CN201314901Y - Optical measuring and detecting device based on micro vision - Google Patents
Optical measuring and detecting device based on micro vision Download PDFInfo
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- CN201314901Y CN201314901Y CNU2008201394477U CN200820139447U CN201314901Y CN 201314901 Y CN201314901 Y CN 201314901Y CN U2008201394477 U CNU2008201394477 U CN U2008201394477U CN 200820139447 U CN200820139447 U CN 200820139447U CN 201314901 Y CN201314901 Y CN 201314901Y
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Abstract
The utility model discloses an optical measuring and detecting device based on micro vision, which comprises a detected body, a light source support, a rotating shaft, a radiating fin, a high-brightness illumination light source, a light barrier, a microscope magnification lens, a CCD camera, a cable and an image acquisition and processing system. Light emitted by the high-brightness illumination light source irradiates the detected body. Image information light reflected by the detected body is transmitted to the CCD camera after being magnified by the microscope magnification lens. Then the CCD camera transmits the acquired image information to the image acquisition and processing system for analysis and judgment. The utility model has the advantages that the structure is simple, products can be detected automatically, characteristic information of defects can be rapidly and accurately identified and analyzed, accounting of unqualified products is carried out and alarms are given out, and the production efficiency and product qualification rate are greatly improved.
Description
Affiliated technical field
The utility model relates to a kind of device of optical measurement and the detection based on micro-vision, specifically be the integration unit that a kind of micro-image technology, optical imagery treatment technology, Computer Vision Recognition technology and precision positioning technology combine, this device is applicable to the accurate measurement of defects detection such as the surface microscopic cut of fine electronic devices and components, semi-conductor chip and fine live width.
Technical background
Converging the computer industry giant of the whole world more than ninety percent in the area, Pearl River Delta, nearly 3000 families of electronic information enterprise are being arranged, forming electronics and information industry gold corridor along the Zhujiang River.The semi-manufacture of producing such as computer magnetic head account for 40% of world market; The circuit board of producing, computer driver etc. account for 30% of world market.At present domestic large batch of fine electronic devices and components surface quality detection major part is observed under high-power microscope by human eye and is judged, the product defects that has detects strict to optics, naked eyes also are difficult to judge at microscopically, judge by the mode of finger touch.
Large batch of product detects often needs a large amount of employees to carry out the work of high duplication.This product defects detection mode has many weak points, and at first, human eye works long hours at powerful microscopically, and is very easily tired, judges by accident easily and fails to judge; Secondly, because everyone is different with the degree of understanding to the awareness of standard, the standard of subjective judgement is also different, is difficult to quantize, and therefore in testing process, does not have unified examination criteria; At last, because the workload that detects is big, repeatability is high, serious to the injury of human eye.Majority Electronic Components Manufacturing enterprise still belongs to labour concentrated industry, have benefited from cheap relatively labor cost on the one hand, external simultaneously ripe relatively full-automatic checkout equipment cost is very expensive, therefore many enterprises are under the pressure of cost and financial pressure, still adopt a large amount of artificial this detection modes that fall behind relatively of under high-power microscope, estimating, efficient is lower, and value-added content of product is lower.
The utility model content
At the existing existing above-mentioned deficiency of mode technology that detects fine element, the utility model purpose is, a kind of device based on the optical measurement and the detection of micro-vision of fast automatic detecting product appearance defective is provided.
The utility model for achieving the above object, the technical scheme that is provided is:
A kind of device of realizing aforementioned optical measurement and detection based on micro-vision, it comprises a detected body, light source bracket, rotating shaft, heat radiator, highlight illumination light source, light barrier, micro magnifier head, ccd video camera, cable, image acquisition and image processing system; Described highlight illumination light source is arranged on the top of described light source bracket; Described heat radiator is arranged on the highlight illumination light source; Described heat radiator comprises that two install end face, also respectively is provided with a rotating shaft on this end face; The irradiate light that described highlight illumination light source sends is on detected body, the image information light of this detected body reflection is after the micro magnifier head amplifies, be transferred to described ccd video camera again, this ccd video camera is transferred to image acquisition and image processing system with the image information that collects again, analyzes and judges.
Described rotating shaft can be adjusted the light angle α 1 of described highlight illumination light emitted by its rotation.
Described light source bracket and rotating shaft assembling place also are provided with a lock-screw, by regulating its degree of tightness, the light angle α 1 of scalable and fixed rotating shaft position and highlight illumination light emitted.
Described detected body is arranged in described light source bracket below, the highlight illumination light source irradiation scope.
Described light barrier is arranged in described light source bracket one side, the irradiation of brightness lighting source; Described light barrier is provided with a micro magnifier head, and described micro magnifier head is in detected body reverse light-source scope.
Described micro magnifier portion and described ccd video camera end to end joins.
Described ccd video camera is connected with image processing system with image acquisition by cable and transmits data.
Implement above-mentioned a kind of based on micro-vision optical measurement and the method for the device of detection, it comprises the steps:
(1) light source bracket that a top is equipped with the highlight illumination light source is set;
(2) below described light source bracket, establish a detected body in the highlight illumination light source irradiation scope;
(3) the light angle α 1 of the described highlight illumination light emitted of adjustment makes the bevel angle α of this light angle α 1 and detected body identical, i.e. α 1=α;
(4) light barrier is set in light source bracket one side and in highlight illumination light source irradiation scope;
(5) establish a micro magnifier head on the described light barrier, this micro magnifier head is in detected body reverse light-source range of exposures;
(6) image information after described micro magnifier head will amplify is delivered to ccd video camera;
(7) described ccd video camera is transferred to image acquisition and image processing system with the image information that collects; A built-in image acquisition and image processing system control module in described image acquisition and the image processing system, and default image acquisition and Flame Image Process parameter and standard; This control module is according to default image acquisition and Flame Image Process parameter and standard, and the image information that receives is analyzed and judged that back output analyzes and judged result.
The beneficial effects of the utility model are: simple in structure, testing product automatically not only, and can discern and analyze the characteristic information of defective quickly and accurately, and substandard product is added up and reported to the police, production efficiency and product percent of pass improved greatly.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the index path of the utility model detected state one.
Fig. 3 is the testing process figure of Fig. 1.
Fig. 4 is the index path of the utility model detected state two.
Fig. 5 is the testing process figure of Fig. 3.
Embodiment
Embodiment: referring to Fig. 1, the device of a kind of optical measurement and detection based on micro-vision that the utility model provides, it comprises a detected body 1, light source bracket 2, rotating shaft 3, heat radiator 5, highlight illumination light source 6, light barrier 7, micro magnifier head 8, ccd video camera 9, cable 10, image acquisition and image processing system 11; Described highlight illumination light source 6 is arranged on the top of described light source bracket 2; Described detected body 1 is arranged in described light source bracket 2 belows, highlight illumination light source 6 ranges of exposures; Described heat radiator 5 is arranged on the highlight illumination light source 6; Described heat radiator 5 comprises that two install end face, also respectively is provided with a rotating shaft 3 on this end face; Can adjust the light angle α 1 of described highlight illumination light source 6 emissions by rotating shaft 3; Described light source bracket 2 also is provided with a lock-screw 4 with rotating shaft 3 assemblings place, but by regulating its degree of tightness, the light angle α 1 of scalable and fixed rotating shaft 3 positions and 6 emissions of highlight illumination light source; Described light barrier 7 is arranged in described light source bracket 2 one sides, the irradiation of brightness lighting source; Described light barrier 7 is provided with a micro magnifier head 8, and described micro magnifier head 8 is in detected body 1 reverse light-source scope; Described micro magnifier 8 afterbodys and described ccd video camera 9 join; Described ccd video camera 9 is connected with image processing system 11 with image acquisition by cable 10 and transmits data.The irradiate light that described highlight illumination light source 6 sends is on detected body 1, the image information light of this detected body 1 reflection is after micro magnifier head 8 amplifies, be transferred to described ccd video camera 9 again, this ccd video camera 9 is transferred to the image information that collects image acquisition and image processing system 11 again and analyzes and judge.
Implement above-mentioned a kind of based on micro-vision optical measurement and the method for the device of detection, it may further comprise the steps:
(1) light source bracket 2 that a top is equipped with highlight illumination light source 6 is set;
(2) below described light source bracket 2, establish a detected body 1 in highlight illumination light source 6 ranges of exposures;
(3) adjust the light angle α 1 that described highlight illumination light source 6 is launched, make the bevel angle α of this light angle α 1 and detected body 1 identical, i.e. α 1=α;
(4) light barrier 7 is set in light source bracket 2 one sides and in highlight illumination light source 6 ranges of exposures;
(5) establish a micro magnifier 8 on the described light barrier 7, this micro magnifier 8 is in detected body 1 reverse light-source range of exposures;
(6) image information after described micro magnifier 8 will amplify is delivered to ccd video camera 9;
(7) described ccd video camera 9, the image information that collects is transferred to image acquisition and image processing system 11, a built-in image acquisition and image processing system control module in this image acquisition and the image processing system 11, and default image acquisition and Flame Image Process parameter and standard; This control module is according to default image acquisition and Flame Image Process parameter and standard, and the image information that receives is analyzed and judged that back output analyzes and judged result.
During work, open highlight illumination light source 6, one detected body 1 is installed in the below of highlight illumination light source 6, adjust the light angle α 1 of highlight illumination light source 6 emissions by rotating shaft 3, make the bevel angle α of light angle α 1 and detected body 1 identical, be α 1=α, the light angle of highlight illumination light source 6 emissions is all extremely important in whole testing process, is directly connected to the reliability and the accuracy of detection; Rotational lock screw 4 is locked rotating shaft 3 then, on the profile of the irradiate light detection bodies 1 of highlight illumination light source 6 emissions.Referring to Fig. 2 and Fig. 3, dotted line is represented the light of highlight illumination light source 6 emissions among the figure, crimping appears on detected body 1 profile, burr, during defect characteristics such as cut, the light of highlight illumination light source 6 emissions just in time shines on these defect characteristics, the light of highlight illumination light source 6 emission is subjected to stopping of these defect characteristics and reflects, ccd video camera 9 collects these light that reflection takes place, and be transferred to image acquisition and image processing system 11 is analyzed and handled by cable 10, this treatment scheme is referring to shown in 2, the defect characteristic information of product is very obvious, at this moment, image acquisition and image processing system 11 can be added up and report to the police; Referring to Fig. 4 and Fig. 5, dotted line is represented the light of highlight illumination light source 6 emissions among the figure, when if the profile of detected body 1 does not have defect characteristics such as crimping, burr, cut to be certified products, the light of highlight illumination light source 6 emissions can not stopped, so the light of highlight illumination light source 6 emissions is seldom by ccd video camera 9; The analysis of image acquisition and 11 pairs of detected bodies 1 of image processing system and treatment scheme are referring to shown in Figure 5.
According to the utility model the foregoing description, possess the pick-up unit with the same or similar technical characterictic of present embodiment, all in the utility model protection domain.
Claims (7)
1, a kind of device of optical measurement and the detection based on micro-vision, it is characterized in that it comprises a detected body, light source bracket, rotating shaft, heat radiator, highlight illumination light source, light barrier, micro magnifier head, ccd video camera, cable, image acquisition and image processing system; Described highlight illumination light source is arranged on the top of described light source bracket; Described heat radiator is arranged on the highlight illumination light source; Described heat radiator comprises that two install end face, also respectively is provided with a rotating shaft on this end face; The irradiate light that described highlight illumination light source sends is on detected body, the image information light of this detected body reflection is after the micro magnifier head amplifies, be transferred to described ccd video camera again, this ccd video camera is transferred to image acquisition and image processing system with the image information that collects again, analyzes and judges.
2, the device of optical measurement and the detection based on micro-vision according to claim 1 is characterized in that, described rotating shaft can be adjusted the light angle α 1 of described highlight illumination light emitted by its rotation.
3, the device of optical measurement and the detection based on micro-vision according to claim 1, it is characterized in that, described light source bracket and rotating shaft assembling place also are provided with a lock-screw, by regulating its degree of tightness, the light angle α 1 of scalable and fixed rotating shaft position and highlight illumination light emitted.
4, the device of optical measurement and the detection based on micro-vision according to claim 1 is characterized in that, described detected body is arranged in described light source bracket below, the highlight illumination light source irradiation scope.
5, the device of optical measurement and the detection based on micro-vision according to claim 1 is characterized in that, described light barrier is arranged in described light source bracket one side, the irradiation of brightness lighting source; Described light barrier is provided with a micro magnifier head, and described micro magnifier head is in detected body reverse light-source scope.
6, the device of optical measurement and the detection based on micro-vision according to claim 1 is characterized in that, described micro magnifier portion and described ccd video camera end to end joins.
7, the device of optical measurement and the detection based on micro-vision according to claim 1 is characterized in that, described ccd video camera is connected with image processing system with image acquisition by cable and transmits data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201394477U CN201314901Y (en) | 2008-10-31 | 2008-10-31 | Optical measuring and detecting device based on micro vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201394477U CN201314901Y (en) | 2008-10-31 | 2008-10-31 | Optical measuring and detecting device based on micro vision |
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| CN201314901Y true CN201314901Y (en) | 2009-09-23 |
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| CNU2008201394477U Expired - Fee Related CN201314901Y (en) | 2008-10-31 | 2008-10-31 | Optical measuring and detecting device based on micro vision |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972928A (en) * | 2010-08-19 | 2011-02-16 | 北京理工大学 | Automatic aligning assembly system for micro members |
| CN103063681A (en) * | 2012-12-21 | 2013-04-24 | 符云舒 | Tungsten filament rope coiling machine charge coupled device (CCD) image capture display method and detecting device thereof |
| WO2019056561A1 (en) * | 2017-09-25 | 2019-03-28 | 深圳市大疆如影科技有限公司 | Lens detection apparatus |
| CN109916816A (en) * | 2019-04-23 | 2019-06-21 | 王唐(苏州)机器人智能科技有限公司 | A kind of contact pin grid array chips appearance detection system |
-
2008
- 2008-10-31 CN CNU2008201394477U patent/CN201314901Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972928A (en) * | 2010-08-19 | 2011-02-16 | 北京理工大学 | Automatic aligning assembly system for micro members |
| CN103063681A (en) * | 2012-12-21 | 2013-04-24 | 符云舒 | Tungsten filament rope coiling machine charge coupled device (CCD) image capture display method and detecting device thereof |
| WO2019056561A1 (en) * | 2017-09-25 | 2019-03-28 | 深圳市大疆如影科技有限公司 | Lens detection apparatus |
| CN110023835A (en) * | 2017-09-25 | 2019-07-16 | 深圳市大疆如影科技有限公司 | Lens detecting device |
| CN109916816A (en) * | 2019-04-23 | 2019-06-21 | 王唐(苏州)机器人智能科技有限公司 | A kind of contact pin grid array chips appearance detection system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20141031 |
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| EXPY | Termination of patent right or utility model |