CN212674791U - Image acquisition and identification equipment for tobacco leaves - Google Patents
Image acquisition and identification equipment for tobacco leaves Download PDFInfo
- Publication number
- CN212674791U CN212674791U CN202020806483.5U CN202020806483U CN212674791U CN 212674791 U CN212674791 U CN 212674791U CN 202020806483 U CN202020806483 U CN 202020806483U CN 212674791 U CN212674791 U CN 212674791U
- Authority
- CN
- China
- Prior art keywords
- light
- image acquisition
- light shielding
- tobacco leaves
- shielding plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses an image acquisition identification equipment for tobacco leaf, including detecting storehouse frame, light screen, camera installing support, linear array camera, light source installing support, line source, be equipped with into storehouse mouth and delivery port in the detection storehouse frame. The utility model discloses an utilize two linear array cameras of installing side by side to carry out synchronous scanning, effectively promoted the imaging resolution ratio; simultaneously, two groups of linear light sources are symmetrically inclined from two sides to polish, the light source lighting positions are concentrated, the influence of light rays reflected for multiple times and shadows generated by light irradiation of a single light source on the imaging quality is avoided, the reduction degree of the color of tobacco leaves is high, the black acrylic light shading plate structure comprises a front part, a rear part, a left part, a right part, a top part, a bottom part, a conveying line side face and the like, the interference of no ambient light rays at the detection station position is comprehensively ensured, a light absorption flannelette layer is pasted on the inner side of the acrylic light shading plate, and the light interference caused by the light rays reflected in the detection bin is reduced.
Description
Technical Field
The utility model relates to an optical image detects technical field, especially relates to an image acquisition identification equipment for tobacco leaf.
Background
Tobacco leaf grading is a key step in the whole process of cigarette production. At present, the tobacco leaf grading work mainly depends on manual sorting, a large amount of manpower and financial resources are consumed, the grading result has strong subjectivity and multiple factor influences, and the tobacco leaf grading is unscientific, not objective and low in efficiency.
Therefore, under the background, the requirement of intelligent automatic grading of tobacco leaves is brought forward. The automatic detection grading mode based on the computer vision technology mainly applies the image processing technology, the intelligent algorithm and other technologies to process the tobacco leaf graph to be detected obtained in the image acquisition process, so as to obtain the parameters of the size, the shape, the color and the like of the tobacco leaf to be detected, the intelligent algorithm is used for obtaining the quality of the tobacco leaf according to a certain comparison method, the grade of the tobacco leaf to be detected is determined, and the tobacco leaf grade determination is completed.
The image acquisition of the tobacco leaves is completed, the first step of intelligent automatic grading is realized, and the accuracy and the reliability of follow-up intelligent identification can be greatly ensured by acquiring the high-quality tobacco leaf images with high color reduction degree.
SUMMERY OF THE UTILITY MODEL
The utility model provides an image acquisition identification equipment for tobacco leaf for solve among the background art at present, tobacco leaf grading work mainly relies on artifical letter sorting, need consume a large amount of manpower financial resources, and grading result subjectivity is strong, and the factor influence is many, leads to tobacco leaf grading unscientific nature, not objective and the technical problem of inefficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an image acquisition identification equipment for tobacco leaf, is including detecting storehouse frame, light screen, camera installing support, linear array camera, light source installing support, line source, be equipped with into storehouse mouth and delivery port in the detection storehouse frame, linear array camera and line source all through support fixed mounting on the top of detecting the storehouse frame, the light screen is inlayed and is installed all around and the top of detecting the storehouse frame.
Preferably, the detection bin frame is assembled by aluminum profiles.
Preferably, the linear array cameras are fixedly installed on the camera installation support, and the linear array cameras are symmetrically installed in parallel in the detection bin frame.
Preferably, the linear light sources are fixedly installed on the light source installation support, and the linear light sources are symmetrically installed in parallel in the detection bin frame.
Preferably, the light screen is a black acrylic plate product, and the light screen consists of eight parts, namely a front light screen, a rear light screen, a left light screen, a right light screen, a top light screen, a bottom light screen and two side light screens of the conveying line.
Preferably, the front shading plate is divided into two symmetrical parts, the two parts in the front shading plate are connected with the detection bin frame through hinges, and the front shading plate can be opened oppositely.
Compared with the prior art, the utility model, its beneficial effect does:
1. the imaging resolution is effectively improved by using two linear cameras which are installed in parallel to perform synchronous scanning; meanwhile, two groups of linear light sources are symmetrically and obliquely used for lighting from two sides, the lighting positions of the light sources are concentrated, the influence of light rays reflected for many times and shadow generated by lighting of a single light source on the imaging quality is avoided, and the reduction degree of the color of the tobacco leaves is high.
2. Through adopting black ya keli light screen structure, contain preceding, back, left and right, top, bottom, transfer chain side parts such as side, guaranteed comprehensively that detection station position does not have the interference of ambient light, the inboard subsides of ya keli light screen have one deck extinction cotton flannel layer, have reduced the light interference that light source light reflection arouses in detecting the storehouse.
Drawings
Fig. 1 is a schematic view of an internal structure of an image acquisition and recognition device for tobacco leaves according to the present invention;
fig. 2 is a schematic diagram of an appearance structure of the image acquisition and recognition device for tobacco leaves provided by the present invention;
fig. 3 is a schematic view of a connection structure between a camera mounting bracket and a line camera of an image acquisition and recognition device for tobacco leaves provided by the utility model;
fig. 4 is a schematic view of a connection structure between a light source mounting bracket and a line light source of the image acquisition and recognition device for tobacco leaves provided by the utility model.
In the figure: 1 detection storehouse frame, 2 light screens, 3 camera installing supports, 4 linear array cameras, 5 light source installing supports, 6 line sources, 7 income storehouse mouths, 8 delivery openings, 9 front light screens, 10 rear light screens, 11 left light screens, 12 right light screens, 13 top light screens, 14 bottom light screens, 15 transfer chain both sides portion light screens, 16 hinges.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an image acquisition and recognition device for tobacco leaves comprises a detection bin frame 1, a light screen 2, a camera mounting bracket 3, a linear array camera 4, a light source mounting bracket 5 and a linear light source 6, wherein the detection bin frame 1 is formed by assembling aluminum profiles, a bin inlet 7 and a bin outlet 8 are arranged in the detection bin frame 1, the linear array camera 4 and the linear light source 6 are fixedly mounted on the top of the detection bin frame 1 through brackets, the linear array camera 4 is fixedly mounted on the camera mounting bracket 3, the camera mounting brackets 3 are respectively and symmetrically mounted on two sides of the axis of a detection bin (not shown in the figure), the linear array cameras 4 are symmetrically and parallelly mounted in the detection bin frame 1, the linear light source 6 is fixedly mounted on the light source mounting bracket 5, the linear light source 6 is symmetrically and parallelly mounted in the detection bin frame 1, and each linear light source 6 is mounted by using two light source mounting, the linear light sources 6 are symmetrically arranged on two sides of the axis of the detection bin (not shown in the figure), and are inclined at a certain angle to polish the detection station.
When the utility model is used, tobacco leaves are placed on an external conveyor belt and enter the detection bin frame 1 from the inlet 7 by the conveyor belt, a distance of 300mm is reserved between the inlet 7 and a detection station, a bottom light screen 14 is arranged at the position, and the bottom light screen 14 can effectively inhibit stray light entering from the inlet 7; when the tobacco leaves are conveyed to the detection station, the linear array cameras 4 start to scan line by line, meanwhile, the tobacco leaves continue to advance at a constant speed, so that a complete tobacco leaf photo can be obtained through scanning exposure, the scanning frequency of the cameras is matched with the constant speed of the tobacco leaves, the resolution and the scanning period are in a direct proportional relation with the moving speed of the tobacco leaves, in order to meet the required precision requirement and the required exposure field width, two 8K resolution linear array cameras 4 which are installed in parallel are adopted for shooting, and the imaging resolution is effectively improved; meanwhile, two groups of linear light sources 6 are symmetrically and obliquely polished from two sides, the lighting positions of the light sources are concentrated, the influence of light rays reflected for many times and shadow generated by single light source polishing on the imaging quality is avoided, and the reduction degree of the tobacco color is high.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an image acquisition and recognition equipment for tobacco leaf, is including detecting storehouse frame (1), light screen (2), camera installing support (3), linear array camera (4), light source installing support (5), line source (6), its characterized in that, be equipped with into door (7) and delivery port (8) in detecting storehouse frame (1), linear array camera (4) and line source (6) are all through support fixed mounting on the top that detects storehouse frame (1), light screen (2) are inlayed and are installed around detecting storehouse frame (1) and top.
2. The image acquisition and identification device for tobacco leaves according to claim 1, characterized in that said detection chamber frame (1) is assembled by aluminium profiles.
3. The image acquisition and identification device for tobacco leaves according to claim 1, characterized in that the line cameras (4) are fixedly mounted on the camera mounting bracket (3), and the line cameras (4) are symmetrically mounted in parallel in the inspection chamber frame (1).
4. The image acquisition and identification device for tobacco leaves according to claim 1, characterized in that the linear light sources (6) are fixedly mounted on the light source mounting bracket (5), and the linear light sources (6) are symmetrically arranged in parallel in the detection chamber frame (1).
5. The image acquisition and identification device for tobacco leaves according to claim 1, characterized in that the light shielding plate (2) is a black acrylic plate product, and the light shielding plate (2) is composed of eight parts, namely a front light shielding plate (9), a rear light shielding plate (10), a left light shielding plate (11), a right light shielding plate (12), a top light shielding plate (13), a bottom light shielding plate (14) and two side light shielding plates (15) of a conveying line.
6. The image acquisition and identification device for tobacco leaves according to claim 5, characterized in that the front light screen (9) is divided into two symmetrical parts, the two parts in the front light screen (9) are connected with the detection chamber frame (1) through a hinge (16), and the front light screen (9) can be opened oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806483.5U CN212674791U (en) | 2020-05-15 | 2020-05-15 | Image acquisition and identification equipment for tobacco leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806483.5U CN212674791U (en) | 2020-05-15 | 2020-05-15 | Image acquisition and identification equipment for tobacco leaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674791U true CN212674791U (en) | 2021-03-09 |
Family
ID=74814095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020806483.5U Active CN212674791U (en) | 2020-05-15 | 2020-05-15 | Image acquisition and identification equipment for tobacco leaves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118068028A (en) * | 2024-04-18 | 2024-05-24 | 昆明固佳自动化设备有限公司 | Online quality detection device of finished tobacco leaf based on arm, AGV |
-
2020
- 2020-05-15 CN CN202020806483.5U patent/CN212674791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118068028A (en) * | 2024-04-18 | 2024-05-24 | 昆明固佳自动化设备有限公司 | Online quality detection device of finished tobacco leaf based on arm, AGV |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7551274B1 (en) | Defect detection lighting system and methods for large glass sheets | |
| CN204116238U (en) | A kind of ceramic tile texture on-line checkingi sorter | |
| CN105241400A (en) | Glass flatness detection method and device | |
| CN205562432U (en) | Electron sheet glass defect detecting's image acquisition device | |
| CN212674791U (en) | Image acquisition and identification equipment for tobacco leaves | |
| CN211905129U (en) | Dispensing detection device | |
| CN114636706A (en) | Comprehensive method and device for image detection of solar cell after film coating | |
| JP3494807B2 (en) | Method and apparatus for correcting output signals of a plurality of photodetectors | |
| CN211122580U (en) | Plate defect detection equipment | |
| CN107742119A (en) | A kind of contour of object extraction and coalignment and method based on figure viewed from behind imaging | |
| CN208350678U (en) | Transparent vessel oral area crackle on-line measuring device | |
| CN205156882U (en) | Device that glass roughness detected | |
| CN212207061U (en) | Bottle bottom defect detection system | |
| CN211563748U (en) | Polaroid flaw detection device | |
| CN207397296U (en) | A kind of object identification device based on figure viewed from behind imaging | |
| CN211347966U (en) | Cigarette outward appearance detects image device | |
| CN207662807U (en) | A kind of device of automatic detection transparent parts surface defect | |
| CN116124796A (en) | Appearance detection equipment for photovoltaic cell assembly | |
| CN115037922A (en) | Uniform light source platform for camera calibration, and non-uniformity measurement and correction method | |
| CN210324228U (en) | Novel fingerprint and palm print acquisition optical system | |
| CN214472828U (en) | Apple surface defect automatic checkout device | |
| CN2651768Y (en) | Camera lens | |
| CN211206297U (en) | Cigarette packet image acquisition device | |
| CN218546573U (en) | AOI appearance inspection machine | |
| CN204028976U (en) | A kind of silicon chip tablet counter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |