CN112710664B - Soybean grain non-adhesion image acquisition method and system based on special-shaped pipe array - Google Patents
Soybean grain non-adhesion image acquisition method and system based on special-shaped pipe array Download PDFInfo
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Abstract
The invention particularly relates to a soybean grain non-adhesion image acquisition method and system based on a special-shaped pipe array, comprising a conveyor belt device and a computer, wherein the middle part of the front side surface of the conveyor belt device is provided with a controller, the right side of the conveyor belt device is provided with a feeding mechanism, and the left side of the conveyor belt device is provided with a camera device; uniformly distributing soybeans on a conveyor belt device through a feeding mechanism, shooting the soybeans through a camera device, and transmitting the shot images to a computer; the invention can acquire the form images of uniformly distributed high-precision soybean non-adhesion particles in real time, conveniently observe the appearance form and the characteristics of each soybean, accurately describe the appearance form characteristics thereof, and conveniently extract and detect the form characteristics of the soybean particles in the future for analysis.
Description
Technical Field
The invention belongs to the field of soybean appearance quality detection, and particularly relates to a soybean grain non-adhesion image acquisition method and system based on a special-shaped pipe array.
Background
The quality of the grain appearance is an important factor in determining price and use. However, the traditional foreign method relies on subjective judgment of the actual appearance of soybean by human eyes. Depending on the food quality standard of departments, or the conveyor belt is used but a camera is not used, although the detection rate can be accelerated, the detection rate can not be increased if the camera is not used, and the limit of judging grains by using human eyes is not overcome. In the americas, grain seeds are directly arranged by hands, then are directly observed by eyes, and finally, no detection standard of grain quality exists, so that the efficiency is lower, and the method for judging by human eyes has low requirements on objective accuracy, is time-consuming and labor-consuming and has low efficiency.
China is a large agricultural country worldwide, and people need to import and export a large amount of soybeans every year. The size, roughness and roundness of soybeans are physical indexes for assessing the quality of soybean quality, and in practice, the change in color and luster and the deformation of appearance of soybeans are mostly attributable to insect pests and natural disasters. The quality of soybeans is an important factor in determining its price and use. Subjective evaluation is firstly carried out on grains, and then industry standards are compared. Although the method is simple, the time is long, objectivity is lacked, the precision is low, and the time and the force are wasted.
In order to improve the efficiency and effectiveness of soybean surface quality assessment, a soybean image acquisition device is needed to replace eyes of people to acquire soybean real images, and the artificial limit is broken through. So that the soybean can be well paved for the subsequent more effective use of the image processing and analysis method.
Aiming at the technical problems, the invention firstly provides a soybean grain non-adhesion image acquisition method and a soybean grain non-adhesion image acquisition system based on a special-shaped pipe array, which have important basic research and technical exploration for the application of soybeans in the technical field of automatic grain quality detection, and the image acquisition device is used for replacing human eyes to acquire the real image of the soybeans, so that the soybean grain non-adhesion image acquisition method and the soybean grain non-adhesion image acquisition system are comfortable, quick and labor-saving; improving the efficiency and effectiveness of soybean surface quality evaluation.
Disclosure of Invention
The invention aims to provide a soybean grain non-adhesion image acquisition method and system based on a special-shaped pipe array, soybeans are uniformly distributed on a conveyor belt, and high-precision soybean non-adhesion particle morphology images which are uniformly distributed are acquired in real time through an imaging device, so that the appearance morphology and characteristics of each grain can be conveniently observed, and the soybean grain morphology characteristics can be conveniently extracted and detected for analysis in the future.
The invention provides a soybean grain non-adhesion image acquisition system based on a special-shaped pipe array, which comprises a conveyor belt device and a computer, wherein a controller is arranged in the middle of the front side surface of the conveyor belt device, a feeding mechanism is arranged on the right side of the conveyor belt device, a camera device is arranged on the left side of the conveyor belt device, and a storage box is arranged below the left end of the conveyor belt device.
Further, the feeding mechanism comprises a metal probe, a special pipe, a funnel, racks, gears, a rotating rod, a motor, a left supporting plate, a right supporting plate, a transverse plate and a vertical plate, wherein the transverse plate is arranged in the middle between the left supporting plate and the right supporting plate, the vertical plate is arranged at the upper part between the left supporting plate and the right supporting plate, the motor is fixed on the outer side surface of the left supporting plate, the output end of the motor is fixedly connected with the rotating rod, the rotating rod rotatably penetrates through the left supporting plate and the right supporting plate, a plurality of gears are uniformly sleeved on the rotating rod, a plurality of guide grooves are formed in the vertical plate, racks are arranged in the guide grooves in a vertically sliding manner, the lower end of each rack is fixedly connected with the metal probe, a plurality of funnels are uniformly distributed on the transverse plate, and the lower end of each funnel is fixedly connected with the special pipe; the sizes of the soybean grains are slightly different according to different varieties of soybeans, and the inner diameter of the special-shaped tube is larger than that of a single soybean and smaller than that of two soybeans according to the average diameter of the soybeans to be detected.
Further, the special pipe is an S-shaped pipe, and the uppermost end of the special pipe is horizontal to the upper end of the funnel.
Further, the racks are meshed with the gears.
Further, a first bearing is arranged between the rotating rod and the left supporting plate, and a second bearing is arranged between the rotating rod and the right supporting plate.
Further, the camera device comprises a camera support and a camera, wherein the camera support is fixed on the left side of the conveyor belt device, the camera is fixed on the upper end of the camera support, and the camera can shoot the upper surface of the conveyor belt.
The invention also provides a soybean grain non-adhesion image acquisition method based on the special-shaped pipe array, which comprises the following steps:
S1, placing soybeans in a funnel, wherein a part of soybeans enter a special-shaped pipe, and controlling a conveyor belt to rotate through a controller;
S2: the controller controls the motor to drive the gear to rotate at a constant speed, the gear drives the rack to move downwards, the rack drives the probe rod to move downwards towards the inside of the special-shaped pipe, and soybeans in the special-shaped pipe are extruded at the same time to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe;
s3: the soybeans discharged from the special-shaped pipe fall onto the conveyor belt device, the upper surface of the conveyor belt is a black rough surface, so that the soybeans are prevented from freely rolling on the conveyor belt, and the conveyor belt on the conveyor belt device always rotates, so that the distances among the soybeans which sequentially fall onto the conveyor belt are approximately the same, and a uniformly distributed soybean array is formed on the conveyor belt;
S4: when the conveyor belt drives the soybeans to move below the camera device, the soybeans are shot by the camera; the shot soybeans fall into a storage box under the drive of a conveyor belt;
S5: the camera is connected with the computer, and is used for transmitting and storing soybean particle images to the computer, so that the appearance form and the characteristics of each particle can be conveniently observed by later-stage staff, and the soybean particle form characteristics can be conveniently extracted and detected for analysis in the future.
The step S2 includes:
S21: the motor is controlled by the controller to drive the gear to rotate at a constant speed, and the motor drives the rotating rod to rotate at a constant speed, so that the descending depth of the probe rod can be accurately controlled by setting the rotation number of the motor through the controller due to the fact that the lengths of the probe rod and the rack are known;
s22: the rack is driven by the gear on the rotating rod to move downwards, the probe rod is driven by the rack to move downwards towards the inside of the special-shaped pipe, and soybeans in the special-shaped pipe are extruded to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe;
S23: when the probe rod moves down to a set height, the controller controls the motor to overturn to drive the probe rod to move upwards for resetting, and at the moment, the probe rod moves out of the special pipe, and soybeans in the funnel enter the special pipe; the soybean can be uniformly scattered onto the conveyor belt device again by repeating the steps.
According to the soybean grain non-adhesion image acquisition method and system based on the special-shaped pipe array, the motor and the conveyor belt are controlled by the controller to operate, soybeans are placed in the hopper, a part of soybeans enter the special-shaped pipe, and the conveyor belt is controlled by the controller to rotate; the motor is controlled by the controller to drive the gear to rotate at a constant speed, and the motor drives the rotating rod to rotate at a constant speed. The rack is driven by the gear on the rotating rod to move downwards, the probe rod is driven by the rack to move downwards towards the inside of the special-shaped pipe, and soybeans in the special-shaped pipe are extruded to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe; when the probe rod moves down to a set height, the controller controls the motor to overturn to drive the probe rod to move upwards for resetting, and at the moment, the probe rod moves out of the special pipe, and soybeans in the funnel enter the special pipe; the soybean can be uniformly scattered onto the conveyor belt device again by repeating the steps.
The soybeans discharged from the special-shaped pipe fall onto the conveyor belt device, the upper surface of the conveyor belt is a black rough surface, so that the soybeans are prevented from freely rolling on the conveyor belt, and the conveyor belt on the conveyor belt device always rotates, so that the distances among the soybeans which sequentially fall onto the conveyor belt are approximately the same, and a uniformly distributed soybean array is formed on the conveyor belt; when the conveyor belt drives the soybeans to move below the camera device, the soybeans are shot by the camera; the shot soybeans fall into a storage box under the drive of a conveyor belt; the camera is connected with the computer, and is used for transmitting and storing soybean particle images to the computer, so that the appearance form and the characteristics of each particle can be conveniently observed by later-stage staff, and the soybean particle form characteristics can be conveniently extracted and detected for analysis in the future.
As a world-wide country, we import and export many soybeans. The size, roughness and roundness of soybeans are physical indicators that measure the quality of soybeans. The device replaces human eyes to acquire the real image of the soybean, so that the soybean imaging device is comfortable, quick and labor-saving; the efficiency and the effectiveness of soybean surface quality evaluation can be improved.
Drawings
Fig. 1 is a perspective view of a soybean grain non-adhesion image acquisition system based on a special-shaped pipe array.
Fig. 2 is a schematic structural diagram of a feeding mechanism of a soybean grain non-adhesion image acquisition system based on a special-shaped pipe array.
Fig. 3 is a schematic diagram of a local structure of a feeding mechanism in a soybean grain non-adhesion image acquisition system based on a special-shaped pipe array.
Fig. 4 is a partial cross-sectional view of a feed mechanism in a soybean grain non-stick image acquisition system based on a special-shaped tube array of the present invention.
Reference numerals illustrate:
1. Computer, 2, storage box, 3, conveyor belt device, 4, controller, 5, feeding mechanism, 501, right support plate, 502, left support plate, 503, motor, 504, special pipe, 505, hopper, 506, cross plate, 507, metal probe, 508, gear, 509, rotating rod, 510, bearing two, 511, vertical plate, 512, rack, 513, bearing one, 6, camera device.
Detailed Description
In the embodiment 1, as shown in fig. 1,2,3 and 4, the soybean grain non-adhesion image acquisition system based on the special-shaped tube array comprises a conveyor belt device 3 and a computer 1, wherein the conveyor belt device 3 is in the prior art, and only the control of the conveying speed is required to be realized, and the description is omitted; the middle part of the front side surface of the conveyor belt device 3 is provided with a controller 4, the controller 4 can control the motor 503 and the conveyor belt to run, the controller 4 is preferably a Mitsubishi FX2N-64MT-001 controller 4, the right side of the conveyor belt device 3 is provided with a feeding mechanism 5, the left side of the conveyor belt device 3 is provided with a camera device 6, the camera device 6 comprises a camera bracket and a camera, the camera bracket is fixed on the left side of the conveyor belt device 3, the camera is fixed at the upper end of the camera bracket, and the camera can shoot the upper surface of the conveyor belt; a storage box 2 is arranged below the left end of the conveyor belt device 3.
The feeding mechanism 5 comprises a metal probe 507, a special pipe 504, a funnel 505, a rack 512, a gear 508, a rotating rod 509, a motor 503, a left support plate 502, a right support plate 501, a transverse plate 506 and a vertical plate 511, wherein the motor 503 is preferably a Serrati 42HS08 stepping motor 503, the stepping motor 503 can realize accurate rotation, the middle part between the left support plate 502 and the right support plate 501 is provided with the transverse plate 506, the upper part between the left support plate 502 and the right support plate 501 is provided with the vertical plate 511, the motor 503 is fixed on the outer side surface of the left support plate 502, the output end of the motor 503 is fixedly connected with the rotating rod 509, the rotating rod 509 rotatably penetrates through the left support plate 502 and the right support plate 501, a plurality of gears 508 are uniformly sleeved on the rotating rod 509, a plurality of guide grooves are formed in the vertical plate 511, the rack 512 is arranged in the guide grooves in a sliding way, and the racks 512 and the gears 508 are meshed with each other; the lower end of the rack 512 is fixedly connected with a metal probe 507, a plurality of funnels 505 are uniformly distributed on the transverse plate 506, the lower end of the funnels 505 is fixedly connected with a special pipe, the special pipe 504 is an S-shaped pipe, and the uppermost end of the special pipe 504 is horizontal with the upper end of the funnels 505; a first bearing 513 is arranged between the rotary rod 509 and the left support plate 502, and a second bearing 510 is arranged between the rotary rod 509 and the right support plate 501.
According to the soybean grain non-adhesion image acquisition method and system based on the special-shaped pipe array, the motor 503 and the conveyor belt are controlled by the controller 4 to operate, soybeans are placed in the hopper 505, a part of soybeans enter the special-shaped pipe, and the conveyor belt is controlled by the controller 4 to rotate; the motor 503 is controlled by the controller 4 to drive the gear 508 to rotate at a constant speed, the motor 503 drives the rotary rod 509 to rotate at a constant speed, and the rotation number of turns of the motor 503 is set by the controller 4 due to the fact that the lengths of the probe rod and the rack 512 are known, so that the descending depth of the probe rod can be accurately controlled. The gear 508 on the rotating rod 509 drives the rack 512 to move downwards, the rack 512 drives the probe rod to move downwards into the special-shaped pipe 504, and simultaneously soybeans in the special-shaped pipe are extruded to be sequentially discharged out of the special-shaped pipe 504 from the highest end of the special-shaped pipe; when the probe rod moves down to a set height, the controller 4 controls the motor 503 to turn over to drive the probe rod to move upwards for resetting, at the moment, the probe rod moves out of the special pipe, and soybeans in the funnel 505 enter the special pipe 504; the above steps are repeated to uniformly scatter the soybeans onto the conveyor belt device 3 again.
Soybeans discharged from the special-shaped pipe 504 fall onto the conveyor belt device 3, the upper surface of the conveyor belt is a black rough surface, the soybeans are prevented from freely rolling on the conveyor belt, and as the conveyor belt on the conveyor belt device 3 always rotates, the distances among the soybeans which sequentially fall onto the conveyor belt are approximately the same, and a uniformly distributed soybean array is formed on the conveyor belt; when the conveyor belt drives the soybeans to move below the camera device 6, the soybeans are shot by the camera; the shot soybeans fall into the storage box 2 under the drive of the conveyor belt; the camera is connected with the computer 1, and the soybean grain image transmission is stored to the computer 1, so that the appearance form and the characteristic of each grain can be conveniently observed by later staff, and the soybean grain form characteristic can be conveniently extracted and detected for analysis in the future.
Embodiment 2 of the present invention further provides a method for obtaining a non-adhesion image of soybean particles based on a special-shaped tube array, which is characterized by comprising:
S1, placing soybeans in a funnel, wherein a part of soybeans enter a special-shaped pipe, and controlling a conveyor belt to rotate through a controller;
S2: the controller controls the motor to drive the gear to rotate at a constant speed, the gear drives the rack to move downwards, the rack drives the probe rod to move downwards towards the inside of the special-shaped pipe, and soybeans in the special-shaped pipe are extruded at the same time to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe;
S21: the motor is controlled by the controller to drive the gear to rotate at a constant speed, and the motor drives the rotating rod to rotate at a constant speed, so that the descending depth of the probe rod can be accurately controlled by setting the rotation number of the motor through the controller due to the fact that the lengths of the probe rod and the rack are known;
s22: the rack is driven by the gear on the rotating rod to move downwards, the probe rod is driven by the rack to move downwards towards the inside of the special-shaped pipe, and soybeans in the special-shaped pipe are extruded to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe;
S23: when the probe rod moves down to a set height, the controller controls the motor to overturn to drive the probe rod to move upwards for resetting, and at the moment, the probe rod moves out of the special pipe, and soybeans in the funnel enter the special pipe; the soybean can be uniformly scattered onto the conveyor belt device again by repeating the steps.
S3: the soybeans discharged from the special-shaped pipe fall onto the conveyor belt device, the upper surface of the conveyor belt is a black rough surface, so that the soybeans are prevented from freely rolling on the conveyor belt, and the conveyor belt on the conveyor belt device always rotates, so that the distances among the soybeans which sequentially fall onto the conveyor belt are approximately the same, and a uniformly distributed soybean array is formed on the conveyor belt;
S4: when the conveyor belt drives the soybeans to move below the camera device, the soybeans are shot by the camera; the shot soybeans fall into a storage box under the drive of a conveyor belt;
S5: the camera is connected with the computer, and is used for transmitting and storing soybean particle images to the computer, so that the appearance form and the characteristics of each particle can be conveniently observed by later-stage staff, and the soybean particle form characteristics can be conveniently extracted and detected for analysis in the future.
The above description is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The soybean grain non-adhesion image acquisition method based on the special-shaped pipe array is characterized by comprising the following steps of: the soybean grain non-adhesion image acquisition method based on the special-shaped pipe array is mainly realized by the following devices, and comprises a conveyor belt device and a computer, wherein a controller is arranged in the middle of the front side surface of the conveyor belt device, a feeding mechanism is arranged on the right side of the conveyor belt device, a camera device is arranged on the left side of the conveyor belt device, and a storage box is arranged below the left end of the conveyor belt device;
The feeding mechanism comprises a metal probe, a special pipe, a funnel, racks, gears, a rotating rod, a motor, a left supporting plate, a right supporting plate, a transverse plate and a vertical plate, wherein the transverse plate is arranged in the middle between the left supporting plate and the right supporting plate, the vertical plate is arranged at the upper part between the left supporting plate and the right supporting plate, the motor is fixed on the outer side surface of the left supporting plate, the output end of the motor is fixedly connected with the rotating rod, the rotating rod rotatably penetrates through the left supporting plate and the right supporting plate, a plurality of gears are uniformly sleeved on the rotating rod, a plurality of guide grooves are formed in the vertical plate, racks are arranged in the guide grooves and can slide up and down, the lower end of each rack is fixedly connected with the metal probe, a plurality of funnels are uniformly distributed on the transverse plate, and the lower end of each funnel is fixedly connected with the special pipe;
The camera device comprises a camera bracket and a camera, wherein the camera bracket is fixed on the left side of the conveyor belt device, and the camera is fixed at the upper end of the camera bracket;
the wheat non-blocking image based on the viscous lattice is obtained by the following method based on the device:
S1, placing soybeans in a funnel, wherein a part of soybeans enter a special-shaped pipe, and controlling a conveyor belt to rotate through a controller;
s2: the motor is controlled by the controller to drive the gear to rotate at a constant speed, the gear drives the rack to move downwards, the rack drives the probe rod to move downwards into the special-shaped tube, and soybeans in the special-shaped tube are extruded simultaneously to be sequentially discharged out of the special-shaped tube from the highest end of the special-shaped tube;
s3: soybeans discharged from the special-shaped pipe fall onto the conveyor belt device, and as the conveyor belt on the conveyor belt device rotates all the time, the distances among the soybeans which fall on the conveyor belt in turn are approximately the same, and a uniformly distributed soybean array is formed on the conveyor belt;
S4: when the conveyor belt drives the soybeans to move below the camera device, the soybeans are shot by the camera; the shot soybeans fall into a storage box under the drive of a conveyor belt;
S5: the camera is connected with the computer, and the soybean grain image is transmitted and stored to the computer, so that the appearance form and the characteristic of each grain can be conveniently observed by later staff, and the soybean form and the characteristic can be conveniently extracted and detected for analysis in the future.
2. The method for obtaining the soybean grain non-adhesion image based on the special-shaped pipe array according to claim 1, wherein the method comprises the following steps: the special pipe is an S-shaped pipe, and the uppermost end of the special pipe is horizontal to the upper end of the funnel.
3. The method for obtaining the soybean grain non-adhesion image based on the special-shaped pipe array according to claim 1, wherein the method comprises the following steps: the rack and the gear are meshed with each other.
4. The method for obtaining the soybean grain non-adhesion image based on the special-shaped pipe array according to claim 1, wherein the method comprises the following steps: the bearing I is arranged between the rotating rod and the left supporting plate, and the bearing II is arranged between the rotating rod and the right supporting plate.
5. The method for obtaining a non-adhering image of soybean particles based on a special-shaped tube array according to claim 1, wherein the step S2 comprises:
S21: the motor is controlled by the controller to drive the gear to rotate at a constant speed, and the motor drives the rotating rod to rotate at a constant speed, so that the descending depth of the probe rod can be accurately controlled by setting the rotation number of the motor through the controller due to the fact that the lengths of the probe rod and the rack are known;
s22: the rack is driven by the gear on the rotating rod to move downwards, the probe rod is driven by the rack to move downwards in the special-shaped pipe, and soybeans in the special-shaped pipe are extruded to be sequentially discharged out of the special-shaped pipe from the highest end of the special-shaped pipe;
S23: when the probe rod moves down to a set height, the controller controls the motor to overturn to drive the probe rod to move upwards for resetting, and at the moment, the probe rod moves out of the special pipe, and soybeans in the funnel enter the special pipe; the soybean can be uniformly scattered onto the conveyor belt device again by repeating the steps.
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