CN206321577U - A kind of fabric defect detection means - Google Patents
A kind of fabric defect detection means Download PDFInfo
- Publication number
- CN206321577U CN206321577U CN201621459558.7U CN201621459558U CN206321577U CN 206321577 U CN206321577 U CN 206321577U CN 201621459558 U CN201621459558 U CN 201621459558U CN 206321577 U CN206321577 U CN 206321577U
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- CN
- China
- Prior art keywords
- guide roll
- fabric
- fabric guide
- detection means
- defect detection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
A kind of fabric defect detection means, including the first fabric guide roll, the second fabric guide roll and the 3rd fabric guide roll, 3rd fabric guide roll enables fabric to form projection when passing sequentially through the second fabric guide roll, the 3rd fabric guide roll and the first fabric guide roll located at the top of the first fabric guide roll and the second fabric guide roll；The top of 3rd fabric guide roll is provided with multiple CCD cameras, and multiple CCD cameras are arranged in a linear；Also include being provided with main control computer and slave controller in switch board, switch board, multiple CCD cameras are connected with main control computer, and slave controller is connected with main control computer.The utility model provides a kind of fabric defect detection means, using master/slave machine distributed machines vision on-line checking structure, IMAQ, processing, transmission and the real-time of storage are ensure that, is met to the wide format in fabric face quality testing, high-precision requirement.
Description
Technical field
The utility model is related to a kind of detection means, particularly a kind of fabric defect detection means.
Background technology
In textile production industry, the factor of influence textile product quality is numerous, and " surface defect " is therein important
One of standard.When the characteristic variations such as length, cotton knot amount, fineness, short fibre when yarn are larger, its quality can be had a strong impact on, in addition,
System call interception is improper in production process or instrument damage etc. can all cause textile defect occur.Fabric face defect is to be always
The serious problems that textile industry is present, greatly reduce the quality of China's textile product, influence outlet causes huge economy
Loss.Therefore the defects detection of fabric, the control to quality of textile products is most important.Traditional fabric defect detection is most of by people
Work range estimation realizes that this traditional method has the shortcomings of detection speed is low, false drop rate is high, artifical influence factor is big, best
In the case of, quality control officer is only able to detect 40%-60% existing defect.With the fast development of the industrial revolution, production
Efficiency is greatly improved, and the real-time quality detection that human eye detection can not meet automatic assembly line is required.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of fabric defect detection means, based on CCD camera,
Video detection is carried out to fabric.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of fabric defect detection means,
Including the first fabric guide roll, the second fabric guide roll and the 3rd fabric guide roll, the 3rd fabric guide roll is located at the first fabric guide roll and the second fabric guide roll
Top, enables fabric to form projection when passing sequentially through the second fabric guide roll, the 3rd fabric guide roll and the first fabric guide roll；Described 3rd leads
The top of cloth rewinder roll is provided with multiple CCD cameras, and multiple CCD cameras are arranged in a linear；Also include being provided with switch board, switch board
Main control computer and slave controller, multiple CCD cameras are connected with main control computer, and slave controller is connected with main control computer.
It is preferred that, the front side of described CCD camera is provided with lamp bracket, and LED, LED are provided with the bottom of lamp bracket
Towards the 3rd fabric guide roll.
It is preferred that, also including servomotor, servomotor drives the axis of rotation of the first fabric guide roll, servomotor with from control
Machine is connected, and is additionally provided with rotary encoder on the axis of rotation of first fabric guide roll, rotary encoder is connected with slave controller.
It is preferred that, the main control computer is PC, and slave controller is PLC, and PLC passes through RS485 communication modules
It is connected with PC.
It is preferred that, also including marking machine, marking machine is connected with slave controller.
It is preferred that, the CCD camera is connected by video frequency collection card with main control computer.
It is preferred that, the quantity of the CCD camera is 6.
The utility model provides a kind of fabric defect detection means, using master/slave machine distributed machines vision on-line checking
Structure, it is ensured that IMAQ, processing, transmission and the real-time of storage, meets to the wide cut in fabric face quality testing
Face, high-precision requirement.Meanwhile, the positive unilateral variable angle illumination of high-power LED bar array is devised, illumination is strong, shine
Degree is uniform, it is to avoid fixed angle illumination bad adaptability and the shortcoming that influences defect information to extract.Based on the high-precision of machine vision
Defect detecting device is spent, Traditional Man range estimation detection fabric defect work flow has been banned, has improved the work of weaving personnel binocular strong
Degree, with real-time detection, real-time control capability, and flexibly, at a high speed, it is contactless the advantages of, greatly increase textile industry and lack
Detection efficiency is fallen into, the complete detection to tiny defect, aberration not open defect is realized exactly.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of the utility model selvage guide roller segment；
Fig. 3 is the structural frames of the utility model control system.
Embodiment
As Figure 1-3, a kind of fabric defect detection means, including the first fabric guide roll 6, the second fabric guide roll 7 and the 3rd are led
Cloth rewinder roll 8, the 3rd fabric guide roll 8 makes fabric 9 pass sequentially through the second fabric guide roll located at the top of the first fabric guide roll 6 and the second fabric guide roll 7
7th, the 3rd fabric guide roll 8 and projection can be formed during the first fabric guide roll 6；The top of 3rd fabric guide roll 8 is imaged provided with multiple CCD
First 5, multiple CCD cameras 5 are arranged in a linear；Also include being provided with main control computer and slave controller 4 in switch board 3, switch board 3, it is multiple
CCD camera 5 is connected with main control computer 1, and slave controller 4 is connected with main control computer 1.
It is preferred that, the front side of described CCD camera 5 is provided with lamp bracket 10, and LED 11 is provided with the bottom of lamp bracket 10,
LED 11 is towards the 3rd fabric guide roll 8.
It is preferred that, also including servomotor 12, servomotor 12 drives the axis of rotation of the first fabric guide roll 6, servomotor
12 are connected with slave controller 4, are additionally provided with rotary encoder 13 on the axis of rotation of first fabric guide roll 6, rotary encoder 13 with
Slave controller 4 is connected.
It is preferred that, the main control computer 2 is PC, and slave controller 4 is PLC, and PLC is communicated mould by RS485
Block is connected with PC.
It is preferred that, also including marking machine 14, marking machine 14 is connected with slave controller 4.
It is preferred that, the CCD camera 5 is connected by video frequency collection card with main control computer.
It is preferred that, the quantity of the CCD camera 5 is 6.
CCD camera 5 gets most original image, and being transmitted to PC through video frequency collection card is analyzed and processed.For camera
The higher image of quality is got, the present apparatus additionally uses LED 11, is pointed into fabric guide roll；Rotary encoder and servomotor 6
On the same axis that fabric guide roll 8 is arranged on by yielding coupling, it is ensured that the motion of rotary encoder energy precise acquisition to fabric
State and output pulse signal；Marking machine 7 is arranged on bottom bracket, and fabric is marked.
Use flow of the present utility model is as follows：
（1）Open system, PLC control servomotors are started working, and drive encoder and fabric guide roll to rotate, to light source control
Device sends pulse signal；
（2）Main control computer triggers stroboscopic light source and is delayed, while sending starting impulse to DCC cameras；Camera be in etc.
Starting impulse is received when state, starts scanning；
（3）The time for exposure of camera is set in advance, while the time for exposure phase one that the delay time of light source should be with camera
Cause；After camera scanning terminates, stored it in through image pick-up card collection in computer；
（4）Computer is received after original image, due to by optical system distortion, under-exposed or excess, illumination and
The influence of the factors such as random disturbances, the quality of image understands some degenerations, it is impossible to be directly used in NI Vision Builder for Automated Inspection, must be in this rank
Section carries out gray correction, the image pretreatment operation such as noise filtering to original image, at the same need using image enhancement technique come
Target area needed for prominent；
（5）After being pre-processed to image, computer extracts the textural characteristics of image by OpenCV softwares, uses
Wavelet transformation is extracted and analyzed come the textural characteristics to image；The region in image is clustered using 2DFCM algorithms,
Data set is divided into two classes, corresponding with the data set comprising less element is exactly texture defect, i.e. fabric defect.
（6）Identify after fabric defect, final computer is stored to defect information, count defect present in the fabric
Number and classification.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
The technical scheme that system, the technical scheme that protection domain of the present utility model should be recorded with claim, including claim are recorded
The equivalents of middle technical characteristic are protection domain.Equivalent i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (7)
1. a kind of fabric defect detection means, it is characterised in that：Including the first fabric guide roll（6）, the second fabric guide roll（7）And the 3rd lead
Cloth rewinder roll（8）, the 3rd fabric guide roll（8）Located at the first fabric guide roll（6）And second fabric guide roll（7）Top, make fabric（9）Pass sequentially through
Second fabric guide roll（7）, the 3rd fabric guide roll（8）And first fabric guide roll（6）When can form projection；3rd fabric guide roll（8）'s
Top is provided with multiple CCD cameras（5）, multiple CCD cameras（5）It is arranged in a linear；Also include switch board（3）, switch board（3）
It is interior to be provided with main control computer and slave controller（4）, multiple CCD cameras（5）With main control computer（1）Connection, slave controller（4）With main control computer（1）
Connection.
2. a kind of fabric defect detection means according to claim 1, it is characterised in that：Described CCD camera（5）Before
Side is provided with lamp bracket（10）, in lamp bracket（10）Bottom be provided with LED（11）, LED（11）Towards the 3rd fabric guide roll（8）.
3. a kind of fabric defect detection means according to claim 1, it is characterised in that：Also include servomotor（12）, watch
Take motor（12）Drive the first fabric guide roll（6）Axis of rotation, servomotor（12）With slave controller（4）Connection, described first leads
Cloth rewinder roll（6）Axis of rotation on be additionally provided with rotary encoder（13）, rotary encoder（13）With slave controller（4）Connection.
4. a kind of fabric defect detection means according to claim 3, it is characterised in that：The main control computer（2）For PC, from
Control machine（4）For PLC, PLC is connected by RS485 communication modules with PC.
5. a kind of fabric defect detection means according to claim 1, it is characterised in that：Also include marking machine（14）, mark
Machine（14）With slave controller（4）Connection.
6. a kind of fabric defect detection means according to claim 4, it is characterised in that：The CCD camera（5）By regarding
Frequency capture card is connected with main control computer.
7. a kind of fabric defect detection means according to claim 6, it is characterised in that：The CCD camera（5）Quantity
For 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459558.7U CN206321577U (en) | 2016-12-29 | 2016-12-29 | A kind of fabric defect detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459558.7U CN206321577U (en) | 2016-12-29 | 2016-12-29 | A kind of fabric defect detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321577U true CN206321577U (en) | 2017-07-11 |
Family
ID=59261879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459558.7U Expired - Fee Related CN206321577U (en) | 2016-12-29 | 2016-12-29 | A kind of fabric defect detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321577U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060669A (en) * | 2018-06-29 | 2018-12-21 | 吴江朗科化纤有限公司 | A kind of intelligence mirror color device |
| CN109375451A (en) * | 2018-09-25 | 2019-02-22 | 东莞锐视光电科技有限公司 | Light source controller Time delay control method and system |
| CN110702691A (en) * | 2019-10-29 | 2020-01-17 | 无锡精质智能装备有限公司 | Fabric quality detection system |
| CN110791943A (en) * | 2019-11-25 | 2020-02-14 | 创新奇智(广州)科技有限公司 | Intelligent cloth inspecting machine control system |
| CN111411502A (en) * | 2019-12-19 | 2020-07-14 | 福建工程学院 | Bud thread lace defect detection device based on machine vision and use method |
-
2016
- 2016-12-29 CN CN201621459558.7U patent/CN206321577U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060669A (en) * | 2018-06-29 | 2018-12-21 | 吴江朗科化纤有限公司 | A kind of intelligence mirror color device |
| CN109375451A (en) * | 2018-09-25 | 2019-02-22 | 东莞锐视光电科技有限公司 | Light source controller Time delay control method and system |
| CN110702691A (en) * | 2019-10-29 | 2020-01-17 | 无锡精质智能装备有限公司 | Fabric quality detection system |
| CN110791943A (en) * | 2019-11-25 | 2020-02-14 | 创新奇智(广州)科技有限公司 | Intelligent cloth inspecting machine control system |
| CN110791943B (en) * | 2019-11-25 | 2020-07-31 | 创新奇智(广州)科技有限公司 | Intelligent cloth inspecting machine control system |
| CN111411502A (en) * | 2019-12-19 | 2020-07-14 | 福建工程学院 | Bud thread lace defect detection device based on machine vision and use method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20171229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |