CN110212860B - Concentrating photovoltaic device capable of self-radiating - Google Patents
Concentrating photovoltaic device capable of self-radiating Download PDFInfo
- Publication number
- CN110212860B CN110212860B CN201910524807.8A CN201910524807A CN110212860B CN 110212860 B CN110212860 B CN 110212860B CN 201910524807 A CN201910524807 A CN 201910524807A CN 110212860 B CN110212860 B CN 110212860B
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- heat
- solar cell
- conducting
- dissipation
- brush
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005213 imbibition Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- 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
-
- 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
-
- 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
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a self-heat-dissipation concentrating photovoltaic device which comprises an installation frame, a Fresnel lens and a solar cell, wherein the Fresnel lens and the solar cell are installed inside the installation frame, an installation groove corresponding to the position of the solar cell penetrates through the lower end face of the installation frame, a heat-conducting iron plate which is attached to the solar cell for heat transfer is fixedly installed in the installation groove, a plurality of heat-dissipation mechanisms are installed in the installation groove, arc-shaped brush grooves matched with the heat-dissipation mechanisms are formed in the heat-conducting iron plate, the heat-dissipation mechanisms are rotatably installed on an installation seat on the inner wall of the installation groove, and two connecting rods are fixedly connected to the installation. The solar cell heat-conducting brush piece can be automatically started when the temperature of the solar cell is too high, the heat of the heat-conducting iron plate is absorbed and dissipated through the rotating heat-conducting brush piece, and the heat absorption and dissipation of the heat-conducting iron plate are completed by matching with the evaporation and condensation processes of the evaporation liquid, so that the heat-conducting brush piece has a good heat dissipation effect, can realize the self-adaption of the heat dissipation rate of the heat dissipation mechanism, improves the heat dissipation efficiency, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of photovoltaic new energy, in particular to a concentrating photovoltaic device capable of self-radiating.
Background
With the continuous development of human society, fossil energy sources available on the earth are gradually tense, and people continuously develop and utilize some new energy sources such as solar energy, wind energy, water energy and the like. The concentrating photovoltaic is a cheap solar photovoltaic device, and is a technology for generating electricity by using a concentrating technology and using a relatively cheap concentrator (generally using a fresnel lens) to replace an expensive solar cell and concentrating sunlight on the surface of the solar cell.
However, under the light condensing condition, the output power and the energy conversion efficiency of the system are greatly reduced along with the temperature rise of the solar cell, so that the heat dissipation efficiency of the solar cell needs to be improved, the heat dissipation of the solar cell is generally performed by air convection or installation of a heat dissipation fan in the prior art, under the light condensing condition, the heat dissipation effect of the conventional heat dissipation mode is poor, and the heat dissipation fan needs higher power when the temperature is too high, so that the energy conservation and the environmental protection are not enough.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-radiating concentrating photovoltaic device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light-gathering photovoltaic device capable of self-radiating comprises a mounting frame, a Fresnel lens and a solar cell, wherein the Fresnel lens and the solar cell are mounted inside the mounting frame, a mounting groove corresponding to the position of the solar cell is arranged on the lower end face of the mounting frame in a penetrating manner, a heat-conducting iron plate which is attached to the solar cell and conducts heat is fixedly mounted in the mounting groove, a plurality of heat-radiating mechanisms are mounted in the mounting groove, arc-shaped brush grooves matched with the heat-radiating mechanisms are formed in the heat-conducting iron plate, each heat-radiating mechanism is rotatably mounted on a corresponding mounting seat on the inner wall of the mounting groove, two connecting rods are fixedly connected to each mounting seat and are arranged in a cross manner, heat-conducting brush sheets are fixedly connected to two ends of each connecting rod, the heat-conducting brush sheets are of arc-shaped structures matched with the arc-shaped brush grooves, and each heat conducting brush piece is fixedly provided with a temperature control piece, and each temperature control piece is electrically connected with the electromagnet which is clockwise adjacent to the temperature control piece and controls the on-off of the current of the electromagnet.
Preferably, the side wall of the heat conducting brush piece is uniformly distributed with heat dissipation grooves.
Preferably, the heat conduction brush piece and the connecting rod are both of a hollow structure, the heat conduction brush piece is communicated with the inside of the connecting rod and is in vacuum, liquid absorbing cores are arranged on the inner walls of the heat conduction brush piece and the inner wall of the connecting rod, capillary mechanisms are arranged in the liquid absorbing cores, and evaporating liquid is absorbed in the liquid absorbing cores.
Preferably, the heat conductive brush piece is integrally formed with the connection rod.
The invention has the beneficial effects that:
by arranging the heat dissipation mechanism, when the temperature of the solar cell rises quickly due to receiving high-power illumination, the heat of the solar cell is transferred to the heat conduction iron plate, the heat absorption of the heat conduction brush piece from the arc brush groove is high in temperature, so that the temperature control piece on the heat conduction brush piece is conducted, further, the clockwise adjacent electromagnet circuit controlled by the temperature control piece is conducted to generate magnetic force, further, the electromagnet generates suction force on the heat conduction iron plate, further, the mounting seat is driven to rotate, the heat dissipation mechanism rotates, the heat-absorbed heat conduction brush piece is rotated out of the arc brush groove, the heat is taken away for heat dissipation, the clockwise adjacent heat conduction brush piece which does not absorb heat is rotated into the arc brush groove to continuously absorb heat, the heat dissipation mechanism can be repeatedly driven to rotate, further, the solar cell can be continuously dissipated, and when the temperature of the heat generated by the solar cell rises quickly due to large heat, the heating speed of the heat conduction brush, and further, the self-adaption of the heat dissipation rate of the heat dissipation mechanism is realized, the heat dissipation efficiency is improved, and the energy conservation and the environmental protection are realized.
Through setting up the evaporating liquid, the imbibition core, when the heat conduction brush piece that is located the arc brush inslot is heated, the evaporating liquid on the inside imbibition core of this heat conduction brush piece is heated and evaporates the heat absorption, and then faster, more heat absorption with on the heat conduction iron plate, and the gas of evaporating liquid conversion after the evaporation gets into the condensation of giving out heat in another heat conduction brush piece on the same connecting rod along hollow connecting rod, the evaporating liquid after the condensation passes through the capillary absorption effect of imbibition core, can evenly distributed again on the imbibition core in two heat conduction brush pieces on the same connecting rod, can reuse the evaporation of evaporating liquid, the condensation process, accomplish the heat absorption to heat conduction iron plate, the heat dissipation.
Drawings
Fig. 1 is a schematic structural diagram of a self-cooling concentrating photovoltaic device according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic structural diagram of a second embodiment of a self-cooling concentrating photovoltaic device according to the present invention.
In the figure: the solar thermal brush comprises an installation frame 1, a Fresnel lens 2, a solar cell 3, a heat-conducting iron plate 4, an installation groove 5, an arc-shaped brush groove 6, a heat-conducting brush piece 7, a connecting rod 8, a temperature control piece 9, an electromagnet 10, an installation seat 11 and a liquid absorption core 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1 and 2, a self-heat-dissipation concentrating photovoltaic device comprises a mounting frame 1, a fresnel lens 2 and a solar cell 3, wherein the fresnel lens 2 and the solar cell 3 are both mounted inside the mounting frame 1, a mounting groove 5 corresponding to the solar cell 3 is formed in the lower end surface of the mounting frame 1 in a penetrating manner, a heat-conducting iron plate 4 attached to the solar cell 3 for heat transfer is fixedly mounted in the mounting groove 5, a plurality of heat-dissipation mechanisms are mounted in the mounting groove 5, an arc-shaped brush groove 6 matched with the heat-dissipation mechanisms is formed in the heat-conducting iron plate 4, each heat-dissipation mechanism is rotatably mounted on a corresponding mounting seat 11 on the inner wall of the mounting groove 5, two connecting rods 8 are fixedly connected to each mounting seat 11, the two connecting rods 8 are arranged in a cross manner, heat-conducting brush sheets 7 are fixedly connected to both ends of the connecting rods 8, heat-dissipation grooves are, make heat conduction brush piece 7 faster when the heat dissipation, and heat conduction brush piece 7 be with arc brush groove 6 complex arc structure, the equal fixedly connected with electro-magnet 10 in both ends of connecting rod 8, all fixed mounting has temperature control piece 9 on each heat conduction brush piece 7, each temperature control piece 9 is connected with the electro-magnet 10 electricity rather than clockwise adjacent and controls the break-make of this electro-magnet 10 electric current.
In the invention, when the temperature of the solar cell 3 is rapidly raised due to receiving high-power illumination, the heat of the solar cell 3 is transferred to the heat-conducting iron plate 4, the heat-conducting brush piece 7 absorbs the heat from the arc-shaped brush groove 6, the temperature is high, the temperature control piece 9 on the heat-conducting brush piece 7 is conducted, the clockwise adjacent electromagnet 10 controlled by the temperature control piece 9 is further conducted to generate magnetic force, the electromagnet 10 generates suction force on the heat-conducting iron plate 4, the mounting seat 11 is further driven to rotate, the heat dissipation mechanism is rotated, the heat-absorbed heat-conducting brush piece 7 is rotated out of the arc-shaped brush groove 6, the heat is taken away for heat dissipation, the clockwise adjacent heat-conducting brush piece 7 which does not absorb heat is rotated into the arc-shaped brush groove 6 for continuously absorbing heat, the heat dissipation mechanism can be repeatedly driven to rotate, the solar cell 3 is further continuously dissipated, and when the temperature of the, the heat conducting brush piece 7 is heated at a high speed, so that the rotating speed of the heat dissipation mechanism is increased, the self-adaption of the heat dissipation speed of the heat dissipation mechanism is realized, the heat dissipation efficiency is improved, and the heat dissipation mechanism is energy-saving and environment-friendly.
Example two
Referring to fig. 3, a difference between the second embodiment and the first embodiment is that in the present embodiment, the heat conducting brush piece 7 and the connecting rod 8 are both of a hollow structure, and the heat conducting brush piece 7 and the connecting rod 8 are communicated and vacuumized inside, so that the boiling point of the evaporated liquid is reduced, and evaporation and heat absorption are easier, the heat conducting brush piece 7 and the connecting rod 8 are both provided with a wick 12 on the inner walls thereof, the wick 12 is internally provided with a capillary mechanism, and the wick 12 is adsorbed with the evaporated liquid, which can be dichloromethane, and is in a liquid state at normal temperature and a low boiling point. The heat conducting brush piece 7 and the connecting rod 8 are integrally formed, evaporation liquid and the liquid absorption core 12 are arranged, so that evaporation and condensation processes of the evaporation liquid can be repeatedly utilized, heat absorption and heat dissipation of the heat conducting iron plate 4 are completed, auxiliary heat dissipation is carried out, and heat dissipation efficiency is improved.
When the heat conducting brush piece 7 in the arc-shaped brush groove 6 is heated, the evaporating liquid on the liquid absorbing core 12 in the heat conducting brush piece 7 is heated to evaporate and absorb heat, so that more heat on the heat conducting iron plate 4 can be absorbed more quickly, and the converted gas after the evaporating liquid is evaporated enters the other heat conducting brush piece 7 on the same connecting rod 8 along the hollow connecting rod 8 to release heat and condense, the condensed evaporating liquid passes through the capillary absorption effect of the liquid absorbing core 12 and can be uniformly distributed on the liquid absorbing cores 12 in the two heat conducting brush pieces 7 on the same connecting rod 8 again, so that the evaporation and condensation processes of the evaporating liquid can be repeatedly utilized, and the heat absorption and the heat dissipation of the heat conducting iron plate 4 are completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A concentrating photovoltaic device capable of dissipating heat automatically comprises an installation frame (1), a Fresnel lens (2) and a solar cell (3), wherein the Fresnel lens (2) and the solar cell (3) are installed inside the installation frame (1), and the concentrating photovoltaic device is characterized in that a mounting groove (5) corresponding to the position of the solar cell (3) is arranged on the lower end face of the installation frame (1) in a penetrating manner, a heat-conducting iron plate (4) which is attached to the solar cell (3) for heat transfer is fixedly installed in the mounting groove (5), a plurality of heat-dissipating mechanisms are installed in the mounting groove (5), an arc-shaped brush groove (6) matched with the heat-dissipating mechanisms is arranged on the heat-conducting iron plate (4), each heat-dissipating mechanism is rotatably installed on a corresponding mounting seat (11) on the inner wall of the mounting groove (5), two connecting rods (8) are fixedly connected to each mounting seat (11), and the two connecting rods (8) are arranged, the equal fixedly connected with heat conduction brush piece (7) in both ends of connecting rod (8), and heat conduction brush piece (7) be with arc brush groove (6) complex arc structure, the equal fixedly connected with electro-magnet (10) in both ends of connecting rod (8), each equal fixed mounting has temperature control piece (9) on heat conduction brush piece (7), each temperature control piece (9) are connected and control the break-make of this electro-magnet (10) electric current with its clockwise adjacent electro-magnet (10) electricity.
2. The self-heat-dissipation concentrating photovoltaic device according to claim 1, wherein heat dissipation grooves are uniformly distributed on the side wall of the heat conducting brush sheet (7).
3. The self-heat-dissipation concentrating photovoltaic device according to claim 1, wherein the heat conducting brush sheet (7) and the connecting rod (8) are both hollow structures, the heat conducting brush sheet (7) and the connecting rod (8) are communicated with each other and are in vacuum, the inner walls of the heat conducting brush sheet (7) and the connecting rod (8) are both provided with a liquid absorption core (12), the liquid absorption core (12) is internally provided with a capillary mechanism, and evaporation liquid is absorbed in the liquid absorption core (12).
4. The self-radiating concentrating photovoltaic device according to claim 3, wherein the heat conducting brush (7) is integrally formed with the connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524807.8A CN110212860B (en) | 2019-06-18 | 2019-06-18 | Concentrating photovoltaic device capable of self-radiating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910524807.8A CN110212860B (en) | 2019-06-18 | 2019-06-18 | Concentrating photovoltaic device capable of self-radiating |
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| CN110212860A CN110212860A (en) | 2019-09-06 |
| CN110212860B true CN110212860B (en) | 2020-11-06 |
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| CN102607206B (en) * | 2012-03-30 | 2013-07-24 | 天津大学 | Solar photovoltaic photo-thermal composite heat pipe vacuum tube |
| CN103531652B (en) * | 2013-10-31 | 2016-06-08 | 中国石油大学(华东) | A kind of chiller of disc type solar energy condensation photovoltaic cell panel |
| CN206894572U (en) * | 2017-04-21 | 2018-01-16 | 江苏弘德科技发展有限公司 | A kind of grid-connected power station solar components of large-sized photovoltaic |
| CN207368966U (en) * | 2017-09-25 | 2018-05-15 | 宁夏银星能源光伏发电设备制造有限公司 | A kind of solar cell module |
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Effective date of registration: 20200922 Address after: No.9, Zhongtan farm No.1, Xianfeng Town, wulateqian banner, Bayannur City, Inner Mongolia Autonomous Region Applicant after: Hu Zefeng Address before: 310018 No. 2, 928 Avenue, Hangzhou, Zhejiang, Jianggan District Applicant before: Song Pingping |
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Address after: 014030 room 1002, unit 1, building 5, American style double floor community, rare earth high tech Zone, Baotou City, Inner Mongolia Autonomous Region Patentee after: Hu Zefeng Address before: 015000 No.9, No.1 Branch, Zhongtan farm, Xianfeng Town, wulateqian banner, Bayannaoer City, Inner Mongolia Autonomous Region Patentee before: Hu Zefeng |