CN116948437A - Preparation method of self-cleaning nano coating and photovoltaic spitting robot thereof - Google Patents
Preparation method of self-cleaning nano coating and photovoltaic spitting robot thereof Download PDFInfo
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- CN116948437A CN116948437A CN202310921657.0A CN202310921657A CN116948437A CN 116948437 A CN116948437 A CN 116948437A CN 202310921657 A CN202310921657 A CN 202310921657A CN 116948437 A CN116948437 A CN 116948437A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 52
- 239000002103 nanocoating Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 229910010413 TiO 2 Inorganic materials 0.000 claims abstract description 25
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 23
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 20
- 235000019441 ethanol Nutrition 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 101710134784 Agnoprotein Proteins 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 25
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
- 230000001066 destructive effect Effects 0.000 abstract description 6
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 6
- 238000011086 high cleaning Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 24
- 239000000428 dust Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
- B25J11/0075—Manipulators for painting or coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
Abstract
The application belongs to the technical field of nano coating preparation, in particular to a preparation method of a self-cleaning nano coating and a photovoltaic spitting robot thereof, aiming at the prior technical problems, the application provides the following scheme that the preparation method comprises the following steps: step one: ag doped nano TiO 2 Preparation of hydrosol: taking a clean beaker, pouring the B into the beakerAlcohol (analytically pure) solution, then adding butyl titanate (analytically pure) dropwise to the ethanol (analytically pure) solution; after the coating prepared by the application is activated by sunlight, the surface of the coating has hydrophobicity and can degrade organic pollutants, and meanwhile, ultraviolet rays destructive to a photovoltaic module can be absorbed, so that the self-cleaning of the photovoltaic glass plate is realized to a certain extent; meanwhile, the prepared TiO is prepared by a photovoltaic spraying robot 2 ‑SiO 2 The self-cleaning nano coating is uniformly sprayed on the photovoltaic glass, and can clean the photovoltaic glass plate, so that the problems of high cleaning difficulty, high cost and low efficiency of the photovoltaic module are effectively solved.
Description
Technical Field
The application relates to the technical field of nano coating preparation, in particular to a preparation method of a self-cleaning nano coating and a photovoltaic spitting robot thereof.
Background
As one of main products of clean energy, photovoltaic power plants are built and developed day by day, and photovoltaic power plants are built in the field, for example: in northwest areas of China, large and small photovoltaic power stations are built on deserts or partition beaches where people are rare, however, due to severe environments, sand grains, dust and the like are easy to deposit on the photovoltaic panels to reduce the light transmittance of the photovoltaic panels, the generated energy of the photovoltaic panels is reduced, severe hot spot effects are caused to cause permanent damage to the photovoltaic modules, and the problem is more remarkable and causes more economic losses in winter snowfall.
The photovoltaic glass plate does not normally have self-cleaning capability, so that the traditional cleaning mode mainly comprises manual cleaning and robot cleaning, irreversible damage can be caused to the photovoltaic plate by repeated scrubbing, the service life of the battery piece can be reduced by ultraviolet rays in sunlight, and the total power generation amount of the photovoltaic module is rapidly reduced along with time.
Disclosure of Invention
The application provides a preparation method of a self-cleaning nano coating and a photovoltaic spitting robot thereof, which solve the problem that the traditional cleaning mode provided in the background art can cause irreversible damage. In order to uniformly spray the self-cleaning nano coating on the photovoltaic glass, the application also provides a photovoltaic spraying robot.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a preparation method of a self-cleaning nano coating comprises the following steps:
step one: ag doped nano TiO 2 Preparation of hydrosol: taking a clean beaker, pouring an ethanol (analytically pure) solution into the beaker, then dripping butyl titanate (analytically pure) into the ethanol (analytically pure) solution, and stirring for 30-60min to obtain a solution A; another clean beaker is taken, ethanol (analytically pure) solution is poured into the beaker, then glacial acetic acid (analytically pure) is added, and rapid stirring is carried out for 10-30min, thus obtaining solution B; slowly adding the solution B into the solution A, stirring at constant temperature for 60min, and standing for 10-20min; obtaining nano TiO 2 A hydrosol; finally to nanometer TiO 2 AgNO is added into hydrosol 3 (analytically pure) to obtain Ag-doped nano TiO 2 A hydrosol;
step two: the SiO is 2 Preparation of hydrosol: taking a clean beaker, aPouring ethyl orthosilicate (analytically pure) and absolute ethyl alcohol (analytically pure) into the kettle, and uniformly stirring the mixture according to the mol ratio of the ethyl orthosilicate (analytically pure) to water of 1:16, adding distilled water slowly, adding hydrochloric acid (analytically pure) dropwise, stirring the mixture for 120min to obtain SiO 2 A hydrosol;
step three: tiO (titanium dioxide) 2 -SiO 2 Preparation of composite sol: nano TiO doped with Ag 2 SiO is added into hydrosol 2 The hydrosol is stirred for 120min at constant temperature to form uniform and transparent TiO 2 -SiO 2 Composite sol of SiO 2 The mole fraction of the hydrosol is not more than 50%.
Preferably, in the first step, the mole ratio of the ethanol to the butyl titanate is 1/4-1/2, the ethanol is used as a coupling agent, and the butyl titanate is used for preparing TiO 2 Raw materials of sol.
Preferably, in the first step, the molar ratio of the doped Ag ions to the Ti ions is 5% -15%.
Preferably, in the first step and the second step, nano TiO is used as a material for the first and second steps 2 And nano SiO 2 The particle size of the particles is not more than 100nm.
Preferably, the first step and the second step can be exchanged in preparation sequence.
Preferably, the photovoltaic spraying robot includes: the photovoltaic spraying robot comprises a control module, a spraying device, a power supply device, a negative pressure adsorption mechanism, a crawler chassis and a cleaning device, wherein the photovoltaic spraying robot is arranged on a photovoltaic module.
Preferably, before the spraying device sprays the self-cleaning nano coating to the photovoltaic module, the photovoltaic module is cleaned by a cleaning device.
The self-cleaning nano coating prepared by the application is sprayed on a photovoltaic glass plate through a photovoltaic spraying robot, and then after the coating on the photovoltaic glass plate is activated by sunlight, the surface of the coating has hydrophobicity and can degrade organic pollutants, and ultraviolet rays destructive to a photovoltaic module can be absorbed at the same time; the damage of ultraviolet rays to the photovoltaic module is reduced, the service life of the photovoltaic glass plate can be prolonged, and the economic cost is reduced.
Meanwhile, the prepared coating solution can be sprayed on the photovoltaic glass plate by the photovoltaic spraying robot, the photovoltaic spraying plate can be cleaned before spraying, the photovoltaic glass plate can be cleaned before spraying the coating, the coating can be uniformly sprayed on the photovoltaic glass plate, the photovoltaic glass plate with the oil coating can be cleaned after spraying is finished, the cleaning efficiency is high, water resources can be saved, the cleaning cost is reduced, and the photovoltaic glass plate can be in a good working state.
Drawings
Fig. 1 is a flow chart of a method for preparing a self-cleaning nano-coating according to the present application.
Fig. 2 is a schematic diagram of a method for preparing a self-cleaning nano-coating according to the present application.
Reference numerals in the drawings: 100. an anhydrous cleaning robot; 101. a control module; 102. a spraying device; 103. a power supply device; 104. a negative pressure adsorption mechanism 104; 105. a crawler chassis; 106. a cleaning device; 200. a photovoltaic module.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Referring to fig. 1-2, a preparation method of a self-cleaning nano coating and a photovoltaic spitting robot thereof, the preparation method comprises the following steps:
step one: ag doped nano TiO 2 Preparation of hydrosol: taking a clean beaker, pouring an ethanol analytical pure solution into the beaker, then dripping butyl titanate analytical pure into the ethanol analytical pure solution, and stirring for 30-60min to obtain a solution A; another clean beaker is taken, an ethanol analytical pure solution is poured into the beaker, then glacial acetic acid analytical pure is added, and rapid stirring is carried out for 10-30min, so as to obtain a solution B; slowly adding the solution B into the solution A, stirring at constant temperature for 60min, and standing for 10-20min; obtaining nano TiO 2 A hydrosol; finally to nanometer TiO 2 AgNO is added into hydrosol 3 Analytically pure to obtain Ag doped nano TiO 2 A hydrosol;
step two: siO (SiO) 2 Preparation of hydrosol: taking a clean beaker, pouring ethyl orthosilicate analytically pure and absolute ethyl alcohol analytically pure at one time, and uniformly stirring, wherein the molar ratio of the ethyl orthosilicate analytically pure to water is 1: adding distilled water slowly in an amount of 16, dripping hydrochloric acid analytically pure, stirring the mixed solution for 120min to obtain SiO 2 A hydrosol;
step three: tiO (titanium dioxide) 2 -SiO 2 Preparation of composite sol: nano TiO doped with Ag 2 SiO is added into hydrosol 2 The hydrosol is stirred for 120min at constant temperature to form uniform and transparent TiO 2 -SiO 2 Composite sol, siO 2 The mole fraction of the hydrosol is not more than 50%; the prepared coating is sprayed on a photovoltaic glass plate, and after the coating on the photovoltaic glass plate is activated by sunlight, the surface of the coating has hydrophobicity and can degrade organic pollutants, and ultraviolet rays which are destructive to a photovoltaic module can be absorbed at the same time; the damage of ultraviolet rays to the photovoltaic module is reduced, the service life of the photovoltaic glass plate can be prolonged, and the economic cost is reduced.
In this embodiment: in the first step, the mole ratio of the ethanol to the butyl titanate is 1/4-1/2, the ethanol is used as a coupling agent, and the butyl titanate is used for preparing TiO 2 Raw materials of sol.
In this embodiment: in the first step, the mol ratio of doped Ag ions to Ti ions is 5-15%;
in this embodiment: in the first step and the second step, nano TiO 2 And nano SiO 2 The particle size of the particles is not more than 100nm.
In this embodiment: the first step can exchange the preparation sequence with the second step;
in this embodiment: the photovoltaic spray robot 100 includes: the photovoltaic spraying robot 100 is placed on the photovoltaic module 200, wherein the control module 101, the spraying device 102, the power supply device 103, the negative pressure adsorption mechanism 104, the crawler chassis 105 and the cleaning device 106 are arranged on the photovoltaic module; will prepareThe self-cleaning nano coating is dissolved in a spraying device 102 in the photovoltaic spraying robot 100, then under the action of high friction force of a crawler chassis 105 and the auxiliary adsorption of a negative pressure adsorption mechanism 104, the photovoltaic spraying robot 100 can stably and safely move on a photovoltaic panel with a 30-degree dip angle, a control module 101 is used for controlling the moving route and the moving state of the crawler chassis 105, the electric quantity use and detection of a power supply device and the working modes of a cleaning device 106, the spraying device 102 and the negative pressure adsorption mechanism 104, before the self-cleaning nano coating is sprayed, a dust sensor arranged on the cleaning device 106 firstly detects the dust deposit quantity on the photovoltaic glass panel, and when the dust deposit quantity is more than or equal to 3mg/cm 2 When the photovoltaic spraying robot 100 starts the cleaning device 106 to clean the photovoltaic module; when the ash deposition amount is less than 3mg/cm 2 When the photovoltaic spraying robot 100 starts the spraying device 102 to prepare the TiO according to the application 2 -SiO 2 The self-cleaning nano coating is uniformly sprayed on the photovoltaic glass, and after sunlight is activated, the surface of the coating sprayed on the photovoltaic glass has hydrophobicity and can degrade organic pollutants, and ultraviolet rays destructive to the photovoltaic module can be absorbed at the same time, so that the service life of the photovoltaic module is prolonged, and the economic cost is reduced.
In this embodiment: the liquid sprayed by the spraying device 102 to the photovoltaic module is TiO according to claims 1-5 2 -SiO 2 Self-cleaning the nano-coating; tiO (titanium dioxide) 2 -SiO 2 The self-cleaning nano-coating can protect the photovoltaic module 200, and after sunlight activation, the surface of the coating has hydrophobicity and can degrade organic pollutants, and ultraviolet rays destructive to the photovoltaic module can be absorbed.
In this embodiment: before the spraying device 102 sprays the self-cleaning nano coating to the photovoltaic module, the cleaning device 106 is used for cleaning the photovoltaic module 200; the cleaning device 106 is used for cleaning the photovoltaic module 200 so as to keep the surface of the photovoltaic glass clean, so that the nano coating solution can be sprayed on the photovoltaic glass more uniformly, and the solution can be adsorbed on the photovoltaic glass better.
Working principle: first to selfCleaning the nano coating for preparation, and in the first step: ag doped nano TiO 2 Preparation of hydrosol: taking a clean beaker, pouring an ethanol analytical pure solution into the beaker, then dripping butyl titanate analytical pure into the ethanol analytical pure solution, and stirring for 30-60min to obtain a solution A; another clean beaker is taken, an ethanol analytical pure solution is poured into the beaker, then glacial acetic acid analytical pure is added, and rapid stirring is carried out for 10-30min, so as to obtain a solution B; slowly adding the solution B into the solution A, stirring at constant temperature for 60min, and standing for 10-20min; obtaining nano TiO 2 A hydrosol; finally to nanometer TiO 2 AgNO is added into hydrosol 3 Analytically pure to obtain Ag doped nano TiO 2 A hydrosol;
and a second step of: siO (SiO) 2 Preparation of hydrosol: taking a clean beaker, pouring ethyl orthosilicate analytically pure and absolute ethyl alcohol analytically pure at one time, and uniformly stirring, wherein the molar ratio of the ethyl orthosilicate analytically pure to water is 1: adding distilled water slowly in an amount of 16, dripping hydrochloric acid analytically pure, stirring the mixed solution for 120min to obtain SiO 2 A hydrosol;
and a third step of: tiO (titanium dioxide) 2 -SiO 2 Preparation of composite sol: nano TiO doped with Ag 2 SiO is added into hydrosol 2 The hydrosol is stirred for 120min at constant temperature to form uniform and transparent TiO 2 -SiO 2 Composite sol, siO 2 The mole fraction of the hydrosol is not more than 50%;
then the prepared self-cleaning nano coating is dissolved and glued into a spraying device 102 in the photovoltaic spraying robot 100, then the photovoltaic spraying robot 100 can stably and safely move on a photovoltaic panel with a 30-degree dip angle under the action of high friction force of a crawler chassis 105 and the auxiliary adsorption of a negative pressure adsorption mechanism 104, a control module 101 is used for controlling the moving route and the moving state of the crawler chassis 105, the electric quantity use and detection of a power supply device and the working modes of a cleaning device 106, the spraying device 102 and the negative pressure adsorption mechanism 104, before the self-cleaning nano coating is sprayed, a dust sensor arranged on the cleaning device 106 firstly detects the dust deposit quantity on the photovoltaic glass panel, and when the dust deposit quantity is more than or equal to 3mg/cm 2 In this case, the photovoltaic spraying robot 100 starts the cleaning device first106 cleaning the photovoltaic module; when the ash deposition amount is less than 3mg/cm 2 When the photovoltaic spraying robot 100 starts the spraying device 102 to prepare the TiO according to the application 2 -SiO 2 The self-cleaning nano coating is uniformly sprayed on the photovoltaic glass, and after sunlight is activated, the surface of the coating sprayed on the photovoltaic glass has hydrophobicity and can degrade organic pollutants, and ultraviolet rays destructive to the photovoltaic module can be absorbed at the same time, so that the service life of the photovoltaic module is prolonged, and the economic cost is reduced.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (8)
1. A method for preparing a self-cleaning nano-coating, which is characterized by comprising the following steps:
step one: ag doped nano TiO 2 Preparation of hydrosol: taking a clean beaker, pouring an ethanol (analytically pure) solution into the beaker, then dripping butyl titanate (analytically pure) into the ethanol (analytically pure) solution, and stirring for 30-60min to obtain a solution A; another clean beaker is taken, ethanol (analytically pure) solution is poured into the beaker, then glacial acetic acid (analytically pure) is added, and rapid stirring is carried out for 10-30min, thus obtaining solution B; slowly adding the solution B into the solution A, stirring at constant temperature for 60min, and standing for 10-20min; obtaining nano TiO 2 A hydrosol; finally to nanometer TiO 2 AgNO is added into hydrosol 3 (analytically pure) to obtain Ag-doped nano TiO 2 A hydrosol;
step two: the SiO is 2 Preparation of hydrosol: taking a clean beaker, pouring tetraethyl orthosilicate (analytically pure) and absolute ethyl alcohol (analytically pure) into the clean beaker at one time, and uniformly stirring the mixture according to the molar ratio of the tetraethyl orthosilicate (analytically pure) to water of 1:16, adding distilled water slowly, adding hydrochloric acid (analytically pure) dropwise, stirring the mixture for 120min to obtain SiO 2 A hydrosol;
step three: tiO (titanium dioxide) 2 -SiO 2 Preparation of composite sol: nano TiO doped with Ag 2 SiO is added into hydrosol 2 The hydrosol is stirred for 120min at constant temperature to form uniform and transparent TiO 2 -SiO 2 Composite sol of SiO 2 The mole fraction of the hydrosol is not more than 50%.
