CN105338322A - Machine vision experimental platform and application thereof - Google Patents
Machine vision experimental platform and application thereof Download PDFInfo
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- CN105338322A CN105338322A CN201510802505.4A CN201510802505A CN105338322A CN 105338322 A CN105338322 A CN 105338322A CN 201510802505 A CN201510802505 A CN 201510802505A CN 105338322 A CN105338322 A CN 105338322A
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Abstract
The invention relates to a machine vision experimental platform and application thereof. The machine vision experimental platform comprises an image acquisition system, a servo controller, a PLC, an industrial personal computer and a display, wherein the image acquisition system is used for acquiring an image of a sample; the servo controller is used for controlling the sample to be transferred to an appointed position; the PLC is used for respectively giving a sample transfer control instruction and an image acquisition instruction to the servo controller and the image acquisition system; the industrial personal computer is used for receiving and processing the acquired image of the sample; the display is used for displaying an image processing result made by the industrial personal computer. The machine vision experimental platform can truly simulate an experimental platform on an industrial site, so that a user can be close to industrial vision at zero distance. The machine vision experimental platform can be used for image processing examples such as two-dimension code recognition, color recognition, defect detection, character recognition, thread recognition, chip pin defects and the like; the user can easily understand and learn the examples, master main methods for visual detection and apply the main methods for visual detection to actual projects through a humanized example interface on the platform.
Description
Technical field
The present invention relates to a kind of experimental teaching equipment, be specifically related to a kind of machine vision experiment porch and application thereof, belong to machine vision education sector.
Background technology
The core of machine vision is image procossing, in recent years, develops along with domestic machine vision technique, and all trades and professions are widely used appearance to employing machine vision image processing equipment.Domestic relevant universities and colleges, research institute and enterprise also actively think, feel free to try for nearly 2 years, progressively start to move towards industry spot application in image procossing.But, existing visual experiment platform is generally simple beam, camera can be installed, light source, student or researcher are when assessing vision sample, can not the actual conditions of real simulation industry spot, user cannot the process of real understanding Industry Control, has a strong impact on quality of instruction or quality of research; And correlation machine visual experiment platform operations is difficult, flexibility ratio is poor, the analog detection research that have impact on scientific research to a great extent, impart knowledge to students in industrial production.
Summary of the invention
Goal of the invention: the first object of the present invention be to provide a kind of can comprehensively example, real simulation industry scene, enable user's zero distance understand the machine vision experiment porch of industrial vision, the second object of the present invention is to provide the application of this machine vision experiment porch.
Technical scheme: a kind of machine vision experiment porch of the present invention, comprise the image capturing system for collected specimens image, the servo controller of assigned address is run to for Quality control, for sending the PLC of Quality control operation instruction and image capture instruction respectively to servo controller and image capturing system, for receiving and processing the industrial computer of the sample image collected, and for showing the display of the processing result image that industrial computer is made.
The present invention by arranging relative program in advance thus automatically detecting sample in PLC, during work, PLC sends the instruction controlling respective sample running to servo controller, servo controller controls measuring samples and turns to assigned address, PLC sends image capture instruction to image capturing system simultaneously, image capturing system collected specimens image, and the image transmitting this gathered is to industrial computer, computing is carried out by industrial computer, and result of calculation is transferred to display, student or researcher can understand the truth of industry spot according to the result of calculation of display display.
Wherein, aforementioned display device comprises the action pane for manual input signals, display by the Signal transmissions that manually inputs to industrial computer, and by industrial computer by this Signal transmissions to PLC.Now detect sample by manual mode, at action pane manual input signals, this signal transfers to industrial computer through display and transfers to PLC by industrial computer, corresponding Quality control operation instruction and image capture instruction is sent after PLC Received signal strength, by image capturing system collected specimens image and by image transfer to industrial computer, after industrial computer calculates, result is transferred to display display.
Preferably, aforementioned display device is touch-screen display.The sample button of pre-detection can be selected by touch-screen, select signal to transfer to PLC via display, industrial computer.
Above-mentioned image capturing system comprises camera, Camera fixing seat, light source and light source holder.Camera light source auxiliary under carry out IMAQ, can according to the position of actual conditions by Camera fixing seat, the corresponding adjustment camera of light source holder and light source, so as more complete, accurately complete IMAQ.
The application of machine vision experiment porch of the present invention, comprises and machine vision platform is used for Quick Response Code identification, colour recognition, Defect Detection, character recognition, screw thread with or without, chip pin defect and other image procossing examples.These examples are widely used in the industries such as electronics, automobile, pharmacy, printing, tobacco, daily use chemicals, building materials, bank note, packaging.
Beneficial effect: compared with prior art, the invention has the advantages that:
(1) whole platform hardware type selecting of the present invention take industrial equipment as reference, PLC, servo, IMAQ etc. are all according to industrial grouping mode layout, can the experiment porch of real simulation industry spot, simultaneously, the image procossing of platform, PLC control program are all design according to industrial condition, make user zero distance can press close to industrial vision;
(2) the present invention supports multiple operational mode, can automatically detect, and also can manually select to detect, and easily and efficiently according to actual conditions process, controls to realize the constant speed of sample, continuous, single step run by servo controller simultaneously;
(3) user can as required, autonomous combined light source camera, according to actual needs complete, accurately collected specimens image;
(4) machine vision experiment porch of the present invention can provide multiple typical image procossing example, comprise Quick Response Code identification, colour recognition, Defect Detection, character recognition, screw thread with or without, chip pin defect etc., these examples are widely used in the industries such as electronics, automobile, pharmacy, printing, tobacco, daily use chemicals, building materials, bank note, packaging, totally can represent industrial vision application; And the example interface of the hommization on platform, allows user easily understand, learns example, grasp the main method of vision-based detection, and be applied in actual items; Can the ability of engineering practice of training student, knowledge face, promotes the capability of finding employment of student.
Accompanying drawing explanation
Fig. 1 is the structural representation of machine vision experiment porch of the present invention.
Fig. 2 is the workflow diagram of machine vision experiment porch of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
As shown in Figure 1, a kind of machine vision experiment porch of the present invention, comprises image capturing system 1, servo controller 4, PLC 2, industrial computer 3 and display 5.
Image capturing system 1 is for collected specimens image, camera, Camera fixing seat, light source and light source holder can be comprised, camera light source auxiliary under carry out IMAQ, Camera fixing seat, light source holder can be used for the position adjusting camera and light source, user also can be as required, autonomous combined light source camera, so as more complete, accurately complete IMAQ.
Servo controller 4 for Quality control, make sample constant speed, continuously, single step run to assigned address, assigned address refers to the position that can be caught, complete sample image collection by image capturing system 1.
Pre-set control programs in PLC 2, comprises control program that servo controller 4 Quality control is operated and makes image capturing system 1 gather the control program of image, and after servo controller 4 receives the control command that PLC 2 sends, Quality control operates; Image capturing system 1 gathers sample image after receiving the control command that PLC 2 sends.Industrial computer 3 to be gone forward side by side row relax for the sample image receiving image capturing system 1 and gather.
The processing result image that display 5 is made for showing industrial computer 3.Display 5 can comprise the action pane for manual input signals, display 5 by the Signal transmissions that manually inputs to industrial computer 3, and by industrial computer 3 by this Signal transmissions to PLC 2.Display 5 can be touch-screen display, can be selected the sample button of pre-detection by touch-screen, selects signal to transfer to PLC 2 via display 5, industrial computer 3.
Whole platform hardware type selecting of the present invention take industrial equipment as reference, PLC 2, servo controller 4, image capturing system 1 etc. are all according to industrial grouping mode layout, can the experiment porch of real simulation industry spot, simultaneously, the image procossing of platform, PLC control program are all design according to industrial condition, make user zero distance can press close to industrial vision.
As shown in Figure 2, the present invention supports multiple operational mode, automatically can detect sample, also can manually select to detect sample.During automatic detection, PLC 2 sends the instruction controlling respective sample running to servo controller 4, servo controller 4 controls measuring samples and turns to assigned address, PLC 2 sends image capture instruction to image capturing system 1 simultaneously, image capturing system 1 collected specimens image, and the image transmitting this gathered is to industrial computer 3, computing is carried out by industrial computer 3, and result of calculation is transferred to display 5, the result of calculation that student or researcher can show according to display 5 understands the truth of industry spot.
During manual detection, manually mode detection sample, at action pane manual input signals, this signal transfers to industrial computer 3 through display 5 and transfers to PLC 2 by industrial computer 3, corresponding Quality control operation instruction and image capture instruction is sent after PLC 2 Received signal strength, by image capturing system 1 collected specimens image and by image transfer to industrial computer 3, result is transferred to display 5 after calculating and shows by industrial computer 3.
The application of machine vision experiment porch of the present invention, comprises and machine vision platform is used for Quick Response Code identification, colour recognition, Defect Detection, character recognition, screw thread with or without image procossing examples such as, chip pin defects.These examples are widely used in the industries such as electronics, automobile, pharmacy, printing, tobacco, daily use chemicals, building materials, bank note, packaging, totally can represent industrial vision application; And the example interface of the hommization on platform, allows user easily understand, learns example, grasp the main method of vision-based detection, and be applied in actual items; Can the ability of engineering practice of training student, knowledge face, promotes the capability of finding employment of student.
Claims (5)
1. a machine vision experiment porch, it is characterized in that, comprise the image capturing system (1) for collected specimens image, the servo controller (4) of assigned address is run to for Quality control, for sending the PLC (2) of Quality control operation instruction and image capture instruction respectively to servo controller (4) and image capturing system (1), for receiving and processing the industrial computer (3) of the sample image collected, and for showing the display (5) of the processing result image that industrial computer (3) is made.
2. machine vision experiment porch according to claim 1, it is characterized in that, described display (5) comprises the action pane for manual input signals, the Signal transmissions that described display (5) will manually input is described industrial computer (3) extremely, and by described industrial computer (3) by this Signal transmissions extremely described PLC (2).
3. machine vision experiment porch according to claim 2, is characterized in that, described display (5) is touch-screen display.
4. machine vision experiment porch according to claim 1, is characterized in that, described image capturing system (1) comprises camera, Camera fixing seat, light source and light source holder.
5. the application of a machine vision experiment porch according to claim 1, it is characterized in that, comprise and described machine vision platform is used for Quick Response Code identification, colour recognition, Defect Detection, character recognition, screw thread with or without, chip pin defect and other image procossing examples.
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| CN201510802505.4A CN105338322A (en) | 2015-11-19 | 2015-11-19 | Machine vision experimental platform and application thereof |
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| CN105679145A (en) * | 2016-03-25 | 2016-06-15 | 佛山市新恒萃材料科技有限公司 | Machine vision technology education platform |
| CN106899791A (en) * | 2017-02-20 | 2017-06-27 | 苏州市职业大学 | Vision multiplex system is used in one kind teaching |
| CN107607538A (en) * | 2016-07-12 | 2018-01-19 | 苏州市凌臣采集计算机有限公司 | Acetes chinensis equipment and its detection method |
| CN108072665A (en) * | 2016-11-11 | 2018-05-25 | 研祥智能科技股份有限公司 | Machine Vision Detection experiment porch |
| CN108802036A (en) * | 2018-08-28 | 2018-11-13 | 东莞康耐德智能控制有限公司 | A kind of portable integrated form large format checking test platform |
| CN110618137A (en) * | 2019-10-27 | 2019-12-27 | 江苏麦瑞特科技有限公司 | DM code sideline flaw detection system based on vision technology |
| CN110807969A (en) * | 2019-11-28 | 2020-02-18 | 深圳市华兴鼎盛科技有限公司 | Machine vision recognition teaching system and teaching method |
| CN112687142A (en) * | 2020-08-13 | 2021-04-20 | 杭州指南车机器人科技有限公司 | Learning platform based on machine vision |
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Application publication date: 20160217 |