CN107525813A - Steel plate defect on-line intelligence vision detection system - Google Patents
Steel plate defect on-line intelligence vision detection system Download PDFInfo
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- 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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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan 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
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8809—Adjustment for highlighting flaws
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan 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
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8858—Flaw counting
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan 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
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8874—Taking dimensions of defect into account
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan 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
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/888—Marking defects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan 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
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N2021/8908—Strip illuminator, e.g. light tube
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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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
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)
- 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. 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. 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. 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. 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. 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. 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. steel plate defect on-line intelligence vision detection system according to claim 1, it is characterised in thatThe defects detection module is used to identify the defects of size is less than 0.5mm*0.5mm；AndThe defects detection module detection rates are not less than 100m/min.
- 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. 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.
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