CN105180821B - Fiber winds the system and method for pitch in on-line measurement multiple tube - Google Patents
Fiber winds the system and method for pitch in on-line measurement multiple tube Download PDFInfo
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- CN105180821B CN105180821B CN201510465836.3A CN201510465836A CN105180821B CN 105180821 B CN105180821 B CN 105180821B CN 201510465836 A CN201510465836 A CN 201510465836A CN 105180821 B CN105180821 B CN 105180821B
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- fiber
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- line measurement
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- 239000000835 fiber Substances 0.000 title claims abstract description 130
- 238000005259 measurement Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram 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
- 239000010410 layer Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000011241 protective layer Substances 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
Abstract
The present invention relates to the system and method that fiber in on-line measurement multiple tube winds pitch, system includes fiber winding machine, ccd video camera and the processing unit in multiple tube production equipment；Fiber winding machine includes multiple ingots, and multiple ingots include at least one mark silk ingot, and the fiber color of mark silk ingot is different from the fiber color of remaining ingot；During measurement, the ccd video camera aligned fibers wrapping machine port of export is used for the fiber band that captured in real-time is wound；Processing unit is used to handle the realtime graphic of ccd video camera and adjusts pitch in real time according to result.Due to using non-contact optical metering system, the present invention can in real time detect and Real-time Feedback and control the rotating speed of fiber winding machine or the pace of hauling machine.
Description
Technical field
The invention belongs to measuring instrument manufacture and field of measuring technique, a kind of colored fibre based on CCD is referred specifically to
Measurement method for distance.
Background technology
In the oil industry, the technology that non-metallic fibers are wound in multiple tube is very universal, but in order to ensure to be combined
The performance requirement of pipe, has very high requirement to fiber winding pitch.Prior art is that one cycle separation detects a pitch,
Adjust the rotating speed of fiber winding machine or the pace of hauling machine again according to testing result.But never method can be supervised in real time
Survey fiber winding pitch.
The content of the invention
The present invention seeks to the defect for solving above-mentioned technology, there is provided fiber winding pitch in a kind of on-line measurement multiple tube
System and method, it can monitor fiber winding pitch in real time.
The present invention technical solution be：
The system that fiber winds pitch in a kind of on-line measurement multiple tube, it is characterized in that：Including multiple tube production
Fiber winding machine, ccd video camera and processing unit in equipment；The fiber winding machine includes multiple ingots, the multiple silk
Ingot includes at least one mark silk ingot, and the fiber color of the mark silk ingot is different from the fiber color of remaining ingot；It is described
The ccd video camera aligned fibers wrapping machine port of export is used for the fiber band that captured in real-time is wound；The processing unit is used to handle
The realtime graphic of ccd video camera simultaneously adjusts pitch in real time according to result.
The fiber color of above-mentioned mark silk ingot is colour, and the fiber color of remaining ingot is white.
The minimum number of above-mentioned mark silk ingot is 1,1/5th of no more than all number of spindles amounts.
The fiber color of above-mentioned mark silk ingot is at least two kinds.
A kind of method that fiber winds pitch in on-line measurement multiple tube, it is characterized in that：Comprise the following steps：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, it is fine that the multiple fiber includes at least one mark
Dimension, the color of the labeled fibers is different from its cofibre；
3) image of fiber band is gathered in real time；
4) the color contrast information of image is extracted, the distance of adjacent labeled fibers is calculated；
5) distance will be calculated and the difference of gauged distance is contrasted with threshold value, when difference is more than threshold value, output control
The speed of signal, regulation wrapping machine or hauling machine, makes to wind 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 widths, and is taken the photograph not less than CCD
The minimum resolution of camera.
The method that fiber winds pitch in another on-line measurement multiple tube, it is characterized in that：Comprise the following steps：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, the multiple fiber includes two labeled fibers, institute
The color for stating two labeled fibers is different, and is different from its cofibre；
3) two ccd video cameras gather the image of fiber band in real time respectively；
4) a kind of color contrast information of fiber is extracted in each ccd video camera image respectively, adjacent mark is calculated respectively
Remember the distance of fiber；
5) average value of the distance of two kinds of color mark fibers is calculated；
6) mean value calculation result and the difference of gauged distance are contrasted with threshold value, it is defeated when difference is more than threshold value
Go out control signal, the speed of regulation wrapping machine or hauling machine makes to wind pitch in real time and meets required pitch.
The width of above-mentioned two labeled fibers is not more than 1/5th of whole fiber widths, and not less than ccd video camera
Minimum resolution.
Advantages of the present invention：
1st, it is quick.Due to using non-contact optical metering system, the present invention can in real time be detected and Real-time Feedback and controlled
The rotating speed of fiber winding machine processed or the pace of hauling machine.
2nd, it is easy.The present invention only need to increase a set of contactless CCD measurement apparatus on existing multiple tube production line, then
Color is changed to one or more of filament ingots, it is possible to fiber winding pitch is monitored when realizing, repacking cost is low.
3rd, it is accurate.The pitch accuracy of detection of the present invention is related to CCD precision, therefore can accurately measure very much pitch.
4th, possesses the method for measuring pitch of adaptive ability.The processing unit of the present invention detects result of calculation according to pitch,
The rotating speed of wrapping machine or the pace of hauling machine are adjusted in real time by processing unit, so as to possess adaptive ability, it is ensured that section
Away from uniformity.
Brief description of the drawings
Fig. 1 is the Cleaning Principle schematic diagram of the present invention；
Fig. 2 is the operation principle block diagram of the present invention；
Fig. 3 is the structural representation for the multiple tube that the inventive method is generated；
Wherein：1- Multi-media transport layers, its cofibre of 2-, 3- protective layers, 4- labeled fibers.
Embodiment
The system that fiber winds pitch in a kind of on-line measurement multiple tube, including the fiber winding in multiple tube production equipment
Machine, ccd video camera and processing unit；Fiber winding machine includes 80 silk ingots, and 80 silk ingots include 1 or 2 mark silk ingot,
The fiber color of silk ingot is marked to be different from the fiber color of remaining ingot, when it is 2 to mark silk ingot, color each other
Differ；In general, the fiber color of mark silk ingot is colour, and the fiber color of remaining ingot is white.Mark silk ingot most
More no more than 1/5th of all number of spindles amounts；When the color for marking silk ingot is a kind, placement should be concentrated；When mark silk ingot
Color be 2 kinds when, should be symmetrically placed.1 or 2 ccd video camera aligned fibers wrapping machine ports of export are twined for captured in real-time
The fiber band wound；Processing unit is used to handle the realtime graphic of ccd video camera and adjusts pitch in real time according to result.
When the color for marking silk ingot is a kind, the method that fiber winds pitch in on-line measurement multiple tube, including following step
Suddenly：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, it is fine that the multiple fiber includes at least one mark
Dimension, the color of the labeled fibers is different from its cofibre；
3) image of fiber band is gathered in real time；
4) the color contrast information of image is extracted, the distance of adjacent labeled fibers is calculated；
5) distance will be calculated and the difference of gauged distance is contrasted with threshold value, when difference is more than threshold value, output control
The speed of signal, regulation wrapping machine or hauling machine, makes to wind pitch in real time and meets required pitch.
The width of all labeled fibers is not more than 1/5th of whole fiber widths, and not less than ccd video camera most
Small resolution ratio.
When the color for marking silk ingot is 2 kinds, the method that fiber winds pitch in on-line measurement multiple tube, including following step
Suddenly：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, the multiple fiber includes two labeled fibers, institute
The color for stating two labeled fibers is different, and is different from its cofibre；
3) two ccd video cameras gather the image of fiber band in real time respectively；
4) a kind of color contrast information of fiber is extracted in each ccd video camera image respectively, adjacent mark is calculated respectively
Remember the distance of fiber；
5) average value of the distance of two kinds of color mark fibers is calculated；
6) mean value calculation result and the difference of gauged distance are contrasted with threshold value, it is defeated when difference is more than threshold value
Go out control signal, the speed of regulation wrapping machine or hauling machine makes to wind pitch in real time and meets required pitch.
The width of all labeled fibers is not more than 1/5th of whole fiber widths, and not less than ccd video camera most
Small resolution ratio.
Operation principle of the present invention：
What the present invention was measured is wound around the colored fibre on multiple tube, and the colored fibre is wound around on machine in 80 ingot fibers
1 or 2, other fibers are white.According to measurement procedure, image acquisition, image preprocessing and graphical analysis can be divided into
Etc. key link.
First, the colored fibre that the multiple tube for shooting on-line operation using linear array CCD camera under natural light is wound, it
The image of scanning is pre-processed afterwards, including gray level image is converted into bianry image；Open and close operator is by the crude figure in image border
Picture point is removed；Then the image of collection is refined, deburring is handled, and finally measures pitch size.
CCD collections are wrapped in the fibre image on plastic round tube, and the data image signal collected is carried out with computer
Processing, calculates the pitch of winding fiber, comprises the following steps that：
The fiber digital picture being wrapped on plastic round tube is gathered by CCD, computer is passed to by high speed digital interface
Processing in real time；Fiber coloured on plastic round tube is wrapped in using computer real time image processing measurement；
Real time image processing is gray scale detection method.CCD is discrete sampling, and lower edges are really point range, multiple
Close pipe axial direction and be defined as X-axis, Y-axis is defined as perpendicular to multiple tube direction, X-axis and Y-axis with the left of colored fibre edge or
Right side intersection point is defined as (x, y), then pitch is adjacent 2 points of distance.Calculate fiber pitch, adjacent two fibers of mathematic interpolation
Pitch, pitch formula is：G (x, y)=f (x, y)-h (x, y), wherein f are first fiber function, and h is second fiber letter
Number.
Claims (8)
1. the system that fiber winds pitch in a kind of on-line measurement multiple tube, it is characterised in that：Including in multiple tube production equipment
Fiber winding machine, ccd video camera and processing unit；The fiber winding machine includes wrapping in multiple ingots, the multiple silk ingot
At least one mark silk ingot is included, the fiber color of the mark silk ingot is different from the fiber color of remaining ingot；The CCD shootings
The machine aligned fibers wrapping machine port of export is used for the fiber band that captured in real-time is wound；The processing unit is used to handle CCD shootings
The realtime graphic of machine simultaneously adjusts pitch in real time according to result.
2. the system that fiber winds pitch in on-line measurement multiple tube according to claim 1, it is characterised in that：The mark
It is colour to remember the fiber color of silk ingot, and the fiber color of remaining ingot is white.
3. the system that fiber winds pitch in on-line measurement multiple tube according to claim 1 or 2, it is characterised in that：Institute
The minimum number for stating mark silk ingot is 1,1/5th of no more than all number of spindles amounts.
4. the system that fiber winds pitch in on-line measurement multiple tube according to claim 3, it is characterised in that：The mark
The fiber color of note silk ingot is at least two kinds.
5. a kind of method that fiber winds pitch in on-line measurement multiple tube, comprises the following steps：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, the multiple fiber includes at least one labeled fibers, institute
The color for stating labeled fibers is different from its cofibre；
3) image of fiber band is gathered in real time；
4) the color contrast information of image is extracted, the distance of adjacent labeled fibers is calculated；
5) distance will be calculated and the difference of gauged distance is contrasted with threshold value, when difference is more than threshold value, output control signal,
The speed of wrapping machine or hauling machine is adjusted, makes to wind pitch in real time and meets required pitch.
6. the method that fiber winds pitch in on-line measurement multiple tube according to claim 5, it is characterised in that：It is described at least
The width of a piece labeled fibers is not more than 1/5th of whole fiber widths, and not less than the minimum resolution of ccd video camera.
7. a kind of method that fiber winds pitch in on-line measurement multiple tube, comprises the following steps：
1) gauged distance and threshold value are determined according to required pitch；
2) multiple fiber formation fiber bands are wound on multiple tube, the multiple fiber includes two labeled fibers, described two
The color of individual labeled fibers is different, and is different from its cofibre；
3) two ccd video cameras gather the image of fiber band in real time respectively；
4) a kind of color contrast information of fiber is extracted in each ccd video camera image respectively, adjacent mark is calculated respectively fine
The distance of dimension；
5) average value of the distance of two kinds of color mark fibers is calculated；
6) mean value calculation result and the difference of gauged distance are contrasted with threshold value, when difference is more than threshold value, output control
The speed of signal processed, regulation wrapping machine or hauling machine, makes to wind pitch in real time and meets required pitch.
8. the method that fiber winds pitch in on-line measurement multiple tube according to claim 7, it is characterised in that：It is described two
The width of labeled fibers is not more than 1/5th of whole fiber widths, and 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
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| CN105180821A CN105180821A (en) | 2015-12-23 |
| CN105180821B true CN105180821B (en) | 2017-08-15 |
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| CN201510465836.3A Active 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187370B (en) * | 2018-08-10 | 2021-04-02 | 江苏恒神股份有限公司 | Carbon fiber color difference detection method |
| 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 |
| CN113275151B (en) * | 2021-05-13 | 2022-02-25 | 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 |
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| CN105180821A (en) | 2015-12-23 |
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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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