CN209821089U

CN209821089U - Potato automated inspection conveyor system

Info

Publication number: CN209821089U
Application number: CN201920406490.3U
Authority: CN
Inventors: 刘琪芳; 邓雪峰
Original assignee: Shanxi Agricultural University
Current assignee: Shanxi Agricultural University
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-20
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a potato automated inspection conveyor system, this system is including detecting transport table, first array plate electrode, second array plate electrode, first camera, second camera, rotation axis and cross link. First array plate electrode, second array plate electrode and first camera, the equal symmetrical arrangement of second camera, rotate through rotation axis control cross link, and then control array plate electrode and camera to the position of being detected the potato, and whole control process angle is complete, and control process is steady. Through the drive of drive support base, detect the transport table and can rotate around the round pin axle, derive the potato that will be surveyed, realize the transportation transmission of the potato that will be surveyed. The parallel plate electrodes carry out voltage/current excitation in different modes, the potential distribution of the measured object between the parallel plates is solved by using a finite element mesh division method, and the object medium distribution of the measured object is inverted by using the potential distribution; the detection precision is good, and the automation degree is high.

Description

Potato automated inspection conveyor system

Technical Field

The utility model relates to a system architecture that is used for the potato to carry out inside, outside nondestructive test and automatic transportation especially relates to a system that utilizes rotation axis control camera and array plate electrode to detect the potato, belongs to agricultural machine automated inspection application technical field.

Background

The potato is a daily agricultural crop, and the deep processing of the potato is facilitated by carrying out the defect detection and the rapid grading of the potato, so that the value increase of products is promoted.

201610823472.6 discloses a panoramic vision potato sorting and defect detecting device, which comprises a conveying device, a detection camera bellows, a sorting mechanism, an infrared sensor module, an image acquisition mechanism, an image processing and analyzing module with a built-in convolutional neural network and a Support Vector Machine (SVM), a data fusion module with a built-in Support Vector Machine (SVM), and a time sequence module for coordinating the actions of all parts; the technical scheme also discloses a potato sorting and detecting method using the device. According to the panoramic vision potato sorting and defect detecting device and the sorting and detecting method thereof, the omni-directional detection can be completed without turning the potatoes in the detection process, the instability in dynamic photographing detection is avoided, the image definition is improved, and the detection accuracy is improved. Can be widely used for real-time online detection of the external quality of potato agricultural products.

201310280939.3 discloses a method for detecting defects of potato, which utilizes thermal imaging technology to rapidly identify damaged, rotten and germinated peeled potato; the thermal image processing process of the counting machine comprises the following steps: and carrying out median filtering or mean filtering denoising on the thermal image, extracting an area of the potato thermal image by adopting a threshold segmentation method, calculating an average temperature value of pixels in the area, then calculating a difference value between the temperature value of each pixel point in the area and the average temperature value, calculating the area S of a real object corresponding to the pixel point with the absolute value of the difference value being more than 1 ℃, and determining the potato with the defect if the S is more than 25mm 2.

201721082096.6 discloses an automatic grading output device for potatoes, which comprises a support assembly, a grading gate plate, and a conveyor belt; the conveying belt is flatly laid between two flat belt wheels at the upper end of the bracket assembly; the upper end of the conveying belt is provided with an inverted U-shaped supporting plate; the upper end of the supporting plate is longitudinally provided with a plurality of pneumatic cylinders, and the pneumatic cylinders are fixedly connected with the grading gate plate through guide rods; the grading gate plate and the conveying direction of the conveying belt form an included angle of 45 degrees; the grading gate falls at corresponding time under the control of the pneumatic cylinder, so that the motion trail of the potatoes passing through the grading gate is changed, and the potatoes are moved into the corresponding grading grooves.

201721081355.3 discloses a rapid nondestructive testing and automatic grading device for potatoes, which comprises a climbing roller shaft conveying device, a transverse conveyor belt and a grading output device; the climbing roll shaft conveying device, the soil removing conveying device, the transverse conveying belt, the longitudinal conveying belt and the grading output device are sequentially connected, and light selection equipment is arranged between the longitudinal conveying belt and the grading output device. A computer vision hardware system for nondestructive testing of the external quality of the potatoes is constructed by utilizing a four-eye stereoscopic vision technology and from three indexes of weight, potato shape and external defects; after the potatoes are cleaned on the outer surface, the external characteristics of the potatoes are restored through a four-mesh stereoscopic vision technology, the defective and malformed potatoes are screened out, then different potatoes are respectively conveyed into corresponding grading boxes according to the quality of the potatoes, and the potatoes are rapidly, objectively and nondestructively detected and graded in real time.

Most of the existing potato detection is carried out based on tests, a machine vision technology is an important agricultural product nondestructive testing technology, most of the technical researches developed at home and abroad are applied to the aspects of test analysis and theoretical calculation, and the streamlined operations such as transportation, detection and the like need to be comprehensively considered in the actual potato detection process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to design a potato automated inspection conveyor system, realize through the device that the potato can't harm transportation, detect, promote the quality control quality of potato.

In order to achieve the above object, the utility model discloses a technical scheme be a potato automated inspection conveyor system, and this system is including detecting transport table 1, first array plate electrode 2, second array plate electrode 3, first camera 4, second camera 5, rotation axis 7 and cross link 6.

The detection transport table 1 is of a turnover structure, a pin shaft 9 is arranged at one end of the detection transport table 1, and a driving support base 8 is arranged at the other end of the detection transport table 1; through the drive of drive support base 8, detect the transport table 1 and can rotate around round pin axle 9. The potatoes 11 to be tested are placed on the inspection conveyer 1.

The rotating shaft 7 is arranged in the middle of the cross connecting frame 6, and the cross connecting frame 6 is respectively connected with the first array electrode plate 2, the second array electrode plate 3, the first camera 4 and the second camera 5; the first array electrode plate 2 and the second array electrode plate 3 are symmetrically arranged, and the first camera 4 and the second camera 5 are symmetrically arranged. A plurality of electrodes 10 are uniformly distributed on the first array electrode plate 2 and the second array electrode plate 3, and the electrodes 10 are arranged on the first array electrode plate 2 and the second array electrode plate 3 in an array.

The first array electrode plate 2 and the second array electrode plate 3 are made of insulating materials such as plastics and wood, and the electrodes 10 are made of conductive materials such as copper and steel.

The rotation angle that detects transport table 1 can be around round pin axle 9 is less than or equal to 3.

The first camera and the second camera adopt wide-angle cameras.

Compared with the prior art, the utility model discloses following technological effect has.

1. First array plate electrode, second array plate electrode and first camera, the equal symmetrical arrangement of second camera, rotate through rotation axis control cross link, and then control first array plate electrode, second array plate electrode and first camera, second camera to the position of being detected the potato, and whole control process angle is complete, and control process is steady.

2. Through the drive of drive support base, detect the transport table and can rotate around the round pin axle, derive the potato that will be surveyed, realize the transportation transmission of the potato that will be surveyed.

3. The parallel plate electrodes carry out voltage/current excitation in different modes, the potential distribution of the measured object between the parallel plates is solved by using a finite element mesh division method, and the object medium distribution of the measured object is inverted by using the potential distribution; the detection precision is good, and the automation degree is high.

Drawings

Fig. 1 is a plan view of the present invention.

Fig. 2 is a front view of the camera of the present invention.

Fig. 3 is a front view of the array electrode plate of the present invention.

Fig. 4 is a schematic diagram of an array arrangement of electrodes.

Detailed Description

As shown in fig. 1-4, an automatic potato inspection and transportation system comprises an inspection and transportation table 1, a first array of electrode plates 2, a second array of electrode plates 3, a first camera 4, a second camera 5, a rotating shaft 7 and a cross connecting frame 6.

The first camera and the second camera adopt wide-angle cameras.

Firstly, a detected potato 11 is placed on a detection transport table 1, a first camera 4 and a second camera 5 on a cross connecting frame 6 shoot the detected potato 11 and record picture information of the detected potato 11, and a first array electrode plate 2 and a second array electrode plate 3 record electric signals of internal information of the detected potato 11.

And starting the rotating shaft 7, rotating the cross connecting frame 6 by 180 degrees, and carrying out secondary recording on the detected potatoes 11 by the first camera 4, the second camera 5, the first array electrode plate 2 and the second array electrode plate 3.

After all information is recorded, the detection transport table 1 is driven to deviate from the detection transport table 1 through the supporting base 8, so that the detected potatoes 11 are led out of the detection table, and then the next detected potato is recorded continuously.

The specific technical principle of the device is as follows:

the first camera 4 and the second camera 5 of the device are used for detecting the external defects of the potatoes. The device uses the camera to gather the external defect data (image) of the measured object, and the array electrodes of the first array electrode plate 2 and the second array electrode plate 3 acquire the internal data (electric signal) of the measured object. The measured object can be placed on the rotary table, the rotary table is controlled to rotate, the internal defect and external defect information is measured, and the data acquisition task is completed.

The principle of the potato internal defect detection device is as follows: the electrodes 10 of the parallel plates are excited by voltage/current in different modes, the potential distribution of the measured object between the parallel plates is obtained by a finite element meshing method, and the object medium distribution of the measured object is inverted by the potential distribution.

The excitation mode can be a multi-mode excitation mode, such as single electrode excitation, cross electrode excitation, and the like.

According to the arrangement and the number of the electrodes 10 and different excitation modes, the device can respectively realize two-dimensional and three-dimensional measurement, and the medium distribution of a measured object can be better inverted.

The electrode 10 can be used as an excitation electrode or a receiving electrode, and the excitation mode is flexible.

Claims

1. An automatic potato detection and transportation system is characterized in that: the system comprises a detection transport table (1), a first array electrode plate (2), a second array electrode plate (3), a first camera (4), a second camera (5), a rotating shaft (7) and a cross connecting frame (6);

the detection transport table (1) is of a turnover structure, one end of the detection transport table (1) is provided with a pin shaft (9), and the other end of the detection transport table (1) is provided with a driving support base (8); the detection transport table (1) can rotate around a pin shaft (9) by driving the driving support base (8); the detected potatoes (11) are placed on the detection transport table (1);

the rotating shaft (7) is installed in the middle of the cross connecting frame (6), and the cross connecting frame (6) is respectively connected with the first array electrode plate (2), the second array electrode plate (3), the first camera (4) and the second camera (5); the first array electrode plate (2) and the second array electrode plate (3) are symmetrically arranged, and the first camera (4) and the second camera (5) are symmetrically arranged; a plurality of electrodes (10) are uniformly distributed on the first array electrode plate (2) and the second array electrode plate (3), and the electrodes (10) are arranged in an array on the first array electrode plate (2) and the second array electrode plate (3).

2. The automated potato inspection and transportation system of claim 1, wherein: the first array electrode plate (2) and the second array electrode plate (3) are made of plastic or wood insulating materials, and the electrodes (10) are made of copper or steel conducting materials.

3. The automated potato inspection and transportation system of claim 1, wherein: the detection transport table (1) can rotate around the pin shaft (9) by less than or equal to 3 degrees.