CN206389781U - United reaper revolution speed control system - Google Patents
United reaper revolution speed control system Download PDFInfo
- Publication number
- CN206389781U CN206389781U CN201720069482.5U CN201720069482U CN206389781U CN 206389781 U CN206389781 U CN 206389781U CN 201720069482 U CN201720069482 U CN 201720069482U CN 206389781 U CN206389781 U CN 206389781U
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- CN
- China
- Prior art keywords
- control system
- united reaper
- speed control
- revolution speed
- chip microcomputer
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Abstract
The utility model is related to field of mechanical technique, specifically a kind of improvement of united reaper revolution speed control system.United reaper revolution speed control system, it is characterised in that：The speed probe is arranged on the wall of threshing cylinder side, and speed probe, feeding quantity sensor and moisture sensor connect single-chip microcomputer input mouthful by signal processing module；Single-chip microcomputer output mouth passes sequentially through the speed adjusting gear of D/A converter and drive circuit dockingundocking roller.The utility model can in time with effectively regulating rotation speed of drum, greatly reduce threshing loss, find failure in time, improve operating efficiency and reliability.
Description
Technical field
The utility model is related to field of mechanical technique, specifically a kind of improvement of united reaper revolution speed control system.
Background technology
With the progress of modern agricultural technology, electronic technology, sensor technology and automatic control technology are in united reaper
On be widely used, united reaper just towards it is large-scale, efficiently and at a high speed etc. direction develop.In recent years, united reaper
On occur in that the automatic monitoring and control devices of diversified forms, improve the operating efficiency and reliability of united reaper.In connection
In all working part for closing harvester, sheller unit is to influence the critical component of overall performance, and the quality of Threshing is directly
Have influence on the performance cleaned with separator.Drum rotation speed automaton on modern united reaper is mostly using feeding
Amount realizes the control of drum rotation speed as controlled quentity controlled variable, and the moisture content of cereal is also to influence the principal element of threshing loss.Cause
This, threshing efficiency and stability are all not enough.
Utility model content
In view of the deficienciess of the prior art, technical problem to be solved in the utility model is to provide a kind of threshing efficiency
The high and good united reaper revolution speed control system of stability.
The utility model adopts the following technical scheme that to complete：United reaper revolution speed control system, including monolithic
Machine, threshing cylinder, speed probe, feeding quantity sensor, moisture sensor, signal processing module, D/A converter, driving
Circuit, speed adjusting gear, it is characterised in that：The speed probe is arranged on the wall of threshing cylinder side, speed probe, feed quantity
Sensor and moisture sensor connect single-chip microcomputer input mouthful by signal processing module；Single-chip microcomputer output mouthful is passed sequentially through
The speed adjusting gear of D/A converter and drive circuit dockingundocking roller.
As a kind of preferred scheme, described signal processing module includes amplifying circuit and A/D converter；Revolution speed sensing
Device, feeding quantity sensor and the analog signal that detects of moisture sensor by carrying out analog-to-digital conversion after signal amplifier,
It is then input to single-chip microcomputer.
As another preferred scheme, described single-chip microcomputer output mouthful is driven by data bus driver 74LS245
Light-emitting diode display.
As another preferred scheme, described single-chip microcomputer uses 8031 single-chip microcomputers.
As another preferred scheme, described feeding quantity sensor is power-electric transducer.
As another preferred scheme, described speed probe uses Hall sensor.
As another preferred scheme, described moisture sensor is using the electric capacity moisture sensing for becoming permittivity
Device.
The beneficial effects of the utility model are：The utility model detects feed quantity, cereal moisture percentage in real time with sensor
With threshing cylinder rotating speed, drum rotation speed is controlled using feed quantity and cereal moisture percentage as controlled quentity controlled variable, can in time with effectively
Regulating rotation speed of drum, greatly reduces threshing loss, failure is found in time, improve operating efficiency and reliability.Monitoring system with
8031 single-chip microcomputer microprocessing systems greatly reduce cost as control core, and what the system that improves was detected and diagnosed in real time can
By property.
Brief description of the drawings
Fig. 1 is the utility model theory diagram.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
With reference to the accompanying drawings shown in 1, united reaper revolution speed control system, including single-chip microcomputer, threshing cylinder, speed probe,
Quantity sensor, moisture sensor, signal processing module, D/A converter, drive circuit, speed adjusting gear are fed, the rotating speed is passed
Sensor is arranged on the wall of threshing cylinder side, and speed probe, feeding quantity sensor and moisture sensor pass through signal transacting mould
Block connection single-chip microcomputer input mouthful；Single-chip microcomputer output mouth passes sequentially through D/A converter and drive circuit dockingundocking roller
Speed adjusting gear；One-chip machine port is also associated with power supply, alarm lamp, keyboard and SR.
Described signal processing module includes amplifying circuit and A/D converter；Speed probe, feeding and contain quantity sensor
The analog signal that water rate sensor is detected is then input to single-chip microcomputer by carrying out analog-to-digital conversion after signal amplifier.
Described single-chip microcomputer output mouthful drives light-emitting diode display by data bus driver 74LS245.
Described single-chip microcomputer uses 8031 single-chip microcomputers.
Described feeding quantity sensor is power-electric transducer.
Described speed probe uses Hall sensor.
Described moisture sensor is using the electric capacity moisture transducer for becoming permittivity.
The utility model detects feed quantity, cereal moisture percentage and threshing cylinder rotating speed in real time with sensor, with feed quantity
Control drum rotation speed as controlled quentity controlled variable with cereal moisture percentage, can in time with effectively regulating rotation speed of drum, greatly reduce de-
Grain loss, finds failure in time, improves operating efficiency and reliability.Monitoring system is used as control using 8031 single-chip microcomputer microprocessing systems
Core processed, greatly reduces cost, improves the reliability that system is detected and diagnosed in real time.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations without creative work according to the design of the present invention.Therefore, it is all in the art
Technical staff can be obtained by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
The technical scheme arrived, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. united reaper revolution speed control system, including it is single-chip microcomputer, threshing cylinder, speed probe, feeding quantity sensor, aqueous
Rate sensor, signal processing module, D/A converter, drive circuit, speed adjusting gear, it is characterised in that：The speed probe is set
Put on the wall of threshing cylinder side, speed probe, feeding quantity sensor and moisture sensor are connected by signal processing module
Single-chip microcomputer input mouthful；Single-chip microcomputer output mouth passes sequentially through the governor of D/A converter and drive circuit dockingundocking roller
Structure.
2. united reaper revolution speed control system according to claim 1, it is characterised in that：Described signal processing module
Including amplifying circuit and A/D converter.
3. united reaper revolution speed control system according to claim 1, it is characterised in that：Described single-chip microcomputer output
Mouth passes through data bus driver 74LS245 and drives light-emitting diode display.
4. united reaper revolution speed control system according to claim 1, it is characterised in that：Described single-chip microcomputer is used
8031 single-chip microcomputers.
5. united reaper revolution speed control system according to claim 1, it is characterised in that：Described feeding quantity sensor
For power-electric transducer.
6. united reaper revolution speed control system according to claim 1, it is characterised in that：Described speed probe is adopted
Use Hall sensor.
7. united reaper revolution speed control system according to claim 1, it is characterised in that：Described moisture sensor
Using the electric capacity moisture transducer for becoming permittivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069482.5U CN206389781U (en) | 2017-01-20 | 2017-01-20 | United reaper revolution speed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069482.5U CN206389781U (en) | 2017-01-20 | 2017-01-20 | United reaper revolution speed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206389781U true CN206389781U (en) | 2017-08-11 |
Family
ID=59518162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720069482.5U Expired - Fee Related CN206389781U (en) | 2017-01-20 | 2017-01-20 | United reaper revolution speed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206389781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107646298A (en) * | 2017-11-03 | 2018-02-02 | 江苏农牧科技职业学院 | A kind of combined harvester threshing cylinder supervising device |
| CN110199665A (en) * | 2019-04-09 | 2019-09-06 | 丰疆智能科技股份有限公司 | Harvesting velocity-controlled system and its method and intelligent harvester for intelligent harvester |
-
2017
- 2017-01-20 CN CN201720069482.5U patent/CN206389781U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107646298A (en) * | 2017-11-03 | 2018-02-02 | 江苏农牧科技职业学院 | A kind of combined harvester threshing cylinder supervising device |
| CN110199665A (en) * | 2019-04-09 | 2019-09-06 | 丰疆智能科技股份有限公司 | Harvesting velocity-controlled system and its method and intelligent harvester for intelligent harvester |
| WO2020206944A1 (en) * | 2019-04-09 | 2020-10-15 | 丰疆智能科技股份有限公司 | Harvesting speed adjustment system and method for intelligent harvester, and intelligent harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20200120 |