CN106596574A - Device and method for detecting object surface defects - Google Patents
Device and method for detecting object surface defects Download PDFInfo
- Publication number
- CN106596574A CN106596574A CN201710023376.8A CN201710023376A CN106596574A CN 106596574 A CN106596574 A CN 106596574A CN 201710023376 A CN201710023376 A CN 201710023376A CN 106596574 A CN106596574 A CN 106596574A
- Authority
- CN
- China
- Prior art keywords
- light source
- detection window
- angle
- detection
- photoelectric sensor
- 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.)
- Granted
Links
- 230000007547 defect Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 97
- 239000003086 colorant Substances 0.000 claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
Landscapes
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a device for detecting object surface defects. The device comprises: a transmission mechanism, an image acquisition apparatus, a multi-angle light source, a controller and a power supply. The transmission mechanism is equipped with a detection window, wherein an inlet end and an outlet end of the detection window are respectively provided with a first photoelectric sensor and a second photoelectric sensor, the transmission mechanism is also equipped with a synchronous encoder, the output ends of the synchronous encoder, the first photoelectric sensor and the second photoelectric sensor are connected to the controller, the output end of the controller is connected to the image acquisition apparatus and the multi-angle light source, the power supply supplies power to the transmission mechanism, the controller, the image acquisition apparatus and the multi0angle light source. The invention also provides a method for detecting object surface defects. Light source groups with different angles and different colors are employed to present surface defects completely as far as possible, thereby improving the detection efficiency and precision.
Description
Technical field
The present invention relates to body surface defect detecting technique field, and in particular to a kind of device of detection object surface defect
And method.
Background technology
At present, existing vision industry, for minute surface or self-luminous Product checking, generally using the detection of single light source
Means, it is impossible to which multi-angle is detected to measured object, and then cannot find fine defects of the measured object in a certain angle, and Jing is normal
Make to be come into the market with defective product, brand image is adversely affected.
Carry out detecting to be a kind of universal application to body surface open defect using automatic optical detection method, increasingly
Many industries receive the automatic optical detector (AOI) based on the method for optical detection, because the characteristic of material is limited, some
Open defect can not go observation from a single angle, and must from different angles go observation just can detect, whether
Manual Visual Inspection, or using optics AOI equipment, automatic detection is carried out, the angle observed or take pictures all must be converted could be reached
To Detection results, external to have patent to this, its method and step is as follows：Body surface image is shot using line scan camera；It is polygonal
Degree light source, while or timesharing illumination；The different angle of correspondence, obtains corresponding multiple image；Every piece image is carried out respectively
Process and analyze；All images are combined, to photograph all of flaw.
The problem that said method or its similar approach are present is as follows：
1st, the camera of high-speed capture is needed, usually particularly customized line-scan digital camera, cost is high；
2nd, the cooperation between camera and light source is complex, light source controller output signal be variable-frequency pulse, light source igniting
Time delay influences whether frequency of taking pictures, and thus can affect frame per second, reduces detection speed.
The content of the invention
The present invention is directed to above-mentioned technical problem, it is proposed that a kind of device and method of detection object surface defect.
The technical scheme is that：A kind of device of detection object surface defect, including：Connecting gear, IMAQ
Device, multi-angle light source, controller and power supply, arrange detection window, the wherein entrance point of detection window on the connecting gear
The first photoelectric sensor and the second photoelectric sensor are respectively provided with the port of export, on the connecting gear synchronous coding is also set up
Device, the output end connection controller of the synchronization encoders, the first photoelectric sensor and the second photoelectric sensor, the controller
Output end connection image collecting device and multi-angle light source, the power supply be connecting gear, controller, image collecting device and
Multi-angle light source power supply.
Further, the multi-angle light source is the light source group with multi-angle different colours, wherein multi-angle difference face
The light source group of color carries out decile to 0-90 degree space.
Further, the multi-angle light source specially has the light source group of 8 angle different colours.
The present invention also provides a kind of method of detection object surface defect, including：
Multi-angle light source receives trigger and detection window is irradiated；
Image collecting device is taken pictures in time interval point to detection window, forms image sets；
Every two field picture in image sets is divided into multiple single angular illumination faces according to multiple angular illumination positions；
How single angular illumination face that all of two field picture is split is spliced into according to same angle sequential combination multiple same
Angular illumination image；
Multiple same angular illumination images are carried out with graphical analysis, defect information is obtained.
Further, the multi-angle light source receives trigger and detection window is irradiated, and specifically includes：Pass through
When the second photoelectric sensor for being arranged on the detection window port of export detects object under test, detection signal is sent to controller, led to
Cross controller generation trigger and be sent to multi-angle light source, multi-angle light source is irradiated to detection window position.
Further, image collecting device is taken pictures in time interval point to detection window, forms image sets；Concrete bag
Include：
The encoder for arranging on the transfer mechanism is detected to the speed of connecting gear, so as to obtain detecting window at per section
Under the distance of mouth length, time interval used, when time spaced points are reached, controller sends to image collecting device and triggers
Signal, control image collecting device is taken pictures to detection window position, and the entirety for being sequentially completed measuring targets is taken pictures.
Further, the arrival end of the detection window arranges the first photoelectric sensor, when the first photoelectric sensor is not examined
Signal is measured, when the second photoelectric sensor detects signal, controller control multi-angle light source and image collecting device close electricity
Source.
Further, the multi-angle light source is the light source group of multi-angle different colours.
Further, the multi-angle light source is 8 angle light sources, and wherein irradiating angle is 0-90 ° of space decile.
Beneficial effects of the present invention：
The present invention provides a kind of device and method of detection object surface defect, under the drive of connecting gear, is placed on
Object under test on connecting gear moves to detection window, and detection window is irradiated by multi-angle light source, due to adopting
The light source group of multi-angle different colours, the illumination that will have multiple different colours on detection window, because light source group is decile knot
Structure, therefore the illuminating area of the different colours on detection window is identical, is easy to the segmentation of later image, by synchronization encoders
Image collecting device triggered time interval is calculated so that the distance of transmission mechanism transmission shoots same with image collecting device
Step, can so obtain the complete image of taking pictures of object under test, and anti-leak-stopping is clapped, and improves detection efficiency and precision.
Description of the drawings
Fig. 1 is a kind of structure drawing of device of detection object surface defect proposed by the present invention；
Fig. 2 is the enlarged drawing of volume detection window described in Fig. 1；
Fig. 3 is detection window picture-taking position distribution map in Fig. 2；
Fig. 4 is a kind of method Synchronization Control exploded view of detection object surface defect proposed by the present invention；
Fig. 5 is a kind of detection object surface defect Synchronization Control sequential chart proposed by the present invention.
Shown in figure：1st, connecting gear；2nd, detection window；3rd, the first photoelectric sensor；4th, the second photoelectric sensor；5th, scheme
As harvester；6th, multi-angle light source；7th, controller；8th, synchronization encoders；9th, power supply.
Specific embodiment
It is a kind of structure drawing of device of detection object surface defect proposed by the present invention referring to Fig. 1.
As shown in figure 1, a kind of device of detection object surface defect, including：It is connecting gear 1, image collecting device 5, many
Angle light source 6, controller 7 and power supply 9, on the connecting gear 1 arrange detection window 2, wherein the entrance point of detection window 2 and
The port of export is respectively provided with the first photoelectric sensor 3 and the second photoelectric sensor 4, and on the connecting gear 1 synchronous coding is also set up
Device 8, the output end connection controller 7 of the synchronization encoders 8, the first photoelectric sensor 3 and the second photoelectric sensor 4 is described
The output end connection image collecting device 5 of controller 7 and multi-angle light source 6, the power supply 9 is connecting gear 1, controller 7, figure
As harvester 5 and multi-angle light source 6 are powered.
In the embodiment of the present invention, under the drive of connecting gear, the object under test placed on the transfer mechanism moves to inspection
Window is surveyed, when the front end of object under test is moved at the second photoelectric sensor, the second photoelectric sensor to control signal sends
First photographing signals, start multi-angle light source, and start image collecting device and detection window is taken pictures, when object under test is moved
Detection window lower section is moved, the photoelectric sensor for being arranged on the detection window port of export is sent to trigger in controller, leads to
Cross controller to be controlled multi-angle light source and image collecting device, on the conveyer of object under test encoder also set up,
For measuring to transmitting range and speed, image collecting device triggered time interval is counted by synchronization encoders
Calculate so that the distance of transmission mechanism transmission is synchronous with image collecting device shooting, can so obtain the complete bat of object under test
According to image, anti-leak-stopping is clapped, and improves detection efficiency and precision.
Referring to Fig. 2 and Fig. 3, wherein Fig. 2 is the detection window enlarged drawing described in Fig. 1；Fig. 3 is that detection window is clapped in Fig. 2
According to location map.
As shown in Figures 2 and 3, multi-angle light source is the light source group with multi-angle different colours, and wherein multi-angle is different
The light source group of color carries out decile to 0-90 degree space.Wherein a point detection windows starting point, the width of ab are the irradiations of light source group
One face width of taking pictures, is designated as single source shadow surface width l, and the width of ac is the width of detection window, is designated as L, so will
The face of taking pictures of the different colours of detection window decile, for late detection foundation is provided.
Further, the multi-angle light source specially has the light source group of 8 angle different colours.
In the embodiment of the present invention, detection window is irradiated by multi-angle light source, due to using multi-angle difference face
The light source group of color, the illumination that will have multiple different colours on detection window, because light source group is repetitional structure, therefore in detection
The illuminating area of the different colours on window is identical, is easy to the segmentation of later image, it is preferred that multi-angle light source adopts 8 angles
0-90 degree space decile can be adopted successively the light source of red, green, blue and white red, green, blue and white that detection window is divided into into 8 faces of taking pictures by degree,
Can be using other quantity or other color combinations, the invention is not limited in this regard.
A kind of method of detection object surface defect that the present invention is provided, including：
Multi-angle light source receives trigger and detection window is irradiated；
Image collecting device is taken pictures in time interval point to detection window, forms image sets；
Every two field picture in image sets is divided into multiple single angular illumination faces according to multiple angular illumination positions；
How single angular illumination face that all of two field picture is split is spliced into according to same angle sequential combination multiple same
Angular illumination image；
Multiple same angular illumination images are carried out with graphical analysis, defect information is obtained.
Further, the multi-angle light source receives trigger and detection window is irradiated, and specifically includes：Pass through
When the second photoelectric sensor for being arranged on the detection window port of export detects object under test, detection signal is sent to controller, led to
Cross controller generation trigger and be sent to multi-angle light source, multi-angle light source is irradiated to detection window position.
Further, image collecting device is taken pictures in time interval point to detection window, forms image sets；Concrete bag
Include：
The encoder for arranging on the transfer mechanism is detected to the speed of connecting gear, so as to obtain detecting window at per section
Under the distance of mouth length, time interval used, when time spaced points are reached, controller sends to image collecting device and triggers
Signal, control image collecting device is taken pictures to detection window position, and the entirety for being sequentially completed measuring targets is taken pictures.
Further, the arrival end of the detection window arranges the first photoelectric sensor, when the first photoelectric sensor is not examined
Signal is measured, when the second photoelectric sensor detects signal, controller control multi-angle light source and image collecting device close electricity
Source.
In the embodiment of the present invention, by arranging the first photoelectric sensor, it is combined as detection with the second photoelectric sensor and treats
Survey object and all shoot the information collecting device for completing, i.e., when the first photoelectric sensor and the second photoelectric sensor are detected first
During to object under test, multi-angle light source and image collecting device start, when the first photoelectric sensor is not detected by object under test, and
When second photoelectric sensor detects object under test, multi-angle light source and image collecting device are closed, so in total system
During operation, it is capable of the opening and closing of automatic control equipment, it is simple to operate, and can be reached according to Site Detection real-time control
To energy-saving effect.
Further, the multi-angle light source is the light source group of multi-angle different colours.
Further, the multi-angle light source is 8 angle light sources, and wherein irradiating angle is 0-90 ° of space decile.
It is a kind of method Synchronization Control exploded view of detection object surface defect proposed by the present invention referring to Fig. 4.
