CN210273956U - Novel anti-icing solar panel - Google Patents
Novel anti-icing solar panel Download PDFInfo
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- CN210273956U CN210273956U CN201920665547.1U CN201920665547U CN210273956U CN 210273956 U CN210273956 U CN 210273956U CN 201920665547 U CN201920665547 U CN 201920665547U CN 210273956 U CN210273956 U CN 210273956U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a novel anti-icing solar panel, including the solar panel body, its characterized in that: the light-absorbing surface of the solar panel body is provided with a carbon nano tube heating mechanism which can generate heat when electrified so as to prevent the light-absorbing surface of the solar panel body from freezing. The utility model aims at overcoming the weak point among the prior art, provide a simple structure, can effectively prevent the solar panel that freezes.
Description
Technical Field
The utility model relates to a solar panel field, concretely relates to novel anti-icing solar panel.
Background
At present, with the rapid development of economy, the rapid increase of power consumption and global energy shortage, green energy is favored, wherein solar energy is rapidly developed due to the availability of solar energy everywhere, but since the solar panel needs to be placed outdoors, in cold winter, especially in wet and cold weather in the south, the solar panel is easy to freeze on the surface, thereby affecting the photoelectric conversion efficiency, and even damaging the solar panel.
Therefore, the existing solar panel needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide a simple structure, can effectively prevent the solar panel that freezes.
In order to achieve the above purpose, the utility model adopts the following scheme:
the utility model provides a novel anti-icing solar panel, including the solar panel body, its characterized in that: the light-absorbing surface of the solar panel body is provided with a carbon nano tube heating mechanism which can generate heat when electrified so as to prevent the light-absorbing surface of the solar panel body from freezing.
As the utility model discloses another kind of improvement of anti-icing solar panel carbon nanotube generates heat and is equipped with protection printing opacity coating on the mechanism.
As the utility model discloses the further improvement of protection printing opacity coating, protection printing opacity coating is printing opacity hydrophobic coating or wear-resisting, corrosion-resistant printing opacity coating.
As the utility model discloses another kind of improvement of anti-icing solar panel, carbon nanotube heating mechanism is the carbon nanotube heater.
As the utility model discloses another kind of improvement of anti-icing solar panel, the carbon nanotube heater be many, many the carbon nanotube heater interval set up on the light-absorbing face of solar panel body, many the carbon nanotube heater establish ties or parallel connection.
As the utility model discloses another kind of improvement of anti-icing solar panel, the carbon nanotube heater be many, many the carbon nanotube heater crisscross formation generate the heating net, crisscross tie point switches on.
As another improvement of the anti-icing solar panel of the utility model, the carbon nanotube heating wire is one, one the carbon nanotube heating wire is arranged in a vortex shape or a circuitous bending shape.
As another improvement of the anti-icing solar panel, the diameter of the carbon nanotube heating wire is 0.01-1 mm.
As the utility model discloses another kind of improvement of anti-icing solar panel the solar panel body on be equipped with temperature-sensing ware, this internal controller and rectifier that is equipped with of solar panel, temperature-sensing ware is connected with the control electricity, the rectifier is connected with carbon nanotube heating mechanism, controller electricity respectively, the rectifier is connected with external power source through the wire.
As the utility model discloses another kind of improvement of anti-icing solar panel body aluminum alloy frame, be equipped with TPT layer, first EVA layer, battery piece, second EVA layer and toughened glass layer from bottom to top in proper order in aluminum alloy frame.
As the utility model discloses another kind of improvement of anti-icing solar panel, the carbon nanotube heater sets up in the slot between the battery piece.
To sum up, the utility model discloses for its beneficial effect of prior art is:
the utility model discloses simple structure through set up the carbon nanotube heater on the solar panel surface, can prevent effectively that the solar panel surface from freezing, guarantees photoelectric conversion efficiency, prevents that ice-cold weather from causing solar panel's damage because of freezing.
Secondly, the utility model discloses well carbon nanotube heater is nonmetal doping carbon nanotube electrocatalysis material, and its electrothermal conversion rate is more than 95%.
Three, the utility model discloses well protection printing opacity coating can be printing opacity hydrophobic coating or wear-resisting, corrosion-resistant printing opacity coating, and its luminousness is high, and is less to photoelectric conversion influence.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a rear plan view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view at B of FIG. 3;
fig. 5 is an exploded view of the present invention;
fig. 6 is a schematic diagram of a battery cell according to the present invention.
Detailed Description
The invention will be further described with reference to the drawings and embodiments in the detailed description below:
as shown in fig. 1-6, a novel anti-icing solar panel comprises a solar panel body 1, wherein a carbon nanotube heating mechanism 2 capable of heating when being powered on is arranged on a light-absorbing surface of the solar panel body 1 so as to prevent the light-absorbing surface of the solar panel body 1 from icing. The utility model discloses carbon nanotube generates heat 2 quality light, occupation area of mechanism is little, under the condition that does not influence solar energy body 1's photoelectric conversion effect, generates heat mechanism 2 circular telegrams through carbon nanotube and generates heat, effectively prevents to freeze under chilly weather, the wet cold weather in south very much, has effectively protected solar panel.
The utility model discloses in carbon nanotube generates heat and is equipped with protection printing opacity coating 3 on the mechanism. As an embodiment of the protective transparent coating 3, the protective transparent coating 3 may cover the surface of the solar panel body 1. As another embodiment of the protective transparent coating 3, the protective transparent coating 3 may cover only the surface of the solar panel body 1 opposite to the carbon nanotube heating mechanism 2.
The first embodiment of the protective transparent coating 3 in the present invention is a transparent hydrophobic coating. Wherein the light-transmitting hydrophobic coating can be prepared by any one of the following methods:
the preparation method comprises the following steps:
(1) 0.835g of epoxy resin E51, 0.084g of ethylene glycol diglycidyl ether and 0.418g of curing agent T31 are uniformly mixed, stirred for 15 minutes, then dipped by a blade to a certain amount and coated on a glass substrate, and the glass substrate is dried for 1 hour at room temperature, so that the glue solution starts to be cured.
(2) 12.4mL of tetraethyl orthosilicate was mixed with 97.2mL of absolute ethanol and stirred at 60 ℃ under reflux for 10min, followed by dropwise addition of a mixture of 7.8mL of ammonia and 1mL of deionized water and stirring was continued for 2 hours. Keeping the reflux stirring state at 60 ℃, dropwise adding 5.5mL of methyltriethoxysilane, continuing stirring for 1 hour, aging for 1 day, and then putting into a 60 ℃ oven for 2 days to volatilize the solvent, thus obtaining the nano silicon dioxide powder with the surface modified by hydrophobic property.
(3) And (2) placing 0.65g of silicon dioxide powder in 50mL of absolute ethyl alcohol, refluxing and stirring for 1 hour at 60 ℃, and then ultrasonically dispersing for 1 hour at normal temperature to obtain the super-hydrophobic silicon dioxide dispersion liquid.
(4) And (3) coating the silicon dioxide dispersion liquid prepared in the step (3) on the surface of the epoxy resin bonding layer in the step (1), drying at room temperature for 10 minutes, and coating again to obtain the epoxy resin bonding layer.
The second preparation method comprises the following steps:
(1) mixing 10ml of Si (OC2H5)4, 8.92ml of (CH3)2Si (OC2H5)3 and 50ml of absolute ethyl alcohol, and stirring for 15 min;
(2) mixing 54.3ml of absolute ethyl alcohol with 2.8ml of H2O and 0.045ml of 5.5N NH 3. H2O uniformly; (3) mixing the above (1) and (2); stirring for 30 min; (4) placing the obtained uniformly mixed solution in a closed container, and aging for 20 days at 60 ℃ to obtain a hybrid SiO2 sol coating solution; (5) the sol is dropped on a substrate rotating at high speed by adopting a spin coating method, and the sol is kept for 1min to obtain the hydrophobic anti-reflection SiO2 film meeting the requirement.
The preparation method comprises the following steps:
(1) preparation of coating sol:
dissolving 1.53g of aluminum isopropoxide in 20.4g of toluene, adding 0.75g of acetylacetone after complete dissolution, fully stirring for reaction, adding 0.54g of deionized water, and stirring for reaction to obtain coating sol;
(2) coating the surface of a substrate material:
immersing the glass sheet into the sol prepared in the step (1), slowly and uniformly extracting the glass sheet from the sol by using a pulling machine, wherein the pulling speed is 3mm/s, and standing the glass sheet at room temperature for later use after extraction;
(3) hydrophobic self-assembly surface modification process:
and (3) immersing the glass sheet coated in the step (2) into a n-alkyl-n-carbon tetrachloride (70/30, V/V) solution of 4mM tetrahydroperfluorodecyl trichlorosilane, carrying out self-assembly reaction lh, then washing with dichloromethane, and standing and drying in a 5(TC) oven to obtain the film.
The utility model discloses in the second implementation mode of protection printing opacity coating 3 is wear-resisting, corrosion-resistant printing opacity coating. Wherein the light-transmitting hydrophobic coating can be prepared by any one of the following methods:
the preparation method comprises the following steps:
45 parts of fluorocarbon resin, 15 parts of antifouling reinforcing filler, 65 parts of ethyl acetate, 15 parts of N-vinyl pyrrolidone, 8 parts of neopentyl glycol diglycidyl ether, 6 parts of paraffin oil and 2 parts of hyperdispersant. The antifouling reinforcing filler is hydrophobic fumed silica and transparent powder, and the mass ratio of the hydrophobic fumed silica to the transparent powder is 2: 9; the granularity of the transparent powder is 800-1200 meshes; the hyperdispersant is Disperbyk-163.
(1) Mixing the antifouling reinforcing filler, half volume of ethyl acetate and the hyper-dispersant, and performing ultrasonic dispersion treatment for 1.5 hours to obtain a mixed solution I;
(2) mixing fluorocarbon resin, half volume of ethyl acetate, N-vinyl pyrrolidone, neopentyl glycol diglycidyl ether and paraffin oil, heating to 50 ℃, preserving heat, and stirring at a low speed for 1.5 hours to obtain a mixed solution II;
(3) and (3) mixing the mixed liquid I obtained in the step (1) and the mixed liquid II obtained in the step (2), stirring at a high speed for 45min, grinding and filtering to obtain the compound.
The second preparation method comprises the following steps:
1) adding fatty alcohol-polyoxyethylene ether and triethanolamine into butanone, and emulsifying and dispersing for 10min at 10000rpm by an explosion-proof high-shear emulsifying machine to obtain a mixed solution;
2) slowly adding the nano-diamond powder with the average grain diameter of 20nm into the mixed solution obtained in the step 1) under the ultrasonic condition of 900W while keeping the high-shear emulsification and dispersion, and preventing the nano-diamond powder from precipitating at the bottom of the container; and after the nano diamond powder is completely added, continuously emulsifying and dispersing for 10min at the rotation speed of 10000rpm, and filtering impurities by using a filter with the aperture of 0.1 mu m to obtain filtrate, namely the wear-resistant additive. Wherein the wear-resistant additive comprises 20% of nano-diamond, 2% of fatty alcohol-polyoxyethylene ether, 1% of triethanolamine and the balance of butanone; the pH value of the wear-resistant additive is 7-9.
3) Adding the wear-resistant additive into the super-hydrophobic coating according to the mass ratio of the super-hydrophobic coating to the wear-resistant additive being 100:10, and uniformly stirring to obtain the wear-resistant coating. The super-hydrophobic coating is Asahi glass solvent type fluororesin LF200, the curing agent is isocyanate, and the mass ratio of the curing agent to the fluororesin is 1: 10. And (3) uniformly coating the super-hydrophobic wear-resistant coating on the surface of cleaned glass, and curing at room temperature for 7 days to obtain the super-hydrophobic wear-resistant coating.
The utility model discloses well printing opacity hydrophobic coating or wear-resisting, corrosion-resistant printing opacity coating all can make through current preparation method, above only give wherein several kinds of preparation methods, and is not limited to this. The utility model discloses well protection printing opacity coating has light transmittance, simultaneously can with carbon nanotube generate heat mechanism 2 cover parcel can on the solar panel surface.
The utility model discloses in carbon nanotube heating mechanism 2 is the carbon nanotube heater. As the preferred mode of the carbon nanotube heating wire of the utility model, the diameter thereof can be one of 0.01mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8 mm, 0.9mm and 1 mm. The smaller diameter is arranged behind the surface of the solar panel body 1, the area for shielding the solar panel body 1 is very small, and the photoelectric conversion of the solar panel is not substantially influenced.
The electric heat conversion rate of the medium carbon nanotube heating wire of the utility model reaches more than 95 percent. The heating effect is good, and the surface of the solar panel can be effectively prevented from being frozen.
As the utility model discloses an optimal layout mode of carbon nanotube heater, carbon nanotube heater be many, many the carbon nanotube heater interval set up on the light-absorbing face of solar panel body 1, many carbon nanotube heater establish ties or parallel connection.
As the utility model discloses another kind of preferred overall arrangement mode of carbon nanotube heater, carbon nanotube heater be many, many carbon nanotube heater crisscross formation become to send out the heat supply network, the crisscross tie point switches on.
