CN207862199U - Self-cleaning glass, automatically cleaning camera lens and picture pick-up device - Google Patents
Self-cleaning glass, automatically cleaning camera lens and picture pick-up device Download PDFInfo
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- CN207862199U CN207862199U CN201820251759.0U CN201820251759U CN207862199U CN 207862199 U CN207862199 U CN 207862199U CN 201820251759 U CN201820251759 U CN 201820251759U CN 207862199 U CN207862199 U CN 207862199U
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Abstract
The utility model discloses a kind of self-cleaning glass, automatically cleaning camera lens and picture pick-up device, the self-cleaning glass includes：Glass body and the micron concave-convex structure layer on the glass body and the low-surface-energy layer in concave-convex structure layer, the concave-convex structure layer is formed by hydrophilic nano titanium dioxide, and the low-surface-energy layer includes 17 fluorine ruthenium trimethoxysilanes.The technical solution of the utility model can obtain super-hydrophobic automatic cleaning glass of the contact angle of light transmittance height and water at 150 ° 165 °.
Description
Technical field
The utility model is related to glass manufacturing areas, in particular to a kind of self-cleaning glass, automatically cleaning camera lens and take the photograph
As equipment.
Background technology
In outdoor publics such as road, the cells in city, it has been covered with for the various each of traffic monitoring, security monitoring etc.
The monitoring camera of sample, monitoring camera are externally exposed environment for a long time, and dust, haze are seriously polluted in city, it is easy to accumulation ash
Dirt reduces monitoring effect to influence the visibility of camera lens.If these a pair of camera lenses manually cleaned it is time-consuming and laborious,
Greatly increase job costs.
In addition, monitoring camera is also frequently utilized for the research work in field, it is also inevitable in the case of long-time use
Meeting accumulate many dusts, due to being in wilderness field, not only cleaning is inconvenient, cleans cost higher.
In addition, the high-rise building in city is more and more, the windowpane of exterior wall is externally exposed environment for a long time, also holds very much
Easily accumulation dust, is not only difficult to clean, and cleaning is also abnormally dangerous.
Therefore, there is an urgent need to self-cleaning glass of good performance and camera lens.However, existing self-cleaning glass and mirror
Or head automatical cleaning ability is insufficient or light transmittance is insufficient or keeps self-cleaning scarce capacity for a long time.
Utility model content
The utility model aim is to propose a kind of new self-cleaning glass, automatically cleaning camera lens and picture pick-up device.
One embodiment of the utility model provides a kind of self-cleaning glass, including：
Glass body and micron concave-convex structure layer on the glass body and low in concave-convex structure layer
Surface energy layer, the concave-convex structure layer are formed by hydrophilic nano titanium dioxide, and the low-surface-energy layer includes 17 fluorine
Ruthenium trimethoxysilane.
In above-mentioned self-cleaning glass, the thickness of the micron concave-convex structure layer is 1-8 μm, the low-surface-energy layer
Thickness is 50-200nm.
In above-mentioned self-cleaning glass, the grain size of the hydrophilic nano titanium dioxide is 2-20nm.
In above-mentioned self-cleaning glass, the hydrophilic nano titanium dioxide is JR05 titanium dioxide.
In above-mentioned self-cleaning glass, the low-surface-energy layer further includes stearic acid.
Another embodiment of the utility model provides a kind of automatically cleaning camera lens, and the automatically cleaning camera lens is with above-mentioned oneself
Cleaning glass is made.
Another embodiment of the utility model provides a kind of picture pick-up device, including automatically cleaning camera lens, the automatically cleaning
Camera lens includes：Glass lens ontology and micron concave-convex structure layer on the glass lens ontology and it is located at concaveconvex structure
Low-surface-energy layer on layer, the concave-convex structure layer are formed by hydrophilic nano titanium dioxide, and the low-surface-energy layer packet
Include 17 fluorine ruthenium trimethoxysilanes.
In above-mentioned picture pick-up device, the thickness of the micron concave-convex structure layer is 1-8 μm, the thickness of the low-surface-energy layer
Degree is 50-200nm.
In above-mentioned picture pick-up device, the grain size of the hydrophilic nano titanium dioxide is 2-20nm.
In above-mentioned picture pick-up device, the hydrophilic nano titanium dioxide is JR05 titanium dioxide.
The self-cleaning glass and camera lens of the utility model are the super-hydrophobic glass and mirror of the high transmittance with double-layer structure
Head, self-cleaning glass and the contact angle of camera lens surface and water can be 150 ° of -165 ° of ranges, the visible light of self-cleaning glass and camera lens
Transmitance is 80% or more, and superhydrophobic property can keep stable for a long time.
Description of the drawings
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore is not construed as
Restriction to scope of protection of the utility model.
Fig. 1 shows the schematic diagram of the self-cleaning glass of the utility model one embodiment.
Fig. 2 shows the test charts of the self-cleaning glass of the utility model one embodiment and the contact angle of water.
Fig. 3 shows the light transmission rate curve of the self-cleaning glass of the utility model one embodiment.
Fig. 4 shows the SEM photograph of the automatically cleaning camera lens of the utility model one embodiment.
Main element symbol description：
110- glass bodies；120- microns of concave-convex structure layers；130- low-surface-energy layers.
Specific implementation mode
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.
The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to below
The claimed the scope of the utility model of limitation, but it is merely representative of the selected embodiment of the utility model.Based on this practicality
Novel embodiment, the every other implementation that those skilled in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Hereinafter, the term " comprising " that can be used in the various embodiments of the utility model, " having " and its homologous
Word is meant only to indicate special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to
Exclude first one or more other features, number, step, operation, the combination of element, component or aforementioned item presence or increasing
Add one or more features, number, step, the possibility of operation, the combination of element, component or aforementioned item.
In the various embodiments of the utility model, statement " A or/and B " includes any combinations of the word listed file names with
Or all combinations, it may include A, may include B or may include A and B both.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", " transverse direction ", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection, can also be the connection inside two elements, Ke Yishi
It is connected directly, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can be according to specific
Situation understands the concrete meaning of above-mentioned term.Unless otherwise defined, otherwise all terms used herein (including technical term
With scientific terminology) with identical as the various normally understood meanings of embodiment one skilled in the art of the utility model
Meaning.The term (term such as limited in the dictionary generally used) is to be interpreted as having and be led in the relevant technologies
The identical meaning of situational meaning in domain and the meaning that Utopian meaning or too formal will be interpreted as having, unless
It is clearly defined in the various embodiments of the utility model.
The schematic diagram of the self-cleaning glass of the utility model one embodiment is given in Fig. 1.The automatically cleaning of Fig. 1
Glass includes glass body 110 and micron concave-convex structure layer 120 on the glass body 110 and concave-convex positioned at micron
Low-surface-energy layer 130 on structure sheaf 120.
The thickness of micron concave-convex structure layer 120 is preferably 1-8 μm, such as 2,3,4,5,6 or 7 μm, preferably 3-6 microns.
When micron concaveconvex structure 120 is blocked up, increase spraying process, increases production cost, and the light transmittance of visible light can be reduced.It is described
The thickness of low-surface-energy layer is preferably 50-200nm, for example, 55nm, 60nm, 70nm, 80nm, 100nm, 120nm, 150nm or
180nm。
Micron concave-convex structure layer 120 can be formed by hydrophilic nanoparticles, such as preferably by 2-20nm hydrophilic nanos
Titanium dioxide is formed.Hydrophilic nanoparticles are easy to be attached to glass surface, and it is recessed can to form micron by methods described below
Male structure layer 120.Hydrophilic nano titanium dioxide is more preferably JR05 titanium dioxide.
The low-surface-energy layer 130 formed in micron concave-convex structure layer 120 can be by 17 fluorine ruthenium trimethoxysilanes
It is formed, but is more preferably formed by 17 fluorine ruthenium trimethoxysilanes and stearic acid.Low-surface-energy layer 130 is very thin, and edge
The fluctuating for micron concave-convex structure layer 120 is formed.
Due to foring micron-sized concaveconvex structure on glass body 110, it has been covered on self-cleaning glass micron-sized
Protrusion, moreover, being also covered with relatively smaller protrusion in each protrusion.In addition, being formd in micron concave-convex structure layer 120
The low-surface-energy layer to rise and fall with concaveconvex structure.The self-cleaning glass of the utility model has superpower hydrophobicity, automatically cleaning as a result,
The contact angle of glass surface and water may be up to 165 °.There is automatically cleaning energy using super-hydrophobic camera lens made of above-mentioned self-cleaning glass
Power, after dust is adhered on camera lens, it is easy to be taken away by water droplet.
The SEM figures of the automatically cleaning camera lens of the utility model one embodiment are shown in FIG. 4.SEM figures in Fig. 4 be from
The photo of the 45 ° of directions in the oblique upper shooting of automatically cleaning camera lens.It can be seen from the figure that in the left side of Fig. 4 is divided into two in glass lens
Layer, the SEM electromicroscopic photographs of micron relief structured surface are shown, from the photo it can also be seen that automatically cleaning camera lens in the figure on right side
On the protrusion that has been covered with less than equal about 5 microns thus formed moreover, being also covered with relatively smaller protrusion in each protrusion
Hydrophobic structure.
Another embodiment of the utility model provides a kind of picture pick-up device comprising above-mentioned automatically cleaning camera lens.This
The automatically cleaning camera lens of utility model can be used for various picture pick-up devices.For example, can be used for the traffic picture pick-up device of road, it is used for
The picture pick-up device of field scientific research.Common monitoring camera is exposed to outdoor environment for a long time, is easy to be polluted by dust, haze tight
Weight, it is easy to accumulate dust, to influence the visibility of camera lens, reduce monitoring effect.If these a pair of camera lenses are into pedestrian
Work cleaning is time-consuming and laborious, greatly increases job costs.And camera lens made of the self-cleaning glass of the utility model is utilized, due to mirror
Head is not easy adhering dust in itself, moreover, the dust of adherency thereon is also easy to be taken away by rainwater.
The self-cleaning glass of the utility model can be formed by the following method：By the aqueous solution of hydrophilic nano titanium dioxide
It is sprayed on formation micron concave-convex structure layer on glass body surface.The aqueous isopropanol of 17 fluorine ruthenium trimethoxysilanes is sprayed
Drying forms low-surface-energy layer after being coated onto in the micron concave-convex structure layer.
In the present invention, the formation of micron concave-convex structure layer and low-surface-energy layer is all made of spray coating method, without adopting
Use dipping method.The thickness of concaveconvex structure is easy to control using spray coating method, in addition, after forming concaveconvex structure, in concavo-convex portion
There is bubble due to capillary phenomenon, when forming low-surface-energy layer using infusion process, when needing to impregnate very long in the solution
Between, it is fast to can not show a candle to spray coating method, and thorough impregnation in the solution when, low-surface-energy layer is difficult the corresponding concave-convex knot of abundant covering
Structure may cause hydrophobicity insufficient.
It is preferable to use JR05 titanium dioxide for hydrophilic nano titanium dioxide, can preferably be attached to glass body table
Face.
In addition, for spraying to the 17 fluorine decyl trimethoxies for being used to form low-surface-energy layer in micron concave-convex structure layer
The solution concentration of the aqueous isopropanol of silane can be 0.5-4wt%, preferably 1-2wt%.In addition, further preferably being wrapped in the solution
Stearic acid is included, 0.5-4g stearic acid can be added in the above-mentioned aqueous isopropanols of every 100g, be preferably added to 1-2g stearic acid.
The thickness of the micron concave-convex structure layer is 1-8 μm, and preferably its thickness is 2-5 μm, the thickness of the low-surface-energy layer
Degree is 50-200nm.
In the method for above-mentioned manufacture self-cleaning glass, before forming the micron concave-convex structure layer, preferably to glass
Glass body surface is cleaned, for example, alcohols solvent and esters solvent alternately cleaning glass body surface can first be used, then with pair
The mixed solution of oxygen water and the concentrated sulfuric acid starts the cleaning processing glass body surface, is then rinsed with deionized water, finally in ammonia
It is dry in gas atmosphere.
The alcohols solvent can be ethyl alcohol and/or ethylene glycol.Esters solvent can be ethyl acetate, Ethyl formate, second
It is one or more, it is preferable to use ethyl acetate in sour methyl esters.The ratio of hydrogen peroxide and the concentrated sulfuric acid is preferred in the mixed solution
It is 1:3-1:5.Alternately cleaning glass body surface 2-6 times of alcohols solvent and esters solvent can be used, it is preferably 3-5 times, clear every time
It washes 2-8 minutes, preferably 3-6 minutes.
Embodiment 1
First, with alternately cleaning glass body surface 3 times of absolute ethyl alcohol and ethyl acetate, the time cleaned every time is 5 points
Clock.
Then, with mass ratio 1:4 hydrogen peroxide and the mixed solution of the concentrated sulfuric acid start the cleaning processing glass body surface,
Then cleaning 5 minutes is rinsed 5 times with deionized water, then dry 2 hours in ammonia atmosphere.
The JR05 titanium dioxide of the 5nm of certain mass is taken to be dispersed in the water of certain mass again, it is abundant with magnetic stirring apparatus
1 hour is stirred, the nanometer titanium dioxide titanium solution of a concentration of 0.5wt% concentration is formed.
With such as RH-BP types airbrush, bore 0.2mm, air pressure 2bar, material spray output 12ml/min are adjusted, is uniformly caused
Thickly by the nano-titanium dioxide solution spraying configured on glass body surface, control spray distance can be 5mm, then quiet
It sets, it is 2 hours dry.Spraying process is repeated, amounts to 5 times, a micron concaveconvex structure is consequently formed.
17 fluorine ruthenium trimethoxysilanes are dissolved in isopropanol, 1% solution is formed, are added in every 100g solution
The stearic acid of 1g dissolves.
With such as RH-BP types airbrush, bore 0.2mm, air pressure 1bar, material spray output 12ml/min are adjusted, is uniformly caused
It is close by 17 fluorine ruthenium trimethoxysilanes and stearic solution spraying on the concaveconvex structure on glass body surface, control
Spray distance 20mm, is then allowed to stand, 1 hour dry, just obtains transparent super-hydrophobic automatic cleaning glass.
The wetability of the super-hydrophobic automatic cleaning glass is measured with engaged test instrument, the results are shown in Figure 2, the contact angle with water
It is 160 °.The visible light transmittance of self-cleaning glass is tested using optical transmittance measuring instrument, as shown in figure 3, being 87% or more.
Embodiment 2
Difference from example 1 is that 17 fluorine ruthenium trimethoxysilanes are dissolved in isopropanol, formed
The stearic acid dissolving of 2g is often added in 2% solution in 100g solution.Finally measuring with water contact angle is 165 °, it is seen that light
Transmitance be 85% or more.
Embodiment 3
Difference from example 1 is that forming the nanometer titanium dioxide titanium solution of a concentration of 2.0wt% concentration.Finally
Measuring with water contact angle is 161 °, it is seen that the transmitance of light is 85% or more.
Embodiment 4
Difference from example 1 is that being added without in the aqueous isopropanol of 17 fluorine ruthenium trimethoxysilanes
Stearic acid.Finally measuring with water contact angle is 152 °, it is seen that the transmitance of light is 85% or more.Without using stearic
In the case of, contact angle is greatly reduced, it can be seen that, while being had centainly using 17 fluorine ruthenium trimethoxysilanes and stearic acid
Synergistic effect, can be significantly increased hydrophobicity.
Embodiment 5
Difference from example 1 is that hydrophilic nano titanium dioxide is prepared using sol-gal process.In ice-water bath
And under stirring condition, titanium tetrachloride is added drop-wise in water and obtains titanium tetrachloride aqueous solution, titanium tetrachloride aqueous solution is added drop-wise to ammonia
In water, white opacity liquid is obtained, filters white opacity liquid to obtain white precipitate, 6~8 times is washed repeatedly with deionized water and obtains
Positive metatitanic acid；The positive metatitanic acid for weighing certain mass, is configured to dilute slurry, so with the deionized water of certain volume under stiring
30% hydrogen peroxide of certain volume is added drop-wise in dilute slurry and is made it dissolve afterwards, then stirs 4-7 under 95 DEG C of water-baths
Hour, faint yellow clear titania hydrosol is obtained, after being dried at room temperature for, calcination in Muffle furnace is put into and obtains
Hydrophilic nano titanium dioxide.It can be 300-650 DEG C that temperature is managed in calcination, preferably 450-550 DEG C, 450 in this embodiment
Calcination obtains the titanium dioxide of 15nm at DEG C.Finally measuring with water contact angle is 156 °.
