Tobacco essence appearance quality intelligent detection device based on machine vision

Abstract

The utility model discloses an intelligent cigarette essence appearance quality detection device based on machine vision. The intelligent cigarette essence appearance quality detection device comprises a box body, a displacement seat mechanism, a detection assembly, a movable test tube rack and a porous aluminum plate optical bread board, a background plate capable of being opened and closed is arranged on one side of the box body, and a ventilation assembly and a control element are installed on the box body; the displacement seat mechanism is mounted in the box body; the detection assembly comprises a camera and a light source; the camera and the light source are mounted on the displacement seat mechanism through telescopic rods respectively; the movable test tube rack is arranged in the box body and is close to the background plate, and a plurality of sample liquid test tubes are detachably connected to the movable test tube rack; the porous aluminum plate optical bread board is mounted between the displacement seat mechanism and the two telescopic rods; the ventilation assembly, the displacement seat mechanism, the camera and the light source are all electrically connected with the control element. The non-spectral tobacco flavor quality detection device can realize non-spectral tobacco flavor quality detection, is simple and convenient to operate, reduces the difference of manual discrimination, and improves the detection precision and the detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent detection of tobacco flavors and fragrances, in particular to an intelligent detection device for the appearance quality of tobacco flavors based on machine vision. Background Art

[0002] At present, due to the influence of processing technology, many processes in the configuration and qualified testing of tobacco flavors and fragrances cannot be mechanized, and quality parameters such as color difference are all manually identified and tested. The subjective influence of manual operation is more prominent and has poor stability. In addition, due to the lack of testing equipment and related technical personnel, companies generally do not have systematic and scientific quality standards, and cannot conduct scientific and effective intelligent evaluation of appearance quality during the configuration and processing of tobacco flavors and fragrances.

[0003] In the prior art, a colorimeter is used to detect the color of tobacco flavors. It is found that compared with the relative density and refractive index, the color index can better reflect the quality fluctuation of the product. However, the colorimeter determines the color of an object based on the spectrum reflected or transmitted by the object point-to-point, and uses a local sampling method to judge the overall color difference, which results in a certain degree of judgment error.

[0004] Taking into account the problems of manual discrimination differences, errors introduced by local sampling detection, and complicated preprocessing methods in the processing technology of tobacco flavors and fragrances, the utility model proposes an intelligent detection device for the appearance quality of tobacco flavors based on machine vision. Utility Model Content

[0005] The utility model aims to provide an intelligent detection device for the appearance quality of tobacco flavor based on machine vision, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides an intelligent detection device for the appearance quality of tobacco flavors based on machine vision, comprising:

[0007] A box body, one side of which is provided with an openable and closable background plate, and a ventilation component and a control element are installed on the box body;

[0008] A displacement seat mechanism, wherein the displacement seat mechanism is installed in the box;

[0009] A detection component, the detection component comprising a camera and a light source, the camera and the light source are respectively mounted on the displacement seat mechanism through a telescopic rod;

[0010] A mobile test tube rack, which is arranged in the box and close to the background plate, and has a plurality of sample liquid test tubes detachably connected to the mobile test tube rack;

[0011] A porous aluminum plate optical breadboard, wherein the porous aluminum plate optical breadboard is installed between the displacement seat mechanism and the two telescopic rods;

[0012] Wherein, the ventilation component, the displacement seat mechanism, the camera, and the light source are all electrically connected to the control element.

[0013] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the displacement seat mechanism includes:

[0014] A lead screw assembly, the lead screw assembly comprising a stepper motor mounted on the inner bottom wall of the box body, the output shaft of the stepper motor being mounted with a lead screw via a coupling, and a sliding sleeve being provided on the lead screw;

[0015] A displacement stage, wherein the displacement stage is mounted on the sliding sleeve;

[0016] Wherein, the stepper motor is electrically connected to the control element, and the two telescopic rods are mounted on the top surface of the translation stage through the porous aluminum plate optical breadboard.

[0017] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the mobile test tube rack comprises:

[0018] A test tube bin, which is arranged in the box body and close to the background plate;

[0019] Universal wheels, wherein a plurality of universal wheels are provided, and the plurality of universal wheels are installed at the four corners of the bottom of the test tube bin;

[0020] Wherein, a plurality of sample liquid test tubes are detachably connected to the top of the test tube bin.

[0021] According to the intelligent detection device for the appearance quality of tobacco flavors based on machine vision provided by the utility model, one side of the background plate is rotatably connected to one side of the box body through a hinge, and the other side of the background plate is detachably connected to the other side of the box body through a door lock; a handle is installed on the background plate.

[0022] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the ventilation component includes a plurality of exhaust fans, and the plurality of exhaust fans are installed on the side walls of the box body, and the exhaust fans are electrically connected to the control element.

