CN2640616Y - Pressure variable pesticide applicating sprayer - Google Patents

Pressure variable pesticide applicating sprayer Download PDF

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Publication number
CN2640616Y
CN2640616Y CN 03266753 CN03266753U CN2640616Y CN 2640616 Y CN2640616 Y CN 2640616Y CN 03266753 CN03266753 CN 03266753 CN 03266753 U CN03266753 U CN 03266753U CN 2640616 Y CN2640616 Y CN 2640616Y
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China
Prior art keywords
pesticide
sprayer
input
control device
medicine
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Expired - Fee Related
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CN 03266753
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Chinese (zh)
Inventor
史岩
傅泽田
祁力钧
高振江
李志刚
郑志安
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China Agricultural University
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China Agricultural University
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Priority to CN 03266753 priority Critical patent/CN2640616Y/en
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Publication of CN2640616Y publication Critical patent/CN2640616Y/en
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Abstract

The utility model discloses a pressure variable pesticide sprayer, which is formed by connecting a pesticide supply device, a target device and a control device; the power is respectively connected with the pesticide supply device, the target device and the control device; the pesticide supply device consists of a pesticide tank, a pesticide supply pump and a plurality of spraying units connected with each other through the pipe line; the spraying unit consists of a proportion decompressing valve, a switch electromagnetic valve, a pesticide spraying pole and a pressure sensor which are connected successively through the pipe line; wherein, the pesticide spraying pole is provided with more than one pressure variable nozzles; the proportion decompressing valve, the switch electromagnetic valve and the pressure sensor realize connection respectively with the input and output units of the control device. By the above technical proposal, the sprayer is not only able to perform the automatic target pesticide according to the existence and inexistence of the pesticide target, reducing the pesticide liquid waste and environmental pollution, but automatically adjust the spraying quantity according to the characteristic changing of the pesticide target and the changing of the unit moving speed, thereby improving the efficiency of the pesticide liquid spraying.

Description

Pressure type variable farm chemical applying spraying machine
Technical field
The utility model relates to a kind of pressure type variable farm chemical applying spraying machine, and especially the engine-driven atomiser of each sprayer unit atomisation pressure energy independent regulation and automatic target detection variable farm chemical applying is applied to the operation that sprays of soups such as agricultural chemicals or bactericide, belongs to the equipment for plant protection field.
Background technology
Be applied to the plain edition engine-driven atomiser that soups such as agricultural chemicals or bactericide spray operation at present, adapt to the large tracts of land operation, the effect height, the shower nozzle of each sprayer unit gross area in spraying swath quantitatively sprays continuously in operation process, make the validity of the agricultural chemicals of throwing in be difficult to guarantee, cause the waste and the environmental pollution of soup; Spray dosage and can only adopt the method for changing or convert to different discharge rate shower nozzles to realize if will change.Other has a kind of intelligent spraying machine, can having, not having and carry out selectivity target is sprayed according to the dispenser target, for example: (Journal of Transportation EngineeringVol.125 such as Slaughter D.C., No.4,1999) developed a kind of intermittently machine system of spraying herbicide of both sides of highway area that is used for, this system mainly by a NI Vision Builder for Automated Inspection and one fast response intermittent spraying system forms, gather image in real time and have, do not have a spraying herbicide that carries out intermittence according to weeds; Sadjadi; (United State Patent.March 4 such as Firooz.A, 1997) invented a kind of weeds quick identification machine system, carry out the selectivity spraying by the actuating mechanism controls shower nozzle, but can not regulate automatically according to the variation of the variation of dispenser clarification of objective and the unit speed of travel and spray dosage, Doruchowski, Graeorz etc. (Proceedings of SPIE 1998) have developed a kind of selectivity spraying machine system that is used for orchard and field weeding, this device is made up of optical detection system and spraying system, disposed a cover optical detector on each sprayer unit, detector sends the light (670nm and 750nm) of two bundle different wave lengths, utilize the catoptrical difference of chlorophyll to differentiate having of target, do not have, thereby spray and stop-spraying by electron helical pipe valve control sprayer unit; Giles, D.K.etal (Digital control offlow rate and spray droplet size from agricultuaral nozzles forprecision Agriculture, 729-738) use the electron helical pipe valve to carry out the control of formulation rate, the method of utilization pulse width modulation, open and close the flow of how much regulating of number of times each second by valve, but structure is complicated; J.Kunavat, (Trans of theASAE, 2000,43 (4): 829-837) original air shrinking valve is improved,, compress air supply system, cost height such as J.K.schueller but need be equipped with a cover in addition to adapt to the flow-control of single shower nozzle; U.S. spraying company (Spraying Systems Co.) adopts the method that changes atomisation pressure, increase discharge rate to increase pressure, but the operating pressure of all sprayer units is regulated by same overflow valve, and the operating pressure of each sprayer unit can not independent regulation, can not independent variable spray medicine.