Embodiment 6
The difference is that, calcination obtains the titanium dioxide of 19nm at 550 DEG C in this embodiment with embodiment 4.Most
Measuring eventually with water contact angle is 150 °.
Comparative example 1
Difference from example 1 is that using the silica of 5nm.It is finally measuring to be with water contact angle
140°。
Comparative example 2
Difference from example 1 is that using 17 fluorine trimethoxy Ethoxysilanes and stearic isopropanol
Solution.Finally measuring with water contact angle is 135 °.
Comparative example 3
Difference from example 1 is that molten using 17 fluorine trimethoxy Ethoxysilanes and stearic ethyl alcohol
Liquid.Finally measuring with water contact angle is 142 °.
In addition, inventor to above example 1-6 to have carried out super-hydrophobic stability test, embodiment 1-6 is in temperature model
It encloses to be placed 1 year in -20 DEG C, 25 DEG C and 50 DEG C, the environment of relative humidity 10%, 50%, 75% and 95%, super-hydrophobicity
Matter does not all change.
The super-hydrophobic glass and the contact angle of camera lens surface and water of the utility model are 150 ° -165 °, visible light-transmissive
80% or more rate, and the super-hydrophobic glass of the utility model and the manufacturing process of camera lens are simple, of low cost.In addition, this reality
Stablized with the superhydrophobic property on novel super-hydrophobic glass and camera lens surface, is -20 DEG C -50 DEG C, relative humidity in temperature range
To be placed 1 year in the environment of 10%-95%, superhydrophobic property does not change.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of self-cleaning glass, which is characterized in that including：Glass body and the micron bumps on the glass body
Structure sheaf and the low-surface-energy layer in concave-convex structure layer, the concave-convex structure layer are formed by hydrophilic nano titanium dioxide,
And the low-surface-energy layer includes 17 fluorine ruthenium trimethoxysilanes.
2. self-cleaning glass according to claim 1, which is characterized in that the thickness of the micron concave-convex structure layer is 1-8 μ
The thickness of m, the low-surface-energy layer are 50-200nm.
3. self-cleaning glass according to claim 1, which is characterized in that the grain size of the hydrophilic nano titanium dioxide is
2-20nm。
4. self-cleaning glass according to claim 1, which is characterized in that the hydrophilic nano titanium dioxide is JR05 bis-
Titanium oxide.
5. self-cleaning glass according to claim 1, which is characterized in that the low-surface-energy layer further includes stearic acid.
6. a kind of automatically cleaning camera lens, which is characterized in that the automatically cleaning camera lens with described in any one of claim 1-5 from clear
Clean glass is made.
7. a kind of picture pick-up device, which is characterized in that including automatically cleaning camera lens, the automatically cleaning camera lens includes：Glass lens ontology
And the micron concave-convex structure layer on the glass lens ontology and the low-surface-energy layer in concave-convex structure layer, it is described
Concave-convex structure layer is formed by hydrophilic nano titanium dioxide, and the low-surface-energy layer includes 17 fluorine decyl trimethoxy silicon
Alkane.
8. picture pick-up device according to claim 7, which is characterized in that the thickness of the micron concave-convex structure layer is 1-8 μm,
The thickness of the low-surface-energy layer is 50-200nm.
9. picture pick-up device according to claim 7, which is characterized in that the grain size of the hydrophilic nano titanium dioxide is 2-
20nm。
10. picture pick-up device according to claim 7, which is characterized in that the hydrophilic nano titanium dioxide is JR05 bis-
Titanium oxide.
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| CN201820251759.0U CN207862199U (en) | 2018-02-11 | 2018-02-11 | Self-cleaning glass, automatically cleaning camera lens and picture pick-up device |
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| CN201820251759.0U CN207862199U (en) | 2018-02-11 | 2018-02-11 | Self-cleaning glass, automatically cleaning camera lens and picture pick-up device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129035A (en) * | 2018-02-11 | 2018-06-08 | 深圳中天银河科技有限公司 | Self-cleaning glass and camera lens, the picture pick-up device and method for manufacturing self-cleaning glass |
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2018
- 2018-02-11 CN CN201820251759.0U patent/CN207862199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129035A (en) * | 2018-02-11 | 2018-06-08 | 深圳中天银河科技有限公司 | Self-cleaning glass and camera lens, the picture pick-up device and method for manufacturing self-cleaning glass |
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