CN102084746A - Automatic reseeding device for planting leakage of precision planter - Google Patents
Automatic reseeding device for planting leakage of precision planter Download PDFInfo
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- CN102084746A CN102084746A CN 200910217935 CN200910217935A CN102084746A CN 102084746 A CN102084746 A CN 102084746A CN 200910217935 CN200910217935 CN 200910217935 CN 200910217935 A CN200910217935 A CN 200910217935A CN 102084746 A CN102084746 A CN 102084746A
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Abstract
The invention provides an automatic reseeding device for planting leakage of a precision planter, which belongs to machinery. The invention overcomes the shortages of planting leakage in the traditional planter and high cost and incapability of accurately reseeding in the prior art. The automatic reseeding device comprises a control system arranged on a seed-metering device and a warning system arranged in a cab. The control system of the seed-metering device comprises a main circuit board, a planting leakage monitor, a starting detector, an auxiliary seed-metering device, a main and an auxiliary seed-metering device synchronization detectors, a planting leakage monitor and an auxiliary seed-metering device drive motor, wherein the planting leakage monitor and the starting detector are arranged on the main seed-metering device, the auxiliary seed-metering device is arranged in the rear of the main seed-metering device, the main and the auxiliary seed-metering device synchronization detectors and the planting leakage monitor are arranged on the auxiliary seed-metering device. The invention has the advantages that the main and the auxiliary seed-metering devices are placed front and back, the spacing between the main and the auxiliary seed-metering devices is planting row spacing, seeds are accurately reseeded in time through the detection of a sensor, the control of a CPU and the cooperation work between the synchronism detectors and a stepper motor, and the problem of planting leakage of the precision planter is solved. Proved by tests, the planting rate of the precision planter provided by the invention reaches 99%.
Description
Technical field
The invention belongs to agricultural machinery, specifically, relate to a kind of broadcast leakage that is applied to regular drill and detect and accurately reseed device automatically, thereby reach the purpose of precise sowing.
The research background
The existing mechanical precision sower can have been saved seed, save the thinning recruitment, helped growth of seedlings in the sowing of field crops such as China's corn again because production technology is simple, cheap, is widely used.But because the limitation of simple mechanical structure, the broadcast leakage phenomenon is more outstanding in the sowing, is to strengthen the replay rate or utilize artificial follow-observation in sowing at broadcast leakage issue handling method in the past, and notice is stopped and reseeded.Strengthen replay rate waste seed, increased the workload of later stage thinning.Artificial follow-observation is in totally enclosed state owing to broadcast machine when seeding operation, only can't find broadcast leakage in time, exactly with people's audiovisual, yet often exist because of manufacturability defectives such as seeding box emptying, seeding unit fault, seeding turning cylinder are malfunctioning, cause delegation or several capable pipe of sowing normally to sow, cause " disconnected bar " broadcast leakage phenomenon.Simultaneously, frequent parking checking has caused the reduction of the low and seeding quality of productivity ratio again.Because of the large tracts of land that broadcast leakage causes is short of seedling and will be caused the underproduction significantly.Reseed after emerging, reseed part and affect adversely farming season, and the increase labour pays.Existing precision planter only depends on the design of improvement metering system to be difficult to thoroughly eliminate the broadcast leakage phenomenon.Improvement direction should be to be provided with kind of feedback information and to reseed automatic controls.Before this, the technical scheme of reseeding automatically after taking place about broadcast leakage, a kind of be control compressor air opening of valves realize reseeding reseed device automatically, it is more that it increases member, cost is higher.Another kind is to adopt monitoring to fall to planting whether evenly judge broadcast leakage, and with motor give the seed initial velocity with the method for the same pipe of sowing of main seeding unit, this kind method for supervising only can solve the broadcast leakage of " disconnected bar " formula, and motor performance is required height, can not in time precisely reseed.
Summary of the invention
The purpose of this invention is to provide a kind of precision sower broadcast leakage and reseed device automatically, overcome the broadcast leakage of existing sower existence and the cost height that existing improvement technology exists, the deficiency that can not precisely reseed.
The present invention is made up of the warning system that is installed in the seeding unit control system and be installed in the driver's cabin.The seeding unit control system comprises master board and is installed on broadcast leakage monitor on the main seeding unit, starts monitor, be installed in the secondary seeding unit at main seeding unit rear, major and minor seeding unit synchronizing indicator and broadcast leakage monitor on the secondary seeding unit, secondary seeding unit drive motors, startup monitor wherein is installed on the main seeding unit seeding lift-over moving axis, the code-disc of gap or magnetic patch is arranged or rolled and be fixed on the frame glazing or magnetic induction part constitutes by the edge.The broadcast leakage monitor is made of the light sensation sensor, is installed under the seeding unit outlet.The structure of the major and minor seeding unit synchronizing indicator on the secondary seeding unit is same as the startup monitor on the main seeding unit, is installed on the secondary seeding unit seeding roller bearing.Broadcast leakage monitor on the secondary seeding unit is identical with the broadcast leakage detector arrangement on the main seeding unit.The seeding unit main control board is connected with start-up detector, synchronous monitor, the broadcast leakage monitor of major-minor seeding unit, motor-driven respectively.Alarm module links to each other with the seeding unit master control system in wired or wireless mode.More than be basic scheme of the present invention.
The broadcast leakage monitor is installed between seeding unit and the plough among the present invention, secondary seeding unit structure is identical with main seeding unit is advisable.Install one at main seeding unit rear spacing in the rows position of secondary seeding unit, and put a scale at secondary seeding unit rear, and scale is a spacing in the rows, so that be the indication of broadcast leakage position thing to sit on body.
Seeding unit control assembly preferred device is among the present invention: single-chip microcomputer is a master controller; Major-minor seeding unit outlet seeding broadcast leakage sensor is 940nm LSSIR503E33 is infrared to form sending out pipe by 4 wavelength side by side, and spacing is the shortest width of corn seed; Start-up detector and synchronous monitor are made of with code-disc with identical footpath, seeding cave MOC70T4 direct-injection type photoelectric sensor; Stepper motor adopts 57BYGH202, and static torque 0.85N.m adopts tractor 12V storage battery power supply.Drive circuit adopts the A3977 chip.Be record, storage sowing information and the information that breaks down, the data memory module 24C256 that adopts power down not lose; For the transmission data are provided with wireless communication module ZJ863; For inquiring about corresponding information, 1602 LCDs of 32 character/screens are set.The radio alarming module is installed in the driver's cabin, and single-chip microcomputer is a master controller, is provided with the various information that wireless communication module ZJ863 receives seeding unit; Adopt voice module OTP YX0030AP and light emitting diode to come information.
Control software section of the present invention can have C or assembler language to write, use for the convenience of the user and adopt the menu operation pattern, specifically comprise following program module: submodule, inquiry broadcast leakage number of positions submodule are reseeded in the main program of choice menus, detection, inquiry has been broadcast and estimate output submodule, clock operation submodule, with host computer communicator module, parameter compositions such as submodule, factory reset submodule are set.Wherein detect and reseed in the submodule, also adopt outer 0 pattern of interrupting for start detection, calculate the time of twice detection simultaneously with timer, as the foundation of calculating the speed of a motor vehicle, whether interruption 1 is monitored to have to plant and is fallen outside this section adopted in the period, monitoring result according to outer interruption 1 just now when the second time, start detection was interrupted judges whether broadcast leakage, if not broadcast leakage record data, if broadcast leakage starts secondary seeding unit with current vehicle speed immediately and reseeds, judge sowing continuously with certain algorithm simultaneously, problems such as continuous broadcast leakage, write down corresponding data simultaneously, in time feed back to operator in the driver's cabin by wireless mode.
The operation principle of system of the present invention: when starting working, starter detects enabling signal, and whether system begins to start, fallen by main broadcast leakage monitor monitors master seeding unit seed between twice enabling signal, then writes down quantity if there is seed to fall.If main seeding unit broadcast leakage, single-chip microcomputer calculates the speed of closing on main seeding unit between twice start-up detector.Start secondary seeding unit with this speed immediately, make it to reseed.Even be secondary seeding unit fault, then by wireless module with LED and speech form notifying operation person.This broadcast leakage is reseeded also and is comprised: set in advance and reseed number of times continuously, surpass limit numerical value is set when reseeding number of times continuously, or secondary seeding unit reseeds when ging wrong, sending the indication of reporting to the police of stopping.Native system can also be inquired about data in the past, can inquire about and broadcast seed number, and carry out YIELD PREDICTION.Can also inquire about main seeding unit broadcast leakage situation, secondary seeding unit broadcast leakage and reseed situation shows by LCD, in time reseeds fully and to the seeding unit measuring mechanical property.Native system also can be connected with host computer, and data are imported in the calculator in order to the scientific research analysis.
Good effect of the present invention is to adopt to place before and after main seeding unit and the secondary seeding unit, and spacing detects by sensor for the spacing in the rows of sowing, Single-chip Controlling, synchronously monitor and stepper motor cooperative work in time, accurately reseed, have solved the difficult problem of precision sower broadcast leakage.Through test, precision sower planting rates of the present invention is installed is reached 99%.
Innovative point of the present invention:
(1) original discharging tube is removed, change the Lou square tube of kind of monitoring into, and closely be connected with plough.Reduce the fault rate that seed falls.
(2) innovation of monitoring seed broadcast leakage mode was adopted the monitoring seed to fall signal in the past and whether was evenly judged whether broadcast leakage, and native system is introduced the start detection device, by coaxial with main seeding unit seed wheel and constitute with the encoder and the Photo Interrupter of seeding cave with radius.When twice start-up detector signal produces, must there be a seed to discharge, sees between twice start-up detector signal that promptly whether the broadcast leakage monitor has signal to produce, and is not considered as broadcast leakage.Thereby reached the purpose of real-time monitoring.
(3) adopt the scheme that lags behind and reseed.Introduce secondary seeding unit, and it is identical with main seeding unit size, highly consistent, rotate with speed with main seeding unit, spacing in the rows position of the main seeding unit of distance, guaranteed identically with the sowing condition of main seeding unit like this, reseeding no longer by the discharging tube of main seeding unit of broadcast leakage discharged, but arrives this broadcast leakage position and reseed with the tractor secondary seeding unit that travels later at main seeding unit.When changing in same discharging tube, reseeding in the past like this, reduce the requirement of stepper motor speed and moment of torsion, heighten the precision of reseeding simultaneously.
(4) supply module of native system adopts the 12V level power supply of tractor fully, and can accurately write down sowing quantity, main seeding broadcast leakage position (being the position that secondary seeding is reseeded) and the equal broadcast leakage of major-minor seeding unit position, can also judge whether to broadcast leakage continuously etc.With above data record, can be connected with host computer then, provide data analysis, so that the follow-up production and the scientific research activities such as the situation of testing oneself of output estimation and sower performance.
(5) native system employing wireless mode is connected the control system in each seeding unit and the driver's cabin, gathers self and seeding state of each seeding unit by wireless mode, and timely notifying operation person.Simple installation, strong interference immunity, and do not need complicated circuit to connect.Reduced fault unnecessary in the operating process.
Description of drawings
Fig. 1 is the structural principle front view that broadcast leakage detected and reseeded automatically device.
Fig. 2 is the structural principle vertical view that broadcast leakage detected and reseeded automatically device.
Fig. 3 is major and minor seeding unit broadcast leakage detector vertical view.
Fig. 4 is sower master control way circuit figure.
Fig. 5 is wireless alarm way circuit figure.
Fig. 6 is a main program flow.
Embodiment
Consult Fig. 1, Fig. 2, on existing sower, set up master board 9, installation starts monitor 4 on main seeding unit broadcast leakage monitor 5, the main seeding unit seeding roller bearing 3 installing under the main seeding unit 2 and between the plough 10, secondary seeding unit 7 is installed on the position of the spacing in the rows in main seeding unit 2 rears, and secondary seeding unit 7 is identical with main seeding unit 2 structures.On the secondary seeding unit seeding roller bearing major and minor seeding unit synchronizing indicator 1 is installed.Between secondary seeding unit 7 and the plough secondary seeding unit broadcast leakage monitor 6 is installed, secondary seeding unit seeding roller bearing 8 connects stepper drive motors 12.Starting monitor 4 has the code-disc of gap or magnetic patch by the edge or rolls and be fixed on the frame glazing or magnetic induction part constitutes.Consult Fig. 3, broadcast leakage monitor 5 and 6 is made of the light sensation sensor.The structure of the major and minor seeding unit synchronizing indicator 1 on the secondary seeding unit and installation site are same as the startup monitor 4 on the main seeding unit.Broadcast leakage monitor 6 on the secondary seeding unit is identical with broadcast leakage detector 5 structures and installation site on the main seeding unit.A scale is put at secondary seeding unit rear, and scale is a spacing in the rows, so that be the indication of broadcast leakage position thing to sit on body.The seeding unit control circuit board is connected with start-up detector, synchronous monitor, the broadcast leakage monitor of major-minor seeding unit, motor-driven respectively.Alarm module links to each other with the seeding unit master control system in wired or wireless mode.
Consult Fig. 4, seeding unit control assembly preferred device is among the present invention: single-chip microcomputer is a main controller.Major-minor seeding unit outlet seeding broadcast leakage sensor is 940nm LSSIR503E33 is infrared to form sending out pipe by 4 wavelength side by side, and spacing is the shortest width of corn seed.Start-up detector and synchronous monitor are made of with code-disc with identical footpath, seeding cave MOC70T4 direct-injection type photoelectric sensor.Stepper motor adopts 57BYGH202, and static torque 0.85N.m is with tractor 12V storage battery power supply.Drive circuit adopts the A3977 chip.Be record, storage sowing information and the information that breaks down, the data memory module 24C256 that adopts power down not lose; For the transmission data are provided with wireless communication module ZJ863; For inquiring about corresponding information, 1602 LCDs of 32 character/screens are set.The radio alarming module is installed in the driver's cabin, and single-chip microcomputer is a master controller; Be provided with the various information that wireless communication module ZJ863 receives seeding unit; Adopt voice module OTP YX0030AP and light emitting diode to come information.
Consult Fig. 8, control software section of the present invention can have C or assembler language to write, use for the convenience of the user and adopt the menu operation pattern, specifically comprise following program module: submodule, inquiry broadcast leakage number of positions submodule are reseeded in the main program of choice menus, detection, inquiry has been broadcast and estimate output submodule, clock operation submodule, with host computer communicator module, parameter compositions such as submodule, factory reset submodule are set.Wherein detect and reseed in the submodule, also adopt outer 0 pattern of interrupting for start detection, calculate the time of twice detection simultaneously with timer, as the foundation of calculating the speed of a motor vehicle, whether interruption 1 is monitored to have to plant and is fallen outside this section adopted in the period, monitoring result according to outer interruption 1 just now when the second time, start detection was interrupted judges whether broadcast leakage, if not broadcast leakage record data, if broadcast leakage starts secondary seeding unit with current vehicle speed immediately and reseeds, judge sowing continuously with certain algorithm simultaneously, problems such as continuous broadcast leakage, write down corresponding data simultaneously, in time feed back to operator in the driver's cabin by wireless mode.
Claims (4)
1. device is reseeded in the precision sower broadcast leakage automatically, it is characterized in that: be made up of the warning system that is installed in the seeding unit control system and be installed in the driver's cabin; The seeding unit control system comprises master board and is installed on broadcast leakage monitor on the main seeding unit, starts monitor, be installed in the secondary seeding unit at main seeding unit rear, major and minor seeding unit synchronizing indicator and broadcast leakage monitor on the secondary seeding unit, secondary seeding unit drive motors; Startup monitor wherein is installed on the main seeding unit seeding lift-over moving axis, the code-disc of gap or magnetic patch is arranged or rolled and be fixed on the frame glazing or magnetic induction part constitutes by the edge; The broadcast leakage monitor is made of the light sensation sensor, is installed under the seeding unit outlet; The structure of the major and minor seeding unit synchronizing indicator on the secondary seeding unit is same as the startup monitor on the main seeding unit, is installed on the secondary seeding unit seeding roller bearing; Broadcast leakage monitor on the secondary seeding unit is identical with the broadcast leakage detector arrangement on the main seeding unit; The seeding unit master control circuit board respectively with start-up detector, synchronous monitor, the broadcast leakage monitor of major and minor seeding unit, motor-driven is connected; Alarm module links to each other with the seeding unit master control system in wired or wireless mode.
2. device is reseeded in precision sower broadcast leakage according to claim 1 automatically, it is characterized in that: the broadcast leakage monitor is installed between seeding unit and the plough, secondary seeding unit structure is identical with main seeding unit, install one at main seeding unit rear spacing in the rows position of secondary seeding unit, and put a scale at secondary seeding unit rear, scale label is a spacing in the rows.
3. device is reseeded in precision sower broadcast leakage according to claim 1 automatically, it is characterized in that: single-chip microcomputer is a master controller; Major-minor seeding unit outlet seeding broadcast leakage sensor is 940nm LSSIR503E33 is infrared to form sending out pipe by 4 wavelength side by side, and spacing is the shortest width of corn seed; Start-up detector and synchronous monitor are made of with code-disc with identical footpath, seeding cave MOC70T4 direct-injection type photoelectric sensor; Stepper motor adopts 57BYGH202, and static torque 0.85N.m is with tractor 12V storage battery power supply; Drive circuit adopts the A3977 chip; The data memory module 24C256 that record, storage sowing information and the information that breaks down adopt power down not lose; With wireless communication module ZJ863 transmission data; Inquire about 1602 LCDs that corresponding information is provided with 32 character/screens; The radio alarming module is installed in the driver's cabin, and single-chip microcomputer is a master controller; Be provided with the various information that wireless communication module ZJ863 receives seeding unit; Adopt voice module OTPYX0030AP and light emitting diode to come information.
4. device is reseeded in precision sower broadcast leakage according to claim 1 automatically, it is characterized in that: the control software section is write with C or assembler language, adopt the menu operation pattern, institute comprises program module to be had: the main program of choice menus, detect reseed submodule, inquiry broadcast leakage number of positions submodule, inquiry has been broadcast and estimate output submodule, clock operation submodule, with host computer communicator module, parameter submodule, factory reset submodule composition are set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217935 CN102084746B (en) | 2009-12-02 | 2009-12-02 | Automatic reseeding device for planting leakage of precision planter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217935 CN102084746B (en) | 2009-12-02 | 2009-12-02 | Automatic reseeding device for planting leakage of precision planter |
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| CN102084746A true CN102084746A (en) | 2011-06-08 |
| CN102084746B CN102084746B (en) | 2013-06-26 |
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| CN 200910217935 Expired - Fee Related CN102084746B (en) | 2009-12-02 | 2009-12-02 | Automatic reseeding device for planting leakage of precision planter |
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| CN102771226A (en) * | 2012-08-23 | 2012-11-14 | 黑龙江省海轮王农机制造有限公司 | Sowing machine based on automatic control system |
| CN102948288A (en) * | 2011-08-30 | 2013-03-06 | 华中农业大学 | Miss-seeding detection device of small-particle size seed precision seeding apparatus |
| CN102968079A (en) * | 2012-10-31 | 2013-03-13 | 长春理工大学 | Seeding monitoring system of corn precision seeder |
| CN103609234A (en) * | 2013-12-10 | 2014-03-05 | 山东省农业机械科学研究院 | Miss-seeding compensation system of intelligent seeder |
| CN104041212A (en) * | 2014-02-12 | 2014-09-17 | 安徽京田机械股份有限公司 | Corn precise amount seeder |
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| CN104396393A (en) * | 2014-11-24 | 2015-03-11 | 华中农业大学 | Solenoid-type step rapeseed reseeding system |
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| CN106416535A (en) * | 2016-07-18 | 2017-02-22 | 柳州好顺科技有限公司 | Seed filling control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5406897A (en) * | 1993-04-30 | 1995-04-18 | Agco Corporation | Planter with narrow row spacing capability |
| CN1568644A (en) * | 2003-07-24 | 2005-01-26 | 中国农业大学 | Miss seeding automatic compensating unit and method thereof |
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| CN102948288A (en) * | 2011-08-30 | 2013-03-06 | 华中农业大学 | Miss-seeding detection device of small-particle size seed precision seeding apparatus |
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| CN102968079A (en) * | 2012-10-31 | 2013-03-13 | 长春理工大学 | Seeding monitoring system of corn precision seeder |
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| CN103609234A (en) * | 2013-12-10 | 2014-03-05 | 山东省农业机械科学研究院 | Miss-seeding compensation system of intelligent seeder |
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| CN106961890A (en) * | 2017-03-28 | 2017-07-21 | 青岛理工大学 | A kind of automatically controlled air-sweeping type precision seeder |
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| CN111142518B (en) * | 2019-12-16 | 2020-11-20 | 农业农村部南京农业机械化研究所 | Self-adaptive seeding control system based on unmanned technology and control method thereof |
| CN113608476A (en) * | 2021-08-06 | 2021-11-05 | 青岛农业大学 | Missing seeding detection and compensation system of air-suction type peanut seeder |
| CN113973548A (en) * | 2021-10-21 | 2022-01-28 | 江苏省农业科学院泰州农科所 | Manned purple yam cultivation machine and cultivation method thereof |
| CN114868493A (en) * | 2022-05-06 | 2022-08-09 | 重庆市农业科学院 | Potato miss-seeding monitoring and reseeding system and control method |
| CN114868493B (en) * | 2022-05-06 | 2023-10-17 | 重庆市农业科学院 | Potato miss-seeding monitoring and reseeding system and control method |
| CN115443774A (en) * | 2022-09-30 | 2022-12-09 | 黑龙江北大荒现代农业服务集团众荣农机有限公司 | Electric control double-seedling air-carrying type precision seeder |
| CN115443774B (en) * | 2022-09-30 | 2023-09-22 | 黑龙江北大荒现代农业服务集团众荣农机有限公司 | Automatically controlled two seedling area tolerance formula precision planter |
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