CN102506754B - Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof - Google Patents
Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof Download PDFInfo
- Publication number
- CN102506754B CN102506754B CN 201110352114 CN201110352114A CN102506754B CN 102506754 B CN102506754 B CN 102506754B CN 201110352114 CN201110352114 CN 201110352114 CN 201110352114 A CN201110352114 A CN 201110352114A CN 102506754 B CN102506754 B CN 102506754B
- Authority
- CN
- China
- Prior art keywords
- light
- optical fiber
- sample
- confocal
- fiber head
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention belongs to the field of precision measurement and relates to a confocal measurement device for simultaneously measuring surface appearance and color of an object and a using method thereof. The device comprises a standard white light source, a white-light confocal position measuring unit and a spectral color recognition unit which are connected with an optical fiber end part through an optical fiber respectively, wherein the optical fiber end part is clamped by an optical fiber clamping device; the optical fiber end part, a focusing optical system and a sample three-dimensional scanning platform are arranged in the same light path; and the sample three-dimensional scanning platform, the white-light confocal position measuring unit and the spectral color recognition unit are connected with a computer respectively. Due to a certain using method, when the profile of the object is measured, different color quality can be observed finely, so that a user rapidly, accurately and comprehensively masters appearance information of samples.
Description
Technical field
The invention belongs to the precision measurement field, relate to the burnt measurement mechanism of the simultaneously-measured copolymerization of a kind of object surface appearance and color and using method thereof.
Background technology
Outward appearance, the general designation of object surface shape pattern and color is an important property of object self.The human knowledge external world 80% comes from vision.See the initial instantaneous of object at human eye, 80% information source is in the color of object, and after 2 minutes, the perception ratio of color and object profile reaches 1:1.
The shape pattern, the important surface characteristics of another of object or product.The outward appearance of daily necessities is all the key factor that affects its aesthetic property, usability, market share.For the high-grade, precision and advanced technical fields such as industry, traffic, scientific research, Aero-Space and national defence, the profile of part is just more important, is usually the major influence factors of this part time job performance.Large-scale industrial products or parts, the measuring technique of global shape mainly contain projection moire technology, light sectioning technology, laser triangulation and contact probe formula measuring technique.For micro parts, especially MEMES device, the topography measurement permissible accuracy reaches nanometer level, and the profilometry that uses at present mainly comprises three coordinate measuring machine, confocal microscopy technology of profiling, white light interference technology of profiling, contact type probe measuring instrument and atomic force microscope etc.
On the other hand, color has become the important indicator of the many product qualities of evaluation.In many industries, the technical indicator of color is more and more important.The product colour measurement is inaccurate or aberration identification diverse location is inaccurate, will cause substandard products or waste product, brings serious economic loss to enterprise.Color measurement instrument application industry is wider, can application and the industry such as national defence, traffic, automobile, household electrical appliances, medicine, paint and plastics, and market outlook are very wide.The method of color measuring has visual method, Density Detection method, photoelectric integral method and spectral luminosity method.Wherein the measuring accuracy of spectral luminosity method is the authoritative method of generally acknowledging.But these methods are mostly spot measurements, are difficult to comprehensively react the surface color feature of object.
Comprehensively the measuring method of response sample surface topography and colouring information is necessary.In industrial design, exterior appearance and color are the important indicators that determines the external attribute of product; In the metal material science, after fracture, the pattern (comprising roughness) of fracture, color etc. are the important criterions of analysis of material mechanism of fracture; In chemical functional particle preparation process, control simultaneously color, particle diameter of particle etc., can improve the application performance of particle; In science and techniques of defence, functionalization components and parts or product needed apply cryptic coloration etc.So far, in academic newpapers and periodicals or product information, the report of measuring simultaneously object exterior appearance and color is arranged not yet.
Summary of the invention
The purpose of this invention is to provide the burnt measurement mechanism of the simultaneously-measured copolymerization of a kind of object surface appearance and color and using method thereof, the deficiency that can not measure simultaneously pattern or color that exists to overcome prior art.
The problem that exists in order to overcome prior art, the invention provides following technical scheme: a kind of burnt measurement mechanism of copolymerization that has exterior appearance and color measuring concurrently, comprise the standard white radiant, the multimode light-conductive optic fibre, the optical fiber head end, the optical fiber head clamper, Focused Optical system, the sample three dimensional scanning platform, white light confocal location measurement unit, spectrum-type color recognition unit and computing machine, described standard white radiant, white light confocal location measurement unit, spectrum-type color recognition unit are connected with the optical fiber head end by optical fiber respectively; Optical fiber end is by optical fiber head clamper clamping; The light path setting altogether of optical fiber head end, Focused Optical system and sample three dimensional scanning platform; Described sample three dimensional scanning platform, white light confocal location measurement unit, spectrum-type color recognition unit are connected with computing machine respectively.
The using method of said apparatus is to comprise the steps: successively
Sample is arranged on the sample three dimensional scanning platform, and the light that the standard white radiant sends through optical fiber, is focused optical system and converges, and is focused into hot spot and is reflected on the sample surface; The former road of reflected light is returned, and enters the core diameter in the optical fiber head end, enters respectively spectroscopy unit and position sensing unit after optical fibre light splitting, obtains respectively color and little elevation information at this point of sample place; The sample three dimensional scanning platform drives sample and does the 3-D scanning motion, just can reach the pattern of sample surfaces and the colouring information of corresponding point;
In the longitudinal scanning process, the light that the standard white radiant sends is converged by Focused Optical system through the optical fiber head end, and the interior cored of optical fiber this moment is equivalent to the beam expander pin hole in traditional confocal system; The reflected light of body surface A can former road returns to secondary and enters optical fiber, and reflected light fibre cladding or the head clamp adapter of out of focus face stop, can't get back to light-conductive optic fibre, and this moment, the optical fiber cored was as confocal detecting pinhole; Arrive surperficial change of arriving again below the surface more than surface location with focus point, position sensing unit and spectrum-type color recognition unit have obtained respectively one group of discrete signal, these two groups of signals have identical discrete number, and are one to one, and the gained signal is sent into computing machine;
At first computing machine processes the confocal light intensity signal of position sensing unit, extracts its signal maximum, and confirms to obtain the lengthwise position of this signal; Then, computing machine keeps spectrometer signal corresponding to this location point, according to the Color Reflectance of different wave length, obtain X, Y, Z three primary colours values, then press CIE Yxy by X, Y, Z, CIE Lab formula calculates chromaticity coordinates xy, the CIELAB colorimetric parameter has obtained the colouring information at this point of sample place;
After completing simple scan, the computer control objective table carries out 3-D scanning to object, has just realized the composite measurement of its outward appearance.
Device provided by the invention and using method can be observed the quality of colour of difference fine and smoothly when contour of object is measured, make people fast, accurately, comprehensively grasp the appearance information of sample.Compared with prior art, the invention has the advantages that:
1 when measuring profiling object surface, measured its colouring information, solved the matching problem of profile and colouring information, and greatly improved measurement efficient.
2 devices have kept the intrinsic high resolving power characteristic of confocal position sensor-based system, can select the spectrum photometric system according to color measuring resolution needs in addition, have increased the relevance grade of system.
3 confocal information acquisition units adopt standard fiber straight cutting interfaces, can match suitable collecting unit according to different measuring objects, for the seriation of measurement mechanism provides guarantee.
Description of drawings:
Fig. 1 is measurement mechanism schematic diagram of the present invention.
Wherein, 1-standard white radiant, 2-multimode light-conductive optic fibre, 3-optical fiber head end, 4-sample three dimensional scanning platform, 5-white light confocal location measurement unit, 6-spectrum-type color recognition unit, 7-computing machine, the 8-sample, 9-Focused Optical system, 10-optical fiber head clamper.
Embodiment:
Below in conjunction with drawings and Examples, the present invention is described in detail.
Referring to Fig. 1, a kind of burnt measurement mechanism of copolymerization that has exterior appearance and color measuring concurrently, comprise standard white radiant 1, multimode light-conductive optic fibre 2, optical fiber head end 3, optical fiber head clamper 10, Focused Optical system 9, sample three dimensional scanning platform 4, white light confocal location measurement unit 5, spectrum-type color recognition unit 6 and computing machine 7, described standard white radiant 1, white light confocal location measurement unit 5, spectrum-type color recognition unit 6 are connected with optical fiber head end 3 by optical fiber 2 respectively; Optical fiber end 3 is by optical fiber head clamper 10 clampings; Optical fiber head end 3, Focused Optical system 9 and the 4 light path settings altogether of sample three dimensional scanning platform; Described sample three dimensional scanning platform 4, white light confocal location measurement unit 5, spectrum-type color recognition unit 6 are connected with computing machine 7 respectively.
The using method that the invention provides device is to comprise the steps: successively
In the longitudinal scanning process, light that standard white radiant 1 sends is converged by Focused Optical system 9 through optical fiber head end 3, and the interior cored of optical fiber 2 this moment is equivalent to the beam expander pin hole in traditional confocal system; The reflected light of body surface A can former road returns to secondary and enters optical fiber 2, and the reflected light fibre cladding of out of focus face or head clamp adapter 10 stop, can't get back to light-conductive optic fibre, and this moment, the optical fiber cored was as confocal detecting pinhole; Arrive surperficial change of arriving again below the surface more than surface location with focus point, position sensing unit 5 and spectrum-type color recognition unit 6 have obtained respectively one group of discrete signal, these two groups of signals have identical discrete number, and are one to one, and the gained signal is sent into computing machine 7;
At first computing machine 7 processes the confocal light intensity signal of position sensing unit, extracts its signal maximum, and confirms to obtain the lengthwise position of this signal; Then, computing machine 7 keeps spectrometer signal corresponding to this location point, Color Reflectance according to different wave length, obtain X, Y, Z three primary colours values, press CIE Yxy by X, Y, Z again, CIE Lab formula calculates chromaticity coordinates xy, and the CIELAB colorimetric parameter has obtained the colouring information at this point of sample place;
After completing simple scan, computing machine 7 is controlled 4 pairs of objects of objective table and is carried out 3-D scanning, has just realized the composite measurement of its outward appearance.
Claims (1)
1. the using method of the burnt measurement mechanism of the copolymerization that has exterior appearance and color measuring concurrently, it is characterized in that: the device that described the method adopts comprises standard white radiant (1), multimode light-conductive optic fibre (2), optical fiber head end (3), optical fiber head clamper (10), Focused Optical system (9), sample three dimensional scanning platform (4), white light confocal location measurement unit (5), spectrum-type color recognition unit (6) and computing machine (7), described standard white radiant (1), white light confocal location measurement unit (5), spectrum-type color recognition unit (6) is connected with optical fiber head end (3) by optical fiber (2) respectively, optical fiber head end (3) is by optical fiber head clamper (10) clamping, the light path setting altogether of optical fiber head end (3), Focused Optical system (9) and sample three dimensional scanning platform (4), described sample three dimensional scanning platform (4), white light confocal location measurement unit (5), spectrum-type color recognition unit (6) are connected with computing machine (7) respectively,
The method comprises the steps: sample (8) is arranged on sample three dimensional scanning platform (4) successively, the light that standard white radiant (1) sends, through multimode light-conductive optic fibre (2), be focused optical system (9) and converge, be focused into hot spot and be reflected on sample (8) surface; The former road of reflected light is returned, enter the inner core diameter in optical fiber head end (3), enter respectively spectrum-type color recognition unit (6) and white light confocal position detection unit (5) after multimode light-conductive optic fibre (2) light splitting, obtain respectively color and little elevation information at this point of sample place; Sample three dimensional scanning platform (4) drives sample and does the 3-D scanning motion, just can reach the pattern of sample surfaces and the colouring information of corresponding point;
In the longitudinal scanning process, the light that standard white radiant (1) sends is converged by Focused Optical system (9) through optical fiber head end (3), and the interior cored of multimode light-conductive optic fibre (2) this moment is equivalent to the beam expander pin hole in traditional confocal system; The reflected light of body surface (A) can former road returns to secondary and enters multimode light-conductive optic fibre (2), and the reflected light of out of focus face is stopped by fibre cladding or head clamp adapter (10), can't get back to the multimode light-conductive optic fibre, this moment, multimode light-conductive optic fibre cored was as confocal detecting pinhole; Arrive surperficial change of arriving again below the surface more than surface location with focus point, white light confocal position detection unit (5) and spectrum-type color recognition unit (6) have obtained respectively one group of discrete signal, these two groups of signals have identical discrete number, and be one to one, the gained signal is sent into computing machine (7);
Computing machine (7) is at first processed the confocal light intensity signal of white light confocal position detection unit, extracts its signal maximum, and confirms to obtain the lengthwise position of this signal; Then, computing machine (7) keeps spectrometer signal corresponding to this location point, Color Reflectance according to different wave length, obtain X, Y, Z three primary colours values, press CIE Yxy by X, Y, Z again, CIE Lab formula calculates chromaticity coordinates xy, and the CIELAB colorimetric parameter has obtained the colouring information at this point of sample place;
After completing simple scan, computing machine (7) is controlled three dimensional scanning platform (4) object is carried out 3-D scanning, has just realized the composite measurement of its outward appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110352114 CN102506754B (en) | 2011-11-09 | 2011-11-09 | Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110352114 CN102506754B (en) | 2011-11-09 | 2011-11-09 | Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102506754A CN102506754A (en) | 2012-06-20 |
| CN102506754B true CN102506754B (en) | 2013-11-06 |
Family
ID=46218862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110352114 Expired - Fee Related CN102506754B (en) | 2011-11-09 | 2011-11-09 | Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102506754B (en) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102088685B1 (en) | 2012-12-19 | 2020-03-13 | 바스프 에스이 | Detector for optically detecting at least one object |
| JP5966982B2 (en) * | 2013-03-15 | 2016-08-10 | オムロン株式会社 | Confocal measuring device |
| CN109521397B (en) | 2013-06-13 | 2023-03-28 | 巴斯夫欧洲公司 | Detector for optically detecting at least one object |
| KR20160019067A (en) | 2013-06-13 | 2016-02-18 | 바스프 에스이 | Detector for optically detecting an orientation of at least one object |
| WO2015024870A1 (en) | 2013-08-19 | 2015-02-26 | Basf Se | Detector for determining a position of at least one object |
| CN105637320B (en) | 2013-08-19 | 2018-12-14 | 巴斯夫欧洲公司 | Fluorescence detector |
| CN103777524A (en) * | 2014-01-20 | 2014-05-07 | 江苏大学 | Method and device for controlling black tea moderate fermentation based on visible spectrum technology |
| US11041718B2 (en) | 2014-07-08 | 2021-06-22 | Basf Se | Detector for determining a position of at least one object |
| TW201608235A (en) * | 2014-08-18 | 2016-03-01 | 政美應用股份有限公司 | Optical measuring apparatus and method for measuring patterned sapphire substrate |
| TW201608232A (en) * | 2014-08-18 | 2016-03-01 | 政美應用股份有限公司 | Method for measuring patterned sapphire substrate |
| EP3201567A4 (en) | 2014-09-29 | 2018-06-06 | Basf Se | Detector for optically determining a position of at least one object |
| CN107003785B (en) | 2014-12-09 | 2020-09-22 | 巴斯夫欧洲公司 | Optical detector |
| EP3230688A4 (en) * | 2014-12-09 | 2018-08-08 | Basf Se | Detector for an optical detection of at least one object |
| WO2016120392A1 (en) | 2015-01-30 | 2016-08-04 | Trinamix Gmbh | Detector for an optical detection of at least one object |
| KR102644439B1 (en) | 2015-07-17 | 2024-03-07 | 트리나미엑스 게엠베하 | Detector for optically detecting one or more objects |
| US10412283B2 (en) | 2015-09-14 | 2019-09-10 | Trinamix Gmbh | Dual aperture 3D camera and method using differing aperture areas |
| JP6493265B2 (en) | 2016-03-24 | 2019-04-03 | オムロン株式会社 | Optical measuring device |
| WO2018019921A1 (en) | 2016-07-29 | 2018-02-01 | Trinamix Gmbh | Optical sensor and detector for optical detection |
| US10317344B2 (en) * | 2016-09-07 | 2019-06-11 | Kla-Tencor Corporation | Speed enhancement of chromatic confocal metrology |
| JP2019532517A (en) | 2016-10-25 | 2019-11-07 | トリナミクス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Photodetector for optical detection |
| CN109891265B (en) | 2016-10-25 | 2023-12-01 | 特里纳米克斯股份有限公司 | Detector for optically detecting at least one object |
| US11860292B2 (en) | 2016-11-17 | 2024-01-02 | Trinamix Gmbh | Detector and methods for authenticating at least one object |
| KR102484739B1 (en) | 2016-11-17 | 2023-01-05 | 트리나미엑스 게엠베하 | Detector for optically detecting at least one object |
| CN106713693A (en) * | 2017-01-20 | 2017-05-24 | 广东工业大学 | Texture scanner |
| CN106931911A (en) * | 2017-04-01 | 2017-07-07 | 浙江协同光电科技有限公司 | The confocal line scanning device of white-light spectrum |
| EP3612805A1 (en) | 2017-04-20 | 2020-02-26 | trinamiX GmbH | Optical detector |
| CN110998223B (en) | 2017-06-26 | 2021-10-29 | 特里纳米克斯股份有限公司 | Detector for determining the position of at least one object |
| CN109373927A (en) * | 2018-09-28 | 2019-02-22 | 华侨大学 | A kind of confocal 3 D measuring method of colour and system |
| CN109521022A (en) * | 2019-01-23 | 2019-03-26 | 苏州鼎纳自动化技术有限公司 | Touch screen defect detecting device based on the confocal camera of line |
| CN113776459A (en) * | 2021-09-01 | 2021-12-10 | 上海美沃精密仪器股份有限公司 | Confocal three-dimensional measurement system and coordinate and color measurement method |
| CN114018159A (en) * | 2021-11-03 | 2022-02-08 | 内蒙古第一机械集团股份有限公司 | Method for measuring width of optical camouflage paint film diffusion overlapping area |
| CN114719774B (en) * | 2022-04-01 | 2023-04-07 | 浙江大学 | Superstructure dispersion confocal-based complex curved surface morphology measurement method and system |
| CN114674372B (en) * | 2022-04-11 | 2023-03-24 | 国家珠宝玉石首饰检验集团有限公司 | Pearl multi-grading parameter synchronous measurement device and method based on multi-azimuth observation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507036B1 (en) * | 1999-06-01 | 2003-01-14 | National Research Council Of Canada | Three dimensional optical scanning |
| CN2784875Y (en) * | 2005-03-22 | 2006-05-31 | 范光照 | Novel micro three-dimensional topography measurer based on fiber-optic image bundles |
-
2011
- 2011-11-09 CN CN 201110352114 patent/CN102506754B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507036B1 (en) * | 1999-06-01 | 2003-01-14 | National Research Council Of Canada | Three dimensional optical scanning |
| CN2784875Y (en) * | 2005-03-22 | 2006-05-31 | 范光照 | Novel micro three-dimensional topography measurer based on fiber-optic image bundles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102506754A (en) | 2012-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102506754B (en) | Confocal measurement device for simultaneously measuring surface appearance and color of object and using method thereof | |
| CN109781015B (en) | Method for quickly measuring surface steps of object by spectral confocal line scanning | |
| CN207556477U (en) | A kind of surface figure measuring device | |
| CN104596428B (en) | White light gauge head based on Spectral Confocal and trigonometry principle | |
| CN206724892U (en) | Spectral Confocal displacement transducer system | |
| CN113375572B (en) | Method and system for measuring thickness of GRIN lens by spectrum confocal method | |
| CN109945797A (en) | A kind of surface figure measuring device | |
| CN113267252A (en) | Staring type confocal microscopic morphology spectrum four-dimensional detection system | |
| CN103115583A (en) | Stimulated radiation based Mirau fluorescence interference microscopic measurement device | |
| CN104697967B (en) | High-space resolution laser twin shaft confocal spectroscopic mass spectrum micro imaging method and device | |
| CN109000797A (en) | A kind of radium-shine cigarette-brand chromatism measurement method | |
| CN108507981B (en) | Silicon-based waveguide back reflection sensing device based on OFDR (optical frequency domain reflectometry) and measuring method thereof | |
| Barajas et al. | Considerations to the hardness Brinell measurement using optical equipment | |
| CN105698692A (en) | Lens thickness detection device | |
| CN203100685U (en) | Lens center thickness optical detector | |
| CN108195300A (en) | A kind of method of fibre-optical F-P sensor measuring strain | |
| CN104567676B (en) | Bilateral fitting differential confocal measurement method | |
| Flys et al. | Characterization of surface topography of a newly developed metrological gloss scale | |
| CN108253897B (en) | Large-range high-precision point diffraction interference three-dimensional coordinate measuring method | |
| Minoni et al. | Surface quality control device for on-line applications | |
| Seewig et al. | Extraction of shape and roughness using scattering light | |
| CN201983769U (en) | Laser frequency shifted feedback profile measurement device | |
| CN202393582U (en) | Reflectivity detector for optical element | |
| Balzer et al. | Application of a novel fibre-coupled confocal sensor in a nanopositioning and nanomeasuring machine | |
| Blanco et al. | Influence of part material and sensor adjustment on the quality of digitised point-clouds using conoscopic holography |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: 712021 two West high tech Industrial Park, Xianyang hi tech Zone, Shaanxi Patentee after: Xianyang dragon Photoelectric Technology Co.,Ltd. Address before: 710032 Shaanxi city of Xi'an Province Jinhua North Road, No. 4 Patentee before: Xi'an Technological University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20211109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |