CN106940319A - Optical fiber image guide device defect detection method and device - Google Patents
Optical fiber image guide device defect detection method and device Download PDFInfo
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- CN106940319A CN106940319A CN201710294371.9A CN201710294371A CN106940319A CN 106940319 A CN106940319 A CN 106940319A CN 201710294371 A CN201710294371 A CN 201710294371A CN 106940319 A CN106940319 A CN 106940319A
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The present invention is, on a kind of optical fiber image guide device defect detection method and device, to be related to optical fiber image guide device detection field, and main purpose is to improve optical fiber image guide device defect detection efficiency and detection accuracy.The technical scheme mainly used for：Optical fiber image guide device defect detection device, including：Optical fiber image guide device rest area to be detected；Light source assembly, towards the first end face irradiation light of the optical fiber image guide device to be detected in the optical fiber image guide device rest area to be detected；Image collection assembly, the image information of IMAQ optical fiber image guide device second end face to be detected；Image analysis module, is electrically connected with described image acquisition component, obtains the image information of described image acquisition component collection, and carry out analysis judgement to the fault geomery in the image information of collection.Relative to the mode of unaided eye discrimination artificial in the prior art, the precision and detection efficiency of differentiation can be improved.
Description
Technical field
The present invention relates to optical fiber image guide device detection field, more particularly to a kind of optical fiber image guide device fault
Detection method and device.
Background technology
Optical fiber image guide device be by many optical fibers silk according to it is certain it is regularly arranged form, can be widely applied to
The photoelectric devices such as image intensifier, image intensifying type CCD, particle detector.Using the total reflection principle at interface, image can be from optics
The first end face of one end of fiber image guide device is sent to the second end face of the other end of optical fiber image guide device.
In the preparation of optical fiber image guide device, it will usually some bad products occur, in optical fiber image guide device
In there is optical imagery fault, such as spot (dim spot), shredded chicken defect.Fault size, quantity and shape will directly determine light
The image quality of fiber image guide device is learned, and then detection and the recognition capability of image device can be influenceed, is that influence optical fiber is passed
The actually used Key Performance Indicator of element.Therefore, fault is essential items for inspection when dispatching from the factory, and it is qualified whether detection fault has reached
Standard.
To in fault factory testing, by the microscopical imaging of naked eye, utilizing the size and shape of micro-judgment fault
Shape, then judge whether product is qualified according to corresponding specification.Because optical fiber image guide device belongs to precise part, fault shape
Shape size is smaller, is difficult to accurately differentiate fault whether in the range of qualified size with naked eyes, testing result is unreliable, and detection effect
Rate is low.
The content of the invention
In view of this, the present invention provides a kind of optical fiber image guide device defect detection method and device, and main purpose exists
In raising optical fiber image guide device defect detection efficiency and detection accuracy.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, embodiments of the invention provide a kind of optical fiber image guide device defect detection device, including：
Optical fiber image guide device rest area to be detected；
Light source assembly, pixel is passed towards the optical fiber to be detected in the optical fiber image guide device rest area to be detected
The first end face irradiation light of part；
Image collection assembly, the image information of IMAQ optical fiber image guide device second end face to be detected；
Image analysis module, is electrically connected with described image acquisition component, obtains the image of described image acquisition component collection
Information, and analysis judgement is carried out to the fault geomery in the image information of collection.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Optionally, foregoing optical fiber image guide device defect detection device, wherein also including：
Ionized air blowing component, ionized air blowing component may include purify air pipeline and air ionization dress
Put, air ionization device is arranged on the air outlet of purify air pipeline, the air outlet of purify air pipeline points to photometry to be checked
Fiber image guide device rest area.
Optionally, foregoing optical fiber image guide device defect detection device, wherein described image acquisition component includes：Into
As using continuous zoom optical microphotograph camera lens, focus adjustment module, path planning module and drive component；
Focus adjustment module, is for adjusting the focal length of image collection assembly imaging continuous zoom optical microphotograph camera lens
One focal length, makes the complete of imaging continuous zoom optical microphotograph camera lens IMAQ optical fiber image guide device second end face to be detected
Portion's image information, focus adjustment module is additionally operable to adjust Jiao of image collection assembly imaging continuous zoom optical microphotograph camera lens
Away from for the second focal length, the image information of optical fiber image guide device second end face to be detected is gathered with enlarged drawing；
Image analysis module, is additionally operable to be believed according to all images of the optical fiber image guide device second end face to be detected
Breath determines central coordinate of circle, diameter or the radius size of the optical fiber image guide device to be detected；
Path planning module, for central coordinate of circle, diameter or the radius according to the optical fiber image guide device to be detected
The multiple planning that size and enlarged drawing gather the image information of optical fiber image guide device second end face to be detected is adopted frame by frame
Collect path；
Optical fiber to be detected in described image acquisition component or the optical fiber image guide device rest area is driven to pass picture
The drive component of element displacement, for drive described image acquisition component with it is to be checked in the optical fiber image guide device rest area
Relative position between photometry fiber image guide device, so that IMAQ photometry to be checked is fine frame by frame for described image acquisition component
Tie up the image information of image guide device second end face different zones.
Optionally, foregoing optical fiber image guide device defect detection device, wherein the light source assembly includes：White is flat
Line light source, diffusing reflection clear glass and optical filter；
The light of the white source of parallel light irradiation is passed sequentially through after the diffusing reflection clear glass, the optical filter, court
The first end face irradiation of optical fiber image guide device to be detected into the optical fiber image guide device rest area to be detected.
Optionally, foregoing optical fiber image guide device defect detection device, wherein the light source assembly includes：White point
Light source, diffusing reflection clear glass and optical filter；
The light of the white spot light irradiation is passed sequentially through after the diffusing reflection clear glass, the optical filter, direction
The first end face irradiation of optical fiber image guide device to be detected in the optical fiber image guide device rest area to be detected.
Optionally, foregoing optical fiber image guide device defect detection device, wherein also including：
Image display unit, is electrically connected with described image analysis module, for showing described image analysis module to collection
Image information in fault geomery carry out analysis judgement result.
On the other hand, embodiments of the invention provide a kind of optical fiber image guide device defect detection method, including：
To the first end face irradiation light of optical fiber image guide device to be detected；
The image information of IMAQ optical fiber image guide device second end face to be detected, and in the image information of collection
Fault geomery carry out analysis judgement.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Optionally, foregoing optical fiber image guide device defect detection method, wherein to treating that optical fiber to be detected passes picture
The ionized air of blowing off of element.
Optionally, foregoing optical fiber image guide device defect detection method, wherein described image gather photometry to be checked
The image information of fiber image guide device second end face, be specially：
The focal length for adjusting image collection assembly imaging continuous zoom optical microphotograph camera lens is the first focal length, and IMAQ is treated
Detect all images information of optics transmitting fiber tow element second end face；
The light-metering to be checked is determined according to all images information of the optical fiber image guide device second end face to be detected
Learn central coordinate of circle, diameter or the radius size of fiber image guide device；
The focal length for adjusting image collection assembly imaging continuous zoom optical microphotograph camera lens is the second focal length, with enlarged drawing
Gather the image information of optical fiber image guide device second end face to be detected；
Adopted according to central coordinate of circle, diameter or the radius size and enlarged drawing of the optical fiber image guide device to be detected
The multiple planning for collecting the image information of optical fiber image guide device second end face to be detected gathers path frame by frame；
Path is gathered frame by frame according to described, frame by frame IMAQ optical fiber image guide device second end face to be detected not same district
The image information in domain.
Optionally, foregoing optical fiber image guide device defect detection method, wherein in the image information of described pair of collection
Fault geomery carry out analysis judgement, specifically include：
And the fault geomery in the image information that gathers frame by frame, place coordinate are analyzed, and by different zones
Fault geomery, place coordinate associated record successively.
Optionally, foregoing optical fiber image guide device defect detection method, wherein in the image information of described pair of collection
Fault geomery carry out analysis judgement, specifically include：
To fault true form size and setting geomery contrast；
If true form size is less than setting geomery, judge that fault is qualified；
If true form size is more than setting geomery, judge that fault is unqualified.
Optionally, foregoing optical fiber image guide device defect detection method, wherein the optical fiber to be detected passes picture
Element is multiple；
Successively to the first end face irradiation light of each optical fiber image guide device to be detected, IMAQ is each to be detected
The image information of optical fiber image guide device second end face, and the fault geomery in the image information of collection is analyzed
Judge.
The optical fiber image guide device defect detection method and dress provided by above-mentioned technical proposal, technical solution of the present invention
Putting at least has following advantages：
Optical fiber image guide device defect detection method and device provided in an embodiment of the present invention, can pass through IMAQ group
The image information of part IMAQ optical fiber image guide device second end face to be detected；Image analysis module obtains described image and adopted
Collect the image information of component collection, and analysis judgement is carried out to the fault geomery in the image information of collection, if fault is real
Border geomery is less than setting geomery, then judges that fault is qualified；If fault true form size is more than setting geomery,
Then judge that fault is unqualified.Relative to the mode of unaided eye discrimination artificial in the prior art, can improve differentiation precision and
Detection efficiency.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of flow signal for optical fiber image guide device defect detection method that embodiments of the invention provide one
Figure；
Fig. 2 is a kind of flow signal for optical fiber image guide device defect detection method that embodiments of the invention provide two
Figure；
Fig. 3 is a kind of flow signal for optical fiber image guide device defect detection method that embodiments of the invention provide three
Figure；
Fig. 4 is a kind of flow signal for optical fiber image guide device defect detection method that embodiments of the invention provide four
Figure；
Fig. 5 is a kind of electric connection structure for optical fiber image guide device defect detection device that embodiments of the invention are provided
Schematic diagram；
Fig. 6 is that a kind of optical fiber image guide device defect detection device that embodiments of the invention are provided connects structural representation
Figure；
Fig. 7 is that the binding structure for another optical fiber image guide device defect detection device that embodiments of the invention are provided shows
It is intended to.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to optical fiber image guide device defect detection method and device proposed by the present invention, it is specific real
Mode, structure, feature and its effect are applied, is described in detail as after.In the following description, different " embodiment " or " embodiment "
What is referred to is not necessarily same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be closed by any
Conformal formula combination.
Embodiment one
As shown in figure 1, a kind of optical fiber image guide device defect detection method that one embodiment of the present of invention is proposed, its
Including：
100th, to the first end face irradiation light of optical fiber image guide device to be detected；
Wherein, there are two end faces, respectively first end face and second end face, light in optical fiber image guide device to be detected
Line can be sent to the second end face of optical fiber image guide device to be detected by the first end face of optical fiber image guide device to be detected；
101st, the image information of IMAQ optical fiber image guide device second end face to be detected, and the image of collection is believed
Fault geomery in breath carries out analysis judgement.
After on the picture rich in detail irradiation image collection assembly target surface of optical fiber image guide device second end face outflow to be detected,
The optical information of collection is converted into the electric signal of simulation, then the power information of simulation is converted into data signal through A/D converter, can
Realize the digitized storage and transfer of image.If there is fault, such as spot, shredded chicken in optical fiber image guide device to be detected
Deng shadow image can be showed in optical fiber image guide device second end face to be detected, according to the moon in the image information of collection
Shadow image (shade can digitize the image confirming of storage by analyzing), so as to can determine whether fault geomery, further basis
The size of fault geomery, can determine whether whether optical fiber image guide device to be detected is qualified.
Specific deterministic process may include：
To fault true form size and setting geomery contrast；
True form size, setting geomery may include to have at least one ginseng in area, girth, length, width etc.
Number；
If true form size is less than setting geomery, judge that fault is qualified；
If true form size is more than setting geomery, judge that fault is unqualified.
Whole parameters are may be set in contrast and meet contrast condition to be qualified, or at least one parameter meets contrast regulation
To be qualified, can be according to reality depending on.
Optical fiber image guide device defect detection method and device provided in an embodiment of the present invention, can pass through IMAQ group
The image information of part IMAQ optical fiber image guide device second end face to be detected；Image analysis module obtains described image and adopted
Collect the image information of component collection, and analysis judgement is carried out to the fault geomery in the image information of collection, if fault is real
Border geomery is less than setting geomery, then judges that fault is qualified；If fault true form size is more than setting geomery,
Then judge that fault is unqualified.Relative to the mode of unaided eye discrimination artificial in the prior art, can improve differentiation accuracy and
Detection efficiency.
Embodiment two
As shown in Fig. 2 a kind of optical fiber image guide device defect detection method that one embodiment of the present of invention is proposed, its
Including：
200th, to the first end face irradiation light of optical fiber image guide device to be detected；
201st, the focal length of regulation image collection assembly imaging continuous zoom optical microphotograph camera lens is the first focal length, and image is adopted
Collect all images information of optical fiber image guide device second end face to be detected；
First focal length can for setting numerical value, according between image collection assembly and optical fiber image guide device to be detected away from
From with depending on image collection assembly lens parameters, meet to the complete of IMAQ optical fiber image guide device second end face to be detected
Portion carries out disposable IMAQ.
202nd, determined according to all images information of the optical fiber image guide device second end face to be detected described to be checked
Central coordinate of circle, diameter or the radius size of photometry fiber image guide device；
According to the image information of the optical fiber image guide device second end face to be detected of acquisition, image processing software can be passed through
Calculate central coordinate of circle, diameter or the radius ruler of generation optical fiber image guide device second end face (second end face is rounded) to be detected
It is very little.
203rd, the focal length of regulation image collection assembly imaging continuous zoom optical microphotograph camera lens is the second focal length, to amplify
The image information of IMAQ optical fiber image guide device second end face to be detected；
Second focal length can for setting numerical value, according between image collection assembly and optical fiber image guide device to be detected away from
From with depending on image collection assembly lens parameters, satisfaction can photograph the image of enough definition, can be with resolution image
Fault.
204th, according to central coordinate of circle, diameter or the radius size and enlarged drawing of the optical fiber image guide device to be detected
As the multiple planning for the image information for gathering optical fiber image guide device second end face to be detected gathers path frame by frame；
The path of collection frame by frame of physical planning can various ways, it is only necessary to can be by optical fiber image guide device to be detected
The IMAQ of the regional of biend is complete, and regional edge overlapped can not overlapped yet.For example
The path of collection frame by frame of planning can be or circular collection path from outside to inside etc. by the circular collection path outside interior.
205th, path is gathered frame by frame according to described, IMAQ optical fiber image guide device second end face to be detected is not frame by frame
With the image information in region.
During the image information for gathering different zones, while coordinate position and collection where recording image information
Image frame, associated record.
206 and in the image information of collection fault geomery carry out analysis judgement.
Specifically：Fault geomery in the image information that gathers frame by frame, place coordinate are analyzed, and by difference
The fault geomery in region, place coordinate associated record successively.
In actually detected, because the fault size in detection optics transmitting fiber tow element is smaller, it is necessary to by IMAQ group
The camera lens amplification of part, the image after amplification can not disposably include the second end face of optical fiber image guide device to be detected whole,
Need multiple separated image to gather, the image for the automation for treating detection optics transmitting fiber tow element can be realized through the above way
Collection and detection and analysis.
Embodiment three
A kind of optical fiber image guide device defect detection method that one embodiment of the present of invention is proposed, it is adaptable to described to treat
It is multiple situations to detect optics transmitting fiber tow element；Method includes：
Successively to the first end face irradiation light of each optical fiber image guide device to be detected；IMAQ is each to be detected
The image information of optical fiber image guide device second end face, and the fault geomery in the image information of collection is analyzed
Judge.
Detailed process can pass through mobile light source, or mobile optical fiber image guide device to be detected.Similarly, can have
Body can pass through mobile image acquisition component, or mobile optical fiber image guide device to be detected.
Specifically, a kind of method of the batch detection optical fiber image guide device provided in the embodiment of the present invention, applicable
In the defect detection of batch.It can be combined with the method in embodiment two, idiographic flow process is：
As shown in figure 3, performing following detecting step successively to multiple optical fiber image guide devices to be detected：
To the first end face irradiation light of optical fiber image guide device to be detected, the imaging of regulation image collection assembly is with continuously
The focal length of zoom optical microphotograph camera lens is the first focal length, the whole of IMAQ optical fiber image guide device second end face to be detected
Image information, realizes the automatic seizure focusing for treating detection optics transmitting fiber tow element, automatic camera；
The light-metering to be checked is determined according to all images information of the optical fiber image guide device second end face to be detected
Learn central coordinate of circle, diameter or the radius size of fiber image guide device；According to the center of circle of the optical fiber image guide device to be detected
Coordinate, diameter or radius size and enlarged drawing gather the image information of optical fiber image guide device second end face to be detected
Multiple planning gathers path frame by frame, realizes that the planning of optical fiber image guide device to be detected gathers path frame by frame；
The focal length for adjusting image collection assembly imaging continuous zoom optical microphotograph camera lens is the second focal length, with enlarged drawing
Gather the image information of optical fiber image guide device second end face to be detected；Path is gathered frame by frame according to described, and image is adopted frame by frame
Collect the image information of optical fiber image guide device second end face different zones to be detected, to the defect in the image information that gathers frame by frame
Point geomery, place coordinate are analyzed, and by the fault geomery of different zones, place coordinate successively associated record,
Realize and treat the defect position for detecting optics transmitting fiber tow element, region recognition, the parameter such as fault area, equivalent diameter is calculated,
Fault parameter, position coordinates are preserved；
To fault true form size and setting geomery contrast；If true form size is less than setting geomery,
Then judge that fault is qualified；If true form size is more than setting geomery, judge that fault is unqualified.
Specifically, detecting step is performed after completing, examining report is printed out.Each defect can be included in examining report
Whether the coordinate that point is present, and each fault are qualified.
Example IV
As shown in figure 4, a kind of optical fiber image guide device defect detection method that one embodiment of the present of invention is proposed, bag
Include：
400th, to the ionized air for treating blowing off of optical fiber image guide device to be detected；
Ionized air is that band is in positive and negative ion in the air after ionization, air, so as to avoid in air particle because of electrostatic
Optical fiber image guide device surface attachment to be detected is being treated, can avoid surveying by mistake.In concrete operations, photometry to be checked may point to fine
The second end face of dimension image guide device blows ionized air；It is preferred that, it is sustainable to treating that optical fiber image guide device to be detected blows
The ionized air of purification.The realization of the ionized air of purification, can be first by the dust-filtering in air, and the air after filtering exists
Ionized and formed.
401st, to the first end face irradiation light of optical fiber image guide device to be detected；
402nd, the image information of IMAQ optical fiber image guide device second end face to be detected, and the image of collection is believed
Fault geomery in breath carries out analysis judgement.
Treat the detection of detection optics transmitting fiber tow element fault, the optical fiber image guide device to be detected that fault is referred to
The internal fault of itself, if external environment is unholiness, second end face may deposited particles shape debris, will certainly cause
The erroneous judgement of testing result.The ionized air of the embodiment of the present invention can avoid in air particle fine in photometry to be checked because of electrostatic
Image guide device surface attachment is tieed up, so as to improve the accuracy of defect detection.
Embodiment five
As shown in Figure 5 and Figure 6, a kind of optical fiber image guide device defect detection dress that one embodiment of the present of invention is proposed
Put, detection optics can be treated by optical fiber image guide device defect detection method of the above-described embodiment one into example IV fine
Image guide device defect detection is tieed up, optical fiber image guide device defect detection device includes：
Optical fiber image guide device rest area 1 to be detected, for placing optical fiber image guide device D10 to be detected；
Light source assembly 2, picture is passed towards the optical fiber to be detected in the optical fiber image guide device rest area 1 to be detected
Element D10 first end face irradiation light；
Image collection assembly 3, the image information of IMAQ optical fiber image guide device D10 second end faces to be detected；
Image analysis module 4, is electrically connected with described image acquisition component 3, obtains the figure of the collection of described image acquisition component 3
Analysis judgement is carried out as information, and to the fault geomery in the image information of collection.
Optical fiber image guide device defect detection method and device provided in an embodiment of the present invention, can pass through IMAQ group
The image information of part IMAQ optical fiber image guide device second end face to be detected；Image analysis module obtains described image and adopted
Collect the image information of component collection, and analysis judgement is carried out to the fault geomery in the image information of collection, if fault is real
Border geomery is less than setting geomery, then judges that fault is qualified；If fault true form size is more than setting geomery,
Then judge that fault is unqualified.Relative to the mode of unaided eye discrimination artificial in the prior art, can improve differentiation accuracy and
Detection efficiency.
Optical fiber image guide device rest area to be detected is used for placing optical fiber image guide device to be detected, makes detection optics
The first end face of fiber image guide device detects the second end face of optics transmitting fiber tow element towards IMAQ towards light source assembly
Component, in light source assembly work, the light of irradiation is passed through after optical fiber image guide device to be detected, is adopted by image collection assembly
Collection.
Optical fiber image guide device rest area to be detected can be a placed side or a fixture, for pressing from both sides
Hold optical fiber image guide device to be detected.It is preferred that, optical fiber image guide device to be detected is suspended on IMAQ group by fixture
Above part, fixture uses in intermediate structure, hollow structure to have and supports optical fiber image guide device to be detected to be suspended on image to adopt
Collect the supporting table above component.In practice, the production of optical fiber image guide device is the production of batch, it is necessary to substantial amounts of optics
Fiber image guide device is detected, in order to realize the optical fiber image guide device detection to batch, optical fiber image guide device to be detected
Rest area has multiple, respectively on moveable mobile platform, by the mobile control to mobile platform, can be treated multiple
Detection optics transmitting fiber tow element rest area is respectively moved to the position between light source assembly and image collection assembly.For example,
Multiple linear arrangements in optical fiber image guide device rest area to be detected are more in mobile platform is moved along rectilinear direction
Individual optical fiber image guide device rest area to be detected is moved to the position between light source assembly and image collection assembly successively.Again
For example, multiple optical fiber image guide device rest areas to be detected are arranged in annular, when mobile platform is with the center of circle of annular
During the center of circle is rotated in one direction, multiple optical fiber image guide device rest areas to be detected be moved to successively light source assembly and
Position between image collection assembly.Moveable mobile platform can realize X on horizontal plane, the accurate movement of Y direction, be to criticize
The platform of product or frock clamp is placed in amount detection.Specifically, mobile platform includes marble platform and mobile platform.It is mobile flat
Platform includes guide rail, leading screw, motor and grating displacement sensor etc..The material of marble platform selects 00 grade and ratings above flatness
Granite material, improve detection accuracy and stability.It is actually used different chis to be selected according to defect detection batch size
Very little marble platform.To ensure the high accuracy of test position fix and resetting, grating displacement sensor uses closed, and it is surveyed
Measure step pitch (resolution ratio) and be better than 0.5 μm, measurement accuracy is ± 2 μm；Leading screw uses ball-type leading screw, and accuracy class is selected at C5 grades
More than；Guide rail selects the leading screw of P grades of above precision, and when walking 300mm, its depth of parallelism should be not more than 2 μm；Selection of Motor is reacted
Formula stepper motor, selection nominal torque are more than 0.45Nm due to load less.
It can use in electric light source or parallel light source, one embodiment of the present of invention, such as scheme in the light source assembly
Shown in 7, the light source assembly includes：White spot light 21a, diffusing reflection clear glass 22a and optical filter 23a；The white
The light of spot light 21a irradiations is passed sequentially through after the diffusing reflection clear glass 22a, the optical filter 23a, towards described to be checked
The first end face irradiation of optical fiber image guide device D10 to be detected in photometry fiber image guide device rest area.Specifically, point
It is to be not less than 150W in halogen bulb, power selection that light source, which can be used,.The need for optical filter is according to detection, different face can be selected
What is selected in the optical filter of color, the embodiment of the present invention is green color filter.In an alternative embodiment of the invention, as shown in fig. 6,
The light source assembly 2 includes：White source of parallel light 21b, diffusing reflection clear glass 22b and optical filter 23b；The white is parallel
The light of light source 21b irradiations is passed sequentially through after the diffusing reflection clear glass 22b, the optical filter 23b, towards described to be detected
The first end face irradiation of optical fiber image guide device D10 to be detected in optical fiber image guide device rest area.Specifically, white
Source of parallel light selects 3V LED sources of parallel light, and LED light source and diffusing reflection clear glass are integrated.Optical filter is according to the need of detection
Will, can select to select in the optical filter of different colours, the embodiment of the present invention is green color filter.Specifically, white is parallel
Light source is coaxial lightses, and one piece and semi-transparent semi-reflecting glass of the white directional light in 45 degree of angles are provided with inside coaxial lamp housing.
By high brightness, the arrangement of highdensity LED array in the circuit board, an area source is formed, the light that area source is sent is irradiated to
On semi-transparent semi-reflecting glass, it is irradiated to through penetrating plate on 45 degree of semi-transparent semi-reflecting glass, reflected light is irradiated to optical fiber to be detected
Fault defect inside the first end face of image guide device, optical fiber image guide device to be detected can enter figure in second end face imaging
As acquisition component.Thus both eliminated it is reflective, turn avoid in image produce image collection assembly inverted image.Object is presented
Go out clearly image, and captured by image collection assembly, for further analyzing and handling.
In certain embodiments, described image acquisition component includes：Imaging continuous zoom optical microphotograph camera lens, for adjusting
The focal length for saving image collection assembly is the first focal length, whole figures of IMAQ optical fiber image guide device second end face to be detected
As information, the focal length of regulation image collection assembly is the second focal length, and optical fiber image guide device to be detected is gathered with enlarged drawing
The image information of second end face；Specifically, it is 1/2 inch of black and white type that imaging prepares CCD with continuous zoom optical microphotograph camera lens, always
Body shows that multiplication factor is not less than 150 times.
As shown in figure 5, treating the auto Image Collection and the analysis that detect optics transmitting fiber tow element, the figure to realize
As acquisition component 3 includes：
Imaging continuous zoom optical microphotograph camera lens 31, focus adjustment module 32, path planning module 33 and driving group
Part 34；
Focus adjustment module, is for adjusting the focal length of image collection assembly imaging continuous zoom optical microphotograph camera lens
One focal length, makes the complete of imaging continuous zoom optical microphotograph camera lens IMAQ optical fiber image guide device second end face to be detected
Portion's image information, focus adjustment module is additionally operable to adjust Jiao of image collection assembly imaging continuous zoom optical microphotograph camera lens
Away from for the second focal length, the image information of optical fiber image guide device second end face to be detected is gathered with enlarged drawing；
Image analysis module 4, is additionally operable to all images according to the optical fiber image guide device second end face to be detected
Information determines central coordinate of circle, diameter or the radius size of the optical fiber image guide device to be detected；
Path planning module, for central coordinate of circle, diameter or the radius according to the optical fiber image guide device to be detected
The multiple planning that size and enlarged drawing gather the image information of optical fiber image guide device second end face to be detected is adopted frame by frame
Collect path；
Optical fiber to be detected in described image acquisition component or the optical fiber image guide device rest area is driven to pass picture
The drive component of element displacement, for drive described image acquisition component with it is to be checked in the optical fiber image guide device rest area
Relative position between photometry fiber image guide device, so that IMAQ photometry to be checked is fine frame by frame for described image acquisition component
Tie up the image information of image guide device second end face different zones.Imaging is led with continuous zoom optical microphotograph camera lens by serial communication
Line is connected with image analysis module, and each two field picture obtained by the collection of imaging continuous zoom optical microphotograph camera lens can pass through figure
As analysis module carries out simulation calculating in real time and analysis, the position coordinates and size of fault in each two field picture are obtained.
The criterion of acceptability and zoning requirements of fault are set by the runnable interface of software, it is possible to realize the examination to fault, judge production
Whether product fault index is qualified.
Specifically, above-mentioned optical fiber image guide device defect detection device, also includes：Image display unit 5, image is shown
Component is electrically connected with described image analysis module, for showing described image analysis module to the fault in the image information of collection
Geomery carries out the result of analysis judgement.
Embodiment six
As shown in fig. 6, a kind of optical fiber image guide device defect detection device that one embodiment of the present of invention is proposed, can
Detection optics transmitting fiber tow is treated by optical fiber image guide device defect detection method of the above-described embodiment one into example IV
Element defect detection, optical fiber image guide device defect detection device includes：
Optical fiber image guide device rest area 1 to be detected；
Ionized air is dried component 6, and its blowing mouth is towards the optical fiber image guide device rest area to be detected；
Light source assembly 2, picture is passed towards the optical fiber to be detected in the optical fiber image guide device rest area to be detected
The first end face irradiation light of element；
Image collection assembly 3, the image information of IMAQ optical fiber image guide device second end face to be detected；
Image analysis module 4, is electrically connected with described image acquisition component, obtains the image of described image acquisition component collection
Information, and analysis judgement is carried out to the fault geomery in the image information of collection.
In specific implementation, ionized air blowing component may include purify air pipeline and air ionization device, air
Ionization device is arranged on the air outlet of purify air pipeline, and the air outlet of purify air pipeline points to optical fiber to be detected and passes picture
Component placing region.It is preferred that, the air outlet of purify air pipeline can have multiple (multiple pipelines not shown in figure), be centered around figure
Picture acquisition component one week, it is inclined to point to optical fiber image guide device rest area to be detected.Specifically, purify air pipeline goes out
Air port can have 4.Specifically, the degree of purification requirement of purify air is not less than 100 grades.Air ionization device can ensure that optics is fine
Tie up in image guide device defect detection device detection process, the air that optical fiber image guide device end face to be detected is ionized always is clean
Only blow, so as to exclude the influence of extraneous factor.
The beneficial effect of the embodiment of the present invention：
1) embodiment of the present invention can realize the Aulomatizeted Detect of fibre optic image transmission element internal fault, can not only avoid people
For the influence of subjective determination, the reliability and accuracy of testing result are improved, while the detection effect of fault can also be significantly improved
Rate, the cost of personnel is reduced from face.
2) embodiment of the present invention is to the simple to operate of the Aulomatizeted Detect of fibre optic image transmission element internal fault, it is not necessary to more
Professional knowledge background, it is easy to train, more suitable for the defect detection of batch production.
3) embodiment of the present invention is good to the Aulomatizeted Detect instrument compatibility of fibre optic image transmission element internal fault, not only can be with
The automatic detection of fault is realized, the automatic measurement of physical appearance size can be also realized.And calculating and the analysis software of instrument
It is open good, can constantly upgrade acquisition more preferably using effect.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
It is understood that the correlated characteristic in said apparatus can be referred to mutually.In addition, in above-described embodiment " the
One ", " second " etc. is to be used to distinguish each embodiment, and does not represent the quality of each embodiment.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the device of the disclosure should be construed to reflect following intention：It is i.e. required to protect
The application claims of shield features more more than the feature being expressly recited in each claim.More precisely, such as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following embodiment are expressly incorporated in the embodiment, wherein each claim is in itself
All as the separate embodiments of the present invention.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the part in the device in embodiment
Change and they are arranged in one or more devices different from the embodiment.Can be the component combination in embodiment
Into a part, and multiple subassemblies can be divided into addition.Except at least some in such feature are mutual
, can be using any combinations to the institute disclosed in this specification (including adjoint claim, summary and accompanying drawing) outside repulsion
There are feature and all parts of so disclosed any device to be combined.Unless expressly stated otherwise, this specification (including
Adjoint claim, summary and accompanying drawing) disclosed in each feature can or similar purpose identical, equivalent by offer replacement
Feature is replaced.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in of the invention
Within the scope of and form different embodiments.For example, in the following claims, times of embodiment claimed
One of meaning mode can be used in any combination.The present invention all parts embodiment can be realized with hardware, or
Realized with combinations thereof.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Part or component listed in the claims.Word "a" or "an" before part or component does not exclude the presence of multiple
Such part or component.The present invention can be realized by means of including the device of some different parts.It is some listing
In the claim of part, several in these parts can be embodied by same part.Word first,
Second and third use do not indicate that any order.These words can be construed to title.
The above, is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, according to
Any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still fall within this hair
In the range of bright technical scheme.
Claims (13)
1. a kind of optical fiber image guide device defect detection device, it is characterised in that including：
Optical fiber image guide device rest area to be detected；
Light source assembly, towards the optical fiber image guide device to be detected in the optical fiber image guide device rest area to be detected
First end face irradiation light；
Image collection assembly, the image information of IMAQ optical fiber image guide device second end face to be detected；
Image analysis module, is electrically connected with described image acquisition component, obtains the image information of described image acquisition component collection,
And analysis judgement is carried out to the fault geomery in the image information of collection.
2. optical fiber image guide device defect detection device according to claim 1, it is characterised in that also include：
Ionized air blowing component, ionized air blowing component may include purify air pipeline and air ionization device,
Air ionization device is arranged on the air outlet of purify air pipeline, and the air outlet of purify air pipeline points to optical fiber to be detected
Image guide device rest area.
3. optical fiber image guide device defect detection device according to claim 1, it is characterised in that
Described image acquisition component includes：Imaging continuous zoom optical microphotograph camera lens, focus adjustment module, path planning module
And drive component；
Focus adjustment module, it is burnt for first for adjusting the focal length of image collection assembly imaging continuous zoom optical microphotograph camera lens
Away from making whole figures of imaging continuous zoom optical microphotograph camera lens IMAQ optical fiber image guide device second end face to be detected
As information, focus adjustment module, be additionally operable to regulation image collection assembly imaging is with the focal length of continuous zoom optical microphotograph camera lens
Second focal length, the image information of optical fiber image guide device second end face to be detected is gathered with enlarged drawing；
Image analysis module, is additionally operable to true according to all images information of the optical fiber image guide device second end face to be detected
Central coordinate of circle, diameter or the radius size of the fixed optical fiber image guide device to be detected；
Path planning module, for central coordinate of circle, diameter or the radius size according to the optical fiber image guide device to be detected
And the multiple planning of the image information of enlarged drawing collection optical fiber image guide device second end face to be detected gathers road frame by frame
Footpath；
Drive optical fiber image guide device to be detected in described image acquisition component or the optical fiber image guide device rest area
The drive component of displacement, for driving described image acquisition component and light-metering to be checked in the optical fiber image guide device rest area
The relative position between fiber image guide device is learned, so that IMAQ optical fiber to be detected is passed described image acquisition component frame by frame
The image information of element second end face different zones.
4. optical fiber image guide device defect detection device according to claim 1, it is characterised in that
The light source assembly includes：White source of parallel light, diffusing reflection clear glass and optical filter；
The light of the white source of parallel light irradiation is passed sequentially through after the diffusing reflection clear glass, the optical filter, towards institute
State the first end face irradiation of the optical fiber image guide device to be detected in optical fiber image guide device rest area to be detected.
5. optical fiber image guide device defect detection device according to claim 1, it is characterised in that
The light source assembly includes：White spot light, diffusing reflection clear glass and optical filter；
The light of the white spot light irradiation is passed sequentially through after the diffusing reflection clear glass, the optical filter, described in
The first end face irradiation of optical fiber image guide device to be detected in optical fiber image guide device rest area to be detected.
6. optical fiber image guide device defect detection device according to claim 1, it is characterised in that also include：
Image display unit, is electrically connected with described image analysis module, for showing figure of the described image analysis module to collection
As the fault geomery in information carries out the result of analysis judgement.
7. a kind of optical fiber image guide device defect detection method, it is characterised in that including：
To the first end face irradiation light of optical fiber image guide device to be detected；
The image information of IMAQ optical fiber image guide device second end face to be detected, and to the defect in the image information of collection
Point geomery carries out analysis judgement.
8. optical fiber image guide device defect detection method according to claim 7, it is characterised in that also include：
To the ionized air for treating blowing off of optical fiber image guide device to be detected.
9. optical fiber image guide device defect detection method according to claim 7, it is characterised in that
Described image gathers the image information of optical fiber image guide device second end face to be detected, is specially：
The focal length for adjusting image collection assembly imaging continuous zoom optical microphotograph camera lens is the first focal length, and IMAQ is to be detected
The all images information of optical fiber image guide device second end face；
Determine that the photometry to be checked is fine according to all images information of the optical fiber image guide device second end face to be detected
Tie up central coordinate of circle, diameter or the radius size of image guide device；
The focal length for adjusting image collection assembly imaging continuous zoom optical microphotograph camera lens is the second focal length, is gathered with enlarged drawing
The image information of optical fiber image guide device second end face to be detected；
Treated according to central coordinate of circle, diameter or the radius size of the optical fiber image guide device to be detected and enlarged drawing collection
Detect that the multiple planning of the image information of optics transmitting fiber tow element second end face gathers path frame by frame；
Path is gathered frame by frame according to described, frame by frame IMAQ optical fiber image guide device second end face different zones to be detected
Image information.
10. optical fiber image guide device defect detection method according to claim 9, it is characterised in that
Fault geomery in the image information of described pair of collection carries out analysis judgement, specifically includes：
And the fault geomery in the image information that gathers frame by frame, place coordinate are analyzed, and by the defect of different zones
Put geomery, place coordinate associated record successively.
11. optical fiber image guide device defect detection method according to claim 7, it is characterised in that
Fault geomery in the image information of described pair of collection carries out analysis judgement, specifically includes：
To fault true form size and setting geomery contrast；
If true form size is less than setting geomery, judge that fault is qualified；
If true form size is more than setting geomery, judge that fault is unqualified.
12. optical fiber image guide device defect detection method according to claim 7, it is characterised in that
The optical fiber image guide device to be detected is multiple；
Successively to the first end face irradiation light of each optical fiber image guide device to be detected, each photometry to be checked of IMAQ
The image information of fiber image guide device second end face, and the fault geomery progress analysis in the image information of collection is sentenced
It is disconnected.
13. optical fiber image guide device defect detection method according to claim 7, it is characterised in that
Optical fiber biography is carried out using any described optical fiber image guide device defect detection device in the claims 1-6
Element defect detection.
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