CN205664990U - Real -time optic fibre winding defect visual inspection device based on two CCD - Google Patents
Real -time optic fibre winding defect visual inspection device based on two CCD Download PDFInfo
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- CN205664990U CN205664990U CN201620543286.2U CN201620543286U CN205664990U CN 205664990 U CN205664990 U CN 205664990U CN 201620543286 U CN201620543286 U CN 201620543286U CN 205664990 U CN205664990 U CN 205664990U
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- optical fiber
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- ccd camera
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- fiber winding
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Abstract
The utility model discloses a real -time optic fibre winding defect visual inspection device based on two CCD, including the visual detection unit, the visual detection unit include rigidity be used for gather whole optic fibre winding diagram like overall CCD camera and position adjustable be used for gathering the local CCD camera of the local image of optic fibre winding, overall CCD camera and local CCD camera all are connected with the industrial computer, the industrial computer passes through electric drive unit and local CCD camera connect, the industrial computer is connected with the display screen. The utility model discloses a two CCD camera automatic on -line detection techniques, the operating position of local CCD camera is adjusted the tracking of the big microvariation in optic fibre winding wire footpath through overall CCD camera effectively, make local CCD camera to the real -time on -line monitoring of optic fibre winding, be favorable to improving optic fibre coiling quality and defect detecting efficiency, reduces the production cost, be favorable to improving optic fibre coiling defect detecting's degree of automation simultaneously, online real -time detection in -process, record optic fibre winding defect image information, help the problem to recall.
Description
Technical field
This utility model belongs to industrial vision and calculates field, lacks particularly to a kind of real-time Optical Fiber Windings based on double CCD
Fall into vision inspection apparatus.
Background technology
The longest owing to completing a luminous fine winding, and wrap volume is big, the number of plies is many, in winding process optical fiber around
Group need to move left and right within the specific limits, the most easily occur optical fiber climb platform, extrude, sink, glide, brush bristles residual etc. lacks
Fall into.Present stage Optical Fiber Winding quality is checked mainly by human eye, the situation of " missing inspection " easily occurs.
For Optical Fiber Winding defects detection, the Chinese patent of Application No. 201210189025.1 discloses a kind of based on machine
The real-time optical fiber coiling defect inspection method of device vision technique, is to use machine vision technique, by sampling Detection method, detects general
The defect of logical fiber optic loop, the method is applicable to that volume is little, speed of wrap is compared with the object slow, precision is low.Application No.
The Chinese patent of 201210477554.1 discloses a kind of on-line monitoring for fiber optic loop coiling and warning system and method, is
Light source is irradiated along fiber optic loop tangential direction, produces shadow by imaging system, judge optical fiber according to the shadow of fiber optic loop
Defect, whether the method can only have folded fine, the fine defect of leakage by detection fiber ring.
Summary of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, it is provided that a kind of Real-Time Opticals based on double CCD
The fine defective vision that is wound around detects device, it is adaptable to the optical fiber winding of various volumes and speed of wrap, it is possible to detects multiple winding and lacks
Falling into, accuracy of detection is high.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
A kind of real-time Optical Fiber Winding defective visions based on double CCD detection device, including visual detection unit, described vision
Detector unit includes fixing adjustable for adopting for the overall CCD camera and position that gather whole optical fiber winding image in position
The Local C CD camera of collection optical fiber winding topography, described overall situation CCD camera and local CCD camera all electrically connect with industrial computer,
This industrial computer is in transmission connection with Local C CD camera by Electrified Transmission unit, and this industrial computer electrically connects with display screen simultaneously.
By said structure, the overall situation CCD camera visual field is relatively big, is used for observing the overall situation, and whether detection fiber winding is close to office
Portion's CCD camera and the outer dia of optical fiber winding.Local C CD camera fields of view is less, is used for observing optical fiber winding local, gathers
Image is in order to judge optical fiber winding whether existing defects.Due to Local C CD camera precision is high and can not autozoom, when optical fiber around
During group radius change, Local C CD camera must be by the movable imaging to ensure optical fiber winding all the time at Local C CD camera
On focal plane.Industrial computer controls the position of Electrified Transmission unit regulation Local C CD camera.This utility model uses double CCD phase
Defect in machine testing spindle optical fiber winding process, efficiently control optical fiber winding takes figure scope, improves optical fiber
Around the defects detection rate being wound around, reduce production cost.
As a kind of optimal way, the camera lens of described overall situation CCD camera is perpendicular to the axis of optical fiber winding, overall situation CCD phase
The visual angle of machine covers the external diameter of whole optical fiber winding.
Further, described vision inspection apparatus also includes two position adjustable arc light sources, said two arc light
The left and right sides being positioned at Local C CD camera is divided in source, and the radian of these two arc light sources is consistent with the radian of optical fiber winding.
Use the arc light source consistent with optical fiber winding radian, enable light source to be distributed uniformly, thus obtain optimum
Imaging effect.
As a kind of optimal way, described Electrified Transmission unit includes PLC, motor and guide rail, and described industrial computer leads to
Crossing PLC to electrically connect with motor, this motor is in transmission connection with Local C CD camera by guide rail.
As a kind of optimal way, described motor is in transmission connection with said two arc light source by guide rail.
Local C CD camera and two arc light sources are fixedly mounted on guide rail, and arc light source is for mending to Local C CD camera
Fill light source, make luminous energy uniformly the field range of Local C CD camera be illuminated.
Further, described PLC is connected with alarm.
As defective, then industrial computer control PLC sends alarm signal, alarm equipment alarm.
This utility model uses double CCD camera automatic on-line detection technique, by overall situation CCD camera to optical fiber winding wire diameter
The tracking of size variation adjusts the operating position of Local C CD camera effectively, so that Local C CD camera is real to optical fiber winding
Time on-line monitoring, the method is conducive to improving optical fiber coiling quality and defects detection efficiency, reduces production cost, be conducive to simultaneously
Improve the automaticity of optical fiber coiling defects detection, simultaneously during on-line real-time measuremen, record Optical Fiber Winding defect image
Information, contributes to problem backtracking.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is overall situation CCD camera and the station structure figure of local CCD camera.
Fig. 3 is utility model works flow chart.
Wherein, 1 is overall situation CCD camera, and 2 is Local C CD camera, and 3 is industrial computer, and 4 is display screen, and 5 is arc light source, 6
For PLC, 7 is motor, and 8 is guide rail, and 9 is alarm, and 10 is mouse, and 11 is optical fiber winding.
Detailed description of the invention
This utility model is to install visual detection unit on the control station of original optical fiber winding 11 additional to carry out detection fiber and twine
Around quality.Optical fiber winding to be detected 11 is in spindle, and optical fiber winding 11 side-to-side movement during coiling.
As shown in Figure 1 to Figure 2, an embodiment of the present utility model includes visual detection unit, described visual detection unit
Including fixing adjustable for gathering light for the overall CCD camera 1 and position that gather whole optical fiber winding 11 image in position
The Local C CD camera 2 of fine winding 11 topography, described overall situation CCD camera 1 and local CCD camera 2 are all by netting twine and industry control
Machine 3 electrically connects, and this industrial computer 3 is in transmission connection with Local C CD camera 2 by Electrified Transmission unit, simultaneously this industrial computer 3 and display
Screen 4 electrical connection.Industrial computer 3 is also connected with mouse 10 and keyboard.
Overall situation CCD camera 1 and local CCD camera 2 are high accuracy CCD camera.
Overall situation CCD camera 1 and local CCD camera 2 are installed in optical fiber winding 11 dead ahead.
The camera lens of described overall situation CCD camera 1 is perpendicular to the axis of optical fiber winding 11, and the visual angle of overall situation CCD camera 1 covers whole
The external diameter of individual optical fiber winding 11.
Described vision inspection apparatus also includes two position adjustable arc light sources 5, and said two arc light source 5 points is positioned at
The left and right sides of Local C CD camera 2, and the radian of these two arc light sources 5 is consistent with the radian of optical fiber winding 11.Arc light source
5 is arc LED light source.
Described Electrified Transmission unit includes PLC6, motor 7 and guide rail 8, and described industrial computer 3 is by PLC6 and stepping electricity
Machine 7 electrically connects, and this motor 7 is in transmission connection with Local C CD camera 2 by guide rail 8.
Described motor 7 is in transmission connection with said two arc light source 5 by guide rail 8.
Described PLC6 is connected with alarm 9.Alarm 9 is audible-visual annunciator 9.
Workflow of the present utility model is as shown in Figure 3.
Specifically, when industrial computer 3 collect the overall situation CCD camera 1 picture, through Image semantic classification, Fast image segmentation,
Rim detection, rotating shaft extraction, pivot location change-detection identify optical fiber winding 11 movement position and optical fiber winding 11 external diameter, so
The working distance deviation of Local C CD camera 2 and optical fiber winding 11 local is drawn afterwards with the contrast conversion of original outer diameter size.Industrial computer 3
Sending a command to PLC6, PLC6 identify instruction and signal is passed to motor 7, motor 7 controls guide rail 8 thus drive office
Portion's CCD camera 2 carries out radial motion, it is ensured that optical fiber winding 11 imaging in Local C CD camera 2 is constantly in focal length state.
When optical fiber winding 11 imaging is in the focal plane of Local C CD camera 2, industrial computer 3 gathers Local C CD camera 2
Picture, Local C CD camera 2 image detection algorithm rough flow is that Image semantic classification, image segmentation, Preliminary detection, texture are special
Levy extraction and Extraction of Geometrical Features, then according to the feature extracted, be wound arranging compactness detection, optical fiber width wound convolution
Number detection, end face extrusion and climb platform defects detection, whether final detection fiber winding 11 climbs platform, extrude, sink, glide, bristle
The defects such as residual, output detections result.
To sum up, during winding, whole optical fiber winding 11 image is passed through network collection to industrial computer 3, work by overall situation CCD camera 1
Control machine 3 monitors the change of optical fiber winding 11 external diameter in real time, thus judges that Local C CD camera 2 is whether at the position range of applicable shooting
In, and control motor 7 radial motion according to the size of optical fiber winding 11 outer dia calculated, motor 7 thus
Two arc light sources 5 and Local C CD camera 2 is driven to move so that with optical fiber winding 11 local just at Local C CD camera 2 mirror
The operating position of head blur-free imaging.Local C CD camera 2 is by optical fiber winding 11 local high-definition image collection to industrial computer 3, by calculating
Method processes monitors the defect in winding process in real time, and accomplishes that all standing is sampled.After being wound around a circle, optical fiber winding 11 external diameter
Increase 2R(R is fibre external diameters), the graphical analysis that now industrial computer 3 is gathered by overall situation CCD camera 1, available optical fiber winding
11 external diameters increase 2R, industrial computer 3 will by PLC6 control motor 7 make its drive guide rail 8 horizontal direction be moved rearwards by 2R away from
From, Local C CD camera 2 horizontal direction is moved rearwards by 2R simultaneously.By that analogy until coiling completes.When local CCD camera 2 gathers
When to picture and there is drawbacks described above by Algorithm Analysis, then PLC6 sends alarm signal, and audible-visual annunciator 9 is reported to the police.
In this utility model, optical fiber winding 11 external diameter sought by optical fiber winding 11 picture utilizing overall situation CCD camera 1 to collect
The method seeking external diameter in existing image analyzing and processing technology can be continued to use.Algorithm can not also be used local CCD phase simultaneously
Optical fiber winding 11 that machine 2 collects local picture carries out image analysis processing, but Local C CD camera 2 collect optical fiber around
After the pictures of group 11 local, directly utilize industrial computer 3 and picture is delivered to display screen 4 show, utilize manually the picture collected to be entered
Row defect recognition, the picture precision collected due to this utility model device is high, compared to original artificial with the naked eye Direct Recognition
The winding defect of optical fiber winding 11, even if also can reduce the missing inspection of optical fiber winding 11 defect by the defect on artificial judgment picture
Rate.When detecting abnormal, operator controls alarm 9 by industrial computer 3 and reports to the police.
Claims (6)
1. real-time Optical Fiber Winding defective visions based on a double CCD detection device, including visual detection unit, its feature exists
In, described visual detection unit includes the overall CCD camera (1) for gathering whole optical fiber winding (11) image that position is fixing
Local C CD camera (2) for gather optical fiber winding (11) topography adjustable with position, described the overall situation CCD camera (1) and
Local C CD camera (2) all electrically connects with industrial computer (3), and this industrial computer (3) is by Electrified Transmission unit and Local C CD camera (2)
Being in transmission connection, this industrial computer (3) electrically connects with display screen (4) simultaneously.
2. real-time Optical Fiber Winding defective visions based on double CCD detection device as claimed in claim 1, it is characterised in that institute
The camera lens stating overall situation CCD camera (1) is perpendicular to the axis of optical fiber winding (11), and the visual angle of overall situation CCD camera (1) covers whole light
The external diameter of fine winding (11).
3. real-time Optical Fiber Winding defective visions based on double CCD detection device as claimed in claim 1, it is characterised in that institute
Stating vision inspection apparatus and also include two positions adjustable arc light source (5), said two arc light source (5) point is positioned at local
The left and right sides of CCD camera (2), and the radian of these two arc light sources (5) is consistent with the radian of optical fiber winding (11).
4. real-time Optical Fiber Winding defective visions based on double CCD detection device as claimed in claim 3, it is characterised in that institute
State Electrified Transmission unit and include PLC(6), motor (7) and guide rail (8), described industrial computer (3) passes through PLC(6) with stepping electricity
Machine (7) electrically connects, and this motor (7) is in transmission connection with Local C CD camera (2) by guide rail (8).
5. real-time Optical Fiber Winding defective visions based on double CCD detection device as claimed in claim 4, it is characterised in that institute
State motor (7) to be in transmission connection with said two arc light source (5) by guide rail (8).
6. based on double CCD the real-time Optical Fiber Winding defective vision detection device as described in claim 4 or 5, it is characterised in that
Described PLC(6) it is connected with alarm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620543286.2U CN205664990U (en) | 2016-06-07 | 2016-06-07 | Real -time optic fibre winding defect visual inspection device based on two CCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620543286.2U CN205664990U (en) | 2016-06-07 | 2016-06-07 | Real -time optic fibre winding defect visual inspection device based on two CCD |
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| Publication Number | Publication Date |
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| CN205664990U true CN205664990U (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620543286.2U Expired - Fee Related CN205664990U (en) | 2016-06-07 | 2016-06-07 | Real -time optic fibre winding defect visual inspection device based on two CCD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954008A (en) * | 2016-06-07 | 2016-09-21 | 江南工业集团有限公司 | Real-time fiber winding defect visual inspection device based on double CDDs |
-
2016
- 2016-06-07 CN CN201620543286.2U patent/CN205664990U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954008A (en) * | 2016-06-07 | 2016-09-21 | 江南工业集团有限公司 | Real-time fiber winding defect visual inspection device based on double CDDs |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20170607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |