CN107525813A - Steel plate defect on-line intelligence vision detection system - Google Patents

Steel plate defect on-line intelligence vision detection system Download PDF

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Publication number
CN107525813A
CN107525813A CN201710860717.7A CN201710860717A CN107525813A CN 107525813 A CN107525813 A CN 107525813A CN 201710860717 A CN201710860717 A CN 201710860717A CN 107525813 A CN107525813 A CN 107525813A
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steel plate
defect
module
data message
data
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公茂进
朱敏洁
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Changzhou Evecom Intelligent Equipment Technology Co Ltd
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Changzhou Evecom Intelligent Equipment Technology Co Ltd
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Priority to CN201710860717.7A priority Critical patent/CN107525813A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901Optical details; Scanning details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N2021/8411Application to online plant, process monitoring
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N2021/845Objects on a conveyor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • G01N2021/8809Adjustment for highlighting flaws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws
    • G01N2021/8858Flaw counting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws
    • G01N2021/8874Taking dimensions of defect into account
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws
    • G01N2021/888Marking defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901Optical details; Scanning details
    • G01N2021/8908Strip illuminator, e.g. light tube
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G01N2021/8918Metal

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  • Analytical Chemistry (AREA)
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  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The present invention provides a kind of steel plate defect on-line intelligence vision detection system, including camera device, light source, a/d converter, defects detection module, data analysis module, main control computer and warning device, light source are radiated on the surface of steel plate of motion;Camera device carries out IMAQ to steel plate;The image information collected is converted into surface of steel plate data message by a/d converter;Defects detection module carries out defects detection to steel plate data message and draws steel plate defect data message;By steel plate defect data message, integration is handled data analysis module by analysis, generation production journal file;Main control computer is used to store steel plate image information, surface of steel plate data message, steel plate defect data message and production journal file;Main control computer control warning device sends alarm.The steel plate defect on-line intelligence vision detection system of the present invention has the beneficial effect of the major defect type exhaustively detected in real time under conditions of production line normal operation on surface.

Description

Steel plate defect on-line intelligence vision detection system
Technical field
The present invention relates to steel plate defect detection field, and in particular to a kind of steel plate defect on-line intelligence vision detection system.
Background technology
The quality of surface of steel plate is one of good and bad deciding factor for determining steel plate, and this will directly influence final products Performance and quality.In process, the reason such as raw material, rolling equipment and technique, surface of steel plate can be caused to tie The defects of scar, crackle, roll marks, phosphorus skin, scratch, hole, pit etc. are different, these defects will make the degradation of steel.In life The surface defect of online detection steel plate during production, control can be reached and improve the purpose of the surface quality of steel sheet product.
At present Surface Defects in Steel Plate detection device be broadly divided into using conventional lossless detection technique detection means and adopt With detection means the defects of machine vision technique.
The conventional lossless detection technique of Surface Defects in Steel Plate:
The shortcomings that eddy current detection method:Metal foil surface and subcuticle group stream defect, and such a inspection can only be detected Survey needs high current excitation, and this will cause greatly to waste.Because EDDY CURRENT is needed by image detection, detection front spring must Palpus temperature is identical, and this is very inappeasable requirement for hot-rolled steel.Therefore this method is not suitable for high-speed rolling strip The detection shown.
Infrared detection technology:
Infrared detection relies on the change of steel billet temperature, because the temperature of fault location is but certainly in the mean depth, specific of defect Inputing power, the width of induction coil, the working frequency of coil, the factor such as the movement velocity of steel billet it is relevant.This method can To detect the longitudinal crack of hot billet surface and transverse crack defect.This method is mainly fitted and uses less demanding application scenario, And the defects of detecting species is less.
Magnetic Flux Leakage Inspecting technology:
Magnetic Flux Leakage Inspecting technology can both detect the defects of surface, can also detect that steel billet inside it is tiny the defects of, This accuracy of detection is higher, and applied temps scope is wide, and this apparatus cost is relatively low.Its major defect is can not to detect to show Roughness, and can not to defect carry out precise classification.
Therefore, there is an urgent need to develop a kind of technology for being capable of complete detection Surface Defects in Steel Plate for this area.
The content of the invention
It is an object of the present invention to provide a kind of steel plate defect on-line intelligence vision detection system, can normally be transported in production line The major defect type on surface of steel plate is exhaustively detected under conditions of row in real time.
The present invention provides a kind of steel plate defect on-line intelligence vision detection system, including camera device, light source, AD conversion Device, defects detection module, data analysis module, main control computer and warning device;Wherein, the steel plate on production line with Fixed speed motion,
The light source is radiated on the surface of steel plate of motion with certain direction;
The camera device carries out IMAQ to the steel plate for being below motion;
The image information collected is converted into surface of steel plate data message by the a/d converter;
The defects detection module carries out defects detection to the steel plate data message and draws steel plate defect data message;
The data analysis module is connected with the defects detection module, and steel plate defect data message is integrated by analysis Processing, generation production journal file;
The main control computer connects with the camera device, a/d converter, defects detection module and data analysis module Connect, for storing steel plate image information, surface of steel plate data message, steel plate defect data message and production journal file;
The warning device is connected with the main control computer, when detecting steel plate defect data message set non-NULL, The main control computer controls the warning device to send alarm, and notification technique personnel are handled steel plate defect;Detecting Go out steel plate defect data message collection and be combined into space-time, the camera device continuous collecting data.
Preferably, the camera device is ccd video camera, and the ccd video camera is arranged on steel plate together with the light source The surface of moving region.
Preferably, in addition to image pick-up card, the image that described image capture card is used to gather the camera device are believed Breath is inputted to the main control computer.
Preferably, the a/d converter by image preprocessing, binaryzation, determine detection zone processing after obtain steel plate table Face bianry image, and obtain the surface of steel plate data message by the geometric parameter of extraction bianry image.
Preferably, in addition to display device, the display device and the camera device, a/d converter, defects detection mould Block, data analysis module, main control computer and warning device communicate to connect, for showing surface of steel plate image information, steel Plate surface data message, steel plate defect data message, production journal file and alert data information.
Preferably, in addition to flaw labeling module and defect memory module,
The flaw labeling module is connected with the data analysis module, for marking of defects positional information, and is lacked Fall into mark;
The defect memory module is connected with the flaw labeling module and main control computer, for storage and flaw labeling Corresponding image.
Preferably, the production journal file includes Plate Production time, steel plate movement rate, Plate Production parameter, life Whether production batch number, defective locations, defect mark, picture number corresponding to the statistics of defective data quantity, defect with record when Between.
Preferably, the defects detection module is used to identify the defects of size is less than 0.5mm*0.5mm;And the defect Detection module detection rates are not less than 100m/min.
Preferably, in addition to human-computer interaction module, the human-computer interaction module are used for online change and are detected defect size Parameter data information.
Preferably, in addition to data respond module, the data respond module is connected with the warning device, in the report Alarm device while sending alarm the data respond module can send response instruction;Preferably, the response time is less than 100ms。
The steel plate defect on-line intelligence vision detection system of the present invention has the advantages that compared with prior art:
1st, the present invention can be with automatic production line on-line real-time measuremen defect, such as:Color spot, spot, breakage, stain, hickie, Oil mark, nail print, folding line etc..
2nd, after going out the defects of steel plate using the System and method for defect recognition of the present invention, defect position information can be provided (such as volume length and cross direction).
2nd, after going out the defects of steel plate using the System and method for defect recognition of the present invention, sound and light alarm can be carried out and lacked Mark is fallen into, can also store defect image, and is intuitively shown on a display screen, and statistical shortcomings incremental data.
3rd, there is Chinese man-machine dialog interface in the present invention, can the detected defect size parameter of online change, simple interface, It is friendly, easy to operate.
4th, the present invention can generate production journal file, and production time, manufacturing parameter, batch can be recorded in the journal file Number etc. information, so as to facilitate administrative staff inquiry and tracking.
5th, steel plate defect on-line intelligence vision detection system of the invention can identify the size of defect<0.5mm*0.5mm; Defects detection speed is not less than 100m/min;Being capable of the adaptively instantaneous change of line speed;It can be transmitted when detecting defect Response instruction, response time are less than 100ms.
Brief description of the drawings
Accompanying drawing used in this application is will be briefly described below, it should be apparent that, these accompanying drawings are only used for explaining the present invention Design.
Fig. 1 is the structural representation of the steel plate defect on-line intelligence vision detection system of the present invention;
Fig. 2 is the circuit theory schematic diagram of the steel plate defect on-line intelligence vision detection system of the present invention.
Reference collects:
1st, camera device 2, light source 3, a/d converter
4th, defects detection module 5, data analysis module 6, main control computer
7th, warning device 8, image pick-up card 9, display device
10th, flaw labeling module 11, defect memory module
12nd, human-computer interaction module 13, data respond module
Embodiment
Hereinafter, the embodiment of the steel plate defect on-line intelligence vision detection system of the present invention is described with reference to the accompanying drawings.
The embodiment recorded herein is specific embodiment of the invention, for illustrating the design of the present invention, It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein Outside embodiment, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious and The other technical schemes being clear to, these technical schemes include making the embodiment recorded herein it is any it is obvious replace and The technical scheme of modification.
The accompanying drawing of this specification is schematic diagram, aid in illustrating the present invention design, it is schematically indicated each several part it is mutual Relation.It note that for the ease of clearly showing the relation of each several part of the embodiment of the present invention.Same or analogous reference mark Remember for representing same or analogous part.
Fig. 1 is the structural representation of the steel plate defect on-line intelligence vision detection system of the present invention, and Fig. 2 is the steel of the present invention The circuit theory schematic diagram of board defect on-line intelligence vision detection system, as depicted in figs. 1 and 2, the present invention provide a kind of steel plate Defect on-line intelligence vision detection system, including camera device 1, light source 2, a/d converter 3, defects detection module 4, data analysis Module 5, main control computer 6 and warning device 7.Wherein, the steel plate on production line is moved with fixed speed, light source 2 It is radiated at certain direction on the surface of steel plate of motion, camera device 1 carries out IMAQ to the steel plate for being below motion.
The image information collected is converted into surface of steel plate data message by a/d converter 3, and specifically, a/d converter 3 passes through Cross image preprocessing, binaryzation, determine that detection zone obtains surface of steel plate bianry image after handling, and by extraction binary map The geometric parameter of picture obtains surface of steel plate data message.
Defects detection module 4 carries out defects detection to steel plate data message and draws steel plate defect data message, data analysis Module 5 is connected with defects detection module 4, and by steel plate defect data message, integration is handled by analysis, generation production journal file.
Main control computer 6 is connected with camera device 1, a/d converter 3, defects detection module 4 and data analysis module 5, For storing steel plate image information, surface of steel plate data message, steel plate defect data message and production journal file.Preferably, Plate Production time, steel plate movement rate, Plate Production parameter, production batch number, defective bit can be included by producing journal file Put (volume length and cross direction), whether defect marks, picture number corresponding to the statistics of defective data quantity, defect is with recording the time Etc. all Parameter data informations related to steel plate defect detection, so set be for convenience administrative staff's query history number According to the Tracing Historical data.
Staff's steel plate is reminded to whether there is defect in order to real-time intelligentization, present invention is provided with alarm dress for this 7 are put, the warning device 7 is connected with main control computer 6, when detecting steel plate defect data message set non-NULL, that is, is detected During surface of steel plate existing defects, main control computer 6 controls warning device 7 to send alarm, and notification technique personnel enter to steel plate defect Row processing;Detecting that steel plate defect data message collection is combined into space-time, that is, when detecting that defect is not present in surface of steel plate, shooting dress Putting 1 can continuous collecting steel plate image information data.
In further embodiment of the present invention, above-mentioned warning device 7 can be sound and light alarm, that is, pass through voice and light knot Conjunction is alarmed, so as to observably remind the surface of steel plate existing defects that produce of staff, it is necessary to carry out in time processing with Detection, and then allow technology master worker to formulate the suggestion for revision of manufacture steel plate or propose to improve opinion and the side of steel plate workmanship Case.
Preferably, camera device 1 is ccd video camera, and the ccd video camera is arranged on steel plate moving region together with light source 2 Surface.Ccd video camera in the present invention uses double focus system, and light source 2 is high intensity light illumination source 2 or high frequency fluorescence Lamp, in order to clearly shoot the picture that suitable defects detection module 4 and a/d converter 3 are used to handle, by ccd video camera With the surface for the transfer structure that transmission steel plate is arranged on together with high intensity light illumination source 2.
In further embodiment of the present invention, steel plate defect on-line intelligence vision detection system of the invention also includes image Capture card 8, the image pick-up card 8 are used to input the image information that camera device 1 gathers to main control computer 6.
The steel plate defect on-line intelligence vision detection system of the present invention also includes flaw labeling module 10 and defect storage mould Block 11, the flaw labeling module 10 is connected with data analysis module 5, for marking of defects positional information, and carries out flaw labeling; The defect memory module 11 is connected with flaw labeling module 10 with main control computer 6, corresponding with flaw labeling for storing Image.It is for position existing for clear and intuitive ground display defect so to set, and the staff in production line can direct root The analysis and processing of technical problem are carried out according to the position of flaw labeling.
The steel plate defect on-line intelligence vision detection system of the present invention also includes display device 9, and display device 9 fills with shooting 1, a/d converter 3, defects detection module 4, data analysis module 5, main control computer 6 and warning device 7 is put to communicate to connect, For showing surface of steel plate image information, surface of steel plate data message, steel plate defect data message, production journal file and report Alert data message.It is for position existing for clear and intuitive ground display defect so to set, and staff in production line can be with The analysis and processing of technical problem are directly carried out according to the position of flaw labeling, while administrative staff's query history can also be facilitated Data and the Tracing Historical data.
The steel plate defect on-line intelligence vision detection system defects detection module 4 of the present invention is used to identify that size is less than The defects of 0.5mm*0.5mm;And the detection rates of defects detection module 4 are not less than 100m/min.So setting to realize The real-time nothing left leak detection defect of line, such as:Color spot, spot, breakage, stain, hickie, oil mark, nail print, folding line etc..
The steel plate defect on-line intelligence vision detection system of the present invention also includes human-computer interaction module 12, human-computer interaction module 12, which are used for online change, is detected defect size Parameter data information.It should be noted that the human-computer interaction module in the present invention 12 are specifically configured to Chinese man-machine dialog interface, can the detected defect size ginseng of online change by the Chinese man-machine dialog interface Number, and it is simple interface, close friend, easy to operate.
The steel plate defect on-line intelligence vision detection system of the present invention also includes data respond module 13, data respond module 13 are connected with warning device 7, and data respond module 13 can send response instruction while warning device 7 sends alarm, and The present invention steel plate defect on-line intelligence vision detection system can the adaptively instantaneous change of line speed, and then realize soon Speed response.Preferably, the response time is less than 100ms.
The steel plate defect on-line intelligence vision detection system of the present invention has the advantages that compared with prior art:
1st, the present invention can be with automatic production line on-line real-time measuremen defect, such as:Color spot, spot, breakage, stain, hickie, Oil mark, nail print, folding line etc..
2nd, after going out the defects of steel plate using the System and method for defect recognition of the present invention, defect position information can be provided (such as volume length and cross direction).
2nd, after going out the defects of steel plate using the System and method for defect recognition of the present invention, sound and light alarm can be carried out and lacked Mark is fallen into, can also store defect image, and is intuitively shown on a display screen, and statistical shortcomings incremental data.
3rd, there is Chinese man-machine dialog interface in the present invention, can the detected defect size parameter of online change, simple interface, It is friendly, easy to operate.
4th, the present invention can generate production journal file, and production time, manufacturing parameter, batch can be recorded in the journal file Number etc. information, so as to facilitate administrative staff inquiry and tracking.
5th, steel plate defect on-line intelligence vision detection system of the invention can identify the size of defect<0.5mm*0.5mm; Defects detection speed is not less than 100m/min;Being capable of the adaptively instantaneous change of line speed;It can be transmitted when detecting defect Response instruction, response time are less than 100ms.
The embodiment of the steel plate defect on-line intelligence vision detection system of the present invention is illustrated above.For this The specific features of the steel plate defect on-line intelligence vision detection system of invention can be carried out according to the effect of the feature of above-mentioned disclosure Specific design, these designs are that those skilled in the art can realize.Moreover, each technical characteristic of above-mentioned disclosure and unlimited In disclosed with further feature combination, those skilled in the art can also according to each technical characteristic of the purpose of present invention progress it Between other combinations, by realize the present invention purpose be defined.

Claims (10)

  1. A kind of 1. steel plate defect on-line intelligence vision detection system, it is characterised in that including camera device, light source, a/d converter, Defects detection module, data analysis module, main control computer and warning device;Wherein, the steel plate on production line is with solid Fixed speed motion,
    The light source is radiated on the surface of steel plate of motion with certain direction;
    The camera device carries out IMAQ to the steel plate for being below motion;
    The image information collected is converted into surface of steel plate data message by the a/d converter;
    The defects detection module carries out defects detection to the steel plate data message and draws steel plate defect data message;
    The data analysis module is connected with the defects detection module, by steel plate defect data message by analysis at integration Reason, generation production journal file;
    The main control computer is connected with the camera device, a/d converter, defects detection module and data analysis module, is used In storage steel plate image information, surface of steel plate data message, steel plate defect data message and production journal file;
    The warning device is connected with the main control computer, described when detecting steel plate defect data message set non-NULL Main control computer controls the warning device to send alarm, and notification technique personnel are handled steel plate defect;Tapped in detection Board defect data message collection is combined into space-time, the camera device continuous collecting data.
  2. 2. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that the camera device For ccd video camera, the ccd video camera is arranged on the surface of steel plate moving region together with the light source.
  3. 3. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that also adopted including image Truck,
    Described image capture card is used to input the image information that the camera device gathers to the main control computer.
  4. 4. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that the a/d converter By image preprocessing, binaryzation, determine that detection zone obtains surface of steel plate bianry image after handling, and by extraction two-value The geometric parameter of image obtains the surface of steel plate data message.
  5. 5. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that also include display dress Put, the display device and the camera device, a/d converter, defects detection module, data analysis module, main control computer with And warning device communicates to connect, for showing surface of steel plate image information, surface of steel plate data message, steel plate defect data letter Breath, production journal file and alert data information.
  6. 6. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that also including defect mark Remember module and defect memory module,
    The flaw labeling module is connected with the data analysis module, for marking of defects positional information, and carries out defect mark Note;
    The defect memory module is connected with the flaw labeling module and main control computer, corresponding with flaw labeling for storing Image.
  7. 7. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that the production daily record Whether file is marked including Plate Production time, steel plate movement rate, Plate Production parameter, production batch number, defective locations, defect Picture number corresponding to note, the statistics of defective data quantity, defect and record time.
  8. 8. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that
    The defects detection module is used to identify the defects of size is less than 0.5mm*0.5mm;And
    The defects detection module detection rates are not less than 100m/min.
  9. 9. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that also including man-machine friendship Mutual module, the human-computer interaction module are used for online change and are detected defect size Parameter data information.
  10. 10. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in that also including data Respond module,
    The data respond module is connected with the warning device, and the data are rung while the warning device sends alarm Module is answered to send response instruction;Preferably, the response time is less than 100ms.
CN201710860717.7A 2017-09-21 2017-09-21 Steel plate defect on-line intelligence vision detection system Pending CN107525813A (en)

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CN108445008A (en) * 2018-02-27 2018-08-24 首钢京唐钢铁联合有限责任公司 A kind of detection method of steel strip surface defect
CN108818544A (en) * 2018-06-05 2018-11-16 科芃智能科技(苏州)有限公司 The strip surfacing machine people of view-based access control model guiding
CN109030499A (en) * 2018-07-27 2018-12-18 江苏理工学院 A kind of device and method preventing defect counts repeat count suitable for target defect continuous on-line detection
CN109030503A (en) * 2018-07-11 2018-12-18 无锡赛默斐视科技有限公司 The online surface defects detection system of strip and its detection method
CN109738448A (en) * 2018-12-28 2019-05-10 佛山科学技术学院 A kind of industrial products intelligent detection device and method
CN109829906A (en) * 2019-01-31 2019-05-31 桂林电子科技大学 It is a kind of based on the workpiece, defect of the field of direction and textural characteristics detection and classification method
CN110989422A (en) * 2019-11-13 2020-04-10 深圳市盛波光电科技有限公司 Management system and management method for AOI (automated optical inspection) over-inspection parameters based on serial number code spraying
CN111907191A (en) * 2020-06-19 2020-11-10 固高科技(深圳)有限公司 Compensation method, compensation device, electrographic engraving control system and computer-readable storage medium
CN111982919A (en) * 2020-08-25 2020-11-24 上海上创超导科技有限公司 Dynamic monitoring device and detection method for surface defects of coated conductor metal base band
CN112229324A (en) * 2020-09-29 2021-01-15 国发重工机械有限公司 Online automatic detection system for manufacturing strength of steel box girder
CN112763503A (en) * 2020-12-24 2021-05-07 山西大数据产业发展有限公司 High-grade cold-rolled silicon steel hole detection system based on machine vision
CN113038012A (en) * 2021-03-16 2021-06-25 上海悦易网络信息技术有限公司 Appearance defect detection method and equipment for intelligent terminal
CN113340901A (en) * 2021-04-30 2021-09-03 浙江达峰汽车技术有限公司 Method and system for detecting blockage of inner pore channels coated by high-number honeycomb carriers
CN113808087A (en) * 2021-09-02 2021-12-17 上汽通用五菱汽车股份有限公司 Defect management and control method and device for surface of steel plate and computer readable storage medium
CN113857270A (en) * 2021-09-29 2021-12-31 广东韶钢松山股份有限公司 Monitoring system and method for steel plate conveying fault on cooling bed and application
CN114428164A (en) * 2022-01-14 2022-05-03 无锡来诺斯科技有限公司 Marking device and marking method for tracing surface defects of metal strip
CN115983687A (en) * 2022-12-22 2023-04-18 广州海秀敏网络科技有限公司 Intelligent detection management system and method for quality of cold-rolled strip steel

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CN108445008A (en) * 2018-02-27 2018-08-24 首钢京唐钢铁联合有限责任公司 A kind of detection method of steel strip surface defect
CN108818544A (en) * 2018-06-05 2018-11-16 科芃智能科技(苏州)有限公司 The strip surfacing machine people of view-based access control model guiding
CN108818544B (en) * 2018-06-05 2019-10-25 科芃智能科技(苏州)有限公司 The strip surfacing machine people of view-based access control model guiding
CN109030503A (en) * 2018-07-11 2018-12-18 无锡赛默斐视科技有限公司 The online surface defects detection system of strip and its detection method
CN109030499B (en) * 2018-07-27 2021-08-24 江苏理工学院 Device and method suitable for continuous online detection of target defects and preventing repeated counting of defect number
CN109030499A (en) * 2018-07-27 2018-12-18 江苏理工学院 A kind of device and method preventing defect counts repeat count suitable for target defect continuous on-line detection
CN109738448A (en) * 2018-12-28 2019-05-10 佛山科学技术学院 A kind of industrial products intelligent detection device and method
CN109829906A (en) * 2019-01-31 2019-05-31 桂林电子科技大学 It is a kind of based on the workpiece, defect of the field of direction and textural characteristics detection and classification method
CN110989422A (en) * 2019-11-13 2020-04-10 深圳市盛波光电科技有限公司 Management system and management method for AOI (automated optical inspection) over-inspection parameters based on serial number code spraying
CN111907191A (en) * 2020-06-19 2020-11-10 固高科技(深圳)有限公司 Compensation method, compensation device, electrographic engraving control system and computer-readable storage medium
CN111982919A (en) * 2020-08-25 2020-11-24 上海上创超导科技有限公司 Dynamic monitoring device and detection method for surface defects of coated conductor metal base band
CN112229324A (en) * 2020-09-29 2021-01-15 国发重工机械有限公司 Online automatic detection system for manufacturing strength of steel box girder
CN112763503A (en) * 2020-12-24 2021-05-07 山西大数据产业发展有限公司 High-grade cold-rolled silicon steel hole detection system based on machine vision
CN113038012A (en) * 2021-03-16 2021-06-25 上海悦易网络信息技术有限公司 Appearance defect detection method and equipment for intelligent terminal
CN113340901A (en) * 2021-04-30 2021-09-03 浙江达峰汽车技术有限公司 Method and system for detecting blockage of inner pore channels coated by high-number honeycomb carriers
CN113808087A (en) * 2021-09-02 2021-12-17 上汽通用五菱汽车股份有限公司 Defect management and control method and device for surface of steel plate and computer readable storage medium
CN113857270A (en) * 2021-09-29 2021-12-31 广东韶钢松山股份有限公司 Monitoring system and method for steel plate conveying fault on cooling bed and application
CN113857270B (en) * 2021-09-29 2024-04-02 广东韶钢松山股份有限公司 Monitoring system, method and application of steel plate conveying fault on cooling bed
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