CN103337206A - Automatically-controlled spray atomization demonstrating device - Google Patents
Automatically-controlled spray atomization demonstrating device Download PDFInfo
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- CN103337206A CN103337206A CN2013102639299A CN201310263929A CN103337206A CN 103337206 A CN103337206 A CN 103337206A CN 2013102639299 A CN2013102639299 A CN 2013102639299A CN 201310263929 A CN201310263929 A CN 201310263929A CN 103337206 A CN103337206 A CN 103337206A
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Abstract
The invention relates to the technical field of agriculture, in particular to an automatically-controlled spray atomization demonstrating device, and specifically to a device for precisely controlling and demonstrating a spray atomization effect through a mathematical model. A demonstrating interface of the automatically-controlled spray atomization demonstrating device is used for inputting variable parameters for spray atomization, and is connected with a controller through a cable; the controller is also connected with a pressure unit, and is used for controlling the pressure unit to regulate the spray flow; the pressure unit is used for acquiring a signal of the controller, automatically setting pressure and dynamically feeding back the pressure value to the controller; the pressure unit is connected with a spray rod through a PWM (pulse-width modulation) regulating valve; multiple groups of spray nozzles are arranged on the spray rod; each group of spray nozzles is correspondingly displayed on the demonstrating interface. Through the mathematical model, the automatically-controlled spray atomization demonstrating device can accurately control and demonstrate the spray effect, and can be used for introducing a high-efficiency spray control technology and performing on-site demonstration to promote understanding; the automatically-controlled spray atomization demonstrating device is also an important tool for science popularization and is applicable to scientific researches in spray research institutions and enterprises.
Description
Technical field
The present invention relates to agricultural technology field, relate in particular to a kind of automatic control spray atomization apparatus for demonstrating, is the device of precisely controlling demonstration spray atomization effect by mathematical model specifically.
Background technology
China is large agricultural country, and the protection of crops is important link in the agricultural production process.The application of agricultural chemicals has alleviated the infringement of disease pest and weed to crops widely in the plant protection process, and it can make grain reduce the loss, and the protection of vegetables, fruit and other industrial crops is had irreplaceable effect.And the use of agricultural chemicals need be with its spray atomization, and the form of spray atomization is determining sprinkling quantity and the spray pattern of chemical pesticide, and it is to safety and the efficient decisive role of using of agricultural chemicals.
Therefore, research pesticide spray atomizing has at present become the direction of those skilled in the art's research, but, up to the present, also there is not a kind of device of introducing efficient spray atomizing control technology and carrying out on-the-spot demonstration, be unfavorable for that the student is to the complete understanding of efficient spray atomizing control technology, in the development that has to a certain degree also hindered the efficient spray atomization technique.
Therefore, at above deficiency, the invention provides a kind of automatic control spray atomization apparatus for demonstrating.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is to solve the device that does not have efficient spray atomizing control technology in the prior art and carry out on-the-spot demonstration, be unfavorable for that everybody is to the complete understanding of efficient spray atomizing control technology, in the problem of the development that has to a certain degree also hindered the efficient spray atomization technique.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of automatic control spray atomization apparatus for demonstrating, automatically control spray atomization apparatus for demonstrating comprises demonstration interface, controller and spray boom, described demonstration interface is used for the variable parameter of input spray atomization, it is connected with described controller by cable, controller also is connected with pressure unit, be used for the controlled pressure unit and realize the adjusting of mist flow, described pressure unit is used for signal and the automatic setting pressure of acquisition controller, and gives controller with the force value dynamic feedback; Pressure unit is connected with described spray boom by the PWM variable valve, is provided with many group shower nozzles at spray boom, and every group of shower nozzle correspondence on the demonstration interface shows.
Further, described pressure unit adopts the digital signal Interface and Controler to connect.
Further, also comprise counter, described counter is connected with described controller by cable, and controller and counter mate automatically.
Further, described counter is single-chip microcomputer.
Further, also comprise the stability of flow unit, described stability of flow unit is connected with the PWM variable valve by pipeline.
Further place, described every group of shower nozzle includes a plurality of nozzles.
Further, described demonstration interface is touch input display device.
(3) beneficial effect
Technique scheme of the present invention has following advantage: automatic control spray atomization apparatus for demonstrating of the present invention, by signal and the automatic setting pressure of pressure unit acquisition controller, and give controller with the force value dynamic feedback; Pressure unit is by PWM variable valve control shower nozzle, can precisely control the demonstration spray effect by mathematical model, can be used to introduce the efficient spray control technology and carry out on-the-spot demonstration, promote everybody understanding, also be the important tool of science popularization simultaneously, also can spray medicine research institution and enterprise and carry out scientific research.
Description of drawings
Fig. 1 is the synoptic diagram that the embodiment of the invention is controlled the spray atomization apparatus for demonstrating automatically;
Fig. 2 is the control flow chart that the embodiment of the invention is controlled the spray atomization apparatus for demonstrating automatically.
Among the figure: 1: the demonstration interface; 2: shower nozzle; The 3:PWM variable valve; 4: spray boom; 5: counter; 6: controller; 7: the flow voltage regulation unit; 8: pressure unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of automatic control spray atomization apparatus for demonstrating that the embodiment of the invention provides, automatically control spray atomization apparatus for demonstrating comprises demonstration interface 1, controller 6 and spray boom 4, described demonstration interface 1 is used for the variable parameter of input spray atomization, it is connected with described controller 6 by cable, controller 6 also is connected with pressure unit 8, be used for controlled pressure unit 8 and realize the adjusting of mist flow, described pressure unit 8 is used for signal and the automatic setting pressure of acquisition controller 6, and gives controller 6 with the force value dynamic feedback; Controller 6 is connected with counter 5, controller and counter mate automatically, and pressure unit 8 is connected with described spray boom 4 by PWM variable valve 3, are provided with many group shower nozzles 2 at spray boom 4, every group of shower nozzle 2 corresponding demonstration on demonstration interface 1, described every group of shower nozzle 2 includes a plurality of nozzles.Usually, once can carry out the science spraying demonstration of 1-15 shower nozzle, each shower nozzle connects 3-5 nozzle, and each nozzle sprays separately.
Preferably, described pressure unit 8 adopts digital signal Interface and Controler 6 to connect, the signal of acquisition controller 6 and automatic setting pressure, and give controller 6 with the force value dynamic feedback.
Spray atomization apparatus for demonstrating of the present invention also comprises stability of flow unit 7, described stability of flow unit 7 is connected with PWM variable valve 3 by pipeline, flow voltage regulation unit 7 carries out energy storage, eliminate fluid turbulent flow phenomenon automatically with the unnecessary soup of pipeline, improve piping flow stability, effectively improved the demonstration effect of spray atomization.
Described speed reduction unit 5 is single-chip microcomputer, is provided with the flow demonstration mathematical model of three kinds of shower nozzles:
The model of first shower nozzle is:
y
1=27.69pd-5.34p+4.81d+1.34, wherein, y
1Be the flow of first shower nozzle, p is atomisation pressure, and d is dutycycle.
The model of second shower nozzle is:
y
2=0.0456f
2+ 8.47d
2+ 21.90pd-1.14p-0.67f+1.39d+3.86, wherein, y
2Be the flow of second shower nozzle, p is atomisation pressure, and d is dutycycle, and f is the frequency of PWM variable valve.
The model of the 3rd shower nozzle is:
y
3=0.09f
2+ 21.69d
2+ 23.97pd+1.07p-1.09f-9.97d+7.11, wherein, y
3Be the flow of the 3rd shower nozzle, p is atomisation pressure, and d is dutycycle, and f is the frequency of PWM variable valve.
Demonstration interface 1 is touch input display device, variable parameter in the above-mentioned model is imported by the liquid crystal touch screen at demonstration interface, system is revised according to the numerical value of importing, and will demonstrate each dynamic parameter figure at interface 1 and make up the spray effect of spraying corresponding one by one.
The work flow of this spray atomization apparatus for demonstrating: chemical spraying device is connected with the PWM variable valve, from demonstration interface setting parameter, regulates nozzle position, system checks computing automatically, begins demonstration, and the demonstration interface dynamically shows current demonstration parameter.
In sum, automatic control spray atomization apparatus for demonstrating of the present invention by signal and the automatic setting pressure of pressure unit acquisition controller, and is given controller with the force value dynamic feedback; Pressure unit is by PWM variable valve control shower nozzle, can precisely control the demonstration spray effect by mathematical model, can be used to introduce the efficient spray control technology and carry out on-the-spot demonstration, promote everybody understanding, also be the important tool of science popularization simultaneously, also can spray medicine research institution and enterprise and carry out scientific research.
The above only is a kind of preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (7)
1. control the spray atomization apparatus for demonstrating automatically for one kind, it is characterized in that: comprise demonstration interface (1), controller (6) and spray boom (4), described demonstration interface (1) is used for the variable parameter of input spray atomization, it is connected with described controller (6) by cable, controller (6) also is connected with pressure unit (8), be used for controlled pressure unit (8) and realize the adjusting of mist flow, described pressure unit (8) is used for signal and the automatic setting pressure of acquisition controller (6), and gives controller (6) with the force value dynamic feedback; Pressure unit (8) is connected with described spray boom (4) by PWM variable valve (3), is provided with many group shower nozzles (2) at spray boom (4), and every group of shower nozzle (2) gone up corresponding the demonstration at demonstration interface (1).
2. automatic control spray atomization apparatus for demonstrating according to claim 1 is characterized in that: described pressure unit (8) employing digital signal Interface and Controler (6) connection.
3. automatic control spray atomization apparatus for demonstrating according to claim 1, it is characterized in that: also comprise counter (5), described counter (5) is connected with described controller (6) by cable, and controller and counter mate automatically.
4. automatic control spray atomization apparatus for demonstrating according to claim 3, it is characterized in that: described counter (5) is single-chip microcomputer.
5. automatic control spray atomization apparatus for demonstrating according to claim 1, it is characterized in that: also comprise stability of flow unit (7), described stability of flow unit (7) is connected with PWM variable valve (3) by pipeline.
6. automatic control spray atomization apparatus for demonstrating according to claim 1, it is characterized in that: described every group of shower nozzle (2) includes a plurality of nozzles.
7. automatic control spray atomization apparatus for demonstrating according to claim 1 is characterized in that: described demonstration interface (1) is touch input display device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310263929.9A CN103337206B (en) | 2013-06-27 | 2013-06-27 | Automatic control spray atomization apparatus for demonstrating |
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| CN201310263929.9A CN103337206B (en) | 2013-06-27 | 2013-06-27 | Automatic control spray atomization apparatus for demonstrating |
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| CN103337206A true CN103337206A (en) | 2013-10-02 |
| CN103337206B CN103337206B (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725655A (en) * | 2019-01-15 | 2019-05-07 | 华南农业大学 | A kind of construction method and device of more capacity of sprinkler Controlling models |
Citations (5)
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| US20030014170A1 (en) * | 2001-07-16 | 2003-01-16 | Christensen Steven V. | Control system for use on construction equipment |
| CN201928868U (en) * | 2011-02-14 | 2011-08-17 | 长春一汽四环长拖农用车有限公司 | Spray system of agricultural sprayer |
| WO2012021708A1 (en) * | 2010-08-11 | 2012-02-16 | Spraying Systems Co. | Targeted spraying of viscous solution containing suspended solids |
| CN202310980U (en) * | 2011-11-15 | 2012-07-11 | 北京农业信息技术研究中心 | PWM (pulse-width modulation) variable spray testing device |
| CN103163866A (en) * | 2013-03-19 | 2013-06-19 | 江苏大学 | Intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller |
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2013
- 2013-06-27 CN CN201310263929.9A patent/CN103337206B/en active Active
Patent Citations (5)
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| US20030014170A1 (en) * | 2001-07-16 | 2003-01-16 | Christensen Steven V. | Control system for use on construction equipment |
| WO2012021708A1 (en) * | 2010-08-11 | 2012-02-16 | Spraying Systems Co. | Targeted spraying of viscous solution containing suspended solids |
| CN201928868U (en) * | 2011-02-14 | 2011-08-17 | 长春一汽四环长拖农用车有限公司 | Spray system of agricultural sprayer |
| CN202310980U (en) * | 2011-11-15 | 2012-07-11 | 北京农业信息技术研究中心 | PWM (pulse-width modulation) variable spray testing device |
| CN103163866A (en) * | 2013-03-19 | 2013-06-19 | 江苏大学 | Intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller |
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| 张涛涛 等: "基于PWM变量农药喷洒控制系统的研究", 《农机化研究》, no. 7, 31 July 2012 (2012-07-31) * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725655A (en) * | 2019-01-15 | 2019-05-07 | 华南农业大学 | A kind of construction method and device of more capacity of sprinkler Controlling models |
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