CN102972146B - The full warning device of harvesting cabin - Google Patents
The full warning device of harvesting cabin Download PDFInfo
- Publication number
- CN102972146B CN102972146B CN201210526955.1A CN201210526955A CN102972146B CN 102972146 B CN102972146 B CN 102972146B CN 201210526955 A CN201210526955 A CN 201210526955A CN 102972146 B CN102972146 B CN 102972146B
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- compression plate
- bar
- pressure sensor
- physical pressure
- bus
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Abstract
The invention discloses the full warning device of a kind of harvesting cabin, comprise physical pressure sensor, switching device and warning circuit, described physical pressure sensor connects described switching device, described switching device is the trigger switch of described warning circuit, control described warning circuit work, described physical pressure sensor comprises compression plate and sliding connector, described compression plate shape is right angle trigonometry taper, boring, its the shortest bus length is 10-15cm, one end of described sliding connector is arranged on the hollow position of described compression plate, track sliding on the other end and grain header silo is dynamically connected, for providing motion path for described compression plate.The present invention, by improving physical pressure sensor, obtains good susceptibility, ensures the accuracy triggered of reporting to the police, has simple and reasonable, with low cost, that reliability is high advantage.
Description
Technical field
The invention belongs to grain header automatic Monitoring System of Grain Depot, be specifically related to a kind of Applied Physics sensor-triggered and the warning device of automatic alarm, be applicable to granular material, the silo as harvesting machines such as paddy, rape seed, wheats is reported to the police.
Background technology
Along with popularizing gradually of paddy rice harvesting machineryization, the feed quantity (the paddy weight of unit interval harvesting) of grain header progressively promotes, silo enter the also corresponding quickening of grain speed, if do not have the full warning device of reliable grain just to need operator to note the grain position of silo at any time, and grain continues harvesting completely afterwards that screw feeder will be caused to block, screw feeder driving chain ruptures, and even makes the accidents such as the bevel gear shaft torsion deformation of transmission, causes more serious mechanical breakdown.Therefore the installation of alarm seems all the more necessary with the raising of feed quantity.
At present, market there is the alarm of Multiple Type, mainly be divided into two classes: a kind of alarm being physics induction and triggering, only be made up of sensor, alarming horn and connecting circuit, physics passes device due to the pressure activated by paddy, and paddy is less to silo lateral wall pressure in silo, therefore reliability is lower; Another kind of is utilize the sensor-triggered such as infrared, light-operated, and its reliability is higher, and price is relatively expensive, although there is supply in market, but demand is less.
Therefore be necessary that design one is both reliable, the full warning device of high performance-price ratio grain economic again.
Summary of the invention
The object of the invention is at raising physical sensors the susceptibility of paddy pressure, thus improve the reliability of warning system, meanwhile, need unloading back and forth, special case grain time full, not to need the actual conditions of unloading for harvesting process, design the warning device that a kind of sensitivity is higher.
The present invention is the technical scheme realizing goal of the invention employing: the full warning device of a kind of harvesting cabin, comprise physical pressure sensor, switching device and warning circuit, described physical pressure sensor connects described switching device, described switching device is the trigger switch of described warning circuit, control described warning circuit work, described physical pressure sensor comprises compression plate and sliding connector, described compression plate shape is right angle trigonometry taper, boring, its the shortest bus length is 10-15cm, one end of described sliding connector is arranged on the hollow position of described compression plate, track sliding on the other end and grain header silo is dynamically connected, for providing motion path for described compression plate.
Further, the right angled triangle formed for right-angle side with the longest bus-bar of described compression plate and the shortest bus, its corner angle is 38 °-50 °.
Further, described sliding connector is arranged in the inner plane be made up of longest bus-bar and the shortest bus of compression plate, and vertical with longest bus-bar.
Further, described sliding connector is a straight-bar, and the track on described grain header silo is a sleeve pipe, and described straight-bar coordinates with described cannula slide; Or described sliding connector is a sleeve pipe, the track on described grain header silo is a straight-bar, and described sleeve pipe and described straight-bar are slidably matched.
Operation principle of the present invention is: physical pressure sensor is arranged on the full warning line place, silo storehouse of grain header, when cereal is stacked into warning line place, cereal extrudes described physical pressure sensor and makes it to produce displacement, and then described switching device closes, described warning circuit work, the prompting operating personnel that give a warning notice that grain header is in the full state in storehouse.
The invention has the advantages that:
(1) compression plate of right angle trigonometry taper is adopted, the natural shape that this conical by its shape can be piled into cereal is agreed with mutually, ensure that compression plate moves smooth and easy, Impact direction when right angle ensures the Contact of compression plate and cereal is Vertical Compression plate direction, make compression plate uniform force, susceptibility is higher;
(2) the shortest bus of compression plate is the design of 10-15cm, section vertex angle 38 °-50 °, both ensure that compression plate can not cause sensitivity decrease too little or too greatly, simultaneously because the natural angle of repose of cereal is between 34 °-54.3 °, proved by a large amount of tests, the design of 38 °-50 °, further ensure stressed even, the sensitivity of physical pressure sensor is promoted further, completely report to the police provide powerful guarantee for accurately controlling storehouse;
(3) the present invention is simple and reasonable, with low cost, and through test, sensor alarming is respond well, can be applicable on various agricultural harvester.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of warning device of the present invention;
The structural representation of Fig. 2 after to be physical pressure sensor of the present invention cut open along the longest bus-bar of its compression plate with the shortest bus;
Fig. 3 is the using state figure of physical pressure sensor of the present invention;
In figure, 1-physical pressure sensor, 2-compression plate longest bus-bar, the shortest bus of 3-compression plate, 4-sliding connector, 5-cereal is piled.
Embodiment
Technical scheme of the present invention is set forth further below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Fig. 2, the full warning device of a kind of harvesting cabin, comprise physical pressure sensor 1, switching device 10 and warning circuit 11, described physical pressure sensor 1 connects described switching device 10, described switching device 10 is the trigger switch of described warning circuit 11, control described warning circuit 11 to work, described physical pressure sensor 1 is arranged on the warning line place of grain header silo, described physical pressure sensor 1 comprises compression plate and sliding connector 4, described compression plate shape is right angle trigonometry taper, boring, its the shortest bus 3 length is 10-15cm, one end of described sliding connector 4 is arranged on the hollow position of described compression plate, track sliding on the other end and grain header silo is dynamically connected, for providing motion path for described compression plate.Applicant is through a large amount of test repeatedly, if find that the shortest bus 3 of the compression plate of this right angle trigonometry taper is longer than 15cm, then volume is too large, heavier-weight, and pressurized time shift is visibly moved is easily obstructed, and sensitivity is not high; And its shortest bus 3 is shorter than 10cm, then the volume of compression plate is too little again, is easily all flooded by cereal and loses the function of trigger alarm.
As further embodiment of the present invention, as shown in Figure 2, the right angled triangle formed for right-angle side with longest bus-bar 2 and the shortest bus 3 of described compression plate, the angle of its apex angle α is 38 °-50 °.In Fig. 2, 5 is cereal, its natural angle of repose is between 34 °-54.3 °, according to mechanical knowledge, we are not difficult to know, want physical pressure sensor fully contact with it and obtain good susceptibility, cereal 5 must be made directly to put forth effort on compression plate, therefore the shortest bus 3 must be identical or close with the natural angle of repose γ of cereal 5 with the angle between ground, by geometric knowledge, we are not difficult to know, angle between the shortest bus 3 and ground equals the apex angle α of the right angled triangle formed for right-angle side with the longest bus-bar 2 of described compression plate and the shortest bus 3, therefore the size of apex angle α is identical or close with the natural angle of repose γ of cereal 5.Applicant through a large amount of field trials and calculating, find the angle of apex angle α be 38 °-50 ° so in a low-angle interval time, the pressure-sensitivity that physical pressure sensor 1 can obtain, ensures the accuracy triggered of reporting to the police.
As further embodiment of the present invention, as shown in Figure 2, described sliding connector 4 is arranged on compression plate inside by longest bus-bar 2 with in the plane of the shortest bus structure 3 one-tenth, and vertical with longest bus-bar 2.This is because in the process of cereal accumulation, on compression plate, stressed maximum region is the region near its longest bus-bar 2, its movement tendency is also perpendicular to the direction of longest bus-bar 2, therefore want to obtain good sensitivity, the motion path of physical pressure sensor 1 must be vertical with longest bus-bar 2, therefore sliding connector 4 is arranged on compression plate inside by longest bus-bar 2 with in the plane of the shortest bus structure 3 one-tenth, and vertical with longest bus-bar 2.
As further embodiment of the present invention, as shown in Figure 3, described sliding connector 4 is a sleeve pipe, and the track on described grain header silo 6 is a straight-bar 7, and described sleeve pipe 4 is slidably matched with described straight-bar 7; Or sliding connector is a straight-bar, the track on described grain header silo is a sleeve pipe, and described straight-bar coordinates with described cannula slide.
Operation principle of the present invention is: when warning line hoarded by cereal, cereal 5 contacts 1 with physical pressure sensor and produces a pressure to it, physical pressure sensor 1 is subject to namely producing a displacement from the pressure of cereal, this displacement gauge tap device conducting 10, and then control warning circuit 11 works, alert trigger.
Above-mentioned embodiment is only the preferred embodiment of the present invention; any restriction is not carried out to protection scope of the present invention; those of ordinary skill in the art are not departing from the distortion and retouching done under essence of the present invention and technology enlightenment; all should be considered as within protection scope of the present invention, protection scope of the present invention is specifically depending on its claims.
Claims (3)
1. the full warning device of harvesting cabin, comprise physical pressure sensor, switching device and warning circuit, described physical pressure sensor connects described switching device, described switching device is the trigger switch of described warning circuit, control described warning circuit work, it is characterized in that: described physical pressure sensor comprises compression plate and sliding connector, described compression plate shape is right angle trigonometry taper, boring, its the shortest bus length is 10-15cm, one end of described sliding connector is arranged on the hollow position of described compression plate, track sliding on the other end and grain header silo is dynamically connected, for providing motion path for described compression plate, with the right angled triangle that the longest bus-bar of described compression plate and the shortest bus are formed for right-angle side, its corner angle is 38 °-50 °.
2. one gathers in the full warning device of cabin according to claim 1, it is characterized in that: described sliding connector is arranged in the inner plane be made up of longest bus-bar and the shortest bus of compression plate, and vertical with longest bus-bar.
3. one gathers in the full warning device of cabin according to claim 2, and it is characterized in that: described sliding connector is a straight-bar, the track on described grain header silo is a sleeve pipe, and described straight-bar coordinates with described cannula slide; Or described sliding connector is a sleeve pipe, the track on described grain header silo is a straight-bar, and described sleeve pipe and described straight-bar are slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526955.1A CN102972146B (en) | 2012-12-10 | 2012-12-10 | The full warning device of harvesting cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526955.1A CN102972146B (en) | 2012-12-10 | 2012-12-10 | The full warning device of harvesting cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102972146A CN102972146A (en) | 2013-03-20 |
| CN102972146B true CN102972146B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210526955.1A Expired - Fee Related CN102972146B (en) | 2012-12-10 | 2012-12-10 | The full warning device of harvesting cabin |
Country Status (1)
| Country | Link |
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| CN (1) | CN102972146B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6460971B2 (en) * | 2015-12-18 | 2019-01-30 | 株式会社クボタ | Combine |
| CN106289021A (en) * | 2016-08-15 | 2017-01-04 | 安庆银泰轴承有限公司 | A kind of bearing oil duct leakage detection apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2203444Y (en) * | 1993-12-27 | 1995-07-12 | 王碧君 | Gravity multi-point automatic charge level measuring sensor |
| JPH07236329A (en) * | 1994-03-03 | 1995-09-12 | Kubota Corp | Detecting unit for controlling reaping height in harvester |
| CN2748642Y (en) * | 2004-11-25 | 2005-12-28 | 山东里能里彦矿业有限公司 | Rocker type full storehouse protection sensor device of unloading system for coal mine main well |
| CN201194501Y (en) * | 2008-01-31 | 2009-02-18 | 阿布来提·依迪力斯 | Automatic drinking water feeding arrangement for poultry biology |
| CN202455869U (en) * | 2012-01-15 | 2012-10-03 | 福田雷沃国际重工股份有限公司 | Seed recovery groove warning device for corn harvester |
| CN202642582U (en) * | 2012-05-24 | 2013-01-02 | 上海金发科技发展有限公司 | Material overflow resistant structure of plastic particle storage tank |
-
2012
- 2012-12-10 CN CN201210526955.1A patent/CN102972146B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2203444Y (en) * | 1993-12-27 | 1995-07-12 | 王碧君 | Gravity multi-point automatic charge level measuring sensor |
| JPH07236329A (en) * | 1994-03-03 | 1995-09-12 | Kubota Corp | Detecting unit for controlling reaping height in harvester |
| CN2748642Y (en) * | 2004-11-25 | 2005-12-28 | 山东里能里彦矿业有限公司 | Rocker type full storehouse protection sensor device of unloading system for coal mine main well |
| CN201194501Y (en) * | 2008-01-31 | 2009-02-18 | 阿布来提·依迪力斯 | Automatic drinking water feeding arrangement for poultry biology |
| CN202455869U (en) * | 2012-01-15 | 2012-10-03 | 福田雷沃国际重工股份有限公司 | Seed recovery groove warning device for corn harvester |
| CN202642582U (en) * | 2012-05-24 | 2013-01-02 | 上海金发科技发展有限公司 | Material overflow resistant structure of plastic particle storage tank |
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| Publication number | Publication date |
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| CN102972146A (en) | 2013-03-20 |
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Granted publication date: 20151118 Termination date: 20171210 |