CN202870527U - Suspension type automatic control device of seeding amount of rice seeding machine - Google Patents
Suspension type automatic control device of seeding amount of rice seeding machine Download PDFInfo
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- CN202870527U CN202870527U CN 201220504461 CN201220504461U CN202870527U CN 202870527 U CN202870527 U CN 202870527U CN 201220504461 CN201220504461 CN 201220504461 CN 201220504461 U CN201220504461 U CN 201220504461U CN 202870527 U CN202870527 U CN 202870527U
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Abstract
The utility model relates to a suspension type automatic control device of a seeding amount of a rice seeding machine. The automatic control device is characterized in that the device comprises a keyboard (1), a hall sensor (2), a single chip microcomputer (3), a display (4), a motor driver (5), and a stepping motor (6); the keyboard (1) and the hall sensor (2) are respectively connected with an input parameter terminal and a detection speed input terminal of the single chip microcomputer (3); a display output terminal of the single chip microcomputer (3) is connected with the display (4); a pulse signal output terminal of the single chip microcomputer (3) is connected with the motor driver (5); and a control signal output terminal of the motor driver (5) is connected with the stepping motor (6). According to the utility model, the provided device has advantages of simple structure and convenient adjustment; the whole system is an open loop control system, so that the seeding amount of the seeding machine can be controlled accurately.
Description
Technical field
The utility model relates to the research to rice growing machine sowing amount control device, belong to agricultural machinery and the electric field that combines, specifically a kind of suspended rice sowing machine sowing amount automaton.
Background technology
At present, traditional ground wheel drive is still adopted in China's seeder seeding, chain wheel drive, and the modes such as side casing transmission are used as the drive unit of feed mechanism for seed seeding.Some shortcomings such as but these kinds of drive all exist when the field sowing operation of reality, and land wheel skids, the amount of broadcasting and seeder gait of march are inharmonious, caused in the process of sowing and broadcast leakage occurred broadcasting less, affected the homogeneity of sowing, had a strong impact on the output in crops later stages, make crop production reduction, so kind of drive of machinery, restricted the planting quality of seeder, simultaneously because the size that the different amounts of broadcasting need to be regulated different ratio of gear and seed distributing groove opening has also been brought a lot of inconvenience to seeding operation.Therefore for addressing this problem, need a kind of device of realizing sowing machine sowing amount is regulated control based on Single Chip Microcomputer (SCM) system badly.
Summary of the invention
Problem to be solved in the utility model is, problem for above-mentioned prior art existence, designed a kind of suspended rice sowing machine sowing amount automaton, this device can be according to the different amounts of broadcasting of regulating in real time of seeder gait of march, thereby improved the homogeneity of sowing, increase the output of grain, improved the utilization factor in soil.
The technical solution of the utility model is:
A kind of suspended rice sowing machine sowing amount automaton, mainly formed by keyboard 1, Hall element 2, single-chip microcomputer 3, display 4, motor driver 5 and stepper motor 6, described keyboard 1 is connected with Hall element and is connected with the detection speed input end with the input parameter end of single-chip microcomputer 3 respectively, the demonstration output terminal of single-chip microcomputer 3 connects display 4, the pulse signal output end of single-chip microcomputer 3 connects motor driver 5, and the control signal output terminal of motor driver 5 connects stepper motor 6.Input the amount of broadcasting parameter according to different sowing demands by keyboard 1 before the sowing, then single-chip microcomputer 3 detects the gait of march of tractor by Hall element 2, and according to the relation of the speed of having set up and stepper motor rotating speed, the rotating speed of control step motor, realization is to the control of the amount of broadcasting, while, on the display 4 of liquid crystal, the operation of whole device was all take on-vehicle battery as power supply parameter display.
Described stepper motor 6 connects feed mechanism for seed 7.
Adopt stepper motor 6 drivings to replace the side casing driving of seeder and the type of drive of ground wheel drive feed mechanism for seed.
The induced magnet that 2 pairs of described Hall elements are installed on the tractor driving wheel carries out timer counter, detects the gait of march of tractor.
For solving the problem of above-mentioned appearance, the utility model has at first been analyzed the many factors of the impact amount of broadcasting, and by deep analysis, the principal element that has drawn the impact amount of broadcasting is the gait of march of seeder and the rotating speed of feed shaft, then feed mechanism for seed is carried out rotating speed and seeding test, draw rotating speed and broadcast the relationship between quantities, the funtcional relationship f (Q)=(n, v) of last combine with the speed of the seeder speed that draws and rotating speed.Finish speed to the control of rotating speed by programming, realize the control purpose to the amount of broadcasting.
Rice growing machine sowing amount control device, can so just determine the proportionate relationship of speed v and rotation speed n according to different sowing demands by the direct input amount of the broadcasting Q of keyboard, then the processing by single-chip microcomputer, finally export the signal of a control step motor speed, realized the control of the amount of broadcasting.
In the utility model, replace the ground wheel drive with stepper motor, chain wheel drive, the modes such as side casing driving drive feed mechanism for seed, it is simple and convenient that the amount of broadcasting is regulated control, overcome that land wheel skids and the amount of broadcasting and the inharmonious problems such as inhomogeneous sowing that cause of seeder gait of march.
In the utility model, the gait of march of seeder adopts Hall element to detect.
The beneficial effects of the utility model are:
The utility model integral body simple in structure, easy to adjust, whole system forms an open-loop control system, thereby can control accurately the amount of broadcasting of seeder.
Suspended rice sowing machine sowing amount automaton of the present utility model, it is the control device that to regulate in real time the amount of broadcasting in a kind of process of rice growing, according to the different field sowing demand input amounts of broadcasting, single-chip microcomputer is by carrying out calculation process to the mathematical model of setting up in advance speed and rotating speed, export at last a pulse control signal to motor driver, realization is to the control of stepper motor rotating speed, reach the purpose of the control amount of broadcasting, whole system is an open-loop control system, it can be according to the difference of tractor gait of march, the rotating speed of real-time change stepper motor, thereby realized the control requirement of Precision Seeding, and got final product by the manual input parameter of keyboard, simple to operation, show data by liquid crystal display, simple and clear.
Description of drawings
Fig. 1 is rice growing machine sowing amount automaton one-piece construction block diagram of the present utility model.
Concrete embodiment
For technological means of the present utility model and purpose are easy to understand, below in conjunction with accompanying drawing in detail the utility model is described in detail.
Such as Fig. 1, a kind of suspended rice sowing machine sowing amount automaton, mainly formed by keyboard 1, Hall element 2, single-chip microcomputer 3, display 4, motor driver 5 and stepper motor 6, described keyboard 1 is connected with Hall element and is connected with the detection speed input end with the input parameter end of single-chip microcomputer 3 respectively, the demonstration output terminal of single-chip microcomputer 3 connects display 4, the pulse signal output end of single-chip microcomputer 3 connects motor driver 5, and the control signal output terminal of motor driver 5 connects stepper motor 6.Input the amount of broadcasting parameter according to different sowing demands by keyboard 1 before the sowing, then single-chip microcomputer 3 detects the gait of march of tractor by Hall element 2, and according to the relation of the speed of having set up and stepper motor rotating speed, the rotating speed of control step motor, realization is to the control of the amount of broadcasting, while, on the display 4 of liquid crystal, the operation of whole device was all take on-vehicle battery as power supply parameter display.
Stepper motor 6 connects feed mechanism for seed 7.
Adopt stepper motor 6 drivings to replace the side casing driving of seeder and the type of drive of ground wheel drive feed mechanism for seed.
It is STC89C52 type single-chip microcomputer that single-chip microcomputer 3 adopts model, and display 4 employing models are 12864 liquid crystal display, and it is the motor driver of Dq2722M that motor driver 5 adopts models, and it is the stepper motor of 110BYGH1465 model that stepper motor 6 adopts models.
The induced magnet that 2 pairs of Hall elements are installed on the tractor driving wheel carries out timer counter, detects the gait of march of tractor.
The control system that the utility model adopts has two input signals and an output signal, input parameter is to be the amount of broadcasting that will preset, determine first a scale-up factor namely for moving model, detection signal is the gait of march of seeder, output pulse signal of output is controlled the rotating speed of stepper motor to driver after the processing of single-chip microcomputer, carries out seeding because stepper motor drives feed mechanism for seed by gear train, historical facts or anecdotes has showed the purpose of the control amount of broadcasting, and shows by liquid crystal display 4 at last.
Hall element is adopted in the input of the gait of march signal of seeder, the magnet that is installed on the tractor driving wheel is carried out timer counter, draw the gait of march of seeder through the processing of single-chip microcomputer, then send an output pulse signal to motor driver 5, after segmentation control, realize the control to the stepper motor rotating speed, the final control that realizes the amount of broadcasting.
Whole device is an open-loop control system in the process of control, therefore can according to the gait of march of seeder real-time to the selected accurate control of the amount of broadcasting, just can finish by the keyboard manual modification such as the amount of broadcasting of need change seeder, simple to operation.
Above content has been discussed the advantage of basic control principle of the present utility model and utility model.Industry personnel should understand; this utility model is not subjected to the restriction of this example; the description of above-mentioned instructions is only at explanation control principle of the present utility model; on the basis that does not break away from the utility model control principle; this utility model can also have other improvement, all falls in the lump within the protection domain of the present utility model at this.
Claims (3)
1. a suspended rice is sowed machine sowing amount automaton, it is characterized in that mainly by keyboard (1), Hall element (2), single-chip microcomputer (3), display (4), motor driver (5) and stepper motor (6) form, described keyboard (1) is connected 2 with Hall element) be connected with the detection speed input end with the input parameter end of single-chip microcomputer (3) respectively, the demonstration output terminal of single-chip microcomputer (3) connects display (4), the pulse signal output end of single-chip microcomputer (3) connects motor driver (5), and the control signal output terminal of motor driver (5) connects stepper motor (6).
2. according to right 1 described suspended rice sowing machine sowing amount automaton, it is characterized in that: described stepper motor (6) connects feed mechanism for seed (7).
3. according to right 1 described suspended rice sowing machine sowing amount automaton, it is characterized in that: described Hall element (2) carries out timer counter to the induced magnet that is installed on the tractor driving wheel, detects the gait of march of tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504461 CN202870527U (en) | 2012-09-28 | 2012-09-28 | Suspension type automatic control device of seeding amount of rice seeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504461 CN202870527U (en) | 2012-09-28 | 2012-09-28 | Suspension type automatic control device of seeding amount of rice seeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202870527U true CN202870527U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220504461 Expired - Fee Related CN202870527U (en) | 2012-09-28 | 2012-09-28 | Suspension type automatic control device of seeding amount of rice seeding machine |
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| Country | Link |
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| CN (1) | CN202870527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860163A (en) * | 2012-09-28 | 2013-01-09 | 南京农业大学 | Automatic control device for seeding rate of suspension rice seeder |
| CN104854989A (en) * | 2015-06-10 | 2015-08-26 | 农业部南京农业机械化研究所 | Paddy field straw mulching rice drill seeder |
-
2012
- 2012-09-28 CN CN 201220504461 patent/CN202870527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860163A (en) * | 2012-09-28 | 2013-01-09 | 南京农业大学 | Automatic control device for seeding rate of suspension rice seeder |
| CN102860163B (en) * | 2012-09-28 | 2015-12-02 | 南京农业大学 | Suspended rice sowing machine sowing amount automaton |
| CN104854989A (en) * | 2015-06-10 | 2015-08-26 | 农业部南京农业机械化研究所 | Paddy field straw mulching rice drill seeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |