CN206020220U - A kind of pesticide droplet deposition and evaporation detection means - Google Patents
A kind of pesticide droplet deposition and evaporation detection means Download PDFInfo
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- CN206020220U CN206020220U CN201621055654.5U CN201621055654U CN206020220U CN 206020220 U CN206020220 U CN 206020220U CN 201621055654 U CN201621055654 U CN 201621055654U CN 206020220 U CN206020220 U CN 206020220U
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- droplet
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- deposition
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Abstract
This utility model provides a kind of pesticide droplet deposition and evaporation detection means, and when mist droplet deposition is to copline finger-inserting type capacitor surface, capacitance becomes big, and when droplet evaporates, capacitance tapers into recovery to initial state value.High frequency generator can accurately track the change of above-mentioned copline finger-inserting type condenser capacity, and the variable high-frequency oscillation signal of output frequency.Signal transient cycle detection module measures the instant cycle of high frequency generator output signal in real time, and send data processing module to be processed together with the time reference that time block is exported the instant cycle of signal.After through data processing module process, the deposition of droplet, flash evaporation amount, droplet evaporation time can be obtained in real time, and can deposition and evaporation of the real-time monitoring droplet in sensor surface whole physical process.
Description
Technical field
This utility model is related to agricultural aviation plant protection art, more particularly, to a kind of pesticide droplet deposition and steaming
Send out detection means.
Background technology
In agricultural plant protection field, it is the principal mode and effective ways of crop pest control to spray insecticide.Pesticide exists
The deposition of crop leaf is to assess one of technical specification of crops plant protection operation effect.The deposition of existing measurement pesticide droplet
The method of amount can be divided into colouring and elution method.Colouring is estimated using water-sensitive reagent paper.First by water-sensitive reagent paper table
Face up and be fixed on pesticide application operating area, then pesticide application operation in real time.When pesticide droplet lands in water-sensitive reagent paper table
During a certain region in face, the region can change colour.Then reagent paper is scanned with scanner, recycles image processing techniquess to calculate examination
The size of mottle on paper, estimates the deposition of the droplet of deposition, size droplet diameter, droplet deposition density, coefficient of variation etc. on reagent paper
Parameter.But, as the diffusion coefficient of existing aviation spray water sensitive paper is 30% or so, droplet is easily spread in water sensitive paper, is made
Obtain measurement result inaccurate.Eluting rule is to accept pesticide droplet with capture card, then with a certain amount of solvent by capture card
Pesticide droplet eluting make sample solution.The concentration of sample solution Pesticides is finally measured with analytical tool, and then calculating is adopted
Pesticide droplet deposition on truck.But, both approaches all can only carry out offline inspection to droplet, and which cannot be carried out
Real-time detection.
The patent documentation of notification number CN204594846U discloses one kind and can achieve to be measured to covering Droplet deposition in real time
Mist droplet deposition sensor, including:Plate capacitors, multi-channel switch, capacitive frequency change-over circuit, voltage to frequency conversion electricity
Road, analog digital conversion and control unit, plate capacitors include that substrate, substrate are provided with and cover copper wire group, and covering copper wire group includes
Multiple spaced first copper cash and the second copper cash, the left end of all of first copper cash connect the first line concentration point jointly, each
The right-hand member of the second copper cash is connected respectively the second line concentration point, and the line pitch between the first adjacent copper cash and the second copper cash is
0.1mm.The utility model causes the change of plate capacitors capacitance using mist droplet deposition to plate capacitors last time, by inciting somebody to action
Capacitance variation is converted to the voltage signal or current signal that can be collected, so as to realize that the droplet amount covered on capacitor is entered
Row measurement.Although the mist droplet deposition sensor can relatively accurately reflect Droplet deposition, the evaporation of droplet cannot be perceived
Process.
The patent documentation of notification number CN105753509A discloses a kind of humiceram and preparation method thereof, makes pottery including wet sensitive
Porcelain basal body surface has organosilan decorative layer, and its surface contact angle is 85 ~ 95 °.The method is made pottery to wet sensitive using organosilan
Porcelain surface is modified, and changes contact angle of the mist droplet deposition in ceramic surface, reduces diffusion of the droplet on humiceram surface
Coefficient.The invention also discloses a kind of mist droplet deposition sensor that makes using above-mentioned humiceram and mist droplet deposition sensor
Application in unmanned plane spray mist droplet deposition Characteristics Detection.Although the invention can more accurately measure the average grain of droplet
The information such as footpath, droplet density, Spraying coverage and distribution consistency degree, it is also possible to by the resistance detection sensor of humiceram
Relative humidity variations, and then the Droplet deposition on sensor is estimated, but cannot also detect that mist droplet deposition is whole with evaporation
Physical process.
Utility model content
This utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of pesticide droplet deposition with
Evaporation detection means, can not only detect the deposition of droplet, and can detect evaporation capacity of the droplet in sensor surface, and
Can Monitoring of Fog drop in the deposition of sensor surface and the whole physical process of evaporation.
For solving above-mentioned technical problem, the technical solution of the utility model is as follows:
A kind of pesticide droplet deposition and evaporation detection means, the detection means include that the copline being sequentially connected electrically is inserted and refer to
Formula capacitor, high frequency generator, signal transient cycle detection module and data processing module, the copline finger-inserting type capacitor
It is etched on fibre-glass printed circuit board, when mist droplet deposition is to copline finger-inserting type capacitor surface, capacitance becomes big, and
When droplet evaporates, capacitance tapers into recovery to initial state value;The high frequency generator is used for tracking copline and inserting referring to
The change of the capacitance of formula capacitor, and the variable high-frequency oscillation signal of output frequency;The signal transient cycle detection module
For measuring the instant cycle of high frequency generator output signal in real time, and the instant cycle of signal is sent to data processing module enters
Row is processed;The data processing module is used for the instant cycle signal according to the output of signal transient cycle detection module, extracts mist
Drop deposition, droplet flash evaporation amount and droplet evaporation time.
In a kind of preferred scheme, the copline finger-inserting type capacitor includes that two electrodes, two electrodes respectively extend
Go out some branches, some branches of two electrodes are arranged alternately.
In a kind of preferred scheme, two electrodes of the copline finger-inserting type capacitor are electric with high frequency generator respectively
Connection.
In a kind of preferred scheme, the data processing module is microprocessor.
In a kind of preferred scheme, the data processing module is also associated with time block.Time block is at data
Reason module with time benchmark.
Compared with prior art, the beneficial effect of technical solutions of the utility model is:This utility model provides a kind of pesticide
Mist droplet deposition and evaporation detection means, when mist droplet deposition is to copline finger-inserting type capacitor surface, capacitance becomes big, and works as mist
During drop evaporation, capacitance tapers into recovery to initial state value.High frequency generator can accurately track above-mentioned copline and insert and refer to
The change of formula condenser capacity, and the variable high-frequency oscillation signal of output frequency.Signal transient cycle detection module is surveyed in real time
The instant cycle of amount high frequency generator output signal, and the instant cycle of signal is given together with the time reference that time block is exported
Data processing module is processed.After through data processing module process, deposition, the flash evaporation of droplet can be obtained in real time
Amount, droplet evaporation time, and can deposition and evaporation of the real-time monitoring droplet in sensor surface whole physical process.
Description of the drawings
Fig. 1 is the schematic diagram of this utility model pesticide droplet deposition and evaporation detection means.
Fig. 2 is copline finger-inserting type capacitor schematic top view.
Specific embodiment
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as the restriction to this patent;
In order to the present embodiment is more preferably described, accompanying drawing some parts have omission, zoom in or out, and do not represent actual product
Size;
To those skilled in the art, it is to be appreciated that in accompanying drawing, some known features and its explanation may be omitted
's.
With reference to the accompanying drawings and examples the technical solution of the utility model is described further.
Embodiment 1
As shown in Figure 1-2, a kind of pesticide droplet deposition and evaporation detection means, the detection means include being sequentially connected electrically
Copline finger-inserting type capacitor, high frequency generator, signal transient cycle detection module and data processing module, the copline
Finger-inserting type capacitor is etched on fibre-glass printed circuit board, when mist droplet deposition is to copline finger-inserting type capacitor surface,
Capacitance becomes big, and when droplet evaporates, capacitance tapers into recovery to initial state value;The high frequency generator be used for
The change of the capacitance of track copline finger-inserting type capacitor, and the variable high-frequency oscillation signal of output frequency;The signal transient
Cycle detection module is used for the instant cycle for measuring high frequency generator output signal in real time, and the instant cycle of signal is sent to number
Processed according to processing module;The data processing module is used for the instant cycle according to the output of signal transient cycle detection module
Signal, extracts Droplet deposition, droplet flash evaporation amount and droplet evaporation time.
In specific implementation process, the copline finger-inserting type capacitor includes that two electrodes, two electrodes respectively extend
Some branches, some branches of two electrodes are arranged alternately.
In specific implementation process, two electrodes of the copline finger-inserting type capacitor are electrically connected with high frequency generator respectively
Connect.
In specific implementation process, the data processing module is microprocessor.
In specific implementation process, the data processing module is also associated with time block.Time block is data processing
Module with time benchmark.
The present embodiment provides a kind of pesticide droplet deposition and evaporation detection means, when mist droplet deposition is to copline finger-inserting type electricity
During vessel surface, capacitance becomes big, and when droplet evaporates, capacitance tapers into recovery to initial state value.The higher-order of oscillation
Device can accurately track the change of above-mentioned copline finger-inserting type condenser capacity, and the variable higher-order of oscillation letter of output frequency
Number.Signal transient cycle detection module measures the instant cycle of high frequency generator output signal, and the instantaneous week by signal in real time
Phase send data processing module to be processed together with the time reference that time block is exported.After through data processing module process, can
The real-time deposition for obtaining droplet, flash evaporation amount, droplet evaporation time, and can real-time monitoring droplet sinking in sensor surface
Product and the whole physical process of evaporation.
The corresponding same or analogous part of same or analogous label;
Term the being for illustration only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the restriction to this patent;
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need to give to all of embodiment
Exhaustive.All any modification, equivalent and improvement that is made within spirit of the present utility model and principle etc., should be included in
Within this utility model scope of the claims.
Claims (5)
1. a kind of pesticide droplet deposition and evaporation detection means, it is characterised in that the detection means includes being sequentially connected electrically
Copline finger-inserting type capacitor, high frequency generator, signal transient cycle detection module and data processing module, the copline are inserted
Finger formula capacitor is etched on fibre-glass printed circuit board, when mist droplet deposition is to copline finger-inserting type capacitor surface, electricity
Capacitance becomes big, and when droplet evaporates, capacitance tapers into recovery to initial state value;The high frequency generator is used for tracking
The change of the capacitance of copline finger-inserting type capacitor, and the variable high-frequency oscillation signal of output frequency;The signal transient week
Phase detection module is used for the instant cycle for measuring high frequency generator output signal in real time, and the instant cycle of signal is sent to data
Processing module is processed;The data processing module is used for the instant cycle letter according to the output of signal transient cycle detection module
Number, extract Droplet deposition, droplet flash evaporation amount and droplet evaporation time.
2. pesticide droplet according to claim 1 is deposited and evaporation detection means, it is characterised in that the copline is inserted and referred to
Formula capacitor includes that two electrodes, two electrodes respectively extend some branches, and some branches of two electrodes are arranged alternately.
3. pesticide droplet according to claim 1 is deposited and evaporation detection means, it is characterised in that the copline is inserted and referred to
Two electrodes of formula capacitor are electrically connected with high frequency generator respectively.
4. pesticide droplet according to claim 1 is deposited and evaporation detection means, it is characterised in that the data processing mould
Block is microprocessor.
5. pesticide droplet according to claim 1 is deposited and evaporation detection means, it is characterised in that the data processing mould
Block is also associated with time block.
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CN201621055654.5U CN206020220U (en) | 2016-09-14 | 2016-09-14 | A kind of pesticide droplet deposition and evaporation detection means |
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CN201621055654.5U CN206020220U (en) | 2016-09-14 | 2016-09-14 | A kind of pesticide droplet deposition and evaporation detection means |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110441352A (en) * | 2018-05-02 | 2019-11-12 | 杰克托农业机械股份有限公司 | Reusable droplet deposition Electronic Calibration equipment |
-
2016
- 2016-09-14 CN CN201621055654.5U patent/CN206020220U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110441352A (en) * | 2018-05-02 | 2019-11-12 | 杰克托农业机械股份有限公司 | Reusable droplet deposition Electronic Calibration equipment |
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