The utility model content
For the shower nozzle that overcomes all sprayer units in the existing plain edition engine-driven atomiser operation process can only gross area in spraying swath quantitatively sprays and deficiency such as existing intelligent spraying machine complex structure continuously, the utility model provides a kind of pressure type variable farm chemical applying spraying machine, this spraying function has, does not have each sprayer unit automatic target detection dispenser according to the dispenser target, and can spray dosage according to automatic adjusting of the variation of the variation of dispenser clarification of objective and the unit speed of travel, simple in structure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pressure type variable farm chemical applying spraying machine is interconnected by doser, target pair device and control device and to form; Power supply is connected with doser, target pair device and control device respectively, for each device provides power supply; Wherein,
Doser comprises: be used to hold medicine-chest, the administration pump of medicament and pass through pipeline a plurality of sprayer units parallel with one another; Administration pump is serially connected between medicine-chest and the sprayer unit by pipeline, and its effect is: the soup in the medicine-chest is transported to each sprayer unit.In order to make each sprayer unit to the pressure stability between the administration pump, between medicine-chest and administration delivery side of pump, also be provided with overflow passage, string is provided with the overflow control module in this overflow passage; By opening or closing of overflow control module, make the overflow passage on-off, thereby reach the purpose of each sprayer unit of control to pressure stability between the administration pump.
Target pair device is an image collecting device, and this installs corresponding setting with sprayer unit, and optimum is set to: the corresponding sprayer unit of image collecting device; This image collecting device is installed in the place ahead of sprayer unit, is connected with control device by holding wire;
Described control device is connected and composed by computer, input-output unit and image pick-up card at least, and this image pick-up card and input-output unit are connected with computer by corresponding data-signal and the control signal form of bus (for example with) respectively; The input-output unit of administration pump, overflow control module and this control device is electrically connected; The output signal of target pair device also is connected to the input port of image pick-up card.
An important characteristic of the present utility model is: described sprayer unit is made of the proportional pressure-reducing valve that connects successively by pipeline, switch electromagnetic valve, spray medicine bar and pressure sensor; Wherein, spray medicine bar is provided with more than one pressure type variable sprayer; Proportional pressure-reducing valve, switch electromagnetic valve and pressure sensor are electrically connected with the input-output unit of control device respectively.When image acquisition units collects when being sprayed medicament object and density thereof, gathering signal is sent in the computer, this computer is according to predefined spray medicine controlled quentity controlled variable, the signal of the output port of control input-output unit changes, and then the action by control ratio pressure-reducing valve, switch electromagnetic valve, change the soup pressure in each spray prescription unit pipeline, and then have influence on the dose change that the pressure type variable sprayer is sprayed, reach the purpose that variable sprays soup.
In order to make soup even, between medicine-chest and administration delivery side of pump, also further be provided with and stir the loop, be provided with the stirring valve of opening when sprayer unit quits work and being used for reaching by the soup circulation stirring medicine-chest herb liquid in this stirring loop, the input-output unit of described stirring valve and control device is electrically connected.When not spraying soup work, can open the stirring valve, by the effect of administration pump, produce a soup circulation, cause soup that phenomenons such as precipitation can not take place, keep soup even.When opening sprayer unit, then should stir valve and close, soup still enters each sprayer unit.
In order to make spray value not be subjected to the influence of spraying mechanical movement velocity, described target pair device also further is provided with the velocity sensor that is used to measure the spraying machine movement velocity, this velocity sensor is surveyed the movement velocity of spraying machine, and this velocity output signal is connected to the input-output unit of control device, further be input in the computer, computer is according to rate signal that collects and default matched data, the action of control ratio pressure-reducing valve, change pressure, reach better variable for the drug effect fruit for soup.
Generally speaking, can adopt CCD (Charge Coupled Device, charge-coupled image sensor) camera acquisition to be sprayed the image information of object, the distance of this video camera and sprayer unit is at least 2M.In addition, can also further go here and there in the pipeline between medicine-chest and Teat pipette and establish the filter that is used for filtering liquid medicine impurity, protection shower nozzle, reach the purpose of protection pipeline and shower nozzle.
In addition, pressure sensor that is provided with on each sprayer unit and flow sensor are used for the pressure signal of each sprayer unit herb liquid and flow signal acquisition to computer, computer is according to this pressure signal and flow signal, by the action of the different proportional pressure-reducing valve of control, make that the soup pressure in each sprayer unit is controlled among the suitable scope respectively.
Above-mentioned administration pump transmission mechanism is connected with power source, this transmission mechanism is gearbox or belt pulley, in concrete application, can utilize the equipment of carrying spraying machine, for example: tractor etc., provide the power source of power as administration pump, perhaps, directly utilize the power source of motor as this administration pump.
By technique scheme as can be known: each sprayer unit of this spraying machine can not only be according to the having of dispenser target, no automatic target detection dispenser, reduce the waste and the environmental pollution of soup, and can spray dosage according to automatic adjusting of the variation of the variation of dispenser clarification of objective and the unit speed of travel, improve the validity of the soup of throwing in.
Description of drawings
Fig. 1 is the structural representation that the utlity model has two sprayer units;
Fig. 2 is the functional graphical diagram that the utlity model has five sprayer units;
Fig. 3 is the schematic diagram of the utility model driving circuit for electromagnetic valve.
The specific embodiment
Below, in conjunction with specific embodiments and with reference to accompanying drawing, the utility model is described in further detail.
With reference to Fig. 1, Fig. 2 and Fig. 3, ccd video camera 8 of all corresponding configuration of each sprayer unit is installed in the place ahead of spraying machine, and is connected with image pick-up card in being placed on embedded computer 9 by cable.Pressure sensor 13, flow sensor 12 are installed on the pipeline of each sprayer unit, be connected with input and output (I/O) module in being arranged on embedded computer 9 by cable with the velocity sensor 7 that is installed in spraying unit one side, overflow valve 6 is installed on the main line.Proportional pressure-reducing valve 11 is serially connected on the pipeline of each sprayer unit successively with flow sensor 12 and magnetic valve 14, and pressure sensor 13 is installed on the spray medicine bar 15.The proportional pressure-reducing valve 11, magnetic valve 14 that stirs valve 5, overflow valve 6 and each sprayer unit is connected with I/O module in being placed on embedded computer 9 by cable.Power supply 10 is connected with embedded computer 9 by cable.Stir valve 5 and be installed on the branch line, open and stir valve 5, can stir medicine-chest 1 inner liquid medicine; In the spraying operation, then will stir valve 5 and close.
In the spray process, administration pump 4 is connected by the power section of transmission mechanism with carrying agricultural machinery of the present utility model (for example tractor, seeder etc.), and its operating pressure is realized by the action of embedded computer 9 control overflow valves 6.The operating pressure of each sprayer unit is then regulated by the proportional pressure-reducing valve 11 that is installed on each sprayer unit, specifically is to regulate separately by embedded computer 9, and the operating pressure of each sprayer unit is not disturbed mutually.Shower nozzle 16 is installed on the spray boom 15, and spray boom 15 is configured in the spraying machine rear, and keeps distance more than the 2m with ccd video camera.
Computer is based on the embedded computer system of PC/104 bus among the figure, disposes four layers of module, is followed successively by image capture module, CPU processing unit, power module and I/O module.
Power module adopts (JUPITER-MM) power module that aims at mobile traffic and embed the PC/104 bus of using design.
Image capture module be commercially available, based on the high speed image acquisition board (SysExpanModule/VCM) of peripheral element extension interface pci bus, the vision signal of input, through digital decoder, A/D converter, proportional zoom, cutting, the look space-variant such as changes at processing, after passing to the VGA display card and show in real time by pci bus, pass to the calculator memory real-time storage.
In the present embodiment, what the CPU processing unit adopted is the SCM/SPT module that Sheng Bo company produces, its CPU be a slice X86 compatibility 64 the 6th generation processor, highest running speed can reach 300MHz, in plate, support maximum 128M 3.3V SDRAM, its graphic process unit can be supported various LCD and TFT display screen, the built-in video memory of 2M support to 1280 * 1024 kinds of colors, support simultaneously the PS/2 keyboard onboard, the PS/2 mouse, the EIDE interface, the Floppy interface, two go here and there interface in the lump, CF card socket, USB, IrDa, Watchdog, the SCM/SPT module is deferred to the PC/104+ standard, and PC/104 is provided bus.
What the I/O module adopted is the ADT200/ADT600 module that meets the PC/104 bus specification.This module has following characteristics: (1) 8 road both-end or 16 tunnel single-ended analog input channels; 12,20 microseconds mould/number (A/D) converter; ± 5V, ± 10V, or 0 to+10V analog input range; Available resistance configuration gain; (2) 24 passages are based on the programmable digital amount I/O of TTL/CMOS 71055 chips; (3) but three 16 8MHz timer/counter frequency acquisition signals independently.
Pressure sensor connects I/O module both-end analog quantity input, and input cross-over connection 5K precision resistance (output of pressure sensor 4~20mA electric current is transformed in 0~10V scope of I/O module simulation amount input needs), flow sensor and velocity sensor connect the frequency quantity input end of I/O module.
With reference to Fig. 3,5 inputs of 5 digital quantity output termination driving circuit for electromagnetic valve of I/O module, corresponding 5 the output termination magnetic valves of driving circuit for electromagnetic valve, COM termination power.
In the operation process, overflow valve 6 is regulated the pressure of main line and is kept certain value by embedded computer 9, the picture signal that ccd video camera 8 will be gathered is in real time sent into embedded computer 9 by image pick-up card and is handled, pressure sensor 13, flow sensor 12, velocity sensor 7 is sent into embedded computer 9 with auxiliary signal by the I/O module synchronously and is handled, embedded computer 9 sends to switching signal the magnetic valve 14 that is installed on each sprayer unit with result by the I/O module, magnetic valve 14 actions realize each sprayer unit spraying and stop-spraying, embedded computer 9 sends to proportional pressure-reducing valve 11 on each sprayer unit with the dispenser dose signal by the I/O module, and proportional pressure-reducing valve 11 is regulated the operating pressure of each sprayer unit and realized variable rate spray by pressure type variable sprayer 16.
It should be noted that at last: above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (7)

1, a kind of pressure type variable farm chemical applying spraying machine is interconnected by doser, target pair device and control device and to form; Power supply is connected with doser, target pair device and control device respectively; Wherein,
Doser comprises: medicine-chest, administration pump and by pipeline a plurality of sprayer units parallel with one another; Administration pump is serially connected between medicine-chest and the sprayer unit by pipeline; Be provided with overflow passage between medicine-chest and administration delivery side of pump, string is provided with the overflow control module in this overflow passage;
Target pair device is an image collecting device, and this device is corresponding with sprayer unit, and is installed in the place ahead of sprayer unit, is connected with control device by holding wire;
Control device is connected and composed by computer, input-output unit and image pick-up card at least, and this image pick-up card is connected with computer with control signal by corresponding data-signal respectively with input-output unit; The input and output end unit of overflow control module and control device is electrically connected; The output signal of target pair device is connected to the input port of image pick-up card.
It is characterized in that:
Described sprayer unit is made of the proportional pressure-reducing valve that connects successively by pipeline, switch electromagnetic valve, spray medicine bar and pressure sensor; Wherein, spray medicine bar is provided with more than one pressure type variable sprayer; Proportional pressure-reducing valve, switch electromagnetic valve and pressure sensor are electrically connected with the input-output unit of control device respectively.
2, pressure type variable farm chemical applying spraying machine according to claim 1 is characterized in that: also go here and there in the described sprayer unit and be provided with flow sensor, the input/output signal of this flow sensor is connected to input-output unit.
3, pressure type variable farm chemical applying spraying machine according to claim 1, it is characterized in that: also further be provided with between described medicine-chest and the administration delivery side of pump and stir the loop, be provided with the stirring valve of opening when sprayer unit quits work and being used for reaching by the soup circulation stirring medicine-chest herb liquid in this stirring loop, this input-output unit that stirs valve and control device is electrically connected.
4, pressure type variable farm chemical applying spraying machine according to claim 1, it is characterized in that: described target pair device also further is provided with the velocity sensor that is used to measure the spraying machine movement velocity, and the output signal of described velocity sensor is connected to the input-output unit of control device.
5, pressure type variable farm chemical applying spraying machine according to claim 1, it is characterized in that: described image collecting device is a ccd video camera, the distance of this video camera and sprayer unit is at least 2M.
6, pressure type variable farm chemical applying spraying machine according to claim 1 is characterized in that: also further go here and there in the pipeline between medicine-chest and Teat pipette and be provided with the filter that is used for filtering liquid medicine impurity, protection shower nozzle.
7, pressure type variable farm chemical applying spraying machine according to claim 1, it is characterized in that: described administration pump transmission mechanism is connected with power source, and this transmission mechanism is gearbox or belt pulley, and this power source is the power-equipment or the motor of carrying spraying machine.
CN 03266753 2003-07-07 2003-07-07 Pressure variable pesticide applicating sprayer Expired - Fee Related CN2640616Y (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1311913C (en) * 2004-10-28 2007-04-25 博奥生物有限公司 Trace amount liquid jet system
CN101690923A (en) * 2009-10-10 2010-04-07 华南农业大学 Microcomputer based control device for constant-pressure atomization of pipeline
CN1974025B (en) * 2004-10-28 2010-06-23 博奥生物有限公司 Micro liquid jetting system
CN101927220A (en) * 2010-07-05 2010-12-29 中国农业大学 Accurate intelligent targeted spraying machine
CN101947503A (en) * 2010-07-28 2011-01-19 中国农业大学 Toward-target spraying robot system for greenhouses
CN102017938A (en) * 2010-10-19 2011-04-20 中国农业大学 Greenhouse suspended self-propelled target-oriented sprayer system and operation method thereof
CN102266829A (en) * 2011-05-11 2011-12-07 四川农业大学 Pesticide formulation spraying machine
CN102405896A (en) * 2011-08-18 2012-04-11 常州智能农业装备研究院有限公司 Intelligent targeting chemical spray machine
CN104115809A (en) * 2014-07-24 2014-10-29 中国农业大学 Toward-target spraying machine and method for crops in field
CN106259264A (en) * 2016-08-15 2017-01-04 南京农业大学 Multi-arm type orchard wind send variable farm chemical applying device
CN107567787A (en) * 2017-07-18 2018-01-12 全椒县汊河农机服务专业合作社 A kind of hand-held agricultural fertilizer applicator by Stress control
CN110432246A (en) * 2019-08-09 2019-11-12 石宝超 A kind of pesticide stirring spraying apparatus

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1311913C (en) * 2004-10-28 2007-04-25 博奥生物有限公司 Trace amount liquid jet system
CN1974025B (en) * 2004-10-28 2010-06-23 博奥生物有限公司 Micro liquid jetting system
CN101690923A (en) * 2009-10-10 2010-04-07 华南农业大学 Microcomputer based control device for constant-pressure atomization of pipeline
CN101690923B (en) * 2009-10-10 2013-05-01 华南农业大学 Microcomputer based control device for constant-pressure atomization of pipeline
CN101927220A (en) * 2010-07-05 2010-12-29 中国农业大学 Accurate intelligent targeted spraying machine
CN101947503B (en) * 2010-07-28 2012-09-12 中国农业大学 Toward-target spraying robot system for greenhouses
CN101947503A (en) * 2010-07-28 2011-01-19 中国农业大学 Toward-target spraying robot system for greenhouses
CN102017938A (en) * 2010-10-19 2011-04-20 中国农业大学 Greenhouse suspended self-propelled target-oriented sprayer system and operation method thereof
CN102266829A (en) * 2011-05-11 2011-12-07 四川农业大学 Pesticide formulation spraying machine
CN102266829B (en) * 2011-05-11 2012-12-26 四川农业大学 Pesticide formulation spraying machine
CN102405896A (en) * 2011-08-18 2012-04-11 常州智能农业装备研究院有限公司 Intelligent targeting chemical spray machine
CN104115809A (en) * 2014-07-24 2014-10-29 中国农业大学 Toward-target spraying machine and method for crops in field
CN104115809B (en) * 2014-07-24 2016-05-18 中国农业大学 A kind of field crops sprays machine and spraying method to target
CN106259264A (en) * 2016-08-15 2017-01-04 南京农业大学 Multi-arm type orchard wind send variable farm chemical applying device
CN107567787A (en) * 2017-07-18 2018-01-12 全椒县汊河农机服务专业合作社 A kind of hand-held agricultural fertilizer applicator by Stress control
CN110432246A (en) * 2019-08-09 2019-11-12 石宝超 A kind of pesticide stirring spraying apparatus
CN110432246B (en) * 2019-08-09 2021-07-09 江苏东南植保有限公司 Pesticide stirring spraying equipment

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