CN110596152B - Intelligent detection device for grain moisture volume weight - Google Patents
Intelligent detection device for grain moisture volume weight Download PDFInfo
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- CN110596152B CN110596152B CN201910869364.6A CN201910869364A CN110596152B CN 110596152 B CN110596152 B CN 110596152B CN 201910869364 A CN201910869364 A CN 201910869364A CN 110596152 B CN110596152 B CN 110596152B
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 239000012528 membrane Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 240000008042 Zea mays Species 0.000 abstract description 77
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 75
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 55
- 235000005822 corn Nutrition 0.000 abstract description 55
- 238000005259 measurement Methods 0.000 abstract description 5
- 235000013339 cereals Nutrition 0.000 description 59
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 20
- 235000009973 maize Nutrition 0.000 description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 14
- 235000017491 Bambusa tulda Nutrition 0.000 description 14
- 241001330002 Bambuseae Species 0.000 description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 14
- 239000011425 bamboo Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 208000003643 Callosities Diseases 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 2
- 235000007244 Zea mays Nutrition 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229940089639 cornsilk Drugs 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000001231 zea mays silk Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention belongs to the technical field of moisture detection, in particular to an intelligent detection device for grain moisture volume weight; the microwave oven comprises a shell, wherein a microwave emitter is arranged at the bottom of the inner side of the shell, a microwave receiver is arranged at the top of the inner side of the shell, an outer shielding cylinder is arranged in the middle of the inner side of the shell, a supporting rod is arranged at the bottom of the outer shielding cylinder, and the supporting rod is fixedly connected with the inner wall of the shell; an inner shielding cylinder is fixedly connected to the top of the supporting rod; according to the corn cob detection device, the inner shielding cylinder is arranged, when microwaves emitted by the microwave emitter vertically propagate upwards, the corn cob is shielded by the inner shielding cylinder below, the microwaves emitted by the microwave emitter cannot penetrate through the corn cob through the inner shielding cylinder, the microwaves passing through the inner shielding cylinder and the outer shielding cylinder just pass through corn kernels on the outermost side of corn with cob, and the microwaves passing through the corn kernels are finally received by the microwave receiver, so that the influence of the corn cob on moisture measurement can be reduced, and the detection precision is improved.
Description
Technical Field
The invention belongs to the technical field of moisture detection, and particularly relates to an intelligent detection device for grain moisture volume weight.
Background
Grain moisture is an important quality reference basis for grain storage and grain processing, the moisture level directly influences the smooth processing and storage, and the volume weight is an important factor influencing the quality of processed products and the processing method. The intelligent detection system helps farmers, large grain-planting households and grain collection, storage and processing enterprises, reasonably utilizes grain resources, carries out intelligent scientific detection on grain moisture, outputs accurate data in real time, and brings considerable economic benefit and social benefit to the farmers and the enterprises. Traditional grain moisture detection detects some threshed grains, but with the development of economy, some peasants go out for a long time to do work, and after the grains are mature, leave home for busy, so that the grains need to be sold in time for timely going out, and grain purchasing enterprises purchase corns with cores at present.
When the existing moisture detection device detects corn with a corn cob, if the corn cob is detected together with the corn cob, the corn cob is influenced by the humidity of the corn cob, the interference to the moisture is large during detection, corn kernels are often required to be threshed and then placed into the moisture detection device for detection, particularly, corn kernels which are not dry enough are easy to damage during mechanical threshing, the corn kernels are required to be threshed manually, and the efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent detection device for the grain moisture volume weight, which is mainly used for shielding corncobs of corncob-containing corns through an inner shielding cylinder so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent grain moisture volume weight detection device comprises a shell, wherein a microwave emitter is arranged at the bottom of the inner side of the shell, a microwave receiver is arranged at the top of the inner side of the shell, an outer shielding cylinder is arranged in the middle of the inner side of the shell, a supporting rod is arranged at the bottom of the outer shielding cylinder, and the supporting rod is fixedly connected with the inner wall of the shell; an inner shielding cylinder is fixedly connected to the top of the supporting rod, and two arc plates are arranged on the inner side of the inner shielding cylinder and used for limiting detected objects; during operation, can put the corncob maize on the interior shielding section of thick bamboo, the great one end of corncob maize diameter contacts with interior shielding section of thick bamboo top, and when the microwave of microwave transmitter transmission upwards vertically propagates, the corncob is shielded by the interior shielding section of thick bamboo of below, and the microwave of microwave transmitter transmission can not pass the corncob through interior shielding section of thick bamboo, and the microwave that passes through just passes through the kernel of corn process outside of corncob maize between interior shielding section of thick bamboo and the outer shielding section of thick bamboo, and the microwave that passes through from the kernel of corn is finally received by the microwave receiver, can reduce the influence of corncob to the moisture measurement, has improved the precision of detection.
Preferably, the arc plate is connected with a hydraulic rod, the hydraulic rod is arranged on the outer side wall of the outer shielding cylinder, and the bottom of the arc plate is provided with a fixing ring; because maize is big in one end, and is small in one end, the microwave of shielding through interior shielding section of thick bamboo can only pierce through the maize grain in the outside of the great corncob of diameter below maize, can't pierce through one row of maize grain in the vertical direction simultaneously, influence the precision of detection, at this moment, through controlling one of them hydraulic stem extension, drive the arc board that is connected with it and promote the corncob maize slope, simultaneously control another hydraulic stem shrink, finally two arc boards contact with the maize, and incline the maize, make the maize grain in one of them vertical row be in same vertical direction, the microwave can pierce through this row of maize grain completely, more accurate detection has been realized.
Preferably, the inner side wall of the inner shielding cylinder is connected with a supporting film, the middle part of the supporting film is connected with a plurality of pull ropes, and the pull ropes are used for being connected with the fixed ring so that the supporting film is in a round table shape; when detecting corn with cores, the stay cord on the support film is not connected with the fixed ring, when detecting other grains, the stay cord can be lifted up, the stay cord is wound on the fixed ring, then the microwave receiver arranged at the top and the microwave emitter arranged at the bottom are detached, the rear parts are respectively arranged at the corresponding positions of the inner wall of the shell at the bottom of the inner shielding cylinder, grains are put down from the top of the support film in the shape of a circular table, the grains slide down along the upper surface of the support film, fall down in the shape of a waterfall through the surface of the support film, and the uniformity in detection is higher.
Preferably, the surface of the support film is provided with a plurality of annular gaskets, and the surface of each annular gasket is provided with a leak; the ring gasket can be when detecting the corncob, with a plurality of ring gaskets mutual extrusion ring gasket, a plurality of ring gaskets can form a plane, when placing the corncob, play a cushioning effect, simultaneously when drawing up the support membrane, a plurality of ring gaskets can distribute the position department at different co-altitude, the grain of process can have an obvious jump action when the ring gasket of process, can make grain surface impurity, clay and grain separation, through the leak opening and the grain separation on ring gasket surface, the grain purity degree of finally falling is higher, the probability of being disturbed is little when detecting, the accuracy when further having improved the detection.
Preferably, the leak hole of the annular gasket is provided with a hinged plate, the hinged plate is connected with an elastic rope, the elastic rope penetrates through the leak hole and is connected with the support membrane, the annular gasket and the hinged plate are provided with a contact plate at the same horizontal height, the distance from the hinged plate to the center of the support membrane is closer than the distance from the contact plate on the same annular gasket to the center of the support membrane, and the contact plate is contacted with the hinged plate; the hinged plate can shield grains when the grains fall, so that grains are dispersed, and wool-like impurities such as corn silk are separated, when the grains strike the hinged plate, the elastic rope is driven to stretch, and when the elastic rope is restored, the hinged plate is driven to stir the grains, so that the impurities on the surface of the grains are further dispersed.
Preferably, the hinge plate is connected with a baffle plate for preventing the hinge plate from rotating into the annular gasket through the leak hole under the pulling of the elastic rope, a plurality of bulges are arranged at the bottom of the hinge plate, and the surfaces of the bulges are provided with air blowing holes; when the elastic rope pulls the hinged plate to return, the hinged plate collides with the annular gasket due to inertia, so that the bulge is extruded on the annular gasket, gas in the bulge can be blown out, and dust in grains is separated.
The invention has the technical effects and advantages that:
1. according to the intelligent detection device for grain moisture volume weight, the inner shielding cylinder is arranged, when microwaves emitted by the microwave emitter vertically propagate upwards, the corncob is shielded by the inner shielding cylinder below, the microwaves emitted by the microwave emitter cannot penetrate through the corncob through the inner shielding cylinder, the microwaves passing through the inner shielding cylinder and the outer shielding cylinder just penetrate through corn kernels on the outermost side of corn with the corn cob, and the microwaves passing through the corn kernels are finally received by the microwave receiver, so that the influence of the corncob on moisture measurement can be reduced, and the detection precision is improved.
2. According to the intelligent detection device for grain moisture volume weight, provided by the invention, through the arrangement of the hydraulic rods, microwaves shielded by the inner shielding cylinder can only penetrate through corn kernels on the outer side of a corn cob with larger diameter below the corn, and can not penetrate through a row of corn kernels in the vertical direction at the same time, so that detection precision is affected.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the operation of the support membrane of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3 in accordance with the present invention;
in the figure: the microwave oven comprises a shell 1, a microwave emitter 2, a microwave receiver 3, an outer shielding cylinder 4, a supporting rod 5, an inner shielding cylinder 6, an arc plate 7, a hydraulic rod 8, a supporting film 9, a pull rope 10, a ring gasket 11, a leak hole 12, a hinged plate 13, an elastic rope 14, a contact plate 15, a baffle 16 and a bulge 17.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-4, the intelligent detection device for grain moisture volume weight comprises a shell 1, wherein a microwave emitter 2 is arranged at the bottom of the inner side of the shell 1, a microwave receiver 3 is arranged at the top of the inner side of the shell 1, an outer shielding cylinder 4 is arranged in the middle of the inner side of the shell 1, a supporting rod 5 is arranged at the bottom of the outer shielding cylinder 4, and the supporting rod 5 is fixedly connected with the inner wall of the shell 1; an inner shielding cylinder 6 is fixedly connected to the top of the supporting rod 5, and two arc plates 7 are arranged on the inner side of the inner shielding cylinder 6 and used for limiting detected objects; during operation, can put the corncob maize on interior shielding section of thick bamboo 6, the great one end of corncob maize diameter contacts with interior shielding section of thick bamboo 6 top, when the microwave of microwave emitter 2 transmission upwards vertical propagation, the corncob is shielded by interior shielding section of thick bamboo 6 of below, the microwave of microwave emitter 2 transmission can not pass the corncob through interior shielding section of thick bamboo 6, the microwave that passes through between interior shielding section of thick bamboo 6 and the outer shielding section of thick bamboo 4 just passes through the kernel of corn that the corncob maize passes through, the microwave that passes through from the kernel of corn is finally received by microwave receiver 3, can reduce the influence of corncob to the moisture measurement, the precision of detection has been improved.
The arc plate 7 is connected with a hydraulic rod 8, the hydraulic rod 8 is arranged on the outer side wall of the outer shielding cylinder 4, and a fixing ring is arranged at the bottom of the arc plate 7; because maize is big on one end, and is small on one end, the microwave of the bigger corncob outside of diameter below the maize can only be penetrated through to the shielding of through interior shielding section of thick bamboo 6, can't penetrate one row of corncob in the vertical direction simultaneously, influence the precision of detection, at this moment, through controlling the extension of one of them hydraulic stem 8, drive the arc board 7 that is connected with it and promote the corncob maize slope, control the shrink of another hydraulic stem 8 simultaneously, finally two arc boards 7 and maize contact, and incline the maize, make the corncob on one of them vertical row be in same vertical direction, the microwave can penetrate this row of corncob completely, more accurate detection has been realized.
The inner side wall of the inner shielding cylinder 6 is connected with a supporting film 9, the middle part of the supporting film 9 is connected with a plurality of pull ropes 10, and the pull ropes 10 are used for being connected with a fixed ring so that the supporting film 9 is in a round table shape; when corn with cores is detected, the pull rope 10 on the support film 9 is not connected with the fixed ring, when other grains are detected, the pull rope 10 can be lifted, the pull rope 10 is wound on the fixed ring, then the microwave receiver 3 arranged at the top and the microwave emitter 2 arranged at the bottom are detached, the microwave receiver 3 and the microwave emitter 2 arranged at the bottom are respectively arranged at the corresponding positions of the inner wall of the shell 1 at the bottom of the inner shielding cylinder 6, grains slide downwards along the upper surface of the support film 9 by putting down the grains from the top of the support film 9 in a circular table shape, and the grains fall down in a waterfall shape through the surface of the support film 9, so that the uniformity in detection is higher.
The surface of the supporting film 9 is provided with a plurality of annular gaskets 11, and the surface of the annular gaskets 11 is provided with leakage holes 12; when the corncob corn is detected, the annular gaskets 11 are mutually extruded to form the annular gaskets 11, the annular gaskets 11 can form a plane, the corncob corn is placed to play a buffering role, meanwhile, when the supporting film 9 is pulled up, the annular gaskets 11 can be distributed at positions with different heights, and through grains, obvious jump motions can be carried out when the grains pass through the annular gaskets 11, impurities, clay and grains on the surfaces of the grains can be separated, the leakage holes 12 on the surfaces of the annular gaskets 11 are separated from the grains, the purity of the finally fallen grains is higher, the probability of being disturbed during detection is small, and the accuracy during detection is further improved.
The ring gasket 11 is provided with a hinged plate 13 at a leak hole 12, the hinged plate 13 is connected with an elastic rope 14, the elastic rope 14 penetrates through the leak hole 12 and is connected with the support membrane 9, the ring gasket 11 is provided with a contact plate 15 at the same level as the hinged plate 13, the distance from the hinged plate 13 to the center of the support membrane 9 is closer than the distance from the contact plate 15 on the same ring gasket 11 to the center of the support membrane 9, and the contact plate 15 is contacted with the hinged plate 13; the hinged plate 13 can shield grains when the grains fall, so that grains are dispersed, and wool-like impurities such as corn silk are separated, when the grains strike the hinged plate 13, the elastic rope 14 is driven to stretch, and when the elastic rope 14 is restored, the hinged plate 13 is driven to stir the grains, so that the impurities on the surface of the grains are further dispersed.
The baffle 16 is connected to the hinged plate 13 and used for blocking the hinged plate 13 from rotating into the annular gasket 11 through the leak hole 12 under the pulling of the elastic rope 14, a plurality of bulges 17 are arranged at the bottom of the hinged plate 13, and a blowing hole is formed in the surface of each bulge 17; when the elastic rope 14 pulls the hinged plate 13 to return, the hinged plate 13 collides with the annular gasket 11 due to inertia, the bulge 17 is pressed on the annular gasket 11, and gas in the bulge 17 is blown out to separate dust in grains.
When the corn cob detection device works, corn with cob can be placed on the inner shielding cylinder 6, one end with larger diameter of the corn cob is contacted with the top of the inner shielding cylinder 6, when microwaves emitted by the microwave emitter 2 vertically propagate upwards, the corn cob is shielded by the lower inner shielding cylinder 6, microwaves emitted by the microwave emitter 2 cannot penetrate through the corn cob through the inner shielding cylinder 6, microwaves passing through between the inner shielding cylinder 6 and the outer shielding cylinder 4 just pass through corn kernels on the outermost side of the corn cob, and microwaves passing through the corn kernels are finally received by the microwave receiver 3, so that the influence of the corn cob on moisture measurement can be reduced, the detection precision is improved, and because one end of the corn is large and the other end of the corn cob is small, the microwaves shielded by the inner shielding cylinder 6 only can penetrate through corn kernels on the outer side of the corn cob with larger diameter below the corn cob, and cannot penetrate a row of corn kernels in the vertical direction at the same time, so that the detection precision is influenced, by controlling one of the hydraulic rods 8 to extend, driving the arc plate 7 connected with the hydraulic rods to push the corn with the cob to incline, simultaneously controlling the other hydraulic rod 8 to shrink, finally, the two arc plates 7 are contacted with the corn, and inclining the corn, so that the corn grains on one vertical row are positioned in the same vertical direction, the microwave can completely penetrate the corn grains on the row, achieve more accurate detection, when detecting the corn with the cob, the pull rope 10 on the support film 9 is not connected with a fixed ring, when detecting other grains, the pull rope 10 can be lifted upwards, the pull rope 10 is wound on the fixed ring, then, after the microwave receiver 3 arranged at the top and the microwave emitter 2 arranged at the bottom are disassembled, the microwave receiver 3 arranged at the bottom and the microwave emitter 2 arranged at the bottom are respectively arranged at the corresponding position of the inner wall of the shell 1 at the bottom of the inner shielding cylinder 6, and by putting down the grains from the top of the support film 9 in a round table shape, the grains slide down along the upper surface of the support film 9, through falling in the form of a waterfall on the surface of the supporting film 9, the uniformity in detection is higher
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a grain moisture volume weight intelligent detection device, includes shell (1), its characterized in that: the microwave oven comprises a shell (1), wherein a microwave emitter (2) is arranged at the bottom of the inner side of the shell (1), a microwave receiver (3) is arranged at the top of the inner side of the shell (1), an outer shielding cylinder (4) is arranged in the middle of the inner side of the shell (1), a supporting rod (5) is arranged at the bottom of the outer shielding cylinder (4), and the supporting rod (5) is fixedly connected with the inner wall of the shell (1); an inner shielding cylinder (6) is fixedly connected to the top of the supporting rod (5), and two arc plates (7) are arranged on the inner side of the inner shielding cylinder (6) and used for limiting detected objects;
the arc plate (7) is connected with a hydraulic rod (8), the hydraulic rod (8) is arranged on the outer side wall of the outer shielding cylinder (4), and a fixing ring is arranged at the bottom of the arc plate (7);
the inner shielding cylinder (6) is characterized in that a supporting film (9) is connected to the inner side wall of the inner shielding cylinder (6), a plurality of pull ropes (10) are connected to the middle of the supporting film (9), and the pull ropes (10) are used for being connected with a fixing ring, so that the supporting film (9) is in a round table shape.
2. The intelligent detection device for grain moisture volume weight according to claim 1, wherein: the surface of the support film (9) is provided with a plurality of annular gaskets (11), and the surface of the annular gaskets (11) is provided with leakage holes (12).
3. The intelligent detection device for grain moisture volume weight according to claim 2, wherein: the novel plastic rubber sealing ring is characterized in that a hinged plate (13) is arranged at a leak hole (12) of the annular gasket (11), an elastic rope (14) is connected to the hinged plate (13), the elastic rope (14) penetrates through the leak hole (12) and is connected with the support membrane (9), a contact plate (15) is arranged at the position, which is located at the same horizontal height, of the annular gasket (11) and the hinged plate (13), the distance from the hinged plate (13) to the center of the support membrane (9) is shorter than the distance from the contact plate (15) located on the same annular gasket (11) to the center of the support membrane (9), and the contact plate (15) is in contact with the hinged plate (13).
4. The intelligent detection device for grain moisture volume weight according to claim 3, wherein: the hinge plate (13) is connected with a baffle plate (16) for blocking the hinge plate (13) from rotating to the inside of the annular gasket (11) through the leak hole (12) under the pulling of the elastic rope (14), a plurality of bulges (17) are arranged at the bottom of the hinge plate (13), and the surface of the bulges (17) is provided with a blowing hole.
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| CN201910869364.6A CN110596152B (en) | 2019-09-16 | 2019-09-16 | Intelligent detection device for grain moisture volume weight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869364.6A CN110596152B (en) | 2019-09-16 | 2019-09-16 | Intelligent detection device for grain moisture volume weight |
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| Publication Number | Publication Date |
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| CN110596152A CN110596152A (en) | 2019-12-20 |
| CN110596152B true CN110596152B (en) | 2024-02-20 |
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| CN201910869364.6A Active CN110596152B (en) | 2019-09-16 | 2019-09-16 | Intelligent detection device for grain moisture volume weight |
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