As shown in figure 4, a kind of Synchronization Control process of detection object surface defect of present invention offer is specially：When tested
When device is moved along the direction of the arrow in Figure with speed V, when c points are moved to by detection means, light source group is triggered to detection window
It is irradiated, camera is taken pictures in certain time delay post-exposure to detection window, obtains a frame picture, when tested device is along figure
Middle direction of arrow movement single source shadow surface width l apart from when, light source triggers again and detection window is irradiated, and camera exists
Certain time delay post-exposure obtains next frame picture.The scope that wherein camera is taken pictures every time is the width L, l=L/ of detection window
8。
In the embodiment of the present invention, irradiated using multi-angle light source, different angles adopts the light source of different colours, the present invention
Angle number is not limited, the technical scheme that present invention record can have been realized is defined, it is preferred that using 8 angles, to 0-
90 ° of space carries out decile, is encoded by different colours combination, and for example with 8 kinds of colors 8 angles are corresponding in turn to,
Can be encoded using four kinds of color combinations, such as：Red, green, blue, white, red, green, blue, white, 8 angles of correspondence decile.
Due to arranging detection window, the sub-fraction that the visual field is testee is clapped by image collecting device, will be treated
Survey object to move in one direction relative to image collecting device, it is possible to achieve object under test surface entire scan is detected.
For image collecting device, a width figure is often obtained, putting in order according to color component is cut into 88 components
Subgraph, determines the subgraph for coming and is spliced with next frame figure, so scans down, it is possible to obtain the big figure of 8 width, if synchronous
What is controlled is good, and per width, big figure is a kind of color, will not chaotic other colors.
In order to improve the resolution ratio of scanning direction, the object range of covering of taking pictures every time accounts for camera fields of view also very than relatively thin
Thin, such as, camera resolution is 2048*1088,80*1088 between only taking every time, and the result of so windowing is that frame per second can be carried
Height, beyond 80 lines where do not expose.
For the time interval of image collecting device is obtained by synchronization encoders, initial time of taking pictures is by encoder count
Be given, the length of such as detection window is L, and the speed of service of connecting gear is V, then time interval T of image collecting device
For：
T=L/V；
During above-mentioned time interval is obtained, if sweep speed is uniform, every frame of image collecting device
The shooting interval time of image is identical, but when sweep speed be change, per two field picture shoot time interval
Differ, so T needs constantly to calculate update, although L can be confirmed by measuring, simply output design in practical operation
Value, is finely adjusted according to the display result for obtaining image to L, when color of image is stable.Whole Synchronization Control sequential chart
Referring to Fig. 5.
The present invention is described in detail above, but the invention is not restricted to above-mentioned embodiment, it is common in this area
In the ken that technical staff possesses, can be making a variety of changes on the premise of without departing from present inventive concept.Do not take off
Many other changes and remodeling can be made from the spirit and scope of the present invention.It should be appreciated that the invention is not restricted to specific reality
Mode is applied, the scope of the present invention is defined by the following claims.
Claims (9)
1. a kind of device of detection object surface defect, it is characterised in that include：Connecting gear, image collecting device, multi-angle
Light source, controller and power supply, arrange detection window on the connecting gear, the wherein entrance point of detection window and the port of export is distinguished
First photoelectric sensor and the second photoelectric sensor are set, synchronization encoders, the synchronous volume are also set up on the connecting gear
The output end connection controller of code device, the first photoelectric sensor and the second photoelectric sensor, the output end connection of the controller
Image collecting device and multi-angle light source, the power supply is that connecting gear, controller, image collecting device and multi-angle light source are supplied
Electricity.
2. a kind of device of detection object surface defect according to claim 1, it is characterised in that the multi-angle light source
It is the light source group with multi-angle different colours, the wherein light source group of multi-angle different colours carries out decile to 0-90 degree space.
3. a kind of device of detection object surface defect according to claim 1, it is characterised in that the multi-angle light source
Specially there is the light source group of 8 angle different colours.
4. a kind of method of detection object surface defect, including：
Multi-angle light source receives trigger and detection window is irradiated；
Image collecting device is taken pictures in time interval point to detection window, forms image sets；
Every two field picture in image sets is divided into multiple single angular illumination faces according to multiple angular illumination positions；
How single angular illumination face that all of two field picture is split is spliced into into multiple same angles according to same angle sequential combination
Irradiation image；
Multiple same angular illumination images are carried out with graphical analysis, defect information is obtained.
5. a kind of method of detection object surface defect according to claim 4, it is characterised in that the multi-angle light source
Receive trigger to be irradiated detection window, specifically include：By the second photoelectricity for being arranged on the detection window port of export
When sensor detects object under test, detection signal is sent to controller, be sent to by controller generation trigger polygonal
Degree light source, multi-angle light source is irradiated to detection window position.
6. the method for a kind of detection object surface defect according to claim 5, it is characterised in that the detection window
Arrival end arranges the first photoelectric sensor, and when the first photoelectric sensor is not detected by signal, the second photoelectric sensor detects letter
Number when, controller control multi-angle light source and image collecting device close power supply.
7. the method for a kind of detection object surface defect according to claim 4, it is characterised in that image collecting device exists
Time interval point is taken pictures to detection window, forms image sets；Specifically include：
The encoder for arranging on the transfer mechanism is detected to the speed of connecting gear, long in every section of detection window so as to obtain
Under the distance of degree, time interval used, when time spaced points are reached, controller to image collecting device sends triggering letter
Number, control image collecting device is taken pictures to detection window position, and the entirety for being sequentially completed measuring targets is taken pictures.
8. a kind of method of detection object surface defect according to claim 4, it is characterised in that the multi-angle light source
For the light source group of multi-angle different colours.
9. a kind of method of detection object surface defect according to claim 4, it is characterised in that the multi-angle light source
For 8 angle light sources, wherein irradiating angle is 0-90 ° of space decile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023376.8A CN106596574B (en) | 2017-01-13 | 2017-01-13 | Device and method for detecting surface defects of object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023376.8A CN106596574B (en) | 2017-01-13 | 2017-01-13 | Device and method for detecting surface defects of object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106596574A true CN106596574A (en) | 2017-04-26 |
| CN106596574B CN106596574B (en) | 2023-09-22 |
Family
ID=58584754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710023376.8A Active CN106596574B (en) | 2017-01-13 | 2017-01-13 | Device and method for detecting surface defects of object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106596574B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234074A (en) * | 2017-07-19 | 2017-10-10 | 合肥泰禾光电科技股份有限公司 | A kind of timesharing LED double infrared online material sorting devices and method for separating |
| CN107945180A (en) * | 2017-12-26 | 2018-04-20 | 浙江大学台州研究院 | Come from the visible detection method of the shallow cut in quartz wafer surface of polishing |
| CN109030512A (en) * | 2018-08-23 | 2018-12-18 | 红塔烟草(集团)有限责任公司 | Plume one camera repeats vision inspection apparatus and method |
| CN109358068A (en) * | 2018-11-13 | 2019-02-19 | 中国科学院光电技术研究所 | Flaw detection device and method for large-caliber plane mirror based on line scanning and annulus splicing |
| CN109682836A (en) * | 2019-01-29 | 2019-04-26 | 安徽利珀科技有限公司 | A kind of defect detecting device |
| CN110378327A (en) * | 2019-07-09 | 2019-10-25 | 浙江大学 | Add the object detecting device and method of complementary notable feature |
| CN110632087A (en) * | 2019-11-06 | 2019-12-31 | 合肥泰禾光电科技股份有限公司 | Surface defect detection device |
| CN110987804A (en) * | 2019-12-13 | 2020-04-10 | 苏州精濑光电有限公司 | Display panel macro inspection equipment and illumination control device and method thereof |
| CN111007075A (en) * | 2020-01-03 | 2020-04-14 | 佛亚智能装备（苏州）有限公司 | Method for shooting surface defects of engine precision part by multi-angle switching light source |
| CN111307825A (en) * | 2020-04-08 | 2020-06-19 | 山东交通学院 | Detection method for pit defects on the surface of wood planks |
| CN111617971A (en) * | 2020-05-27 | 2020-09-04 | 北京谛测科技有限公司 | Bobbin yarn detection system, method and device |
| CN113340905A (en) * | 2021-06-01 | 2021-09-03 | 深圳市立德通讯器材有限公司 | Display screen assembly connecting terminal appearance detection equipment and method |
| CN113376164A (en) * | 2020-03-10 | 2021-09-10 | 觉芯电子(无锡)有限公司 | Surface scratch detection method and device |
| CN114235830A (en) * | 2022-01-12 | 2022-03-25 | 佛山市煜丰机械有限公司 | Intelligent long-code zipper detection machine and detection method thereof |
| CN114527141A (en) * | 2021-12-31 | 2022-05-24 | 广西慧云信息技术有限公司 | Shaving board surface defect collection system |
| CN114757218A (en) * | 2022-04-26 | 2022-07-15 | 中冶赛迪重庆信息技术有限公司 | A kind of bar information identification method, device, equipment and medium |
| CN115494065A (en) * | 2022-04-28 | 2022-12-20 | 浙江大学台州研究院 | A defect judgment method and device for pipe flaring based on positive light image |
| TWI866395B (en) * | 2023-08-16 | 2024-12-11 | 開必拓數據股份有限公司 | Hybrid trigger method for line scan camera, electronic device and defect inspection system |
| NL2035421B1 (en) * | 2023-07-19 | 2025-01-30 | Univ Southwest Forestry | Acquisition device for board surface images based on machine vision |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007240431A (en) * | 2006-03-10 | 2007-09-20 | Omron Corp | Defect inspection device and defect inspection method |
| JP2010117322A (en) * | 2008-11-14 | 2010-05-27 | Nippon Steel Corp | Surface flaw inspection device, method and program for surface flaw inspection |
| CN102305793A (en) * | 2011-05-11 | 2012-01-04 | 苏州天准精密技术有限公司 | Method and equipment for detecting appearance quality of product |
| CN102830123A (en) * | 2012-08-16 | 2012-12-19 | 北京科技大学 | On-line detection method of small defect on metal plate strip surface |
| CN103884650A (en) * | 2014-03-28 | 2014-06-25 | 北京大恒图像视觉有限公司 | Multi-photosource linear array imaging system and method |
-
2017
- 2017-01-13 CN CN201710023376.8A patent/CN106596574B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007240431A (en) * | 2006-03-10 | 2007-09-20 | Omron Corp | Defect inspection device and defect inspection method |
| JP2010117322A (en) * | 2008-11-14 | 2010-05-27 | Nippon Steel Corp | Surface flaw inspection device, method and program for surface flaw inspection |
| CN102305793A (en) * | 2011-05-11 | 2012-01-04 | 苏州天准精密技术有限公司 | Method and equipment for detecting appearance quality of product |
| CN102830123A (en) * | 2012-08-16 | 2012-12-19 | 北京科技大学 | On-line detection method of small defect on metal plate strip surface |
| CN103884650A (en) * | 2014-03-28 | 2014-06-25 | 北京大恒图像视觉有限公司 | Multi-photosource linear array imaging system and method |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234074A (en) * | 2017-07-19 | 2017-10-10 | 合肥泰禾光电科技股份有限公司 | A kind of timesharing LED double infrared online material sorting devices and method for separating |
| CN107945180A (en) * | 2017-12-26 | 2018-04-20 | 浙江大学台州研究院 | Come from the visible detection method of the shallow cut in quartz wafer surface of polishing |
| CN109030512A (en) * | 2018-08-23 | 2018-12-18 | 红塔烟草(集团)有限责任公司 | Plume one camera repeats vision inspection apparatus and method |
| CN109358068A (en) * | 2018-11-13 | 2019-02-19 | 中国科学院光电技术研究所 | Flaw detection device and method for large-caliber plane mirror based on line scanning and annulus splicing |
| CN109682836A (en) * | 2019-01-29 | 2019-04-26 | 安徽利珀科技有限公司 | A kind of defect detecting device |
| CN110378327A (en) * | 2019-07-09 | 2019-10-25 | 浙江大学 | Add the object detecting device and method of complementary notable feature |
| CN110632087A (en) * | 2019-11-06 | 2019-12-31 | 合肥泰禾光电科技股份有限公司 | Surface defect detection device |
| CN110987804A (en) * | 2019-12-13 | 2020-04-10 | 苏州精濑光电有限公司 | Display panel macro inspection equipment and illumination control device and method thereof |
| CN111007075A (en) * | 2020-01-03 | 2020-04-14 | 佛亚智能装备（苏州）有限公司 | Method for shooting surface defects of engine precision part by multi-angle switching light source |
| CN113376164A (en) * | 2020-03-10 | 2021-09-10 | 觉芯电子(无锡)有限公司 | Surface scratch detection method and device |
| CN111307825A (en) * | 2020-04-08 | 2020-06-19 | 山东交通学院 | Detection method for pit defects on the surface of wood planks |
| CN111307825B (en) * | 2020-04-08 | 2023-05-02 | 山东交通学院 | Detection method of surface pit defect of wooden board |
| CN111617971A (en) * | 2020-05-27 | 2020-09-04 | 北京谛测科技有限公司 | Bobbin yarn detection system, method and device |
| CN113340905A (en) * | 2021-06-01 | 2021-09-03 | 深圳市立德通讯器材有限公司 | Display screen assembly connecting terminal appearance detection equipment and method |
| CN114527141A (en) * | 2021-12-31 | 2022-05-24 | 广西慧云信息技术有限公司 | Shaving board surface defect collection system |
| CN114235830A (en) * | 2022-01-12 | 2022-03-25 | 佛山市煜丰机械有限公司 | Intelligent long-code zipper detection machine and detection method thereof |
| CN114235830B (en) * | 2022-01-12 | 2024-02-20 | 佛山市煜丰机械有限公司 | Intelligent long-code zipper detection machine and detection method thereof |
| CN114757218A (en) * | 2022-04-26 | 2022-07-15 | 中冶赛迪重庆信息技术有限公司 | A kind of bar information identification method, device, equipment and medium |
| CN115494065A (en) * | 2022-04-28 | 2022-12-20 | 浙江大学台州研究院 | A defect judgment method and device for pipe flaring based on positive light image |
| CN115494065B (en) * | 2022-04-28 | 2025-06-27 | 浙江大学台州研究院 | A defect judgment method and device for pipe expansion based on positive light image |
| NL2035421B1 (en) * | 2023-07-19 | 2025-01-30 | Univ Southwest Forestry | Acquisition device for board surface images based on machine vision |
| TWI866395B (en) * | 2023-08-16 | 2024-12-11 | 開必拓數據股份有限公司 | Hybrid trigger method for line scan camera, electronic device and defect inspection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106596574B (en) | 2023-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106596574A (en) | Device and method for detecting object surface defects | |
| CN206362717U (en) | A kind of device of detection object surface defect | |
| CN206114546U (en) | Printing defect vision detection system | |
| KR101246958B1 (en) | Specimen inspecting apparatus using multi-line senser camera and multi-light | |
| CN106468668A (en) | Industrial camera cylinder detection method | |
| CN210546412U (en) | Inductance outward appearance check out test set | |
| JP7266656B2 (en) | Group transfer and inspection unit consisting of elongated elements | |
| CN105911067A (en) | Cable protective jacket surface defect detector and detection method thereof | |
| CN102053091A (en) | Vision detection device used for detecting defects on surface of plastic medicine bottle | |
| CN201094003Y (en) | Special device of tile detection based on machine vision | |
| CN208194985U (en) | Plank screening installation | |
| CN106018430A (en) | Six-surface vision detecting device and control method thereof | |
| CN106706656A (en) | Machine vision-based zipper detection device and method | |
| CN208333374U (en) | Pipe inner stuffing position detecting device | |
| JPH10282063A (en) | Surface flaw automatic inspection equipment | |
| CN208350678U (en) | Transparent vessel oral area crackle on-line measuring device | |
| TW201235634A (en) | Light irradiation device and dimming method | |
| KR100863341B1 (en) | FPD substrate and semiconductor wafer inspection system using overlapping images | |
| CN207081666U (en) | A kind of zipper detecting device based on machine vision | |
| CN212220754U (en) | A cigarette rod anti-white detection system for packaging machine | |
| CN110095474A (en) | A kind of bandage screened based on machine vision and flaw is around winding apparatus and bandage winding method | |
| CN105784718A (en) | Finished cable appearance inspection equipment | |
| CN207472789U (en) | A kind of rotary plane multiple spot vision detection system | |
| CN105910534A (en) | Rubber and plastic product geometric quantity measurement system | |
| JP2004138417A (en) | Steel plate flaw inspection method and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |