CN105180821A - System and method of on-line measurement for fiber winding pitch in composite tube - Google Patents
System and method of on-line measurement for fiber winding pitch in composite tube Download PDFInfo
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- CN105180821A CN105180821A CN201510465836.3A CN201510465836A CN105180821A CN 105180821 A CN105180821 A CN 105180821A CN 201510465836 A CN201510465836 A CN 201510465836A CN 105180821 A CN105180821 A CN 105180821A
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- 239000000835 fiber Substances 0.000 title claims abstract description 93
- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title abstract 4
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 15
- 210000001130 astrocyte Anatomy 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000011295 pitch Substances 0.000 description 38
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention relates to a system and method of on-line measurement for a fiber winding pitch in a composite tube. The system of on-line measurement for the fiber winding pitch in the composite tube comprises a fiber winding machine, a CCD camera and a processing unit in a composite tube production device. The fiber winding machine includes a plurality of filament spindles which consist of at least one mark filament spindle, wherein the fiber color of the filament spindles is different from the fiber color of the rest filament spindles. The CCD camera aligns to the exit end of the fiber winding machine to shoot wound fiber bands in real time at measurement. The processing unit is used for processing real-time images of the CCD camera and regulating the pitch in real time according to the processing result. Through adoption of a non-contact optical measurement mode, the rotation speed of the fiber winding machine or the forward speed of a dragger may be detected and fed back in real time and may be controlled.
Description
Technical field
The invention belongs to surveying instrument manufacture and field of measuring technique, specifically refer to a kind of coloured fibre measurement method for distance based on CCD.
Background technology
In the oil industry, the technology being wound around non-metallic fibers in complex pipe is very general, but in order to ensure the performance requirement of complex pipe, has very high requirement to Filament-wound Machine pitch.Prior art is all that one cycle separation detects a pitch, adjusts the rotating speed of fiber winding machine or the pace of traction engine again according to testing result.But never way can Real-Time Monitoring Filament-wound Machine pitch.
Summary of the invention
The present invention seeks to the defect solving above-mentioned technology, provide the system and method for Filament-wound Machine pitch in a kind of on-line measurement complex pipe, it can Real-Time Monitoring Filament-wound Machine pitch.
Technical solution of the present invention is:
A system for Filament-wound Machine pitch in on-line measurement complex pipe, its special character is: comprise the fiber winding machine in complex pipe production equipment, ccd video camera and processing unit; Described fiber winding machine comprises multiple ingots, and described multiple ingots comprise at least one mark silk ingot, and the fiber color of described mark silk ingot is different from the fiber color of all the other ingots; Described ccd video camera aligned fibers wrapping machine endpiece is used for the fabric strip that captured in real-time winds; Described processing unit for the treatment of ccd video camera realtime graphic and regulate pitch in real time according to result.
The fiber color of above-mentioned mark silk ingot is colored, and the fiber color of all the other ingots is white.
The minimum number of above-mentioned mark silk ingot is 1, is no more than at most 1/5th of all silk number of spindles amounts.
The fiber color of above-mentioned mark silk ingot is at least two kinds.
A method for Filament-wound Machine pitch in on-line measurement complex pipe, its special character is: comprise the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises at least one labeled fibers, and the color of described labeled fibers is different from its cofibre;
3) image of Real-time Collection fabric strip;
4) extract the color contrast information of image, calculate the distance of adjacent labeled fibers;
5) difference calculating distance and gauged distance contrasted with threshold value, when difference is greater than threshold value, export control signal, the speed of adjustment wrapping machine or traction engine, makes to be wound around pitch in real time and meets required pitch.
The width of above-mentioned at least one labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
The method of Filament-wound Machine pitch in another kind of on-line measurement complex pipe, its special character is: comprise the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises two labeled fibers, and the color of described two labeled fibers is different, and is all different from its cofibre;
3) image of two ccd video camera difference Real-time Collection fabric strips;
4) extract a kind of color contrast information of fiber in each ccd video camera image respectively, calculate the distance of adjacent labeled fibers respectively;
5) mean value of the distance of two kinds of color mark fibers is calculated;
6) difference of mean value calculation result and gauged distance and threshold value are contrasted, when difference is greater than threshold value, export control signal, regulate the speed of wrapping machine or traction engine, make to be wound around pitch in real time and meet required pitch.
The width of above-mentioned at least one labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
Advantage of the present invention:
1, quick.Owing to adopting non-contact optical metering system, the present invention can detect and Real-time Feedback control the rotating speed of fiber winding machine or the pace of traction engine in real time.
2, easy.The present invention only need increase a set of contactless CCD measurement mechanism on existing complex pipe production line, then changes color to one or more filament ingot, monitors Filament-wound Machine pitch when just can realize, and repacking cost is low.
3, accurate.Pitch accuracy of detection of the present invention is relevant to CCD precision, therefore can unusual Measurement accuracy pitch.
4, the method for measuring pitch of adaptive ability is possessed.Processing unit of the present invention, according to pitch detection computations result, regulates the rotating speed of wrapping machine or the pace of traction engine in real time by processing unit, thus possesses adaptive ability, ensures the consistance of pitch.
Accompanying drawing explanation
Fig. 1 is Cleaning Principle schematic diagram of the present invention;
Fig. 2 is principle of work block diagram of the present invention;
Fig. 3 is the structural representation of the complex pipe that the inventive method generates;
Wherein: 1-Multi-media transport layer, its cofibre of 2-, 3-protective seam, 4-labeled fibers.
Embodiment
A system for Filament-wound Machine pitch in on-line measurement complex pipe, comprises the fiber winding machine in complex pipe production equipment, ccd video camera and processing unit; Fiber winding machine comprises 80 silk ingots, and 80 silk ingots comprise 1 or 2 mark silk ingots, and the fiber color of mark silk ingot is different from the fiber color of all the other ingots, and when mark silk ingot is 2, color is each other not identical yet; In general, the fiber color of mark silk ingot is colored, and the fiber color of all the other ingots is white.Mark silk ingot is no more than at most 1/5th of all silk number of spindles amounts; When the color marking silk ingot is a kind, placement should be concentrated; When the color marking silk ingot is 2 kinds, should symmetrically place.1 or 2 ccd video camera aligned fibers wrapping machine endpiece are used for the fabric strip that captured in real-time winds; Processing unit for the treatment of ccd video camera realtime graphic and regulate pitch in real time according to result.
When the color marking silk ingot is a kind, the method for Filament-wound Machine pitch in on-line measurement complex pipe, comprises the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises at least one labeled fibers, and the color of described labeled fibers is different from its cofibre;
3) image of Real-time Collection fabric strip;
4) extract the color contrast information of image, calculate the distance of adjacent labeled fibers;
5) difference calculating distance and gauged distance contrasted with threshold value, when difference is greater than threshold value, export control signal, the speed of adjustment wrapping machine or traction engine, makes to be wound around pitch in real time and meets required pitch.
The width of all labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
When the color marking silk ingot is 2 kinds, the method for Filament-wound Machine pitch in on-line measurement complex pipe, comprises the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises two labeled fibers, and the color of described two labeled fibers is different, and is all different from its cofibre;
3) image of two ccd video camera difference Real-time Collection fabric strips;
4) extract a kind of color contrast information of fiber in each ccd video camera image respectively, calculate the distance of adjacent labeled fibers respectively;
5) mean value of the distance of two kinds of color mark fibers is calculated;
6) difference of mean value calculation result and gauged distance and threshold value are contrasted, when difference is greater than threshold value, export control signal, regulate the speed of wrapping machine or traction engine, make to be wound around pitch in real time and meet required pitch.
The width of all labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
Principle of work of the present invention:
What the present invention measured is the coloured fibre be wrapped on complex pipe, and this coloured fibre is 1 or 2 on wrapping machine in 80 ingot fibers, and other fibers are white.According to measurement procedure, the key links such as Image Acquisition, Image semantic classification and graphical analysis can be divided into.
First, the coloured fibre that the complex pipe using linear array CCD camera to take on-line operation under natural light is wound around, carries out pre-service to the image of scanning afterwards, comprises gray level image and be converted into bianry image; Crude for image border picture point is removed by open and close operator; Then the image of collection is carried out refinement, deburring process, finally measure pitch size.
CCD gathers the fibre image be wrapped on plastic round tube, processes the data image signal collected with computing machine, and calculate the pitch being wound around fiber, concrete steps are as follows:
Gathered the fiber digital picture be wrapped on plastic round tube by CCD, pass to Computer real-time processing by high speed digital interface; The measurement of computing machine real time image processing is used to be wrapped in fiber coloured on plastic round tube;
Real time image processing is gray scale detection method.CCD is discrete sampling, and lower edges is actual is point range, and complex pipe axial direction is defined as X-axis, Y-axis is defined as perpendicular to complex pipe direction, on the left of X-axis and Y-axis and coloured fibre edge or right side intersection point be defined as (x, y), then pitch is the distance of adjacent 2.Calculate fiber pitch, the adjacent two fiber pitches of mathematic interpolation, pitch formula is: g (x, y)=f (x, y)-h (x, y), and wherein f is first fiber function, and h is second fiber function.
Claims (8)
1. the system of Filament-wound Machine pitch in on-line measurement complex pipe, is characterized in that: comprise the fiber winding machine in complex pipe production equipment, ccd video camera and processing unit; Described fiber winding machine comprises multiple ingots, and described multiple ingots comprise at least one mark silk ingot, and the fiber color of described mark silk ingot is different from the fiber color of all the other ingots; Described ccd video camera aligned fibers wrapping machine endpiece is used for the fabric strip that captured in real-time winds; Described processing unit for the treatment of ccd video camera realtime graphic and regulate pitch in real time according to result.
2. the system of Filament-wound Machine pitch in on-line measurement complex pipe according to claim 1, is characterized in that: the fiber color of described mark silk ingot is for colored, and the fiber color of all the other ingots be white.
3. the system of Filament-wound Machine pitch in on-line measurement complex pipe according to claim 1 and 2, is characterized in that: the minimum number of described mark silk ingot is 1, is no more than at most 1/5th of all silk number of spindles amounts.
4. the system of Filament-wound Machine pitch in on-line measurement complex pipe according to claim 3, is characterized in that: the fiber color of described mark silk ingot is at least two kinds.
5. the method for Filament-wound Machine pitch in on-line measurement complex pipe, comprises the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises at least one labeled fibers, and the color of described labeled fibers is different from its cofibre;
3) image of Real-time Collection fabric strip;
4) extract the color contrast information of image, calculate the distance of adjacent labeled fibers;
5) difference calculating distance and gauged distance contrasted with threshold value, when difference is greater than threshold value, export control signal, the speed of adjustment wrapping machine or traction engine, makes to be wound around pitch in real time and meets required pitch.
6. the method for Filament-wound Machine pitch in on-line measurement complex pipe according to claim 5, is characterized in that: the width of described at least one labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
7. the method for Filament-wound Machine pitch in on-line measurement complex pipe, comprises the following steps:
1) according to required pitch confirmed standard distance and threshold value;
2) on complex pipe, be wound around multiple processbearing astrocyte fabric strip, described multiple fiber comprises two labeled fibers, and the color of described two labeled fibers is different, and is all different from its cofibre;
3) image of two ccd video camera difference Real-time Collection fabric strips;
4) extract a kind of color contrast information of fiber in each ccd video camera image respectively, calculate the distance of adjacent labeled fibers respectively;
5) mean value of the distance of two kinds of color mark fibers is calculated;
6) difference of mean value calculation result and gauged distance and threshold value are contrasted, when difference is greater than threshold value, export control signal, regulate the speed of wrapping machine or traction engine, make to be wound around pitch in real time and meet required pitch.
8. the method for Filament-wound Machine pitch in on-line measurement complex pipe according to claim 7, is characterized in that: the width of described at least one labeled fibers is not more than 1/5th of whole fiber width, and is not less than the minimum resolution of ccd video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465836.3A CN105180821B (en) | 2015-07-31 | 2015-07-31 | Fiber winds the system and method for pitch in on-line measurement multiple tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465836.3A CN105180821B (en) | 2015-07-31 | 2015-07-31 | Fiber winds the system and method for pitch in on-line measurement multiple tube |
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| CN105180821A true CN105180821A (en) | 2015-12-23 |
| CN105180821B CN105180821B (en) | 2017-08-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059789A (en) * | 2018-08-21 | 2018-12-21 | 成都天衡智造科技有限公司 | Cable pitch online test method based on machine vision |
| CN109187370A (en) * | 2018-08-10 | 2019-01-11 | 江苏恒神股份有限公司 | A kind of carbon fiber color difference detection method |
| CN113275151A (en) * | 2021-05-13 | 2021-08-20 | 东风柳州汽车有限公司 | Spraying pitch adjusting system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128605A1 (en) * | 2007-03-16 | 2009-12-02 | Asahi Kasei Chemicals Corporation | Method for inspecting defect of hollow fiber porous membrane, defect inspection equipment and production method |
| CN201514215U (en) * | 2009-09-22 | 2010-06-23 | 丁忠 | Machining accuracy on-line real-time detecting system of numerical control punching device |
| CN102305595A (en) * | 2011-04-29 | 2012-01-04 | 无锡众望四维科技有限公司 | Method for automatically detecting spring pitch by using mechanical vision system |
| CN102522160A (en) * | 2011-12-12 | 2012-06-27 | 杭州三普机械有限公司 | Control unit of three-layer winding machine |
| CN204854647U (en) * | 2015-07-31 | 2015-12-09 | 西安斯通管业有限公司 | System for fibre winding pitch in compound pipe of on line measurement |
-
2015
- 2015-07-31 CN CN201510465836.3A patent/CN105180821B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128605A1 (en) * | 2007-03-16 | 2009-12-02 | Asahi Kasei Chemicals Corporation | Method for inspecting defect of hollow fiber porous membrane, defect inspection equipment and production method |
| CN201514215U (en) * | 2009-09-22 | 2010-06-23 | 丁忠 | Machining accuracy on-line real-time detecting system of numerical control punching device |
| CN102305595A (en) * | 2011-04-29 | 2012-01-04 | 无锡众望四维科技有限公司 | Method for automatically detecting spring pitch by using mechanical vision system |
| CN102522160A (en) * | 2011-12-12 | 2012-06-27 | 杭州三普机械有限公司 | Control unit of three-layer winding machine |
| CN204854647U (en) * | 2015-07-31 | 2015-12-09 | 西安斯通管业有限公司 | System for fibre winding pitch in compound pipe of on line measurement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187370A (en) * | 2018-08-10 | 2019-01-11 | 江苏恒神股份有限公司 | A kind of carbon fiber color difference detection method |
| CN109187370B (en) * | 2018-08-10 | 2021-04-02 | 江苏恒神股份有限公司 | Carbon fiber color difference detection method |
| CN109059789A (en) * | 2018-08-21 | 2018-12-21 | 成都天衡智造科技有限公司 | Cable pitch online test method based on machine vision |
| CN109059789B (en) * | 2018-08-21 | 2020-04-07 | 成都天衡智造科技有限公司 | Cable pitch online detection method based on machine vision |
| CN113275151A (en) * | 2021-05-13 | 2021-08-20 | 东风柳州汽车有限公司 | Spraying pitch adjusting system and method |
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| CN105180821B (en) | 2017-08-15 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: System and method of on line measurement of filament winding pitch in composite pipe Effective date of registration: 20200928 Granted publication date: 20170815 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN SITONG PIPE INDUSTRY Co.,Ltd. Registration number: Y2020990001175 |
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Date of cancellation: 20211020 Granted publication date: 20170815 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN SITONG PIPE INDUSTRY Co.,Ltd. Registration number: Y2020990001175 |
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Denomination of invention: System and Method of On line Measurement of Filament Winding Pitch in Composite Pipe Effective date of registration: 20221115 Granted publication date: 20170815 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN SITONG PIPE INDUSTRY Co.,Ltd. Registration number: Y2022610000752 |
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Date of cancellation: 20231026 Granted publication date: 20170815 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN SITONG PIPE INDUSTRY Co.,Ltd. Registration number: Y2022610000752 |
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