CN102972146A - Bin fullness warning device for harvester - Google Patents
Bin fullness warning device for harvester Download PDFInfo
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- CN102972146A CN102972146A CN2012105269551A CN201210526955A CN102972146A CN 102972146 A CN102972146 A CN 102972146A CN 2012105269551 A CN2012105269551 A CN 2012105269551A CN 201210526955 A CN201210526955 A CN 201210526955A CN 102972146 A CN102972146 A CN 102972146A
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- compression plate
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- pressure sensor
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Abstract
The invention discloses a bin fullness warning device for a harvester. The cabin fullness warning device comprises a physical pressure sensor, a switching device and a warning circuit, wherein the physical pressure sensor is connected with the switching device; the switching device is a trigger switch of the warning circuit, and is used for controlling the warning circuit to work; the physical pressure sensor comprises a pressed plate and a sliding connecting piece; the pressed plate is in the form of a right-angled triangular cone; the inside of the pressed plate is hollow; the length of a shortest bus is 10-15 centimeters; one end of the sliding connecting piece is arranged at the hollowed position of the pressed plate; and the other end of the sliding connecting piece is in sliding connection with a track on the grain bin of the harvester, and is used for providing a moving path for the pressed plate. A physical sensor is improved, so that high sensitivity is achieved, and the warning triggering accuracy is ensured; and the bin fullness warning device has the advantages of simple and reasonable structure, low cost and high reliability.
Description
Technical field
The invention belongs to the grain header automatic Monitoring System of Grain Depot, be specifically related to the warning device of a kind of Applied Physics sensor-triggered and automatic alarm, be applicable to granular material, report to the police such as the silo of the harvesting machines such as paddy, rape seed, wheat.
Background technology
Along with popularizing gradually of paddy rice harvesting machineryization, the feed quantity of grain header (the paddy weight of unit interval harvesting) progressively promotes, silo enter the also corresponding quickening of grain speed, if there is not the full warning device of reliable grain just to need the operator to note at any time the grain position of silo, and grain continue completely afterwards the harvesting will cause screw feeder to block, the screw feeder driving chain ruptures, even makes the accidents such as 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, the alarm that Multiple Type has been arranged on the market, mainly be divided into two classes: a kind of is the alarm that the physics induction triggers, only formed by sensor, alarming horn and connecting circuit, physics passes device owing to the pressure activated by paddy, and paddy is less to the silo lateral wall pressure in the silo, so reliability is lower; Another kind of is to utilize the sensor-triggered such as infrared, light-operated, and its reliability is higher, and price is relatively expensive, though supply is arranged on the market, demand is less.
Therefore be necessary to design a kind of both reliable, the economic full warning device of high performance-price ratio grain again.
Summary of the invention
The object of the invention is to improving the susceptibility of physical sensors to paddy pressure, thereby improve the reliability of warning system, simultaneously, need back and forth unloading, special case grain not to need the actual conditions of unloading when full for harvesting process, design the higher warning device of a kind of sensitivity.
The present invention for realizing the technical scheme that goal of the invention adopts is: 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 is shaped as the right angle trigonometry taper, boring, its the shortest bus length is 10-15cm, one end of described sliding connector is installed in the hollow position of described compression plate, track sliding on the other end and the grain header silo is dynamically connected, and is used to described compression plate that motion path is provided.
Further, take the longest bus-bar of described compression plate and the shortest bus as the right angled triangle that right-angle side was consisted of, its drift angle angle is 38 °-50 °.
Further, described sliding connector is installed in the plane that compression plate inside is made of longest bus-bar and the shortest bus, and vertical with longest bus-bar.
Further, described sliding connector is a straight-bar, and the track on the described grain header silo is a sleeve pipe, and described straight-bar and described sleeve pipe are slidingly matched; Perhaps described sliding connector is a sleeve pipe, and the track on the described grain header silo is a straight-bar, and described sleeve pipe and described straight-bar are slidingly matched.
Operation principle of the present invention is: physical pressure sensor is installed in the full warning line place, silo storehouse of grain header, when cereal is stacked into the warning line place, cereal pushes described physical pressure sensor and makes it to produce displacement, and then described switching device is closed, described warning circuit work gives a warning and reminds operating personnel to notice that grain header is in the full state in storehouse.
The invention has the advantages that:
(1) compression plate of employing right angle trigonometry taper, this conical in shape can be agreed with mutually with the natural shape that cereal is piled into, it is smooth and easy to guarantee that compression plate moves, the force direction that the is subjected to when right angle guarantees to contact between compression plate and the cereal is Vertical Compression plate direction, so that compression plate is stressed evenly, susceptibility is higher;
(2) the shortest bus of compression plate is the design of 38 °-50 ° of 10-15cm, section triangle drift angle, both guaranteed that compression plate can not cause too little or too greatly sensitivity, simultaneously because the natural angle of repose of cereal is between 34 °-54.3 °, by a large amount of evidences, 38 °-50 ° design, further guaranteed stressed evenly so that the sensitivity of physical pressure sensor further promotes, completely reporting to the police for accurate control storehouse provides powerful guarantee;
(3) the present invention is simple and reasonable, and is with low cost, and through test, sensor alarming is respond well, can be applicable on the various agricultural harvesters.
Description of drawings
Fig. 1 is the structured flowchart of warning device of the present invention;
Fig. 2 is the structural representation after physical pressure sensor of the present invention is cut open with the shortest bus along the longest bus-bar of its compression plate;
Fig. 3 is the use state diagram of physical pressure sensor of the present invention;
Among the figure, 1-physical pressure sensor, 2-compression plate longest bus-bar, the shortest bus of 3-compression plate, 4-sliding connector, 5-cereal heap.
Embodiment
Further set forth technical scheme of the present invention below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, shown in Figure 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 work, described physical pressure sensor 1 is installed in the warning line place of grain header silo, described physical pressure sensor 1 comprises compression plate and sliding connector 4, described compression plate is shaped as the right angle trigonometry taper, boring, its the shortest bus 3 length are 10-15cm, one end of described sliding connector 4 is installed in the hollow position of described compression plate, and the track sliding on the other end and the grain header silo is dynamically connected, and is used to described compression plate that motion path is provided.The applicant is longer than 15cm through a large amount of tests repeatedly if find the shortest bus 3 of the compression plate of this right angle trigonometry taper, and then volume is too large, and weight is heavier, and the pressurized time shift is visibly moved easily is obstructed, and sensitivity is not high; And its shortest bus 3 is shorter than 10cm, and then the volume of compression plate is too little again, easily by cereal all flood and lose the function of trigger alarm.
As further embodiment of the present invention, as shown in Figure 2, take the longest bus-bar 2 of described compression plate and the shortest bus 3 as the right angled triangle that right-angle side was consisted of, the angle of its apex angle α is 38 °-50 °.Among Fig. 2, the 5th, cereal, its natural angle of repose is between 34 °-54.3 °, we are not difficult to know according to mechanical knowledge, want physical pressure sensor and fully contact and obtain preferably susceptibility with it, must so that cereal 5 directly 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 angle between the ground, we are not difficult to know by geometric knowledge, angle between the shortest bus 3 and the ground equals the longest bus-bar 2 and the shortest bus 3 apex angle α as the right angled triangle that right-angle side was consisted of take described compression plate, so the size of apex angle α is identical or close with the natural angle of repose γ of cereal 5.The applicant is through a large amount of field trial and calculating, and the angle of finding apex angle α is 38 °-50 ° so in low-angle interval the time, the pressure-sensitivity that physical pressure sensor 1 can obtain, the accuracy of the triggering that guarantees to report to the police.
As further embodiment of the present invention, as shown in Figure 2, described sliding connector 4 is installed in the plane of compression plate inside by longest bus- bar 2 and 3 one-tenth of the shortest bus structures, and vertical with longest bus-bar 2.This is because in the process that cereal is piled up, the zone of stressed maximum is near the zone its longest bus-bar 2 on the compression plate, its movement tendency also is perpendicular to the direction of longest bus-bar 2, therefore want to obtain preferably sensitivity, the motion path of physical pressure sensor 1 must be vertical with longest bus-bar 2, therefore sliding connector 4 is installed in the plane of compression plate inside by longest bus- bar 2 and 3 one-tenth of the shortest bus structures, 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 the described grain header silo 6 is a straight-bar 7, and described sleeve pipe 4 is slidingly matched with described straight-bar 7; Perhaps sliding connector is a straight-bar, and the track on the described grain header silo is a sleeve pipe, and described straight-bar and described sleeve pipe are slidingly matched.
Operation principle of the present invention is: when cereal is hoarded warning line, cereal 5 contacts 1 and it is produced a pressure with physical pressure sensor, 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 11 work of control warning circuit, trigger alarm.
Above-mentioned embodiment only is preferred embodiment of the present invention; protection scope of the present invention is not carried out any restriction; those of ordinary skills are not breaking away from distortion and the retouching of doing under the enlightenment of essence of the present invention and technology; all should be considered as within protection scope of the present invention, protection scope of the present invention is specifically decided on its claims.
Claims (4)
1. a harvesting cabin is expired warning device, 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 is shaped as the right angle trigonometry taper, boring, its the shortest bus length is 10-15cm, one end of described sliding connector is installed in the hollow position of described compression plate, and the track sliding on the other end and the grain header silo is dynamically connected, and is used to described compression plate that motion path is provided.
2. the full warning device of described a kind of harvesting cabin according to claim 1 is characterized in that: take the longest bus-bar of described compression plate and the shortest bus as the right angled triangle that right-angle side was consisted of, its drift angle angle is 38 °-50 °.
3. the full warning device of described a kind of harvesting cabin according to claim 1 and 2 is characterized in that: described sliding connector is installed in the plane that compression plate inside is made of longest bus-bar and the shortest bus, and vertical with longest bus-bar.
4. described a kind of harvesting cabin is expired warning device according to claim 3, and it is characterized in that: described sliding connector is a straight-bar, and the track on the described grain header silo is a sleeve pipe, and described straight-bar and described sleeve pipe are slidingly matched; Perhaps described sliding connector is a sleeve pipe, and the track on the described grain header silo is a straight-bar, and described sleeve pipe and described straight-bar are slidingly 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 true CN102972146A (en) | 2013-03-20 |
| CN102972146B CN102972146B (en) | 2015-11-18 |
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| 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 |
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| Country | Link |
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| CN (1) | CN102972146B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106982592A (en) * | 2015-12-18 | 2017-07-28 | 株式会社久保田 | United reaper |
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982592A (en) * | 2015-12-18 | 2017-07-28 | 株式会社久保田 | United reaper |
| CN106982592B (en) * | 2015-12-18 | 2021-04-20 | 株式会社久保田 | Combine harvester |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102972146B (en) | 2015-11-18 |
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Granted publication date: 20151118 Termination date: 20171210 |