CN102385318A - 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 agricultural machinery equipment online measuring technique, particularly a kind of accurate control method and device of no-tillage seeding machine application rate.
Background technology
Sowing is the important step in the agricultural production, is the basis that guarantees the high yield good harvest.The technical matters that solves is precisely to control to the application rate of no-tillage seeding machine, becomes grain apart from precisely control as realizing the corn program request, 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 practice thrift 2.5-3kg; Cotton can be practiced thrift 5kg; Soybean can be practiced thrift 1.5kg; Millet can be practiced thrift 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 adopts infrared light sensation to managing as monitoring sensor usually, when seed passes through discharging tube regularly, and 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 of each sowing row and indicates, and sends 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 "; On seeder, adopted link gear, can realize the synchronous adjustment of flow rate, this control method through motor or fluid motor-driven feed mechanism; The open loop control of application rate and rate of fertilizer application can be realized, application request can not be satisfied but actual application rate precision is low.How effectively the no-tillage seeding machine application rate 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 provides a kind of control method and device of the no-tillage seeding machine application rate that realizes defective ejaculation amount sowing and precisely apply fertilizer by the fertile amount demand in soil.
To achieve these goals, the invention provides a kind of control method of no-tillage seeding machine application rate, be used for defective ejaculation amount sowing and the control of the no-tillage seeding machine application rate of precisely applying fertilizer by the fertile amount demand in soil, wherein, comprise the steps:
The numerical information step of a, loading seeder operating area: on the truck-mounted computer of seeder, load the numerical map of said seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application;
B, quantity-variation type seeding feedback step: through being installed in the weight information that weight signal harvester on the seeder obtains to sow machine case, fertile case, discharging tube and defertilizing tube respectively; Through being installed in the speed of travel information that rate signal harvester on the seeder obtains said seeder, and said weight information and said speed of travel information are sent into truck-mounted computer through the cab signal treatment circuit;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position through the vehicle GPS Position Fixing Navigation System;
D, by the prescription map controlled step of precisely applying fertilizer: truck-mounted computer is with the numerical information of said weight information, said speed of travel information and said real-time coordinate information and said seeder operating area relatively; Obtain seeder position place application rate and rate of fertilizer application data adjustment information, and 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 said seeder respectively and fertilizer control device with realization quantity-variation type seeding and variable fertilization through the cab signal treatment circuit by prescription map.
The control method of above-mentioned no-tillage seeding machine application rate wherein, also comprises:
E, broadcast leakage and replay detect step: through measuring seed and fertilizer simultaneously at the discharging tube of said kind of case and the capacitance of defertilizing tube, whether the instantaneous delivery that calculates said seed and fertilizer according to the instantaneous mass flow derivation of equation again has broadcast leakage and replay with detection.
The control method of above-mentioned no-tillage seeding machine application rate, wherein, said step e comprises:
The capacitance signal harvester that e1, utilization are installed in said discharging tube and said defertilizing tube respectively obtains through the seed of said discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, said electric capacity data message is sent into truck-mounted computer through the cab signal treatment circuit;
E3, truck-mounted computer calculate the instantaneous delivery of said seed and fertilizer according to said electric capacity data message; Contrast application rate and rate of fertilizer application data message in the numerical information of said seeder operating area at this instantaneous delivery and said seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
The control method of above-mentioned no-tillage seeding machine application rate, wherein, said step e also comprises:
E5, alert step: if said judged result is for being then to send the warning message of broadcast leakage or replay through the alarm module of truck-mounted computer.
The control method of above-mentioned no-tillage seeding machine application rate, wherein, the formula of instantaneous delivery that calculates said seed and fertilizer is following:
Q＝10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is a flow rate.
In order to realize above-mentioned purpose better; The present invention also provides a kind of control device of no-tillage seeding machine application rate; The control of the no-tillage seeding machine application rate that is used for defective ejaculation amount sowing and precisely applies fertilizer by the fertile amount demand in soil; Wherein, Comprise truck-mounted computer, vehicle GPS Position Fixing Navigation System, the quantity-variation type seeding feedback assembly that is installed on the seeder and the control device that precisely applies fertilizer, be mounted with the numerical information of seeder operating area on the said truck-mounted computer, said vehicle GPS Position Fixing Navigation System, said quantity-variation type seeding feedback assembly and said accurate fertilising control device are connected with said truck-mounted computer through the cab signal treatment circuit respectively.
The control device of above-mentioned no-tillage seeding machine application rate; Wherein, Said quantity-variation type seeding feedback assembly comprises weight signal harvester and speed of travel signal pickup assembly; Said accurate fertilising control device comprises seeding control device and fertilizer control device; The numerical information of said seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application, and said weight signal harvester is connected with fertile case with the kind case of said seeder respectively, and said speed of travel signal pickup assembly is arranged on the live axle of said seeder; Said seeding control device is connected with the feed shaft of said kind of case, and said fertilizer control device is connected with the fertilizer expelling shaft of said fertile case.
The control device of above-mentioned no-tillage seeding machine application rate; Wherein, Said quantity-variation type seeding feedback assembly also comprises broadcast leakage that is used for said seeder and the capacitance signal harvester of replaying and detecting; Said capacitance signal harvester is separately positioned on the kind case and fertile case of said seeder, and said capacitance signal harvester is connected with said truck-mounted computer through the cab signal treatment circuit.
The control device of above-mentioned no-tillage seeding machine application rate; Wherein, Said truck-mounted computer comprises host computer and slave computer controller; Said host computer is connected with said slave computer controller with said vehicle GPS Position Fixing Navigation System respectively, and the numerical information of said seeder operating area is loaded in the said host computer, and said slave computer controller is connected with said weight signal harvester, said speed of travel signal pickup assembly, said seeding control device and said fertilizer control device respectively.
The control device of above-mentioned no-tillage seeding machine application rate; Wherein, Said seeding control device comprises seeding electric machine controller and seeding servomotor; Said seeding electric machine controller is connected with said seeding servomotor with said slave computer controller respectively, and said seeding servomotor is connected with the feed shaft of said kind of case, and said fertilizer control device comprises fertilizer electric machine controller and fertilizer servomotor; Said fertilizer electric machine controller is connected with said fertilizer servomotor with said slave computer controller respectively, and said fertilizer servomotor is connected with the fertilizer expelling shaft of said kind of case.
Technique effect of the present invention is:
When 1, seeder carries out seeding operation in the field; The a pair of pressure transducer that supports kind of case detects the weight of seed in kind of the case in good time; Speed probe implements to provide the speed of seeder walking; According to the application rate that configures in advance, contrast current application rate, can carry out real-time feedback adjustment to the feed shaft rotating speed;
2, the present invention adopts capacitance method to carry out broadcast leakage and the detection of replaying, and is promptly simple, practical, reliable again.The present invention provides an effective way for solving the accurate control problem of no-till maize machine application rate, and corresponding measuring and controlling has advantages such as simple in structure, easy installation.
The present invention uses the no-till maize machine of Variable Control technology, and corn program request grain is apart from adjustable from 10cm to 20cm, and using of fertilizer can be applied fertilizer according to the operation prescription map, and control accuracy reaches 5%.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is a 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 synoptic 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 accurate fertilising 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 done concrete description:
What are very big to crop yield and quality influence for application rate; What of rate of fertilizer application not only influence crop yield and quality, also environment and water resource are had extremely important influence.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; Realization defective ejaculation amount is sowed and is precisely applied fertilizer by the fertile amount demand in soil; Be implemented on the basis of practicing thrift seed and fertilizer, improve crop yield and quality, reduce environmental pollution simultaneously.
Referring to Fig. 1, Fig. 1 is a method flow diagram of the present invention.The control method of no-tillage seeding machine application rate of the present invention is used for defective ejaculation amount sowing and the control of the no-tillage seeding machine application rate of precisely applying fertilizer by the fertile amount demand in soil, comprises the steps:
The numerical information step of a, loading seeder operating area: on the truck-mounted computer of seeder, load the numerical map of said seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application;
B, quantity-variation type seeding feedback step: through being installed in the weight information that weight signal harvester on the seeder obtains to sow machine case, fertile case, discharging tube and defertilizing tube respectively; Through being installed in the speed of travel information that rate signal harvester on the seeder obtains said seeder, and said weight information and said speed of travel information are sent into truck-mounted computer through the cab signal treatment circuit;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position through the vehicle GPS Position Fixing Navigation System;
D, by the prescription map controlled step of precisely applying fertilizer: truck-mounted computer is with the numerical information of said weight information, said speed of travel information and said real-time coordinate information and said 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 needed application rate of each coordinate points and rate of fertilizer application; Contrast the application rate and the rate of fertilizer application of current seeder; Current application rate and rate of fertilizer application cut application rate required on the prescription map and rate of fertilizer application; Be seeder position place application rate and rate of fertilizer application data adjustment information, 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 said seeder respectively and fertilizer control device with realization quantity-variation type seeding and variable fertilization through the cab signal treatment circuit by prescription map.
Wherein, this method also can comprise:
E, broadcast leakage and replay detect step: through measuring seed and fertilizer simultaneously at the discharging tube of said kind of case and the capacitance of defertilizing tube, whether the instantaneous delivery that calculates said seed and fertilizer according to the instantaneous mass flow derivation of equation again has broadcast leakage and replay with detection.
This step e comprises:
The capacitance signal harvester that e1, utilization are installed in said discharging tube and said defertilizing tube respectively obtains through the seed of said discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, said electric capacity data message is sent into truck-mounted computer through the cab signal treatment circuit;
E3, truck-mounted computer calculate the instantaneous delivery of said seed and fertilizer according to said electric capacity data message; Contrast application rate and rate of fertilizer application data message in the numerical information of said seeder operating area at this instantaneous delivery and said seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
Said step e also can comprise:
E5, alert step: if said judged result is for being then to send the warning message of broadcast leakage or replay through the alarm module of truck-mounted computer.
Wherein, it is following to calculate the formula of instantaneous delivery of said seed and fertilizer:
Q＝10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is a 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 synoptic diagram of one embodiment of the invention.The control device of no-tillage seeding machine application rate of the present invention; The control of the no-tillage seeding machine application rate that is used for defective ejaculation amount sowing and precisely applies fertilizer by the fertile amount demand in soil; Comprise truck-mounted computer 1, vehicle GPS Position Fixing Navigation System 2, the quantity-variation type seeding feedback assembly 3 that is installed on the seeder 7 and the control device 4 that precisely applies fertilizer; Be mounted with the numerical information 10 of seeder operating area on the said truck-mounted computer 1, said vehicle GPS Position Fixing Navigation System 2, said quantity-variation type seeding feedback assembly 3 and said accurate fertilising control device 4 are connected with said truck-mounted computer 1 through cab signal treatment circuit 8 respectively.
Said quantity-variation type seeding feedback assembly 3 comprises weight signal harvester 31 and speed of travel signal pickup assembly 32; Said accurate fertilising control device 4 comprises seeding control device 41 and fertilizer control device 42; The numerical information 10 of said seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application; Said weight signal harvester 31 is connected with fertile case 72 with the kind case 71 of said seeder 7 respectively; Said speed of travel signal pickup assembly 32 is arranged on the live axle 73 of said seeder 7; Said seeding control device 41 is connected with the feed shaft of said kind of case 71, and said fertilizer control device 42 is connected with the fertilizer expelling shaft of said fertile case 72.
Device of the present invention also can comprise broadcast leakage that is used for said seeder 7 and the capacitance signal harvester 33 of replaying and detecting; Said capacitance signal harvester 33 is separately positioned on the kind case 71 and fertile case 72 of said seeder 7, and said capacitance signal harvester 33 is connected with said truck-mounted computer 1 through cab signal treatment circuit 8.
Said truck-mounted computer 1 comprises host computer 11 and slave computer controller 12; Said host computer 11 is connected with said slave computer controller 12 with said vehicle GPS Position Fixing Navigation System 2 respectively; The numerical information 10 of said 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 said host computers, and said slave computer controller 12 is connected with said weight signal harvester 31, said speed of travel signal pickup assembly 32, said seeding control device 41 and said fertilizer control device 42 respectively.Said slave computer controller 12 also is connected with said capacitance signal harvester 33.
Said seeding control device 41 comprises seeding electric machine controller 411 and seeding servomotor 412; Said seeding electric machine controller 411 is connected with said seeding servomotor 412 with said slave computer controller 12 respectively; Said seeding servomotor 412 is connected with the feed shaft 712 of said kind of case 71; Said fertilizer control device 42 comprises fertilizer electric machine controller 421 and fertilizer servomotor 422; Said fertilizer electric machine controller 421 is connected with said fertilizer servomotor 422 with said slave computer controller 12 respectively, and said fertilizer servomotor 422 is connected with the fertilizer expelling shaft 722 of said kind of case 71.
Referring to Fig. 2; In the present embodiment; Vehicle GPS Position Fixing Navigation System 2, discharging tube are installed on seeder 7 and are joined fertile pipe detecting sensor (being setting pressure sensor and capacitive transducer on the discharging tube of kind of case 71 and defertilizing tube in the present embodiment), plant case and fertile case weight sensor, feed shaft and fertilizer expelling shaft rotating speed are controlled devices such as motor, control circuit; The setting pressure sensor is installed capacitive transducer as capacitance signal harvester 9 as weight signal harvester 3 on discharging tube and defertilizing tube.Detection amount of beginning sowing in good time and rate of fertilizer application, host computer 11 receive Information Monitoring and contrast with application rate of expecting and rate of fertilizer application, calculation deviation, and according to vehicle to run speed, output feed shaft, fertilizer expelling shaft expectation rotating speed, control motor realization 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 is gathered pressure sensor data, discharging tube and defertilizing tube pressure sensor data and the discharging tube and the defertilizing tube electric capacity data of the speed of travel (this speed of travel signal pickup assembly 4 adopts Hall element in the present embodiment), kind case 71 and the fertile case 72 of seeder 7, is transferred to host computer 11 after treatment.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 the given application rate and the rate of fertilizer application of operation prescription map and every mu, the required application rate at place, seeder 7 positions is arrived slave computer controller 12 with the rate of fertilizer application data transmission through the CAN bus.Slave computer controller 12 is transferred to seeding electric machine controller 411, fertilizer electric machine controller 421 through the D/A output terminal with control signal; Control seeding servomotor 412, fertilizer servomotor 422 rotate; Drive feed shaft 712 and press the given rotating speed rotation, thereby realize quantity-variation type seeding and fertilising with fertilizer expelling shaft 722.Soil types, nutrient, soil moisture content and landform distribute in the field and there are differences; In order to make the monoblock field emerge neatly, grow vigorously, need at seeding time seeder 7 to be positioned, according to the sowing prescription map; At any time adjust the amount of sowing through embedded controller or airborne computer 1, realize quantity-variation type seeding.Because how much 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 two cover different control unit to control, and are promptly controlled by seeding control device 41 and 42 pairs of kind casees of fertilizer control device 71 and fertile case 72 respectively.To each case 71 and fertile case 72, because the difference of soil nutrient through analyze soil fertility in good time, also should be different control unit.Under the not too high situation of control accuracy, 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 the 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 fertilising prescription map information in real time, regulates rate of fertilizer application through variable control system.Airborne computer can show the farmland electronic chart, and 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; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the control method of a no-tillage seeding machine application rate is used for the sowing of defective ejaculation amount and the control of the no-tillage seeding machine application rate of precisely applying fertilizer by the fertile amount demand in soil, it is characterized in that, comprises the steps:
The numerical information step of a, loading seeder operating area: on the truck-mounted computer of seeder, load the numerical map of said seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application;
B, quantity-variation type seeding feedback step: through being installed in the weight information that weight signal harvester on the seeder obtains to sow machine case, fertile case, discharging tube and defertilizing tube respectively; Through being installed in the speed of travel information that rate signal harvester on the seeder obtains said seeder, and said weight information and said speed of travel information are sent into truck-mounted computer through the cab signal treatment circuit;
C, obtain real time position coordinate information step: truck-mounted computer obtains the real-time coordinate information of seeder position through the vehicle GPS Position Fixing Navigation System;
D, by the prescription map controlled step of precisely applying fertilizer: truck-mounted computer is with the numerical information of said weight information, said speed of travel information and said real-time coordinate information and said seeder operating area relatively; Obtain seeder position place application rate and rate of fertilizer application data adjustment information, and 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 said seeder respectively and fertilizer control device with realization quantity-variation type seeding and variable fertilization through the cab signal treatment circuit by prescription map.
2. the control method of no-tillage seeding machine application rate as claimed in claim 1 is characterized in that, also comprises:
E, broadcast leakage and replay detect step: through measuring seed and fertilizer simultaneously at the discharging tube of said kind of case and the capacitance of defertilizing tube, whether the instantaneous delivery that calculates said seed and fertilizer according to the instantaneous mass flow derivation of equation again has broadcast leakage and replay with detection.
3. the control method of no-tillage seeding machine application rate as claimed in claim 2 is characterized in that, said step e comprises:
The capacitance signal harvester that e1, utilization are installed in said discharging tube and said defertilizing tube respectively obtains through the seed of said discharging tube and defertilizing tube and the electric capacity data message of fertilizer;
E2, said electric capacity data message is sent into truck-mounted computer through the cab signal treatment circuit;
E3, truck-mounted computer calculate the instantaneous delivery of said seed and fertilizer according to said electric capacity data message; Contrast application rate and rate of fertilizer application data message in the numerical information of said seeder operating area at this instantaneous delivery and said seeder position place, judge seeder whether broadcast leakage or replay;
E4, export above-mentioned judged result.
4. the control method of no-tillage seeding machine application rate as claimed in claim 3 is characterized in that, said step e also comprises:
E5, alert step: if said judged result is for being then to send the warning message of broadcast leakage or replay through the alarm module of truck-mounted computer.
5. the control method of no-tillage seeding machine application rate as claimed in claim 2 is characterized in that, the formula of instantaneous delivery that calculates said seed and fertilizer is following:
Q＝10.275934C-16.66165
Wherein, C is the electric capacity semi-invariant, the pf of unit;
Q is a flow rate.
6. the control device of a no-tillage seeding machine application rate; The control of the no-tillage seeding machine application rate that is used for defective ejaculation amount sowing and precisely applies fertilizer by the fertile amount demand in soil; It is characterized in that; Comprise truck-mounted computer, vehicle GPS Position Fixing Navigation System, the quantity-variation type seeding feedback assembly that is installed on the seeder and the control device that precisely applies fertilizer; Be mounted with the numerical information of seeder operating area on the said truck-mounted computer, said vehicle GPS Position Fixing Navigation System, said quantity-variation type seeding feedback assembly and said accurate fertilising control device are connected with said truck-mounted computer through the cab signal treatment circuit respectively.
7. the control device of no-tillage seeding machine application rate as claimed in claim 6; It is characterized in that; Said quantity-variation type seeding feedback assembly comprises weight signal harvester and speed of travel signal pickup assembly; Said accurate fertilising control device comprises seeding control device and fertilizer control device; The numerical information of said seeder operating area comprises the numerical map of seeder operating area, given operation prescription map, mu application rate and mu rate of fertilizer application, and said weight signal harvester is connected with fertile case with the kind case of said seeder respectively, and said speed of travel signal pickup assembly is arranged on the live axle of said seeder; Said seeding control device is connected with the feed shaft of said kind of case, and said fertilizer control device is connected with the fertilizer expelling shaft of said fertile case.
8. the control device of no-tillage seeding machine application rate as claimed in claim 7; It is characterized in that; Said quantity-variation type seeding feedback assembly also comprises broadcast leakage that is used for said seeder and the capacitance signal harvester of replaying and detecting; Said capacitance signal harvester is separately positioned on the kind case and fertile case of said seeder, and said capacitance signal harvester is connected with said truck-mounted computer through the cab signal treatment circuit.
9. like the control device of claim 7 or 8 described no-tillage seeding machine application rates; It is characterized in that; Said truck-mounted computer comprises host computer and slave computer controller; Said host computer is connected with said slave computer controller with said vehicle GPS Position Fixing Navigation System respectively; The numerical information of said seeder operating area is loaded in the said host computer, and said slave computer controller is connected with said weight signal harvester, said speed of travel signal pickup assembly, said seeding control device and said fertilizer control device respectively.
10. the control device of no-tillage seeding machine application rate as claimed in claim 9; It is characterized in that; Said seeding control device comprises seeding electric machine controller and seeding servomotor; Said seeding electric machine controller is connected with said seeding servomotor with said slave computer controller respectively, and said seeding servomotor is connected with the feed shaft of said kind of case, and said fertilizer control device comprises fertilizer electric machine controller and fertilizer servomotor; Said fertilizer electric machine controller is connected with said fertilizer servomotor with said slave computer controller respectively, and said fertilizer servomotor is connected with the fertilizer expelling shaft of said kind of case.
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Cited By (23)
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| CN102630407A (en) * | 2012-05-11 | 2012-08-15 | 吉林大学 | System and method for monitoring work state of seeder in real time |
| CN102630410A (en) * | 2012-05-11 | 2012-08-15 | 吉林大学 | Missed seeding monitoring and positioning system for seeding machine and missed seeding monitoring and positioning method |
| CN102799133A (en) * | 2012-08-23 | 2012-11-28 | 黑龙江省海轮王农机制造有限公司 | Automatic control method for seeder |
| CN102799134A (en) * | 2012-08-23 | 2012-11-28 | 黑龙江省海轮王农机制造有限公司 | Automatic seeder control system based on dual-core embedded controller |
| CN103270837A (en) * | 2013-06-05 | 2013-09-04 | 湖南农业大学 | Variable seeding control system and method based on pressure sensor |
| CN105723840A (en) * | 2016-03-12 | 2016-07-06 | 申忠领 | Intelligent seeder capable achieving controllable seed discharging |
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| CN110915373A (en) * | 2019-12-10 | 2020-03-27 | 上海交通大学 | Multifunctional precision seeding monomer |
| CN113273338A (en) * | 2021-05-24 | 2021-08-20 | 辽宁机电职业技术学院 | No-tillage seeding and fertilizing machine |
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