CN108445021A - Microstructured prisms lens quality detecting system - Google Patents
Microstructured prisms lens quality detecting system Download PDFInfo
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- CN108445021A CN108445021A CN201810181242.3A CN201810181242A CN108445021A CN 108445021 A CN108445021 A CN 108445021A CN 201810181242 A CN201810181242 A CN 201810181242A CN 108445021 A CN108445021 A CN 108445021A
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- eyeglass
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- microstructured prisms
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- prisms
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
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Abstract
A kind of microstructured prisms eyeglass detecting system, delivery module are used to microstructured prisms eyeglass to be detected being sent to other modules and reject underproof microstructured prisms eyeglass；Eyeglass decontaminates module and is used to carry out abatement processes to microstructured prisms eyeglass to be detected；Stress checks that module is used to analyze the stress inside microstructured prisms eyeglass；Whether whether the fillet that fillet and flaw point detection module are used to detect microstructured prisms eyeglass have scratch or flaw point on qualified and microstructured prisms eyeglass；Image analysis module sends dependent instruction for analyzing microstructured prisms microstructure image, and according to the handling result of picture to delivery module；Stress checks that module, fillet and flaw point detection module and delivery module are connected by USB line with image analysis module.The present invention effectively realizes that microstructured prisms lens quality detects.
Description
Technical field
The present invention relates to optical mirror slip technical field of quality detection, especially a kind of to be examined for microstructured prisms lens quality
Examining system.
Background technology
In recent years, the effective means that microstructured prisms eyeglass has become treatment child strabismus, and microstructured prisms are worn
The quality of eyeglass directly affects the therapeutic effect of strabismus.Therefore, in the production process of microstructured prisms, this ring of Defect Detection
It saves particularly important.Traditional eyeglass detection mode is to use artificial detection, but artificial detection effective percentage is low, of high cost, subjective
The strong disadvantage of property.
With the development of artificial intelligence, had at present related patents and paper propose using automatic detection device come into
The rejecting of row flaw eyeglass.Wang Xiang spaces et al. are in utility model patent《A kind of lens defects precision detecting system》In disclose one
Kind includes the detecting system of image capture device, rack, information processing equipment, transmission equipment and dust-reclamiing mill.T.G. it wears
This et al. is tieed up in patent of invention《A kind of eyeglass detecting system and method》In propose a kind of eyeglass detecting system, including transporton
System, illumination subsystems, imaging subsystems, lighttight diaphragm, imaging len and image processing subsystem.Zhou Minjie is being invented
Patent《The detection method and detection device of eyeglass》In disclose a kind of detection method of eyeglass, this method can effectively avoid spot
Erroneous judgement is formed to the Defect Detection of eyeglass.R Qi Puman et al. are in patent of invention《The image quality mapper of graduated glasses》In disclose one kind
The focal power of lens surface different location, the instrument of astigmatism, prism degree and modulation transfer function can be measured.Pay it is bright it is of heap of stone et al.
Patent of invention《A kind of dura mater pressing triple prism lens prisms degree detection method》In disclose a kind of measurement microstructured prisms eyeglass
The method of prism degree.Once it celebrated peaceful et al. in patent of invention《A kind of intermediate plate defect inspection method based on machine vision》In disclose
A method of with Machine Vision Detection surface defect.
It is found through investigation and analysis, current patent mainly carries out the flaw by Image Acquisition, image procossing and images match
The rejecting of defect eyeglass.The system that above-mentioned patent is mentioned is directed to the detection of the eyeglass of surfacing, but has rule for surface
Expected effect is not achieved in the then microstructured prisms of groove, such detecting system, the reason is as follows that：(1) rule of microstructured prisms
Then groove can be misidentified as scratch.(2) fillet of microstructured prisms groove too conference influence image quality, and the inspection in existing patent
Examining system can not detect fillet size.(3) as microstructured prisms using hot pressing technique manufacture gained, then inside it there may be
Stress, this can influence image quality, while can also influence the assembly intensity of follow-up microstructured prisms (microstructured prisms pass through supersonic welding
The mode of connecing is welded on plano lens eyeglass, concave spectacle lens or convex lens eyeglass), and the detecting system in existing patent can not be examined
Survey eyeglass stress situation.
Invention content
It is detected to overcome the shortcomings of that existing detection technique can not be applied to microstructured prisms lens quality, the present invention provides
A kind of microstructured prisms lens quality detecting system effectively realizes the detection of microstructured prisms lens quality.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of microstructured prisms eyeglass detecting system, the microstructured prisms eyeglass detecting system include delivery module, mirror
Piece decontaminates module, stress checks module, fillet and flaw point detection module and image analysis module；
The delivery module is used to microstructured prisms eyeglass to be detected being sent to other modules and reject not
Qualified microstructured prisms eyeglass；
The eyeglass decontamination module is used to carry out abatement processes to microstructured prisms eyeglass to be detected；
The stress checks that module is used to analyze the stress inside microstructured prisms eyeglass；
The fillet and flaw point detection module be used to detect microstructured prisms eyeglass whether fillet qualified and micro- knot
Whether scratch or flaw point are had in structure prismatic lens；
Described image analysis module is for analyzing microstructured prisms microstructure image, and according to the handling result of picture to biography
Module is sent to send dependent instruction；
The stress checks that module, fillet and flaw point detection module and delivery module pass through USB line and image analysis
Module is connected.
Further, the eyeglass decontamination module includes alcohol washes module and wind turbine drying module, the alcohol washes mould
Block is used to dry the microstructured prisms mirror after cleaning for cleaning microstructured prisms eyeglass to be detected, the wind turbine drying module
Piece.
Further, the delivery module includes conveyor modules and mechanical arm module, and the conveyor modules are for passing
Microstructured prisms eyeglass is sent, the mechanical arm module is for capturing and rejecting underproof microstructured prisms eyeglass.
Further, the stress checks that module includes eyeglass stress gauge and camara module, the eyeglass stress gauge
For showing the stress inside microstructured prisms eyeglass in the form of color fringe, the camara module is for obtaining
The stress envelope of microstructured prisms eyeglass, and stress envelope is sent to image analysis module.
The fillet and flaw point detection module include lighting module and industrial camera module, and the lighting module is industry
Camera model provides light source, and the industrial camera module is used to obtain the microsctructural photograph of microstructured prisms eyeglass, and will shine
Piece is sent to image analysis module.
The detection method of the present invention, microstructured prisms eyeglass by the transmission of delivery module, first in decontaminating module into
Row abatement processes subsequently enter stress and check that module carries out stress mornitoring, finally enter fillet and flaw point detection module carries out
Detection judges whether microstructured prisms eyeglass fillet is qualified by analyzing the width of the striped in pretreated image, filters
After the parallel stripes in above-mentioned image, then carry out the detection of scratch and flaw point.If microstructured prisms eyeglass is through overstress
It is judged as flaw eyeglass when checking module or fillet and flaw point detection module, then microstructured prisms eyeglass can be removed.
Beneficial effects of the present invention are mainly manifested in：Stress is introduced in the detection system and checks module, avoids micro- knot
Structure prismatic lens not prison welding during subsequent ultrasonic bonding consolidates the generation of phenomenon.Fillet and flaw point detection module are real
The detection of microstructured prisms Lens grooves fillet is showed, while lens surface flaw is avoided using the striped being mutually parallel is filtered out
The flase drop of (scratch or flaw point).It is directed to the detection of microstructured prisms eyeglass, compared to other eyeglass detecting systems, this hair
Bright patent has more specific aim and superiority.
Description of the drawings
Fig. 1 is a kind of microstructured prisms eyeglass detecting system schematic diagram.
Fig. 2 is a kind of microstructured prisms eyeglass detection method schematic diagram.
Fig. 3 is microstructured prisms groove fillet detection method schematic diagram.
Fig. 4 is binary image schematic diagram.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of microstructured prisms eyeglass detecting system, the microstructured prisms eyeglass detecting system include transmission
Module, eyeglass decontamination module, stress check module, fillet and flaw point detection module and image analysis module.The transmission
Module is used to microstructured prisms eyeglass to be detected being sent to other modules and rejects underproof microstructured prisms
Eyeglass.The eyeglass decontamination module carries out abatement processes to microstructured prisms eyeglass to be detected, prevents eyeglass spot from causing to miss
Inspection.The stress checks that module is used to analyze the stress inside microstructured prisms eyeglass.The fillet and flaw point detection module
Whether whether the fillet for detecting microstructured prisms eyeglass have scratch or flaw point on qualified and microstructured prisms eyeglass.Institute
It states and sends dependent instruction to delivery module for analyzing associated picture, and according to the handling result of picture as analysis module.It is described
Stress checks that module, fillet and flaw point detection module and delivery module are connected by USB line with image analysis module.
Further, eyeglass decontamination module includes alcohol washes module and wind turbine drying module, and wind turbine dries in embodiment
Using the electric heating bellows of the AD series of the star electromechanical equipment of Austria, the alcohol washes module is used to clean to be detected dry module
Microstructured prisms eyeglass, the wind turbine drying module are used to dry the microstructured prisms eyeglass after cleaning.
The delivery module includes conveyor modules and mechanical arm module.The conveyor modules are for transmitting micro-structure rib
Mirror eyeglass, the mechanical arm module is for capturing and rejecting underproof microstructured prisms eyeglass.In embodiment, conveyor modules
The conveying machinery equipment of Science and Technology Ltd. is automated using hundred sunshine of Shantou City.
The stress checks that module includes eyeglass stress gauge and camara module.The eyeglass stress gauge is used for micro- knot
Stress inside structure prismatic lens shows that the camara module is for obtaining microstructured prisms in the form of color fringe
The stress envelope of eyeglass, and stress envelope is sent to image analysis module.In embodiment, stress gauge is using Shanghai
Glass eyeglass stress gauge WYL-2 is easily surveyed, camara module is using 1,000,000 cameras, model CR100.
The fillet and flaw point detection module include lighting module and industrial camera module.The lighting module is industry
Camera model provides light source, and the industrial camera module is used to obtain the microsctructural photograph of microstructured prisms eyeglass, and will shine
Piece is sent to image analysis module.In embodiment, lighting module is using 60 watts of LED illumination lamp, camara module use
Be 14,000,000 pixel high definition HDMI/USB dual output industrial microscopes of (essence is opened up) board.
With reference to Fig. 2~Fig. 4, a kind of microstructured prisms eyeglass detection method the described method comprises the following steps：
Step 1, after carrying out abatement processes to microstructured prisms eyeglass；
Step 2, it to carrying out stress mornitoring inside microstructured prisms eyeglass, (is answered more than or equal to default if internal stress is too strong
Force threshold), then it is determined as faulty materials；If internal stress is smaller (being less than default stress threshold), 3 are entered step；
Step 3, the amplified photo of microstructured prisms eyeglass is obtained using industrial camera, photo is pre-processed, is obtained
To binaryzation picture, the striped of binaryzation picture is then detected, microstructured prisms Lens grooves are judged by the width of striped
Whether fillet is qualified；If eligible, 4 are entered step；
Step 4, striped parallel to each other in binaryzation picture is removed, detects in picture whether contain striped or spot again
Point；If in the presence of, it is determined as faulty materials, if being not present, Lens pass.
Further, in the step 1, the abatement processes specifically include alcohol washes and wind turbine drying.
Preferably, the alcohol in the alcohol washes step ceaselessly carries out inherent filtration so that alcohol is repeatable to be utilized, institute
The time for stating wind turbine drying is 6 seconds.
Further, the step 2 includes the following steps：
Step 2.1, microstructured prisms eyeglass are sent under eyeglass stress gauge, on the microstructured prisms eyeglass and stress gauge
Eyeglass keeping parallelism.
Step 2.2, camera shooting eyeglass stress gauge under microstructured prisms eyeglass photo, the camera key light axis direction with
Microstructured prisms eyeglass keeps exact vertical.
Whether the threadiness of acute angle strip, if having if internal stress mistake are had in step 2.3, image processing module judgement photo
By force, eyeglass is determined as faulty materials, terminates detection, is detected if continuing step 3 without if.
Further, with reference to Fig. 3, the step 3 includes the following steps：
Step 3.1, microstructured prisms eyeglass are sent under industrial camera.
Step 3.2, industrial camera shoot microstructured prisms microstructure image, the industrial camera key light axis direction and micro- knot
Structure prismatic lens keep exact vertical.
Step 3.3 pre-processes the image obtained to obtain binary image, and with reference to Fig. 4, the pretreatment is specific
Including gradation conversion and image segmentation.
Judge if being unsatisfactory for relational expression (1) or relational expression (2) per stripe in step 3.4, detection binary image
For flaw eyeglass；Binary image in embodiment meets the two conditions.
(1) in formula, what F was indicated is the number for the monitoring point chosen in every stripe, and what a (k) was indicated is a certain monitoring point
The width of corresponding striped, K are a constant, and subsequent artefacts is needed to set, and K is 7 pixels in embodiment.(1) purpose of formula is to ensure
Width of the striped in different location (monitoring point) is roughly equal.
(2) in formula, what A was indicated is striped sum in binary image, and what b (k) was indicated is the width of every stripe, and G is
One constant, needs subsequent artefacts to set, and G is 8 pixels in embodiment.(2) purpose of formula is the mean breadth ensured per stripe
It is roughly equal.
Then it is determined as flaw eyeglass per stripe mean breadth if more than Z in step 3.5, detection binary image.Z is
One constant, needs subsequent artefacts to set, and G is 50 pixels in embodiment.
Step 4, microstructured prisms flaw point and scratch detection, filter out the striped parallel to each other in binary image, then
Whether there is also striped or spots in secondary detection image, are determined as flaw eyeglass if having.
Claims (5)
1. a kind of microstructured prisms eyeglass detecting system, it is characterised in that：The microstructured prisms eyeglass detecting system includes passing
Module, eyeglass decontamination module, stress is sent to check module, fillet and flaw point detection module and image analysis module；
The delivery module is used to microstructured prisms eyeglass to be detected being sent to other modules and reject unqualified
Microstructured prisms eyeglass；
The eyeglass decontamination module is used to carry out abatement processes to microstructured prisms eyeglass to be detected；
The stress checks that module is used to analyze the stress inside microstructured prisms eyeglass；
The fillet and flaw point detection module be used to detect microstructured prisms eyeglass fillet whether qualified and micro-structure rib
Whether scratch or flaw point are had on mirror eyeglass；
Described image analysis module is for analyzing microstructured prisms microstructure image, and according to the handling result of picture to transmission mould
Block sends dependent instruction；
The stress checks that module, fillet and flaw point detection module and delivery module pass through USB line and image analysis module
It is connected.
2. microstructured prisms eyeglass detecting system as described in claim 1, it is characterised in that：The eyeglass decontaminates module
Alcohol washes module and wind turbine drying module, the alcohol washes module is for cleaning microstructured prisms eyeglass to be detected, institute
Wind turbine drying module is stated for the microstructured prisms eyeglass after drying cleaning.
3. microstructured prisms eyeglass detecting system as claimed in claim 1 or 2, it is characterised in that：The delivery module includes
Conveyor modules and mechanical arm module, the conveyor modules are used for transmitting microstructured prisms eyeglass, the mechanical arm module
In capturing and reject underproof microstructured prisms eyeglass.
4. microstructured prisms eyeglass detecting system as claimed in claim 1 or 2, it is characterised in that：The stress checks module
Including eyeglass stress gauge and camara module, the eyeglass stress gauge is used for the stress inside microstructured prisms eyeglass with coloured silk
The form of vitta line shows that the camara module is used to obtain the stress envelope of microstructured prisms eyeglass, and will answer
Power distribution map is sent to image analysis module.
5. microstructured prisms eyeglass detecting system as claimed in claim 1 or 2, it is characterised in that：The fillet and flaw point
Detection module includes lighting module and industrial camera module, and the lighting module provides light source, the work for industrial camera module
Industry camera model is used to obtain the microsctructural photograph of microstructured prisms eyeglass, and photo is sent to image analysis module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181242.3A CN108445021A (en) | 2018-03-06 | 2018-03-06 | Microstructured prisms lens quality detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181242.3A CN108445021A (en) | 2018-03-06 | 2018-03-06 | Microstructured prisms lens quality detecting system |
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| CN108445021A true CN108445021A (en) | 2018-08-24 |
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ID=63193601
Family Applications (1)
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| CN201810181242.3A Pending CN108445021A (en) | 2018-03-06 | 2018-03-06 | Microstructured prisms lens quality detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738448A (en) * | 2018-12-28 | 2019-05-10 | 佛山科学技术学院 | A kind of industrial products intelligent detection device and method |
| CN114472198A (en) * | 2022-04-12 | 2022-05-13 | 江苏南晶红外光学仪器有限公司 | Infrared lens detection device and working method thereof |
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| CN1553139A (en) * | 2003-05-29 | 2004-12-08 | 中国科学院光电技术研究所 | Rapid detection method for structural parameters and surface shape distortion of micro-lens |
| CN101661123A (en) * | 2009-09-27 | 2010-03-03 | 长兴化学工业股份有限公司 | Optical element |
| CN103674360A (en) * | 2013-12-27 | 2014-03-26 | 深圳市斯尔顿科技有限公司 | Lens stress detecting method |
| CN105891233A (en) * | 2016-05-26 | 2016-08-24 | 福州大学 | Intelligent detection system for surface defects of lens based on machine vision and implementation method of intelligent detection system |
| CN107271453A (en) * | 2017-08-11 | 2017-10-20 | 丹阳市雷登智能科技有限公司 | The detection method and detection means of eyeglass |
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2018
- 2018-03-06 CN CN201810181242.3A patent/CN108445021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5249046A (en) * | 1992-03-30 | 1993-09-28 | Kaman Aerospace Corporation | Method and apparatus for three dimensional range resolving imaging |
| CN1553139A (en) * | 2003-05-29 | 2004-12-08 | 中国科学院光电技术研究所 | Rapid detection method for structural parameters and surface shape distortion of micro-lens |
| CN101661123A (en) * | 2009-09-27 | 2010-03-03 | 长兴化学工业股份有限公司 | Optical element |
| CN103674360A (en) * | 2013-12-27 | 2014-03-26 | 深圳市斯尔顿科技有限公司 | Lens stress detecting method |
| CN105891233A (en) * | 2016-05-26 | 2016-08-24 | 福州大学 | Intelligent detection system for surface defects of lens based on machine vision and implementation method of intelligent detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109738448A (en) * | 2018-12-28 | 2019-05-10 | 佛山科学技术学院 | A kind of industrial products intelligent detection device and method |
| CN114472198A (en) * | 2022-04-12 | 2022-05-13 | 江苏南晶红外光学仪器有限公司 | Infrared lens detection device and working method thereof |
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