CN101655349B - Full-automatic optical size detecting method and detecting system - Google Patents
Full-automatic optical size detecting method and detecting system Download PDFInfo
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- CN101655349B CN101655349B CN2009101694057A CN200910169405A CN101655349B CN 101655349 B CN101655349 B CN 101655349B CN 2009101694057 A CN2009101694057 A CN 2009101694057A CN 200910169405 A CN200910169405 A CN 200910169405A CN 101655349 B CN101655349 B CN 101655349B
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Abstract
The invention provides a full-automatic optical size detecting method, comprising: arranging two CCD cameras on a detecting track, connecting the cameras to a computer having image processing function through external ports, arranging a detecting system comprising an image collection module, a format conversion module, an image processing module and an identification control module which are mutually connected for realizing data exchange through data transmission lines, wherein the image collection module collects image data to be transmitted to the image processing module, each submodule processes the received image data to be converted to parameter data for index detection, the parameter data is performed index detection, so as to output parameters and control signals simultaneously. The invention also provides a detecting system for realizing the method.
Description
Technical field
The present invention relates to the automatic measure control technical field, be specifically related to a kind of full-automatic optical size detecting method, and the detection system of this method of realization, to realize online size detection to miniaturization, high density product.
Background technology
In the modern industry automated production, terminal sizes detects usually this repeatability and the intelligent work naked eyes of can only choosing that have highly and finishes, but sometimes, want accurately to measure fast as small size, form fit, color identification etc., people can't with the naked eye carry out at all continuously and stably, and other physical sensors also are difficult to have place to show one's prowess.Along with the continuous miniaturization and the High Density Packaging trend of electronic technology, more and more tighter to the detection requirement of product, traditional visual detection has not reached requirement far away yet.Along with development of advanced manufacturing and photoelectric technology Products Development develop to high-tech, high precision, high-quality, high added value, miniaturization and integrated direction, corresponding precise detection technology also should adapt to this development.Precise detection technology should be the advanced manufacturing industry service, shoulders quality technology and guarantees.
Entering industrial technologies such as 21 century photoelectron, information, electromechanics, automobile constantly reforms, various high-tech products, enter each family as rapid osmotic such as digital camera, liquid crystal, automobiles, and high-precision each type component has become the key of product, and enterprise's accurate ultra process requirements continues to enlarge; One of the direction of giving priority to of current Mould Machining is exactly the single-piece high-precision processing in addition, and just high-grade mould is in great demand.The mould industry development is rapid, and under the drive of industries such as automobile, hot-water heating, photoelectricity, the die industry demand increases day by day.Middle and high shelves moulds such as exact instrument element, optical lens automobile small-medium size casting casting die, water swivel, LCDs need accurate the detection to ensure the quality of products equally.
Therefore, how to realize being based on the detection demand of all kinds of small-medium size sophisticated products, as accurate electromechanical component, high technology ceramics goods, photovalve and optical lens etc.How adopting High Precision Linear Motor, sensor and independent development measurement for Evaluation software is that core realizes the software and hardware controlling schemes, and finally realize the accurate detection platform of high-level efficiency, high precision, high automation degree, satisfy that to serve industry demands such as optoelectronic information, mould, new and high technology be the problem that presses for solution at present, satisfy above-mentioned requirements, also have the support of many-sided technological deficiency and relevant software and hardware resources at present.
Summary of the invention
The objective of the invention is to,, provide a kind of robotization optical size detecting method at the above-mentioned deficiency of prior art; Another purpose of the present invention is, a kind of detection system that realizes this method is provided, and is used for satisfying the detection requirement of all kinds of small-medium size sophisticated products, serves industry demands such as optoelectronic information, mould, new and high technology.
For effectively addressing the above problem, the technical solution used in the present invention is as follows:
A kind of full-automatic optical size detecting method, comprise that a detected element and a punch press that is connected with the mobile production line of detected element send band to detect track, two ccd video cameras are set on described detection track, and by external-connected port this video camera is connected to one and has on the computing machine of image processing function, it may further comprise the steps:
(1) detection system is set, comprises image capture module, format converting module, image processing module and identification control module, described each module interconnects the realization exchanges data by data transmission link;
(2) described image processing module comprises image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule and image filtering submodule;
(3) described image capture module acquisition of image data and be converted into and can discern formatted data transfers to described image processing module;
(4) described each submodule of above-mentioned steps (2) carries out the reception view data converting to and can carrying out the supplemental characteristic that index detects after territories such as black and white edge, gray scale and binaryzation handle in the described image processing module;
(5) described supplemental characteristic is carried out index and detect, judge its whether conformance with standard in the tolerance scope, output control signal in real time in the time of to its parameter output.
Described step (3) is further comprising the steps of: in the described image data acquiring process by the optical fiber principle of induction simultaneously to described detected element respectively from both direction (X-axis and Y-axis) synchronous acquisition, and change its form respectively.
Described step (4) is further comprising the steps of: described supplemental characteristic comprises size, angle, brightness, side-play amount, color pigments value and the position coordinate parameters of detected element, and converts the actual parameter value to according to image numerical value ratio.
Described step (4) is further comprising the steps of: the degree of accuracy of described parameter values must be not less than image numerical value ratio, and the error of degree of accuracy need be ignored with respect to the error range of standard value.
Described step (5) is further comprising the steps of: when described supplemental characteristic carries out the index detection, the conformance with standard detected element is sent the detection track automatically by the buffer fiber principle, do not meet the standard detected element detect finish after, report to the police automatically and stop to detect or to transmit it to remediation management production line etc. automatically to be repaired.
A kind of detection system that realizes above-mentioned full-automatic optical size detecting method, it comprises image management module, data management module, system management module and main control module; Described image management module comprises Image Acquisition submodule, image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule, image filtering submodule and identification control submodule; Described data management module comprises data operation submodule, data storage submodule and data transmission submodule; Described system management module comprises I/O submodule and system maintenance submodule; Described main control module comprises index detection sub-module, conversion of signals submodule and Control on Communication submodule; Above-mentioned each functional module and submodule interconnect the realization data communication by data transmission bus or various change-over circuit and control circuit.
Described data management module also comprises data typing submodule and form conversion submodule; Described system management module also comprises data backup submodule, reduction of data submodule and data deletion submodule; Described master control system also comprises data call submodule, signal output sub-module and signal recognin module.
Each function sub-modules of described image processing module combination in any adjustment is as required arranged or is set any deletion of free space scheduling authority or adds.
Described image processing module is by the master routine hierarchical control, and it comprises image acquisition layer, Flame Image Process layer and parameter output layer.
Beneficial effect of the present invention: data acquisition and the design of graph and image processing function integration thereof, the integrated realization multi-format data of data exchanging function module is handled; Be based on the detection demand of all kinds of small-medium size sophisticated products, as accurate electromechanical component, high technology ceramics goods, photovalve and optical lens etc.; The rapidity of computing machine, repeatability can only be changed with the height of human eye vision and abstracting power combines, and strengthens the reliability of precision and speed; Save the workload that traditional artificial visual detects, reduce cost of labor; Adopting High Precision Linear Motor, sensor and independent development measurement for Evaluation software is that core realizes the software and hardware controlling schemes, realize the accurate detection platform of high-level efficiency, high precision, high automation degree, satisfy that to serve industry demands such as optoelectronic information, mould, new and high technology be to press at present.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a detection system hardware module structured flowchart of the present invention;
Fig. 2 is a detection system image processing module sub modular structure block diagram of the present invention;
Fig. 3 is a robotization optical dimensions testing process synoptic diagram of the present invention.
Embodiment
Referring to Fig. 3, a kind of full-automatic optical size detecting method, comprise that a detected element and a punch press that is connected with the mobile production line of detected element send band to detect track, two ccd video cameras are set on described detection track, and by external-connected port this video camera is connected to one and has on the computing machine of image processing function, it may further comprise the steps:
(1) detection system is set, comprises image capture module, format converting module, image processing module and identification control module, described each module interconnects the realization exchanges data by data transmission link;
(2) described image processing module comprises image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule and image filtering submodule;
(3) described image capture module acquisition of image data and be converted into and can discern formatted data transfers to described image processing module; In the described image data acquiring process by the optical fiber principle of induction simultaneously to described detected element respectively from both direction (X-axis and Y-axis) synchronous acquisition, and change its form respectively.
(4) described each submodule of above-mentioned steps (2) carries out the reception view data converting to and can carrying out the supplemental characteristic that index detects after territories such as black and white edge, gray scale and binaryzation handle in the described image processing module; Described supplemental characteristic comprises size, angle, brightness, side-play amount, color pigments value and the position coordinate parameters of detected element, and converts the actual parameter value to according to image numerical value ratio; The degree of accuracy of described parameter values must be not less than image numerical value ratio, and the error of degree of accuracy need be ignored with respect to the error range of standard value.
(5) described supplemental characteristic is carried out index and detect, judge its whether conformance with standard in the tolerance scope, output control signal in real time in the time of to its parameter output; When the index of carrying out described supplemental characteristic detects, the conformance with standard detected element is sent the detection track automatically by the buffer fiber principle, do not meet the standard detected element detect finish after, report to the police automatically and stop to detect or to transmit it to remediation management production line etc. automatically to be repaired.
Referring to Fig. 1 and Fig. 2, a kind of detection system that realizes above-mentioned full-automatic optical size detecting method, it comprises image management module, data management module, system management module and main control module; Described image management module comprises Image Acquisition submodule, image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule, image filtering submodule and identification control submodule; Described data management module comprises data operation submodule, data storage submodule and data transmission submodule; Described system management module comprises I/O submodule and system maintenance submodule; Described main control module comprises index detection sub-module, conversion of signals submodule and Control on Communication submodule; Above-mentioned each functional module and submodule interconnect the realization data communication by data transmission bus or various change-over circuit and control circuit.
Described data management module also comprises data typing submodule and form conversion submodule; Described system management module also comprises data backup submodule, reduction of data submodule and data deletion submodule; Described master control system also comprises data call submodule, signal output sub-module and signal recognin module.
Each function sub-modules of described image processing module combination in any adjustment is as required arranged or is set any deletion of free space scheduling authority or adds.
Described image processing module is by the master routine hierarchical control, and it comprises image acquisition layer, Flame Image Process layer and parameter output layer.
Referring to Fig. 3, principle of work of the present invention is: the CCD camera grasps image, sends into computing machine or special-purpose image processing module, by digitized processing, reaches the purpose of differentiation.The rapidity of computing machine, repeatability can only be changed with abstracting power with the height of human eye vision and to combine.Vision Builder for Automated Inspection is used under the environment of industry spot, strengthens the reliability of precision and speed.It is carried out actuating unit motor drive terminal material belt is set, pass through buffer fiber, strip is connected high velocity ram machine send band to detect track, CCD responds to by optical fiber, according to system requirements, adopting high-resolution camera that production line is scanned takes pictures, according to detecting requirement, system is provided with the terminal sizes that two video cameras (X-axis and Y-axis) detect both direction respectively simultaneously, carry out synchronous photographic images, the image input system main frame of will taking pictures carries out analyzing and processing by application software to two width of cloth images, judge whether conformance with standard in the tolerance scope of index that each parts article will detect, and provide control signal in real time.
The present invention is not limited to above-mentioned embodiment, and all employings and similar system structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.
Claims (9)
1. full-automatic optical size detecting method, comprise that a detected element and a punch press that is connected with the mobile production line of detected element send band to detect track, it is characterized in that, two ccd video cameras are set on described detection track, and by external-connected port this video camera is connected to one and has on the computing machine of image processing function, it may further comprise the steps:
(1) detection system is set, comprises image capture module, format converting module, image processing module and identification control module, described each module interconnects the realization exchanges data by data transmission link;
(2) described image processing module comprises image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule and image filtering submodule;
(3) described image capture module acquisition of image data and be converted into and can discern formatted data transfers to described image processing module;
(4) described each submodule of above-mentioned steps (2) carries out the reception view data converting to and can carrying out the supplemental characteristic that index detects after territories such as black and white edge, gray scale and binaryzation handle in the described image processing module;
(5) described supplemental characteristic is carried out index and detect, judge its whether conformance with standard in the tolerance scope, output control signal in real time in the time of to its parameter output.
2. a kind of full-automatic optical size detecting method according to claim 1, it is characterized in that, described step (3) is further comprising the steps of: in the described image data acquiring process by the optical fiber principle of induction simultaneously to described detected element respectively from the both direction synchronous acquisition, and change its form respectively.
3. a kind of full-automatic optical size detecting method according to claim 1, it is characterized in that, described step (4) is further comprising the steps of: described supplemental characteristic comprises size, angle, brightness, side-play amount, color pigments value and the position coordinate parameters of detected element, and converts the actual parameter value to according to image numerical value ratio.
4. a kind of full-automatic optical size detecting method according to claim 1, it is characterized in that, described step (4) is further comprising the steps of: the degree of accuracy of described parameter values must be not less than image numerical value ratio, and the error of degree of accuracy need be ignored with respect to the error range of standard value.
5. a kind of full-automatic optical size detecting method according to claim 1, it is characterized in that, described step (5) is further comprising the steps of: when described supplemental characteristic carries out the index detection, the conformance with standard detected element is sent the detection track automatically by the buffer fiber principle, do not meet the standard detected element detect finish after, report to the police automatically and stop to detect or to transmit it to remediation management production line etc. automatically to be repaired.
6. a detection system that realizes the described full-automatic optical size detecting method of claim 1 is characterized in that, it comprises image management module, data management module, system management module and main control module; Described image management module comprises Image Acquisition submodule, image enhancer module, feature identification submodule, image registration submodule, image co-registration submodule, edge extracting submodule, image filtering submodule and identification control submodule; Described data management module comprises data operation submodule, data storage submodule and data transmission submodule; Described system management module comprises I/O submodule and system maintenance submodule; Described main control module comprises index detection sub-module, conversion of signals submodule and Control on Communication submodule; Above-mentioned each functional module and submodule interconnect the realization data communication by data transmission bus or various change-over circuit and control circuit.
7. full-automatic optical size detecting system according to claim 6 is characterized in that, described data management module also comprises data typing submodule and form conversion submodule; Described system management module also comprises data backup submodule, reduction of data submodule and data deletion submodule; Described main control module also comprises data call submodule, signal output sub-module and signal recognin module.
8. full-automatic optical size detecting system according to claim 6 is characterized in that, each function sub-modules of described image management module combination in any adjustment is as required arranged or set any deletion of free space scheduling authority or adds.
9. full-automatic optical size detecting system according to claim 6 is characterized in that, described image management module is by the master routine hierarchical control, and it comprises image acquisition layer, Flame Image Process layer and parameter output layer.
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| CN104165591A (en) * | 2014-09-12 | 2014-11-26 | 东莞市三姆森光电科技有限公司 | Fully-automatic optical size detection method and system for metal shell |
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| CN102679879A (en) * | 2012-06-11 | 2012-09-19 | 东莞市闻誉实业有限公司 | Intelligent quality detecting method for aluminum element and detecting system |
| CN103713406B (en) * | 2013-12-18 | 2016-08-17 | 电子科技大学 | A kind of liquid crystal display detection method |
| CN104535014B (en) * | 2014-12-31 | 2018-07-06 | 宝利根（东莞）电子科技有限公司 | High-precision electronic plug connector injection molding product detection method |
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