Portable seed quality intelligent nondestructive testing device based on spectrum technology

Abstract

The utility model discloses a portable seed quality intelligent nondestructive testing device based on a spectrum technology. The portable seed quality intelligent nondestructive testing device comprises a box body, a lofting turntable, a spectrograph, a control and power supply assembly and an IO (Input / Output) assembly, an open groove is formed in the lower part of the side surface of the box body, and the lofting turntable is rotatably arranged at the open groove and is provided with a plurality of lofting grooves; and a detection head of the spectrograph is arranged downwards. Manual one-by-one analysis of seeds is realized by rotating the detection disc, analysis errors can be reduced through multiple spectral analysis and surface topography image data analysis of a plurality of seeds, performance requirements on a spectrograph can be reduced through spectral analysis of a single seed, the size of the device is reduced, and the device is convenient to carry; the device is suitable for being used in various environments such as fields, laboratories, seed treatment centers and the like. Spectral information of a seed sample is quickly obtained by utilizing a spectrum technology, and a seed quality index can be quickly given by combining with a machine learning model based on artificial intelligence. The requirement on rapid detection of seed quality is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to nondestructive testing technical field, concretely to a portable seed quality intelligent nondestructive testing device based on spectral technology. BACKGROUND

[0002] In the modern agricultural production process, the detection of seed quality plays a vital role. Traditionally, seed quality detection methods often involve destructive analysis of seed samples, such methods not only time-consuming and prone to human error, and destructive analysis method can not meet the modern agricultural seed detection lossless, fast and efficient demand.

[0003] With the continuous progress of science and technology, nondestructive testing technology emerged, such as near infrared spectroscopy and hyperspectral imaging technology, these technologies can quickly complete the collection of spectral data without destroying the seed sample, thereby realizing the lossless, rapid analysis of seed quality. However, the common spectral analysis equipment on the market is mostly medium and large equipment, its volume and weight limit the convenience of carrying and using, which restricts the wide application of these advanced detection technologies to some extent. SUMMARY

[0004] The utility model aims at providing a portable seed quality intelligent nondestructive testing device based on spectral technology to solve the problems in the prior art.

[0005] In order to achieve the above object, the technical scheme of the utility model provides a portable seed quality intelligent nondestructive testing device based on spectral technology, which comprises a box body, a lofting turntable, a spectrometer, a control and power supply assembly and an IO assembly. The spectrometer, the control and power supply assembly are arranged inside the box body, and the IO assembly is arranged on the surface of the box body. The lower part of the side surface of the box body is provided with a slot, and the lofting turntable is rotatably arranged in the slot. The lofting turntable is provided with a plurality of lofting grooves. The detection head of the spectrometer is arranged downward.

[0006] Preferably, the spectrometer is a reflection spectrometer. The IO assembly comprises a display screen and an input button. The control and power supply assembly comprises an integrated circuit board and a lithium battery.

[0007] Preferably, the detection device further comprises a telescopic support plate. The upper and lower parts of the slot of the box body are provided with upper and lower partition plates for closing the inner cavity of the box body. The telescopic support plate is slidably arranged on the lower partition plate. The lofting turntable is rotatably arranged at one end of the telescopic support plate. An opening is arranged on the upper partition plate. When the lofting turntable is completely slid into the slot, the opening is located above the lofting grooves. The detection head of the spectrometer is arranged at the opening.

[0008] Preferably, the telescopic support plate is a plate material, one end of which is provided with a pulling-out hole, a rotating shaft is arranged on the side close to the pulling-out hole, a plurality of limiting protrusions are arranged on the lower partition plate on both sides of the telescopic support plate, the limiting protrusions are in inverted L shape, a limiting groove is arranged on the side of the telescopic support plate away from the pulling-out hole, and a limiting bolt is arranged on the lower partition plate in the area of the limiting groove.

[0009] Preferably, the lofting turntable comprises a disc surface, a plurality of downward lofting grooves are arranged on the disc surface, a rotating pipe is arranged at the central lower part of the disc surface, and a rotating shaft is inserted into the rotating pipe.

[0010] Preferably, the lofting turntable is provided with array-distributed protruding structures, and a push switch assembly matched with the protruding structures is arranged on the upper partition plate.

[0011] Preferably, the protruding structures are arranged on the edge of the disc surface of the lofting turntable and are parallel to the disc surface, the protruding structures are in curve shape, the line connecting the starting point of the protruding structures with the center of the disc surface is deviated from the line connecting the center of the lofting groove with the center of the disc surface by a preset angle alpha in a certain direction, the line connecting the terminal point of the protruding structures with the center of the disc surface is deviated from the line connecting the center of the adjacent lofting groove with the center of the disc surface by the preset angle alpha in the same direction, and the radius of each point of the curve of the protruding structures gradually increases from the starting point to the terminal point.

[0012] Preferably, the push switch assembly comprises an arc-shaped contact surface and a push switch, the arc-shaped contact surface is connected with the push switch through a spring, and the arc-shaped contact surface is matched with the protruding structures.

[0013] Preferably, the detection device further comprises a visual assembly, the visual assembly comprises two oppositely arranged visual sensors, a collection window is arranged on the upper partition plate and the lower partition plate above and below the opening corresponding to the adjacent lofting groove of the lofting groove, and the visual sensor is arranged on the collection window.

[0014] The portable seed quality intelligent nondestructive detection device based on spectrum technology disclosed by the utility model realizes manual analysis of seeds one by one through rotating the detection disc, on the one hand, the analysis error can be reduced through multiple spectrum analysis and surface image data of multiple seeds, and on the other hand, the performance requirement of the spectrometer and the visual sensor can be reduced through single seed analysis, the equipment can be simplified, the device volume can be reduced, the device is convenient to carry and is suitable for use in various environments such as fields, laboratories and seed processing centers. The spectrum information of the seed sample is quickly acquired by using the spectrum technology, and the seed quality index can be quickly given by combining the machine learning model based on artificial intelligence, so that the requirement of seed quality rapid detection is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole schematic view of the detection device of the utility model.

[0016] Figure 2 is a sectional view of the detection device of the utility model.

[0017] Figure 3 is a local sectional view of the lofting turntable area of the utility model.

[0018] Figure 4 is another local sectional view of the lofting turntable area from another perspective of the utility model.

[0019] Figure 5 is another local sectional view of the telescopic support plate area from another perspective of the utility model.

[0020] Figure 6 is a local sectional view of the visual assembly area of another embodiment of the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] As shown in the accompanying drawings, Figures 1-5 The detection device of the utility model comprises a box body 1, a lofting turntable 2, a telescopic support plate 4, a spectrometer 5, a control and power supply assembly 6 and an IO assembly 3.

[0023] The box body 1 is a hollow cavity structure, the spectrometer 5 and the control and power supply assembly 6 are arranged inside the box body 1, and the IO assembly 3 is arranged on the surface of the box body 1.

[0024] The spectrometer 5 is selected from existing products on the market, and specifically, the NIR-M-R11 spectrometer is a reflection type spectrometer, which is provided with a light source and can determine the moisture content, protein content, amylose content and gel consistency of seeds. This technology can provide information about the internal structure and external composition of seeds without causing any damage to the seeds.

[0025] The IO assembly 3 comprises a display screen 31 and an input button 32 for displaying and inputting information, and the control and power supply assembly 6 comprises an integrated circuit board and a lithium battery. The spectrometer 5, the IO assembly 3 and the control and power supply assembly 6 are electrically connected. The specific selection and circuit structure of the spectrometer 5, the IO assembly 3 and the control and power supply assembly 6 are conventional knowledge in the field and do not belong to the protection content of the application.

[0026] A slot 11 is arranged at the lower part of the side surface of the box body 1, and an upper partition plate 12 and a lower partition plate 13 for closing the inner cavity of the box body 1 are arranged at the upper part and the lower part of the slot 11.

[0027] The telescopic support plate 4 is slidably arranged on the lower partition plate 13, the lofting turntable 2 is rotatably arranged on one end of the telescopic support plate 4, a plurality of lofting grooves 21 are arranged on the lofting turntable 2 for placing a single seed, after the telescopic support plate 4 is slid in, the lofting turntable 2 can be partially slid into the slot 11, an opening 121 is arranged on the upper partition plate 12, the opening 121 is located at the upper part of the lofting groove 21 after the lofting turntable 2 is completely slid into the slot 11, and the detection head of the spectrometer 5 is arranged at the opening.

[0028] Further, as shown in the accompanying drawings Figure 2 , 3 , 4, 5, the telescopic support plate 4 is a plate material, one end of which is provided with a pulling hole 40 for facilitating the user to pull it out. A rotating shaft 41 is arranged on the side close to the pulling hole 40 for placing the lofting turntable 2. A plurality of limiting protrusions 131 are arranged on the lower partition plate 13 on both sides of the telescopic support plate 4, the limiting protrusions 131 are in inverted L shape, limiting the telescopic support plate 4 between the limiting protrusions 131 and the lower partition plate 13, and a limiting groove 42 is arranged on the side of the telescopic support plate 4 away from the pulling hole 40, and a limiting bolt 132 is arranged on the lower partition plate 13 in the area where the limiting groove 42 is located, so that the limiting bolt 132 can limit the limit position of the telescopic support plate 4.

[0029] The lofting turntable 2 includes a disc surface 20, a plurality of downward lofting grooves 21 are arranged on the disc surface, and a rotating tube 22 is arranged at the lower central part of the disc surface 21, the rotating shaft 41 is inserted into the rotating tube 22 to realize that the lofting turntable 2 is rotatably arranged on the telescopic support plate 4. The size tolerance setting or damping structure (such as a soft damping ring arranged between the rotating shaft 41 and the rotating tube 22) of the rotating tube 22 and the rotating shaft 41 can realize the damping between the rotating shaft 41 and the rotating tube 22.

[0030] In order to realize the inspection of each lofting groove 21, the lofting turntable 2 is provided with arrayed protruding structures 23, in the drawings, the protruding structures 23 are arranged on the edge of the disc surface 20 of the lofting turntable 2 and are parallel to the disc surface 20, the protruding structures 23 are in curve shape, the connection between the starting point of the protruding structures 23 and the center of the disc surface 20 deviates from the connection between the center of the adjacent lofting groove 21 and the center of the disc surface 20 by a preset angle α in a certain direction, and the connection between the terminal position of the protruding structures 23 and the center of the disc surface 20 deviates from the connection between the center of the adjacent lofting groove 21 and the center of the disc surface 20 by the preset angle α in the same direction. The radius of each point of the curve of the protruding structures 23 gradually increases from the starting point to the terminal point. A press switch assembly 61 is arranged on the upper partition plate 12, and through the positional relationship between the press switch assembly 61 and the protruding structures 23, the protruding structures 23 can press the press switch assembly 61 when the lofting groove 21 is located at the opening 121.

[0031] The push switch assembly 61 comprises an arc-shaped contact surface 612 and a push switch 611, the arc-shaped contact surface 612 is connected with the push switch 611 through a spring, the arc-shaped contact surface 621 is matched with a convex structure, and the pressing of the push switch is realized through the convex structure on the back of the arc-shaped contact surface 621.

[0032] As shown in the accompanying drawings, Figure 6 As shown in the accompanying drawings, The visual component 7 comprises two oppositely arranged visual sensors 71, and the upper collecting window 72 and the lower collecting window 72 are arranged on the upper partition plate 12 and the lower partition plate 13 of the adjacent upper part and lower part of the lofting groove 21 corresponding to the opening 121, the visual sensor 71 is arranged on the collecting window, and the images of the top view and the downward view can be collected at the same time, so as to detect and identify the surface morphology of the seed. The visual component 7 is electrically connected with the control and power supply component 6, the visual sensor 71 is a small image collecting sensor, and the visual sensor 71 and the spectrometer 5 are synchronously collected under the control, and then the image data and the spectrum data are matched in the software, so that the detection time is reduced, and the shielding of the visual sensor 71 and the spectrometer 5 in the same position is solved.

[0033] In use, a plurality of seeds are artificially sampled and then placed on the lofting groove 21 one by one, the lofting turntable 2 is rotated to analyze the plurality of seeds one by one, the spectrum data and the surface morphology data of the plurality of seeds are obtained, and then the data preprocessing technology such as denoising and normalization is used to improve the quality of the spectrum and image data. Then, the trained machine learning model is used to determine different indexes of the seed quality through feature extraction and identification. In addition, through online learning and adaptive technology, the model can be updated in real time to adapt to new data or tasks, which is crucial for real-time prediction and decision-making in a dynamic environment. The detection data can be stored in the cloud, providing a data basis for subsequent big data analysis and mining, and the analysis results are more intuitive and easy to understand through the visualization and reporting tools of the software, and personalized recommendations are provided for the subsequent processing of the seeds based on the seed quality indexes based on the artificial intelligence model training.

[0034] It should be noted that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connection", "fixing", "setting", etc. should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A portable seed quality intelligent non-destructive detection device based on spectral technology, characterized in that, The detection device comprises a box, a lofting turntable, a spectrometer, a control and power supply assembly, and an IO assembly; the spectrometer, the control and power supply assembly are arranged inside the box, and the IO assembly is arranged on the surface of the box; a slot is arranged at the lower part of the side of the box, and the lofting turntable is rotatably arranged in the slot; the lofting turntable is provided with a plurality of lofting grooves; and the detection head of the spectrometer is arranged downward.

2. The portable seed quality intelligent non-destructive detection device based on spectral technology according to claim 1, characterized in that, The spectrometer is a reflection spectrometer; the IO assembly comprises a display screen and input buttons; and the control and power supply assembly comprises an integrated circuit board and a lithium battery.

3. The portable seed quality intelligent non-destructive detection device based on spectral technology according to claim 1, characterized in that, The detection device further comprises a telescopic support plate; upper and lower partition plates for closing the inner cavity of the box are arranged at the upper and lower parts of the slot of the box; the telescopic support plate is slidably arranged on the lower partition plate; the lofting turntable is rotatably arranged at one end of the telescopic support plate; an opening is arranged on the upper partition plate; the opening is located at the upper part of the lofting groove after the lofting turntable is completely slid into the slot; and the detection head of the spectrometer is arranged at the opening.

4. The portable seed quality intelligent non-destructive detection device based on spectral technology according to claim 3, characterized in that, The telescopic support plate is a plate material, one end of which is provided with a pulling-out hole, a rotating shaft is arranged on the side close to the pulling-out hole, a plurality of limiting protrusions are arranged on the lower partition plates on both sides of the telescopic support plate, the limiting protrusions are in an inverted L shape, a limiting groove is arranged on the side of the telescopic support plate away from the pulling-out hole, and a limiting bolt is arranged on the lower partition plate in the region of the limiting groove.

5. The portable seed quality intelligent non-destructive detection device based on spectral technology according to claim 4, characterized in that, The lofting turntable comprises a disc surface, a plurality of downward lofting grooves are arranged on the disc surface, and a rotating tube is arranged at the central lower part of the disc surface, and the rotating shaft is inserted into the rotating tube.

6. The portable seed quality intelligent non-destructive testing device based on spectral technology according to claim 5, characterized in that, The lofting turntable is provided with arrayed protruding structures, and a push switch assembly that cooperates with the protruding structures is arranged on the upper partition plate.

7. The portable seed quality intelligent non-destructive testing device based on spectral technology according to claim 6, characterized in that, The protruding structures are arranged on the edge of the disc surface of the lofting turntable and are parallel to the disc surface; the protruding structures are in a curve shape, the line connecting the starting point of the protruding structures with the center of the disc surface deviates from the line connecting the center of the lofting groove with the center of the disc surface by a preset angle α in a certain direction, and the line connecting the terminal point of the protruding structures with the center of the disc surface deviates from the line connecting the center of the adjacent lofting groove with the center of the disc surface by the preset angle α in the same direction; the radius of each point on the curve of the protruding structures gradually increases from the starting point to the terminal point.

8. The portable seed quality intelligent non-destructive testing device based on spectral technology according to claim 7, characterized in that, The push switch assembly comprises an arc-shaped contact surface and a push switch, the arc-shaped contact surface is connected with the push switch through a spring, and the arc-shaped contact surface cooperates with the protruding structures.

9. The portable seed quality intelligent non-destructive testing device based on spectral technology according to claim 8, characterized in that, The detection device further comprises a vision assembly, the vision assembly comprises two oppositely arranged vision sensors, acquisition windows are arranged on the upper and lower partition plates corresponding to the upper and lower parts of the adjacent lofting grooves of the lofting grooves of the opening, and the vision sensors are arranged on the acquisition windows.

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