CN101957256B - Lens inspection device - Google Patents

Lens inspection device Download PDF

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Publication number
CN101957256B
CN101957256B CN2010102258081A CN201010225808A CN101957256B CN 101957256 B CN101957256 B CN 101957256B CN 2010102258081 A CN2010102258081 A CN 2010102258081A CN 201010225808 A CN201010225808 A CN 201010225808A CN 101957256 B CN101957256 B CN 101957256B
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CN
China
Prior art keywords
lens
inspection
detecting device
pallet
screen
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Expired - Fee Related
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CN2010102258081A
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Chinese (zh)
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CN101957256A (en
Inventor
金大凤
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Individual
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • 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
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • 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
    • 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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
    • G01N2021/9583—Lenses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

The invention relates to a lens inspection device, comprising continuously executing a lens inspection to each lens inspection diagram by using a composite diagram for once, wherein the lens inspection device comprises a diagram portion formed with a plurality of inspection diagrams according to different inspection standards; a light source for irradiating light to the diagram portion; a tray equipped with a plurality of lens for inspection and rotated with a shaft as the centre; a screen for accepting image projection of a plurality of inspection diagrams formed on the diagram portion; a plurality of cameras for shooting image of a plurality of the inspection diagrams projected to the screen; a PC for analyzing the image shot by the cameras so as to adjust a focus of the lens and complete the lens inspection in different types according to the inspection standard of the corresponding diagram for once; and a control portion for adjusting the spacing of the diagram portion and the light source according to the control of the PC and rotating the tray with a set angle.

