CN110346376B - Portable corn mildew double-sided nondestructive testing device - Google Patents

Portable corn mildew double-sided nondestructive testing device Download PDF

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Publication number
CN110346376B
CN110346376B CN201910584689.XA CN201910584689A CN110346376B CN 110346376 B CN110346376 B CN 110346376B CN 201910584689 A CN201910584689 A CN 201910584689A CN 110346376 B CN110346376 B CN 110346376B
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shaped plate
box body
corn
steering engine
turnover
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CN110346376A (en
Inventor
王伟
王庆林
秦浩栋
董爱军
鹿瑶
赵昕
贾贝贝
宋淑仙
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China Agricultural University
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China Agricultural University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces

Abstract

The invention discloses a portable corn double-sided mildew nondestructive testing device which mainly comprises a box body and a turnover device. Two-dimensional codes are adhered to the upper part outside the box body; the top of the box body is provided with an opening area for the image acquisition equipment to acquire the image of the corn to be detected; the turning device is arranged inside the box body and used for containing corn samples to be detected and turning. The turnover device is a core component of the turnover device and comprises an L-shaped plate, a synchronous belt pulley, a synchronous belt and a steering engine which rotates by a specified angle when the steering engine works, so that the synchronous belt pulley is driven to rotate through the transmission of the synchronous belt, and the turnover of the L-shaped plate is further driven.

Description

Portable corn mildew double-sided nondestructive testing device
Technical Field
The invention belongs to the technical field of agricultural product detection, relates to an agricultural product detection device, and particularly relates to a portable corn mildew double-sided nondestructive detection device.
Background
Corn is used as important grain and is widely planted around the world, the rice and wheat yields of China are the second in the world at present, but the grain mildewing is always a major problem which troubles the food safety of human beings.
As reported by the world health organization, mycotoxins are toxic compounds naturally produced by certain types of mold (fungi), mold capable of generating mycotoxins grows in a wide variety of foods such as cereals, mold often grows inside or on the surface of foods before and after crop harvesting and during storage in warm, humid or humid environments, and most mycotoxins are chemically stable and survive food processing procedures.
It is well known that some food-borne mycotoxins can cause acute episodes and that severe disease symptoms can develop rapidly after ingestion of food products contaminated with mycotoxins. Other mycotoxins in food can have long-term health effects, including the induction of cancer and immunodeficiency. Of the hundreds of fungal toxins identified to date, over a dozen are highly valued for their serious impact on human health and food-borne nature. Aflatoxins are among the most toxic mycotoxins, maize is a crop often affected by aspergillus flavus.
The current grain storage situations of a Chinese peasant household dispersed planting mode and mixed harvesting and mixed storage mainly depend on manual detection to screen grains which are mildewed, the detection efficiency is low, the reliability is poor, and the objectivity and comparability of the detection result are seriously influenced; and special equipment is used, so that the cost is high, the special equipment is not easy to obtain, or only the mildew condition of a single surface of the corn can be detected, and the accuracy is low. The demand for portable rapid detection instruments is therefore more stringent.
Disclosure of Invention
In order to overcome a series of defects in the prior art, the invention aims to solve the problems and provide a portable corn double-sided mildew nondestructive testing device which comprises a box body 3 and a turnover device 4, wherein a two-dimensional code 1 is adhered to the upper part of the outer part of the box body 3; an opening area is formed in the top of the box body 3 and used for collecting an image of the corn to be detected by image collecting equipment; the turning-over device 4 is arranged in the box body 3 and used for containing and turning over a corn sample to be detected; the turnover device 4 comprises a power device, a transmission device and a control system.
Further, the transmission device of the turn-over device 4 comprises a deep groove ball bearing 41 and a bracket 42, and the bracket 42 is provided with a plurality of receiving holes for receiving the deep groove ball bearing 41.
Further, the transmission device further comprises an L-shaped plate 43, the L-shaped plate 43 comprises a middle part and two end shafts, the two end bearings are connected to the bearing holes, and the L-shaped plate 43 rotates around the two end shafts.
Further, the middle part of the L-shaped plate 43 is a hollow triangular prism structure, and when the L-shaped plate 43 rotates to the middle part with a downward opening, the blanking is completed.
Further, the transmission device further comprises a synchronous pulley 47 and a synchronous belt 49, which are nested on an end shaft of the L-shaped plate 43 and used for driving the L-shaped plate 43 to turn over through a steering engine 48 rotating for a designated angle.
Further, the control system of the turnover device 4 comprises a single chip microcomputer 44 and a bluetooth module 45, the mobile phone and the bluetooth module 45 are connected in a matched mode and then send instructions, and the single chip microcomputer 44 sends PWM signals to the steering engine 48 according to the instructions received by the bluetooth module 45, so that the steering engine 48 is controlled to rotate for a specified angle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the portable corn mildew double-sided nondestructive testing device;
FIG. 2 is a detailed structural schematic diagram of a turning device of the portable corn mildew double-sided nondestructive testing device;
FIG. 3 is a schematic structural diagram of an "L-shaped plate" in the turnover device of the portable corn mildew double-sided nondestructive testing device;
FIG. 4 is a schematic structural diagram of a transmission device in a turnover device of the portable corn mildew double-sided nondestructive testing device;
the reference numbers in the figures are:
the LED lamp comprises a base, a lamp body, a lamp holder;
41-deep groove ball bearing, 42-bracket, 43-L-shaped plate, 44-singlechip, 45-Bluetooth module, 46-power supply, 47-synchronous pulley, 48-steering engine and 49-synchronous belt.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.
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.
The embodiments and the directional terms described below with reference to the drawings are exemplary and intended to be used in the explanation of the invention, and should not be construed as limiting the invention.
As shown in figure 1, the invention provides a portable corn double-sided mildew nondestructive testing device which mainly comprises a two-dimensional code 1, an LED lamp 2, a box body 3, a turnover device 4 and a receiving tray 5, wherein,
the box body 3 is of a hollow structure, a two-dimensional code 1 is adhered to the upper part of the outer part of the box body, and a user can scan the two-dimensional code 1 to download a matched APP;
an opening area is arranged at the top of the box body 3 and used for collecting an image of the corn to be detected by image collecting equipment (such as a mobile phone camera);
the left side surface and the right side surface of the box body 3 are respectively provided with a through groove structure, and the through groove structures are used for facilitating the movement of the box body 3;
the turning device 4 is arranged in the box body 3 and used for containing and turning over a corn sample to be detected;
an LED lamp 2 is arranged above the interior of the box body 3 and used for auxiliary illumination;
and a receiving disc 5 is arranged below the inner part of the box body 3 and is used for receiving a corn sample to be detected.
As shown in fig. 2 and 4, the turn-over device 4 is the most central component of the nondestructive testing device of the present invention, and mainly includes a power device, a transmission device, a control system, and the like. Wherein the content of the first and second substances,
the power device comprises a power source 46 for providing power for the turnover device 4;
the transmission device comprises a deep groove ball bearing 41, a bracket 42, an L-shaped plate 43, a synchronous pulley 47, a synchronous belt 49, a steering engine 48 and the like,
the bracket 42 is arranged in a left-right symmetrical manner, a plurality of bearing holes are arranged on the bracket and used for bearing the deep groove ball bearings 41,
as shown in fig. 3, the L-shaped plate 43 extends horizontally as a whole, and has a middle portion and two end shafts in a hollow triangular prism structure, wherein the shorter end shaft is used for receiving the deep groove ball bearing 41 directly in the receiving hole, the longer end shaft is used for receiving the synchronous pulley 47 and the synchronous belt 49 and then in the receiving hole through the deep groove ball bearing 41, the L-shaped plate 43 can rotate around the end shafts, and when the opening of the middle portion is downward, the blanking can be completed, i.e., the sample falls to the receiving tray 5.
As shown in fig. 2 and 4, the synchronous pulley 47 and the synchronous belt 49 are nested on the longer end shaft of the L-shaped plate 43, and are used for driving the L-shaped plate 43 to turn over by rotating a specified angle through the steering engine 48.
The control system mainly comprises a single chip microcomputer 44 and a Bluetooth module 45, the mobile phone is connected with the Bluetooth module 45 in a matched mode and then sends an instruction to the Bluetooth module 45, and the single chip microcomputer 44 can complete sending of PWM (pulse width modulation) signals to the steering engine 48 according to the instruction received by the Bluetooth module 45, so that the steering engine 48 is controlled to rotate for a specified angle.
The working process of the detection device of the invention is as follows:
firstly, a user uses a mobile phone to scan the two-dimension code 1 and download and install a corresponding APP, and the two-dimension code is connected to the Bluetooth module 45 through Bluetooth pairing;
then, a corn sample to be tested is placed at the L-shaped plate 43, a user operates according to the prompt of the APP, the user only needs to shoot a first picture in the APP, the shooting of the picture of the first sample to be tested can be completed, meanwhile, a mobile phone sends an instruction to the Bluetooth module 45, the single chip microcomputer 44 sends a PWM signal to the steering engine 48 according to a signal received by the Bluetooth module 45, the steering engine 48 is controlled to rotate 90 degrees, the steering engine 48 drives the synchronous belt pulley 47 to rotate through the transmission of the synchronous belt 49, the L-shaped plate 43 is further driven to rotate 90 degrees in the same direction, and the turning of the corn sample to be tested is;
after the corn to be tested is turned over, a user takes a picture of a second sample, the mobile phone sends an instruction to the Bluetooth module 45, the single chip microcomputer 44 sends a PWM signal to the steering engine 48 according to a signal received by the Bluetooth module 45 and controls the steering engine 48 to continue rotating for 45 degrees, the steering engine 48 drives the synchronous belt pulley 47 to rotate through the transmission of the synchronous belt 49 so as to drive the L-shaped plate 43 to rotate to an inclined downward position in the same direction, the tested sample is dropped to the material receiving plate 5, after the material is dropped, the single chip microcomputer 44 sends the PWM signal to the steering engine 48 to control the steering engine 48 to rotate, and the L43-shaped plate is reset to an initial position;
and finally, after the photos of two surfaces of the same sample to be tested are shot, the APP performs image processing on the photos of the two surfaces of the collected same sample and outputs a test result, and the test result comprises pictures of the corn sample mildewed by the red mark, the total number of the test samples, the number of the mildews and the mildew rate.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (3)

1. A portable corn double-sided mildew nondestructive testing device, which comprises a box body (3) and a turnover device (4), and is characterized in that,
the two-dimensional code (1) is adhered to the upper part of the outer part of the box body (3);
an opening area is formed in the top of the box body (3) and is used for collecting an image of the corn to be detected by image collecting equipment;
the turning-over device (4) is arranged in the box body (3) and used for containing and turning over a corn sample to be detected;
the turnover device (4) comprises a power device, a transmission device and a control system;
the transmission device of the turn-over device (4) comprises a deep groove ball bearing (41) and a bracket (42), wherein the bracket (42) is provided with a plurality of bearing holes for bearing the deep groove ball bearing (41);
the transmission device further comprises an L-shaped plate (43), the L-shaped plate (43) comprises a middle part and two end part shafts, the two end part shafts are connected to the bearing holes in a bearing mode, and the L-shaped plate (43) rotates around the two end part shafts;
the middle part of the L-shaped plate (43) is of a hollow triangular prism structure, and when the L-shaped plate (43) rotates to the middle part with a downward opening, blanking is completed.
2. The detection device according to claim 1, wherein the transmission device further comprises a synchronous pulley (47) and a synchronous belt (49), which are nested on one end shaft of the L-shaped plate (43) and are used for driving the turnover of the L-shaped plate (43) through the rotation of a steering engine (48) by a specified angle.
3. The detection device according to claim 2, wherein a control system of the turnover device (4) comprises a single chip microcomputer (44) and a Bluetooth module (45), a mobile phone and the Bluetooth module (45) are connected in a matched mode and then send instructions, and the single chip microcomputer (44) sends PWM signals to the steering engine (48) according to the instructions received by the Bluetooth module (45) so as to control the steering engine (48) to rotate for a specified angle.
CN201910584689.XA 2019-07-01 2019-07-01 Portable corn mildew double-sided nondestructive testing device Active CN110346376B (en)

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CN112161937B (en) * 2020-11-04 2023-06-23 安徽大学 Wheat flour gluten degree detection method based on cascade forest and convolutional neural network
CN112611715A (en) * 2020-11-11 2021-04-06 无锡臻永科技有限公司 Rotary type subentry detection system and method
CN113916883A (en) * 2021-09-15 2022-01-11 天津黄庄洼米业有限公司 Rice mouldy nondestructive test device

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