2. The method for preparing self-cleaning nano-coating according to claim 1, wherein in the first step, the mole ratio of ethanol to butyl titanate is 1/4-1/2, the ethanol is used as a coupling agent, and the butyl titanate is used for preparing TiO 2 Raw materials of sol.
3. The method of claim 1, wherein in the first step, the molar ratio of the doped Ag ions to Ti ions is 5% -15%.
4. The method of claim 1, wherein the nano-TiO is used in the first and second steps 2 And nano SiO 2 The particle size of (2) is not more than 100nm.
5. The method of claim 1, wherein the first step and the second step are interchangeable in the preparation sequence.
6. A photovoltaic spray robot, characterized in that the photovoltaic spray robot (100) comprises: the photovoltaic spraying robot comprises a control module (101), a spraying device (102), a power supply device (103), a negative pressure adsorption mechanism (104), a crawler chassis (105) and a cleaning device (106), wherein the photovoltaic spraying robot (100) is arranged on a photovoltaic module (200).
7. The photovoltaic spray robot according to claim 6, characterized in that the liquid sprayed by the spray device (102) to the photovoltaic module is the TiO according to claims 1-5 2 -SiO 2 Self-cleaning nano-coating.
8. The photovoltaic spray robot of claim 6, wherein the spray device (102) cleans the photovoltaic module (200) with the cleaning device (106) before spraying the self-cleaning nano-coating onto the photovoltaic module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310921657.0A CN116948437A (en) | 2023-07-26 | 2023-07-26 | Preparation method of self-cleaning nano coating and photovoltaic spitting robot thereof |
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| CN202310921657.0A CN116948437A (en) | 2023-07-26 | 2023-07-26 | Preparation method of self-cleaning nano coating and photovoltaic spitting robot thereof |
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| CN116948437A true CN116948437A (en) | 2023-10-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100062032A1 (en) * | 2008-09-09 | 2010-03-11 | Guardian Industries Corp. | Doped Titanium Dioxide Coatings and Methods of Forming Doped Titanium Dioxide Coatings |
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| CN104310793A (en) * | 2014-10-18 | 2015-01-28 | 中山市创科科研技术服务有限公司 | Silver-doped titanium dioxide nano film glass and preparation method thereof |
| US20210324573A1 (en) * | 2018-04-23 | 2021-10-21 | Feng Liu | Self-cleaning coating, self-cleaning fiber, self-cleaning carpet and uses thereof |
| CN115121426A (en) * | 2022-07-28 | 2022-09-30 | 广东若铂智能机器人有限公司 | Solar photovoltaic panel cleaning and spraying robot |
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| US20100062032A1 (en) * | 2008-09-09 | 2010-03-11 | Guardian Industries Corp. | Doped Titanium Dioxide Coatings and Methods of Forming Doped Titanium Dioxide Coatings |
| CN102382490A (en) * | 2011-08-30 | 2012-03-21 | 西北永新集团有限公司 | Preparation method and use of hydrophilic automatically-cleaning coating with photocatalytic activity |
| CN104310793A (en) * | 2014-10-18 | 2015-01-28 | 中山市创科科研技术服务有限公司 | Silver-doped titanium dioxide nano film glass and preparation method thereof |
| US20210324573A1 (en) * | 2018-04-23 | 2021-10-21 | Feng Liu | Self-cleaning coating, self-cleaning fiber, self-cleaning carpet and uses thereof |
| CN115121426A (en) * | 2022-07-28 | 2022-09-30 | 广东若铂智能机器人有限公司 | Solar photovoltaic panel cleaning and spraying robot |
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