CN110226583A - A kind of intelligent agricultural machinery flusher and its control method - Google Patents
A kind of intelligent agricultural machinery flusher and its control method Download PDFInfo
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- CN110226583A CN110226583A CN201910649633.8A CN201910649633A CN110226583A CN 110226583 A CN110226583 A CN 110226583A CN 201910649633 A CN201910649633 A CN 201910649633A CN 110226583 A CN110226583 A CN 110226583A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
- A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
Abstract
A kind of intelligent agricultural machinery flusher and its control method, belong to field of agricultural machinery.The present invention provides a kind of real-time control fountain height, sprinklings uniformly, is not necessarily to manual operation, full automatic intelligent agricultural machinery flusher and its control method.In the present invention, flow container is fixed on the car body, and air inlet pipe, water injection pipe and superpressure exhaust valve are connected to flow container；Pressure sensor is fixed on the inner wall of flow container, it is hydraulic in flow container for detecting, the output end of pressure sensor and the input terminal of control circuit connect, the other side of flow container is connected to one end of outlet pipe, liquid flow control valve is provided on outlet pipe, the other end of outlet pipe is connected to the middle part of variable diameter transverse tube, multiple liquid jets are connected to the other side of variable diameter transverse tube, tank gage is mounted in flow container, the output end of tank gage and the input terminal of control circuit connect, and control circuit is used to control the switch state of multiple liquid jets.The present invention is mainly suitable for the sprinklings of rice straw returning to the field corrosive agent.
Description
Technical field
The invention belongs to field of agricultural machinery, and in particular to a kind of agricultural machinery sprinkling facility and its control method.
Background technique
Previous sprinkling fertilizer is all to carry out spread by hand by manually holding container, and working efficiency is low, easily causes fatigue, from
Dynamicization degree is low, and while spraying can not accomplish uniformly to spray, and causes some places excessively sufficient, causes to waste, some places
Deficiency causes damages.Although also there is the agricultural machinery flusher of mechanization at present, the agricultural machinery flusher of the type needs on artificial
Medicine manually adjusts nozzle and spray boom, and then realizes and adjust fountain height, can not achieve full automatic working, causes to need when manual operation
Drug is contacted, is caused harm to the human body.Also it has tried to for flusher being fixed on unmanned plane, but pesticide sprays in the sky
The waste of pesticide is easily caused, unmanned plane spray area is smaller, cannot achieve multiple linkage, and spray area is small, and sprays uneven.
It is therefore desirable to a kind of real-time control fountain height, sprinkling uniformly, be not necessarily to manual operation, full automatic intelligent agricultural machinery
Flusher and its control method.
Summary of the invention
The present invention is unable to that real-time control fountain height, sprinkling is uneven, needs manual operation, no for existing flusher
Can automatic spraying defect, provide a kind of real-time control fountain height, sprinkling uniformly, without manual operation, full automatic intelligence
Agricultural machinery flusher and its control method.
The technical solution of a kind of intelligent agricultural machinery flusher according to the present invention and its control method is as follows:
A kind of intelligent agricultural machinery flusher according to the present invention, it includes flow container, air inlet pipe, water injection pipe, pressure sensing
Device, superpressure exhaust valve, outlet pipe, liquid flow control valve, variable diameter transverse tube, multiple liquid jets, tank gage and control circuit；Institute
It is fixed on the car body to state flow container, the side of the flow container be disposed with from top to bottom air inlet pipe, water injection pipe, pressure sensor and
Superpressure exhaust valve, the air inlet pipe, water injection pipe and superpressure exhaust valve are connected to flow container；The pressure sensor is fixed on flow container
Inner wall on, hydraulic in flow container for detecting, the input terminal of the output end of the pressure sensor and control circuit connects, institute
The other side for stating flow container is connected to one end of outlet pipe, and liquid flow control valve, the outlet pipe are provided on the outlet pipe
The other end be connected to the middle part of variable diameter transverse tube, the multiple liquid jet is connected to the other side of variable diameter transverse tube, the liquid level
Instrument is mounted in flow container, and the output end of the tank gage and the input terminal of control circuit connect, and the control circuit is for controlling
The switch state of multiple liquid jets.
Further: the control circuit includes DC power supply, switch, input equipment, PLC chip, velocity sensor, change
Volt circuit, liquid flow controller and multiple electronic valves, the output end of the tank gage and the input terminal of PLC chip connect, institute
The input terminal of the output end and transforming circuit of stating pressure sensor connects, the output end of the transforming circuit and PLC chip it is defeated
Enter end connection, the input terminal of the superpressure exhaust valve and the output end of PLC chip connect, and the velocity sensor is mounted on car body
On, for detecting the movement speed of car body, the output end of the velocity sensor and the input terminal of PLC chip are connected, described straight
The output end in galvanic electricity source is connect by switch with the input terminal of PLC chip, the output end of the input equipment and PLC chip it is defeated
Enter end connection, the multiple solenoid valve is respectively arranged at the inlet of each liquid jet, air inlet pipe and water injection pipe, the multiple
The input terminal of solenoid valve is connect with the output end of PLC chip, and the liquid flow controller is bi-directionally connected with PLC chip, institute
The output end of the input terminal and liquid flow controller of stating liquid flow control valve connects.
Further: the transforming circuit includes zener diode, resistance R1, resistance R2, resistance R3, resistance R4, adjustable
Resistance RP1, adjustable resistance RP2, transmitter, capacitor C1, triode and diode VD1；The pin 1 and electricity of the pressure sensor
Hinder one end connection of R2, the other end of the resistance R2 and the pin 7 of transmitter, the pin 2 and pick-up of the pressure sensor
The pin 4 of device connects, and the pin 3 of the pressure sensor is connect with the pin 10 of transmitter, the pin 10 of the transmitter and
Pin 11 connects, and the pin 4 of the pressure sensor is connect with the pin 3 of transmitter, anode and the pressure of the zener diode
The pin 1 of force snesor connects, and the cathode of the zener diode and the pin 3 of pressure sensor connect, the resistance R3's
The connection of the pin 5 of one end and transmitter, the other end are connected by the pin 6 of adjustable resistance RP1 and transmitter, the resistance R4's
The sliding end of the connection of the pin 14 of one end and transmitter, the other end and adjustable resistance RP2 connects, and the two of the adjustable resistance RP2
A fixing end is connect with the pin of transmitter 1 and pin 2 respectively, and one end of the resistance R1 and the pin 5 of transmitter connect, institute
The collector of the other end and triode of stating resistance R1 connects, and the base stage of the triode and the pin 12 of transmitter connect, institute
State triode emitter and transmitter pin 9 connect, the both ends of the capacitor C1 respectively with the pin of transmitter 5 and pin
7 connections, the cathode of the diode VD1 and the pin 5 of transmitter connect, and the anode of the DC power supply is with diode VD1's
Anode connection, the cathode of the DC power supply and the pin 7 of transmitter connect.
Further: the model IN4565A of the zener diode, the model MPX7050 of the pressure sensor,
The model XTR101 of the transmitter, the model MPSA06 of the triode.
Further: it further includes liquid circulating pipe and liquid circulation pump, the both ends of the liquid circulating pipe respectively with liquid
The upper and lower part of tank is connected to, and the liquid circulation pump is arranged on liquid circulating pipe, the input terminal of the liquid circulation pump with
The output end of PLC chip connects.
Further: the quantity of the multiple liquid jet is 18.
A kind of control method based on the intelligent agricultural machinery flusher, it the following steps are included:
Step a, switch is opened, DC power supply is made to power to control circuit；
Step b, the threshold value of flushing liquor volume information is set in PLC chip and is matched with the flushing liquor volume information
Hectare number information；
Step c, the described PLC chip controls the solenoid valve on water injection pipe by the information of input and opens, and injects flushing liquor
Flow container；
Step d, the water level information that tank gage acquires flushing liquor in flow container in real time is transmitted to PLC chip；When flushing liquor volume
When reaching threshold value, PLC chip closes the solenoid valve on water injection pipe；
Step e, the described velocity sensor acquires the mobile velocity information of flow container in real time and is transmitted to PLC chip, the PLC core
Piece passes through liquid flow according to the volume of flushing liquor, the speed of the hectare number to match with the flushing liquor volume and flow container movement
Amount controller controls the output quantity of liquid flow control valve, and realizes control by the state of the solenoid valve in control liquid jet
The switch state of liquid jet.
The beneficial effect of a kind of intelligent agricultural machinery flusher according to the present invention and its control method is:
A kind of intelligent agricultural machinery flusher of the present invention and its control method, pass through tank gage and solenoid valve control medicine
The injection rate of liquid, by PLC chip according to the preset threshold of flushing liquor and the shifting of flushing liquor matched default hectare number and flow container
Dynamic speed, real-time perfoming calculate current fountain height, and PLC chip controls liquid flow control valve by liquid flow controller
Flow realizes that the concentration of medical fluid is kept uniformly by liquid circulating pipe and liquid circulation pump, uniform so as to reach fountain height
Effect, solve in the prior art sprinkling unevenly cause waste and lose the technical issues of；And human contact is not needed,
Injury of the flushing liquor to people is avoided, PLC chip can also be realized by the unlatching and closure of control liquid jet solenoid
Any purpose for choosing liquid jet keeps constant pressure sprinkling more uniform, realizes full-automatic sprinkling.
Detailed description of the invention
Fig. 1 is a kind of external structure of intelligent agricultural machinery flusher；
Fig. 2 is the control structure block diagram of Fig. 1；
Fig. 3 is the circuit diagram of pressure transmitter；
In figure, 1 it is flow container, 2 is air inlet pipe, 3 is water injection pipe, 4 is pressure sensor, 5 is superpressure exhaust valve, 6 is liquid
Circulation pipe, 7 be liquid circulation pump, 8 be outlet pipe, 9 be liquid flow control valve, 10 be variable diameter transverse tube, 11 be liquid jet, 12
For tank gage.
Specific embodiment
Below with reference to embodiment, the following further describes the technical solution of the present invention, and however, it is not limited to this, all right
Technical solution of the present invention is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be contained
Lid is within the protection scope of the present invention.
Embodiment 1
Illustrate the present embodiment in conjunction with Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, a kind of intelligence agriculture involved in the present embodiment
Machine flusher, it includes flow container 1, air inlet pipe 2, water injection pipe 3, pressure sensor 4, superpressure exhaust valve 5, outlet pipe 8, liquid flow
Control valve 9, variable diameter transverse tube 10, multiple liquid jets 11, tank gage 12 and control circuit；The flow container 1 is fixed on the car body,
The side of the flow container 1 is disposed with air inlet pipe 2, water injection pipe 3, pressure sensor 4 and superpressure exhaust valve 5, institute from top to bottom
Air inlet pipe 2, water injection pipe 3 and superpressure exhaust valve 5 is stated to be connected to flow container 1；The pressure sensor 4 is fixed on the inner wall of flow container 1
On, hydraulic in flow container 1 for detecting, the output end of the pressure sensor 4 and the input terminal of control circuit connect, the control
Circuit processed is fixed on the car body, and the other side of the flow container 1 is connected to one end of outlet pipe 8, is provided with liquid on the outlet pipe 8
The other end of body flow control valve 9, the outlet pipe 8 is connected to the middle part of variable diameter transverse tube 10, the multiple liquid jet 11 with
The other side of variable diameter transverse tube 10 is connected to, and the tank gage 12 is mounted in flow container 1, the output end and control electricity of the tank gage 12
The input terminal on road connects, and the control circuit is used to control the switch state of multiple liquid jets 11.The air inlet pipe 2, water filling
Connecting tube caliber between pipe 3 and superpressure exhaust valve 5 and flow container 1 is DN15 (i.e. 4 are in charge of), the pressure sensor 4 and flow container 1
Between connecting tube caliber be DN50 (i.e. 2 writing brushes), the caliber of the outlet pipe 8 is DN20 (i.e. 6 are in charge of).
More specifically: as shown in Fig. 2, the control circuit include DC power supply, switch, input equipment, PLC chip,
Velocity sensor, transforming circuit, liquid flow controller and multiple electronic valves, the output end and PLC chip of the tank gage 12
Input terminal connection, the input terminal of the output end of the pressure sensor 4 and transforming circuit connects, the output of the transforming circuit
End is connect with the input terminal of PLC chip, and the input terminal of the superpressure exhaust valve 5 and the output end of PLC chip connect, the speed
Sensor is installed on the car body, for detecting the movement speed of car body, and then obtains the mobile speed of fixed flow container 1 on the car body
Degree；The output end of the velocity sensor and the input terminal of PLC chip connect, the output end of the DC power supply by switch with
The input terminal of PLC chip connects, and the output end of the input equipment and the input terminal of PLC chip connect, the multiple solenoid valve
Be respectively arranged at the inlet of each liquid jet 11, air inlet pipe 2 and water injection pipe 3, the input terminal of the multiple solenoid valve with
The output end of PLC chip connects, and the liquid flow controller is bi-directionally connected with PLC chip, the liquid flow control valve
The connection of the output end of input terminal and liquid flow controller.The tank gage 12 is located inside flow container 1, in real time will be in flow container 1
Liquid level information is transferred to PLC chip, and the velocity sensor installation on the car body, can obtain vehicle by detecting the angular speed of wheel
The movement speed of body, and then the movement speed for the flow container 1 being secured on car body, the pressure sensor 4 can supervise in real time
The pressure in flow container 1 is surveyed, and pressure transmission to PLC is controlled by chip by transforming circuit, it can be in more effectively stable flow container 1
Pressure, the purpose of more uniform constant pressure sprinkling is realized, to provide more accurate pressure value.The input equipment is fixed on vehicle
On body, for the state input control signal according to current agricultural machinery flusher, agricultural machinery flusher is made to be automatically finished medical fluid
Supply, sprinkling and circulation be not necessarily to people guaranteeing that agricultural machinery flusher described in the present embodiment can uniformly spray medical fluid
Work operation, avoids human body from contacting with medical fluid, and the DC power supply is DC24V, switchs as switch Q1 and switch Q2；The direct current
Source DC24V is separately connected switch Q1 and switch Q2, switch Q2 connection PLC chip, and switch DC24V, switch Q1 and switch Q2 are electricity
Source master switch.Set digital-to-analogue conversion program in the PLC chip, the velocity sensor, liquid flow controller are and PLC chip
Digital-to-analogue conversion interface connection, digital signal converting analogue signals can be realized inside PLC chip.
More specifically: as shown in figure 3, the transforming circuit include zener diode, resistance R1, resistance R2, resistance R3,
Resistance R4, adjustable resistance RP1, adjustable resistance RP2, transmitter, capacitor C1, triode and diode VD1；The pressure sensor
4 pin 1 is connect with one end of resistance R2, the other end of the resistance R2 and the pin 7 of transmitter, the pressure sensor 4
Pin 2 connect with the pin 4 of transmitter, the pin 3 of the pressure sensor 4 is connect with the pin 10 of transmitter, the change
The pin 10 of device is sent to connect with pin 11, the pin 4 of the pressure sensor 4 is connect with the pin 3 of transmitter, the pressure stabilizing two
The anode of pole pipe is connect with the pin 1 of pressure sensor 4, and the cathode of the zener diode and the pin 3 of pressure sensor 4 connect
It connects, one end of the resistance R3 and the connection of pin 5 of transmitter, the other end are connected by the pin 6 of adjustable resistance RP1 and transmitter
It connects, the sliding end of the connection of pin 14 of one end of the resistance R4 and transmitter, the other end and adjustable resistance RP2 connects, described
Two fixing ends of adjustable resistance RP2 are connect with the pin of transmitter 1 and pin 2 respectively, one end of the resistance R1 and pick-up
The pin 5 of device connects, and the other end of the resistance R1 and the collector of triode connect, the base stage and transmitter of the triode
Pin 12 connect, the pin 9 of the emitter of the triode and transmitter connects, the both ends of the capacitor C1 respectively with pick-up
The pin 5 and pin 7 of device connect, and the cathode of the diode VD1 and the pin 5 of transmitter connect, and the DC power supply is just
Pole is connect with the anode of diode VD1, and the cathode of the DC power supply and the pin 7 of transmitter connect.The zener diode
Model IN4565A, the model MPX7050 of the pressure sensor 4, the model XTR101 of the transmitter, it is described
The model MPSA06 of triode.Pressure signal is converted into the cyclic system electricity of 4-20mA current signal by the transforming circuit
Road, operating voltage 24DC are converted to differential voltage output, this voltage and tested pressure by MPX7050 pressure sensor by measuring pressure
Power is directly proportional, then sensor output voltage is converted to 4-20mA current signal, institute by transmitter XTR101 two-wire system speed changer
Stating current signal can be realized twisted pair long distance transmission.
More specifically: it further includes liquid circulating pipe 6 and liquid circulation pump 7, the both ends difference of the liquid circulating pipe 6
It is connected to the upper and lower part of flow container 1, the liquid circulation pump 7 is arranged on liquid circulating pipe 6, the liquid circulation pump 7
Input terminal and the output end of PLC chip connect.By to PLC chip set cycle threshold, make PLC chip according to cycle threshold not
Liquid circulation pump 7 is regularly opened, makes the flushing liquor in flow container 1 is irregular to be recycled, sprinkling liquid precipitate is prevented, makes medical fluid
Keep uniform.The caliber of the liquid circulating pipe 6 is DN20 (i.e. 6 are in charge of).
More specifically: the quantity of the multiple liquid jet 11 is 18.The caliber of the multiple liquid jet 11 is
DN15 (4 are in charge of), it is six sections that the variable diameter transverse tube 10, which divides, wherein connecting with No.1 liquid jet 11 and with ten No. eight liquid jets 11
The caliber of the two sections of variable diameter transverse tubes 10 connect be DN15, pipe range 0.65m, the variable diameter transverse tube 10 and No. five liquid jets 11 and with
The caliber of two sections of variable diameter transverse tubes 10 of No. 15 liquid jets 11 connection is DN20, pipe range 1.95m, described and No. eight liquid jets
11 and ride on Bus No. 11 liquid jet 11 connect two sections of variable diameter transverse tubes 10 caliber be DN25, pipe range 2.925.
Embodiment 2
1 illustrates the present embodiment in conjunction with the embodiments, and in the present embodiment, one kind involved in the present embodiment is based on the intelligence
The control method of agricultural machinery flusher, it the following steps are included:
Step a, switch is opened, DC power supply is made to power to control circuit；
Step b, the threshold value of flushing liquor volume information is set in PLC chip and is matched with the flushing liquor volume information
Hectare number information；
Step c, the described PLC chip controls the solenoid valve on water injection pipe 3 by the information of input and opens, and injects flushing liquor
Flow container 1；
Step d, the water level information that tank gage 12 acquires flushing liquor in flow container 1 in real time is transmitted to PLC chip；When sprinkling liquid
When product reaches threshold value, PLC chip closes the solenoid valve on water injection pipe 3；
Step e, the described velocity sensor acquires the mobile velocity information of flow container 1 in real time and is transmitted to PLC chip, the PLC
Chip passes through liquid according to the volume of flushing liquor, the speed of the hectare number to match with the flushing liquor volume and flow container movement
Flow controller controls the output quantity of liquid flow control valve 9, and real by the state of the solenoid valve in control liquid jet 11
Now control the switch state of liquid jet 11.
Working principle: the solenoid valve on water injection pipe 3 is opened in PLC chip control, carries out the injection of flushing liquor, and PLC chip is real
When receive water level of the flushing liquor in flow container 1 that tank gage 11 acquires, when flushing liquor is after reaching preset threshold, PLC chip
The solenoid valve on water injection pipe 3 is closed in control, when the present apparatus is placed on the mobile apparatus, PLC chip real-time reception velocity pick-up
The mobile speed of device flow container 1, PLC chip is according to the preset threshold of flushing liquor, preset with the matched hectare number of flushing liquor and liquid
The mobile speed of tank 1, real-time perfoming calculate current fountain height, and PLC chip controls fluid flow by liquid flow controller
The flow of control valve 8 so as to reach the uniform effect of fountain height, and does not need human contact, avoids flushing liquor pair
The injury of people, PLC chip can also be opened by control 10 solenoid of liquid jet and closure, realizes any selection liquid spray
The effect of pipe 10, more uniform constant pressure sprinkling.The present embodiment is particularly suitable for the sprinkling of rice straw returning to the field corrosive agent.This implementation
Example, which is realized, carries out logical operation according to flushing liquor threshold value, the hectare number threshold value to match with flushing liquor and mechanical speed, thus
The purpose for realizing control output quantity reaches and realizes that flushing liquor sprays uniform effect.
Claims (7)
1. a kind of intelligent agricultural machinery flusher, which is characterized in that it includes flow container (1), air inlet pipe (2), water injection pipe (3), pressure
Sensor (4), superpressure exhaust valve (5), outlet pipe (8), liquid flow control valve (9), variable diameter transverse tube (10), multiple liquid jets
(11), tank gage (12) and control circuit；The flow container (1) is fixed on the car body, the side of the flow container (1) from top to bottom according to
It is secondary to be provided with air inlet pipe (2), water injection pipe (3), pressure sensor (4) and superpressure exhaust valve (5), the air inlet pipe (2), water injection pipe
(3) it is connected to flow container (1) with superpressure exhaust valve (5)；The pressure sensor (4) is fixed on the inner wall of flow container (1), is used for
Detect hydraulic in flow container (1), the output end of the pressure sensor (4) and the input terminal connection of control circuit, the flow container
(1) the other side is connected to the one end of outlet pipe (8), is provided with liquid flow control valve (9) on the outlet pipe (8), described
The other end of outlet pipe (8) is connected to the middle part of variable diameter transverse tube (10), the multiple liquid jet (11) and variable diameter transverse tube (10)
Other side connection, the tank gage (12) is mounted in flow container (1), the output end of the tank gage (12) and control circuit
Input terminal connection, the control circuit are used to control the switch state of multiple liquid jets (11).
2. a kind of intelligent agricultural machinery flusher according to claim 1, which is characterized in that the control circuit includes direct current
Power supply, switch, input equipment, PLC chip, velocity sensor, transforming circuit, liquid flow controller and multiple electronic valves, institute
The input terminal of the output end and PLC chip of stating tank gage (12) connects, the output end and transforming circuit of the pressure sensor (4)
Input terminal connection, the input terminal of the output end of the transforming circuit and PLC chip connects, the superpressure exhaust valve (5) it is defeated
The output end for entering end and PLC chip connects, and the velocity sensor is installed on the car body, for detecting the movement speed of car body,
The output end of the velocity sensor and the input terminal of PLC chip connect, and the output end of the DC power supply passes through switch and PLC
The input terminal of chip connects, and the output end of the input equipment and the input terminal of PLC chip connect, the multiple solenoid valve difference
It is set to the inlet of each liquid jet (11), air inlet pipe (2) and water injection pipe (3), the input terminal of the multiple solenoid valve is equal
It is connect with the output end of PLC chip, the liquid flow controller is bi-directionally connected with PLC chip, the liquid flow control valve
Input terminal and liquid flow controller output end connect.
3. a kind of intelligent agricultural machinery flusher according to claim 2, which is characterized in that the transforming circuit includes pressure stabilizing
Diode, resistance R1, resistance R2, resistance R3, resistance R4, adjustable resistance RP1, adjustable resistance RP2, transmitter, capacitor C1, three poles
Pipe and diode VD1；The pin 1 of the pressure sensor (4) is connect with one end of resistance R2, the other end of the resistance R2 with
The pin 2 of the pin 7 of transmitter, the pressure sensor (4) is connect with the pin 4 of transmitter, the pressure sensor (4)
Pin 3 is connect with the pin 10 of transmitter, and the pin 10 of the transmitter is connect with pin 11, the pressure sensor (4)
Pin 4 is connect with the pin 3 of transmitter, and the anode of the zener diode is connect with the pin 1 of pressure sensor (4), described
The cathode of zener diode is connect with the pin 3 of pressure sensor (4), and one end of the resistance R3 and the pin 5 of transmitter connect
It connects, the other end is connected by the pin 6 of adjustable resistance RP1 and transmitter, one end of the resistance R4 and the pin 14 of transmitter
Connection, the other end and adjustable resistance RP2 sliding end connect, two fixing ends of the adjustable resistance RP2 respectively with transmitter
Pin 1 and pin 2 connect, the pin 5 of one end of the resistance R1 and transmitter connects, the other end and three of the resistance R1
The collector of pole pipe connects, and the base stage of the triode and the pin 12 of transmitter connect, the emitter of the triode and change
The pin 9 of device is sent to connect, the both ends of the capacitor C1 are connect with the pin of transmitter 5 and pin 7 respectively, the diode VD1
Cathode and the pin 5 of transmitter connect, the anode of the DC power supply is connect with the positive of diode VD1, the direct current
The cathode in source and the pin 7 of transmitter connect.
4. a kind of intelligent agricultural machinery flusher according to claim 3, which is characterized in that the model of the zener diode
For IN4565A, the model MPX7050 of the pressure sensor (4), the model XTR101 of the transmitter, three pole
The model MPSA06 of pipe.
5. a kind of intelligent agricultural machinery flusher according to claim 2, which is characterized in that it further includes liquid circulating pipe
(6) and liquid circulation pump (7), the both ends of the liquid circulating pipe (6) are connected to the upper and lower part of flow container (1) respectively, described
Liquid circulation pump (7) is arranged on liquid circulating pipe (6), the input terminal of the liquid circulation pump (7) and the output end of PLC chip
Connection.
6. a kind of intelligent agricultural machinery flusher according to claim 1, which is characterized in that the multiple liquid jet (11)
Quantity be 18.
7. a kind of control method based on intelligent agricultural machinery flusher described in claim 2, which is characterized in that it includes following step
It is rapid:
Step a, switch is opened, DC power supply is made to power to control circuit；
Step b, the public affairs for setting the threshold value of flushing liquor volume information in PLC chip and matching with the flushing liquor volume information
Just number information；
Step c, the solenoid valve in information control water injection pipe (3) that the described PLC chip passes through input is opened, and flushing liquor is made to inject liquid
Tank (1)；
Step d, the water level information that tank gage (12) acquires flow container (1) interior flushing liquor in real time is transmitted to PLC chip；When sprinkling liquid
When product reaches threshold value, PLC chip closes the solenoid valve on water injection pipe (3)；
Step e, the described velocity sensor acquires flow container (1) mobile velocity information in real time and is transmitted to PLC chip, the PLC core
Piece passes through liquid flow according to the volume of flushing liquor, the speed of the hectare number to match with the flushing liquor volume and flow container movement
Amount controller controls the output quantity of liquid flow control valve (9), and passes through the state of the solenoid valve in control liquid jet (11)
Realize the switch state of control liquid jet (11).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153895A (en) * | 2019-09-27 | 2020-12-29 | 深圳市大疆创新科技有限公司 | Spraying assembly, spraying system, moving device and spraying method |
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| WO2021056456A1 (en) * | 2019-09-27 | 2021-04-01 | 深圳市大疆创新科技有限公司 | Spraying assembly, spraying system, mobile device and spraying method |
| CN112153895B (en) * | 2019-09-27 | 2022-06-17 | 深圳市大疆创新科技有限公司 | Spraying assembly, spraying system, moving device and spraying method |
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