A kind of realization efficient parking lot car license recognition equipment of self energizing
Technical field
This application involves Car license recognition fields more particularly to a kind of realization efficient parking lot Car license recognition of self energizing to set
It is standby.
Background technology
Construction is continued to optimize with the development and road traffic of auto manufacturing, the vehicle number in city steeply rises,
Parking lot vehicle management becomes a great problem, and monitoring parking lot periphery situation is can be very good using car license recognition equipment.
However, the problems such as existing car license recognition equipment is in the presence of that cannot work independently, rely on power grid electric energy.
Invention content
To overcome the problems in correlation technique, the application provides a kind of realization efficient parking lot car plate of self energizing
Identification equipment.
The application is achieved through the following technical solutions:
A kind of realization efficient parking lot car license recognition equipment of self energizing, including:Harvester, electrical storage device and control
Device;The control device include Car license recognition unit and assembly processing unit, the harvester respectively with electrical storage device and
Control device connects.
Preferably, the harvester is equipped with camera body and pedestal, and the camera body upper surface is also equipped with
Solar panel;The solar panel is electrically connected with the camera body, electrical storage device and control device.
Preferably, the solar panel is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
The technical solution that embodiments herein provides can include the following benefits:
1. the dye-sensitized solar cells in the application car license recognition equipment, due in conventional dyes sensitization solar battery
Using carrier of the TiO2 nano particles as dyestuff, though grain structure with big specific surface area, due to grain boundary face
Presence, electronics transmit between particles will pass through countless interfaces, this weakens transmission rate of the electronics in transmission process;This
Light anode structure is directly grows tungstic acid three dimensional network on transparent conductive film in the dye-sensitized solar cells of invention
Lattice nanostructured, with direct electron transfer pathways, electronics can be collected into along three-dimensional manometer grid on electrode, together
When semiconductor material with wide forbidden band belonged to due to tungsten trioxide nano material, there is high electric conductivity, therefore from structure and material side
Face substantially increases the efficiency of transmission of electronics.
2. tungstic acid three-dimensional grid nanostructured has larger specific surface area, the absorption effect of dyestuff can be greatly improved
Rate, dyestuff are excited by light generation electronics, and sufficient Dye Adsorption amount can largely generate photon, increase density of photocurrent, and then
The transfer efficiency of sunlight can be improved.
3. increasing one layer of Cr metal between the FTO substrates of light anode and tungstic acid three-dimensional grid nanostructured, make
For the transition zone of electronics conduction, contact resistance larger between nanostructured and substrate is avoided, in addition, adding in the electrolytic solution
Nano-Ag particles, nano-Ag particles contribute to the scattering of sunlight in the electrolytic solution, increase the probability of dyestuff absorption, can
Improve electricity conversion.
4. in the modified light anode structure that the present invention designs, tungstic acid three-dimensional grid nanostructured uses hydro-thermal legal system
Standby, the preparation method is simple, of low cost, has the potentiality of a wide range of practical application.
The additional aspect of the application and advantage will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the application.It should be understood that above general description and following detailed description are only
It is exemplary and explanatory, the application can not be limited.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is herein described car license recognition equipment structure diagram, wherein, 1- electrical storage devices, 2- control devices, 3- takes the photograph
Camera ontology, 4- pedestals, 5- solar panels.
Fig. 2 is the flow chart of the production method of dye-sensitized solar cells described in the application car license recognition equipment.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.For letter
Change disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
Purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself to be more than that the relationship between various embodiments and/or setting is discussed again.This
Outside, this application provides various specific techniques and material example, but those of ordinary skill in the art may realize that
The use of the applicability and/or other materials of other techniques.In addition, fisrt feature described below Second Eigenvalue " on "
Structure can be formed as the embodiment being in direct contact including the first and second features, can also be formed in including other feature
Embodiment between first and second features, such first and second feature may not be to be in direct contact.
In the description of the present application, it should be noted that unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be the connection inside mechanical connection or electrical connection or two elements, it can
To be to be connected directly, can also be indirectly connected by intermediary, it for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The energy is the substance that energy conversion is provided to nature, is the material base of mankind's activity.Clean energy resource, also referred to as
Green energy resource refers to those energy not discharged pollutants, includes water energy, wind energy, solar energy, biological energy source, nuclear energy, underground heat
Can etc., clean energy resource is environmentally friendly, and discharge is few, and pollution level is small.At present, the development and utilization of clean energy resource is becoming
The consistent appealing of world.
Solar energy clean energy resource is that the luminous energy of the sun is converted to the forms such as thermal energy, electric energy, will not in energy sources conversion
Generate other pollutions.At present it is most commonly used is silica-based solar, the efficiency of opto-electronic conversion is higher, still, silicon it is purified
Journey meeting generation environment pollution, the complex manufacturing technology of silica-based solar cell are expensive.
In the big family of solar cell, dye-sensitized solar cells belongs to hybrid inorganic-organic battery, type electricity
Pond forms class sandwich structure by light anode, to the electrolyte of electrode and sandwich;Wherein, light anode is usually by transparent electricity
The TiO2 nano thin-films on pole and its surface are formed, which is adsorbed with dyestuff, and dyestuff is mainly used to absorb sunlight
Energy;Electrode is generally made of the catalytic film on electrode and its surface, which is generally Pt metals.The dye sensitization sun
Energy battery has many advantages, such as technically simple, of low cost.In the research to dye-sensitized solar cells, the material of light anode
It is played a significant role in terms of transfer efficiency of the structure to improving photoelectricity.
Tungsten belongs to transition metal, and tungstic acid is the highest oxidation state of tungsten, fully meets stoichiometric ratio, three oxidations
Tungsten is a kind of typical wide bandgap semiconductor functional material, is detected in gas, light, electrochromism, photocatalysis, the side such as electrochemistry
Face has excellent performance.
With reference to embodiment, the present invention is described further.
Embodiment one:
By Fig. 1, embodiments herein is related to a kind of realization efficient parking lot car license recognition equipment of self energizing, packet
It includes:Harvester, electrical storage device 1 and control device 2;The control device 2 includes Car license recognition unit and assembly processing unit,
The harvester is connect respectively with electrical storage device 1 and control device 2.
Preferably, the harvester is equipped with camera body 3 and pedestal 4, and 3 upper surface of camera body is also installed
There is solar panel 5;The solar panel 5 is electrically connected with the camera body 3, electrical storage device 1 and control device 2
It connects.
Preferably, the solar panel 5 is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, with reference to Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrates, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 60mmol, nanometer web thickness is 6 μm.Tungsten trioxide nano three-dimensional knot
Structure is in hollow network-like, wherein, a diameter of 40nm of network, centre can adsorb hiding a large amount of dye molecules, and dyestuff is inhaled
Attached amount is 0.189 × 10-6mol/cm2.
Opto-electronic conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power densities 100mW/
Cm2, test find that short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 9.4%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, parking lot identification equipment of the invention, preparation process is simple, and anti-fatigue ability is strong, opto-electronic conversion effect
Rate is higher, has certain practical application potential.
Embodiment two:
By Fig. 1, embodiments herein is related to a kind of realization efficient parking lot car license recognition equipment of self energizing, packet
It includes:Harvester, electrical storage device 1 and control device 2;The control device 2 includes Car license recognition unit and assembly processing unit,
The harvester is connect respectively with electrical storage device 1 and control device 2.
Preferably, the harvester is equipped with camera body 3 and pedestal 4, and 3 upper surface of camera body is also installed
There is solar panel 5;The solar panel 5 is electrically connected with the camera body 3, electrical storage device 1 and control device 2
It connects.
Preferably, the solar panel 5 is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, with reference to Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrates, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 50mmol, nanometer web thickness is 5 μm.Tungsten oxide nanometer three-dimensional structure
In hollow network-like, wherein, a diameter of 40nm of network, centre can adsorb hiding a large amount of dye molecules, Dye Adsorption
It measures as 0.189 × 10-6mol/cm2.
Opto-electronic conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power densities 100mW/
Cm2, test find that short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 8.3%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.5%, better working stability.
By test, parking lot identification equipment of the invention, preparation process is simple, and anti-fatigue ability is strong, opto-electronic conversion effect
Rate is higher, has certain practical application potential.
Embodiment three:
By Fig. 1, embodiments herein is related to a kind of realization efficient parking lot car license recognition equipment of self energizing, packet
It includes:Harvester, electrical storage device 1 and control device 2;The control device 2 includes Car license recognition unit and assembly processing unit,
The harvester is connect respectively with electrical storage device 1 and control device 2.
Preferably, the harvester is equipped with camera body 3 and pedestal 4, and 3 upper surface of camera body is also installed
There is solar panel 5;The solar panel 5 is electrically connected with the camera body 3, electrical storage device 1 and control device 2
It connects.
Preferably, the solar panel 5 is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, with reference to Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrates, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 70mmol, nanometer web thickness is 7 μm.Tungsten trioxide nano three-dimensional knot
Structure is in hollow network-like, wherein, a diameter of 40nm of network, centre can adsorb hiding a large amount of dye molecules, and dyestuff is inhaled
Attached amount is 0.189 × 10-6mol/cm2.
Opto-electronic conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power densities 100mW/
Cm2, test find that short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 7.8%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 5.1%, better working stability.
By test, parking lot identification equipment of the invention, preparation process is simple, and anti-fatigue ability is strong, opto-electronic conversion effect
Rate is higher, has certain practical application potential.
Example IV:
By Fig. 1, embodiments herein is related to a kind of realization efficient parking lot car license recognition equipment of self energizing, packet
It includes:Harvester, electrical storage device 1 and control device 2;The control device 2 includes Car license recognition unit and assembly processing unit,
The harvester is connect respectively with electrical storage device 1 and control device 2.
Preferably, the harvester is equipped with camera body 3 and pedestal 4, and 3 upper surface of camera body is also installed
There is solar panel 5;The solar panel 5 is electrically connected with the camera body 3, electrical storage device 1 and control device 2
It connects.
Preferably, the solar panel 5 is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, with reference to Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells,
By Hydrothermal Growth, in FTO substrates, one layer of tungstic acid network, wherein tungsten hexachloride content are grown
During for 90mmol, nanometer web thickness is 10 μm.Tungsten trioxide nano three-dimensional structure is in hollow network-like, wherein, network
A diameter of 40nm, centre can adsorb hiding a large amount of dye molecules, and Dye Adsorption amount is 0.189 × 10-6mol/cm2.
Opto-electronic conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power densities 100mW/
Cm2, test find that short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 7.3%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, parking lot identification equipment of the invention, preparation process is simple, and anti-fatigue ability is strong, opto-electronic conversion effect
Rate is higher, has certain practical application potential.
Embodiment five:
By Fig. 1, embodiments herein is related to a kind of realization efficient parking lot car license recognition equipment of self energizing, packet
It includes:Harvester, electrical storage device 1 and control device 2;The control device 2 includes Car license recognition unit and assembly processing unit,
The harvester is connect respectively with electrical storage device 1 and control device 2.
Preferably, the harvester is equipped with camera body 3 and pedestal 4, and 3 upper surface of camera body is also installed
There is solar panel 5;The solar panel 5 is electrically connected with the camera body 3, electrical storage device 1 and control device 2
It connects.
Preferably, the solar panel 5 is based on dye-sensitized solar cells.
Preferably, the dye-sensitized solar cells are formed by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule;Institute
Transition zone is stated as Cr film transition zones;The tungstic acid seed layer thickness is 150nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, with reference to Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrates are cleaned:FTO conductive glass surfaces can take certain size first there are pollutions such as greasy dirt, dust
Its conduction is put into liquid detergent solution, is cleaned by ultrasonic 30min, Ran Houyong by the FTO electro-conductive glass of (10cm × 10cm) up
Deionized water is rinsed for several times repeatedly, until liquid detergent is cleaned up, then, FTO electro-conductive glass is sequentially placed into acetone, second
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun for use;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thicknesses are 50nm;
C) tungstic acid Seed Layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after being cleaned in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass finally is put into 300 DEG C of annealing 5h, wherein temperature-rise period in Muffle furnace
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructured is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstates, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass inclination for being covered with tungstic acid Seed Layer is taken to lean against in the solution of autoclave liner, conducting surface
It places downward, after sealing, autoclave is put into and has been warming up in 95 DEG C of baking oven, reaction for 24 hours, is down to naturally after the reaction was complete
Room temperature takes out FTO electro-conductive glass, and 30s is rinsed with deionized water, and obtaining growth has the light of tungstic acid three-dimensional grid nanostructured
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto
Enter the lithium iodide of 0.1mol, 0.1mol iodines, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridines and 0.6mol is protected from light
Ultrasonic 5min, makes it fully dissolve;Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, is fully dissolved,
It is protected from light stirring 12h;
S3, encapsulation:
The dye solution prepared in step S2 is taken to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructured enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will carry Pt Catalytic Layers
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture injection of one end, encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrates, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 120mmol, nanometer web thickness is 15 μm.Tungsten trioxide nano is three-dimensional
Structure is in hollow network-like, wherein, a diameter of 40nm of network, centre can adsorb hiding a large amount of dye molecules, dyestuff
Adsorbance is 0.189 × 10-6mol/cm2.
Opto-electronic conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power densities 100mW/
Cm2, test find that short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 6.5%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, parking lot identification equipment of the invention, preparation process is simple, and anti-fatigue ability is strong, opto-electronic conversion effect
Rate is higher, has certain practical application potential.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.Description and embodiments are considered only as illustratively, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim.