CN115598136B - Screen gluing quality detection device - Google Patents
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- CN115598136B CN115598136B CN202211338420.1A CN202211338420A CN115598136B CN 115598136 B CN115598136 B CN 115598136B CN 202211338420 A CN202211338420 A CN 202211338420A CN 115598136 B CN115598136 B CN 115598136B
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
A detection device for screen gluing quality relates to the technical field of image processing, wherein the device comprises: the device comprises a positioning image acquisition module, a detection image acquisition module and a detection module, wherein the positioning image acquisition module comprises a positioning camera module and a positioning light source module, the detection image acquisition module comprises a plurality of detection camera modules and a plurality of detection light source modules, the detection module is respectively connected with the positioning image acquisition module and the detection image acquisition module, the detection module is used for acquiring a positioning image, confirming the position of a screen according to the positioning image, controlling a gluing device to glue the screen according to the position of the screen, and the detection module is also used for acquiring a detection image and detecting the gluing quality of the screen according to the detection image. The device can improve universality and detection efficiency of screen gluing quality detection.
Description
Technical Field
The embodiment of the invention relates to the technical field of image processing, in particular to a device for detecting the gluing quality of a screen.
Background
AOI (Automated Optical Inspection) automatic optical detection is a new test technology, has rapid development, and has the advantages of high-speed detection, graphical interface implementation, application of rich special multifunctional detection algorithms, detection by binary or gray level optical imaging processing technology and the like. Along with the fact that the display screen side gluing process is more refined and automatic, human eyes are harder to observe and judge, manual re-judgment is directly related to personal subjective experience, the display screen side gluing process is easily affected by environment, emotion, working time, physical conditions and the like, and stability is difficult to guarantee.
In the prior art, as the camera light source is not reasonably arranged, the AOI equipment can collect the image of the gluing area through the camera, can not completely detect all defects of screen gluing of the display screen, has weak comprehensiveness of detection, has low detection efficiency and influences the detection accuracy. The defects mainly comprise foreign matter convex points, concave points, wave glue, uneven glue, broken glue, glue overflow, bubbles, glue shortage and the like.
Disclosure of Invention
The embodiment of the invention provides a device for detecting the screen gluing quality, which can improve the comprehensiveness, the detection efficiency and the detection accuracy of AOI detection screen gluing quality.
In one aspect, an embodiment of the present invention provides a device for detecting quality of screen glue, including:
the device comprises a positioning image acquisition module, a detection image acquisition module and a detection module;
the positioning image acquisition module comprises a positioning camera module and a positioning light source module, wherein the positioning light source module is used for providing a light source for the positioning camera module, and the positioning camera module is used for acquiring positioning images;
the detection image acquisition module comprises a plurality of detection camera modules and a plurality of detection light source modules, wherein the plurality of detection light source modules are used for providing light sources for the plurality of detection camera modules respectively, and the plurality of detection camera modules are used for acquiring detection images;
the detection module is respectively connected with the positioning image acquisition module and the detection image acquisition module, and is used for acquiring the positioning image, confirming the screen position according to the positioning image, controlling the gluing device to glue the screen according to the screen position, and further being used for acquiring the detection image and detecting the gluing quality of the screen according to the detection image.
According to the embodiment of the invention, the accurate positioning of the gluing position is realized through the positioning camera module and the positioning light source module for providing the light source for the positioning camera module, and on the basis of the accurate positioning, a clearer detection image is obtained through the plurality of detection camera modules and the plurality of detection light source modules for providing the light source for the plurality of detection camera modules, and the identification of the gluing area and the detection of the gluing quality can be obtained, so that the detection range and the detection efficiency of detecting the defects of the gluing of the screen according to the detection image are improved, and the detection accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the present application and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic block diagram of a device for detecting quality of screen glue according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of quality detection of four sides of a screen;
fig. 3 is a schematic diagram illustrating a positioning image acquisition module in the device for detecting screen glue quality according to the embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a configuration of a detection image acquisition module in the device for detecting screen glue quality according to the embodiment of the present invention;
fig. 5 is a schematic hardware structure diagram of a device for detecting quality of screen glue according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Referring to fig. 1, an embodiment of the present application provides a device for detecting glue quality of a screen, where the device can be applied to detecting glue quality of a screen of an electronic device such as a mobile phone, a watch, a television, and a computer, and the device includes:
a positioning image acquisition module 10, a detection image acquisition module 20 and a detection module 30;
the positioning image acquisition module 10 comprises a positioning camera module 11 and a positioning light source module 12, wherein the positioning light source module 12 is used for providing a light source for the positioning camera module 11, the positioning camera module 11 is used for acquiring positioning images, and the positioning images are used for positioning the position of a screen to be glued;
the detection image acquisition module 20 comprises a plurality of detection camera modules 21 and a plurality of detection light source modules 22, the plurality of detection light source modules 22 are used for respectively providing light sources for the respective corresponding detection camera modules 21, each detection camera module 21 is respectively used for acquiring respective detection images, the detection images are used for detecting the gluing quality of a glued screen, and the detection content comprises glue width, glue thickness, foreign matter convex points, foreign matter concave points, wavy glue, glue unevenness, glue breaking, glue overflow, bubbles, glue shortage and the like of the glued screen;
the detection module 30 is respectively connected with the positioning image acquisition module 10 and the detection image acquisition module 20, and the detection module 30 is used for acquiring a positioning image, confirming the position of a screen to be glued according to the positioning image and controlling the gluing device to glue the screen according to the positioned screen position;
the detecting module 30 is further configured to obtain a detection image, and detect the glue quality of the glued screen according to the detection image.
