CN103543755A - Seeder depth control system - Google Patents
Seeder depth control system Download PDFInfo
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- CN103543755A CN103543755A CN201310172586.5A CN201310172586A CN103543755A CN 103543755 A CN103543755 A CN 103543755A CN 201310172586 A CN201310172586 A CN 201310172586A CN 103543755 A CN103543755 A CN 103543755A
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- depth
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Abstract
The invention discloses a seeder depth control system. Land unevenness is collected by an ultrasonic sensor and converted into an electrical signal; the electrical signal is transmitted to a PLC to process; processing results are output an analog output module; action of an electromagnetic valve is controlled; an oil cylinder is driven to descend or ascend; a ditcher depth regulator is controlled in real time. Seeding depth can be regulated quickly and accurately. Seeding depth of a seeder can be precisely controlled effectively. Related parameters can be set in real time through an embedded integrated touch screen. The touch screen is communicated with the PLC through a communication port. Related information acquired is centrally displayed in real time. The seeder depth control system has the advantages that the quality of crop planting is guaranteed, the copying form of each component of a seeding unit of the precision seeder can be designed into independent copying, and seeding depth can be independently controlled according to surface fluctuation.
Description
Technical field
The invention belongs to agricultural machinery control field, relate in particular to a kind of seeder depth control system.
Background technology
The depth of planting of precision drill is as one of index of being strict with in seeding process, it is larger for the impact of output, depth of planting is exactly to implant the soil thickness covering above underground seed, obviously, at surface irregularity not at ordinary times, even the consistent seed of horizontal depth on it the thickness of the layer also height differ, therefore, keep the consistent of depth of planting, with regard to controlling each plough of broadcasting row unit, all can move up and down with surface irregularity, it is profiling, to keep embedded depth consistent, the mechanical copying device of the many employings of seeder at present, there is structure relatively simple, cost is lower, without extra power, control, the plurality of advantages such as easy to maintenance, but copying accuracy is lower, the ability of controlling depth of planting is poor, when seeding operation is carried out in up-and-down knob, mechanical type copying system is difficult to accurately control depth of planting, there is the deep mixed situation about causing of depth of planting, have a strong impact on the output of crops, in order to realize agriculture sustainable development, precision drill seed level control technology just earns widespread respect and applies in the agricultural planting industry of countries in the world.
Seeder adopts electric liquid contour control system when low speed seeding operation, the profiling of electricity liquid copying system is respond well, depth of planting reaches planting requirement substantially, but during seeding operation speed, depth of planting comparison of coherence is poor, this is relevant with the response speed of hydraulic system, adopt electric liquid contour control system, when speed of drilling is very fast, due to the restriction of hydraulic system response speed, seeder copying accuracy is lower, can not reach the consistent requirement of precise sowing technology seed level.
No matter the development of at present external precision drill is in scientific and technological level, or all high than domestic aspect professional level, especially at the operating speed of seeder, sowing fabric width, the aspects such as sowing precision and manufacturing technology level are particularly outstanding, but due to the domestic crop varieties that is subject to, planting patterns, the aspect factor impacts such as regional condition, these external precision drills can't meet the precise sowing technical requirement of China completely, so must accelerate the flow of research of precision drill, work out as early as possible the precision drill that is applicable to China's agricultural development, for agricultural modernization development establish a firm foundation.
Summary of the invention
The object of the present invention is to provide a kind of seeder depth control system, the inconsistent problem of the degree of depth while being intended to solve existing planting with sowing machine.
The present invention is achieved in that a kind of seeder depth control system, and described seeder depth control system comprises:
Ultrasonic sensor, for gathering sowing ground degree of being uneven, and is converted to electric signal;
PLC controller, goes out inbound port by analog quantity and is connected with described ultrasonic sensor, and for realizing the accurate collection of the on-the-spot planting with sowing machine degree of depth and accurately controlling, real-time analysis, demonstration, process the data that collect;
Solenoid valve, is connected with the switching value output of described PLC controller, receives the control signal of PLC controller, for controlling decline and the rising of oil cylinder;
Oil cylinder, is connected with described solenoid valve, accepts the control of solenoid valve, for making corresponding decline and rising, and controls in real time the depth adjustment of plough;
Depth adjustment, is connected with described oil cylinder, is driven the degree of depth when adjusting planting with sowing machine operation by oil cylinder.
Touch-screen, is connected with described PLC controller by serial data output port, receives the signal of PLC controller, for realizing the setting of correlation parameter and demonstration, and the demonstration of the duty of current control system.
Further, described PLC controller is as control core, uses pid algorithm.
Further, the real-time setting to correlation parameter by embedded integrated realization of described touch-screen, by communication port, realize and the mutual communication of PLC controller, and in real time the relevant information collecting is carried out to centralized displaying.
Seeder depth control system provided by the invention, by adopting ultrasonic sensor to gather ground unevenness, the data that collect are sent into PLC controller to be processed accordingly, and result is outputed to analog output module, and then drive solenoid valve to move accordingly, and control decline or the rising of oil cylinder, this will control the depth adjustment of plough in real time, the degree of depth that guarantees to adjust rapidly and accurately seeding operation, realizes the accurate control of seeder seed level effectively.By embedded integrated touch-screen, realize the real-time setting to correlation parameter, touch-screen is realized and the communication of PLC controller by communication port, and in real time the relevant information collecting is carried out to centralized displaying.This System Assurance the operation quality of proportion of crop planting, the profiling form of determining each assembly of sowing unit of precision drill is independent contoured design, for surface relief degree, carry out the independent control of depth of planting, be easier to the susceptibility of independent setting and adjustment feeler mechanism profiling seeding operation, this system can keep the operation of engine steady load, higher copying accuracy is provided, overcomes more serious profiling problem of dtmf distortion DTMF.
Accompanying drawing explanation
Fig. 1 is the structural representation of the seeder depth control system that provides of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the structural drawing of seeder depth control system provided by the invention.For convenience of explanation, only show part related to the present invention.
A kind of seeder depth control system provided by the invention, this seeder depth control system comprises:
Ultrasonic sensor, for gathering sowing ground degree of being uneven, and is converted to electric signal;
PLC controller, is connected with ultrasonic sensor by analog input port, and for realizing the accurate collection of the on-the-spot planting with sowing machine degree of depth and accurately controlling, real-time analysis, demonstration, process the data that collect;
Solenoid valve, is connected with the output module of PLC controller, receives the control signal of PLC controller, for controlling decline and the rising of oil cylinder;
Oil cylinder, is connected with solenoid valve, accepts the control of solenoid valve, makes corresponding decline and rising, controls in real time the depth adjustment of plough;
Depth adjustment, is connected with oil cylinder, receives the adjusting of oil cylinder, the degree of depth when adjusting planting with sowing machine operation;
Touch-screen, is connected with PLC controller, receives the signal of PLC controller, for realizing the setting of correlation parameter and demonstration, and the demonstration of the duty of current control system.
As prioritization scheme of the present invention, PLC controller, as control core, uses pid algorithm.
Touch-screen is the real-time setting to correlation parameter by embedded realization, realizes and the mutual communication of PLC controller, and in real time the relevant information collecting is carried out to centralized displaying by communication port.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, seeder depth control system provided by the invention mainly by: ultrasonic sensing device 1, PLC controller 2, solenoid valve 3, oil cylinder 4, depth adjustment 5, touch-screen 6 form; Ultrasonic sensor 1 is connected with the load module of PLC controller 2; Solenoid valve 3 is connected with the output module of PLC controller 2, and solenoid valve 3 communicates with oil cylinder 4, and depth adjustment 5 is connected with oil cylinder 4; The serial data output terminal of touch-screen 6 is connected with the serial ports of PLC controller 2;
Ultrasonic sensor 1, for the collection to ground unevenness signal;
PLC controller 2, as control core, use pid algorithm, realization is to the accurate collection of the on-the-spot planting with sowing machine degree of depth and accurately control, real-time analysis, demonstration, the data that processing collects, and realize the setting of correlation parameter and demonstration by touch-screen, and the demonstration of the duty of current control system;
Solenoid valve 3, for controlling decline or the rising of oil cylinder 4;
Oil cylinder 4, for making corresponding decline or rising, and controls the depth adjustment 5 of plough in real time;
Depth adjustment 5, for adjusting the degree of depth of seeding operation;
Touch-screen 6, for realizing the setting of correlation parameter and demonstration, and the demonstration of the duty of current control system.
Principle of work of the present invention is:
Adopt the signal of 1 pair of ground unevenness of ultrasonic sensor to gather, the data that collect are sent into PLC controller 2 controllers to be processed accordingly, and result is outputed to analog output module, and then drive solenoid valve 3 to move accordingly, control decline or the rising of oil cylinder 4, this will control the depth adjustment 5 of plough in real time, guarantees to adjust rapidly and accurately the degree of depth of seeding operation, effectively realizes the accurate control of seeder seed level;
The real-time setting realizing correlation parameter by embedded integrated touch-screen 6, touch-screen 6 is realized and 2 communications of PLC controller by its communication port, and in real time the relevant information collecting is carried out to centralized displaying.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a seeder depth control system, is characterized in that, described seeder depth control system comprises:
Ultrasonic sensor, for gathering operation ground degree of being uneven, and is converted to electric signal;
PLC controller, is connected with described ultrasonic sensor by analog input port, and for realizing the accurate collection of the on-the-spot planting with sowing machine degree of depth and accurately controlling, real-time analysis, demonstration, process the data that collect;
Solenoid valve, is connected with the output module of described PLC controller, receives the control signal of PLC controller, for controlling decline and the rising of oil cylinder;
Oil cylinder, accepts the control of solenoid valve, for making corresponding decline and rising, and controls in real time the depth adjustment of plough;
Depth adjustment, is connected with described oil cylinder, driven by oil cylinder, the degree of depth when adjusting planting with sowing machine operation.
2. seeder depth control system as claimed in claim 1, is characterized in that, described seeder depth control system also comprises:
Touch-screen, is connected with described PLC controller by PORT COM, receives the signal of PLC controller, for realizing the setting of correlation parameter and demonstration, and the demonstration of the duty of current control system.
3. seeder depth control system as claimed in claim 1, is characterized in that, described PLC controller, as control core, uses pid algorithm, realizes stationarity and rapidity in tilling depth adjustment process.
4. seeder depth control system as claimed in claim 1, is characterized in that, described touch-screen is the real-time setting to correlation parameter by embedded integrated realization.
5. seeder depth control system as claimed in claim 1, it is characterized in that, described touch-screen is realized the mutual communication with PLC controller by communication port, operating personnel can be input to control parameter in PLC by touch-screen, and in real time the relevant information collecting are carried out to centralized displaying.
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|---|---|---|---|
| CN201310172586.5A CN103543755A (en) | 2013-05-10 | 2013-05-10 | Seeder depth control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310172586.5A CN103543755A (en) | 2013-05-10 | 2013-05-10 | Seeder depth control system |
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| CN103543755A true CN103543755A (en) | 2014-01-29 |
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| CN201310172586.5A Pending CN103543755A (en) | 2013-05-10 | 2013-05-10 | Seeder depth control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105105809A (en) * | 2015-06-26 | 2015-12-02 | 段书华 | Smart transportation device used for minimally invasive closure of patent ductus arteriosus |
| CN105874954A (en) * | 2016-04-22 | 2016-08-24 | 扬州大学 | Mechanized farming process |
| CN106352818A (en) * | 2016-09-22 | 2017-01-25 | 内蒙古农业大学 | Soft farmland ground unevenness testing device |
| CN106856701A (en) * | 2017-01-11 | 2017-06-20 | 宁波市种植业管理总站 | It is a kind of to improve the method that green vegetables gather in whole strain rate |
| CN107942649A (en) * | 2017-12-22 | 2018-04-20 | 中国农业大学 | With pressure automatic control system under position profiling planter |
| CN108976054A (en) * | 2018-09-25 | 2018-12-11 | 重庆文理学院 | A kind of novel environmentally protective ginger fertilizer and preparation method thereof |
| CN109005771A (en) * | 2018-07-19 | 2018-12-18 | 合肥艾派特知识产权运营有限公司 | A kind of plough |
| CN109005770A (en) * | 2018-07-19 | 2018-12-18 | 合肥艾派特知识产权运营有限公司 | A kind of seeder based on big data |
| CN109076746A (en) * | 2018-07-19 | 2018-12-25 | 合肥艾派特知识产权运营有限公司 | The intelligent plough of seeder |
| CN109804757A (en) * | 2019-02-27 | 2019-05-28 | 中国农业大学 | Automation seed level based on satellite navigation regulates and controls telescopic platform |
| CN109824313A (en) * | 2019-03-27 | 2019-05-31 | 山东省环境保护科学研究设计院有限公司 | A kind of environmental project waterproof layer, preparation method and construction method |
| CN110618648A (en) * | 2019-11-01 | 2019-12-27 | 安徽太湖画里天华实业有限公司 | Control system based on seeder of watering |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105809A (en) * | 2015-06-26 | 2015-12-02 | 段书华 | Smart transportation device used for minimally invasive closure of patent ductus arteriosus |
| CN105874954A (en) * | 2016-04-22 | 2016-08-24 | 扬州大学 | Mechanized farming process |
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| CN106856701A (en) * | 2017-01-11 | 2017-06-20 | 宁波市种植业管理总站 | It is a kind of to improve the method that green vegetables gather in whole strain rate |
| CN106856701B (en) * | 2017-01-11 | 2020-05-05 | 宁波市种植业管理总站 | Method for improving harvesting and whole-plant rate of green vegetables |
| CN107942649A (en) * | 2017-12-22 | 2018-04-20 | 中国农业大学 | With pressure automatic control system under position profiling planter |
| CN109005771A (en) * | 2018-07-19 | 2018-12-18 | 合肥艾派特知识产权运营有限公司 | A kind of plough |
| CN109005770A (en) * | 2018-07-19 | 2018-12-18 | 合肥艾派特知识产权运营有限公司 | A kind of seeder based on big data |
| CN109076746A (en) * | 2018-07-19 | 2018-12-25 | 合肥艾派特知识产权运营有限公司 | The intelligent plough of seeder |
| CN109005771B (en) * | 2018-07-19 | 2021-10-29 | 合肥宝妈机械设计有限公司 | Furrow opener |
| CN108976054A (en) * | 2018-09-25 | 2018-12-11 | 重庆文理学院 | A kind of novel environmentally protective ginger fertilizer and preparation method thereof |
| CN109804757A (en) * | 2019-02-27 | 2019-05-28 | 中国农业大学 | Automation seed level based on satellite navigation regulates and controls telescopic platform |
| CN109824313A (en) * | 2019-03-27 | 2019-05-31 | 山东省环境保护科学研究设计院有限公司 | A kind of environmental project waterproof layer, preparation method and construction method |
| CN110618648A (en) * | 2019-11-01 | 2019-12-27 | 安徽太湖画里天华实业有限公司 | Control system based on seeder of watering |
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Application publication date: 20140129 |