Description

Lens detecting device
Technical field
The present invention relates to a kind of lens detecting device, relate in particular to and a kind ofly can accomplish the inspection of a plurality of lens continuously, and can disposable completion use the lens detecting device of the lens inspection of dissimilar controlling charts.
Background technology
Generally speaking, the lens inspection is to accomplish through the image that evaluation makes the light scioptics that expose on the controlling chart be projected to the controlling chart on the screen.If the controlling chart that is used for the lens inspection is classified with check criteria; Modulation transfer function (MTF, Modulation Transfer Function) figure, spatial frequency response (SFR, Spatial Frequency Response) figure, optical transfer function (OTF are then arranged; Optical Transfer Function) figure, TVB (TV bone) figure etc.; Usually more widely used have modulation transfer function figure, and in Korea S and Japan, use modulation transfer function figure and TVB figure simultaneously.
As stated,, therefore, in the prior art, need select for use the figure that is suitable for corresponding check criteria to carry out each separate lenses inspection because of different according to the employed controlling chart of check criteria, thus comparatively loaded down with trivial details.In addition, finish to reset new lens and check after the inspection of respective lens, thereby make the lens inspection consume the long period.
Summary of the invention
Technical matters to be solved
The object of the present invention is to provide a kind of lens detecting device, it not only can accomplish the inspection of a plurality of lens continuously, and the lens inspection of can disposable completion using dissimilar controlling charts to carry out separately.
The technical scheme of dealing with problems
For achieving the above object, lens detecting device of the present invention comprises: figure portion, and it is formed with a plurality of controlling charts; Light source, it is to above-mentioned figure portion irradiates light; Pallet, it is provided with a plurality of inspections and uses lens, and is the center rotation with the axle; Screen, it is used to accept to be formed at the image projection of a plurality of controlling charts in the above-mentioned figure portion; A plurality of capture apparatus, it is used to take the image of a plurality of controlling charts that are projected to above-mentioned screen; PC, the image that the above-mentioned capture apparatus of its analysis and utilization is taken, thus regulate the focus of said lens, and carry out the lens inspection according to the check criteria of corresponding figures; And control part, adjust the upper-lower position of above-mentioned figure portion and light source according to the control of above-mentioned PC, and the angle that above-mentioned pallet rotation is set.
Beneficial effect
But according to a plurality of lens of lens detecting device continuous review of the present invention of above-mentioned formation, and can carry out modulation transfer function inspection and TVB inspection simultaneously, thereby improve checking efficiency.
Description of drawings
Fig. 1 is the topology example figure of lens detecting device of the present invention;
Fig. 2 is that a plurality of figure that are formed in the figure portion of Fig. 1 are provided with the situation synoptic diagram;
Fig. 3 is the exemplary plot of the figure of combination modulation transfer function figure and TVB figure.
* Reference numeral *
100: lens detecting device 110: light source
111: collector lens 120: figure portion
121: inspection Figure 130: pallet
131: lens 140: screen
150: capture apparatus 160: control part
170：PC
Embodiment
Should be appreciated that aforementioned by and large bright and following detailed description all belongs to exemplary, be the supplemental instruction of the invention that will apply for.In preferred embodiment of the present invention in detail mark Reference numeral, and these label tables are shown among the accompanying drawing.Under possible any situation, identical Reference numeral is used for instructions and accompanying drawing for representing identical or similar part.For making the technological thought of the easy embodiment of the present invention of person of ordinary skill in the field of the present invention, will combine accompanying drawing that the embodiment of the invention is elaborated.
Fig. 1 is the topology example figure of lens detecting device of the present invention.As shown in Figure 1, lens detecting device 100 of the present invention comprises, light source 110, figure portion 120, pallet 130, screen 140, a plurality of capture apparatus 150, control part 160 and PC170.
Light source 110 is used for 120 irradiates lights to superposed figure portion, can use Halogen lamp LED or LED lamp.If light source 110 is selected the LED lamp for use, then also can comprise collector lens 111, be used for the light of optically focused, and make it possess the rectilinear propagation parallel with optical axis from the LED radiation.
Figure portion 120 is made up of light transmissive material, and is formed with a plurality of lens inspection Figure 121.Be arranged at a plurality of lens inspection Figure 121 in the figure portion 120, shown in Fig. 2 (a), can be arranged to the impartial form of spacing separately, or shown in Fig. 2 (b), be arranged to concentrically ringed form.According to the difference of check criteria, optional a kind of with among modulation transfer function figure, SFR figure, OTF figure and the TVB figure of lens inspections Figure 121.Or as shown in Figure 3, can combine modulation transfer function figure and TVB to scheme to form a figure, and it is arranged at figure portion 120.At this moment, can carry out modulation transfer function inspection and TVB inspection simultaneously.
Pallet 130 is provided with a plurality of inspections with lens 131, and is the center rotation with the axle, thereby can carry out the inspection to set a plurality of lens 131 continuously.Particularly; Pallet 130 is through with the axle being the center rotation; Make the lens of examine in set a plurality of lens 131 be positioned at the forward surface of figure portion 120, thereby make the light that exposes to figure portion 120 be projected to screen 140, accomplish inspection respective lens through respective lens.After the inspection of end to respective lens,, make next lens be positioned at the forward surface of figure portion 120, thereby can check set a plurality of lens 131 continuously through being the center rotation with the axle.
In addition, though not shown, pallet 130 also can comprise lens throw-in part and lens taking-up portion, and the lens throw-in part is controlled the center of the lens 131 of examine, so that it is arranged on the pallet 130 exactly.When lens taking-up portion takes out the lens that finish inspection from pallet 130, separate loading non-defective unit and defective products automatically according to the check result of respective lens.When lens taking-up portion after pallet 130 takes out the lens that finish inspection, the lens throw-in part is arranged at pallet 130 with the lens of examine exactly, thereby can check a plurality of lens continuously.
Through after the figure portion 120, scioptics 131 are projected on the screen 140, thereby show the image that is formed at a plurality of inspection Figure 121 in the figure portion 120 from the light of light source 110 irradiation.Screen 140 is made up of translucent material, and therefore, the image that is projected to a plurality of inspection Figure 121 of screen 140 fronts through inspection with lens can be observed in the back of screen 140.
Capture apparatus 150 is used for taking the image that scioptics are projected to a plurality of inspection Figure 121 of screen 140 in screen 140 back.Position when particularly, the setting of capture apparatus 150 is corresponding to image projection to the screen 140 that is formed at a plurality of inspection Figure 121 in the figure portion 120.Therefore, if be formed at a plurality of inspection Figure 121 in the figure portion 120, shown in Fig. 2 (a), when equalization was provided with, then capture apparatus 150 also can be in the impartial setting of the correspondence position of screen; And if be formed at a plurality of inspection Figure 121 in the figure portion 120, shown in Fig. 2 (b), when being arranged to concentrically ringed form, then capture apparatus 150 too can be at the correspondence position of screen with concentrically ringed form setting.Capture apparatus 150 is taken the image of corresponding inspection Figure 121 of the correspondence position that is projected to screen 140, and is sent to PC170.
Control part 160 utilizes driving arrangement (not shown) to adjust the upper-lower position of light source 110 and figure portion 120 according to the control of PC170, thereby regulates the focus that is projected to the image on the screen 140.In addition, though not shown, also can between figure portion 120 and pallet 130, possess focal adjustments and use lens, and through the upper-lower position of the above-mentioned focal adjustments of control part 160 adjustment with lens, thereby the focus that is projected to the image on the screen 140 regulated.In addition, after the inspection that finishes respective lens, control part 160 is by the angle rotary-tray 130 that sets, thereby can carry out the inspection to next lens continuously.As stated; The present invention with through adjustment inspection with the upper-lower position of lens regulate check different with the existing lens detecting device of lens focus; Through adjustment light source 110 and figure portion 120 or the above-mentioned focal adjustments upper-lower position with lens, thereby but easy adjusting is checked the focus with lens.In addition, select for use at light source 110 under the situation of Halogen lamp LED, control part 160 makes Halogen lamp LED keep certain briliancy through the briliancy of control Halogen lamp LED.
PC170 is through after the image of handling and analyze the corresponding inspection Figure 121 that transmits from capture apparatus 150; Adjust the upper-lower position of light sources 110 and figure portion 120 or adjust the upper-lower position of above-mentioned focal adjustments through control part 160, to regulate the focus of lens 131 with lens.Finish after the focal adjustments of lens 131, the image of the inspection Figure 121 after capture apparatus 150 receives focal adjustments, according to corresponding check criteria inspection lens 131, and through display device (not shown) demonstration check result.
Above-mentioned following to the concrete operational process of lens detecting device of the present invention shown in Figure 3: as at first, a plurality of inspections to be set on pallet 130 with lens 131 like Fig. 1.Afterwards, be center rotary-tray 130 with the axle, the lens 131 of examine are positioned on the forward surface of figure portion 120.
Then, utilize light source 110 with rayed to figure portion 120, thereby the image scioptics 131 that are formed at a plurality of inspection Figure 121 in the figure portion 120 are projected on the screen 140.Be projected to the image of a plurality of inspection Figure 121 on the screen 140, take and be sent to PC170 respectively through a plurality of capture apparatus 150 that are arranged at screen 140 back correspondence positions.
After the image that the PC170 Treatment Analysis is transmitted, regulate the upper-lower position of light source 110 and figure portion 120, to regulate the focus of lens 131 through control part 160 corresponding to a plurality of Figure 121.Finish after the focal adjustments of lens 131, the image after a plurality of capture apparatus 150 finish receiving focal adjustments corresponding to inspection Figure 121, according to the check criteria inspection lens 131 of corresponding figures, and through display device (not shown) demonstration check result.
Finish through said process after the inspection of respective lens, PC170 passes through control part 160 with set angle rotary-tray 130, thereby can check next lens continuously.
According to the lens detecting device of the invention described above, but a plurality of lens of continuous review, and can carry out modulation transfer function inspection and TVB inspection simultaneously.
The foregoing description is only unrestricted in order to explanation the present invention; Those of ordinary skill in the art is to be understood that; Can make amendment, be out of shape the present invention or be equal to replacement, and not break away from the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (9)

1. lens detecting device that utilizes controlling chart comprises:
Figure portion, it is provided with a plurality of controlling charts;
Light source, it is to said figure portion irradiates light;
Pallet, it is provided with a plurality of inspections and uses lens, and is the center rotation with the axle;
Screen, it is used to accept to be formed at the image projection of a plurality of controlling charts in the said figure portion;
A plurality of capture apparatus, it is used to take the image of a plurality of controlling charts that are projected to said screen;
PC, it is used for the image that the said capture apparatus of analysis and utilization is taken respectively, thus the focus of regulating said lens, and carry out the lens inspection according to the check criteria of corresponding figures; And
Control part, the upper-lower position of said figure portion and light source is adjusted in its control according to said PC, and said pallet is rotated with set angle.
2. lens detecting device according to claim 1 is characterized in that:
The a plurality of controlling charts that are formed in the said figure portion are arranged to the impartial form of spacing separately, or are arranged to concentrically ringed form.
3. lens detecting device according to claim 1 is characterized in that:
Said controlling chart is from modulation transfer function figure, spatial frequency response figure, optical transfer function figure, reaches select the TVB figure a kind of.
4. lens detecting device according to claim 1 is characterized in that:
Said controlling chart is the figure that combines modulation transfer function figure and TVB figure.
5. lens detecting device according to claim 1 is characterized in that:
Said light source is a Halogen lamp LED, and controls the briliancy of said Halogen lamp LED through said control part.
6. lens detecting device according to claim 1 is characterized in that:
Said light source is the LED lamp, but also comprises collector lens, and said collector lens is assembled the light that penetrates from said LED lamp.
7. lens detecting device according to claim 1 is characterized in that:
Said a plurality of capture apparatus is fixedly set in the corresponding position of a plurality of controlling charts that is projected to said screen with each.
8. lens detecting device according to claim 1 is characterized in that:
Comprise also that between said figure portion and pallet focal adjustments uses lens, and adjust the upper-lower position of said focal adjustments, to regulate the focus of said inspection with lens with lens through said control part.
9. lens detecting device according to claim 1 is characterized in that:
Said pallet comprises lens throw-in part and lens taking-up portion, and said lens throw-in part can accurately be arranged at said pallet with the lens of examine, and said lens taking-up portion can take out the lens that finish inspection from said pallet, and separates and load non-defective unit and defective products.
CN2010102258081A 2009-07-15 2010-07-12 Lens inspection device Expired - Fee Related CN101957256B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0064309 2009-07-15
KR1020090064309A KR100924117B1 (en) 2009-07-15 2009-07-15 Lens inspection apparatus

Publications (2)

Publication Number Publication Date
CN101957256A CN101957256A (en) 2011-01-26
CN101957256B true CN101957256B (en) 2012-10-10

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Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
KR101192331B1 (en) 2012-08-23 2012-10-17 함상민 Vision inspection equipment and inspection methods of lens by using area camera
KR101427534B1 (en) 2013-08-19 2014-08-07 박용준 Inspection apparatus of lens
KR101467927B1 (en) 2013-09-05 2014-12-02 주식회사 세코닉스 Apparatus for testing wide angle lens
CN103611688B (en) * 2013-10-28 2016-05-11 临海市锦铮机械有限公司 Eyeglass automatic sorting machines
KR101587560B1 (en) * 2014-03-27 2016-01-21 주식회사 나오텍 Lens module inspection machine for vehicel
KR101626089B1 (en) 2014-04-17 2016-05-31 주식회사 퓨런티어 Apparatus for correcting tilt of lens and method thereof
KR20160149883A (en) 2015-06-19 2016-12-28 티클로버(주) An apparatus for inspecting a lens defect
KR101867589B1 (en) 2017-12-27 2018-06-15 주식회사 세코닉스 Transparent Inspection Device
CN109916279B (en) * 2019-03-04 2020-09-22 Oppo广东移动通信有限公司 Flatness detection method and device for terminal cover plate, test machine table and storage medium
CN112090785A (en) * 2020-08-27 2020-12-18 宁波丞达精机有限公司 Optical lens sorting equipment
CN111929039A (en) * 2020-09-18 2020-11-13 宁波丞达精机有限公司 MTF detection mechanism of optical lens

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CN1401982A (en) * 2001-08-22 2003-03-12 精工爱普生株式会社 Lens detecting device and detecting sheet
JP2008128770A (en) * 2006-11-20 2008-06-05 Olympus Corp Lens performance inspection device and lens performance inspection method

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Publication number Priority date Publication date Assignee Title
CN1401982A (en) * 2001-08-22 2003-03-12 精工爱普生株式会社 Lens detecting device and detecting sheet
JP2008128770A (en) * 2006-11-20 2008-06-05 Olympus Corp Lens performance inspection device and lens performance inspection method

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Publication number Publication date
KR100924117B1 (en) 2009-10-29
CN101957256A (en) 2011-01-26

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