CN201938106U - Warning device for blockage of detachment roller of combine harvester - Google Patents
Warning device for blockage of detachment roller of combine harvester Download PDFInfo
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- CN201938106U CN201938106U CN2010206680913U CN201020668091U CN201938106U CN 201938106 U CN201938106 U CN 201938106U CN 2010206680913 U CN2010206680913 U CN 2010206680913U CN 201020668091 U CN201020668091 U CN 201020668091U CN 201938106 U CN201938106 U CN 201938106U
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 16
- 235000013339 cereals Nutrition 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000013340 harvest operation Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a warning device for the blockage of a detachment 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 voice 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 voice alarm prompting module; the sensor module is connected with the singlechip processing module which is connected with the liquid crystal display module and the voice alarm prompting module respectively. The warning device can be installed in a cab, a sensor part of the warning device is fixed at the corresponding position of the harvester, the operation condition of a locomotive is monitored in real time, and the current operation parameter of the harvester and the parameters such as the safe operation speed of the locomotive for reference and the rotating speed of the detachment roller, are provided in time, so as to prompt operators to adjust in advance to avoid blockage faults.
Description
Technical field
The utility model relates to the fault pre-alarming device, especially relates to a kind of combine and breaks 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 purpose of this utility model is to propose a kind of combine and breaks 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 adopted in the utility model 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 utlity model has is:
The utility model 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 utility model.
Fig. 2 is that speed probe of the present utility model is laid schematic diagram.
Fig. 3 is that feed quantity sensor of the present utility model is laid schematic diagram.
Fig. 4 is that humidity sensor of the present utility model is laid schematic diagram.
Fig. 5 is a circuit structure schematic diagram of the present utility model.
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 utility model 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 the utility model device, 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 the utility model device 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 the utility model device 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 utility model:
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 |
|---|---|---|---|
| CN2010206680913U CN201938106U (en) | 2010-12-10 | 2010-12-10 | Warning device for blockage of detachment roller of combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206680913U CN201938106U (en) | 2010-12-10 | 2010-12-10 | Warning device for blockage of detachment roller of combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201938106U true CN201938106U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206680913U Expired - Fee Related CN201938106U (en) | 2010-12-10 | 2010-12-10 | Warning device for blockage of detachment roller of combine harvester |
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| Country | Link |
|---|---|
| CN (1) | CN201938106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090206A (en) * | 2010-12-10 | 2011-06-15 | 浙江大学 | Device for warning blocking of separation roller of combine harvester |
-
2010
- 2010-12-10 CN CN2010206680913U patent/CN201938106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090206A (en) * | 2010-12-10 | 2011-06-15 | 浙江大学 | Device for warning blocking of separation roller of combine harvester |
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| Date | Code | Title | Description |
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| 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: 20110824 Termination date: 20141210 |
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| EXPY | Termination of patent right or utility model |