CN201993602U - Rape automatic variable seeding control system - Google Patents
Rape automatic variable seeding control system Download PDFInfo
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- CN201993602U CN201993602U CN201020587294XU CN201020587294U CN201993602U CN 201993602 U CN201993602 U CN 201993602U CN 201020587294X U CN201020587294X U CN 201020587294XU CN 201020587294 U CN201020587294 U CN 201020587294U CN 201993602 U CN201993602 U CN 201993602U
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Abstract
The utility model relates to a rape automatic variable seeding control system and provides an agricultural operation system capable of accurately controlling a variable in the seeding process of rapes. A required seeding rate can be directly input according to the requirement of a field; comprehensive calculation is carried out according to the input seeding rate and a forward speed of a machine tool; and finally a pulse for controlling the seeding rate is output so as to control the rotating speed of a stepping motor. Meanwhile, a seeding rate detection device is arranged at a seed discharging port for detecting the seeding rate and feeding back the seeding rate to a main control chip. A closed loop feedback system is formed by an integrated system, so that the requirement on accurate and variable seeding is met. Moreover, a user only needs to operate a keyboard with hands to input. The rape automatic variable seeding control system is simple and convenient to operate and has obvious effect.
Description
Technical field
What the utility model related generally to is the control system research of rape being carried out quantity-variation type seeding, belongs to the rural power technical field.
Background technology
The tradition seeder uses ground wheel drive feed mechanism for seed, and the ground wheel drag is big, skids easily, turn over behind the rice harvesting, soil surface has 30% stubble covering at least, and stalk and weeds weaken the adhesion of land wheel, land wheel skids more serious, and seeding uniformity can't be guaranteed; The amount of broadcasting of precision drill is regulated also difficulty in the production, and traditional method is after manually calculating the pairing feed shaft rotating speed of the amount of broadcasting that needs, and manually changes different sprocket wheels, more complicated, waste time and energy, and this kind adjusting have the level, be difficult to reach the requirement of precise sowing; Traditional rape seed mode is to use a fixing application rate, but, and use this moment traditional seeding method just to cause the waste of seed easily and influence output because soil fertility causes the every needed application rate difference in field in the surrounding environment difference (illumination, humidity, air permeability etc.) in the difference in different plot, every block of soil, the difference of sowing season, different reasons such as crop varieties.
The utility model content
The technical problems to be solved in the utility model is, problem at above-mentioned prior art existence, a kind of control system that can realize the rape quantity-variation type seeding is proposed, this control system can be carried out quantity-variation type seeding according to the needs in every field, improve crop yield, increased economic benefit, improved land utilization ratio to greatest extent.
For addressing the above problem, the utility model is at first analysed in depth the various factors of the influence amount of broadcasting under study for action, and the major influence factors that draws the amount of broadcasting by analysis is the pace of the rotating speed and the facility of feed shaft.Then eccentric wheel hole roller formula feed mechanism for seed is carried out the rotating speed rating test, and carry out comprehensive computing, obtain the functional relation between the rotating speed, the per hectare amount of broadcasting, facility pace three of feed mechanism for seed with the pace of facility.Change into signal and input to main control chip, the pulse of a control amount of broadcasting of main control chip output is controlled the rotating speed of stepper motor, broadcasts amount detecting device simultaneously and is installed in sowing port and the amount of broadcasting is detected and feeds back to main control chip, forms closed loop feedback system.
Rape automatic variable seeding and control system, can directly import the needed amount of broadcasting according to the field needs, the amount of broadcasting according to input is carried out comprehensive computing with the pace of facility, export the pulse of a control amount of broadcasting at last, rotating speed to stepper motor is controlled, broadcasting amount detecting device simultaneously is installed in sowing port and the amount of broadcasting is detected and feeds back to main control chip, and at photoelectric sensor of sowing port installation, be used for the input amount of broadcasting detection signal, total system forms a closed loop feedback system, utilize photoelectric sensor that the grain number of discharging seed is counted, calculate the amount of broadcasting according to mass of 1000 kernel then and feed back to main control chip, main control chip is analyzed comparison, if having deviation just to recomputate with the amount of broadcasting of input and export new pulse signal and give stepper motor driver.
The utility model carries out the rotating speed rating test to eccentric wheel hole roller formula feed mechanism for seed, analyze of the influence of feed mechanism for seed rotating speed to discharge capacity, and under each rotating speed, Seeding Uniformity and each row discharge capacity consistance are tested, find out the seeding stability of characteristics, meet the linear relation between the q of the seeding rotation speed n of seeding requirement and discharge capacity, then and the pace of facility carry out comprehensive computing obtain between the rotating speed, the per hectare amount of broadcasting, facility pace three of feed mechanism for seed functional relation f (Q)=(n, v).
The utility model has been installed a photoelectric sensor at sowing port, be used to the detection of the amount of broadcasting, photoelectric sensor is counted the grain number of discharging seed, calculate the amount of broadcasting according to mass of 1000 kernel then and feed back to main control chip, main control chip is analyzed comparison, if having deviation just to recomputate with the amount of broadcasting of input and export new pulse signal and give stepper motor driver.
In the utility model, replaced ground wheel drive feed mechanism for seed with stepper motor, it is fairly simple that the amount of broadcasting is regulated, and overcome that land wheel easily skids and the unequal problem of the amount of broadcasting.
In the utility model, the pace pick-up unit of facility adopts code-wheel.
Beneficial effect:
The utility model reasonable integral structure, total system forms a closed-loop control system, thereby can reach the requirement of smart amount, quantity-variation type seeding; The adjusting of the amount of broadcasting is more convenient simple; Seeding characteristic is preferably arranged.
Description of drawings
Fig. 1 quantity-variation type seeding control system one-piece construction block scheme.
Embodiment
For technological means that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
The control system that the utility model adopted has output of three inputs, three inputs comprise the input 1 of the amount of broadcasting signal, the input 2 of work tool pace signal, the input 3 of the amount of broadcasting detection signal, driver was given in pulse of output 4 after main control chip carried out analysis-by-synthesis to three inputs, driver carries out rotation speed regulating and controlling to stepper motor, stepper motor directly drives feed mechanism for seed and carries out seeding, thereby reaches the requirement of quantity-variation type seeding.
The input 1 of the amount of broadcasting signal: the functional relation between seeding rotating speed, per hectare application rate, the facility pace is carried out the signal conversion input to main control chip then; The input 2 of work tool pace signal: be to adopt a speed pickup (code-wheel) that speed is gathered, change into signal through processing then and input to main control chip; The input 3 of the amount of broadcasting detection signal a: photoelectric sensor is installed at sowing port, photoelectric sensor is counted the grain number of discharging seed, calculate the amount of broadcasting according to mass of 1000 kernel then and feed back to main control chip, main control chip is analyzed comparison, if having deviation just to recomputate with the amount of broadcasting of input and export new pulse signal and give stepper motor driver.
Therefore total system forms a closed-loop control system in control procedure, can control accurately the amount of broadcasting, and needs only manual keyboard input as the change of the need amount of broadcasting, and is simple to operation.
Above reality and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. rape automatic variable seeding and control system, it is characterized in that, can directly import the needed amount of broadcasting according to the field needs, the amount of broadcasting according to input is carried out comprehensive computing with the pace of facility, export the pulse of a control amount of broadcasting at last, rotating speed to stepper motor is controlled, broadcasting amount detecting device simultaneously is installed in sowing port and the amount of broadcasting is detected and feeds back to main control chip, and at photoelectric sensor of sowing port installation, be used for the input amount of broadcasting detection signal, total system forms a closed loop feedback system, utilize photoelectric sensor that the grain number of discharging seed is counted, calculate the amount of broadcasting according to mass of 1000 kernel then and feed back to main control chip, main control chip is analyzed comparison, if having deviation just to recomputate with the amount of broadcasting of input and export new pulse signal and give stepper motor driver.
2. rape automatic variable seeding and control system according to claim 1 is characterized in that described stepper motor has replaced ground wheel drive feed mechanism for seed.
3. rape automatic variable seeding and control system according to claim 1 is characterized in that, the pace of described facility detects and adopts code-wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020587294XU CN201993602U (en) | 2010-11-02 | 2010-11-02 | Rape automatic variable seeding control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020587294XU CN201993602U (en) | 2010-11-02 | 2010-11-02 | Rape automatic variable seeding control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993602U true CN201993602U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020587294XU Expired - Fee Related CN201993602U (en) | 2010-11-02 | 2010-11-02 | Rape automatic variable seeding control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993602U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885670A (en) * | 2015-05-08 | 2015-09-09 | 灵璧九瑞农发科技有限公司 | Power device of wheat seeder |
| CN109121579A (en) * | 2018-08-21 | 2019-01-04 | 河南科技大学 | A kind of Intelligent precise seeding apparatus and its type of seeding with anti-blockage function |
| CN111587644A (en) * | 2020-06-08 | 2020-08-28 | 农业农村部南京农业机械化研究所 | Multi-channel discharger and running speed control method thereof |
| CN113039901A (en) * | 2021-03-30 | 2021-06-29 | 华中农业大学 | Digital seed sowing device based on seed sowing frequency feedback and seed sowing control method |
-
2010
- 2010-11-02 CN CN201020587294XU patent/CN201993602U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885670A (en) * | 2015-05-08 | 2015-09-09 | 灵璧九瑞农发科技有限公司 | Power device of wheat seeder |
| CN109121579A (en) * | 2018-08-21 | 2019-01-04 | 河南科技大学 | A kind of Intelligent precise seeding apparatus and its type of seeding with anti-blockage function |
| CN111587644A (en) * | 2020-06-08 | 2020-08-28 | 农业农村部南京农业机械化研究所 | Multi-channel discharger and running speed control method thereof |
| CN113039901A (en) * | 2021-03-30 | 2021-06-29 | 华中农业大学 | Digital seed sowing device based on seed sowing frequency feedback and seed sowing control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20121102 |