CN104738011A - Electrostatic spraying device and method thereof - Google Patents
Electrostatic spraying device and method thereof Download PDFInfo
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- CN104738011A CN104738011A CN201510109605.9A CN201510109605A CN104738011A CN 104738011 A CN104738011 A CN 104738011A CN 201510109605 A CN201510109605 A CN 201510109605A CN 104738011 A CN104738011 A CN 104738011A
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Abstract
The invention provides an electrostatic spraying device and a method thereof, and belongs to the field of agriculture assembly. According to the method, water and original liquid pesticide are stored in a separated mode, the flow of the liquid pesticide is changed through a frequency conversion motor so as to achieve needed concentration of the liquid pesticide, meanwhile, before mixing, the water is charged so as to mix the water and the original liquid pesticide more evenly to achieve electrostatic spraying at the same time, and the evenness of sprayed drips is improved. The method is convenient and reliable to implement, and the electrostatic spraying device is easy to overhaul, suitable for fieldwork and capable of improving the prevention and treatment effect.
Description
Technical field
The invention belongs to field of agricultural equipment, especially electrostatic atomizer and method thereof.
Background technology
Plant protection is a very important link in agricultural production, affects the healthy growth of crop.The method of plant protection has chemical control, physical control and biological control etc.Due to chemical control, to have work efficiency high, prevent and treat the features such as timely, control can be controlled in time sudden, the damage by disease and insect of large area outburst, thus the Field Plants guard method be still most widely used at present, the realization of chemical control needs plant protection spraying system, common field plant protection spraying system is by medicine-chest, pump, valve, manometer, spray boom, shower nozzle and flexible pipe composition, need when carrying out farm work to prepare certain density liquid in proportion in advance, then be transported to field and carry out spraying operation, because the sprayer filling liquid is advanced for a long time on rugged road, its life-span greatly reduces, and come and go interpolation liquid and need the at substantial time, because seriously reduce the efficiency of plant protection operation and add the working strength of operating personnel and sprayer.
Some realizes the device of online mixed medicine at present, Chinese patent CN200810027898 discloses a kind of medicament-mixing device, this device considers spray concentration real-time variable, one or more medicines are sprayed individually or simultaneously, but adopt the mode of control medicine comparatively large to equipment damage because liquid has corrosivity, and do not consider admixing medical solutions uniformity; Chinese patent CN201310194432 discloses a kind of variable-rate spraying device of automatic medicine-mixing, well employ and automatically inhale medicine medicine mixer, but this medicine mixer in actual applications intake pressure vacuum is inadequate, and intake pressure affects greatly by backwater amount, inhale medicine ratio instability; Chinese patent CN201410210118.7 discloses a kind of mixed Types of Medicine variable-rate spraying device and method in real time, this device and method adds jet mixing and mixes medicine module and ultrasonic fruit tree profiling module, described jet mixing mixes medicine module, and also to there will be intake pressure vacuum in practice inadequate, inhale medicine ratio unstable, and this device and method specific aim is comparatively strong, is not suitable for land for growing field crops operation.
Summary of the invention
For Shortcomings in prior art, the invention provides a kind of electrostatic atomizer and method thereof, liquor strength can be regulated in real time according to demand; And carry out charged to water, water in mixing chamber is mixed with liquid; The uniformity of spraying can also be increased simultaneously.
The present invention realizes above-mentioned technical purpose by following technological means.
A kind of electrostatic atomizer, is characterized in that, comprises water supply control module, for medicine control module and mixed atomizing module;
Described water supply control module comprises water tank, water pump, water ga(u)ge, the first variable-frequency motor, described water tank is built with water, the delivery port of described water tank is connected by pipe with the input of described water pump, described water delivery side of pump is connected by pipe with described water ga(u)ge, and described first variable-frequency motor is connected with described water pump;
The described medicine control module that supplies comprises medicine-chest, Teat pipette, medicine flowmeter, the second variable-frequency motor, described medicine-chest is built with liquid, the medicine outlet of described medicine-chest is connected by pipe with the input of described Teat pipette, described medicine delivery side of pump is connected by pipe with described medicine flowmeter, and described second variable-frequency motor is connected with described Teat pipette;
Described mixed atomizing module comprises mixing chamber, shower nozzle, magnetic valve, and the input of described mixing chamber is connected by pipe with described water ga(u)ge, medicine flowmeter, and the output of described mixing chamber is connected by spray boom with described shower nozzle, and described spray boom is provided with magnetic valve.
The present invention is by use first variable-frequency motor and the second variable-frequency motor, by magnetic valve change work shower nozzle quantity, regulate the first variable-frequency motor to regulate output, simultaneously by regulating the second variable-frequency motor to regulate liquor strength in real time, the dual real-time adjustment of spray amount and liquor strength can be reached.
Further, described water supply control module also comprises the front charged module of mixing, and before described mixing, charged module is between described water pump and described mixing chamber;
Before described mixing, charged module comprises three-way connection, stopper, HV generator, and two joints in described three-way connection are connected with pipe, and described HV generator is connected with the joint of the 3rd in described three-way connection by stopper;
Described HV generator is charged to water by contact Charging Techniques.
Before mixing, charged module is used for carrying out charged to water, because the charged viscosity of water that can make reduces, makes liquid more even with mixing of water.
Further, before described mixing charged module institute making alive (U/kv) and this module apart from mixing chamber distance (L/m) between have relation L>4U.
For preventing like charges in original liquid and water-band, and prevent liquid character from changing, preferably before mixing, charged module and mixing chamber keep certain distance.
Further, described first variable-frequency motor, the second variable-frequency motor, HV generator are connected with programmable logic controller (PLC), described tentaculum KM1 controls the Push And Release of described first variable-frequency motor, the Push And Release of described contactor KM2 second variable-frequency motor, HV generator.
Can make plant automation by programmable logic controller (PLC), during device work, the first variable-frequency motor first works, and after setting-up time, the second variable-frequency motor and HV generator work simultaneously; When device quits work, the second variable-frequency motor and HV generator first quit work, and after setting-up time, the first variable-frequency motor quits work.
In such scheme, described device also comprises the first check valve, the second check valve, and described first check valve is between described water pump and described mixing chamber;
Described second check valve is between described Teat pipette and described mixing chamber.
Use check valve, the flush clean before spraying after spray can be realized and prevent liquid waste.
In such scheme, the pipe in described device, three-way connection, mixing chamber are isolation material.
For making full use of the electricity that applies water of charged module before mixing, and reduce charged current by the road and system time discharge electricity, use insulating materials in device as far as possible.
The present invention also comprises a kind of electrostatic spraying method, it is characterized in that, comprises the steps:
S1, the magnetic valve opened on shower nozzle, determine the quantity of work shower nozzle, closed starting switch, by the energising of PLC controls contactor KM1 electromagnetic system, the contact KM1 controlling described contactor KM1 closes, first variable-frequency motor work, water flushing system pipeline in water tank, after setting-up time time delay, time relay T1 controls its contact T1 and closes, contactor KM2 electromagnetic system is energized, and the second variable-frequency motor and high pressure generator work simultaneously
S2, according to work shower nozzle quantity regulating first variable-frequency motor, according to the demand to liquor strength, regulate the second variable-frequency motor, described second variable-frequency motor realizes the control of medicinal liquid flow by driving Teat pipette;
Before S3, mixing, charged module is carried out charged to the water in pipe, realizes electrostatic spray after charged water mixes in mixing chamber with liquid by shower nozzle;
After S4, spraying terminate, closed shutdown switch, the power-off of contactor KM2 electromagnetic system, second variable-frequency motor and high pressure generator quit work simultaneously, water in water continues flushing system pipeline, and after setting-up time time delay, time relay T2 controls its contact T2 and disconnects, first variable-frequency motor quits work, system reset.
Electrostatic spray has following advantage: (1) is adhered to: make drop be attached to blade surface, do not tumble, and improves agricultural chemicals availability; (2) penetrate: droplet can penetrate canopy, strengthen effect; (3) around: droplet comprehensively can be attached to crop surface, as leaf positive and negative and pillar top and the bottom surface etc.
Beneficial effect of the present invention:
(1) the present invention is by regulating the real-time adjustable spraying amount of variable-frequency motor and liquor strength, and the method convenient and reliable operation, easily overhauls, and is applicable to land for growing field crops operation;
(2) the present invention adopts the charged method of water, because intermolecular interaction force can make water in mixing chamber more even with mixing of original liquid.
(3) liquid that the present invention obtains is the charged liquid of mixing, can realize electrostatic spray, improve control efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrostatic atomizer of the present invention.
Fig. 2 is charged modular structure schematic diagram before mixing of the present invention.
Fig. 3 is PLC controls ladder diagram of the present invention.
Description of reference numerals is as follows: 1. water tank, 2. water pump, 3. manages, 4. charged module, 5. three-way connection, 6. stopper before mixing, 7. HV generator, 8. water ga(u)ge, 9. the first check valve, 10. the second check valve, 11. medicine flowmeters, 12. mixing chambers, 13. shower nozzles, 14. magnetic valves, 15. second variable-frequency motors, 16. Teat pipettes, 17. first variable-frequency motors, 18. medicine-chests.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Fig. 1 is the structural representation of electrostatic atomizer of the present invention, and Fig. 2 is charged modular structure schematic diagram before mixing of the present invention.Above-mentioned electrostatic atomizer for by herbal sprinkling in plant, play elimination or the effect of prevention and elimination of disease and pests, this device comprises water supply control module, for medicine control module and mixed atomizing module.
In water supply control module, before water tank 1, water pump 2, mixing, charged module 4, water ga(u)ge 8, first check valve 9 are connected by pipe 3 successively, water tank 1 is built with water, by water pump 2, water is exported, water pump 2 is connected with the first variable-frequency motor 17, by the first variable-frequency motor regulating water flow, water ga(u)ge 8 is for feeding back the discharge detected in real time.
Before mixing, charged module 4 is made up of three-way connection 5, stopper 6, HV generator 7, two ends in three-way connection 5 are connected with pipe 3 respectively, the other end is connected with HV generator 7 by stopper 6, and HV generator 7 adopts the charged mode of contact charged to water.
Connected by pipe 3 successively for medicine-chest 18, Teat pipette 16, medicine flowmeter 11, second check valve 10 in medicine control module, medicine-chest 18 is built with original liquid, by Teat pipette 16, liquid is exported, Teat pipette 16 is connected with the second variable-frequency motor 15, by the first variable-frequency motor regulating water flow, medicine flowmeter 11 is for feeding back the medicine flow detected in real time.
Mixed atomizing module comprises mixing chamber 12, shower nozzle 13, magnetic valve 14, the input of mixing chamber 12 is connected with water supply control module with for medicine control module, mixing chamber 12 for water pump is exported water, Teat pipette export original liquid mixing, sprayed by shower nozzle 13, each shower nozzle is provided with corresponding magnetic valve 14, use number according to shower nozzle opens corresponding magnetic valve, the closed electromagnetic valve on other shower nozzles.
In said apparatus, determine the quantity of work shower nozzle 13 according to demand, regulate output by the first variable-frequency motor 17, after determining output, regulated for dose by the second variable-frequency motor, to regulate liquor strength in real time, spray amount and the dual real-time adjustment of liquor strength can be reached.
Be provided with the first check valve 9, second check valve 10 in a device, the flush clean before can realizing spraying medicine and to system after spray medicine, and prevent liquid waste.
Because former medicine is of a great variety, if directly to original liquid or mixing chamber 12 charged, can not learn whether the character of original liquid can change, therefore charged module 4 before mixing is selected to be placed in water supply control module, carry out charged to water, prevent like charges in former medicine and water-band, and have relation L>4U, because intermolecular interaction makes liquid more even with mixing of water in mixed process between the distance (L/m) of front charged module institute making alive (U/kv) of preferred mixing and this module distance mixing chamber.
For making full use of the electricity that applies water of charged module before mixing, and reduce charged current by the road and system time discharge electricity, pipe 3, three-way connection 5, stopper 6, mixing chamber 12 etc. adopt isolation material, as plastic material as far as possible.
For convenience of operation, the automation of implement device, employing programmable logic controller (PLC) (PLC) controls the first variable-frequency motor 17, second variable-frequency motor 15, HV generator 7, Fig. 3 is PLC controls ladder diagram of the present invention.KM1, KM2 are contactor, and KM1 controls the Push And Release of described first variable-frequency motor, and KM2 controls the Push And Release of the second variable-frequency motor, HV generator.In PLC controls ladder diagram, T1, T2 are respectively the time relay, starting switch closes, contactor KM1 electromagnetic system is energized, control its contact KM1 to close, the first variable-frequency motor work, after setting-up time time delay, time relay T1 controls its contact T1 and closes, and the second variable-frequency motor and high pressure generator work simultaneously; After shutdown switch is closed, the power-off of contactor KM2 electromagnetic system, second variable-frequency motor and high pressure generator quit work simultaneously, and after setting-up time time delay, time relay T2 controls its contact T2 and disconnects, first variable-frequency motor quits work, simultaneously contactor KM1 electromagnetic system power-off, contact KM1 disconnects, and time relay T1 resets disconnection, the power-off of contactor KM1 electromagnetic system, System recover original state.
The inner annexation of PLC is: starting switch is connected in series with contact T2, contactor KM1, the first variable-frequency motor successively, contact KM1 and starting switch after connecing, contact KM1 is connected in series with time relay T1 again; Shutdown switch is connected in series with contactor KM2, time relay T2 successively, and contact KM2 is connected in series with contact T1 and connects with shutdown switch simultaneously, and contact KM2 is connected with the second variable-frequency motor, HV generator with contact T1 simultaneously again.
The method adopting electrostatic atomizer to implement electrostatic spray comprises the steps:
S1, the magnetic valve 14 opened on shower nozzle 13, determine the quantity of work shower nozzle, starting switch is closed by programmable logic controller (PLC), contactor KM1 electromagnetic system is energized, and the contact KM1 controlling described contactor KM1 closes, the first variable-frequency motor work, water flushing system pipeline in water tank 1, after setting-up time time delay, time relay T1 controls its contact T1 and closes, and the second variable-frequency motor and high pressure generator work simultaneously;
S2, according to work shower nozzle 13 quantity regulating first variable-frequency motor 17, according to the demand to liquor strength, regulate the second variable-frequency motor 15, the control of described second variable-frequency motor 15 by driving Teat pipette 16 to realize medicinal liquid flow;
Before S3, mixing, charged module 4 is carried out charged to the water in pipe 3, realizes electrostatic spray after charged water mixes in mixing chamber 1 with liquid by shower nozzle 13;
After S4, spraying terminate, shutdown switch is closed by programmable logic controller (PLC), contactor KM2 electromagnetic system is energized, control its contact KM2 to close, second variable-frequency motor and high pressure generator quit work simultaneously, and the water in water tank 1 continues flushing system pipeline, after setting-up time time delay, time relay T2 controls its contact T2 and disconnects, and the first variable-frequency motor quits work.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (7)
1. an electrostatic atomizer, is characterized in that, comprises water supply control module, for medicine control module and mixed atomizing module;
Described water supply control module comprises water tank (1), water pump (2), water ga(u)ge (8), the first variable-frequency motor (17), described water tank (1) is built with water, the delivery port of described water tank (1) is connected by managing (3) with the input of described water pump (2), the output of described water pump (2) is connected by managing (3) with described water ga(u)ge (8), and described first variable-frequency motor (17) is connected with described water pump (2);
The described medicine control module that supplies comprises medicine-chest (18), Teat pipette (16), medicine flowmeter (11), the second variable-frequency motor (15), described medicine-chest (18) is built with liquid, the medicine outlet of described medicine-chest (18) is connected by managing (3) with the input of described Teat pipette (16), the output of described Teat pipette (16) is connected by managing (3) with described medicine flowmeter (11), and described second variable-frequency motor (15) is connected with described Teat pipette (16);
Described mixed atomizing module comprises mixing chamber (12), shower nozzle (13), magnetic valve (14), the input of described mixing chamber (12) is connected by managing (3) with described water ga(u)ge (8), medicine flowmeter (11), the output of described mixing chamber (12) is connected by spray boom with described shower nozzle (13), and described spray boom is provided with magnetic valve (14).
2. electrostatic atomizer as claimed in claim 1, it is characterized in that, described water supply control module also comprises the front charged module (4) of mixing, and before described mixing, charged module (4) is positioned between described water pump (2) and described mixing chamber (12);
Before described mixing, charged module (4) comprises three-way connection (5), stopper (6), HV generator (7), two joints in described three-way connection (5) are connected with pipe (3), and described HV generator (7) is connected with the joint of the 3rd in described three-way connection (5) by stopper (6);
Described HV generator (7) is charged to water by contact Charging Techniques.
3. sprayer unit as claimed in claim 2, is characterized in that, has relation L>4U before described mixing between charged module institute making alive (U/kv) with the distance (L/m) of this module distance mixing chamber.
4. sprayer unit as claimed in claim 3, it is characterized in that, described first variable-frequency motor (17), the second variable-frequency motor (15), HV generator (7) are connected with programmable logic controller (PLC), described contactor KM1 controls the Push And Release of described first variable-frequency motor (17), the Push And Release of described contactor KM2 second variable-frequency motor (15), HV generator (7).
5. as in Claims 1 to 4 arbitrarily as described in sprayer unit, it is characterized in that, described device also comprises the first check valve (9), the second check valve (10), and described first check valve (9) is positioned between described water pump (2) and described mixing chamber (12);
Described second check valve (10) is positioned between described Teat pipette (16) and described mixing chamber (12).
6. as in Claims 1 to 5 arbitrarily as described in sprayer unit, it is characterized in that, the pipe (3) in described device, three-way connection (5), mixing chamber (12) are isolation material.
7. an electrostatic spraying method, is characterized in that, comprises the steps:
S1, the magnetic valve (14) opened on shower nozzle (13), determine the quantity of work shower nozzle, closed starting switch, be energized by PLC controls contactor KM1 electromagnetic system, the contact KM1 controlling described contactor KM1 closes, first variable-frequency motor work, water flushing system pipeline in water tank (1), after setting-up time time delay, time relay T1 controls its contact T1 and closes, contactor KM2 electromagnetic system is energized, and the second variable-frequency motor and high pressure generator work simultaneously;
S2, according to work shower nozzle (13) quantity regulating first variable-frequency motor (17), according to the demand to liquor strength, regulate the second variable-frequency motor (15), the control of described second variable-frequency motor (15) by driving Teat pipette (16) to realize medicinal liquid flow;
Before S3, mixing, charged module (4) is carried out charged to the water in pipe (3), realizes electrostatic spray after charged water mixes in mixing chamber (12) with liquid by shower nozzle (13);
After S4, spraying terminate, closed shutdown switch, the power-off of contactor KM2 electromagnetic system, second variable-frequency motor and high pressure generator quit work simultaneously, water in water (1) continues flushing system pipeline, and after setting-up time time delay, time relay T2 controls its contact T2 and disconnects, first variable-frequency motor quits work, system reset.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510109605.9A CN104738011B (en) | 2015-03-12 | 2015-03-12 | Electrostatic atomizer and its method |
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| CN201510109605.9A CN104738011B (en) | 2015-03-12 | 2015-03-12 | Electrostatic atomizer and its method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108651A (en) * | 2015-09-21 | 2015-12-02 | 青岛理工大学 | Grinding wheel blockage detection cleaning device and method integrating acoustic emission and dynamometer |
| CN105145532A (en) * | 2015-10-25 | 2015-12-16 | 杨忠桃 | Pesticide spraying device for agriculture |
| CN105353784A (en) * | 2015-11-16 | 2016-02-24 | 江苏大学 | Frequency-dependent and variable-frequency adjustable control device and method used for chemical mixer |
| CN106259261A (en) * | 2016-08-03 | 2017-01-04 | 宿松县脆又甜萝卜种植专业合作社 | A kind of horizontal sliding three bar pesticide sprayer |
| CN109907029A (en) * | 2019-03-15 | 2019-06-21 | 湖南福德电气有限公司 | A kind of spraying system |
| CN112170031A (en) * | 2020-08-12 | 2021-01-05 | 江苏大学 | Portable electrostatic spraying device with compound adjustable charge mode |
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| CN202514470U (en) * | 2011-12-02 | 2012-11-07 | 江苏大学 | Spraying system with field plant protection function |
| CN203181856U (en) * | 2013-04-24 | 2013-09-11 | 华中农业大学 | Directly-filling type medicine mixing system device of variable spraying machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202514470U (en) * | 2011-12-02 | 2012-11-07 | 江苏大学 | Spraying system with field plant protection function |
| CN203181856U (en) * | 2013-04-24 | 2013-09-11 | 华中农业大学 | Directly-filling type medicine mixing system device of variable spraying machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108651A (en) * | 2015-09-21 | 2015-12-02 | 青岛理工大学 | Grinding wheel blockage detection cleaning device and method integrating acoustic emission and dynamometer |
| CN105145532A (en) * | 2015-10-25 | 2015-12-16 | 杨忠桃 | Pesticide spraying device for agriculture |
| CN105145532B (en) * | 2015-10-25 | 2018-12-07 | 玉环市旭日五金厂 | A kind of chemical spraying device for agricultural |
| CN105353784A (en) * | 2015-11-16 | 2016-02-24 | 江苏大学 | Frequency-dependent and variable-frequency adjustable control device and method used for chemical mixer |
| CN105353784B (en) * | 2015-11-16 | 2018-04-10 | 农业部南京农业机械化研究所 | For medicine mixer with frequency frequency conversion adjustable control means and method |
| CN106259261A (en) * | 2016-08-03 | 2017-01-04 | 宿松县脆又甜萝卜种植专业合作社 | A kind of horizontal sliding three bar pesticide sprayer |
| CN109907029A (en) * | 2019-03-15 | 2019-06-21 | 湖南福德电气有限公司 | A kind of spraying system |
| CN112170031A (en) * | 2020-08-12 | 2021-01-05 | 江苏大学 | Portable electrostatic spraying device with compound adjustable charge mode |
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| CN104738011B (en) | 2017-09-05 |
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