Tobacco leaf rating table based on eye movement information collection
By using an eye-tracking information-based tobacco grading table, combined with a tilted desktop and intelligent equipment, the tobacco grading process has been optimized, solving the problem of inconsistent grading caused by multi-person collaboration and achieving efficient and accurate tobacco grading.
Patent Information
- Application Number
- CN202423312762.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The tobacco leaf grading test process requires the cooperation of multiple staff members, which leads to inconsistencies and errors in grading results, and also results in low grading efficiency.
An eye-tracking-based tobacco grading table is used, which combines a tilting tabletop, a storage and retrieval mechanism for the cardboard tray, an adjustable shield, and a positioning mechanism to record the eye movement trajectory and focus of the graders, thereby optimizing the grading process and reducing human error.
It has improved the accuracy and efficiency of tobacco leaf grading, reduced human error, promoted the inheritance and intelligent development of grading skills, and met the needs of large-scale grading tasks.
Smart Images
Figure CN223756619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of tobacco leaf grading evaluation equipment, in particular to a tobacco leaf grading table based on eye movement information collection. BACKGROUND
[0002] Tobacco leaf grading can ensure the consistency of tobacco leaf quality, and different quality tobacco leaves can be distinguished through grading. Tobacco leaf grading test is a way to evaluate the grading ability of the grader, and in addition to the person being tested and the grading table, three auxiliary personnel are also needed. The first person is responsible for the transfer and placement of the tobacco leaf dragon card board on the grading table. The second person is responsible for holding the card to block the line of sight of the tester during the replacement of the dragon card board. The third person is responsible for entering the tester's information, recording the tester's answers, and monitoring the video collection.
[0003] The person being tested uses visual, tactile and other sensory experience and sensory analysis techniques to grade the tobacco leaves. Differences in experience, subjective judgment and visual fatigue of the person being tested can easily lead to inconsistency and errors in the grading results. The introduction of eye movement information collection technology in tobacco leaf grading test can accurately record the fixation point, fixation time and saccade trajectory of the human eye. By comparing the eye movement information record with the test results, the tobacco leaf grading skill can be inherited, knowledge sharing and rapid inheritance can be promoted, and high-skilled tobacco leaf grading personnel can be cultivated. The tobacco leaf grading discipline system can be enriched, and the development of the tobacco leaf grading discipline can be promoted. Human-machine experience interaction can be promoted, and the development and application of intelligent grading can be promoted
[0004] For the related technology in the above, the inventor finds that the following defects exist: The tobacco leaf grading test process needs to be completed by multiple workers. CONTENT OF THE UTILITY MODEL
[0005] In order to improve the efficiency of the tobacco leaf grading test process, the present application provides a tobacco leaf grading table based on eye movement information collection.
[0006] The tobacco leaf grading table based on eye movement information collection provided by the present application adopts the following technical solution: including support legs, a dragon card board, the support legs are arranged in pairs and have different lengths, one end of the support leg is provided with a desktop for fixing the dragon card board and placed obliquely, the dragon card board is provided with mounting positions for fixing tobacco leaves, one side of the desktop is provided with a storable flap, the flap is provided with a storage box for sequentially stacking the dragon card board in the vertical direction, the storage box is provided with an opening for removing the dragon card board, one end of the flap away from the desktop is provided with a displacement mechanism for removing the dragon card board from the storage box, the desktop is provided with a positioning mechanism for fixing the position of the dragon card board, one side of the desktop is provided with a movable shielding plate, and one corner of the desktop is provided with a vertical frame for placing a camera.
[0007] Preferably, the angle between the desktop and the horizontal plane is 5 degrees.
[0008] Preferably, the displacement mechanism comprises a folding plate hingedly connected to the flap, the folding plate and the flap are both hingedly connected with telescopic legs for support, a push rod motor is arranged on the folding plate, a push sleeve is arranged on the output shaft of the push rod motor, the push sleeve is in a hollow rectangular plate structure, and an inlet for the push sleeve to enter is arranged on the side of the storage box away from the opening.
[0009] Preferably, a pull rod is hingedly connected to the flap, a pull column is arranged on the folding plate for cooperation with the pull rod, when one end of the pull rod is clamped with the pull column, the folding plate is arranged perpendicular to the flap, friction rings are arranged on the two opposite sides of the long card plate along the edge of the long card plate, and the thickness of the push sleeve is equal to the sum of the thicknesses of the long card plate and the two friction rings.
[0010] Preferably, the positioning mechanism comprises a blocking strip fixed to the desktop and used for preventing the long card plate from sliding along the inclined desktop under the action of gravity, a cap is arranged on the side edge of the long card plate, a magnet is arranged in the cap, and an iron block is arranged on the desktop for cooperation with the magnet.
[0011] Preferably, the vertical frame comprises a vertical rod and a frame body, the vertical rod is a telescopic rod, the telescopic rod and the frame body are rotationally connected through a universal joint, and a buckle for fixing the camera is connected in the frame body through a spring.
[0012] Preferably, a slide rail is arranged on one side edge of the desktop, a slide rod is arranged on one end of the shielding plate for cooperation with the slide rail, an elastic protrusion is arranged on the slide rod, and a groove is arranged in the slide rail for cooperation with the elastic protrusion.
[0013] In summary, the present application has the following beneficial technical effects:
[0014] 1. Through the eye movement information collection technology, the eye movement trajectory and focus point of the rating personnel when observing the tobacco leaves can be recorded, and the visual behavior pattern in the rating process can be analyzed. Combined with the actual characteristic data of the tobacco leaves, the judgment basis of the measured personnel can be deeply understood, potential misjudgment factors can be found, and targeted training and improvement can be carried out, thereby improving the overall rating accuracy;
[0015] 2. The inclined desktop design, the storage and taking-out mechanism of the long card plate, and the adjustable shielding plate and other components optimize the operation process of the tobacco leaf rating test, reduce the time consumption of the rating personnel in the sample preparation, placement and arrangement links, and make the rating work more efficiently, thereby meeting the demand of large-scale tobacco leaf rating task;
[0016] 3. The positioning mechanism can ensure the stable fixation of the Dragon card on the inclined table top, avoid the displacement of the tobacco sample due to the inclination of the table top or slight vibration during operation, and ensure that the sample is always in the best observation position when the tested person observes the tobacco, which is conducive to making accurate rating judgments;
[0017] 4. The movable shielding plate effectively blocks the interference of external light, creates a relatively stable and suitable light observation environment for tobacco rating, and helps the tested person to observe the appearance characteristics of the tobacco more clearly, reducing the influence of environmental factors on the rating results. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural diagram of a tobacco rating table based on eye movement information collection according to the present application;
[0019] Figure 2 is an enlarged view of position A in the structural diagram of the tobacco rating table based on eye movement information collection according to the present application;
[0020] Figure 3 is a top view of the table top of the tobacco rating table based on eye movement information collection according to the present application;
[0021] Figure 4 is a structural diagram of the tobacco rating table based on eye movement information collection according to the present application when in use.
[0022] Reference signs: 1 support leg, 2 table top, 3 flap, 4 storage box, 5 opening, 6 shielding plate, 7 folding plate, 8 telescopic leg, 9 push rod motor, 10 push sleeve, 11 inlet, 12 pull rod, 13 pull column, 14 friction ring, 15 blocking strip, 16 cap, 17 magnet, 18 vertical rod, 19 frame body, 20 slide rail, 21 slide rod. DETAILED DESCRIPTION
[0023] The following will be described in detail with reference to the accompanying drawings Figures 1-4 The present application will be further described in detail.
[0024] The present application discloses a tobacco rating table based on eye movement information collection. As shown in the drawings, Figure 1 , 2As shown in FIGS. 4, the tobacco rating table based on eye movement information collection includes support legs 1, a dragon card plate, and the support legs 1 are arranged in pairs and have different lengths, one end of the support leg 1 is screw-fixed with a desktop 2 which is placed obliquely and used for fixing the dragon card plate, the desktop 2 has an angle of 5 degrees with the horizontal plane, and the desktop 2 is inclined towards the direction of the tested personnel. The dragon card plate is provided with mounting positions for fixing tobacco leaves, and the dragon card plate belongs to the prior art. One side edge of the desktop 2 is provided with a turning plate 3 which is arranged in parallel with the desktop 2 and can be stored in the side edge of the desktop 2 after being rotated by 90 degrees. The turning plate 3 is provided with a storage box 4 for sequentially stacking the dragon card plate in the vertical direction, one end of the storage box 4 is provided with an openable cover plate, the storage box 4 is provided with an opening 5 for moving out the dragon card plate, and one end of the turning plate 3 away from the desktop 2 is provided with a displacement mechanism for moving out the dragon card plate from the storage box 4. The displacement mechanism includes a folding plate 7 which is hingedly connected with the turning plate 3, and the turning plate 3 and the folding plate 7 are both hingedly provided with telescopic legs for supporting, and the turning plate 3 and the folding plate 7 are both provided with four telescopic legs. The telescopic legs belong to the prior art. The folding plate 7 is screw-fixed with a push rod motor 9 through a mounting seat, the output shaft of the push rod motor 9 is clamped with a push sleeve 10 which has a hollow rectangular plate structure. One side of the storage box 4 away from the opening 5 is provided with an inlet 11 for the push sleeve 10 to enter, and one end of the push sleeve 10 is located in the inlet 11 in the normal state. When the push rod motor 9 is powered, the push rod motor 9 drives the push sleeve 10 to move out the dragon card plate from the storage box 4 through the opening 5. The desktop 2 is provided with a positioning mechanism for fixing the position of the dragon card plate, and one side edge of the desktop 2 is provided with a shielding plate 6 which can move in the vertical direction. The shielding plate 6 has a rectangular plate structure, one side of the desktop 2 close to the measured personnel is screw-fixed with a sliding rail 20, one end of the shielding plate 6 is screw-fixed with a sliding rod 21 which is used in cooperation with the sliding rail 20. The opposite sides of the sliding rod 21 are both provided with elastic protrusions which are uniformly arranged along the length direction of the sliding rod 21, and the sliding rail 20 is provided with grooves which are used in cooperation with the elastic protrusions. One corner of the desktop 2 is provided with a vertical frame for placing a camera, and the vertical frame includes a vertical rod 18 and a frame body 19. The vertical rod 18 is screw-fixed with the desktop 2, and the vertical rod 18 is a telescopic rod which belongs to the prior art. The telescopic rod is rotationally connected with the frame body 19 through a universal joint, and the frame body 19 is connected with a buckle for fixing the camera through a spring.
[0025] In an embodiment, according to the attached Figure 2 As shown in FIGS. 4, the tobacco rating table based on eye movement information collection includes support legs 1, a dragon card plate, and the support legs 1 are arranged in pairs and have different lengths, one end of the support leg 1 is screw-fixed with a desktop 2 which is placed obliquely and used for fixing the dragon card plate, the desktop 2 has an angle of 5 degrees with the horizontal plane, and the desktop 2 is inclined towards the direction of the tested personnel. The dragon card plate is provided with mounting positions for fixing tobacco leaves, and the dragon card plate belongs to the prior art. One side edge of the desktop 2 is provided with a turning plate 3 which is arranged in parallel with the desktop 2 and can be stored in the side edge of the desktop 2 after being rotated by 90 degrees. The turning plate 3 is provided with a storage box 4 for sequentially stacking the dragon card plate in the vertical direction, one end of the storage box 4 is provided with an openable cover plate, the storage box 4 is provided with an opening 5 for moving out the dragon card plate, and one end of the turning plate 3 away from the desktop 2 is provided with a displacement mechanism for moving out the dragon card plate from the storage box 4. The displacement mechanism includes a folding plate 7 which is hingedly connected with the turning plate 3, and the turning plate 3 and the folding plate 7 are both hingedly provided with telescopic legs for supporting, and the turning plate 3 and the folding plate 7 are both provided with four telescopic legs. The telescopic legs belong to the prior art. The folding plate 7 is screw-fixed with a push rod motor 9 through a mounting seat, the output shaft of the push rod motor 9 is clamped with a push sleeve 10 which has a hollow rectangular plate structure. One side of the storage box 4 away from the opening 5 is provided with an inlet 11 for the push sleeve 10 to enter, and one end of the push sleeve 10 is located in the inlet 11 in the normal state. When the push rod motor 9 is powered, the push rod motor 9 drives the push sleeve 10 to move out the dragon card plate from the storage box 4 through the opening 5. The desktop 2 is provided with a positioning mechanism for fixing the position of the dragon card plate, and one side edge of the desktop 2 is provided with a shielding plate 6 which can move in the vertical direction. The shielding plate 6 has a rectangular plate structure, one side of the desktop 2 close to the measured personnel is screw-fixed with a sliding rail 20, one end of the shielding plate 6 is screw-fixed with a sliding rod 21 which is used in cooperation with the sliding rail 20. The opposite sides of the sliding rod 21 are both provided with elastic protrusions which are uniformly arranged along the length direction of the sliding rod 21, and the sliding rail 20 is provided with grooves which are used in cooperation with the elastic protrusions. One corner of the desktop 2 is provided with a vertical frame for placing a camera, and the vertical frame includes a vertical rod 18 and a frame body 19. The vertical rod 18 is screw-fixed with the desktop 2, and the vertical rod 18 is a telescopic rod which belongs to the prior art. The telescopic rod is rotationally connected with the frame body 19 through a universal joint, and the frame body 19 is connected with a buckle for fixing the camera through a spring.
[0026] In an embodiment, according to the attached Figure 2 and 3As shown, the positioning mechanism includes a blocking strip 15 fixed to the tabletop 2 and used to prevent the dragon card plate from sliding along the inclined tabletop 2 under the action of gravity, the blocking strip 15 is bolted to the tabletop 2, the dragon card plate is provided with a cap 16 in an integral structure on two opposite sides, the cap 16 is in a hollow cylindrical structure, the cap 16 is glued with a magnet 17, and the tabletop 2 is provided with an iron block used in cooperation with the magnet 17.
[0027] The implementation principle of the tobacco grading table based on eye movement information collection in the embodiment of the application is as follows: before starting the tobacco grading test work, the tobacco to be graded is fixed on the mounting position of the dragon card plate in sequence, then the dragon card plate is vertically stacked into the storage box through the opening of the storage box, and the camera is installed on the vertical frame, when the grading test is performed, the folding plate and the folding plate are adjusted at the same time, the push rod motor on the folding plate is started, the push rod motor drives the push sleeve to enter from the inlet of the storage box, since the thickness of the push sleeve is equal to the sum of the thickness of the dragon card plate and the two friction rings, the push sleeve can smoothly push the outermost dragon card plate out of the storage box through the opening, and the dragon card plate slides along the tabletop to the mounting position. The magnet in the cap on the side of the dragon card plate attracts the iron block on the tabletop, and the blocking strip prevents the dragon card plate from continuing to slide downward, so that the dragon card plate is accurately positioned on the tabletop. The measured person starts to observe and grade the tobacco, in this process, the camera synchronously collects the eye movement information of the grader and the image information of the tobacco, and transmits the data to the data processing system connected thereto. During the grading process, the position of the shielding plate needs to be adjusted, the shielding plate can be pushed to make the sliding rod slide in the sliding rail, the elastic protrusion moves in the groove and produces a certain elastic deformation, when the shielding plate moves to the appropriate position, the elastic protrusion restores to the original state and is clamped in the groove to fix the shielding plate.
[0028] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.
Claims
1. A tobacco leaf grading table based on eye movement information collection, comprising support legs (1), a dragon card plate, characterized in that: Supporting legs (1) are arranged in pairs and have different lengths. One end of the supporting legs (1) is provided with a desktop (2) which is arranged obliquely and used for fixing a dragon card plate. The dragon card plate is provided with mounting positions for fixing tobacco leaves. One side of the desktop (2) is provided with a foldable plate (3). The foldable plate (3) is provided with a storage box (4) used for sequentially stacking the dragon card plates in the vertical direction. The storage box (4) is provided with an opening (5) used for moving out the dragon card plates. One end of the foldable plate (3) away from the desktop (2) is provided with a displacement mechanism used for moving out the dragon card plates from the storage box (4). The desktop (2) is provided with a positioning mechanism used for fixing the position of the dragon card plate. One side of the desktop (2) is provided with a movable shielding plate (6). One corner of the desktop (2) is provided with a vertical frame used for placing a camera.
2. The tobacco grading table based on eye movement information collection according to claim 1, characterized in that: The desktop (2) is at an angle of 5 degrees with the horizontal plane.
3. The tobacco grading table based on eye movement information collection according to claim 1, characterized in that: The displacement mechanism comprises a folding plate (7) which is hingedly connected to the foldable plate (3). The foldable plate (3) and the folding plate (7) are both hingedly provided with telescopic legs used for supporting. The folding plate (7) is provided with a push rod motor (9). The output shaft of the push rod motor (9) is provided with a push sleeve (10). The push sleeve (10) is in the form of a hollow rectangular plate. One side of the storage box (4) away from the opening (5) is provided with an inlet (11) used for the push sleeve (10) to enter. When the push rod motor (9) is powered, the push rod motor (9) drives the push sleeve (10) to move out the dragon card plate from the storage box (4) through the opening (5).
4. The tobacco grading table based on eye movement information collection according to claim 3, characterized in that: The foldable plate (3) is hingedly provided with a pull rod (12). The folding plate (7) is provided with a pull column (13) used in cooperation with the pull rod (12). When one end of the pull rod (12) is connected to the pull column (13), the folding plate (7) is arranged perpendicularly to the foldable plate (3). Both opposite surfaces of the dragon card plate are provided with friction rings (14). The friction rings (14) are arranged along the edges of the dragon card plate. The thickness of the push sleeve (10) is equal to the sum of the thicknesses of the dragon card plate and the two friction rings (14).
5. The leaf grading table based on eye movement information collection of claim 1, wherein: The positioning mechanism comprises a blocking strip (15) which is fixed to the desktop (2) and used for preventing the dragon card plate from sliding along the inclined desktop (2) under the action of gravity. One side of the dragon card plate is provided with a cap (16). The cap (16) is provided with a magnet (17) inside. The desktop (2) is provided with an iron block used in cooperation with the magnet (17).
6. The leaf grading table based on eye movement information collection of claim 1, wherein: The vertical frame comprises a vertical rod (18) and a frame body (19). The vertical rod (18) is a telescopic rod. The telescopic rod is rotatably connected to the frame body (19) through a universal joint. The frame body (19) is connected to a buckle used for fixing the camera through a spring.
7. The leaf grading table based on eye movement information collection of claim 1, wherein: One side of the desktop (2) is provided with a sliding rail (20). One end of the shielding plate (6) is provided with a sliding rod (21) used in cooperation with the sliding rail (20). The sliding rod (21) is provided with an elastic protrusion. The sliding rail (20) is provided with a groove used in cooperation with the elastic protrusion.