Seed coating uniformity detector
By combining an industrial vision camera and a rotating mechanism, multi-angle non-contact detection of seed coating layers is achieved, solving the problems of inaccurate measurement and high destructiveness in existing technologies, and improving detection efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-27
- Publication Date
- 2026-04-07
AI Technical Summary
Existing technologies are insufficient for effectively measuring the thickness variation and surface contour consistency of the seed coating layer throughout the seed's circumference. Furthermore, traditional contact measurement methods are prone to damaging the coating layer, resulting in poor repeatability and accuracy, and are unable to meet the needs of quantitative and standardized testing.
An industrial vision camera, combined with a rotating mechanism and a vibrating feeder, is used to achieve multi-angle non-contact detection of seed coating. Combined with image processing technology, the coating uniformity analysis is completed automatically.
It enables automated, non-contact detection of seed coating uniformity, improves the stability and efficiency of detection results, reduces human intervention, and is suitable for large-scale seed quality testing.
Smart Images
Figure CN224087380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to seed coating detection technical field especially relates to a seed coating uniformity detector. BACKGROUND
[0002] Seed coating technology can realize the purposes of preventing diseases and insect pests, promoting germination and improving seeding adaptability by forming a functional coating layer on the surface of seeds, and the coating quality directly affects the seedling emergence rate and field uniformity. Among them, the thickness distribution, coverage integrity and circumferential uniformity of the coating layer on the surface of the seed are important indicators for evaluating the coating quality, which is essentially a detection problem of the linear size and contour consistency of the coating layer on the irregular curved surface.
[0003] In the prior art, the seed coating quality depends on manual sampling observation or single direction imaging analysis, and usually only the coating state of one side or a local area of the seed can be obtained, and it is difficult to effectively measure the thickness change and surface contour consistency of the coating layer in the whole circumferential direction of the seed. In addition, due to the irregular shape and small size of the seed, the traditional contact type measurement method is easy to damage the coating layer, and the repeatability and precision are poor, which is difficult to meet the needs of quantitative and standardized detection of coating uniformity.
[0004] Therefore, the utility model provides a seed coating uniformity detector to solve the problems in the prior art. UTILITY MODEL CONTENTS
[0005] The utility model discloses a seed coating uniformity detector to solve the problems in the prior art.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A seed coating uniformity detector, comprising a detector body provided with a detection cavity, a vibration feeder is arranged on one side of the detector body, an optical flat glass is arranged inside the detection cavity, a support plate is arranged between the optical flat glass and the detection cavity, a fixed plate is fixedly connected inside the detection cavity, a rotating cylinder is rotatably connected to the middle of the fixed plate, the optical flat glass passes through the rotating cylinder, an industrial vision camera is arranged inside the rotating cylinder, and a rotating mechanism is arranged on the outer wall of the rotating cylinder.
[0008] Preferably, the rotating mechanism comprises a servo motor installed in the detection cavity, and a drive gear is fixedly connected to the shaft end of the output shaft of the servo motor.
[0009] Preferably, a driven gear is engaged on one side of the drive gear and fixedly connected to the outer wall of the rotating cylinder.
[0010] Preferably, the optical flat glass top outer wall is slidingly connected with a pushing plate, and two baffle plates are symmetrically and fixedly connected on the outer wall of the pushing plate.
[0011] Preferably, the detection cavity is provided with an electric telescopic rod two on one side of the outer wall, and the telescopic end of the electric telescopic rod two is fixedly connected with the outer wall of the pushing plate.
[0012] Preferably, the detection cavity is provided with a storage cavity on one side, and the storage cavity is provided with a cabinet door on the outer wall, and a qualified storage box is placed on the inner wall of the bottom of the storage cavity.
[0013] Preferably, the storage cavity is provided with two electric telescopic rods one above, and the telescopic end of the two electric telescopic rods one is fixedly connected with an L-shaped storage plate, and an unqualified storage box is placed on the L-shaped storage plate.
[0014] The beneficial effects of the utility model are:
[0015] Through multi-angle rotation shooting and image processing of the industrial vision camera, the automation and non-contact detection of the seed coating uniformity are realized, and the detection result is objective and stable; in cooperation with the vibration feeding and the automatic sorting structure, the feeding, detection and classification can be continuously completed, the detection efficiency is significantly improved, the artificial participation degree is reduced, and the utility model is suitable for large-scale seed quality detection. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structure schematic view of a seed coating uniformity detector;
[0017] Fig. 2 It is a detection instrument body cross section structure schematic view of a seed coating uniformity detector;
[0018] Fig. 3 It is a fixed plate structure schematic view of a seed coating uniformity detector.
[0019] In the drawing: 1, detection instrument body; 2, cabinet door; 3, vibration feeder; 4, qualified storage box; 5, unqualified storage box; 6, L-shaped storage plate; 7, electric telescopic rod one; 8, storage cavity; 9, fixed plate; 10, detection cavity; 11, optical flat glass; 12, servo motor; 13, driving gear; 14, driven gear; 15, rotating cylinder; 16, industrial vision camera; 17, baffle plate; 18, electric telescopic rod two; 19, pushing plate; 20, support plate. DETAILED DESCRIPTION
[0020] The technical scheme of the utility model will be further described in detail in combination with specific implementation manners.
[0021] Reference Figs. 1-3As shown, a seed coating uniformity detector, including a detector body 1 provided with a detection cavity 10, the detection cavity 10 is provided with a vibration feeder 3, the vibration feeder 3 is used for conveying the seed to be detected into the detection cavity 10, and the vibration frequency is adjusted to control the seed falling interval, avoiding multiple seeds entering the detection area at the same time, the inside of the detection cavity 10 is provided with an optical flat glass 11 for bearing the seed to be detected, and the optical flat glass 11 and the detection cavity 10 are provided with a support plate 20, the inside of the detection cavity 10 is fixedly connected with a fixed plate 9, and the middle of the fixed plate 9 is rotatably connected with a rotating cylinder 15, the optical flat glass 11 passes through the rotating cylinder 15, and the inside of the rotating cylinder 15 is provided with an industrial vision camera 16 for multi-angle imaging collection of the seed surface, and the outer wall of the rotating cylinder 15 is provided with a rotating mechanism, the vibration feeder 3 can convey the seed to be detected into the detection cavity 10 of the detector body 1, and the distance between the seeds to be detected is adjusted by controlling the vibration frequency of the vibration feeder 3, and the seeds sent into the detection cavity 10 by the vibration feeder 3 will fall onto the optical flat glass 11, at this time, the rotating mechanism is started, so that the rotating cylinder 15 with the industrial vision camera 16 moves around the seed on the optical flat glass 11 in a circumferential direction, and the image information of each side of the seed is collected in turn, the detector body 1 receives multiple seed surface images continuously photographed by the industrial vision camera 16 in the rotating detection process, and the acquired image data is centrally processed and analyzed, and the color consistency, coverage integrity and thickness distribution characteristics of the seed in each direction are compared comprehensively, so as to accurately judge whether the seed coating is uniform, and the above detection process can be automatically executed in circulation as the seed enters the detection cavity 10 in turn, realizing rapid and continuous detection of the seed coating uniformity, and significantly improving the overall detection efficiency and detection consistency.
[0022] As a further scheme in the utility model, the rotating mechanism includes a servo motor 12 installed in the detection cavity 10, and the shaft end of the output shaft of the servo motor 12 is fixedly connected with a drive gear 13.
[0023] As a further scheme in the utility model, the drive gear 13 is engaged with a driven gear 14 on one side, and the driven gear 14 is fixedly connected to the outer wall of the rotating cylinder 15, and the servo motor 12 drives the drive gear 13 at the output shaft end to rotate, and because the drive gear 13 is engaged with the driven gear 14 on the outer wall of the rotating cylinder 15, the rotating cylinder 15 with the industrial vision camera 16 can rotate around the seed on the optical flat glass 11.
[0024] Working principle: the vibration feeder 3 can deliver the seeds to be detected into the detection cavity 10 of the detector body 1 one by one, and the distance between the seeds is adjusted by controlling the vibration frequency of the vibration feeder 3, and the seeds sent into the detection cavity 10 by the vibration feeder 3 will fall onto the optical flat glass 11, at this time, the servo motor 12 drives the driving gear 13 at the output shaft end to rotate, and because the driving gear 13 is engaged with the driven gear 14 on the outer wall of the rotating cylinder 15, the rotating cylinder 15 drives the industrial vision camera 16 to move around the seeds on the optical flat glass 11, and the image information of each side of the seeds is collected in sequence, the detector body 1 receives the multiple seed surface images continuously shot by the industrial vision camera 16 during the rotation detection, and the acquired image data is processed and analyzed, and the color consistency, coverage integrity and thickness distribution characteristics of the coating layer in each direction of the seed are compared, so that whether the seed coating is uniform is accurately judged, and the above detection process can be automatically executed in circulation as the seeds enter the detection cavity 10 in sequence, realizing rapid and continuous detection of the uniformity of the seed coating, and significantly improving the overall detection efficiency and detection consistency.
[0025] Referring to Fig. 2 , Fig. 3 As a further scheme in the utility model, the optical flat glass 11 is slidably connected with a pushing plate 19 at the top outer wall, and two baffles 17 are symmetrically fixedly connected to the outer wall of the pushing plate 19.
[0026] As a further scheme in the utility model, an electric telescopic rod two 18 is installed at one side of the detection cavity 10, and the telescopic end of the electric telescopic rod two 18 is fixedly connected to the outer wall of the pushing plate 19, when the seeds fall from the vibration feeder 3 to the optical flat glass 11, if the position of the seeds is not at the middle position of the optical flat glass 11, the electric telescopic rod two 18 moves the pushing plate 19, so that the seeds are pushed to the middle position of the optical flat glass 11, ensuring the stability of the imaging position and improving the detection accuracy.
[0027] When the detection is completed, the electric telescopic rod two 18 moves the pushing plate 19 to push the seeds off the optical flat glass 11, and the two baffles 17 symmetrically fixedly connected to the outer wall of the pushing plate 19 play a limiting and guiding role in the pushing process, preventing the seeds from being laterally deviated or accidentally falling.
[0028] As a further scheme in the utility model, a storage cavity 8 is arranged at one side of the detection cavity 10, a cabinet door 2 is arranged at the outer wall of the storage cavity 8, and a qualified storage box 4 is placed at the bottom inner wall of the storage cavity 8, if the seeds are qualified in uniformity, the pushed seeds will directly fall into the qualified storage box 4.
[0029] As a further scheme of the utility model, two electric telescopic rods one 7 are installed above the storage cavity 8, and the telescopic ends of the two electric telescopic rods one 7 are fixedly connected with L-shaped storage plates 6, and the unqualified storage boxes 5 are placed on the L-shaped storage plates 6, if the seed uniformity is unqualified, at this time, the electric telescopic rods one 7 are started, and the unqualified storage boxes 5 on the L-shaped storage plates 6 are moved below the optical flat glass 11, so that the unqualified seeds on the optical flat glass 11 will fall into the unqualified storage boxes 5.
[0030] Working principle: when the seeds fall from the vibration feeder 3 to the optical flat glass 11, if the seed position is not at the middle position of the optical flat glass 11, the electric telescopic rod two 18 moves the pushing plate 19, so that the seeds are pushed to the middle position of the optical flat glass 11, the imaging position is stable, and the detection accuracy is improved;
[0031] When the detection is completed, the electric telescopic rod two 18 moves the pushing plate 19, and the seeds are pushed down from the optical flat glass 11, and the two baffles 17 fixedly connected on the outer wall of the pushing plate 19 play a limiting guide role in the pushing process, preventing the seeds from being laterally deviated or accidentally falling;
[0032] If the seed uniformity is qualified, the pushed seeds will directly fall into the qualified storage box 4;
[0033] If the seed uniformity is unqualified, at this time, the electric telescopic rods one 7 are started, and the unqualified storage boxes 5 on the L-shaped storage plates 6 are moved below the optical flat glass 11, so that the unqualified seeds on the optical flat glass 11 will fall into the unqualified storage boxes 5.
[0034] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A seed coating uniformity tester, comprising a tester body (1) having a test chamber (10), wherein a vibrating feeder (3) is provided on one side of the tester body (1), characterized in that, The detection cavity (10) is provided with an optical flat glass (11), and a support plate (20) is provided between the optical flat glass (11) and the detection cavity (10). A fixing plate (9) is fixedly connected inside the detection cavity (10), and a rotating cylinder (15) is rotatably connected in the middle of the fixing plate (9). The optical flat glass (11) passes through the rotating cylinder (15), and an industrial vision camera (16) is provided inside the rotating cylinder (15). A rotating mechanism is provided on the outer wall of the rotating cylinder (15).
2. The seed coating uniformity detector according to claim 1, characterized in that, The rotating mechanism includes a servo motor (12) installed in the detection chamber (10), and a drive gear (13) is fixedly connected to the shaft end of the output shaft of the servo motor (12).
3. The seed coating uniformity detector according to claim 2, characterized in that, The drive gear (13) is meshed with a driven gear (14) on one side, and the driven gear (14) is fixedly connected to the outer wall of the rotating cylinder (15).
4. The seed coating uniformity detector according to claim 1, characterized in that, The top outer wall of the optical flat glass (11) is slidably connected to a pusher plate (19), and two baffles (17) are symmetrically fixedly connected to the outer wall of the pusher plate (19).
5. A seed coating uniformity detector according to claim 4, characterized in that, An electric telescopic rod 2 (18) is installed on one side of the outer wall of the detection cavity (10), and the telescopic end of the electric telescopic rod 2 (18) is fixedly connected to the outer wall of the pusher plate (19).
6. The seed coating uniformity detector according to claim 5, characterized in that, A storage chamber (8) is provided on one side of the detection chamber (10), and a cabinet door (2) is provided on the outer wall of the storage chamber (8), and a qualified storage box (4) is placed on the inner wall of the bottom of the storage chamber (8).
7. A seed coating uniformity detector according to claim 6, characterized in that, Two electric telescopic rods (7) are installed above the storage chamber (8), and the telescopic ends of the two electric telescopic rods (7) are fixedly connected to an L-shaped shelf (6). An unqualified storage box (5) is placed on the L-shaped shelf (6).