CN109187477B - Detection device for aflatoxin residue of grain drying machine - Google Patents
Detection device for aflatoxin residue of grain drying machine Download PDFInfo
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- CN109187477B CN109187477B CN201811128179.3A CN201811128179A CN109187477B CN 109187477 B CN109187477 B CN 109187477B CN 201811128179 A CN201811128179 A CN 201811128179A CN 109187477 B CN109187477 B CN 109187477B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
Abstract
The invention discloses an aflatoxin residue detection device of a grain drier, which comprises a drier shell and a detection plate, wherein an air heating pipe is fixedly arranged on the inner side wall of the drier shell, the detection plate is horizontally arranged in the drier shell, one end of the detection plate is fixedly connected with a plate shaft, the plate shaft is rotatably inserted into an insertion hole, and one end of the plate shaft, which is far away from the detection plate, is fixedly connected to an overturning motor through a coupler; the dryer is characterized in that a feeding hole is formed in the top of the dryer shell, a blanking pipe is arranged in the feeding hole, and a squeezing hole and a push plate hole are symmetrically formed in the side wall of the dryer shell respectively. By arranging the detection plate, the method can detect the grains without aflatoxin in a state without shutdown, classifies the grains in real time, does not mix the grains with aflatoxin with normal grains, greatly improves the detection efficiency, has strong practicability, and is very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of aflatoxin detection, in particular to an aflatoxin residue detection device of a grain drier.
Background
Aspergillus flavus, fungi imperfecti, a common saprophytic fungus, are mostly found on mildewed grains, grain products and other mildewed organic matters, bacterial colony grows fast, the structure is loose, the surface is grey green, the back surface is colorless or slightly brown, the aflatoxin is classified as 1 type carcinogen by cancer research institutions, and is a highly toxic substance, the hazard of the aflatoxin is that human and animal liver tissues are destroyed, and liver cancer and even death can be caused when the aflatoxin is serious, the aflatoxin b1 is most common in naturally polluted foods, the toxicity and carcinogenicity are also strongest, and in order to save time and ensure cases of eaters, the aflatoxin residue detection is required to be synchronously carried out on the grains such as peanuts and the like during cleaning and drying.
In order to solve the defects, the pesticide residue detection device of the grain dryer with the application number of '201710540931.4' enables the pesticide detection and the drying of grains to be carried out together, thereby saving time; wherein the grain collecting box that the straight line step motor drove makes can find out the cereal that pesticide residue exceeds standard after detecting, leads to the cereal that pesticide residue exceeds standard can not mix with the normal cereal after the stoving to can not cause the influence to cereal quality.
However, the device for detecting pesticide residue in the grain dryer still has the following obvious defects: 1 when detecting harmful residue on the cereal, the cereal collecting box can retrieve the collection to cereal, and the last conveyer belt of top just also can not continue to detect cereal this moment, need close the conveyer belt or stop the feeding, prevents that follow-up no remaining cereal that comes in from also getting into the cereal collecting box and taking place to mix, and this kind detects and has just need to stop after remaining cereal to detect the mode that detects the operation and influenced detection efficiency greatly, and is very inconvenient.
Disclosure of Invention
The invention aims to provide a device for detecting aflatoxin residue of a grain drier, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the device for detecting aflatoxin residue of the grain drier comprises a drier shell and a detection plate, wherein an air heating pipe is fixedly arranged on the inner side wall of the drier shell, the detection plate is horizontally arranged in the drier shell, one end of the detection plate is fixedly connected with a plate shaft, the plate shaft is rotatably inserted into an insertion hole, the insertion hole is formed in the outer side wall of the drier shell, and one end, far away from the detection plate, of the plate shaft is fixedly connected to a turnover motor through a coupling;
the dryer comprises a dryer shell and is characterized in that a feeding hole is formed in the top of the dryer shell, a blanking pipe is arranged in the feeding hole, a material extruding hole and a plate pushing hole are symmetrically formed in the side wall of the dryer shell respectively, the material extruding hole and the plate pushing hole are arranged between a plate shaft and the feeding hole, a push plate is movably arranged in the plate pushing hole, one end, away from the material extruding hole, of the push plate is fixedly connected with a first electric push rod, a recovery frame and a material storage frame are arranged on one side, away from the feeding hole, of a detection plate respectively;
the detection plate is provided with a plurality of detection holes, the side wall of each detection hole is symmetrically provided with an ultraviolet line groove and a sensor groove, an ultraviolet lamp is arranged in each ultraviolet line groove, a color sensor is arranged in each sensor groove, the side wall of each detection hole is provided with a rotating groove, a rotating motor and a single chip microcomputer are arranged in each rotating groove, a rotating rod is fixedly connected to a motor spindle of each rotating motor, a carrying column is fixedly connected to each rotating rod, the carrying columns are movably arranged in the detection holes, and the color sensors and the rotating motors are both electrically connected to the single chip microcomputer;
the turnover motor, the electric push rod I, the ultraviolet lamp, the color sensor, the rotating motor and the single chip microcomputer are all electrically connected to an external power supply.
Preferably, the color sensor recognizes blue fluorescence and green fluorescence.
Preferably, both sides of the detection plate are fixedly connected with side baffles.
Preferably, the turnover motor and the electric push rod are both fixedly mounted on a right-angle mounting rod, and the right-angle mounting rod is fixedly connected to the outer side wall of the dryer shell.
Preferably, the material extruding opening is provided with a reuse box, and the reuse box is fixedly connected to the outer side wall of the shell of the dryer.
Preferably, one end, close to the detection plate, of the blanking pipe is fixedly connected with a horn cover, an inclined block is arranged in the horn cover, and the inclined block is fixed on the horn cover through a connecting rod.
Preferably, the side wall of one side of the discharging pipe is fixedly connected with a second electric push rod, the second electric push rod is fixed on the shell of the drying machine, and the second electric push rod is electrically connected with an external power supply.
Compared with the prior art, the invention has the beneficial effects that:
the grain to be detected is fed onto the detection plate through the feeding pipe, the detection hole is formed in the detection plate, the grain can directly and uniformly fall into the detection hole, redundant grain can be pushed out by the push plate and fall into the reusable box, the part of grain is detected again next time, the grain falling into the detection hole can be excited to emit blue or green fluorescence by the ultraviolet lamp if the grain has aflatoxin, and can be identified by the color sensor, so that a data signal is transmitted to the single chip microcomputer, the single chip microcomputer controls the rotating motor to rotate, the carrying column is driven to rotate, the grain with the aflatoxin can directly fall into the recovery frame downwards, otherwise, the grain without the aflatoxin can not be excited to emit blue or green fluorescence by the ultraviolet lamp, the grain can continuously stay in the detection hole, and is driven by the overturning motor, so that normal grains directly move along with the turned detection plate and then fall into the material storage frame to realize the residual detection of aflatoxin.
By arranging the detection plate, the method can detect the grains without aflatoxin in a state without shutdown, classifies the grains in real time, does not mix the grains with aflatoxin with normal grains, greatly improves the detection efficiency, has strong practicability, and is very worthy of popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the overall structure of the present invention;
FIG. 3 is a schematic top view of a dryer housing of the present invention;
FIG. 4 is a schematic view of a rotary slot structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a structure of a detection plate according to the present invention;
FIG. 6 is a schematic top view of a detecting plate structure according to the present invention;
FIG. 7 is an enlarged view of the structure of the area A of the present invention;
FIG. 8 is an enlarged view of the structure of the area B according to the present invention;
FIG. 9 is an enlarged view of the structure of the region C according to the present invention;
fig. 10 is a schematic diagram of electrical connection of pins of the single chip in the embodiment of the invention.
In the figure: 1 dryer shell, 2 detection boards, 3 board axles, 4 jacks, 5 upset motors, 6 couplings, 7 feed inlets, 8 blanking pipes, 81 horn covers, 82 inclined blocks, 83 connecting rods, 84 electric push rod two, 9 extrusion ports, 10 push plate ports, 11 push plates, 12 electric push rod one, 13 recovery frames, 14 material storage frames, 15 detection holes, 16 ultraviolet wire grooves, 17 sensor grooves, 18 ultraviolet lamps, 19 color sensors, 20 rotating grooves, 21 rotating motors, 22 motor spindles, 23 single-chip microcomputers, 24 rotating rods, 25 object carrying columns, 26 side baffles, 27 right-angle mounting rods, 28 reuse boxes, 29 air heating pipes, 100 peanut cereals.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution:
a detection device for aflatoxin residue of a grain drier comprises a drier shell 1 and a detection plate 2, wherein an air heating pipe 29 is fixedly arranged on the inner side wall of the drier shell 1, the air heating pipe 29 is a heating pipe of GGQ-B02.01.220.9K model of Nuobei electric company Limited, Yangzhong, and is used for heating and drying peanut grains 100 inside the drier shell 1, the detection plate 2 is horizontally arranged in the drier shell 1, one end of the detection plate 2 is fixedly connected with a plate shaft 3, the plate shaft 3 is rotatably inserted in a jack 4, the jack 4 is arranged on the outer side wall of the drier shell 1, the detection plate 2 can rotate along with the plate shaft 3, side baffles 26 are fixedly connected on two sides of the detection plate 2, the peanut grains 100 falling from the upper part are prevented from falling from two sides of the detection plate 2, one end of the plate shaft 3, which is far away from the detection plate 2, the turning motor 5 is a direct-current brush motor XYD-15A type rotating motor of Zhejiang sun-facing gear electromechanical limited company, can directly rotate after a switch is started, the turning motor 5 rotates when the switch of a worker is started, and the plate shaft 3 is driven to rotate through the coupler 6, so that peanut grains 100 which are normal and do not contain aflatoxin on the detection plate 2 are conveyed to the material storage frame 14 in a rotating mode.
The top of the dryer shell 1 is provided with a feeding hole 7, the feeding hole 7 is provided with a transverse opening, a feeding pipe 8 is arranged in the feeding hole 7, the feeding pipe 8 is used for feeding peanut grains 100, one end, close to the detection plate 2, of the feeding pipe 8 is fixedly connected with a horn cover 81, an inclined block 82 is arranged in the horn cover 81, the inclined block 82 is fixed on the horn cover 81 through a connecting rod 83, the horn cover 81 and the inclined block 82 are arranged, so that the peanut grains 100 can be better and more uniformly distributed in the feeding process, one side wall of the feeding pipe 8 is fixedly connected with a second electric push rod 84, the second electric push rod 84 is fixed on the dryer shell 1, the second electric push rod 84 is electrically connected with an external power supply, in order to better enable the peanut grains 100 to uniformly fall onto the detection plate 2, the second electric push rod 84 is an HB-DJ806 type push rod produced by Hongba mechanical, the built-in driving motor, the workman can directly control the stroke of electric putter two 84 through the switch, realizes reciprocal linear motion, through the reciprocating motion of electric putter two 84, drives blanking pipe 8 and realizes the motion on the straight line.
The side wall of the dryer shell 1 is respectively symmetrically provided with a squeezing opening 9 and a pushing plate opening 10, the squeezing opening 9 is provided with a reusable box 28, the reusable box 28 is fixedly connected to the outer side wall of the dryer shell 1, the squeezing opening 9 is used for collecting excessive peanut grains 100 which cannot enter the detection hole 15 on the detection plate 2, the squeezing opening 9 and the pushing plate opening 10 are both arranged between the plate shaft 3 and the feed inlet 7, the pushing plate 11 is movably arranged in the pushing plate opening 10, one end, far away from the squeezing opening 9, of the pushing plate 11 is fixedly connected with an electric push rod I12, the electric push rod I12 is also an HB-DJ806 type push rod produced by Wuxi city super-electronics equipment Limited company, a driving motor is arranged in the reusable box, a worker can directly control the stroke of the electric push rod I12 through a switch to realize reciprocating linear motion, the electric push rod I12 drives the pushing plate 11 to perform linear motion, and pushes the excessive peanut, the peanut kernels 100 are returned to the reusable box 28 and the interior is inspected again.
The detection plate 2 is provided with a recovery frame 13 and a storage frame 14 on one side far away from the feed inlet 7, the recovery frame 13 is arranged under the feed inlet 7, the recovery frame 13 is used for recovering the peanut grains 100 with residual aflatoxin, and the storage frame 14 is used for collecting the peanut grains 100 without residual aflatoxin.
A plurality of detection holes 15 are arranged in the detection plate 2, the detection holes 15 are used for placing and detecting peanut grains 100, a placing space in each detection hole 15 is used for placing one peanut grain 100, the side wall of each detection hole 15 is symmetrically provided with an ultraviolet line groove 16 and a sensor groove 17, an ultraviolet lamp 18 is arranged in the ultraviolet line groove 16, the ultraviolet lamp 18 adopts a straight tube type UVC lamp tube of Nanjing Huaqiang intensive electronics company Limited and is used for emitting linear ultraviolet light, a color sensor 19 is arranged in the sensor groove 17, the color sensor 19 identifies blue fluorescence and green fluorescence, aflatoxin is remained in the general peanut grains 100 and can generate blue fluorescence or green fluorescence when being excited by the ultraviolet light, the color sensor 19 adopts a TCS3200 type color identification module, pins S0 and S1 of the color identification module are connected to a VCC interface, an EO pin is grounded, and the pin S2 is connected to a P1.0 interface of an 80C51, the pin S3 is connected to the P1.1 interface of the 80C51 single chip microcomputer, and the pin OUT of the TCS3200 color module is connected to the P3.5 interface of the single chip microcomputer 23, so that the color sensor 19 can transmit the sensed color conversion electrical signal to the single chip microcomputer 23, and the single chip microcomputer 23 can control the movement of other electrical connection elements according to its internal program.
A rotating groove 20 is formed in the side wall of the detection hole 15, a rotating motor 21 and a single chip microcomputer 23 are arranged in the rotating groove 20, a rotating rod 24 is fixedly connected to a motor spindle 22 of the rotating motor 21, an object carrying column 25 is fixedly connected to the rotating rod 24, the object carrying column 25 is movably arranged in the detection hole 15, the color sensor 19 and the rotating motor 21 are both electrically connected to the single chip microcomputer 23, the single chip microcomputer 23 is an 80C51 type single chip microcomputer, the rotating motor 21 is a 21000 series SIZE8 of Hewler motors, Inc., Changzhou, when a pulse signal is received by a stepping driver, the stepping motor is driven to rotate for a fixed angle according to a set direction, the rotating motor 21 is driven by a ULN2003 type composite transistor, interfaces 1B, 2B, 3B and 4B of the ULN2003 type composite transistor are respectively connected to pins P2.4, P2.5, P2.6 and P2.7 of the single chip microcomputer 23, an output port 1C, an output, 2C, 3C and 4C connect on rotating motor 21, realize the drive and rotate the effect that motor 21 started and closed, when color sensor 19 detected blue or green fluorescence, through the control of singlechip 23, drive and rotate motor 21 and rotate, drive and carry thing post 25 and rotate for drop downwards to retrieving in the frame 13 between the peanut cereal 100 in the inspection hole 15.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cereal desiccator aflatoxin remains detection device, includes desiccator shell (1) and pick-up plate (2), desiccator shell (1) inside wall is fixed and is provided with air heating pipe (29), its characterized in that: the detection plate (2) is horizontally arranged in the dryer shell (1), one end of the detection plate (2) is fixedly connected with a plate shaft (3), the plate shaft (3) is rotatably inserted into the insertion hole (4), the insertion hole (4) is formed in the outer side wall of the dryer shell (1), and one end, far away from the detection plate (2), of the plate shaft (3) is fixedly connected to the turnover motor (5) through a coupler (6);
the dryer comprises a dryer shell (1), a feeding hole (7) is formed in the top of the dryer shell (1), a blanking pipe (8) is arranged in the feeding hole (7), a material extruding opening (9) and a push plate opening (10) are symmetrically formed in the side wall of the dryer shell (1) respectively, the material extruding opening (9) and the push plate opening (10) are arranged between a plate shaft (3) and the feeding hole (7), a push plate (11) is movably arranged in the push plate opening (10), one end, far away from the material extruding opening (9), of the push plate (11) is fixedly connected with an electric push rod I (12), one side, far away from the feeding hole (7), of a detection plate (2) is respectively provided with a recovery frame (13) and a material storage frame (14), and the recovery frame (;
the detection device is characterized in that a plurality of detection holes (15) are formed in the detection plate (2), an ultraviolet line groove (16) and a sensor groove (17) are symmetrically formed in the side wall of each detection hole (15), an ultraviolet lamp (18) is arranged in each ultraviolet line groove (16), a color sensor (19) is arranged in each sensor groove (17), a rotating groove (20) is formed in the side wall of each detection hole (15), a rotating motor (21) and a single chip microcomputer (23) are arranged in each rotating groove (20), a rotating rod (24) is fixedly connected to a motor spindle (22) of the rotating motor (21), a carrying column (25) is fixedly connected to the rotating rod (24), the carrying column (25) is movably arranged in each detection hole (15), and the color sensor (19) and the rotating motor (21) are both electrically connected to the single chip microcomputer (23);
the turnover motor (5), the electric push rod I (12), the ultraviolet lamp (18), the color sensor (19), the rotating motor (21) and the single chip microcomputer (23) are all electrically connected to an external power supply.
2. The aflatoxin residue detection device of a grain drier as claimed in claim 1, which is characterized in that: the color sensor (19) recognizes blue fluorescence and green fluorescence.
3. The aflatoxin residue detection device of a grain drier as claimed in claim 1, which is characterized in that: side baffles (26) are fixedly connected to the two sides of the detection plate (2).
4. The aflatoxin residue detection device of a grain drier as claimed in claim 1, which is characterized in that: the turnover motor (5) and the electric push rod I (12) are fixedly mounted on a right-angle mounting rod (27), and the right-angle mounting rod (27) is fixedly connected to the outer side wall of the dryer shell (1).
5. The aflatoxin residue detection device of a grain drier as claimed in claim 1, which is characterized in that: the position of the extrusion port (9) is provided with a reuse box (28), and the reuse box (28) is fixedly connected to the outer side wall of the dryer shell (1).
6. The aflatoxin residue detection device of a grain drier as claimed in claim 1, which is characterized in that: one end, close to the detection plate (2), of the blanking pipe (8) is fixedly connected with a horn cover (81), an inclined block (82) is arranged in the horn cover (81), and the inclined block (82) is fixed on the horn cover (81) through a connecting rod (83).
7. The aflatoxin residue detection device of a grain drier as claimed in claim 6, wherein: the side wall of one side of the discharging pipe (8) is fixedly connected with a second electric push rod (84), the second electric push rod (84) is fixed on the dryer shell (1), and the second electric push rod (84) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128179.3A CN109187477B (en) | 2018-09-27 | 2018-09-27 | Detection device for aflatoxin residue of grain drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128179.3A CN109187477B (en) | 2018-09-27 | 2018-09-27 | Detection device for aflatoxin residue of grain drying machine |
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| CN109187477A CN109187477A (en) | 2019-01-11 |
| CN109187477B true CN109187477B (en) | 2020-11-06 |
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| CN107401913A (en) * | 2017-09-16 | 2017-11-28 | 通辽金荞谷物有限公司 | Buckwheat skin washer-drier |
| CN206788039U (en) * | 2017-04-07 | 2017-12-22 | 龙南县生产力促进中心 | A kind of rice goes mouldy device for fast detecting |
| CN207066981U (en) * | 2017-08-24 | 2018-03-02 | 山东省农业科学院农业质量标准与检测技术研究所 | A kind of peanut aflatoxin device for fast detecting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160056361A (en) * | 2014-11-10 | 2016-05-20 | 한경대학교 산학협력단 | Drought tolerance index derived from chlorophyll fluorescence parameters in Maize(Zea Mays L.) |
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