CN107247442A - A kind of speed of fertilizing equipment and fertilizer amount synchronous control system and its control method - Google Patents
A kind of speed of fertilizing equipment and fertilizer amount synchronous control system and its control method Download PDFInfo
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- CN107247442A CN107247442A CN201710568754.0A CN201710568754A CN107247442A CN 107247442 A CN107247442 A CN 107247442A CN 201710568754 A CN201710568754 A CN 201710568754A CN 107247442 A CN107247442 A CN 107247442A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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Abstract
A kind of speed of fertilizing equipment and fertilizer amount synchronous control system and its control method, including detection unit I, detection unit II, wireless transport module I, wireless transport module II, power module, processor module, performing module and display module, detection unit I and detection unit II are connected by wireless transport module 1 with processor module, and processor module is by wireless transport module II by signal output to execution unit and display unit.Efficiency of the present invention beneficial to the current seeder fertilising operation process of raising, accurate control dose, it ensure that the nutritional information that field crops need, you can avoid the excessive generation for causing burn seedlings phenomenon of dose, save fertilizer, it can avoid again because dose is not enough, cause it is secondary topdress, use manpower and material resources sparingly, be favorably improved yield, resource is saved, great economic benefit can be brought for peasant.
Description
Technical field
The present invention relates to precision agriculture field, more particularly, to a kind of speed of fertilizing equipment and fertilizer amount Synchronization Control system
System and its control method.
Background technology
Precision agriculture is a branch of agricultural modernization, its object is to improve the utilization rate of various resources in agricultural,
Reduce the wasting of resources.As agricultural modernization develops, precise sowing mechanism gradually instead of traditional sowing mechanism, current essence
Most of thin seeder uses mechanical and pneumatic type seeder, and seeder is in operation process, the closing of sowing mechanism
Property and the raising of operating speed cause difficult to use manually to go to judge operation quality.For example in operation process, due to field
The complexity on ground, causes seeder tyre slip, if now sowing and fertilizer will be caused without sowing the control with fertilizer amount
Amount is uneven.The inhomogeneities of seed and fertilizer amount will cause to produce growth not because fertilizer is uneven in plant growing process again
Uniformity, this brings problem to field management and harvest, the implementation of mechanization of agriculture is not easy to, if while dose mistake
It is few, cause field crops growing nutrient not enough, reduce crop yield, cause huge economic losses, if dose is excessive, easily go out
Existing burn seedlings phenomenon, causes the waste of the resources such as a large amount of seeds and fertilizer.
The content of the invention
The purpose of the present invention is to be the existing fertilizer practice of solution as the change of fertilizing equipment translational speed can cause fertilising
There is provided a kind of speed of fertilizing equipment and fertilizer amount synchronous control system and its controlling party for the problem of amount is unable to reach nearest standard
Method.
The present invention is solves the deficiency of above-mentioned technical problem, and the technical scheme used is：
A kind of speed of fertilizing equipment and fertilizer amount synchronous control system, including for detecting the detection unit of fertilizer flow information
I, the detection unit II for detecting mechanical speed of travel information, wireless transport module I, wireless transport module II, power module,
Processor module, performing module and display module, power module are detection unit I, detection unit II, wireless transport module I, nothing
Electric energy needed for line transport module II, processor module, performing module and display module are provided, detection unit I and detection unit II
It is connected by wireless transport module 1 with processor module, processor module is held signal output by wireless transport module II
Row unit and display unit,
Detection unit I includes piezoelectric membrane and signal conditioning circuit, by being connected with fertilizer storage device in automatic fertilization equipment
Piezoelectric membrane detect fertilizer changes in flow rate information, piezoelectric membrane is according to remaining fertilizer under different fertilising flows to its pressure
Difference produces different induced signals, and the induced signal that piezoelectric membrane is produced measures fertilizer flow information, and fertilizer flow is believed
Breath is converted to data signal by signal conditioning circuit, and is transferred to processor module by wireless transport module I,
Detection unit II includes differential GPS standard station, vehicle GPS transceiver module and gps signal conditioning module, differential GPS benchmark
The GPS information that platform is detected to vehicle GPS transceiver module carries out difference processing and obtains velocity information, and velocity information is believed by GPS
Number conditioning module is converted to the accessible data signals of PLC, and is transferred to processor module by wireless transport module I；
Processor module sends instruction control execution unit action and by result after handling velocity information and flow information
Exported by display unit.
Described execution unit is the amount of broadcasting adjustment unit.
Described processor module uses PLC.
Described wireless transport module I and wireless transport module II use JF24D transceiver modules, JF24D transceiver modules
PIN1 connect 3.2V dc source positive sources, PIN10 ground connection, PIN2 connects output data port, and PIN5 connects input data port.
Utilize the speed and the control method of fertilizer amount synchronous control system of a kind of described fertilizing equipment, including following step
Suddenly：
Step one:The corresponding amount of the broadcasting L of different operating speed V are gathered by field test, variable fertilization standard database is set up.
Step 2：Detection unit 1 detects seeder GPS velocity information, and is converted into digit pulse rate signal V1；Simultaneously
Detection unit 2 detects seed manure flow information, and is converted into digit pulse flow signal L1；V1 signals and L1 signals are transmitted simultaneously
To processor module；
Step 3：Processor module is including as follows to the rate signal V1 obtained in step 2 and flow signal L1 processing
Step：
A) the V1 signal contrast standard databases of detection are obtained to the amount of the broadcasting L0 of theory；
B) the L1 signals of detection are compared with the theory amount of broadcasting L0, if L1>L0, calculates seed manure flow error value Δ S, root
Seed manure flow control signal is exported according to control information, control execution unit reduces seed manure flow, reaches theoretical value L0；L1<
L0, calculates the amount of broadcasting error amount Δ s, and seed manure flow control signal, control execution unit increase seed manure stream are exported according to control information
Amount, reaches theoretical value L0；L1=L0, now represents that the amount of broadcasting is approached with theoretical value, keeps seed manure flow constant；
Step 4：The reality that will be calculated in the amount of the broadcasting information L1 and GPS position information and step 3 that are detected in step 2
The border amount of broadcasting information L0 transmits into display unit display, in order to which user is checked in time by the display in seeder driving cabin
The amount of broadcasting and positional information.
The beneficial effects of the invention are as follows：The present invention is beneficial to the efficiency of the current seeder fertilising operation process of raising, accurate control
Dose processed, it is ensured that the nutritional information that field crops need, you can avoid the excessive generation for causing burn seedlings phenomenon of dose, section
Save fertilizer, can avoid again because dose is not enough, cause it is secondary topdress, use manpower and material resources sparingly, be favorably improved yield, save money
Source, can bring great economic benefit for peasant.
Brief description of the drawings
Fig. 1 is speed and dose sync control device structure chart.
Fig. 2 is speed and dose synchronous control system block diagram.
Embodiment
Shown in figure, embodiment is as follows：
A kind of speed of fertilizing equipment and fertilizer amount synchronous control system, including for detecting the detection unit of fertilizer flow information
I, the detection unit II for detecting mechanical speed of travel information, wireless transport module I, wireless transport module II, power module,
Processor module, performing module and display module, power module are detection unit I, detection unit II, wireless transport module I, nothing
Electric energy needed for line transport module II, processor module, performing module and display module are provided, detection unit I and detection unit II
It is connected by wireless transport module 1 with processor module, processor module is held signal output by wireless transport module II
Row unit and display unit,
Detection unit I includes piezoelectric membrane and signal conditioning circuit, by being connected with fertilizer storage device in automatic fertilization equipment
Piezoelectric membrane detect fertilizer changes in flow rate information, piezoelectric membrane is according to remaining fertilizer under different fertilising flows to its pressure
Difference produces different induced signals, and the induced signal that piezoelectric membrane is produced measures fertilizer flow information, and fertilizer flow is believed
Breath is converted to data signal by signal conditioning circuit, and is transferred to processor module by wireless transport module I,
Signal conditioning circuit includes operation amplifier circuit, ADC0809 chips, integrated sampling holder LF398.Detect that signal leads to
Integrated sampling holder LF398 is crossed, is then amplified by operational amplifier, then data signal is converted to by ADC0809 chips
It is transferred to signal processing module.
Detection unit II includes differential GPS standard station, vehicle GPS transceiver module and gps signal conditioning module, differential GPS
The GPS information that standard station is detected to vehicle GPS transceiver module carries out difference processing and obtains velocity information, and velocity information is passed through
Gps signal conditioning module is converted to the accessible data signals of PLC, and is transferred to processor module by wireless transport module I；
The rate signal of GPS outputs is actual displacement rate signal, such as when operation mechanical wheel tire skids, and does not produce displacement letter
Number, now speed is zero, can avoid fertilising.
In the operation process of fertilising, due to the complexity of field topography, using the rotating speed or land wheel for detecting power transmission shaft
Rotating speed, usually occurs error.The design uses GPS monitoring velocities and position signalling, improves the precision of detection operation speed
And positional information.
Present embodiment detects fertilizer flow information in discharging tube using piezoelectric transducer, according to fertilizer in discharging tube
Flowing, fertilizer produces different electric signals to the pressure signal of piezoelectric membrane with the difference of the amount of broadcasting machine flow rate information, according to
Matlab carries out typical correlation analysis to different electric signals and flow, linear regression model (LRM) is drawn, so that according to electricity
The detection of signal, according to model, draws fertilizer flow velocity information.Display unit can record simultaneously by combining gps satellite map
Show the dose information of relevant position.
Processor module sent after handling velocity information and flow information instruction control execution unit act and incite somebody to action
As a result exported by display unit.Execution unit includes the amount of broadcasting adjustment unit, the amount of broadcasting monitoring unit and seeding fertilizer unit, will
The amount of broadcasting Real-time Feedback realizes the closed-loop control to the amount of broadcasting, while the velocity information exported according to GPS is entered to the amount of broadcasting into processor
Row adjustment.
Described execution unit is the amount of broadcasting adjustment unit.
Described processor module uses PLC.
Described wireless transport module I and wireless transport module II use JF24D transceiver modules, JF24D transceiver modules
PIN1 connect 3.2V dc source positive sources, PIN10 ground connection, PIN2 connects output data port, and PIN5 connects input data port.
A kind of speed using a kind of described fertilizing equipment and the control method of fertilizer amount synchronous control system, including such as
Lower step：
Step one:The corresponding amount of the broadcasting L of different operating speed V are gathered by field test, variable fertilization standard database is set up.
Step 2：Detection unit 1 detects seeder GPS velocity information, and is converted into digit pulse rate signal V1；Simultaneously
Detection unit 2 detects seed manure flow information, and is converted into digit pulse flow signal L1；V1 signals and L1 signals are transmitted simultaneously
To processor module；
Step 3：Processor module is including as follows to the rate signal V1 obtained in step 2 and flow signal L1 processing
Step：
A) the V1 signal contrast standard databases of detection are obtained to the amount of the broadcasting L0 of theory；
B) the L1 signals of detection are compared with the theory amount of broadcasting L0, if L1>L0, calculates seed manure flow error value Δ S, root
Seed manure flow control signal is exported according to control information, control execution unit reduces seed manure flow, reaches theoretical value L0；L1<
L0, calculates the amount of broadcasting error amount Δ s, and seed manure flow control signal, control execution unit increase seed manure stream are exported according to control information
Amount, reaches theoretical value L0；L1=L0, now represents that the amount of broadcasting is approached with theoretical value, keeps seed manure flow constant；
Step 4：The reality that will be calculated in the amount of the broadcasting information L1 and GPS position information and step 3 that are detected in step 2
The border amount of broadcasting information L0 transmits into display unit display, in order to which user is checked in time by the display in seeder driving cabin
The amount of broadcasting and positional information.
It is preferred that, first in farm work, by the installation of small portable base station, pass through phase intercommunication between base station
Letter, using difference processing, improves the accuracy of base station location positioning.By the communication between vehicle GPS and base station, GPS is improved
The accuracy for positioning and testing the speed.
It is preferred that, gps signal can be converted into the rate signal that PLC can be handled directly by corresponding signal processing circuit,
PLC implements the control to execution unit by the processing to GPS velocity signal.
It is preferred that, display unit carries arm processor, the field that speed and the amount of broadcasting signal can be passed through exploitation certainly by gps signal
Between seed manure job management software be shown in display screen, while recordable relevant map information, user can observe in display screen
To the dose information in different plot.
It is preferred that, by broadcasting amount detection unit to the detection of the amount of broadcasting information and data being sent into PLC processor in real time,
PLC processor makes the control signal to broadcasting amount controller according to job offset and rate signal, while receiving the amount of broadcasting of feedback
Signal, makes the regulation to broadcasting amount controller in real time.
Technical scheme and embodiment cited by the present invention and non-limiting, with the technical scheme cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention is protected.
Claims (5)
1. a kind of speed of fertilizing equipment and fertilizer amount synchronous control system, it is characterised in that：Including for detecting fertilizer flow
The detection unit I of information, the detection unit II for detecting mechanical speed of travel information, wireless transport module I, are wirelessly transferred mould
Block II, power module, processor module, performing module and display module, power module are detection unit I, detection unit II, nothing
Electric energy needed for line transport module I, wireless transport module II, processor module, performing module and display module are provided, detection unit
I and detection unit II are connected by wireless transport module 1 with processor module, and processor module will by wireless transport module II
Signal output to execution unit and display unit,
Detection unit I includes piezoelectric membrane and signal conditioning circuit, by being connected with fertilizer storage device in automatic fertilization equipment
Piezoelectric membrane detect fertilizer changes in flow rate information, piezoelectric membrane is according to remaining fertilizer under different fertilising flows to its pressure
Difference produces different induced signals, and the induced signal that piezoelectric membrane is produced measures fertilizer flow information, and fertilizer flow is believed
Breath is converted to data signal by signal conditioning circuit, and is transferred to processor module by wireless transport module I,
Detection unit II includes differential GPS standard station, vehicle GPS transceiver module and gps signal conditioning module, differential GPS benchmark
The GPS information that platform is detected to vehicle GPS transceiver module carries out difference processing and obtains velocity information, and velocity information is believed by GPS
Number conditioning module is converted to the accessible data signals of PLC, and is transferred to processor module by wireless transport module I；
Processor module sends instruction control execution unit action and by result after handling velocity information and flow information
Exported by display unit.
2. a kind of speed of fertilizing equipment according to claim 1 and fertilizer amount synchronous control system, it is characterised in that：Institute
The execution unit stated is the amount of broadcasting adjustment unit.
3. a kind of speed of fertilizing equipment according to claim 1 and fertilizer amount synchronous control system, it is characterised in that：Institute
The processor module stated uses PLC.
4. a kind of speed of fertilizing equipment according to claim 1 and fertilizer amount synchronous control system, it is characterised in that：Institute
The wireless transport module I and wireless transport module II stated uses JF24D transceiver modules, and the PIN1 of JF24D transceiver modules connects
3.2V dc source positive sources, PIN10 ground connection, PIN2 connects output data port, and PIN5 connects input data port.
5. a kind of a kind of speed of fertilizing equipment described in utilization claim 1 and the controlling party of fertilizer amount synchronous control system
Method, it is characterised in that：Comprise the following steps：
Step one:The corresponding amount of the broadcasting L of different operating speed V are gathered by field test, variable fertilization standard database is set up；
Step 2：Detection unit 1 detects seeder GPS velocity information, and is converted into digit pulse rate signal V1；Detect simultaneously
Unit 2 detects seed manure flow information, and is converted into digit pulse flow signal L1；V1 signals and L1 signals are transferred to place simultaneously
Manage device module；
Step 3：Processor module is including as follows to the rate signal V1 obtained in step 2 and flow signal L1 processing
Step：
A) the V1 signal contrast standard databases of detection are obtained to the amount of the broadcasting L0 of theory；
B) the L1 signals of detection are compared with the theory amount of broadcasting L0, if L1>L0, calculates seed manure flow error value Δ S, root
Seed manure flow control signal is exported according to control information, control execution unit reduces seed manure flow, reaches theoretical value L0；L1<
L0, calculates the amount of broadcasting error amount Δ s, and seed manure flow control signal, control execution unit increase seed manure stream are exported according to control information
Amount, reaches theoretical value L0；L1=L0, now represents that the amount of broadcasting is approached with theoretical value, keeps seed manure flow constant；
Step 4：The reality that will be calculated in the amount of the broadcasting information L1 and GPS position information and step 3 that are detected in step 2
The border amount of broadcasting information L0 transmits into display unit display, in order to which user is checked in time by the display in seeder driving cabin
The amount of broadcasting and positional information.
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| CN201710568754.0A CN107247442A (en) | 2017-07-13 | 2017-07-13 | A kind of speed of fertilizing equipment and fertilizer amount synchronous control system and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108207213A (en) * | 2018-03-06 | 2018-06-29 | 中国农业大学 | A kind of electric drive formula feed mechanism for seed control system based on GPS |
| CN113692812A (en) * | 2021-07-28 | 2021-11-26 | 王孝媛 | Farmland biomass organic fertilizer fertilizing device based on Internet of things |
| CN114208461A (en) * | 2021-12-27 | 2022-03-22 | 中科合肥智慧农业协同创新研究院 | Chemical fertilizer sowing precise variable control method based on piezoelectric effect |
| CN115250699A (en) * | 2022-06-30 | 2022-11-01 | 安徽天平机械股份有限公司 | Seed and fertilizer sowing machine capable of synchronously controlling feeding speed and advancing speed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108207213A (en) * | 2018-03-06 | 2018-06-29 | 中国农业大学 | A kind of electric drive formula feed mechanism for seed control system based on GPS |
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| CN114208461A (en) * | 2021-12-27 | 2022-03-22 | 中科合肥智慧农业协同创新研究院 | Chemical fertilizer sowing precise variable control method based on piezoelectric effect |
| CN114208461B (en) * | 2021-12-27 | 2022-12-27 | 中科合肥智慧农业协同创新研究院 | Chemical fertilizer sowing precise variable control method based on piezoelectric effect |
| CN115250699A (en) * | 2022-06-30 | 2022-11-01 | 安徽天平机械股份有限公司 | Seed and fertilizer sowing machine capable of synchronously controlling feeding speed and advancing speed |
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