequentially through pipeline, form interior cycle,
Oil pump 8 is installed between heat exchanger 7 and heat conduction fuel tank 9, and required energy is circulated for providing conduction oil.Inside led in cycling
Conduction oil in deep fat case 9 flow through Co-generation module 1 carry out heat exchange heat, flow through heat exchanger 7 cool down after low temperature conduction oil
Heat conduction fuel tank 9 is returned to through oil pump 6.That flowed in the runner in above-mentioned Co-generation module 1 is SiO2- ethylene glycol/conduction oil VP-
1 nano-fluid improves photovoltaic module generating efficiency using the good thermal conduction characteristic of the nano-fluid and frequency dividing dichroism.
As shown in Figure 2, Figure 3, Figure 4, above-mentioned Co-generation module 1 includes runner 1-1, solar panel 1-2, thermal-collecting tube
1-3, lower fin 1-6, upper fin 1-7, thermocouple 1-8, optical glass 1-10, tunnel inlets 1-11, runner exit 1-12；
Co-generation module 1 sets optical glass layer 1-10, thermoelectricity towards sunlight slant setting, the surface of Co-generation module 1
The upper end for being combined module 1 sets thermal-collecting tube to export 1-13, and lower end sets thermal-collecting tube import 1-9；The side of Co-generation module 1
Tunnel inlets 1-11 and runner exit 1-12 is set, and inlet header 6 connects annular tunnel inlets 1-11；2 connection flow of outlet header
Road exports 1-12；
Upper surface, lower surface and the bottom surface of solar panel 1-2 forms a complete runner 1-1, solar panel
Thermal-collecting tube 1-3 is set at the bottom surface of 1-2, the top of thermal-collecting tube 1-3 sets upper fin 1-7, and lower section sets lower fin 1-6, under
Fin 1-6, upper fin 1-7 fix thermal-collecting tube 1-3, and thermal-collecting tube 1-3 sets thermal-collecting tube import 1-9 to export 1-13 with thermal-collecting tube,
Heat conduction fuel tank 9 connects thermal-collecting tube import 1-9, and heat exchanger 7 connects thermal-collecting tube outlet 1-13.
The upper surface of above-mentioned solar panel 1-2 is used to support the support card slot 1- of photovoltaic module with being set at lower surface
5, the support card slot 1-5 at the lower surface of solar panel 1-2 set several fin groups for being used to increase fluid heat transfer
1-4。
Thermocouple 1-8 is set above above-mentioned upper fin 1-7, for detecting nano-fluid temperature.
Above-mentioned temperature sensor thermocouple 1-8 carries out data acquisition using Agilent data collecting instrument, according to gathered data
Electronic regulated valve valve opening is controlled, so as to control the flow of nano-fluid.
As shown in figure 5, the circular inner wall of above-mentioned thermal-collecting tube 1-3 sets several grooves.On the one hand increase heat-transfer surface area, separately
On the one hand brokenization viscosity of fluid bottom reduces viscosity.The thermal-collecting tube connects with external loop, passes through after conduction oil is heated in circuit
External loop heat exchanger quantity of heat given up.
As shown in fig. 6, above-mentioned thermocouple 1-8 gathers the temperature of nano-fluid at the runner exit of upper strata, by transducing unit handle
Temperature parameter is converted into unified standard current signal, is conveyed to adjustment unit.The regulated variable that adjustment unit sends transducing unit
The deviation for the point temperatures signal that signal is sent with given unit, by certain Rule adjusting, regulating command is sent to adjuster.
Execution unit is adjusted the valve opening of electronic regulated valve 5 according to the signal that adjustment unit is come.
The operation principle of the present invention is as follows：
Inside in cycling, the SiO in nano-fluid water tank 42- ethylene glycol/conduction oil VP-1 nano-fluids are increased by import water pump 5
Assignment of traffic is carried out into inlet header 6 after power, flows into being equipped in the Co-generation module 1 of runner 1-1 everywhere.Thermoelectricity
It is combined in module 1, SiO2- ethylene glycol/conduction oil VP-1 nano-fluids by tunnel inlets 1-11 into air stream enter runner 1-1, in runner 1-1
Upper strata selective absorbing causes the sunlight infrared band that solar panel 1-2 generates heat so that incides into solar panel
The sunlight of 1-2 is mainly used for generating electricity.Nano-fluid after heating flows through heat exchange runner and carries out heat convection with thermal-collecting tube 1-3,
So that conduction oil heats up in thermal-collecting tube 1-3, while nano-fluid cools down.Flow through the nano-fluid and solar energy of runner 1-1 lower floors
Solar panel 1-2 direct heat transfers are allowed to cool down, and pass through fin group 1-4 enhancing heat transfer process.Receiving after Co-generation module 1
Meter Liu Ti is mixed by runner exit 1-12 in outlet header 2, and nanometer is back flowed back into after providing power using water pump 3
Fluid water tank 4.In outer circulation, conduction oil enters thermal-collecting tube 1-3 by thermal-collecting tube import 1-9, and thermal-collecting tube 1-3 passes through lower fin 1-6
It is accommodated with upper fin 1-7.Conduction oil by nano-fluid heating exports 1-13 by thermal-collecting tube and enters 7 heat outputting of heat exchanger
Amount, and return to heat conduction fuel tank 9 after providing power by oil pump 8.So far, whole system completes once complete outer circulation and interior cycling
Flowing.For controlling unit, upper fin 1-7 sets thermocouple 1-8, and data are acquired using Agilent data collecting instrument, root
Electronic regulated valve valve opening is controlled according to gathered data, so as to control the flow of nano-fluid.If gathered data is shown
Show that nano-fluid temperature is relatively low in runner, pressure is less than normal, and controller regulation and control electronic regulated valve 5 reduces flow；Otherwise increase flow.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of closely full spectrum of the solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system, it is characterised in that：The system
System includes Co-generation module, outlet header, water pump, nano-fluid water tank, inlet header, heat exchanger, oil pump and heat conduction fuel tank；
The nano-fluid water tank, water pump, outlet header, Co-generation module, inlet header are connected sequentially through pipeline, shape
Into outer circulation；
The heat exchanger, oil pump, heat conduction fuel tank and Co-generation module are connected sequentially through pipeline, are formed interior cycle, are inside followed
Conduction oil in ring in heat conduction fuel tank flow through Co-generation module carry out heat exchange heat, flow through heat exchanger cooling after low temperature conduction oil
Heat conduction fuel tank is returned to through oil pump.
2. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 1 utilizes photovoltaic Co-generation system
System, it is characterised in that：The Co-generation module includes upper strata runner, heat exchange runner, lower floor's runner, solar panel, heat
Galvanic couple, thermal-collecting tube, upper fin, lower fin, optical glass, tunnel inlets, runner exit；
The Co-generation module faces set optical glass layer, institute to sunlight slant setting, the surface of the Co-generation module
The upper end for stating Co-generation module sets thermal-collecting tube to export, and lower end sets thermal-collecting tube import；The side of the Co-generation module
Side sets tunnel inlets and runner exit, the inlet header connecting passage import；The outlet header connecting passage outlet；
Two layers of optical glass forms upper strata runner, the solar panel lower surface and thermoelectricity above the solar panel
It is combined module backplane and forms lower floor's runner, the solar panel bottom surface forms heat exchange stream with Co-generation module side plate
Road sets thermocouple, thermal-collecting tube in the heat exchange runner, and the top of the thermal-collecting tube sets upper fin, and lower section sets lower fin,
The lower fin, upper fin fix thermal-collecting tube, and the thermal-collecting tube sets thermal-collecting tube import to be exported with thermal-collecting tube, the conduction oil
Case connects thermal-collecting tube import, the heat exchanger connection thermal-collecting tube outlet.
3. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 2 utilizes photovoltaic Co-generation system
System, it is characterised in that：The upper surface of the solar panel is used to support the support card of photovoltaic module with being set at lower surface
Slot, the support card slot at the lower surface of solar panel set several fin groups for being used to increase fluid heat transfer.
4. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 2 utilizes photovoltaic Co-generation system
System, it is characterised in that：Installation thermocouple above the upper fin, for detecting nano-fluid temperature.
5. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 4 utilizes photovoltaic Co-generation system
System, it is characterised in that：The thermocouple carries out data acquisition using Agilent data collecting instrument, according to gathered data to electronics tune
Section valve valve opening is adjusted, so as to control the flow of nano-fluid.
6. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 2 utilizes photovoltaic Co-generation system
System, it is characterised in that：The circular inner wall of the thermal-collecting tube sets several grooves.
7. the closely full spectrum of a kind of solar energy based on nano-fluid according to claim 1 utilizes photovoltaic Co-generation system
System, it is characterised in that：That flowed in the Co-generation mould runner in the block is SiO2- ethylene glycol/VP-1 nanometers of conduction oil stream
Body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711143033.1A CN108106018B (en) | 2017-11-17 | 2017-11-17 | The closely full spectrum of solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system |
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| CN201711143033.1A CN108106018B (en) | 2017-11-17 | 2017-11-17 | The closely full spectrum of solar energy based on nano-fluid utilizes photovoltaic thermo-electric union system |
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| CN108106018A true CN108106018A (en) | 2018-06-01 |
| CN108106018B CN108106018B (en) | 2019-10-25 |
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| CN112594969A (en) * | 2020-12-15 | 2021-04-02 | 上海电力大学 | Nano-fluid micro-channel photovoltaic-solar heat pump system |
| CN114484901A (en) * | 2021-12-13 | 2022-05-13 | 中国长江三峡集团有限公司 | Photovoltaic photo-thermal experimental system based on nanofluid frequency division and control method |
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