CN108615780A - Photovoltaic battery panel cooling system - Google Patents
Photovoltaic battery panel cooling system Download PDFInfo
- Publication number
- CN108615780A CN108615780A CN201810770459.8A CN201810770459A CN108615780A CN 108615780 A CN108615780 A CN 108615780A CN 201810770459 A CN201810770459 A CN 201810770459A CN 108615780 A CN108615780 A CN 108615780A
- Authority
- CN
- China
- Prior art keywords
- heat
- battery panel
- photovoltaic battery
- cooling system
- back surfaces
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- -1 graphite Alkene Chemical class 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 11
- 238000010248 power generation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- 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
- H02S40/40—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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic battery panel cooling systems, including：It is sprayed on the heat transfer coating of photovoltaic battery panel back surfaces, and cooling and heat dissipation is carried out by cooling air mode, liquid cooling mode, solid type of cooling technology, while realizing that thermal energy recycles.The temperature with high efficiency of photovoltaic battery panel is on the one hand realized, electricity conversion is improved by types of cooling such as air, liquid, solids using photovoltaic battery panel back surfaces spraying high heat transfer graphene coating；On the other hand photovoltaic battery panel heat is efficiently distributed in air or is carried out heat recovery and supply thermal energy, improve the comprehensive utilization ratio of solar energy comprehensively.
Description
Technical field
The invention belongs to photovoltaic battery panel technical field more particularly to a kind of photovoltaic battery panel cooling systems.
Background technology
Photovoltaic power generation technology is as green energy resource, and the accounting in worldwide energy produces structure is higher and higher, photovoltaic hair
Gradually substitution traditional fossil energy has become trend of the times to electricity.But with the rule that become increasingly popular and generate electricity of photovoltaic power generation technology
Mould is continuously increased, and the advantage of photovoltaic generation is more and more obvious, while the disadvantage that is affected by temperature of its power generation performance is also increasingly
It highlights.
The open-circuit voltage of monomer photovoltaic cell is to be reduced with the raising of temperature, while photovoltaic cell short circuit current is with temperature
The raising of degree and increase.The power of photovoltaic cell and generating efficiency have a direct relation, however the peak power of photovoltaic cell with
The raising of temperature and reduce, i.e. temperature often increases 1 DEG C, and the peak power loss late of photovoltaic cell is about 0.35~0.45%, example
It is such as operated in 20 DEG C of photovoltaic cell, it is high by 20% when output power is than being operated in 70 DEG C.Therefore, photovoltaic cell is in higher temperatures
Under degree when work, open-circuit voltage is increased with temperature and is declined to a great extent, while output power also declines to a great extent with the raising of temperature, is caused
Prevent photovoltaic cell component from giving full play to maximum performance, also means that power station generated energy can be reduced.
In order to solve the above technical problems, those skilled in the art are cooled down by the way of air-cooled or liquid cooling, it is air-cooled to be
Cooled down to photovoltaic battery panel using air nature or forced convertion, liquid cooling is to take away surface of photovoltaic cell panel using cold fluid
Temperature, but there are complicated, early investment amount is big, heat-sinking capability is low and has certain heat dissipation pole for above-mentioned cooling method
The problem of limit.
Invention content
In order to solve the above technical problems, the present invention provides a kind of photovoltaic battery panel cooling system.For the implementation to disclosure
There are one basic understandings for some aspects of example, and simple summary is shown below.The summarized section is not extensive overview, not yet
It is key/critical component to be determined or describes the protection domain of these embodiments.Its sole purpose is with simple form
Some concepts are presented, in this, as the preamble of following detailed description.
The present invention adopts the following technical scheme that：
In some optional embodiments, a kind of photovoltaic battery panel cooling system is provided, including：It is sprayed on photovoltaic battery panel
The heat transfer coating of back surfaces.
In some optional embodiments, the heat transfer coating is by graphene coating even application in photovoltaic cell backboard
Portion surface and formed.
In some optional embodiments, the photovoltaic battery panel cooling system further includes：It is arranged in photovoltaic battery panel
The surface of the cooling fin of back surfaces, the cooling fin sprays a layer graphene coating by graphene coating.
In some optional embodiments, the photovoltaic battery panel cooling system further includes：Heat conducting pipe and heat exchange
Device, the heat conducting pipe are bonded with photovoltaic battery panel back surfaces, and the both ends of the heat conducting pipe respectively with the heat exchanger
Heating medium and heating agent outlet connection.
In some optional embodiments, the photovoltaic battery panel cooling system further includes：Heat-transfer device and heat exchange dress
It sets, the heat-transfer device is bonded with photovoltaic battery panel back surfaces, and the heat-transfer device is connect with the heat-exchanger rig.
In some optional embodiments, the heat-transfer device is thermally conductive sheet or graphene metal mixed filling pipe；It is described
The surface of thermally conductive sheet sprays a layer graphene coating by graphene coating；The graphene metal mixed fills pipe：Metal
Manage and be packed in aluminium powder in the metal tube, Graphene powder, the one or more of magnesium powder.
In some optional embodiments, the heat-exchanger rig includes：Heat exchange box, the heat exchange box is interior to contain heat exchanging liquid
Or recuperated gas, through-hole is set on the heat exchange box, and the thermally conductive sheet or graphene metal mixed fill pipe across the through-hole
It stretches into inside the heat exchange box.
In some optional embodiments, the cooling fin is set to inverter surface simultaneously.
In some optional embodiments, the heat conducting pipe is bonded with inverter back surfaces simultaneously.
In some optional embodiments, the heat-transfer device is bonded with inverter back surfaces simultaneously
Advantageous effect caused by the present invention：The present invention is real by spraying heat transfer coating in photovoltaic battery panel back surfaces
Efficient fast cooling is showed, using the high heat transfer performance of graphene, uniformly, efficiently by photovoltaic battery panel back table
Face heat transfer is gone out, to reduce about 50 DEG C of PN junction temperature so that photoelectric conversion efficiency increases substantially；Meanwhile to light
During lying prostrate solar panel cooling, thermal energy recycling is effectively performed, the comprehensive utilization ratio for improving solar energy is more energy saving
Environmental protection.
For above-mentioned and relevant purpose, one or more embodiments include being particularly described below and in claim
In the feature that particularly points out.Certain illustrative aspects are described in detail in the following description and the annexed drawings, and its instruction is only
Some modes in the utilizable various modes of principle of each embodiment.Other benefits and novel features will be under
The detailed description in face is considered in conjunction with the accompanying and becomes apparent, the disclosed embodiments be all such aspects to be included and they
Be equal.
Description of the drawings
Fig. 1 is the position view of photovoltaic battery panel of the present invention and heat transfer coating；
Fig. 2 is the structure chart of the cooling air mode of photovoltaic battery panel cooling system of the present invention；
Fig. 3 is the structure chart of the liquid cooling mode of photovoltaic battery panel cooling system of the present invention；
Fig. 4 is the structure chart of the solid type of cooling of photovoltaic battery panel cooling system of the present invention；
Specific implementation mode
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.
In some illustrative embodiments, as shown in Figure 1, providing a kind of photovoltaic battery panel cooling system, including：Spraying
In the heat transfer coating 2 of the back surfaces of photovoltaic battery panel 1, heat transfer coating 2 is by graphene coating even application in photovoltaic electric
1 back surfaces of pond plate and formed.Using the high heat transfer performance of graphene, uniformly, efficiently by photovoltaic battery panel back
Surface heat passes, by reducing rapidly for photovoltaic battery panel back surfaces temperature, to reduce the temperature of PN junction, PN junction
After temperature reduces, photoelectric conversion efficiency will increase substantially.While photovoltaic battery panel back surfaces temperature reduces rapidly, with light
It lies prostrate and will produce temperature difference between the front of solar panel, according to thermo-electric generation effect, it is relatively low that electronics that thermal energy releases flows to temperature
One side, the one side for causing temperature high is positively charged, and the lower one side of temperature is negatively charged so that the temperature difference on two sides generates electric current,
Transfer efficiency can reach 3% to 8%.
As shown in Fig. 2, the photovoltaic battery panel cooling system of the present invention, further includes：Cooling fin 3, cooling fin 3 are arranged in photovoltaic
The back surfaces of solar panel 1, and the surface of cooling fin 3 sprays a layer graphene coating by graphene coating.In photovoltaic battery panel 1
On the basis of the heat transfer coating 2 of back surfaces, in photovoltaic battery panel back surfaces air downbeam fixing cooling fins 3,
In the case of not influencing air proper flow, to increase the contact area of photovoltaic battery panel back surfaces and air, accelerate photovoltaic
Solar panel back surfaces radiate, and to quickly reduce photovoltaic cell plate temperature, 1 temperature of photovoltaic battery panel are made to drop to close to sky
Temperature degree.
As shown in figure 3, the photovoltaic battery panel cooling system of the present invention, further includes：Heat conducting pipe 4 and heat exchanger 5, heat conducting pipe
4 are bonded with the plate back surfaces of photovoltaic cell 1, and the both ends of heat conducting pipe 4 go out with the Heating medium of heat exchanger and heating agent respectively
Mouth connection.It, will by the flowing of liquid in heat conducting pipe 4 on the basis of the heat transfer coating 2 of 1 back surfaces of photovoltaic battery panel
Heat is brought from photovoltaic battery panel back surfaces to heat exchanger 5 rapidly, equably.Effectively reducing photovoltaic battery panel back surfaces
While temperature, thermal energy is efficiently recycled by heat exchanger 5.
As shown in figure 4, the photovoltaic battery panel cooling system of the present invention, further includes：Heat-transfer device 6 and heat-exchanger rig 7, heat conduction
Device 6 is bonded with the back surfaces of photovoltaic battery panel 1, and heat-transfer device 6 is connect with heat-exchanger rig 7.Wherein, heat-transfer device 6 is
Thermally conductive sheet or graphene metal mixed filling pipe, the surface of thermally conductive sheet spray a layer graphene coating by graphene coating；Graphite
Alkene metal mixed fills pipe：Metal tube and it is packed in aluminium powder in the metal tube, Graphene powder, one kind of magnesium powder or several
Kind.By high heat transfer, heat is brought from photovoltaic battery panel back surfaces to heat-exchanger rig 7 rapidly, equably, is effectively being dropped
While low photovoltaic battery panel back surfaces temperature, thermal energy is efficiently recycled by heat-exchanger rig 7.
Heat-exchanger rig 7 includes：Heat exchange box 71, the interior heat exchanging liquid or recuperated gas, heat exchanging liquid of containing of heat exchange box 71 can be
Water, through-hole is arranged on heat exchange box, and thermally conductive sheet or graphene metal mixed filling pipe are stretched into across through-hole inside heat exchange box 71.Pass through
The heat exchanging liquid or recuperated gas in heat exchange box 71 are recycled, heat exchanging liquid or recuperated gas is exported, when heat exchanging liquid or changes
Hot gas is led back to after distributing heat to other spaces in heat exchange box 71 again, ensures that heat exchanging liquid or recuperated gas can absorb heat conduction
The heat that piece or graphene metal mixed filling pipe are brought.
Cooling fin 3 is set on inverter 8, while being that inverter 8 cools down, or makes heat conduction by cooling fin 3
Pipe 4 or the arrangement of heat-transfer device 6 pass through inverter 8, are bonded with the back surfaces of inverter 8, are cooled down for photovoltaic battery panel
While cool down for inverter 8,8 temperature of inverter is relatively low so that 8 transformation efficiency of inverter is promoted.
It should also be appreciated by one skilled in the art that various illustrative logical boxs, mould in conjunction with the embodiments herein description
Electronic hardware, computer software or combinations thereof may be implemented into block, circuit and algorithm steps.In order to clearly demonstrate hardware and
Interchangeability between software surrounds various illustrative components, frame, module, circuit and step its function above and carries out
It is generally described.It is implemented as hardware as this function and is also implemented as software, depends on specific application and to entire
The design constraint that system is applied.Those skilled in the art can be directed to each specific application, be realized in a manner of flexible
Described function, it is still, this to realize that decision should not be construed as the protection domain away from the disclosure.
Claims (10)
1. photovoltaic battery panel cooling system, which is characterized in that including：The heat transfer for being sprayed on photovoltaic battery panel back surfaces applies
Layer.
2. photovoltaic battery panel cooling system according to claim 1, which is characterized in that the heat transfer coating is by graphene
Coating even application is formed in photovoltaic battery panel back surfaces.
3. photovoltaic battery panel cooling system according to claim 2, which is characterized in that further include：It is arranged in photovoltaic cell
The surface of the cooling fin of plate back surfaces, the cooling fin sprays a layer graphene coating by graphene coating.
4. photovoltaic battery panel cooling system according to claim 2, which is characterized in that further include：Heat conducting pipe and heat exchange
Device, the heat conducting pipe are bonded with photovoltaic battery panel back surfaces, and the both ends of the heat conducting pipe respectively with the heat exchanger
Heating medium and heating agent outlet connection.
5. photovoltaic battery panel cooling system according to claim 2, which is characterized in that further include：Heat-transfer device and heat exchange
Device, the heat-transfer device are bonded with photovoltaic battery panel back surfaces, and the heat-transfer device is connect with the heat-exchanger rig.
6. photovoltaic battery panel cooling system according to claim 5, which is characterized in that the heat-transfer device be thermally conductive sheet or
Graphene metal mixed filling pipe；The surface of the thermally conductive sheet sprays a layer graphene coating by graphene coating；The graphite
Alkene metal mixed fills pipe：Metal tube and it is packed in aluminium powder in the metal tube, Graphene powder, one kind of magnesium powder or several
Kind.
7. photovoltaic battery panel cooling system according to claim 6, which is characterized in that the heat-exchanger rig includes：Heat exchange
Case, the heat exchange box is interior to contain heat exchanging liquid or recuperated gas, and through-hole, the thermally conductive sheet or graphene is arranged on the heat exchange box
Metal mixed filling pipe is stretched into across the through-hole inside the heat exchange box.
8. photovoltaic battery panel cooling system according to claim 3, which is characterized in that the cooling fin is set to inverse simultaneously
Become device surface.
9. photovoltaic battery panel cooling system according to claim 4, which is characterized in that the heat conducting pipe while and inverter
Back surfaces are bonded.
10. photovoltaic battery panel cooling system according to claim 7, which is characterized in that the heat-transfer device simultaneously with it is inverse
Become the fitting of device back surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770459.8A CN108615780A (en) | 2018-07-13 | 2018-07-13 | Photovoltaic battery panel cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770459.8A CN108615780A (en) | 2018-07-13 | 2018-07-13 | Photovoltaic battery panel cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108615780A true CN108615780A (en) | 2018-10-02 |
Family
ID=63666377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770459.8A Pending CN108615780A (en) | 2018-07-13 | 2018-07-13 | Photovoltaic battery panel cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108615780A (en) |
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| CN108039386A (en) * | 2018-01-18 | 2018-05-15 | 四川聚创石墨烯科技有限公司 | A kind of photovoltaic and photothermal alliance component optimized totally |
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| CN101414644A (en) * | 2008-12-04 | 2009-04-22 | 赵耀华 | Radiating device for photovoltaic battery |
| CN104231701A (en) * | 2014-10-09 | 2014-12-24 | 哈尔滨工业大学 | Infrared radiating coating for photovoltaic module backing plate and preparation method of radiating photovoltaic module backing plate |
| CN205566216U (en) * | 2016-01-22 | 2016-09-07 | 江苏中圣高科技产业有限公司 | Solar photovoltaic waste heat recovery device that generates electricity |
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