CN207423829U - Glass defect detection device - Google Patents
Glass defect detection device Download PDFInfo
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- CN207423829U CN207423829U CN201721247288.8U CN201721247288U CN207423829U CN 207423829 U CN207423829 U CN 207423829U CN 201721247288 U CN201721247288 U CN 201721247288U CN 207423829 U CN207423829 U CN 207423829U
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Abstract
The utility model belongs to product defects detection field more particularly to a kind of glass defect detection device, including：Frame main body,Transmission unit,Light illuminating unit,Imaging unit,Image acquisition units,Data processing unit,Control unit,Rotation regulating mechanism,The rotation regulating mechanism is arranged in the frame main body,The light illuminating unit and described image collecting unit are arranged on the rotation regulating mechanism,The mutual alignment relation between the light illuminating unit and described image collecting unit is adjusted in the rotation regulating mechanism,Enable described image collecting unit need to carry out according to detection it is bright,Details in a play not acted out on stage, but told through dialogues converts,The utility model is integrated with a variety of polishing schemes in a test position,The imaging lens and line-scan digital camera of different angle,It disclosure satisfy that number of drawbacks testing requirements,Improve detection efficiency,Suitable for the flow work occasion,The rate that reports an error is low,Accuracy of detection is high,It can long-time stable work,Save a large amount of labo r resources,It has broad application prospects.
Description
Technical field
The invention belongs to a kind of all kinds of defects detections of product defects detection field more particularly to hand-set lid glass dresses
It puts.
Background technology
As people are higher and higher to product quality requirement, presentation quality becomes consumer and selects the important of electronic product
Factor, hand-set lid glass are a kind of tempered glass, and tempered glass is also known as strengthened glass, it is a kind of prestressed glass, usually
Using method chemically or physically, compression is formed in glass surface, glass bears to offset surface layer pressure first during external force, so as to
Bearing capacity is improved, thus tempered glass is widely used in the necks such as mobile phone screen, building doors and windows, glass curtain wall, electronic instrument
Domain.It needs to place metal stationary support in glass top surface in the manufacture craft of tempered glass to ensure the parallel of glass
Degree, but since glass material is different from the material properties of metal stationary support, the expansion coefficient difference of the two is very big, causes steel
Change and handle glass flatness in itself, thickness afterwards and be difficult to ensure that unanimously, the tempered glass surface easily after processing and manufacturing
Generate chipping, bumps, white point, weigh wounded, number of drawbacks, the various defects in tempered glass surface such as cut, tooth lack, IR black-white points are deposited
Not only the appearance of the products such as hand-set lid glass is being impacted, the use of hand-set lid can be also directly affected when defect is serious
Performance, thus it is how quick, efficient, intelligentized the tempered glass surface defect such as hand-set lid glass is detected, not only
It is related to the development of enterprise, even more all has very important significance to all relevant industries.
For tempered glass defects detection, traditional approach is mostly artificial naked eyes Direct Recognition, this detection mode detection effect
Rate is low, and detection labor intensity is big, manually works long hours and easily causes visual fatigue, cause accuracy of detection low, although present city
Occur a variety of associated assay devices on field successively, but existing assay device structures are complicated, manufacture is with high costs and right
The rate that reports an error of interiors of products defect, hole edge defect and side defects detection is high.Importantly, the work(of detection device detection at present
Can be single, comprehensive detection can not be carried out to product all defect to be checked, when in face of number of drawbacks testing requirements, then can only purchased
A variety of detection devices are bought, large area measurement space need to be occupied, has higher requirements to detection place, and needs to waste a large amount of people
Power, detection efficiency are very low.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, and providing one kind can comprehensive detection hand-set lid glass
Various defects, assembly line fast pace working condition can be suitable for, detection efficiency is high, save a large amount of manpowers, and accuracy of detection
High glass defect detection device.
Technical solution is used by the present invention solves above-mentioned the deficiencies in the prior art：
A kind of glass defect detection device, which is characterized in that including：
Frame main body, the parts that the frame main body is disposed thereon for carrying；
Transmission unit is arranged on the frame main body upper end, for being transmitted to workpiece to be checked；
Light illuminating unit is arranged in the frame main body, for providing illumination to defects detection；
Imaging unit, the light that the light illuminating unit is sent are imaged after workpiece to be checked into the imaging unit；
Image acquisition units connect the imaging unit, and the image obtained to the imaging unit is acquired；
Data processing unit, connect described image collecting unit, and to described image collecting unit the image collected into
Row calculating processing；
Rotation regulating mechanism is arranged in the frame main body, and the light illuminating unit and described image collecting unit are set
On the rotation regulating mechanism, the rotation regulating mechanism is to the phase between the light illuminating unit and described image collecting unit
Mutual position relationship is adjusted, and described image collecting unit is enable to be needed to carry out bright, details in a play not acted out on stage, but told through dialogues conversion according to detection；
Control unit is electrically connected respectively with the transmission unit, image acquisition units, data processing unit.
Preferably, heretofore described rotation regulating mechanism is that fixed frame and rotation are equipped in the frame main body
Arm, the rotating arm is at least provided with one, and the rotating arm can carry out 360 ° of continuous rotations.By setting 360 ° of rotations of rotating arm
Turn, conveniently the mutual alignment relation between the light illuminating unit and described image collecting unit can be adjusted,
Described image collecting unit is enable to carry out bright, details in a play not acted out on stage, but told through dialogues according to detection actual needs to change, meets number of drawbacks testing requirements, carries
High detection efficiency.
Preferably, heretofore described rotating arm includes first rotating arm and the second rotating arm.By setting two rotations
Arm can be more flexible the adjusting light illuminating unit and described image collecting unit between mutual alignment relation, make Image Acquisition
Unit faster transforms to required detection environment, further improves detection efficiency.
Preferably, heretofore described light illuminating unit includes first light source and secondary light source, and the first light source is arranged on
On fixed frame above the transmission unit, the secondary light source is arranged on the first rotating arm.The setting of two light sources
It adjusts apparatus of the present invention more flexible and convenient, and can adapt to detect occasion in number of drawbacks, improve the scope of application.
Preferably, image acquisition units of the present invention are the first line-scan digital camera, and first line-scan digital camera is arranged on
In frame main body below the transmission unit, by using high-resolution lines array camera, accuracy of detection is improved.
Preferably, image acquisition units of the present invention further include the second line-scan digital camera, and second line-scan digital camera is set
It puts on second rotating arm.By setting the second line-scan digital camera on the second rotating arm, apparatus of the present invention can be adjusted
It is more flexibly convenient, meet number of drawbacks testing requirements simultaneously.
Preferably, rotation regulating mechanism of the present invention is equipped with camera micro-adjusting mechanism, and the camera micro-adjusting mechanism is set
It puts on second rotating arm.The second line-scan digital camera can be finely adjusted by camera micro-adjusting mechanism, adjust Image Acquisition
The operating distance of unit and workpiece to be checked makes image acquisition units collect clearly image, improves accuracy of detection.
Preferably, rotation regulating mechanism of the present invention further includes dial, and the dial is separately positioned on described
In frame main body at left and right sides of fixed frame.It, can be with assist operators by setting dial respectively in frame main body both sides
Mutual alignment relation between whole dynamic knowledge lighting unit and image acquisition units, allowing the operator to quickly will illumination
Unit is adjusted to required special angle with image acquisition units, improves detection efficiency and accuracy of detection.
Preferably, transmission unit of the present invention is that ball screw, driving are respectively equipped in frame main body both sides upper end
Motor and guide rail, the nut of the ball screw are equipped with workpiece gauge, the screw rod connection driving electricity of the ball screw
Machine, the guide rail are equipped with slide, and the slide is fixed at the workpiece gauge lower end.Workpiece to be checked is placed during use
On workpiece gauge, ball screw rotation is driven by driving motor, workpiece to be checked is moved to detection by the front end of apparatus of the present invention
Station.
Preferably, workpiece gauge of the present invention include jig body, the support portion that is arranged in jig body and
The hollow bulb of up/down perforation, the geomery of the hollow bulb and the geomery of workpiece to be checked match, and the support portion is
The jig body is extended to form to the edge four corners of the hollow bulb, to support workpiece to be checked.Apparatus of the present invention pass through
The hollow bulb of support portion and up/down perforation on workpiece gauge is set, can not only play the function of supporting workpiece to be checked, but also can
To avoid the influence of reflection light in workpiece gauge, accuracy of detection is improved.
The invention has the advantages that the present invention is the glass defect detection device based on machine vision, due to the present invention
Including the rotation regulating mechanism being arranged in frame main body, the light illuminating unit and described image collecting unit are arranged on the rotation
Turn on adjusting mechanism, the rotation regulating mechanism closes the mutual alignment between the light illuminating unit and described image collecting unit
System is adjusted, and described image collecting unit is enable to be needed to carry out bright, details in a play not acted out on stage, but told through dialogues conversion according to detection, thus uses present invention dress
It, can be conveniently between the light illuminating unit and described image collecting unit by using rotation regulating mechanism when putting
Mutual alignment relation is adjusted, and described image collecting unit is enable to carry out bright, details in a play not acted out on stage, but told through dialogues according to detection actual needs and is changed,
One test position is integrated with the imaging lens and line-scan digital camera of a variety of polishing schemes, different angle, successfully solves single lack
Test problems are fallen into, surface defect, internal flaw and the hole edge of hand-set lid coloured glaze and lateral edges defect can be detected, met a variety of
Defects detection requirement, improves detection efficiency, can be suitable for the flow work occasion, while apparatus of the present invention use high-resolution
Line-scan digital camera and the minimum imaging lens of distorting, the rate that reports an error is low, and accuracy of detection is high, can long-time stable work, save a large amount of
Labo r resources drastically increase work efficiency.
Description of the drawings
Fig. 1 is a kind of example structure schematic diagram of apparatus of the present invention and a kind of preferred embodiment schematic diagram.
Fig. 2 is the structure diagram of frame main body of the present invention.
Fig. 3 is the structure diagram of rotation regulating mechanism of the present invention.
Fig. 4 is the example structure schematic diagram of camera micro-adjusting mechanism of the present invention.
Fig. 5 is a kind of structure diagram of workpiece gauge of the present invention.
Fig. 6 is another structure diagram of workpiece gauge of the present invention.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
The present invention basic principle can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
Fig. 1-Fig. 6 shows that a kind of example structure schematic diagram of glass defect detection device of the present invention and one kind are excellent
Select embodiment schematic diagram.As shown in Figure 1 and Figure 2, the glass defect detection device described in the present embodiment includes frame main body 10, passes
Send unit 20, light illuminating unit 30, imaging unit 40, image acquisition units 50, rotation regulating mechanism 60, data processing unit 70,
Control unit 80, wherein, for carrying the parts being disposed thereon, the transmission unit 20 is arranged on the frame main body 10
Workpiece to be checked for being transmitted to workpiece to be checked, is transplanted on detection station by the frame main body upper end by feeding station, and
Workpiece after detection is transplanted on discharge station by detection station, realization automatically delivers detection, improves detection efficiency.The illumination
Unit 30, imaging unit 40 and image acquisition units 50 are separately positioned in the frame main body, and the light illuminating unit 30 is used for
Illumination is provided to defects detection, the light that the light illuminating unit 30 is sent is carried out into after workpiece to be checked into the imaging unit 40
Picture, described image collecting unit 50 connect the imaging unit 40, and described image collecting unit 50 obtains the imaging unit 40
The image obtained is acquired；Described image collecting unit 50 connects data processing unit 70, and the data processing unit is to described
Image acquisition units the image collected carries out calculating processing.The rotation regulating mechanism 60 is arranged on the frame main body 10
On, the light illuminating unit and described image collecting unit are arranged on the rotation regulating mechanism, the rotation regulating mechanism pair
Mutual alignment relation between the light illuminating unit and described image collecting unit is adjusted, and enables described image collecting unit
It is enough to need to carry out bright, details in a play not acted out on stage, but told through dialogues according to detection to convert, it realizes different detection modes, flexibly tackles operator to various defects not
With the demand of detection mode.For example, the detection for hand-set lid glass surface cut, can be examined using normal reflection light field mode
It surveys, but for other defects detection, operator may be also required to the detection of normal reflection dark-field manner, be adjusted at this time by adjusting rotation
Mechanism can easily and effectively meet this demand of operator.Described control unit respectively with the transmission unit, Image Acquisition
Unit and data processing unit are electrically connected, for carrying out work to transmission unit, image acquisition units and data processing unit
Make process control.
Preferably, as shown in figure 3, rotation regulating mechanism 60 described in the present embodiment is in the rack master
Body is equipped with fixed frame 61 and rotating arm, and the rotating arm is at least provided with one, and the rotating arm can carry out 360 ° continuously
Rotation.By setting the rotation of 360 ° of rotating arm, can conveniently to the light illuminating unit and described image collecting unit it
Between mutual alignment relation be adjusted, described image collecting unit is enable to carry out bright, details in a play not acted out on stage, but told through dialogues according to detection actual needs and is become
Change, meet number of drawbacks testing requirements, improve detection efficiency.Preferably, as seen from Figure 3, rotated described in the present embodiment
Arm includes 62 and second rotating arm 63 of first rotating arm.By set two rotating arms can be more flexible the adjusting illumination list
Mutual alignment relation between member and described image collecting unit, makes image acquisition units faster transform to required inspection
Environment is surveyed, further improves detection efficiency.Preferably, the rotation regulating mechanism described in the present embodiment further includes dial 64,
The dial is separately positioned in the frame main body 10 of 61 left and right sides of fixed frame.By distinguishing in frame main body both sides
Dial is set, can be closed with the mutual alignment between assist operators' whole process dynamic knowledge lighting unit and image acquisition units
System allows the operator to that lighting unit and image acquisition units quickly are adjusted to required special angle, improves inspection
Survey efficiency and accuracy of detection.
Preferably, light illuminating unit 30 described in the present embodiment includes first light source 31 and secondary light source 32,
The first light source 31 is arranged on the fixed frame 61 above the transmission unit, and the secondary light source 32 is arranged on described first
On rotating arm 62.It is more flexible and convenient that the setting of two light sources adjusts apparatus of the present invention, and can adapt to examine in number of drawbacks
Occasion is surveyed, improves the scope of application.Certainly, light illuminating unit 30 can also include the 3rd light source, the 4th light source etc., the number of light source
It can be added according to actually detected, the position of light source can also be enterprising with rotating arm in fixed frame according to actual needs
Row is flexibly exchanged, and the present invention is not defined.
Preferably, the imaging unit 40 described in the present embodiment is described using the minimum imaging lens that distort
Image acquisition units 50 are the first line-scan digital camera 51, and first line-scan digital camera is arranged on the rack master below the transmission unit
On body, by using high-resolution lines array camera, accuracy of detection is improved.Preferably, the Image Acquisition list described in the present embodiment
Member further includes the second line-scan digital camera 52, and second line-scan digital camera is arranged on second rotating arm.By in the second rotation
Second line-scan digital camera on arm is set, can adjust apparatus of the present invention more flexibly convenient, meets number of drawbacks while detection will
It asks.Certainly, described image collecting unit can also include three line scanner camera, the 4th line-scan digital camera etc., and the number of camera can
To be added according to actually detected, the position of camera can also be enterprising with rotating arm in frame main body according to actual needs
Row is flexibly exchanged, and the present invention is not defined, it is worth mentioning at this point that, the front end of camera is equipped with imaging lens.
Preferably, the rotation regulating mechanism 60 described in the present embodiment is equipped with camera micro-adjusting mechanism 65, such as
Shown in Fig. 1, Fig. 4, the camera micro-adjusting mechanism is arranged on second rotating arm, and the imaging lens and camera are arranged on institute
It states on camera micro-adjusting mechanism.Camera can be finely adjusted by camera micro-adjusting mechanism, adjustment image acquisition units and work to be checked
The operating distance of part makes image acquisition units collect clearly image, improves accuracy of detection.
Preferably, the transmission unit 20 described in the present embodiment is respectively equipped in frame main body both sides upper end
Ball screw 21, driving motor 22 and guide rail 23, the nut of the ball screw 21 are equipped with workpiece gauge 24, the ball wire
The screw rod of bar connects the driving motor, and the guide rail is equipped with slide 25, and the slide is fixed at the workpiece gauge
Lower end.Workpiece to be checked is placed on workpiece gauge during use, ball screw rotation is driven by driving motor, workpiece to be checked is by this
The front end of invention device is moved to detection station.
Preferably, as shown in figure 5, the workpiece gauge 24 described in the present embodiment includes jig body 240, institute
It states and sliding part 241 is respectively equipped on the length and width direction of jig body, the sliding part is along the jig body length and width direction
It is moved back and forth, the workpiece to be checked is placed within the space that the sliding part is formed, and the jig body 240 is transparent
Material is made, and is preferably glass, and workpiece to be checked can be fixed on to sliding part by the back-and-forth motion of sliding part during use is formed
Space, workpiece to be checked is avoided to be subjected to displacement in transmit process, improves accuracy of detection.It is furthermore preferred that in order to avoid gauge
Body impacts accuracy of detection, and the present invention also provides the workpiece gauge of another optimization, workpiece as shown in Figure 6 is controlled
Tool, the hollow bulb 244 including jig body 242, the support portion being arranged in jig body 243 and up/down perforation, in described
The geomery in empty portion and the geomery of workpiece to be checked match, and the support portion is the jig body to the hollow bulb
Edge four corners extend to form, to support workpiece to be checked.On workpiece gauge described in the present embodiment set support portion and
The hollow bulb of up/down perforation can not only play the function of supporting workpiece to be checked, but also can be to avoid reflection light in workpiece gauge
It influences, further improves the accuracy of detection of apparatus of the present invention.
Data processing unit described in the present embodiment can be have data processing software all-purpose computer or specially
With data processor, control unit is based on programmable controller PLC（Programmable Logic Controller）Work
Control machine, since this is mature technology of the prior art, thus details are not described herein.
The present invention detection process be：
Industrial personal computer primary control program is opened, complete machine machinery back to zero sets complete machine running parameter.
Industrial personal computer control driving motor work, driving motor drive ball screw rotation, workpiece gauge are made to be regarded positioned at camera
In wild scope, and correcting plate is placed at the location of workpiece to be checked, adjust polishing direction and the intensity of light source, fine tuning camera fine tuning knot
Structure makes camera lens in its operating distance.Then, bright, dark field correction is carried out to camera, correction result imports camera and sets exposure
The relevant operating parameters such as time, aperture.
Industry control mechanism controls driving motor works, and driving motor drives ball screw rotation, and workpiece gauge is made to be located at feeding
Station is placed and fixes workpiece to be checked, and such as hand-set lid glass, workpiece motion s speed and camera image are set on industrial personal computer
Gather initial position.
Each full wind-up of rotation regulating mechanism is adjusted, meets the position relationship of each light source and camera specific to be checked
The polishing mode of defect.
By driving motor workpiece gauge is driven to move, workpiece to be checked is made at the uniform velocity to pass through linear array under the drive of workpiece gauge
The field range of camera, at this time the code device signal of driving motor also will by main program inform camera image gather frequency,
Ensure that the speed of service of workpiece to be checked is consistent with the Image Acquisition speed of camera.
Data are sent to data processing unit by image pick-up card after camera progress Image Acquisition analyze simultaneously really
Determine defect classification, size and location.
It should be understood by those skilled in the art that foregoing description and attached the embodiment of the present invention shown in figure are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.The function and structural principle of the present invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (10)
1. a kind of glass defect detection device, which is characterized in that including：
Frame main body, the parts that the frame main body is disposed thereon for carrying；
Transmission unit is arranged on the frame main body upper end, for being transmitted to workpiece to be checked；
Light illuminating unit is arranged in the frame main body, for providing illumination to defects detection；
Imaging unit, the light that the light illuminating unit is sent are imaged after workpiece to be checked into the imaging unit；
Image acquisition units connect the imaging unit, and the image obtained to the imaging unit is acquired；
Data processing unit connects described image collecting unit, and described image collecting unit the image collected is counted
Calculation is handled；
Rotation regulating mechanism is arranged in the frame main body, and the light illuminating unit and described image collecting unit are arranged on institute
It states on rotation regulating mechanism, the rotation regulating mechanism is to the mutual position between the light illuminating unit and described image collecting unit
The relation of putting is adjusted, and described image collecting unit is enable to be needed to carry out bright, details in a play not acted out on stage, but told through dialogues conversion according to detection；
Control unit is electrically connected respectively with the transmission unit, image acquisition units, data processing unit.
2. glass defect detection device according to claim 1, which is characterized in that the rotation regulating mechanism is described
Frame main body is equipped with fixed frame and rotating arm, and the rotating arm is at least provided with one, and the rotating arm can carry out 360 °
Continuous rotation.
3. glass defect detection device according to claim 2, which is characterized in that the rotating arm includes first rotating arm
With the second rotating arm.
4. glass defect detection device according to claim 3, which is characterized in that the light illuminating unit includes first light source
And secondary light source, the first light source are arranged on the fixed frame above the transmission unit, the secondary light source is arranged on institute
It states on first rotating arm.
5. the glass defect detection device according to claim 3 or 4, which is characterized in that the image acquisition units are
First line-scan digital camera, first line-scan digital camera are arranged in the frame main body below the transmission unit.
6. glass defect detection device according to claim 5, which is characterized in that the image acquisition units further include
Second line-scan digital camera, second line-scan digital camera are arranged on second rotating arm.
7. according to the glass defect detection device described in claim 1 or 2 or 3 or 4, which is characterized in that the rotation is adjusted
Mechanism is equipped with camera micro-adjusting mechanism.
8. the glass defect detection device according to Claims 2 or 3 or 4, which is characterized in that the rotation regulating mechanism
Dial is further included, the dial is separately positioned in the frame main body at left and right sides of the fixed frame.
9. according to the glass defect detection device described in claim 1 or 2 or 3 or 4, which is characterized in that the transmission unit
It is to be respectively equipped with ball screw, driving motor and guide rail in frame main body both sides upper end, the nut of the ball screw is equipped with
Workpiece gauge, the screw rod of the ball screw connect the driving motor, and the guide rail is equipped with slide, and the slide fixation is set
It puts in the workpiece gauge lower end.
10. glass defect detection device according to claim 9, which is characterized in that the workpiece gauge includes gauge
The hollow bulb of body, the support portion being arranged in jig body and up/down perforation, the geomery of the hollow bulb with it is to be checked
The geomery of workpiece matches, and the support portion is edge four corners extension shape of the jig body to the hollow bulb
Into to support workpiece to be checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247288.8U CN207423829U (en) | 2017-09-27 | 2017-09-27 | Glass defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247288.8U CN207423829U (en) | 2017-09-27 | 2017-09-27 | Glass defect detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207423829U true CN207423829U (en) | 2018-05-29 |
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ID=62313032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721247288.8U Active CN207423829U (en) | 2017-09-27 | 2017-09-27 | Glass defect detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607549A (en) * | 2017-09-27 | 2018-01-19 | 深圳精创视觉科技有限公司 | Glass defect detection device |
| CN111579553A (en) * | 2020-05-26 | 2020-08-25 | 苏州京浜光电科技股份有限公司 | Simple pulse-based inspection tester |
-
2017
- 2017-09-27 CN CN201721247288.8U patent/CN207423829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607549A (en) * | 2017-09-27 | 2018-01-19 | 深圳精创视觉科技有限公司 | Glass defect detection device |
| WO2019062296A1 (en) * | 2017-09-27 | 2019-04-04 | 深圳精创视觉科技有限公司 | Glass flaw detecting device |
| CN111579553A (en) * | 2020-05-26 | 2020-08-25 | 苏州京浜光电科技股份有限公司 | Simple pulse-based inspection tester |
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