[0023] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the light source is installed at the telescopic end of one of the telescopic rods through a bracket, and the light source is electrically connected to the control element through a constant current light source brightness control line.

[0024] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the camera is electrically connected to the control element via an image transmission line.

[0025] According to the intelligent detection device for the appearance quality of tobacco flavoring based on machine vision provided by the utility model, the camera adopts an ultra-clear color industrial camera.

[0026] According to the intelligent detection device for appearance quality of tobacco flavor based on machine vision provided by the utility model, the light source adopts an annular 90-degree direct multi-color light source.

[0027] The utility model discloses the following technical effects:

[0028] The utility model is based on machine vision and uses light sources to achieve rapid and accurate evaluation of tobacco flavor appearance quality detection, thereby providing support for further promoting intelligent management of tobacco flavor and fragrance configuration detection industry; the utility model uses the dark flavor and fragrance liquid in the sample liquid test tube as the object to be tested, which can provide efficient, rapid and accurate measurement for tobacco flavor and fragrance configuration and qualification detection, and achieve accurate detection of tobacco flavor and fragrance appearance quality qualification, with simple and convenient operation and reduced differences in manual judgment; the utility model overcomes the difficulties of limited applicable spectral range and complex sample pretreatment, and realizes non-spectral tobacco flavor and fragrance quality detection;

[0029] The present invention uses a camera as an image acquisition module for a sample liquid in a sample liquid test tube, and realizes a high-accuracy judgment of the quality qualification of the appearance of flavors and fragrances through a sequential detection method of a light source; realizes the test of multiple tubes of sample liquid at one time through the movement of a displacement seat mechanism, and is more convenient to use; controls the upward and downward extension of two telescopic rods through a control element, increases the number of images of the sample liquid in the same sample liquid test tube at different shooting angles, reduces the influence of stray light in different environments on the sample color, improves the accuracy of image acquisition and processing, and provides a new idea for the appearance quality evaluation of tobacco flavors and fragrances;

[0030] The utility model uses the background plate to amplify the difference between the color of the sample liquid in the sample liquid test tube and the background plate, thereby improving the contrast of the sample liquid, thereby helping the camera to accurately capture the subtle differences between colors, thereby improving the detection accuracy and detection efficiency;

[0031] The utility model conveniently changes the liquid before testing by moving the test tube rack, and arranges the ventilation component to ventilate and dissipate heat for the box, thereby avoiding interference caused by temperature changes in the box. Compared with the local color block sampling method of the traditional colorimeter, the overall sampling of pixel point color of the utility model is more comprehensive, thereby enhancing the repeatability of the measuring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 This is a schematic diagram of the installation of the displacement mechanism, the detection assembly and the mobile test tube rack in the utility model;

[0034] Figure 2 It is a structural schematic diagram of the utility model;

[0035] Among them, 1. Camera; 2. Light source; 3. Telescopic rod; 4. Perforated aluminum plate optical breadboard; 5. Translation stage; 6. Bracket; 7. Sample liquid test tube; 8. Test tube compartment; 9. Background plate; 10. Constant current light source brightness control line; 11. Image transmission line; 12. Handle; 13. Hinge; 14. Universal wheel; 15. Exhaust fan. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0038] Reference Figure 1-Figure 2 The utility model provides an intelligent detection device for the appearance quality of tobacco flavor based on machine vision, comprising:

[0039] A box body, a background plate 9 which can be opened and closed is provided on one side of the box body, and a ventilation component and a control element (not shown in the figure) are installed on the box body; the control element can be set according to the specific use environment, for example, it can be a single chip microcomputer or controlled by PLC, ARM (Advanced RISC Machine: high-end reduced instruction set machine), FPGA (Field-Programmab l eGate Array: Field Programmable Gate Array) and other methods, which are not specifically limited in this embodiment;

[0040] A displacement seat mechanism, the displacement seat mechanism is installed in the box;

[0041] The detection component includes a camera 1 and a light source 2, and the camera 1 and the light source 2 are respectively mounted on the displacement seat mechanism through a telescopic rod 3;

[0042] A mobile test tube rack, which is arranged in the box and close to the background plate 9, and a plurality of sample liquid test tubes 7 are detachably connected to the mobile test tube rack;

[0043] A porous aluminum plate optical breadboard 4, which is installed between the displacement seat mechanism and the two telescopic rods 3;

[0044] Among them, the ventilation assembly, the displacement seat mechanism, the camera 1, and the light source 2 are all electrically connected to the control element;

[0045] With such arrangement, the utility model realizes rapid and accurate evaluation of tobacco flavor appearance quality detection based on machine vision and using light source 2, thereby providing support for further promoting intelligent management of tobacco flavor configuration detection industry; in the utility model, the dark flavor liquid in the sample liquid test tube 7 is used as the object to be tested, which can provide efficient, rapid and accurate measurement for tobacco flavor configuration and qualification detection, realize accurate detection of tobacco flavor appearance quality qualification, and the operation is simple and convenient, reducing the difference of manual judgment; the utility model overcomes the difficulties of limited applicable spectral range and complex sample pretreatment, and realizes non-spectral tobacco flavor quality detection;

[0046] The present invention uses a camera 1 as an image acquisition module for the sample liquid in the sample liquid test tube 7, and realizes the judgment of the quality qualification of the appearance of flavors and fragrances with high accuracy through the successive detection method of the light source 2; realizes the test of multiple tubes of sample liquid at one time through the movement of the displacement seat mechanism, which is more convenient to use; controls the upward and downward extension of the two telescopic rods 3 by the control element, increases the images of the sample liquid in the same sample liquid test tube 7 at different shooting angles, reduces the influence of stray light in different environments on the sample color, improves the accuracy of image acquisition and processing, and provides a new idea for the appearance quality evaluation of tobacco flavors and fragrances;

[0047] The utility model uses the background plate 9 to amplify the difference between the color of the sample liquid in the sample liquid test tube 7 and the background plate 9, thereby improving the contrast of the sample liquid, thereby helping the camera 1 to accurately capture the subtle differences between colors, thereby improving the detection accuracy and detection efficiency;

[0048] The utility model conveniently changes the liquid before testing by moving the test tube rack, and arranges the ventilation component to ventilate and dissipate heat for the box, thereby avoiding interference caused by temperature changes in the box. Compared with the local color block sampling method of the traditional colorimeter, the overall sampling of pixel point color of the utility model is more comprehensive, thereby enhancing the repeatability of the measuring device.

[0049] Further optimization scheme, the displacement seat mechanism includes:

[0050] The lead screw assembly includes a stepper motor mounted on the inner bottom wall of the box body, the output shaft of the stepper motor is mounted with a lead screw through a coupling, and a sliding sleeve is provided on the lead screw;

[0051] A displacement stage 5, wherein the displacement stage 5 is mounted on the sliding sleeve;

[0052] Wherein, the stepper motor is electrically connected to the control element, and the two telescopic rods 3 are mounted on the top surface of the translation stage 5 through the porous aluminum plate optical breadboard 4;

[0053] With such arrangement, the stepping motor is started by the control element, thereby driving the displacement stage 5 to perform fixed-point displacement, thereby realizing the test of multiple tubes of sample liquid at one time, which is more convenient to use.

[0054] To further optimize the solution, the mobile test tube rack includes:

[0055] The test tube bin 8 is arranged in the box body and close to the background plate 9;

[0056] Universal wheels 14, a plurality of universal wheels 14 are provided, and a plurality of universal wheels 14 are installed at the four corners of the bottom of the test tube warehouse 8; the universal wheels 14 are equipped with brake pads (not shown in the figure), and the internal structure and working principle of the universal wheels 14 are all prior art, which will not be described here;

[0057] Among them, a plurality of sample liquid test tubes 7 are detachably connected to the top of the test tube compartment 8;

[0058] In this embodiment, the number of the universal wheels 14 is preferably four, and the four universal wheels 14 are respectively installed at the four corners of the bottom of the test tube warehouse 8;

[0059] With such arrangement, the universal wheel 14 facilitates the replacement of the sample liquid test tube 7 in the test tube compartment 8 , and the brake pads provided on the universal wheel 14 ensure the convenience of changing the liquid before testing and the stability of the liquid during testing.

[0060] Further optimization scheme, one side of the background plate 9 is rotatably connected to one side of the box body through a hinge 13, and the other side of the background plate 9 is detachably connected to the other side of the box body through a box door lock; a handle 12 is installed on the background plate 9; the internal structure and working principle of the box door lock are all prior art and will not be repeated here;

[0061] In this embodiment, the background plate 9 uses a red base as the detection background to amplify the color difference and improve the sample contrast; the handle 12 is used to facilitate opening and closing of the background plate 9.

[0062] According to a further optimized solution, the ventilation assembly includes a plurality of exhaust fans 15, the plurality of exhaust fans 15 are mounted on the side walls of the box, and the exhaust fans 15 are electrically connected to the control element;

[0063] In this embodiment, the number of exhaust fans 15 is preferably two;

[0064] The exhaust fan 15 is used to realize ventilation operation in the box to avoid interference caused by temperature changes in the box.

[0065] In a further optimized solution, the light source 2 is installed at the telescopic end of one of the telescopic rods 3 through a bracket 6, and the light source 2 is electrically connected to the control element through a constant current light source brightness control line 10;

[0066] When the telescopic rod 3 is extended or retracted, the light source 2 will also move accordingly, thereby changing the distance and angle between the light source 2 and the sample liquid test tube 7, so that the device can flexibly adjust the position of the light source 2 to adapt to sample liquid test tubes 7 of different heights and angles, ensuring the uniformity and sufficiency of illumination and improving the quality of image acquisition;

[0067] The control element sends instructions to the light source 2 through the constant current light source brightness control line 10 to control the brightness and color of the light source 2, thereby ensuring that the light source 2 can provide stable and appropriate light intensity and light color in different environments to meet the detection requirements of different samples.

[0068] According to a further optimization scheme, the camera 1 is electrically connected to the control element via an image transmission line 11; after capturing the image of the sample liquid test tube 7, the camera 1 transmits the image data to the control element in real time via the image transmission line 11; after receiving the image data, the control element performs subsequent image processing and analysis, thereby realizing real-time transmission and processing of the image and improving detection efficiency and accuracy.

[0069] To further optimize the solution, camera 1 uses an ultra-clear color industrial camera;

[0070] The specific model of the industrial camera lens is SA3520M-10MP [35mm fixed focus C-mount] Hikvision, and the specific model of the industrial camera is WP-UC600 Huagu Power;

[0071] Ultra-HD color industrial cameras have the characteristics of high resolution, high clarity and high color reproduction. They can capture clear, real and detail-rich images of sample liquid test tubes under different lighting and environments. At the same time, ultra-HD color industrial cameras are also characterized by strong stability and durability, and can adapt to long-term, high-intensity detection work.

[0072] To further optimize the solution, light source 2 adopts a circular 90-degree direct multi-color light source;

[0073] The annular 90-degree direct multi-color light source can adopt the 2RND12050A90 type 90-degree direct multi-color light source; the annular 90-degree direct multi-color light source can provide uniform and sufficient lighting, while highlighting the color, texture and other characteristics of the tobacco flavor. The annular design allows the light to directly irradiate the sample liquid test tube 7 at a certain angle, avoiding the waste of light and the generation of shadows; in addition, the multi-color light source can also provide light in different wavelength ranges to meet the detection needs of different samples, which can ensure the quality and accuracy of image acquisition and provide reliable data support for subsequent image processing and analysis.

[0074] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0075] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An intelligent detection device for the appearance quality of tobacco flavor based on machine vision, characterized in that: include: A box body, one side of which is provided with an openable and closable background plate (9), and a ventilation component and a control element are installed on the box body; A displacement seat mechanism, wherein the displacement seat mechanism is installed in the box; A detection component, the detection component comprising a camera (1) and a light source (2), the camera (1) and the light source (2) being respectively mounted on the displacement seat mechanism via a telescopic rod (3); A mobile test tube rack, the mobile test tube rack being arranged in the box body and close to the background plate (9), and the mobile test tube rack being detachably connected to a plurality of sample liquid test tubes (7); A porous aluminum plate optical breadboard (4), wherein the porous aluminum plate optical breadboard (4) is installed between the displacement seat mechanism and the two telescopic rods (3); Wherein, the ventilation component, the displacement seat mechanism, the camera (1), and the light source (2) are all electrically connected to the control element.

2. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The displacement seat mechanism comprises: A lead screw assembly, the lead screw assembly comprising a stepper motor mounted on the inner bottom wall of the box body, the output shaft of the stepper motor being mounted with a lead screw via a coupling, and a sliding sleeve being provided on the lead screw; A displacement platform (5), wherein the displacement platform (5) is mounted on the sliding sleeve; The stepper motor is electrically connected to the control element, and the two telescopic rods (3) are mounted on the top surface of the displacement platform (5) via the porous aluminum plate optical breadboard (4).

3. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The mobile test tube rack comprises: A test tube bin (8), the test tube bin (8) being arranged in the box body and close to the background plate (9); Universal wheels (14), wherein a plurality of the universal wheels (14) are provided, and the plurality of the universal wheels (14) are installed at the four corners of the bottom of the test tube bin (8); Wherein, a plurality of sample liquid test tubes (7) are detachably connected to the top of the test tube compartment (8).

4. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: One side of the background plate (9) is rotatably connected to one side of the box body via a hinge (13), and the other side of the background plate (9) is detachably connected to the other side of the box body via a door lock; a handle (12) is installed on the background plate (9).

5. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The ventilation assembly comprises a plurality of exhaust fans (15), wherein the plurality of exhaust fans (15) are mounted on the side walls of the box body, and the exhaust fans (15) are electrically connected to the control element.

6. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The light source (2) is mounted on the telescopic end of one of the telescopic rods (3) via a bracket (6); the light source (2) is electrically connected to the control element via a constant current light source brightness control line (10).

7. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The camera (1) is electrically connected to the control element via an image transmission line (11).

8. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The camera (1) is an ultra-high definition color industrial camera.

9. The intelligent detection device for tobacco flavor appearance quality based on machine vision according to claim 1 is characterized in that: The light source (2) is a circular 90-degree direct multi-color light source.

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