CN104076039B - Optical filter open defect automatic testing method - Google Patents
Optical filter open defect automatic testing method Download PDFInfo
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- CN104076039B CN104076039B CN201410119864.5A CN201410119864A CN104076039B CN 104076039 B CN104076039 B CN 104076039B CN 201410119864 A CN201410119864 A CN 201410119864A CN 104076039 B CN104076039 B CN 104076039B
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Abstract
The invention discloses a kind of optical filter open defect automatic testing method, it is comprised the steps of：A. the detection parameter of optical filter open defect is set；B. optical lens detection range is selected；C. low power lens detection, marks obvious underproof optical filter and stores testing result；D. high power lens detection, the testing result of the remaining optical filter of storage；E. key words sorting is carried out to the remaining optical filter according to testing result, and generates corresponding collection of illustrative plates（That is MAP）；F. automatic clustering sorting is carried out to optical filter according to MAP.According to the optical filter open defect automatic testing method that the present invention is provided, can be by setting unified standard, the automatic detection to optical filter various appearances defect is realized, and optical filter is sorted according to testing result generation MAP, detection efficiency and production efficiency can not only be drastically increased；Artificial detection error can also be avoided, accuracy in detection is improved, it is ensured that the stability and uniformity of optical filtering tablet quality.
Description
Technical field
The present invention relates to the open defect detection method in a kind of optics production process, filtered more particularly, to one kind
Piece open defect automatic testing method.
Background technology
Optical filter is the important component of modern optical devices, and multilayer film is plated by substrate material surface, is utilized
The interference effect of light changes polarization, phase and the energy of transmitted light or reflected light, is improving optical device function, improves optical link
The aspects such as coupling efficiency play very crucial effect, are widely used in optical communication network.With telecommunication and ripple
Divide the development of multiplexing technology, optical communication technique proposes requirement higher to the design and processes of optical filter, optical filtering flake products
Quality quality just becomes particularly important.
The various appearances defect such as cut, chipping can be produced in optical filter production process, is become mildewed, at present domestic factory
It is that above-mentioned open defect is detected by the method for Manual Visual Inspection under the microscope that family is mostly, and the problem for so existing is：1）
One product of human eye one-time detection, causes detection efficiency low, and be also easy to produce the reaction such as fatigue because open defect classification is more
And bring unnecessary error；2）Each operative employee is inconsistent to the control degree of standard in detection, factor and individual subjective factor influence
It is larger, a collection of product quality can be caused uneven；3）Some be difficult by human eye detection to open defect can not be sent out in time
It is existing, all bring unnecessary loss to the producer and user；4）Optical filtering flake products behaviour work point after the completion of detection is picked, efficiency
It is relatively low.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of optical filter open defect automatic testing method.
A kind of optical filter open defect automatic testing method provided according to the present invention is comprised the steps of：
A. the detection parameter of optical filter open defect is set；
B. optical lens detection range is selected；
C. low power lens detection, marks obvious underproof optical filter and stores testing result；
D. high power lens detection, the testing result of the remaining optical filter of storage；
E. key words sorting is carried out to the remaining optical filter according to testing result, and generates corresponding collection of illustrative plates（That is MAP）；
F. automatic clustering sorting is carried out to optical filter according to MAP.
Preferably, the detection parameter in the step A includes clear field, pit, chipping, dirty, gray scale, bright
Point, idea closeness, cut.
Preferably, the detection range of the optical lens in the step B is comprising all of described optical filtering to be checked
The minimum rectangle scope of piece.
Further, the step C includes：By selecting and the low power lens is controlled to move, successively to institute to be checked
The optical filter having is detected, marks obvious underproof optical filter according to testing result and store testing result.
Preferably, the step C includes：Clear field, bright spot and dim spot to all of described optical filter to be checked
Detected.
Further, the step D includes：Automatically the obvious underproof optical filtering marked in the step C is excluded
Piece, the high power lens is switched to by the low power lens, controls the high power lens movement, with successively to except described substantially underproof
Remaining described optical filter to be checked beyond optical filter is detected.
Compared with background technology, the beneficial effects of the invention are as follows：
1st, the automatic detection to optical filter various appearances defect can be realized, detection efficiency is drastically increased, it is to avoid people
It is detection error, improves accuracy in detection.
2nd, go to detect the open defect of optical filter according to unified standard from the angle of machine vision, it is ensured that optical filtering tablet quality
Stability and uniformity.
3rd, after the completion of to the detection of optical filter, corresponding MAP is generated, and automatic clustering sorting, pole are carried out according to MAP
The earth improve production efficiency.
Brief description of the drawings
By description referring to the drawings to the embodiment of the present invention, of the invention above-mentioned and other purposes, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of optical filter open defect detecting system of one embodiment of the invention.
Fig. 2 is the overhaul flow chart according to a kind of optical filter open defect automatic testing method of one embodiment of the invention.
Fig. 3 is the collection of illustrative plates obtained according to a kind of optical filter open defect automatic testing method of one embodiment of the invention.
In figure, 1 be computer, 2 be optical lens, 31 and 32 for detection clamping fixture table, 4 be vacuum controller, 5 be stepping electricity
Machine, 6 are absorption swing arm.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.Although the present invention be combine it is following excellent
Select what embodiment was described, but the present invention is not restricted to these embodiments.Below to detailed description of the invention
In, it is detailed to describe some specific detail sections.The description of part without these details for a person skilled in the art
The present invention can completely be understood.
Additionally, it should be understood by one skilled in the art that accompanying drawing is provided to descriptive purpose provided herein, and
What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure and " including " in claims, similar etc. "comprising"
Word should be construed to the implication for including rather than exclusive or exhaustive implication；That is, be " including but not limited to " contains
Justice.
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram according to a kind of optical filter open defect detecting system of one embodiment of the invention, the system bag
Include computer 1, optical lens 2, detection clamping fixture table 3, vacuum controller 4, stepper motor 5 and absorption swing arm 6.The optical lens
2 and the vacuum controller 4 controlled by the computer 1 respectively.The stepper motor 5 is controlled by the vacuum controller 4.
Fig. 2 is the overhaul flow chart according to a kind of optical filter open defect automatic testing method of one embodiment of the invention,
The step of it is included be：
A. the detection parameter of optical filter open defect is set；
B. the detection range of optical lens is selected；
C. low power lens detection, marks obvious underproof optical filter and stores testing result；
D. high power lens detection, the testing result of the remaining optical filter of storage；
E. key words sorting is carried out according to testing result, and generates corresponding collection of illustrative plates（That is MAP）；
F. automatic clustering sorting is carried out to optical filter according to MAP.
Below in conjunction with the optical filter open defect detecting system shown in Fig. 1, to the optical filter open defect shown in Fig. 2
Automatic testing method is described in detail.
Specifically, step A includes：Optical filtering flake products to be checked are placed on institute by the position of the adjustment detection clamping fixture table 31
State on detection clamping fixture table 31, start the inspection software in the computer 1, set the detection parameter of optical filter open defect, institute
Stating detection parameter can specifically include clear field, pit, chipping, dirty, gray scale, bright spot, dim spot, idea closeness, cut
Deng.
Step B includes：Control and adjust the position of the optical lens 2 and/or the detection clamping fixture table 31 so that institute
The detection range for stating optical lens 2 is the minimum rectangle scope comprising all of optical filtering flake products to be checked.
Step C includes：It is low power lens to select the camera lens of the optical lens 2 by the computer 1, while controlling institute
Low power lens movement is stated, to be detected to all optical filters to be checked successively, in this step, the detection parameter can have
Multiple choices, for example, can include clear field, bright spot and dim spot, and obvious underproof optical filter is marked according to testing result
（For example it is labeled as G）, and by testing result storage in the computer 1；The information of the testing result can include described
Position, mark, detection parameter of obvious underproof optical filter etc..Certainly, knowable to those of ordinary skill in the art, according to difference
Production purpose and detection require, it is possible to use low power lens detects to the other parameters of all optical filters to be checked,
This no longer illustrates one by one.
Step D includes：Automatically the obvious underproof optical filter marked in the step C is excluded, by the meter
The camera lens of the optical lens 2 is switched to high power lens by calculation machine 1 by the low power lens, while control the high power lens to move, with
The remaining described optical filter to be checked in addition to the substantially underproof optical filter is detected successively；In this step,
Can be required according to different production purposes and detection, from remaining the detection parameter in addition to the detection parameter that step C has been selected
Selection, for example, select one or more parameters from the parameters such as pit, chipping, dirty, gray scale, idea closeness, cut, treats
The described remaining optical filter of inspection is detected, and testing result is stored in the computer 1.
Step E includes：Required according to testing result, production purpose, detection etc., to remaining in the computer 1
The optical filter carries out key words sorting, and generates MAP.As shown in figure 3, being according to a kind of optical filter of one embodiment of the invention
The MAP that open defect automatic testing method is obtained, in figure, the optical filter position on each alphabetical position and detection clamping fixture table 31
One-to-one corresponding is put, A-G represents the optical filter of different qualities respectively, and such as A is certified products, and B is dirty faulty goods, and C is to collapse
Side faulty goods, D is the excessive faulty goods of bright spot, and E is the faulty goods that becomes mildewed, and F is scratch defects product, and G is defective work.Or
Person can also respectively assign other different implications according to different customer requirements to A-G, it is intended to which optical filtering flake products are divided
Class is distinguished, so as to subsequent sort.
Step F includes：The optical filter that will be detected is placed on the detection according to optical filter identical direction in step A
On clamping fixture table 32, the computer 1 sends sorting instruction to the vacuum controller 4, and the vacuum controller 4 controls the step
Stepper motor 5 drives the absorption swing arm 6 that optical filter is classified according to MAP and detects.
It should be noted that in the computer 1 can be set at least two sets control programs, including Automatic Control program with
Semi-automatic program, during from the Automatic Control program, it is only necessary to which the optical filter is placed on the detection clamping fixture table,
Remaining operation（Including detection clamping fixture table adjustment, optical lens adjustment, optical lens switching etc.）By institute
Computer 1 is stated to control, and the detection parameter is fixed set of parameter；During from the semiautomatic control program, can be with root
It is manually operated according to needing to make into some of detection method step, such as detection clamping fixture table adjustment, the optical lens
Adjustment, optical lens switching, the setting of the detection parameter etc..
It follows that the optical filter open defect automatic testing method provided according to the present invention, can be unified by setting
Standard, realize to the automatic detection of optical filter various appearances defect, and MAP generated according to testing result carrying out optical filter
Sorting, can not only drastically increase detection efficiency and production efficiency；Artificial detection error can also be avoided, detection is improved accurate
Exactness, it is ensured that the stability and uniformity of optical filtering tablet quality.
Above-mentioned specific embodiment is used for illustrating the present invention, rather than limiting the invention, of the invention
In spirit and scope of the claims, any modifications and changes made to the present invention both fall within protection model of the invention
Enclose.
Claims (5)
1. a kind of optical filter open defect automatic testing method, it is characterised in that comprise the following steps：
A. the detection parameter of optical filter open defect is set；
B. optical lens detection range is selected；
C. low power lens detection, marks obvious underproof optical filter and stores testing result；
D. high power lens detection, the testing result of the remaining optical filter of storage；
E. key words sorting is carried out to the remaining optical filter according to testing result, and generates corresponding collection of illustrative plates, wherein collection of illustrative plates is included
The alphabetical A-G of different quality optical filters is represented respectively；
F. detection clamping fixture table will be placed on according to the optical filter identical direction in step A by the optical filter of detection
On, control stepper motor drive to adsorb swing arm using vacuum controller carries out automatic clustering sorting according to collection of illustrative plates to optical filter.
2. a kind of optical filter open defect automatic testing method according to claim 1, it is characterised in that the step A
In the detection parameter include clear field, pit, chipping, dirty, gray scale, bright spot, idea closeness, cut.
3. a kind of optical filter open defect automatic testing method according to claim 1, it is characterised in that the step B
In the detection range of the optical lens be the minimum rectangle scope comprising all of described optical filter to be checked.
4. a kind of optical filter open defect automatic testing method according to claim 1, it is characterised in that the step C
Include：By selecting and control the low power lens to move, all of described optical filter to be checked is detected successively, according to
Testing result marks obvious underproof optical filter and stores testing result.
5. a kind of optical filter open defect automatic testing method according to claim 4, it is characterised in that the step C
Include：Clear field, bright spot and dim spot to all of described optical filter to be checked are detected.
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Families Citing this family (9)
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| CN105571824B (en) * | 2014-10-13 | 2019-01-04 | 南昌欧菲光电技术有限公司 | The optical filter method of inspection and device |
| KR101733018B1 (en) * | 2015-02-25 | 2017-05-24 | 동우 화인켐 주식회사 | Apparatus and method for detecting defect of optical film |
| CN104923494A (en) * | 2015-06-30 | 2015-09-23 | 歌尔声学股份有限公司 | Method and system for automatically distinguishing qualified products from electronic components on large scale |
| US10794838B2 (en) * | 2017-07-21 | 2020-10-06 | Isvision (Tianjin) Technology Co., Ltd | Method and device for detecting defect of cover lens in laser welding system on automobile production line |
| CN107607550B (en) * | 2017-10-27 | 2023-11-10 | 宁波舜宇仪器有限公司 | Defect detecting unit and defect detecting apparatus including the same |
| CN109374256B (en) * | 2018-11-14 | 2020-07-31 | 凌云光技术集团有限责任公司 | Industrial detection self-adaptive classification method and device |
| CN110542687A (en) * | 2019-07-02 | 2019-12-06 | 中国工程物理研究院激光聚变研究中心 | Detection device and detection method for appearance defects of microscopic elements |
| CN111079831A (en) * | 2019-12-13 | 2020-04-28 | 智泰科技股份有限公司 | Intelligent optical detection sample characteristic and flaw automatic marking method and device |
| CN112730452A (en) * | 2020-12-22 | 2021-04-30 | 苏州京浜光电科技股份有限公司 | Method for detecting surface defects of optical filter |
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