CN103901044A - Detection system - Google Patents
Detection system Download PDFInfo
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- CN103901044A CN103901044A CN201210578479.8A CN201210578479A CN103901044A CN 103901044 A CN103901044 A CN 103901044A CN 201210578479 A CN201210578479 A CN 201210578479A CN 103901044 A CN103901044 A CN 103901044A
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Abstract
The invention provides a detection system used for detecting flaws on the surface of an object to be detected. The detection system comprises: a rotating table, wherein the rotating table comprises a bearing desk and a drive unit, the bearing desk is used for bearing the object to be detected, and the drive unit is used for driving the bearing desk to rotate along an axis on a plane where the bearing desk is located; a shooting unit used for shooting the images of the to-be-detected object disposed on the bearing desk; and a processing unit which controls the drive unit to drive rotation of the bearing desk, controls the shooting unit to shoot the images of the to-be-detected object rotating to different angles with the bearing desk and determines whether the surface of the to-be-detected object has flaws through analyzing the obtained images of the to-be-detected object at a plurality of angles. The detection system provided by the invention realizes more accurate and high efficiency determination of flaws on the surface of the object to be detected.
Description
Technical field
The present invention relates to detection system, particularly a kind of for detection of object surface to be measured detection system whether defective.
Background technology
On production line, product machines generally all needs operating personnel to check by visual inspection whether the outward appearance of product has the flaw such as scratch, spot afterwards, does not have product defective could serve as specification product through checking.But not only inefficiency of the mode of this visual inspection, and easily there is the situations such as undetected, erroneous judgement.
Summary of the invention
In view of this, be necessary to provide a kind of detection system, whether have flaw for the surface of detecting efficiently, accurately object to be measured.
A kind of detection system, for detection of the flaw of object surface to be measured, this detection system comprises: pedestal; Universal stage, this universal stage comprises plummer and drive unit, this plummer is used for carrying this object to be measured, this drive unit is arranged on this pedestal, for drive this plummer along a central axis at this plummer place Plane Rotation; Support, is arranged at a side of this pedestal; Image unit, is arranged on this support, is positioned at directly over this plummer and towards this plummer setting, follows this plummer and turn to the image of different angles for taking the object to be measured being positioned on this plummer; Lighting unit, is arranged at the below of image unit on this support, for irradiating the object to be measured being placed on plummer; And processing unit, this processing unit comprises control module, image collection module and judge module, the rotation that this control module drives for controlling this drive unit, also takes this object to be measured with this image unit of control and follows the image of this plummer while turning to different angles; This image collection module is for obtaining the image of multiple angles of the object to be measured photographing from this image unit; This judge module determines by the image of multiple angles of this object to be measured of analyzing this image collection module and getting whether this object surface to be measured has flaw.
Pick-up unit in the present invention, drives plummer to drive object to be measured to rotate by drive unit, makes the image that this image unit can this object to be measured of multi-angled shooting, thus make to the judgement of object surface flaw to be measured more accurately, efficient.
Accompanying drawing explanation
Fig. 1 is the perspective view of detection system in an embodiment of the present invention.
Fig. 2 is the functional module framework schematic diagram of the detection system shown in Fig. 1.
Main element symbol description
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100 |
| Object to be measured | 200 |
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10 |
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20 |
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21 |
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22 |
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23 |
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231 |
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232 |
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30 |
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31 |
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40 |
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50 |
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51 |
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52 |
| Processing unit | 60 |
| Control module | 61 |
| Image collection module | 62 |
| Judge module | 63 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the detection system in the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, whether the detection system 100 in the present invention's one preferred embodiments has flaw, such as scratch, spot etc. for detection of object to be measured 200 surfaces.This detection system 100 comprises pedestal 10, universal stage 20, support 30, image unit 40, lighting unit 50 and processing unit 60.
This pedestal 10 is a platform, and this universal stage 20 is arranged on this pedestal 10, for carrying object 200 to be measured.This universal stage 20 comprises plummer 21, drive unit 22 and stationary installation 23.This drive unit 22 is fixedly installed on this pedestal 10, this plummer 21 is a platform, it is rotationally connected with on this pedestal 10 by this drive unit 22, this plummer 21 under the driving of this drive unit 22 along a central axis Plane Rotation at these plummer 21 places.In the present embodiment, this drive unit 22 is the motor being connected with this plummer 21, this motor drive this plummer 21 along a central axis at these plummer 21 place rotation with in surfaces.Be understandable that, in other embodiments, this drive unit 22 can also comprise the gear (not shown) that can rotate under motor drives, on this plummer 21, also can be provided with gear (not shown), this drive unit 22 can be by this plummer 21 of gear drive along a central axis at these plummer 21 place rotation with in surfaces.This stationary installation 23 is arranged on this plummer 21 surface away from pedestal 10, for object 200 to be measured is fixed on to this plummer 21.In the present embodiment, this stationary installation 23 comprises two fixture blocks that are oppositely arranged 231, the side that these two fixture blocks 231 deviate from mutually is all connected on this plummer 21 by elastic component 232, and under original state, the distance between these two fixture blocks 231 is less than the width of this object 200 to be measured.In the time that object 200 to be measured is placed between these two fixture blocks 231, this elastic component 232 is compressed, thereby the restoring force of this elastic component 232 promotes these two fixture blocks 231, this object 200 to be measured is fixedly clamped.In other embodiments, this stationary installation 23 can be also snap fit etc. other can play the structure of fixation.Be understandable that, in other embodiments, this stationary installation 23 also can be omitted, and this object 200 to be measured can directly be placed on this plummer 21.
This support 30 is shaft-like, and it is vertically fixed on a side of this pedestal 10.This support 30 vertically extends a kink 31 away from one end of pedestal 10, this kink 31 be positioned at this pedestal 10 directly over and parallel with this pedestal 10.
This image unit 40 is fixedly installed on this kink 31, arranges, for taking the image that is positioned over the object to be measured 200 on this plummer 21 towards this plummer 21.In the present embodiment, this image unit 40 is a camera.
This lighting unit 50 comprises the framework 51 being fixedly installed on support 30 and the light source 52 arranging along this framework 51.This framework 51 be positioned at this image unit 40 under, the opening that this image unit of the plane at these framework 51 places and this pedestal 10 place plane parallel 40 sees through these framework 51 centers is taken the object to be measured 200 on this plummer 21.The light that this light source 52 sends is radiated at the object to be measured 200 being positioned on plummer 21, makes the image of this object 200 to be measured that this image unit 40 photographs more clear.In the present embodiment, being shaped as of this framework 51 is square, and in other embodiments, this framework 51 can be other shapes.In the present embodiment, the light source 52 in this lighting unit 50 can opening and closing under the control of a keyswitch (not shown).
In the present embodiment, this processing unit 60 is arranged at the inside of this pedestal 10 or support 30.This processing unit 60 comprises control module 61, image collection module 62 and judge module 63.This control module 61 communicates with this drive unit 22 and this image unit 40, be used for controlling this drive unit 22 and drive these plummers 21 to rotate, also control this image unit 40 simultaneously and take these objects 200 to be measured and follow the image of this plummer 21 while turning to different angles.In the present embodiment, this control module 61 can respond user by an object 200 to be measured is carried out to this drive unit 22 in a test process the driving the time interval between number of times and each angle, every twice rotation of rotating that these plummers 21 rotate of the external input equipment such as keyboard (not shown) input, and time interval between twice test is set.
For example, user can arrange this this drive unit 22 of control module 61 controls and drive these plummers 21 in to the test process of an object 200 to be measured, to rotate four times, each 90 degree that rotate, each rotation is spaced apart 0.5 second, the time interval between twice test is 5 seconds, this control module 61 is controlled these image units 40 each rotation in test once and interval time this object 200 to be measured is taken pictures simultaneously, the object to be measured 200 that user can also more renew in 5 seconds at twice test interval.
This image collection module 62 is for obtaining the image of multiple angles of this object 200 to be measured photographing each test process from this image unit 40.This judge module 63 compares for the image of this object 200 to be measured of each test process that this is got and pre-stored master sample image.When the image of determining this object 200 to be measured each angle in this test process that this image unit 40 takes when this judge module 63 is all identical with master sample image, determine that these object to be measured 200 surfaces do not have flaw, for specification product, otherwise, this judge module 63 determines that there is flaw on these object to be measured 200 surfaces, is substandard product.
In another embodiment, obtain the spectrogram of those images thereby the image of multiple angles of this object 200 to be measured that this judge module 63 obtains this image collection module 62 carries out Fourier transform, this judge module 63 determines by those images being carried out to spectrum analysis whether the surface of this object 200 to be measured has flaw.Be prior art owing to adopting image spectrum analysis to carry out Defect Detection, therefore do not repeat them here.
This judge module 63 is also controlled output device output information prompting user testing result.In the present embodiment, this judge module 63 is controlled the sound-producing device information prompting user testing result of sounding.Be understandable that, in other embodiments, this judge module 63 can be controlled display device display text information prompting user testing result, can also control luminescence component by sending different colours light as information prompting user testing result.In other embodiments, this processing unit 60 also can be arranged in a peripherals, and as computer, this processing unit 60 communicates by wired mode with this drive unit 22 and this image unit 40.
Pick-up unit in the present invention, drive plummer 21 to drive object 200 to be measured to rotate by drive unit 22, make the image that this image unit 40 can this object 200 to be measured of multi-angled shooting, thereby make the judgement of object surface flaw to be measured precise and high efficiency more.
Although the preferred embodiment of the present invention is illustrated and is described, those skilled in the art will realize, and can make various changes and improvements, and these do not exceed true scope of the present invention.Therefore expect, the present invention is not limited to disclosed conduct and realizes the embodiment of the contemplated optimal mode of the present invention, and all embodiments that the present invention includes have in the protection domain of appended claims.
Claims (10)
1. a detection system, for detection of the flaw of object surface to be measured, is characterized in that, this detection system comprises:
Pedestal;
Universal stage, this universal stage comprises plummer and drive unit, this plummer is used for carrying this object to be measured, this drive unit is arranged on this pedestal, for drive this plummer along a central axis at this plummer place Plane Rotation;
Support, is arranged at a side of this pedestal;
Image unit, is arranged on this support, is positioned at directly over this plummer and towards this plummer setting, follows this plummer and turn to the image of different angles for taking the object to be measured being positioned on this plummer;
Lighting unit, is arranged at the below of image unit on this support, for irradiating the object to be measured being placed on plummer; And
Processing unit, this processing unit comprises control module, image collection module and judge module, the rotation that this control module drives for controlling this drive unit, also takes this object to be measured with this image unit of control and follows the image of this plummer while turning to different angles; This image collection module is for obtaining the image of multiple angles of the object to be measured photographing from this image unit; This judge module determines by the image of multiple angles of this object to be measured of analyzing this image collection module and getting whether this object surface to be measured has flaw.
2. detection system as claimed in claim 1, it is characterized in that, on this plummer, be also provided with the stationary installation for fixing this object to be measured, this stationary installation comprises two fixture blocks, the side that these two fixture blocks deviate from mutually is all connected on this plummer by elastic component, and the width between these two fixture blocks is less than the width of this object to be measured.
3. detection system as claimed in claim 1, is characterized in that, this support vertical is fixed on a side of this pedestal, and this support extends a kink away from one end of this pedestal, and this image unit is fixed on this kink.
4. detection system as claimed in claim 1, it is characterized in that, this lighting unit comprises the framework being fixedly installed on support and the light source arranging along this framework, this framework be positioned at this image unit under, the plane at this framework place and this pedestal place plane parallel, this image unit sees through the opening at this framework center and takes the object to be measured on this plummer, and the light that this light source sends is radiated at the object to be measured being positioned on plummer.
5. detection system as claimed in claim 1, it is characterized in that, this control module response user's input is carried out this drive unit in a test process to an object to be measured and is driven the time interval between number of times and each angle, every twice rotation of rotating that this plummer rotates, and time interval between twice test is set.
6. detection system as claimed in claim 1, is characterized in that, this judge module sends for controlling an output unit output information prompting user testing result according to judged result.
7. detection system as claimed in claim 1, is characterized in that, this processing unit is arranged in this pedestal or support.
8. detection system as claimed in claim 1, is characterized in that, this processing unit is arranged in a peripherals, and this processing unit and this drive unit and this image unit communicate by data line.
9. detection system as claimed in claim 1, it is characterized in that, the image of multiple angles of this object to be measured that this judge module gets this image collection module compares with pre-stored master sample image respectively, and in the time that the image of multiple angles of determining this object to be measured that this image unit is taken is all identical with pre-stored master sample image, determine that this object surface to be measured does not have flaw, otherwise, determine that this object surface to be measured has flaw.
10. detection system as claimed in claim 1, it is characterized in that, the image of multiple angles of this object to be measured that this judge module gets this image collection module carries out Fourier transform, thereby obtain the spectrogram of those images, this judge module is determining by spectrum analysis whether this object surface to be measured has flaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210578479.8A CN103901044A (en) | 2012-12-28 | 2012-12-28 | Detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210578479.8A CN103901044A (en) | 2012-12-28 | 2012-12-28 | Detection system |
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| CN103901044A true CN103901044A (en) | 2014-07-02 |
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| CN201210578479.8A Pending CN103901044A (en) | 2012-12-28 | 2012-12-28 | Detection system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269403A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Detecting system and detecting method |
| CN107228860A (en) * | 2017-06-28 | 2017-10-03 | 北京因时机器人科技有限公司 | A kind of gear defect detection method based on image rotation cyclophysis |
| CN107680648A (en) * | 2017-11-10 | 2018-02-09 | 杭州唐古信息科技有限公司 | Chinese herbal prepared slice dispensing management system and method |
| CN109816644A (en) * | 2019-01-16 | 2019-05-28 | 大连理工大学 | A kind of bearing defect automatic checkout system based on multi-angle light source image |
| CN110012233A (en) * | 2019-05-20 | 2019-07-12 | 南京信息工程大学 | A kind of chip focuses the machine of taking pictures automatically |
| CN110618137A (en) * | 2019-10-27 | 2019-12-27 | 江苏麦瑞特科技有限公司 | DM code sideline flaw detection system based on vision technology |
| CN111337506A (en) * | 2020-03-30 | 2020-06-26 | 河南科技学院 | Intelligent device for clothes quality inspection |
| CN112730419A (en) * | 2019-10-14 | 2021-04-30 | 富泰华工业（深圳）有限公司 | Appearance flaw detection device |
| CN112730420A (en) * | 2019-10-14 | 2021-04-30 | 富泰华工业（深圳）有限公司 | Appearance flaw detection station |
| CN112730440A (en) * | 2020-12-29 | 2021-04-30 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Electronic component shell defect detection method and system |
| CN114442335A (en) * | 2020-11-05 | 2022-05-06 | 三赢科技（深圳）有限公司 | Level correction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269403A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Detecting system and detecting method |
| CN107228860B (en) * | 2017-06-28 | 2020-04-24 | 北京因时机器人科技有限公司 | Gear defect detection method based on image rotation period characteristics |
| CN107228860A (en) * | 2017-06-28 | 2017-10-03 | 北京因时机器人科技有限公司 | A kind of gear defect detection method based on image rotation cyclophysis |
| CN107680648A (en) * | 2017-11-10 | 2018-02-09 | 杭州唐古信息科技有限公司 | Chinese herbal prepared slice dispensing management system and method |
| CN109816644A (en) * | 2019-01-16 | 2019-05-28 | 大连理工大学 | A kind of bearing defect automatic checkout system based on multi-angle light source image |
| CN109816644B (en) * | 2019-01-16 | 2022-11-25 | 大连理工大学 | Bearing defect automatic detection system based on multi-angle light source image |
| CN110012233A (en) * | 2019-05-20 | 2019-07-12 | 南京信息工程大学 | A kind of chip focuses the machine of taking pictures automatically |
| CN112730419A (en) * | 2019-10-14 | 2021-04-30 | 富泰华工业（深圳）有限公司 | Appearance flaw detection device |
| CN112730420A (en) * | 2019-10-14 | 2021-04-30 | 富泰华工业（深圳）有限公司 | Appearance flaw detection station |
| CN112730419B (en) * | 2019-10-14 | 2024-01-09 | 富泰华工业（深圳）有限公司 | Appearance flaw detection device |
| CN112730420B (en) * | 2019-10-14 | 2024-02-20 | 富泰华工业（深圳）有限公司 | Appearance flaw detection workstation |
| CN110618137A (en) * | 2019-10-27 | 2019-12-27 | 江苏麦瑞特科技有限公司 | DM code sideline flaw detection system based on vision technology |
| CN111337506A (en) * | 2020-03-30 | 2020-06-26 | 河南科技学院 | Intelligent device for clothes quality inspection |
| CN114442335A (en) * | 2020-11-05 | 2022-05-06 | 三赢科技（深圳）有限公司 | Level correction system |
| CN114442335B (en) * | 2020-11-05 | 2024-01-30 | 三赢科技（深圳）有限公司 | Level correction system |
| CN112730440A (en) * | 2020-12-29 | 2021-04-30 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Electronic component shell defect detection method and system |
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Application publication date: 20140702 |