CN208636227U - The online surface defects detection system of strip - Google Patents

The online surface defects detection system of strip Download PDF

Info

Publication number
CN208636227U
CN208636227U CN201821091986.8U CN201821091986U CN208636227U CN 208636227 U CN208636227 U CN 208636227U CN 201821091986 U CN201821091986 U CN 201821091986U CN 208636227 U CN208636227 U CN 208636227U
Authority
CN
China
Prior art keywords
strip
module
light source
detection system
industrial camera
Prior art date
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.)
Active
Application number
CN201821091986.8U
Other languages
Chinese (zh)
Inventor
邹逸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Simvision Technology Co Ltd
Original Assignee
Wuxi Simvision Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Simvision Technology Co Ltd filed Critical Wuxi Simvision Technology Co Ltd
Priority to CN201821091986.8U priority Critical patent/CN208636227U/en
Application granted granted Critical
Publication of CN208636227U publication Critical patent/CN208636227U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses the online surface defects detection systems of strip, including light source, industrial camera, processor and autoalarm, the detection system is connected with output strip line, the processor includes by wireless sequentially connected image deflects identification module, sound and light alarm module, defect location module, as the result is shown and judging treatmenting module, the picture that described image defect recognition module obtains industrial camera identifies, the defect location module is accurately positioned defect in the position of belt steel surface, it is described as the result is shown and judging treatmenting module and autoalarm pass through it is wired or wirelessly connect.

Description

The online surface defects detection system of strip
Technical field:
The utility model relates to belt steel product performance detection technical field more particularly to the online surface defects detection systems of strip System.
Background technique:
With the continuous improvement of the industry productions demand such as Prospect in Modern Auto Manufacture Industry, refrigerator, air-conditioning, home appliance panel, automobile face Plate, tin plate, zinc-plated plate surface product appearance quality require also become to be increasingly stringenter, due to strip production environment very It is severe, each procedure is likely to impact the surface quality of strip, along with the production run speed of strip is non- Often fast, artificial eye is unable to satisfy the demand of automatic online detection, once the pin hole of belt steel surface, broken hole, coining, scratch are not It timely detects and eliminates and, banish into downstream client's hand, very huge economic loss will be brought to enterprise, therefore be badly in need of energy The system of enough on-line checking steel strip surface defects.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.
Utility model content:
The purpose of this utility model is to provide the online surface defects detection systems of strip, to overcome the above-mentioned prior art The defects of.
To achieve the above object, the utility model provides the online surface defects detection system of strip, including light source, industry Camera, processor and autoalarm, the detection system are connected with output strip line, the processor include by wirelessly according to The image deflects identification module of secondary connection, sound and light alarm module, defect location module, as the result is shown and judging treatmenting module, institute It states the picture that image deflects identification module obtains industrial camera to identify, the defect location module is to defect in strip table The position in face is accurately positioned, it is described as the result is shown and judging treatmenting module and autoalarm pass through it is wired or wireless Mode connects.
The light source and industrial camera are provided with two groups, and wherein one group of light source and industrial camera are set to the side of strip, Another one group of light source and industrial camera are set to the other side of strip.
The position of light source irradiation is strip close to the position of delivery roll.
The industrial camera uses linear array CCD camera, and the number of every group of industrial camera is 3-4.
The light source uses LED linear condensation light source.
The online surface defects detection system of strip is as follows to the detecting step of belt steel surface:
S1: opening light source, and light source is radiated at strip close to the position of delivery roll, and industrial camera obtains strip close to delivery roll The picture of position, and the picture is transmitted to processor;
S2: the image deflects identification module of processor is according to formula
Y=[x-127.5* (1-B)] * k+127.5* (1+B), k=tan ((45+44*c)/180*pi);
X is the pixel value before adjusting, and y is the pixel value after adjusting, and wherein B value [- 1,1], adjusts brightness;K is to adjust Contrast afterwards, tan (k) value [1,89]
Adjust the image pixel and contrast that S1 is obtained, and the inhomogeneity stored in advance with image adjusted and processor The defect picture of type is compared, if compare result be overlapped with the picture stored in advance if starting sound and light alarm module and Corresponding record is done on the picture;If the result compared is not overlapped with the picture stored in advance, detection continues;
In S3:S2 step while sound and light alarm module starts, defect location module starting, in S2 step and in advance The image that the picture of storage is overlapped is accurately positioned, and the specific location that the defect appears in belt steel surface is recorded;
The information and picture that S4:S3 is recorded are transmitted to as the result is shown and judging treatmenting module, as the result is shown and at judgement Module is managed to the details real-time display of defect picture and makes corresponding judgement, when periodic, successional appearance is same When the defect of type, autoalarm operation stops strip production process;When not occurring periodicity, continuity flaw, detection System continues to run
The flaw includes broken hole, roll marks, side splits, weighs wounded, scratching and patch.
The precision of the detection is 0.1mm-1.0mm, and detection speed is 600-800m/min.
Compared with prior art, the utility model has the following beneficial effects:
The online surface defects detection system of the strip of the utility model, the position of light source irradiation are strip close to delivery roll Position, which can effectively prevent shaking in strip production process, obtains the inaccurate problem of photo so as to cause industrial camera;Strip Two sides are provided with light source and industrial camera, can two sides to strip detect simultaneously;The processor of detection system can The defective locations of strip are accurately positioned, precise classification is carried out to defect type, when there is the periodical and successional flaw When defect, autoalarm can be started in time to stop strip production, be capable of the quality of effective control strip production.
Detailed description of the invention:
Fig. 1 is the schematic diagram of the online surface defects detection system of strip of the utility model;
Fig. 2 is the overhaul flow chart of the online surface defects detection system of strip of the utility model;
Appended drawing reference are as follows: 1- light source, 2- industrial camera, 3- processor, 31- image deflects identification module, 32- sound-light alarm Module, 33- defect location module, 34- as the result is shown with judging treatmenting module, 4- alarm.
Specific embodiment:
Specific embodiment of the present utility model is described in detail below, it is to be understood that the protection of the utility model Range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figs. 1-2, the online surface defects detection system of strip, including light source 1, industrial camera 2, processor 3 and from Dynamic alarm 4, the detection system are connected with output strip line, and the processor 3 includes by wireless sequentially connected image Defect recognition module 31, sound and light alarm module 32, defect location module 33, as the result is shown and judging treatmenting module 34, the figure As the picture that defect recognition module 31 obtains industrial camera 2 identifies, the defect location module 33 is to defect in strip The position on surface is accurately positioned, it is described as the result is shown and judging treatmenting module 34 and autoalarm 4 by wired or Wirelessly connect.
The light source 1 and industrial camera 2 are provided with two groups, and wherein one group of light source 1 and industrial camera 2 are set to the one of strip Side, another one group of light source 1 and industrial camera 2 are set to the other side of strip.
The position that the light source 1 irradiates is strip close to the position of delivery roll.
The industrial camera 2 uses linear array CCD camera, and the number of every group of industrial camera 2 is 3-4.
The light source 1 uses LED linear condensation light source.
The online surface defects detection system of strip is as follows to the detecting step of belt steel surface:
S1: opening light source, and light source is radiated at strip close to the position of delivery roll, and industrial camera 2 obtains strip close to transmission The picture of roller position, and the picture is transmitted to processor 3;
S2: the image deflects identification module 31 of processor 3 is according to formula
Y=[x-127.5* (1-B)] * k+127.5* (1+B), k=tan ((45+44*c)/180*pi);
X is the pixel value before adjusting, and y is the pixel value after adjusting, and wherein B value [- 1,1], adjusts brightness;K is to adjust Contrast afterwards, tan (k) value [1,89]
Adjust the image pixel and contrast that S1 is obtained, and the difference stored in advance with image adjusted and processor 3 The defect picture of type is compared, if compare result be overlapped with the picture stored in advance if starting sound and light alarm module 32 And corresponding record is done on the picture;If compare result be not overlapped with the picture stored in advance, detect continue into Row;
In S3:S2 step when sound and light alarm module 32 start while, defect location module 33 start, in S2 step with The image that the picture stored in advance is overlapped is accurately positioned, and the specific location that the defect appears in belt steel surface is recorded;
The information and picture that S4:S3 is recorded are transmitted to as the result is shown and judging treatmenting module 34, as the result is shown and judgement Processing module 34 is to the details real-time display of defect picture and makes corresponding judgement, when periodic, successional appearance When same kind of defect, autoalarm 4 is run, and stops strip production process;When not occurring periodicity, continuity flaw When, detection system continues to run.
The flaw includes broken hole, roll marks, side splits, weighs wounded, scratching and patch.
The precision of the detection is 0.1mm-1.0mm, and detection speed is 600-800m/min.
The online surface defects detection system of the strip of the utility model, the position of light source irradiation are strip close to delivery roll Position, which can effectively prevent shaking in strip production process, obtains the inaccurate problem of photo so as to cause industrial camera;Strip Two sides are provided with light source and industrial camera, can two sides to strip detect simultaneously;The processor of detection system can The defective locations of strip are accurately positioned, defect type precise classification, when there is periodical and successional flaw, Neng Gouji When remind operator stop strip production process, be capable of effectively control strip production quality.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (5)

1. the online surface defects detection system of strip, including light source, industrial camera, processor and autoalarm, the detection System is connected with output strip line, it is characterised in that: the processor includes by wireless sequentially connected image deflects identification Module, sound and light alarm module, defect location module, as the result is shown and judging treatmenting module, described image defect recognition module pair The picture that industrial camera obtains is identified that it is accurately fixed that the defect location module carries out defect in the position of belt steel surface Position, it is described as the result is shown and judging treatmenting module and autoalarm pass through wired or wirelessly connect.
2. the online surface defects detection system of strip according to claim 1, it is characterised in that: the light source and industrial phase Machine is provided with two groups, and wherein one group of light source and industrial camera are set to the side of strip, another one group of light source and industrial camera setting In the other side of strip.
3. the online surface defects detection system of strip according to claim 1, it is characterised in that: the position of the light source irradiation Strip is set to close to the position of delivery roll.
4. the online surface defects detection system of strip according to claim 1, it is characterised in that: the industrial camera uses Linear array CCD camera, the number of every group of industrial camera are 3-4.
5. the online surface defects detection system of strip according to claim 1, it is characterised in that: the light source uses LED Linear concentrator light source.
CN201821091986.8U 2018-07-11 2018-07-11 The online surface defects detection system of strip Active CN208636227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821091986.8U CN208636227U (en) 2018-07-11 2018-07-11 The online surface defects detection system of strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821091986.8U CN208636227U (en) 2018-07-11 2018-07-11 The online surface defects detection system of strip

Publications (1)

Publication Number Publication Date
CN208636227U true CN208636227U (en) 2019-03-22

Family

ID=65736891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821091986.8U Active CN208636227U (en) 2018-07-11 2018-07-11 The online surface defects detection system of strip

Country Status (1)

Country Link
CN (1) CN208636227U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030503A (en) * 2018-07-11 2018-12-18 无锡赛默斐视科技有限公司 The online surface defects detection system of strip and its detection method
WO2023151249A1 (en) * 2022-02-10 2023-08-17 中冶南方工程技术有限公司 Online measurement system for surface cleanliness of cold-rolled strip steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030503A (en) * 2018-07-11 2018-12-18 无锡赛默斐视科技有限公司 The online surface defects detection system of strip and its detection method
WO2023151249A1 (en) * 2022-02-10 2023-08-17 中冶南方工程技术有限公司 Online measurement system for surface cleanliness of cold-rolled strip steel

Similar Documents

Publication Publication Date Title
CN109030503A (en) The online surface defects detection system of strip and its detection method
CN102218406B (en) Intelligent detection device of defects of mobile phone outer shell based on machine vision
CN206740668U (en) A kind of film defects online detection instrument
CN202330294U (en) Surface defect detection device based on machine vision
CN208636227U (en) The online surface defects detection system of strip
CN106093057A (en) A kind of online gluing detection method
KR101800597B1 (en) Apparatus for inspecting surface defects of a hot-dip coated steel sheet and method for inspecting surface defects
CN103196554A (en) System and method for testing and adjusting light intensity uniformity of light source
CN105158273A (en) Optical cable surface defect detecting system based on planar array CMOS cameras
CN104132621A (en) Inspection method of splicing portion of spliced screen
CN111707675A (en) Cloth surface flaw on-line monitoring device and monitoring method thereof
CN110426400A (en) For touch screen can operating space automatic polisher and its automatic method for polishing
US11150201B2 (en) System and method of detecting defect of optical film
US8610889B2 (en) Automated optical inspection device and calibration method thereof
CN202171575U (en) Machine vision detection device for detecting optics lens appearance
CN103389312A (en) Detection system for copper tube
WO2017049863A1 (en) Liquid crystal one drop filling system and control method
CN204373688U (en) A kind of electroplating assembly line outward appearance and dimension control equipment
CN203587517U (en) Capturing device for capturing object image and image detection device
WO2022224636A1 (en) Inspection device
CN205655799U (en) Metal sheet surface detection device that can adjusting position
CN205720029U (en) A kind of product appearance detecting system
CN110369335B (en) Full-automatic AOI (automatic optical inspection) backlight detection equipment
CN111947720A (en) Visual detection equipment for appearance quality of part and appearance quality detection method thereof
CN202693494U (en) Copper pipe detection system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant