CN106953550A - Photovoltaic temperature difference combined power generation device - Google Patents

Photovoltaic temperature difference combined power generation device Download PDF

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Publication number
CN106953550A
CN106953550A CN201710351571.3A CN201710351571A CN106953550A CN 106953550 A CN106953550 A CN 106953550A CN 201710351571 A CN201710351571 A CN 201710351571A CN 106953550 A CN106953550 A CN 106953550A
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CN
China
Prior art keywords
photovoltaic
temperature difference
power generation
pipeline
combined power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710351571.3A
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Chinese (zh)
Inventor
陈书甜
张伟明
李科群
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201710351571.3A priority Critical patent/CN106953550A/en
Publication of CN106953550A publication Critical patent/CN106953550A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/14Combined heat and power generation [CHP]

Abstract

The present invention relates to a kind of photovoltaic temperature difference combined power generation device, while photovoltaic generation and thermo-electric generation are carried out, including:Photovoltaic generation portion, receives sunshine and carries out photovoltaic generation, with solar panel, controller, battery and inverter;Fixed conducting portion, is arranged on below the photovoltaic generation portion, the heat for fixing the photovoltaic generation portion and the conduction photovoltaic generation portion;And thermo-electric generation portion, the lower section in the fixed conducting portion is arranged on, the temperature difference that the heat of the conduction in the absorption fixed conducting portion is caused is generated electricity.The photovoltaic temperature difference combined power generation device of the present embodiment has compact conformation, makes simple, conveniently the characteristics of dismounting, user can be assembled in the different structure of different Season selects.

Description

Photovoltaic temperature difference combined power generation device
Technical field
The present invention relates to power field, and in particular to a kind of photovoltaic temperature difference combined power generation device.
Background technology
At present, to be widely used in the area life generating in communication, rural area etc., meteorology, traffic etc. multiple for photovoltaic power generation technology Field.Photovoltaic panel is the core component in photovoltaic power generation apparatus, and the temperature of photovoltaic panel will be raised in power generation process, due to temperature Too high that photovoltaic generation one after another may be caused to substantially reduce, the service life of TRT will also decrease, for example silicon solar cell Be operated in temperature it is higher in the case of, open-circuit voltage declines to a great extent with the rise of temperature, also result in charging operating point it is serious Skew, easily makes system undercharge and damages;The power output of silicon solar cell also declines to a great extent with the rise of temperature, causes Solar cell module can not give full play to maximum performance.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that provide a kind of photovoltaic temperature difference cogeneration dress Put, generated electricity using the used heat produced by photovoltaic panel.
The invention provides a kind of photovoltaic temperature difference combined power generation device, have the feature that, including:Photovoltaic generation portion, Receive sunshine and carry out photovoltaic generation, with solar panel;Fixed conducting portion, is arranged on below photovoltaic generation portion, is used for Fixed photovoltaic generation portion and the heat in conduction photovoltaic generation portion;And thermo-electric generation portion, the lower section in fixed conducting portion is arranged on, The temperature difference that the heat of the conduction in absorption fixed conducting portion is caused is generated electricity.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, the temperature difference is sent out Electric portion has:Upper strata pipeline, the working fluid of heat supply;Lower floor's pipeline, the working fluid of cooling and with upper strata pipeline Connection;And multiple thermoelectric cells, it is arranged on embedded mode between upper strata pipeline and lower floor's pipeline.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, upper strata is managed Road and lower floor's pipeline are dismountable pipeline and are in be staggered.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, upper strata is managed The connectivity part in road and lower floor's pipeline is provided with preventing reverse flow part.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, workflow Body is water or air.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, solar energy Glass cover-plate is additionally provided with above cell panel, for protecting solar panel, glass cover-plate is by the first articulamentum and too Positive energy cell panel is connected.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, first connects Layer is connect using ethylene-vinyl acetate copolymer (EVA) material.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, it is fixed to pass Portion is led for aluminum plate, copper plates or silvery plate.
In the photovoltaic temperature difference combined power generation device that the present invention is provided, it can also have the feature that:Wherein, it is fixed to pass Being connected by the second articulamentum with solar panel for portion is led, the second articulamentum uses ethylene-vinyl acetate copolymer (EVA) material.
The effect of invention and effect
A kind of photovoltaic temperature difference combined power generation device involved in the present invention, is sent out using the used heat produced by photovoltaic panel Electricity, because including photovoltaic generation portion, fixed conducting portion and thermo-electric generation portion, thermo-electric generation portion and photovoltaic generation portion pass through fixation Conducting part is connected, and thermo-electric generation portion includes the working fluid of the upper strata pipeline heating close to photovoltaic generation portion;Away from photovoltaic The working fluid of lower floor's pipeline cooling of Power Generation Section and with upper strata pipeline communication;Multiple thermoelectric cells are set with embedded mode Between upper strata pipeline and lower floor's pipeline, so the photovoltaic temperature difference combined power generation device of the present invention is passed through using water-cooled or air-flow Pipeline, because the thermal conductance of thermoelectric cell is very poor, and is exchanged heat with backboard when water or air-flow flow into upper pipe, is risen Temperature, relatively low water or air-flow carry out thermo-electric generation with the temperature of lower section of tubing, are realized that can reduce photovoltaic plate temperature On the premise of power is improved, and then thermo-electric generation is realized, improve overall generating efficiency.In addition, the photovoltaic temperature difference connection of the present invention Closing TRT has compact conformation, makes simple, conveniently the characteristics of dismounting, and user can select according in the case of varying environment Different structures are assembled.
Brief description of the drawings
Fig. 1 is the structural representation of photovoltaic temperature difference combined power generation device in embodiments of the invention;
Fig. 2 is the top view in thermo-electric generation portion in embodiments of the invention;
Fig. 3 is the side view in thermo-electric generation portion in embodiments of the invention;
Fig. 4 is the side view in thermo-electric generation portion in variation one of the invention;And
Fig. 5 is the side view in thermo-electric generation portion in variation two of the invention.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below Example combination accompanying drawing is applied to be specifically addressed the photovoltaic temperature difference combined power generation device of the present invention.
<Embodiment>
Fig. 1 is the structural representation of photovoltaic temperature difference combined power generation device in embodiments of the invention.
As shown in figure 1, photovoltaic temperature difference combined power generation device 100 includes:Photovoltaic generation portion 10, fixed conducting portion 20 and temperature Poor Power Generation Section 30.
Photovoltaic generation portion 10 receives sunshine and carries out photovoltaic generation, includes solar panel 11, glass cover-plate 12, control Device, battery and inverter (not shown).Solar panel 11 to photovoltaic effect by producing electric current, by the light of absorption Electric energy can be converted to.Glass cover-plate 12 is covered in the top of solar panel 11, for protecting solar panel 11, in reality Apply the glass plate that glass cover-plate 12 in example uses superelevation transmitance (>=90%).(figure is not by the first articulamentum for glass cover-plate 12 Show) it is connected with solar panel 11, the first articulamentum uses ethylene-vinyl acetate copolymer (EVA) in the present embodiment Material.The generating that controller is used for photovoltaic generation portion 10 is controlled.Battery is used for the electricity for storing solar panel 11 Energy.It is alternating current that inverter, which is used for storage DC conversion, facilitates electricity usage.
Fixed conducting portion 20 is arranged on the lower section in photovoltaic generation portion 10, for fixing photovoltaic generation portion 10 and conduction photovoltaic The heat of Power Generation Section 10.Fixed conducting portion 20 can good, mechanical property be good for heat conductivilitys such as aluminum plate, copper plates or silvery plates Material, in the present embodiment, fixed conducting portion 20 uses aluminum plate.Fixed conducting portion 20 passes through the second articulamentum (not shown) It is connected with solar panel 11, the second articulamentum uses ethylene-vinyl acetate copolymer (EVA) material in the present embodiment Matter.
Fig. 2 is the top view in thermo-electric generation portion in embodiments of the invention;And Fig. 3 is the temperature difference in embodiments of the invention The side view of Power Generation Section.
As shown in figure 1, thermo-electric generation portion 30 is arranged on the lower section in fixed conducting portion 20, the conduction in fixed conducting portion 20 is absorbed The temperature difference that causes of heat generated electricity.Thermo-electric generation portion 30 has upper strata pipeline 31, lower floor's pipeline 32 and multiple thermoelectrics Pond 33.As shown in Fig. 2 working fluid (working fluid is water or air) circulation of the heat supply of upper strata pipeline 31, with multiple outlets 31a.The working fluid of the cooling of lower floor's pipeline 32 and connected with upper strata pipeline 31, with multiple import 32a.As shown in figure 3, Thermoelectric cell 33 is arranged between upper strata pipeline 31 and lower floor's pipeline 32 with embedded mode.Upper strata pipeline 31 and lower floor pipeline 32 are equal In as shown in Figure 3 in being staggered, such set make it that Temperature Distribution is more uniform.The structure setting of pipeline is not in Fig. 3 As limitation, for example, upper strata pipeline 31 may also be configured to snake pipe with lower floor's pipeline 32.In addition, the corner of pipeline is equal It can be rectangular shaped or circular shape, be set in the present embodiment using the corner of rectangular shaped.As shown in figure 3, upper strata is managed The connectivity part in road 31 and lower floor's pipeline 32 is provided with preventing reverse flow part 34.In the present embodiment, summer operation fluid can be adopted With water, when working fluid is water, preventing reverse flow part uses one-way flow valve (as shown in Fig. 3 34), with prevent cold water and Hot water is mixed;Season in spring and autumn working fluid can use air, and small-sized electric fan can be used when can work as working fluid for air, To prevent that cold air and hot-air from mixing so that the temperature difference is kept within the specific limits, so as to ensure the normal operation of thermo-electric generation.
<Variation one>
Fig. 4 is the side view in thermo-electric generation portion in variation one of the invention.
In this variation one, for identical structure in embodiment, give identical symbol, and omit identical and say It is bright.
This variation one removes upper strata pipeline in thermo-electric generation portion 30, and thermoelectric cell 33 is arranged on fixed conducting portion 20 Lower section, is directly contacted with fixed conducting portion 20.Lower floor's pipeline 32 ' is arranged on the lower section of thermoelectric cell, and lower floor's pipeline 32 ' has simultaneously There are the other structures in import 321 and outlet 322, this variation one identical with embodiment.
<Variation two>
Fig. 5 is the side view in thermo-electric generation portion in variation two of the invention.
In this variation two, for identical structure in embodiment, give identical symbol, and omit identical and say It is bright.
This variation two removes upper strata pipeline and lower floor's pipeline, thermoelectric cell in this variation one in thermo-electric generation portion 30 33 are arranged on the lower section in fixed conducting portion 20, are directly contacted with fixed conducting portion 20.Other structures in this variation one with It is identical in embodiment.
This variation is applied to winter, because winter environment temperature is low, illumination is weak, and user can be by that will tear open pipeline up and down Under, directly temperature difference plate is contacted with aluminum plate, now the temperature of solar panel will not be too high, but thermoelectric cell plate two ends It can be generated electricity in the presence of the stable temperature difference.
The effect of embodiment and effect
A kind of photovoltaic temperature difference combined power generation device involved by the present embodiment, is sent out using the used heat produced by photovoltaic panel Electricity, because including photovoltaic generation portion, fixed conducting portion and thermo-electric generation portion, thermo-electric generation portion and photovoltaic generation portion pass through fixation Conducting part is connected, and thermo-electric generation portion includes the working fluid of the upper strata pipeline heating close to photovoltaic generation portion;Away from photovoltaic The working fluid of lower floor's pipeline cooling of Power Generation Section and with upper strata pipeline communication;Multiple thermoelectric cells are set with embedded mode Between upper strata pipeline and lower floor's pipeline, so the photovoltaic temperature difference combined power generation device of the present embodiment is logical using water-cooled or air-flow Piping, because the thermal conductance of thermoelectric cell is very poor, and is exchanged heat when water or air-flow flow into upper pipe with backboard, Heating, relatively low water or air-flow carry out thermo-electric generation with the temperature of lower section of tubing, photovoltaic plate temperature can reduced into real On the premise of existing power is improved, and then thermo-electric generation is realized, improve overall generating efficiency.In addition, the photovoltaic temperature of the present embodiment Poor combined power generation device has compact conformation, makes simple, conveniently the characteristics of dismounting, in the case of user can be according to varying environment The different structure of selection is assembled.
In addition, the present embodiment realizes thermo-electric generation and photovoltaic generation simultaneously, and at different seasons, can be using not With structure, and this two kinds of generation modes and deposit there is provided more electricity, meet the power demands of user.
Above-mentioned embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.

Claims (9)

1. a kind of photovoltaic temperature difference combined power generation device, it is characterised in that including:
Photovoltaic generation portion, receives sunshine and carries out photovoltaic generation, with solar panel;
Fixed conducting portion, is arranged on below the photovoltaic generation portion, for fixing the photovoltaic generation portion and conducting the light Lie prostrate the heat of Power Generation Section;And
Thermo-electric generation portion, is arranged on the lower section in the fixed conducting portion, and the heat for absorbing the conduction in the fixed conducting portion is caused The temperature difference generated electricity.
2. photovoltaic temperature difference combined power generation device according to claim 1, it is characterised in that:
Wherein, the thermo-electric generation portion has:
Upper strata pipeline, the working fluid of heat supply, with outlet;
Lower floor's pipeline, the working fluid of cooling and with the upper strata pipeline communication, with import;And
Multiple thermoelectric cells, are arranged between the upper strata pipeline and lower floor's pipeline with embedded mode.
3. photovoltaic temperature difference combined power generation device according to claim 2, it is characterised in that:
Wherein, upper strata pipeline and lower floor's pipeline are dismountable pipeline and are in be staggered.
4. photovoltaic temperature difference combined power generation device according to claim 2, it is characterised in that:
Wherein, the connectivity part of upper strata pipeline and lower floor's pipeline is provided with preventing reverse flow part.
5. photovoltaic temperature difference combined power generation device according to claim 2, it is characterised in that:
Wherein, the working fluid is water or air.
6. photovoltaic temperature difference combined power generation device according to claim 1, it is characterised in that:
Wherein, glass cover-plate is additionally provided with above the solar panel, for protecting the solar panel,
The glass cover-plate is connected by the first articulamentum with the solar panel.
7. photovoltaic temperature difference combined power generation device according to claim 5, it is characterised in that:
Wherein, first articulamentum uses ethylene-vinyl acetate copolymer (EVA) material.
8. photovoltaic temperature difference combined power generation device according to claim 1, it is characterised in that:
Wherein, the fixed conducting portion is aluminum plate, copper plates or silvery plate.
9. photovoltaic temperature difference combined power generation device according to claim 8, it is characterised in that:
Wherein, the fixed conducting portion is connected by the second articulamentum with the solar panel, second connection Layer uses ethylene-vinyl acetate copolymer (EVA) material.
CN201710351571.3A 2017-05-18 2017-05-18 Photovoltaic temperature difference combined power generation device Pending CN106953550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710351571.3A CN106953550A (en) 2017-05-18 2017-05-18 Photovoltaic temperature difference combined power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710351571.3A CN106953550A (en) 2017-05-18 2017-05-18 Photovoltaic temperature difference combined power generation device

Publications (1)

Publication Number Publication Date
CN106953550A true CN106953550A (en) 2017-07-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424139A (en) * 2017-08-27 2019-03-05 南京乐朋电子科技有限公司 A kind of novel and multifunctional building wall brick

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002106964A (en) * 2000-09-29 2002-04-10 Matsushita Electric Ind Co Ltd Water heater using solar heat
US20120192920A1 (en) * 2011-01-27 2012-08-02 Total Energy Renewable Power Systems, Llc Stacked Layer High Efficiency Solar Energy Collector
CN102647122A (en) * 2012-05-15 2012-08-22 上海电力学院 Solar photovoltaic-temperature difference automatic temperature control joint power generation unit
CN203339200U (en) * 2013-07-26 2013-12-11 安徽工业大学 Heat collector of solar energy comprehensive utilization system
CN204558490U (en) * 2015-02-26 2015-08-12 宁夏银星能源光伏发电设备制造有限公司 A kind of solar module device realizing cooling and thermo-electric generation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002106964A (en) * 2000-09-29 2002-04-10 Matsushita Electric Ind Co Ltd Water heater using solar heat
US20120192920A1 (en) * 2011-01-27 2012-08-02 Total Energy Renewable Power Systems, Llc Stacked Layer High Efficiency Solar Energy Collector
CN102647122A (en) * 2012-05-15 2012-08-22 上海电力学院 Solar photovoltaic-temperature difference automatic temperature control joint power generation unit
CN203339200U (en) * 2013-07-26 2013-12-11 安徽工业大学 Heat collector of solar energy comprehensive utilization system
CN204558490U (en) * 2015-02-26 2015-08-12 宁夏银星能源光伏发电设备制造有限公司 A kind of solar module device realizing cooling and thermo-electric generation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424139A (en) * 2017-08-27 2019-03-05 南京乐朋电子科技有限公司 A kind of novel and multifunctional building wall brick

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Application publication date: 20170714