As another preferred layout of the carbon nanotube heating wire of the present invention, the carbon nanotube heating wire is one, one the carbon nanotube heating wire is arranged in a spiral or meandering shape.
As a power supply control mode of the carbon nanotube heating wire of the utility model, the solar panel body 1 on be equipped with the temperature-sensing ware, be equipped with controller and rectifier in the solar panel body 1, the temperature-sensing ware is connected with the control electricity, the rectifier is connected with carbon nanotube heating mechanism 2, controller electricity respectively, the rectifier is connected with external power source through the wire. Wherein the temperature sensor, the controller and the rectifier are all commercially available products. The utility model provides a carbon nanotube heating mechanism 2 also can utilize the electric energy that solar panel electricity generation produced to supply power.
As one of the implementation modes of the solar panel, the solar panel body 1 is provided with the aluminum alloy frame 11, the aluminum alloy frame 11 is provided with the TPT layer 12, the first EVA layer 13, the battery piece 14, the second EVA layer 15 and the toughened glass layer 16 from bottom to top in sequence.
The utility model discloses in solar panel body 1 can also be the solar panel of other structures, for example thin film formula solar panel etc..
As one of the embodiments of the solar panel of the present invention, the carbon nanotube heating wire is disposed in the groove between the battery pieces. According to the embodiment, the carbon nanotube heating wire does not shield the battery piece, and the photoelectric conversion efficiency of the battery piece is effectively ensured.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a novel anti-icing solar panel, including solar panel body (1), its characterized in that: the solar panel comprises a solar panel body (1), and is characterized in that a carbon nano tube heating mechanism (2) capable of heating during electrification and preventing the icing of the light absorption surface of the solar panel body (1) is arranged on the light absorption surface of the solar panel body (1), and the carbon nano tube heating mechanism (2) is a carbon nano tube heating wire.
2. The novel anti-icing solar panel according to claim 1, characterized in that a protective transparent coating (3) is provided on the carbon nanotube heating mechanism.
3. A novel solar panel for ice protection according to claim 2, characterized in that the protective light-transmitting coating (3) is a light-transmitting hydrophobic coating or a wear-resistant, corrosion-resistant light-transmitting coating.
4. The novel anti-icing solar panel according to claim 1, wherein the carbon nanotube heating wires are a plurality of carbon nanotube heating wires, the plurality of carbon nanotube heating wires are arranged on the light absorption surface of the solar panel body (1) at intervals, and the plurality of carbon nanotube heating wires are connected in series or in parallel.
5. The novel anti-icing solar panel according to claim 1, wherein the number of the carbon nanotube heating wires is plural, the plural carbon nanotube heating wires are staggered to form a heating network, and the staggered connection points are connected.
6. The novel anti-icing solar panel according to claim 1, wherein the number of the carbon nanotube heating wires is one, and one of the carbon nanotube heating wires is arranged in a spiral shape or a winding and bending shape.
7. The novel anti-icing solar panel according to claim 1, wherein the diameter of the carbon nanotube heating wire is 0.01-1 mm.
8. The novel anti-icing solar panel according to claim 1, wherein a temperature sensor is disposed on the solar panel body (1), a controller and a rectifier are disposed in the solar panel body (1), the temperature sensor is electrically connected to the controller, the rectifier is electrically connected to the carbon nanotube heating mechanism (2) and the controller, and the rectifier is connected to an external power source through a wire.
9. The novel anti-icing solar panel according to claim 1, characterized in that the aluminum alloy frame (11) of the solar panel body (1) is provided with a TPT layer (12), a first EVA layer (13), a cell sheet (14), a second EVA layer (15) and a toughened glass layer (16) from bottom to top in the aluminum alloy frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665547.1U CN210273956U (en) | 2019-05-09 | 2019-05-09 | Novel anti-icing solar panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920665547.1U CN210273956U (en) | 2019-05-09 | 2019-05-09 | Novel anti-icing solar panel |
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| CN210273956U true CN210273956U (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299893A (en) * | 2019-05-09 | 2019-10-01 | 中山宝立得高分子材料有限公司 | A kind of anti-freeze solar panels |
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- 2019-05-09 CN CN201920665547.1U patent/CN210273956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299893A (en) * | 2019-05-09 | 2019-10-01 | 中山宝立得高分子材料有限公司 | A kind of anti-freeze solar panels |
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