CN102385318B - Method and device for control of tillage-free seeding machine seeding quantity - Google Patents
Method and device for control of tillage-free seeding machine seeding quantity Download PDFInfo
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Abstract
A method and a device for control of tillage-free seeding machine seeding quantity are used for control of the tillage-free seeding machine seeding quantity of fine and little amount seeding and precise fertilization according to earth fertilizer quantity. The method comprises the following steps: a loading numerical information of seeding machine operation areas; b variable seeding feedback; c acquiring real time position coordinate information; and d precisely controlling fertilization according to prescriptions. The device comprises an onboard computer installed on the seeding machine, onboard global positioning system (GPS) navigation system, a variable seeding feedback device and a precise fertilization control device. The numerical information of the seeding machine operation areas is loaded on the onboard computer, the GPS navigation system, the variable seeding feedback device and the precise fertilization control device are respectively connected with the onboard computer through an onboard signal processing circuit.
Description
Technical field
The present invention relates to a kind of accurate control method and device of agricultural machinery equipment online measuring technique, particularly a kind of tillage-free seeding machine seeding quantity.
Background technology
Sowing is the important step in agricultural production, is the basis that guarantees the high yield good harvest.The technical matters that solves is precisely to control for the application rate of no-tillage seeding machine, as realizes that maize dibbling becomes grain apart from precisely controlling, and can realize simple grain, equidistant sowing, and precisely sowing can be saved elite seed in a large number.Sow every mu of corn and can save 2.5-3kg; Cotton can be saved 5kg; Soybean can be saved 1.5kg; Millet can be saved 0.31kg.Precise sowing can be saved thinning man-hour or save the thinning operation fully, and the crop seedling is even, seedling is neat, seedling is strong, the seedling ventilation and penetrating light, and room is reasonable, and plant ontogeny is healthy and strong, and colony's growing way is balanced, obvious effect of increasing production, economic results in society are better.
The anti-broadcast leakage monitoring technology of seeder usually adopt infrared light sensation to pipe as monitoring sensor, when seed passes through discharging tube regularly, the blocking infrared beam, make photoelectric conversion device output electric pulse signal, flicker regularly, display screen work and accumulative total application rate, when seeder delegation or number row generation sowing port card type, perhaps when plough delegation or number row generation obstruction, pulse signal flows to the fault-signal indication of each sowing row, send light, acoustical signal, show nature of trouble and position, loudspeaker sends chimes of doom.But photoelectric method is extremely unreliable under the farm work condition, is easy to by contamination by dust, causes malfunctioning.
The patent No. is " ZL200920068712.1 ", name is called the disclosed application rate governor motion of Chinese utility model patent of " the application rate governor motion of rice seeder ", adopted link gear on seeder, can realize the synchronous adjustment of flow rate, this control method by motor or fluid motor-driven feed mechanism, the open loop control of application rate and rate of fertilizer application can be realized, but actual application rate precision is low, application request can not be met.How effectively tillage-free seeding machine seeding quantity being carried out closed loop and precisely control, is one of problem demanding prompt solution in the precision agriculture control field.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of control method and device of realizing the sowing of defective ejaculation amount and carrying out the tillage-free seeding machine seeding quantity of Tree Precise Fertilization by the fertile amount demand in soil.
To achieve these goals, the invention provides a kind of control method of tillage-free seeding machine seeding quantity, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, wherein, comprise the steps:
The numerical information step of a, loading seeder operating area: load the numerical map of described seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application on the truck-mounted computer of seeder;
B, quantity-variation type seeding feedback step: the weight information that obtains respectively seeder case, fertile case, discharging tube and defertilizing tube by being arranged on weight signal harvester on seeder, obtain the speed of travel information of described seeder by the rate signal harvester that is arranged on seeder, and by the cab signal treatment circuit, described weight information and described speed of travel information are sent into truck-mounted computer;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position by the vehicle GPS Position Fixing Navigation System;
D, by the prescription map Tree Precise Fertilization, control step: truck-mounted computer is with the comparison of the numerical information of described weight information, described speed of travel information and described real-time coordinate information and described seeder operating area, obtain seeder position place application rate and the rate of fertilizer application data adjustment information by prescription map, and by the cab signal treatment circuit, will be somebody's turn to do seeding control device that application rate and rate of fertilizer application data adjustment information by prescription map be transferred to respectively described seeder and fertilizer control device to realize quantity-variation type seeding and variable fertilization.
The control method of above-mentioned tillage-free seeding machine seeding quantity wherein, also comprises:
E, broadcast leakage and replay detecting step: by measuring simultaneously seed and fertilizer at the discharging tube of described kind of case and the capacitance of defertilizing tube, then according to the instantaneous delivery of the instantaneous mass flow derivation of equation described seed of calculating and fertilizer, to detect, whether broadcast leakage and replay are arranged.
The control method of above-mentioned tillage-free seeding machine seeding quantity, wherein, described step e comprises:
The capacitance signal harvester that e1, utilization are arranged on respectively described discharging tube and described defertilizing tube obtains by the seed of described discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, by the cab signal treatment circuit, described electric capacity data message is sent into truck-mounted computer;
E3, truck-mounted computer calculate the instantaneous delivery of described seed and fertilizer according to described electric capacity data message, contrast application rate and rate of fertilizer application data message in the numerical information of described seeder operating area at this instantaneous delivery and described seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
The control method of above-mentioned tillage-free seeding machine seeding quantity, wherein, described step e also comprises:
E5, alert step: if described judgment result is that is by the alarm module of truck-mounted computer, to send the warning message of broadcast leakage or replay.
The control method of above-mentioned tillage-free seeding machine seeding quantity, wherein, the formula of instantaneous delivery that calculates described seed and fertilizer is as follows:
Q＝10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is flow rate.
in order to realize better above-mentioned purpose, the present invention also provides a kind of control device of tillage-free seeding machine seeding quantity, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, wherein, comprise the truck-mounted computer that is arranged on seeder, the vehicle GPS Position Fixing Navigation System, quantity-variation type seeding feedback assembly and Tree Precise Fertilization control device, be mounted with the numerical information of seeder operating area on described truck-mounted computer, described vehicle GPS Position Fixing Navigation System, described quantity-variation type seeding feedback assembly and described Tree Precise Fertilization control device are connected with described truck-mounted computer by the cab signal treatment circuit respectively.
the control device of above-mentioned tillage-free seeding machine seeding quantity, wherein, described quantity-variation type seeding feedback assembly comprises weight signal harvester and speed of travel signal pickup assembly, described Tree Precise Fertilization control device comprises seeding control device and fertilizer control device, the numerical information of described seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application, described weight signal harvester respectively with the kind case of described seeder be connected case and be connected, described speed of travel signal pickup assembly is arranged on the live axle of described seeder, described seeding control device is connected with the feed shaft of described kind of case, described fertilizer control device is connected with the fertilizer expelling shaft of described fertile case.
The control device of above-mentioned tillage-free seeding machine seeding quantity, wherein, described quantity-variation type seeding feedback assembly also comprises for the broadcast leakage of described seeder and the capacitance signal harvester of detection of replaying, described capacitance signal harvester is separately positioned on the kind case and fertile case of described seeder, and described capacitance signal harvester is connected with described truck-mounted computer by the cab signal treatment circuit.
The control device of above-mentioned tillage-free seeding machine seeding quantity, wherein, described truck-mounted computer comprises host computer and slave computer controller, described host computer respectively with described vehicle GPS Position Fixing Navigation System be connected the slave computer controller and be connected, the numerical information of described seeder operating area is loaded in described host computer, and described slave computer controller is connected with described weight signal harvester, described speed of travel signal pickup assembly, described seeding control device and described fertilizer control device respectively.
The control device of above-mentioned tillage-free seeding machine seeding quantity, wherein, described seeding control device comprises seeding electric machine controller and seeding servomotor, described seeding electric machine controller respectively with described slave computer controller be connected the seeding servomotor and be connected, described seeding servomotor is connected with the feed shaft of described kind of case, described fertilizer control device comprises fertilizer electric machine controller and fertilizer servomotor, described fertilizer electric machine controller respectively with described slave computer controller be connected the fertilizer servomotor and be connected, described fertilizer servomotor is connected with the fertilizer expelling shaft of described kind of case.
Technique effect of the present invention is:
When 1, seeder carries out seeding operation in field, the a pair of pressure transducer that supports kind of case detects the weight of seed in kind of case in good time, speed probe implements to provide the speed of seeder walking, according to the application rate that sets in advance, contrast current application rate, can carry out the Real-time Feedback adjustment to the feed shaft rotating speed;
2, the present invention adopts capacitance method carry out broadcast leakage and replay and detect, and is namely simple, practical, reliable again.The present invention provides an effective way for solving the accurate control problem of No-tillage Maize Planter application rate, the advantages such as that corresponding measuring and controlling has is simple in structure, easy installation.
The present invention uses the No-tillage Maize Planter of Variable Control technology, and the maize dibbling grain is apart from adjustable from 10cm to 20cm, and using of fertilizer, can apply fertilizer according to the operation prescription map, and control accuracy reaches 5%.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is method flow diagram of the present invention;
Fig. 2 be one embodiment of the invention the control system block diagram;
Fig. 3 is the apparatus structure block diagram of one embodiment of the invention;
Fig. 4 is the apparatus structure schematic diagram of one embodiment of the invention.
Wherein, Reference numeral
1 truck-mounted computer
11 host computers
12 slave computer controllers
2 vehicle GPS Position Fixing Navigation Systems
3 quantity-variation type seeding feedback assemblys
31 weight signal harvesters
32 speed of travel signal pickup assemblies
33 capacitance signal harvesters
4 Tree Precise Fertilization control device
41 seeding control device
411 seeding electric machine controllers
412 seeding servomotors
42 fertilizer control device
421 fertilizer electric machine controllers
422 fertilizer servomotors
7 seeders
71 kinds of casees
712 feed shafts
72 fertile casees
722 fertilizer expelling shafts
73 live axles
8 cab signal treatment circuits
The numerical information of 10 seeder operating areas
A～e step
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in detail:
Application rate what on the Crop yield and quality impact greatly; What of rate of fertilizer application, not only affect Crop yield and quality, also environment and water resource had extremely important impact.Utilization of the present invention is based on the detection technique and the feedback control technology that utilizes motor of weight method and capacitance method, according to sowing and fertilising operation prescription map, realize the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out Tree Precise Fertilization, realization is on the basis of saving seed and fertilizer, improve crop yield and quality, simultaneously environmental contamination reduction.
Referring to Fig. 1, Fig. 1 is method flow diagram of the present invention.The control method of tillage-free seeding machine seeding quantity of the present invention, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, comprises the steps:
The numerical information step of a, loading seeder operating area: load the numerical map of described seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application on the truck-mounted computer of seeder;
B, quantity-variation type seeding feedback step: the weight information that obtains respectively seeder case, fertile case, discharging tube and defertilizing tube by being arranged on weight signal harvester on seeder, obtain the speed of travel information of described seeder by the rate signal harvester that is arranged on seeder, and by the cab signal treatment circuit, described weight information and described speed of travel information are sent into truck-mounted computer;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position by the vehicle GPS Position Fixing Navigation System;
d, control step by the prescription map Tree Precise Fertilization: truck-mounted computer is with described weight information, the numerical information of described speed of travel information and described real-time coordinate information and described seeder operating area relatively, obtain application rate and the rate of fertilizer application data adjustment information of place, seeder position by prescription map, application rate and rate of fertilizer application prescription map have provided the needed application rate of each coordinate points and rate of fertilizer application, contrast application rate and the rate of fertilizer application of current seeder, current application rate and rate of fertilizer application cut application rate required on prescription map and rate of fertilizer application, be application rate and the rate of fertilizer application data adjustment information of place, seeder position by prescription map, to be somebody's turn to do seeding control device that application rate and rate of fertilizer application data adjustment information by prescription map be transferred to respectively described seeder and fertilizer control device to realize quantity-variation type seeding and variable fertilization by the cab signal treatment circuit.
Wherein, this method also can comprise:
E, broadcast leakage and replay detecting step: by measuring simultaneously seed and fertilizer at the discharging tube of described kind of case and the capacitance of defertilizing tube, then according to the instantaneous delivery of the instantaneous mass flow derivation of equation described seed of calculating and fertilizer, to detect, whether broadcast leakage and replay are arranged.
This step e comprises:
The capacitance signal harvester that e1, utilization are arranged on respectively described discharging tube and described defertilizing tube obtains by the seed of described discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, by the cab signal treatment circuit, described electric capacity data message is sent into truck-mounted computer;
E3, truck-mounted computer calculate the instantaneous delivery of described seed and fertilizer according to described electric capacity data message, contrast application rate and rate of fertilizer application data message in the numerical information of described seeder operating area at this instantaneous delivery and described seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
Described step e also can comprise:
E5, alert step: if described judgment result is that is by the alarm module of truck-mounted computer, to send the warning message of broadcast leakage or replay.
Wherein, the formula of the instantaneous delivery of the described seed of calculating and fertilizer is as follows:
Q＝10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is flow rate.
Referring to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 be one embodiment of the invention the control system block diagram, Fig. 3 is the apparatus structure block diagram of one embodiment of the invention, Fig. 4 is the apparatus structure schematic diagram of one embodiment of the invention.the control device of tillage-free seeding machine seeding quantity of the present invention, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, comprise the truck-mounted computer 1 that is arranged on seeder 7, vehicle GPS Position Fixing Navigation System 2, quantity-variation type seeding feedback assembly 3 and Tree Precise Fertilization control device 4, be mounted with the numerical information 10 of seeder operating area on described truck-mounted computer 1, described vehicle GPS Position Fixing Navigation System 2, described quantity-variation type seeding feedback assembly 3 and described Tree Precise Fertilization control device 4 are connected with described truck-mounted computer 1 by cab signal treatment circuit 8 respectively.
described quantity-variation type seeding feedback assembly 3 comprises weight signal harvester 31 and speed of travel signal pickup assembly 32, described Tree Precise Fertilization control device 4 comprises seeding control device 41 and fertilizer control device 42, the numerical information 10 of described seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application, described weight signal harvester 31 respectively with the kind case 71 of described seeder 7 be connected case 72 and be connected, described speed of travel signal pickup assembly 32 is arranged on the live axle 73 of described seeder 7, described seeding control device 41 is connected with the feed shaft of described kind of case 71, described fertilizer control device 42 is connected with the fertilizer expelling shaft of described fertile case 72.
Device of the present invention also can comprise for the broadcast leakage of described seeder 7 and the capacitance signal harvester 33 of detection of replaying, described capacitance signal harvester 33 is separately positioned on the kind case 71 and fertile case 72 of described seeder 7, and described capacitance signal harvester 33 is connected with described truck-mounted computer 1 by cab signal treatment circuit 8.
Described truck-mounted computer 1 comprises host computer 11 and slave computer controller 12, described host computer 11 respectively with described vehicle GPS Position Fixing Navigation System 2 be connected slave computer controller 12 and be connected, the numerical information 10 of described seeder operating area (being the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application) is loaded in 11 li of described host computers, and described slave computer controller 12 is connected with described weight signal harvester 31, described speed of travel signal pickup assembly 32, described seeding control device 41 and described fertilizer control device 42 respectively.Described slave computer controller 12 also is connected with described capacitance signal harvester 33.
described seeding control device 41 comprises seeding electric machine controller 411 and seeding servomotor 412, described seeding electric machine controller 411 respectively with described slave computer controller 12 be connected seeding servomotor 412 and be connected, described seeding servomotor 412 is connected with the feed shaft 712 of described kind of case 71, described fertilizer control device 42 comprises fertilizer electric machine controller 421 and fertilizer servomotor 422, described fertilizer electric machine controller 421 respectively with described slave computer controller 12 be connected fertilizer servomotor 422 and be connected, described fertilizer servomotor 422 is connected with the fertilizer expelling shaft 722 of described kind of case 71.
Referring to Fig. 2, in the present embodiment, vehicle GPS Position Fixing Navigation System 2, discharging tube are installed and join fertile pipe detecting sensor (being setting pressure sensor and capacitive transducer on the discharging tube at kind of case 71 and defertilizing tube in the present embodiment), kind case and fertile case weight sensor, feed shaft and fertilizer expelling shaft rotating speed and control the devices such as motor, control circuit on seeder 7, the setting pressure sensor, as weight signal harvester 3, is installed capacitive transducer as capacitance signal harvester 9 on discharging tube and defertilizing tube.The detection amount of beginning sowing in good time and rate of fertilizer application, host computer 11 receive Information Monitoring and with application rate and the rate of fertilizer application of expectation, contrast, calculation deviation, and according to vehicle to run speed, output feed shaft, fertilizer expelling shaft expectation rotating speed, control motor and realize quantity-variation type seeding and variable fertilization.
The numerical map in loading operation zone on host computer 11, given operation prescription map, input mu application rate and mu rate of fertilizer application, connect vehicle GPS Position Fixing Navigation System 2, slave computer controller 12 etc.Slave computer controller 12 gathers pressure sensor data, discharging tube and defertilizing tube pressure sensor data and discharging tube and the defertilizing tube electric capacity data of the speed of travel (in the present embodiment, this speed of travel signal pickup assembly 4 adopts Hall element), kind case 71 and the fertile case 72 of seeder 7, is transferred to after treatment host computer 11.Host computer 11 obtains the coordinate information of no-tillage seeding machine position simultaneously from vehicle GPS Position Fixing Navigation System 2, in conjunction with given application rate and the rate of fertilizer application of operation prescription map and every mu, by the CAN bus with the required application rate at seeder 7 places, positions and rate of fertilizer application data transmission to slave computer controller 12.Slave computer controller 12 is transferred to seeding electric machine controller 411, fertilizer electric machine controller 421 by the D/A output terminal with control signal, control seeding servomotor 412,422 rotations of fertilizer servomotor, drive feed shaft 712 and fertilizer expelling shaft 722 and press the given rotating speed rotation, thereby realize quantity-variation type seeding and fertilising.Soil types, nutrient, soil moisture content and landform distribute and there are differences in field,, in order to make the monoblock field emerge neatly, grow vigorously, need to position seeder 7 at seeding time, according to the sowing prescription map, adjust at any time by embedded controller or airborne computer 1 amount of sowing, realize quantity-variation type seeding.How much due to flow rate is to be determined by difference regional, season; What of defertilizing amount, it is the difference that distributes according to soil fertility, according to soil nutrient, the demand of fertilizer is adjusted in good time, so seeding and fertilizer, need the two different control device of cover to control, namely controlled by seeding control device 41 and 42 pairs of kind casees 71 of fertilizer control device and fertile case 72 respectively., to each case 71 and fertile case 72,, due to the difference of soil nutrient,, through analyze soil fertility in good time, also should be different control device., in the situation that control accuracy is not too high, can adopt 41, two fertile casees 72 of same set of seeding control device to adopt same set of fertilizer control device 42 by two kind casees 71.
It is starting point and the foundation of variable fertilization research that there is significantly variation in soil nutrient.The positional information that receives according to vehicle GPS Position Fixing Navigation System 2 reads Fertilization prescription chart information in real time, by variable control system regulated fertilization amount.Airborne computer can show the farmland electronic chart, and the parameters such as machine forwarding speed and the actual rate of fertilizer application of unit area.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. the control method of a tillage-free seeding machine seeding quantity, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, it is characterized in that, comprises the steps:
The numerical information step of a, loading seeder operating area: load the numerical map of described seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application on the truck-mounted computer of seeder;
B, quantity-variation type seeding feedback step: the weight information that obtains respectively seeder case, fertile case, discharging tube and defertilizing tube by being arranged on weight signal harvester on seeder, obtain the speed of travel information of described seeder by the speed of travel signal pickup assembly that is arranged on seeder, and by the cab signal treatment circuit, described weight information and described speed of travel information are sent into truck-mounted computer;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position by the vehicle GPS Position Fixing Navigation System;
D, by the prescription map Tree Precise Fertilization, control step: truck-mounted computer is with the comparison of the numerical information of described weight information, described speed of travel information and described real-time coordinate information and described seeder operating area, obtain seeder position place application rate and the rate of fertilizer application data adjustment information by prescription map, and by the cab signal treatment circuit, will be somebody's turn to do seeding control device that application rate and rate of fertilizer application data adjustment information by prescription map be transferred to respectively described seeder and fertilizer control device to realize quantity-variation type seeding and variable fertilization.
2. the control method of tillage-free seeding machine seeding quantity as claimed in claim 1, is characterized in that, also comprises:
E, broadcast leakage and replay detecting step: by measuring simultaneously seed and fertilizer at the discharging tube of described kind of case and the capacitance of defertilizing tube, then according to the instantaneous delivery of the instantaneous mass flow derivation of equation described seed of calculating and fertilizer, to detect, whether broadcast leakage and replay are arranged.
3. the control method of tillage-free seeding machine seeding quantity as claimed in claim 2, is characterized in that, described step e comprises:
The capacitance signal harvester that e1, utilization are arranged on respectively described discharging tube and described defertilizing tube obtains by the seed of described discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, by the cab signal treatment circuit, described electric capacity data message is sent into truck-mounted computer;
E3, truck-mounted computer calculate the instantaneous delivery of described seed and fertilizer according to described electric capacity data message, contrast application rate and rate of fertilizer application data message in the numerical information of described seeder operating area at this instantaneous delivery and described seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
4. the control method of tillage-free seeding machine seeding quantity as claimed in claim 3, is characterized in that, described step e also comprises:
E5, alert step: if described judgment result is that is by the alarm module of truck-mounted computer, to send the warning message of broadcast leakage or replay.
5. the control method of tillage-free seeding machine seeding quantity as claimed in claim 2, is characterized in that, the formula of instantaneous delivery that calculates described seed and fertilizer is as follows:
Q=10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is flow rate.
6. the control device of a tillage-free seeding machine seeding quantity, be used for the sowing of defective ejaculation amount and by the fertile amount demand in soil, carry out the control of the tillage-free seeding machine seeding quantity of Tree Precise Fertilization, it is characterized in that, comprise the truck-mounted computer that is arranged on seeder, the vehicle GPS Position Fixing Navigation System, quantity-variation type seeding feedback assembly and Tree Precise Fertilization control device, be mounted with the numerical information of seeder operating area on described truck-mounted computer, described vehicle GPS Position Fixing Navigation System, described quantity-variation type seeding feedback assembly and described Tree Precise Fertilization control device are connected with described truck-mounted computer by the cab signal treatment circuit respectively, described truck-mounted computer obtains the real-time coordinate information of seeder position by the vehicle GPS Position Fixing Navigation System, described quantity-variation type seeding feedback assembly comprises weight signal harvester and speed of travel signal pickup assembly, described weight signal harvester respectively with the kind case of described seeder be connected case and be connected to obtain respectively the seeder case, fertile case, the weight information of discharging tube and defertilizing tube, described speed of travel signal pickup assembly is arranged on the live axle of described seeder to obtain the speed of travel information of described seeder, by described cab signal treatment circuit, described weight information and described speed of travel information are sent into described truck-mounted computer, described Tree Precise Fertilization control device comprises seeding control device and fertilizer control device, the numerical information of described seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application, described seeding control device is connected with the feed shaft of described kind of case, described fertilizer control device is connected with the fertilizer expelling shaft of described fertile case, described truck-mounted computer is with described weight information, the numerical information of described speed of travel information and described real-time coordinate information and described seeder operating area relatively, obtain application rate and the rate of fertilizer application data adjustment information of place, seeder position by prescription map, and by the cab signal treatment circuit, will be somebody's turn to do by the application rate of prescription map and rate of fertilizer application data adjustment information and be transferred to respectively described seeding control device and fertilizer control device to realize quantity-variation type seeding and variable fertilization.
7. the control device of tillage-free seeding machine seeding quantity as claimed in claim 6, it is characterized in that, described quantity-variation type seeding feedback assembly also comprises for the broadcast leakage of described seeder and the capacitance signal harvester of detection of replaying, described capacitance signal harvester is separately positioned on the kind case and fertile case of described seeder, and described capacitance signal harvester is connected with described truck-mounted computer by the cab signal treatment circuit.
8. as the control device of claim 6 or 7 described tillage-free seeding machine seeding quantities, it is characterized in that, described truck-mounted computer comprises host computer and slave computer controller, described host computer respectively with described vehicle GPS Position Fixing Navigation System be connected the slave computer controller and be connected, the numerical information of described seeder operating area is loaded in described host computer, and described slave computer controller is connected with described weight signal harvester, described speed of travel signal pickup assembly, described seeding control device and described fertilizer control device respectively.
9. the control device of tillage-free seeding machine seeding quantity as claimed in claim 8, it is characterized in that, described seeding control device comprises seeding electric machine controller and seeding servomotor, described seeding electric machine controller respectively with described slave computer controller be connected the seeding servomotor and be connected, described seeding servomotor is connected with the feed shaft of described kind of case, described fertilizer control device comprises fertilizer electric machine controller and fertilizer servomotor, described fertilizer electric machine controller respectively with described slave computer controller be connected the fertilizer servomotor and be connected, described fertilizer servomotor is connected with the fertilizer expelling shaft of described kind of case.
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| CN102630410B (en) * | 2012-05-11 | 2014-07-16 | 吉林大学 | Missed seeding monitoring and positioning system for seeding machine and missed seeding monitoring and positioning method |
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