CN102090206A - Device for warning blocking of separation roller of combine harvester - Google Patents
Device for warning blocking of separation roller of combine harvester Download PDFInfo
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- CN102090206A CN102090206A CN 201010595203 CN201010595203A CN102090206A CN 102090206 A CN102090206 A CN 102090206A CN 201010595203 CN201010595203 CN 201010595203 CN 201010595203 A CN201010595203 A CN 201010595203A CN 102090206 A CN102090206 A CN 102090206A
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Abstract
The invention discloses a device for warning blocking of a separation roller of a combine harvester. The device comprises a power supply module, a sensor module, a singlechip processing module, a liquid crystal display module and a sound alarm prompting module, wherein the power supply module is respectively connected with the sensor module, the singlechip processing module, the liquid crystal display module and the sound alarm prompting module, the sensor module is connected with the singlechip processing module, and the singlechip module is respectively connected with the liquid crystal display module and the sound alarm module. The device provided by the invention can be arranged in a cockpit, and the sensor part of the device is fixed at a corresponding position of the harvester to monitor the running state of a locomotive in real time, thus the operational parameters of the current harvester as well as referenced safe running speed of the locomotive and rotating speed of the separation roller can be provided timely, an operator can be prompted to adjust in advance, and blocking fault is evaded.
Description
Technical field
The present invention relates to the fault pre-alarming device, especially relate to a kind of combine and break away from cylinder obstruction prior-warning device.
Background technology
Along with the Chinese society expanding economy, adopting large-scale combine to carry out large tracts of land harvesting operation has slowly obtained popularizing widely, combine often shines into the obstruction that its core component breaks away from cylinder because of feed quantity is excessive when the harvest operation of farmland, belt creep can take place when serious even can damage machine in fault when taking place, the job scheduling that has had a strong impact on combine of this fault and results efficient, even come unnecessary economic loss for peasant household and machine master tape.
Therefore necessary to the real-time monitoring of combine critical component working condition, if the early warning that can just be correlated with before fault takes place, prompting operation person simply adjusts the generation that then can avoid fault, prolongs the service life of locomotive.Research about the pre-alarm of combine critical component plugging fault both at home and abroad generally speaking also is in the elementary step, lacks dependent failure diagnostic techniques, method and theory.Grain header stops up to report to the police and adopts the rotating speed of monitoring critical component at present, is to report to the police when it is lower than normal range of operation.These class methods are fairly simple but accuracy rate is not high, and delay is also bigger, and its application is restricted.
The true cause that breaks away from the generation of cylinder plugging fault is that feed quantity is excessive, has surpassed the disengaging ability of locomotive, simultaneously again because the influence of factors such as GVG ratio and humidity finally causes cylinder to stop up, and belt creep, cereal heavy losses, even parts damages.If therefore feed quantity, factors such as humidity then can not only improve the accuracy of system also as the foundation of fault diagnosis, also play the effect of reporting to the police in advance simultaneously.
Summary of the invention
The objective of the invention is to propose a kind of combine and break away from cylinder obstruction prior-warning device, start with from cereal feed quantity and humidity, based on single-chip microcomputer and sensor correlation technique, when realizing grain header work, judge in advance breaking away from the cylinder plugging fault, be shown to some reference parameters in current locomotive state of tractor driver and the failure safe scope simultaneously, make things convenient for the tractor driver to make reflection in advance, avoid the generation of fault.
The technical solution used in the present invention is:
This device comprises power module, sensor assembly, single chip processing module, LCD MODULE, audio alert reminding module; Power module links to each other with sensor assembly, single chip processing module, LCD MODULE and audio alert reminding module respectively, sensor assembly is connected with single chip processing module, and one-chip computer module links to each other with the audio alert reminding module with LCD MODULE respectively.
Described sensor assembly is made up of four sensors, equidistantly be furnished with four magnet steel on the same circumference of axletree end face, locomotive pace sensor is fixed on axletree and magnet steel correspondence position, equidistantly be furnished with four magnet steel on the same circumference of disengaging drum shaft end face, break away from drum sensor and be fixed on disengaging drum shaft and magnet steel correspondence position; The feed quantity sensor is installed in the exit of inclined transporter base plate; The cereal humidity sensor is installed in upper shed place of grain elevator;
Wherein locomotive pace sensor is identical with disengaging drum sensor model, is the Hall speed probe, and sensor model number is HAL506S; The cereal humidity sensor, the humidity sensor of the E23650 model of employing Farmtronics company; The feed quantity sensor adopts the model 13 type micro pressure sensors of Honeywell company.
Described LCD MODULE is JM2401288, is the graphic dot matrix LCD.
The nuclear sound chip model of described audio alert reminding module is WT588D.
Described single chip processing module adopts the C8051F020 single-chip microcomputer, link to each other with the disengaging drum sensor with locomotive pace sensor with the P0.2 mouth by P0.1 respectively, the AIN1.0 mouth links to each other with the feed quantity sensor, the P3.0 mouth connects the cereal humidity sensor, interface J2 connects LCD MODULE, connects voice module control signal input by the P3.1 mouth and connects.
The beneficial effect that the present invention has is:
Apparatus of the present invention can be installed in the cockpit, its Sensor section is fixed on the grain header relevant position, monitor the locomotive operation conditions in real time, current grain header operational factor and safe locomotive running speed that can be for reference in time are provided and break away from parameter such as drum rotation speed, prompting operation person adjusts in advance, evades plugging fault.
Description of drawings
Fig. 1 is a structural principle block diagram of the present invention.
Fig. 2 is that speed probe of the present invention is laid schematic diagram.
Fig. 3 is that feed quantity sensor of the present invention is laid schematic diagram.
Fig. 4 is that humidity sensor of the present invention is laid schematic diagram.
Fig. 5 is a circuit structure schematic diagram of the present invention.
Among the figure: 1, axletree, 1 ' breaks away from drum shaft, 2, magnet steel, 3 carry chain harrows,, 4, the inclined transporter base plate, 5, cereal, 6, the feed quantity sensor, 7, the grain elevator, 8, the cereal humidity sensor.
Embodiment
Below in conjunction with drawings and Examples the present invention is made further instruction.
As shown in Figure 1, this device comprises power module, sensor assembly, single chip processing module, LCD MODULE, audio alert reminding module; Power module links to each other with sensor assembly, single chip processing module, LCD MODULE and audio alert reminding module respectively, sensor assembly is connected with single chip processing module, and one-chip computer module links to each other with the audio alert reminding module with LCD MODULE respectively.
As shown in Figure 2, described sensor assembly is made up of four sensors, equidistantly be furnished with four magnet steel 2 on the same circumference of axletree 1 end face, locomotive pace sensor is fixed on axletree 1 and magnet steel 2 correspondence positions, break away from the same circumference of drum shaft 1 ' end face and equidistantly be furnished with four magnet steel 2, break away from drum sensor and be fixed on disengaging drum shaft 1 ' and magnet steel 2 correspondence positions, wherein locomotive pace sensor 1 is identical with disengaging drum sensor 2 models, be the Hall speed probe, sensor model number is HAL506S, adopts the 5V power supply, and two sensors link to each other with the P0.2 mouth with the P0.1 of single chip processing module respectively, sensor can export 0 by internal integrated circuit, 5 vor signals, along with change in rotational speed, the pulse wave frequency is also ensued variation, be connected to single-chip microcomputer by the corresponding interface, can obtain rotary speed parameter.
As shown in Figure 3, feed quantity sensor 6 is installed in inclined transporter base plate 4 places, and feed quantity sensor 6 is a kind of pressure one electric formula sensors, adopts the model 13 type micro pressure sensors of Honeywell company.When grain header carries out grain header, carry chain harrow 3 to be transported to the upper end to the lower end of the cereal 4 inclined transporter base plates 5 of feeding, feed quantity sensor 6 changes the size of the extruding force of 3 pairs of inclined transporter base plates 4 of cereal into the power of the signal of telecommunication in the process, this signal is by the AD converter of AIN1.0 interface connection single-chip microcomputer inside, through handling the size that can obtain feed quantity.
As shown in Figure 4, cereal humidity sensor 8 is installed in 7 upper sheds place of grain elevator, adopt the humidity sensor of the E23650 model of Farmtronics company, this sensor is a capacitance type sensor, thereby cereal can change dielectric constant by time between two pole plates of sensor and change the sensor capacitance value, the moisture content that reflects cereal by frequency signal, on the grain elevator 7 of combine, open sample tap, design a sampling passage, on the sampling passage, cereal humidity sensor 8 is installed, just can to the process of silo, be carried out Data Detection in the grain elevator.
Realize circuit diagram as shown in Figure 5 with the power module of giving other module for power supply in apparatus of the present invention, by simple voltage conversion circuit airborne 12V direct current is changed into available 5V direct current, use for sensor assembly, single chip processing module, LCD MODULE and audio alert reminding module.
The single-chip microcomputer model is C8051F020 in this device, can receive three road frequency signals by interrupt interface, by gathering the grain header pace, feed quantity, cereal humidity, disengaging drum rotation speed parameter also shows, judge simultaneously whether feed quantity is in the failure safe scope, can be if exceed by LED and buzzer early warning, and illustrate and for the locomotive pace of operator's reference and to break away from drum rotation speed by liquid crystal, make corresponding adjustment in advance by voice mode prompting operation person, avoid the generation of fault.
LCD MODULE model in apparatus of the present invention is JM2401288, it is the graphic dot matrix LCD, can realize that figure and Chinese character show that this module and interface microcontroller are the J2 among Fig. 5, mainly show locomotive current state parameter and failure safe reference parameter.
Audio alert reminding module nuclear sound chip model in apparatus of the present invention is WT588D, and this chip internal Highgrade integration can pass through the various control pattern, voice messaging is downloaded among the inner SPI-Flash, and can directly promote outside power amplifier.Adopt a line serial ports control model, carry out control, should do when can be used to point out current disengaging cylinder situation of driver and fault dangerous during real work and how to adjust module by single-chip microcomputer P3.1 mouth.Whether the audio alert reminding module is reminded the current disengaging cylinder of tractor driver to have by voice mode and the dangerous of obstruction is taken place and should how to adjust the locomotive pace.
Operation principle of the present invention:
When combine is worked in the field, this device is by the sensor Information Monitoring and demonstrate the pace of current locomotive in real time by liquid crystal, break away from drum rotation speed, at this moment cereal feed quantity and cereal humidity have voice suggestion " current disengaging cylinder operation is normal ".When feed quantity surpasses the disengaging ability that breaks away from cylinder, the buzzer early warning, red bright lamp is arranged simultaneously, and at this moment liquid crystal breaks away from drum rotation speed except demonstrating current locomotive pace, feed quantity and corn wet are outside one's consideration, also can be in overload state by explicit declaration disengaging cylinder, may break down, and provide locomotive pace safety value, simultaneously also can voice suggestion " current disengaging cylinder is in overload state, please adjust the locomotive pace and be safety value (as 10 kilometers/time) below." like this operator can in time adjust the locomotive pace according to the device prompting, avoid breaking away from the generation of cylinder plugging fault.Recover just often when feed quantity and disengaging drum rotation speed ratio, voice can be pointed out " current disengaging cylinder operation is normal ", and the current running status of locomotive continuation maintenance is carried out operation.
Claims (5)
1. a combine breaks away from cylinder obstruction prior-warning device, and it is characterized in that: this device comprises power module, sensor assembly, single chip processing module, LCD MODULE, audio alert reminding module; Power module links to each other with sensor assembly, single chip processing module, LCD MODULE and audio alert reminding module respectively, sensor assembly is connected with single chip processing module, and one-chip computer module links to each other with the audio alert reminding module with LCD MODULE respectively.
2. a kind of combine according to claim 1 breaks away from cylinder and stops up prior-warning device, it is characterized in that: described sensor assembly is made up of four sensors, equidistantly be furnished with four magnet steel on the same circumference of axletree end face, locomotive pace sensor is fixed on axletree and magnet steel correspondence position, equidistantly be furnished with four magnet steel on the same circumference of disengaging drum shaft end face, break away from drum sensor and be fixed on disengaging drum shaft and magnet steel correspondence position; The feed quantity sensor is installed in the exit of inclined transporter base plate; The cereal humidity sensor is installed in upper shed place of grain elevator;
Wherein locomotive pace sensor is identical with disengaging drum sensor model, is the Hall speed probe, and sensor model number is HAL506S; The cereal humidity sensor, the humidity sensor of the E23650 model of employing Farmtronics company; The feed quantity sensor adopts the model 13 type micro pressure sensors of Honeywell company.
3. a kind of combine according to claim 1 breaks away from cylinder and stops up prior-warning device, and it is characterized in that: described LCD MODULE is JM2401288, is the graphic dot matrix LCD.
4. a kind of combine according to claim 1 breaks away from cylinder and stops up prior-warning device, and it is characterized in that: the nuclear sound chip model of described audio alert reminding module is WT588D.
5. a kind of combine according to claim 1 breaks away from cylinder and stops up prior-warning device, it is characterized in that: described single chip processing module adopts the C8051F020 single-chip microcomputer, link to each other with the disengaging drum sensor with locomotive pace sensor with the P0.2 mouth by P0.1 respectively, the AIN1.0 mouth links to each other with the feed quantity sensor, the P3.0 mouth connects the cereal humidity sensor, interface J2 connects LCD MODULE, connects voice module control signal input by the P3.1 mouth and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010595203 CN102090206A (en) | 2010-12-10 | 2010-12-10 | Device for warning blocking of separation roller of combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010595203 CN102090206A (en) | 2010-12-10 | 2010-12-10 | Device for warning blocking of separation roller of combine harvester |
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| CN102090206A true CN102090206A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010595203 Pending CN102090206A (en) | 2010-12-10 | 2010-12-10 | Device for warning blocking of separation roller of combine harvester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289825A (en) * | 2015-06-02 | 2017-01-04 | 安顺市晶英科技研发有限责任公司 | A kind of tea picking machine intelligent checking system |
| 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 |
| CN108073159A (en) * | 2017-12-08 | 2018-05-25 | 柳州市融智科技服务有限公司 | A kind of fault identification device for combined harvester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325968Y (en) * | 1997-04-11 | 1999-06-30 | 张立功 | Falt prealarming device for combine |
| CN2577546Y (en) * | 2002-10-21 | 2003-10-08 | 李启海 | Multifunctional alarm for combined harvester |
| EP1688029A1 (en) * | 2005-02-04 | 2006-08-09 | CNH Belgium N.V. | Active combine rotor deceleration. |
| CN101595785A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester plugging fault early warning and warning device |
| CN201938106U (en) * | 2010-12-10 | 2011-08-24 | 浙江大学 | Warning device for blockage of detachment roller of combine harvester |
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2010
- 2010-12-10 CN CN 201010595203 patent/CN102090206A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325968Y (en) * | 1997-04-11 | 1999-06-30 | 张立功 | Falt prealarming device for combine |
| CN2577546Y (en) * | 2002-10-21 | 2003-10-08 | 李启海 | Multifunctional alarm for combined harvester |
| EP1688029A1 (en) * | 2005-02-04 | 2006-08-09 | CNH Belgium N.V. | Active combine rotor deceleration. |
| CN101595785A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester plugging fault early warning and warning device |
| CN201938106U (en) * | 2010-12-10 | 2011-08-24 | 浙江大学 | Warning device for blockage of detachment roller of combine harvester |
Non-Patent Citations (2)
| Title |
|---|
| 《农机化研究》 19971130 陈进等 联合收割机转速监视报警装置的研制 57-59 1-5 , 第4期 * |
| 《农机化研究》 20020831 张淑红等 联合收割机自动报警系统的设计 72-74 1-5 , 第4期 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289825A (en) * | 2015-06-02 | 2017-01-04 | 安顺市晶英科技研发有限责任公司 | A kind of tea picking machine intelligent checking system |
| 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 |
| CN108073159A (en) * | 2017-12-08 | 2018-05-25 | 柳州市融智科技服务有限公司 | A kind of fault identification device for combined harvester |
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Application publication date: 20110615 |