CN108844494A - Method based on optical means detection glasses curvature of curved surface parameter - Google Patents
Method based on optical means detection glasses curvature of curved surface parameter Download PDFInfo
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- CN108844494A CN108844494A CN201810662975.9A CN201810662975A CN108844494A CN 108844494 A CN108844494 A CN 108844494A CN 201810662975 A CN201810662975 A CN 201810662975A CN 108844494 A CN108844494 A CN 108844494A
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- diaphragm
- curvature
- curved surface
- optical means
- parameter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Eyeglasses (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
A method of glasses curvature of curved surface parameter is detected based on optical means, it is characterized in that being radiated at lens surface using the light source with virtual diaphragm first, secondly, the diaphragm of lens surface is obtained using camera imaging, finally, obtaining the geometric parameter of eyeglass according to the phase difference calculating of original diaphragm and camera iris.The method of the present invention is simple, and detection efficiency is high, at low cost.
Description
Technical field
The present invention relates to a kind of glasses manufacturing technology, especially a kind of acquisition methods of eyeglass geometric parameter, specifically
It is a kind of method based on optical means detection glasses curvature of curved surface parameter.
Background technique
The curvature measuring of curved surface is usually the method for using contact method and optical interference to be imaged.White light interference is usually used
In the pattern such as surface roughness etc. of measurement part.With the progress of machine vision technique, optical detection becomes on production line
The standard method of the quality testing of part.There are many research for how detecting surface methodology, for example, by using method for reflection, by structure bar
Line scans in conjunction with image processing techniques, and the measurement of Surface Parameters is carried out using the principle of phase measurement profile.Glasses curved surface
Detection, generallys use vertometer and measures.Automatic digital display formula vertometer is a kind of novel photoelectricity test instrument.The type
Vertometer generallys use the main components such as optical system, CCD optical device, step micro motor, microprocessor, display, wherein
Optical quantities are converted into electricity by CCD photoelectric device, are sent into microprocessor and are carried out control and data processing, realize automatic focusing, number
According to functions such as measurements.But the precision for how improving measurement is always the technological difficulties of each automatic lensometer producer.The present invention
The imaging method based on virtual diaphragm is proposed, so as to the parameter of precise measurement eyeglass.
Summary of the invention
The purpose of the present invention is being directed to the problem of existing lens curve curvature measuring inconvenience, a kind of be simple and efficient is invented
Method based on optical means detection glasses curvature of curved surface parameter.
The technical scheme is that：
A method of glasses curvature of curved surface parameter being detected based on optical means, it is characterized in that being used first with virtual diaphragm
Light source is radiated at lens surface, secondly, the diaphragm of lens surface is obtained using camera imaging, finally, according to original diaphragm and phase
The phase difference calculating of machine diaphragm obtains the geometric parameter of eyeglass.
The geometric parameter of multiple eyeglasses is obtained simultaneously in same virtual diaphragm light source lower part installation multi-section camera.
Beneficial effects of the present invention：
The method of the present invention is simple, and detection efficiency is high, at low cost, is inputted in computer by the parameter that will be obtained, in calculation procedure
Control under can be quickly obtained required geometric parameter, detection efficiency can improve tens times than existing method.
Detailed description of the invention
Fig. 1 is one of relevant detection schematic diagram of the present invention.
Fig. 2 is the two of the relevant detection schematic diagram of the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one.
Such as Fig. 1 institute method.
A method of glasses curvature of curved surface parameter being detected based on optical means, firstly, using the light for having virtual diaphragm
Source 1 is radiated at 2 surface of eyeglass, secondly, the diaphragm for obtaining lens surface is imaged using camera 3, finally, according to original diaphragm and phase
The phase difference calculating of machine diaphragm obtains the geometric parameter of eyeglass.
Embodiment two.
As shown in Figure 2.
The difference between this embodiment and the first embodiment lies in two eyeglasses of synchronous detection under same light source.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (2)
1. a kind of method based on optical means detection glasses curvature of curved surface parameter, it is characterized in that first using with virtual diaphragm
Light source be radiated at lens surface, secondly, using camera imaging obtain lens surface diaphragm, finally, according to original diaphragm with
The phase difference calculating of camera iris obtains the geometric parameter of eyeglass.
2. according to the method described in claim 1, it is characterized in that installing multi-section camera simultaneously in same virtual diaphragm light source lower part
Obtain the geometric parameter of multiple eyeglasses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662975.9A CN108844494A (en) | 2018-06-25 | 2018-06-25 | Method based on optical means detection glasses curvature of curved surface parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662975.9A CN108844494A (en) | 2018-06-25 | 2018-06-25 | Method based on optical means detection glasses curvature of curved surface parameter |
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| Publication Number | Publication Date |
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| CN108844494A true CN108844494A (en) | 2018-11-20 |
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| CN201810662975.9A Pending CN108844494A (en) | 2018-06-25 | 2018-06-25 | Method based on optical means detection glasses curvature of curved surface parameter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883357A (en) * | 2019-04-19 | 2019-06-14 | 北京理工大学 | Laterally subtract each other differential confocal parabola vertex curvature radius measurement method |
| CN109883356A (en) * | 2019-04-19 | 2019-06-14 | 北京理工大学 | Bilateral dislocation differential confocal parabola vertex curvature radius measurement method |
| CN109945804A (en) * | 2019-04-19 | 2019-06-28 | 北京理工大学 | Laterally subtract each other differential confocal super-large curvature radius measuring method |
| CN109945803A (en) * | 2019-04-19 | 2019-06-28 | 北京理工大学 | Laterally subtract each other laser differential confocal cylindrical curvature radius measurement method |
| CN109990732A (en) * | 2019-04-19 | 2019-07-09 | 北京理工大学 | Laterally subtract each other differential confocal curvature radius measurement method |
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| US20020080366A1 (en) * | 2000-12-27 | 2002-06-27 | Nikon Corporation | Apparatus for measuring surface shape, lateral coordinate calibration method therefor, and optical member having been measured with said apparatus or method |
| CN101266194A (en) * | 2007-08-27 | 2008-09-17 | 温州医学院眼视光研究院 | High precision image quality detection system for optical eye lens |
| CN101672628A (en) * | 2009-10-12 | 2010-03-17 | 中国兵器工业第二〇五研究所 | Aspheric optical element surface shape detection device |
| CN202267590U (en) * | 2011-08-10 | 2012-06-06 | 上海雄博精密仪器股份有限公司 | Detecting device of free surface lens |
| CN102636130A (en) * | 2012-04-19 | 2012-08-15 | 中国科学院光电技术研究所 | Device for measuring surface profile of aspheric surface optical element in large dynamic range |
| CN107024488A (en) * | 2017-02-27 | 2017-08-08 | 杭州电子科技大学 | A kind of glass defect detection method |
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- 2018-06-25 CN CN201810662975.9A patent/CN108844494A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020080366A1 (en) * | 2000-12-27 | 2002-06-27 | Nikon Corporation | Apparatus for measuring surface shape, lateral coordinate calibration method therefor, and optical member having been measured with said apparatus or method |
| CN101266194A (en) * | 2007-08-27 | 2008-09-17 | 温州医学院眼视光研究院 | High precision image quality detection system for optical eye lens |
| CN101672628A (en) * | 2009-10-12 | 2010-03-17 | 中国兵器工业第二〇五研究所 | Aspheric optical element surface shape detection device |
| CN202267590U (en) * | 2011-08-10 | 2012-06-06 | 上海雄博精密仪器股份有限公司 | Detecting device of free surface lens |
| CN102636130A (en) * | 2012-04-19 | 2012-08-15 | 中国科学院光电技术研究所 | Device for measuring surface profile of aspheric surface optical element in large dynamic range |
| CN107024488A (en) * | 2017-02-27 | 2017-08-08 | 杭州电子科技大学 | A kind of glass defect detection method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883357A (en) * | 2019-04-19 | 2019-06-14 | 北京理工大学 | Laterally subtract each other differential confocal parabola vertex curvature radius measurement method |
| CN109883356A (en) * | 2019-04-19 | 2019-06-14 | 北京理工大学 | Bilateral dislocation differential confocal parabola vertex curvature radius measurement method |
| CN109945804A (en) * | 2019-04-19 | 2019-06-28 | 北京理工大学 | Laterally subtract each other differential confocal super-large curvature radius measuring method |
| CN109945803A (en) * | 2019-04-19 | 2019-06-28 | 北京理工大学 | Laterally subtract each other laser differential confocal cylindrical curvature radius measurement method |
| CN109990732A (en) * | 2019-04-19 | 2019-07-09 | 北京理工大学 | Laterally subtract each other differential confocal curvature radius measurement method |
| CN109883357B (en) * | 2019-04-19 | 2020-08-11 | 北京理工大学 | Transverse subtraction differential confocal paraboloid vertex curvature radius measuring method |
| CN109883356B (en) * | 2019-04-19 | 2020-12-11 | 北京理工大学 | Bilateral dislocation differential confocal paraboloid vertex curvature radius measuring method |
| CN109945804B (en) * | 2019-04-19 | 2020-12-15 | 北京理工大学 | Transverse subtraction differential confocal measuring method for super-large curvature radius |
| CN109945803B (en) * | 2019-04-19 | 2021-03-09 | 北京理工大学 | Transverse subtraction laser differential confocal cylindrical surface curvature radius measuring method |
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Application publication date: 20181120 |
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