The method comprises the steps that an image of a screen to be glued is contained in a positioning image, an image of a glued screen is contained in a detection image, the screen in the positioning image and the screen in the detection image are the same screen, the screen is in an un-glued state in the positioning image, and the screen is in a state of being glued and waiting for detecting gluing quality in the detection image.
According to the invention, the imaging effect is enhanced through the plurality of detection camera modules and the plurality of detection light source modules, and a clearer detection image can be obtained, so that the detection range and the detection efficiency of detecting defects of screen gluing according to the detection image are improved, and the detection accuracy is improved.
The device for detecting the quality of the screen gluing provided by the embodiment of the invention can also be used for detecting the quality of the screen gluing comprising the COF edge.
Referring to fig. 2, fig. 2 is a schematic diagram of four-side detection of the glue quality of a glued screen. The upper side in fig. 2 includes a COF (Chip On Flex, or, chip On Film) side, and fig. 2 shows a glue layer corresponding to the COF side.
Specifically, the positioning camera module 11 includes a positioning camera and a lens, and the specification of the positioning camera is preferably 130 ten thousand pixels in resolution, and the target surface size is 1/2; the lens of the positioning camera is a telecentric lens, the object distance is 110mm (millimeter), the magnification is 0.5 times, the visual field is 9.6mm multiplied by 7.2mm, and the positioning camera is provided with a point light source;
referring to fig. 3, fig. 3 is a schematic view showing the arrangement of the positioning camera module 11 and the positioning light source module 12 with respect to the stage 40 on which the screen is placed. The positioning light source module 12 includes: the first coaxial light source 121 and the first bar-shaped light source 122 are respectively positioned at two sides of the platform 40 where the screen is placed, and the first coaxial light source 121 and the positioning camera module 11 are positioned at the same side of the platform 40.
The combination of the coaxial light source and the strip light source provides illumination, so that the imaging effect of the gluing area of the screen can be enhanced.
Specifically, the first coaxial light source 121 and the positioning camera module 11 are disposed below the platform 40, and the illumination direction of the first coaxial light source 121 is from bottom to top; the first strip light source 122 is located above the platform 40, and the illumination direction is from top to bottom;
the first coaxial light source 121 is a first light source distance from the platform 40, preferably 55mm; the first strip light source 122 is a second light source distance from the platform 40, preferably 60mm.
The detection module 30 is provided in a detection terminal, which is a computer device having a hardware configuration such as a memory, a processor, and a display, such as a PC or a mobile phone.
The detection module 30 can realize the positioning of the screen before the gluing by running an image analysis program, so as to position the gluing position and determine the gluing stroke.
The positioning image acquisition module 10 sends the acquired positioning image to the detection module 30, specifically, the camera in the positioning camera module 11 acquires the positioning image and sends the positioning image to the detection module 30. The detecting module 30 is used for confirming the screen position according to the positioning image, determining the gluing position and the gluing stroke according to the screen position, and controlling the gluing device to glue the screen according to the gluing stroke. The position of the screen can be positioned in the gluing process, and the situation that the gluing position is wrong due to the deviation between the position of the screen to be glued and the reference position, and the gluing quality is affected is avoided.
The positioning mode can be specifically as follows: firstly, obtaining a conversion relation between an image coordinate system of a camera and a mechanical coordinate system in a PLC (Programmable Logic Controller );
the positioning camera collects an image at any position, identifies the center point of a positioning marker (hereinafter referred to as Mark) in the image, converts the image into a value m of the mechanical coordinate system according to the calibration of the positioning camera, subtracts m from the value p of the mechanical coordinate system, and the obtained value is equivalent to the actual PLC mechanical coordinate after the actual camera center is moved to the Mark center.
Then, performing feature matching operation: the detection module triggers the positioning camera to acquire an image through network port communication of the positioning camera, sets parameter values such as an initial angle, a termination angle and the like, searches Mark in the set angle range according to a preset coarse template, namely searches Mark for coarse positioning in the angle range, and avoids interference outside the range, wherein the Mark in the coarse template is in a shape of Chinese character Mi; performing fine positioning in the Mark subjected to coarse positioning according to a preset fine template, wherein the Mark in the fine template is cross-shaped; and scaling and angle changing are carried out on Mark contours in the templates serving as targets and then affine transformation targets Mark, and matching is carried out on the collected positioning images according to all transformation results, so that Mark point center coordinates of the positioning images are obtained.
And (5) keeping the Mark coordinate value of each shooting bit as a reference value after calibration. And (3) automatically performing positioning operation in the gluing process, subtracting the current value of positioning from the reference value to obtain an offset, calculating the gluing stroke of the current gluing to be operated according to the offset and the preset gluing stroke, and controlling the gluing device to finish gluing. The above-mentioned control of the gluing device is described in detail in the gluing process, see prior art.
Further, the detection camera module 21 includes a first detection camera module 211, a second detection camera module 212, and a third detection camera module 213;
the first detection camera module 211 is disposed on the top of the platform 40 for placing the screen, and is used for collecting images of the glued area on the top of the glued screen;
the second detection camera module 212 is disposed at the bottom of the platform 40 for placing the screen, and is used for collecting images of the glued area at the bottom of the glued screen;
the third detecting camera module 213 is disposed at a side of the platform 40 for placing the screen, and is used for collecting images of the side glue area of the glued screen.
Specifically, the first detection camera module 211 includes a first detection camera and a lens, wherein the first detection camera is a CCD high-speed black-and-white camera, the resolution is 130 ten thousand pixels, the target surface size is 1/2, the lens is a telecentric lens, and the field of view of the telecentric lens is 21.3mm×16mm.
The second inspection camera module 212 includes a second inspection camera, which is a CCD high-speed color camera with a resolution of 200 ten thousand pixels, a target size of 1/1.7, and a lens, which is a telecentric lens with a field of view of 24mm×17.7mm.
The third detection camera module 213 includes a third detection camera and a lens, wherein the third detection camera is a CCD high-speed black-and-white camera, the resolution is 130 ten thousand pixels, the target surface size is 1/2, the lens is a telecentric lens, and the field of view of the telecentric lens is 21.3mm×16mm.
In another embodiment, the detection light source module 22 includes a first detection light source module 221, a second detection light source module 222, and a third detection light source module 223;
wherein the first detection light source module 221 is vertically aligned with the first detection camera module 211 in the view direction of the camera-captured image, and is used for providing a light source for the first detection camera module 211; the second detection light source module 222 is vertically aligned with the second detection camera module 212 in the view direction of the camera captured image, for providing a light source for the second detection camera module 212; the third detection light source module 223 is vertically aligned with the third detection camera module 213 in the view direction of the camera-captured image for providing a light source for the third detection camera module 213.
The vertical alignment refers to alignment in the camera view direction, that is, the central axis of the lighting direction of each detection light source module is aligned with the central axis of the camera view of each detection camera module for collecting images, and the alignment uses the fact that each detection light source module provides a better light source for each detection camera module as a standard, and can be that the central axis of the lighting direction of each detection light source module coincides with the central axis of the camera view of each detection camera module for collecting images, so that better light source quality is provided for each detection camera module, and the imaging effect of the collected images is improved.
In order to prevent the mutual interference of the collected images in the water direction and the provided light sources, each detection light source module and each detection image collecting module formed by each detection image collecting module are arranged in a staggered mode in the horizontal direction, and a certain horizontal interval exists between the detection light source modules and each detection image collecting module.
Specifically, the first detection light source module 221 and the first detection camera module 211 form a first detection image acquisition module, the second detection light source module 222 and the second detection camera module 212 form a second detection image acquisition module, the third detection light source module 223 and the third detection camera module 213 form a third detection image acquisition module, and the first detection image acquisition module, the second detection image acquisition module and the third detection image acquisition module are arranged in a dislocation manner in the horizontal direction.
The first detection image acquisition module, the second detection image acquisition module and the third detection image acquisition module are horizontally spaced with a preset distance. The preset distance is preferably 200mm.
The dislocation arrangement of the first detection image acquisition module and the second detection image acquisition module in the horizontal direction can avoid mutual interference caused by multi-light source irradiation of the first detection light source module 221 and the second detection light source module 222, and the quality of the acquired images of the first detection camera module 211 and the second detection camera module 212 is reduced.
Further, referring to fig. 4, fig. 4 is a schematic diagram illustrating a configuration of the detection image capturing module, which may represent a positional relationship between the detection image capturing module and the platform.
The first detection light source module 221 includes: a second coaxial light source 221A and a second bar-shaped light source 221B;
the second coaxial light source 221A and the first detection camera module 211 are disposed above the platform 40, the second coaxial light source 211A is disposed above the platform 40, the second bar-shaped light source 211B is disposed below the platform 40, and the second coaxial light source 211A and the second bar-shaped light source 211B are the same color system light sources. Preferably, the second coaxial light source 211A is a sparkling white coaxial light source and the second bar-shaped light source 211B is a sparkling white bar-shaped light source.
The second detection light source module 222 includes: a third coaxial light source 222A and a third bar-shaped light source 222B;
the third coaxial light source 222A and the second detection camera module 212 are disposed below the platform 40, the third coaxial light source 222A and the third strip light source 222B are respectively disposed at two sides of the platform 40, the third coaxial light source 222B is disposed below the platform 40, and the third strip light source 222B is disposed above the platform 40.
The third coaxial light source 222A and the third bar-shaped light source 222B are different-color light sources. Preferably, the third coaxial light source 222A is a flash blue coaxial light source and the third bar-shaped light source 222B is a flash red bar-shaped light source.
The third detection light source module 223 includes: a fourth coaxial light source 223A, a fourth bar-shaped light source 223B, and a fifth bar-shaped light source 223C;
the fourth coaxial light source 223A and the third detection camera module 213 are disposed on the same side of the platform 40 and are opposite to the glue spreading screen to be detected disposed on the platform 40, and the fourth strip light source 223B and the fifth strip light source 223C are respectively located above and below the platform 40 and respectively form an included angle of 5 ° ± 3 ° with the upper surface and the lower surface of the platform 40. Preferably, the fourth coaxial light source 223A is a sparkling white coaxial light source, and the fourth and fifth strip light sources 223B, 223C are both sparkling white strip light sources.
In fig. 4, the first detection light source module 221 includes a second coaxial light source 221A and a second bar-shaped light source 221B, which are vertically aligned with the first detection camera module 211; the second detection light source module 222 includes a third coaxial light source 222A and a third bar-shaped light source 222B, both vertically aligned with the second detection camera module 212; the fourth coaxial light source 223A included in the third detection light source module 223 is vertically aligned with the third detection camera module 213, and a midpoint of a line between the fourth strip light source 223B and the fifth strip light source 223C included in the third detection light source module 223 is located on a vertical axis of the direction in which the third detection camera module 213 captures an image, i.e., is vertically aligned with the third detection camera module 213.
The detection module 30 can detect the screen gluing quality by running an image analysis program.
The detection image acquisition module 20 sends the acquired detection image to the detection module 30, specifically, the camera in each detection camera module 21 acquires the detection image and sends the detection image to the detection module 30. The detection module 30 detects the glue coating quality of the screen according to the obtained detection image, a preset detection algorithm and detection reference data, and obtains the glue width and the glue thickness of the glue coating on the 4 sides of the screen and various glue coating defects.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a device for detecting the quality of screen gluing.
The detection device in each of the above embodiments may be applied to AOI automatic detection.
According to the invention, the accurate positioning of the gluing position is realized through the positioning camera module and the positioning light source module for providing the light source for the positioning camera module, and on the basis of the accurate positioning, a clearer detection image is obtained through the plurality of detection camera modules and the plurality of detection light source modules for providing the light source for the plurality of detection camera modules, and the identification of the gluing area and the detection of the gluing quality can be obtained, so that the detection range and the detection efficiency for detecting the defects of the gluing of the screen according to the detection image are improved, and the detection accuracy is improved. The detection light source module comprises a plurality of coaxial light sources and strip-shaped light sources, provides a better light source for the detection camera module, can further improve imaging quality, and is particularly suitable for screen gluing quality with COF edges. Because the COF edge is made of opaque materials, the light source of the camera in the prior art is arranged to enable the COF edge in the acquired image to form light spots, the light spots cannot be distinguished from colloid to be detected, detection efficiency is affected, and detection results are inaccurate. And the detection device can simultaneously realize the functions of measuring the width and the thickness of the colloid and detecting the defects, and further improves the detection efficiency.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
The integrated modules, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution that contributes to the prior art, or in the form of a software product, which is stored in a readable storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the methods described in the various embodiments of the present application. And the aforementioned readable storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
The foregoing is a description of the device for detecting the quality of a screen glue provided in the present application, and those skilled in the art, based on the idea of the embodiment of the present invention, may have any modification in the specific embodiment and the application scope, so that the content of the present application should not be construed as limiting the present application.
Claims (2)
1. The utility model provides a detection device of screen rubber coating quality which characterized in that includes:
the device comprises a positioning image acquisition module, a detection image acquisition module and a detection module;
the positioning image acquisition module comprises a positioning camera module and a positioning light source module, wherein the positioning light source module is used for providing a light source for the positioning camera module, and the positioning camera module is used for acquiring positioning images;
the detection image acquisition module comprises a plurality of detection camera modules and a plurality of detection light source modules, wherein the plurality of detection light source modules are used for providing light sources for the plurality of detection camera modules respectively, and the plurality of detection camera modules are used for acquiring detection images;
the detection module is respectively connected with the positioning image acquisition module and the detection image acquisition module, and is used for acquiring the positioning image, confirming the screen position according to the positioning image, controlling the gluing device to glue the screen according to the screen position, acquiring the detection image, and detecting the gluing quality of the screen according to the detection image;
the positioning light source module includes: the first coaxial light source and the first strip-shaped light source are respectively positioned at two sides of a platform for placing the screen, and the first coaxial light source and the positioning camera module are positioned at the same side of the platform;
the detection camera module comprises a first detection camera module, a second detection camera module and a third detection camera module;
the first detection camera module is arranged at the top of a platform for placing the screen and is used for collecting images of a gluing area at the top of the screen;
the second detection camera module is arranged at the bottom of the platform for placing the screen and is used for collecting images of a gluing area at the bottom of the screen;
the third detection camera module is arranged on the side surface of the platform for placing the screen and is used for collecting images of the side surface gluing area of the screen;
the detection light source module comprises a first detection light source module, a second detection light source module and a third detection light source module;
the first detection light source module is vertically aligned with the first detection camera module for providing a light source for the first detection camera module;
the second inspection light source module is vertically aligned with the second inspection camera module for providing a light source for the second inspection camera module;
the third inspection light source module is vertically aligned with the third inspection camera module for providing a light source for the third inspection camera module;
the first detection light source module and the first detection camera module form a first detection image acquisition module, the second detection light source module and the second detection camera module form a second detection image acquisition module, and the third detection light source module and the third detection camera module form a third detection image acquisition module;
the first detection image acquisition module, the second detection image acquisition module and the third detection image acquisition module are arranged in a staggered manner in the horizontal direction;
the first detection light source module includes: a second coaxial light source and a second bar-shaped light source;
the second coaxial light source and the first detection camera module are arranged above the platform, the second coaxial light source is arranged above the platform, the second strip-shaped light source is arranged below the platform, and the second coaxial light source and the second strip-shaped light source are homochromatic light sources;
the second detection light source module includes: a third coaxial light source and a third bar-shaped light source;
the third coaxial light source and the second detection camera module are arranged below the platform, the third coaxial light source is arranged below the platform, and the third strip-shaped light source is arranged above the platform;
the third coaxial light source and the third strip-shaped light source are different-color light sources;
the third detection light source module includes: a fourth coaxial light source, a fourth bar light source, and a fifth bar light source;
the fourth coaxial light source and the third detection camera module are arranged on the same side face of the platform and are opposite to the screen arranged on the platform, and the fourth strip-shaped light source and the fifth strip-shaped light source are respectively positioned above and below the platform and respectively form an included angle of 5+/-3 degrees with the upper surface and the lower surface of the platform.
2. The detection apparatus according to claim 1, wherein the third coaxial light source is a blue coaxial light source and the third bar-shaped light source is a red bar-shaped light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211338420.1A CN115598136B (en) | 2022-10-28 | 2022-10-28 | Screen gluing quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211338420.1A CN115598136B (en) | 2022-10-28 | 2022-10-28 | Screen gluing quality detection device |
Publications (2)
| Publication Number | Publication Date |
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| CN115598136A CN115598136A (en) | 2023-01-13 |
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| CN116046791B (en) * | 2023-03-30 | 2023-06-09 | 深圳市元硕自动化科技有限公司 | Method and device for detecting defect of adhesive dispensing |
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