CN115639218A - Display screen glass AOI detection device and detection method - Google Patents
Display screen glass AOI detection device and detection method Download PDFInfo
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- CN115639218A CN115639218A CN202211303282.3A CN202211303282A CN115639218A CN 115639218 A CN115639218 A CN 115639218A CN 202211303282 A CN202211303282 A CN 202211303282A CN 115639218 A CN115639218 A CN 115639218A
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Abstract
The application relates to the technical field of automatic detection, and discloses a display screen glass AOI detection device and a detection method, wherein the display screen glass AOI detection device comprises a support, a light source assembly and a camera assembly, the light source assembly comprises a backlight source and a side light source, the backlight source illuminates the back of a display screen, and the side light source illuminates the side face of the display screen; the camera shooting assembly comprises a main camera and a side camera, the main camera shoots a plane of the display screen to form a plane view, the side camera and the main camera have a specific angle, the side camera shoots the display screen to form a side view, the plane view and the side view are combined to form a three-dimensional view, and the three-dimensional view and a standard image are compared and detected, so that the detection of the display screen is more accurate; the AOI detection method of the display screen glass comprises the following steps: the main camera photographs the display screen to obtain a plane view, the side camera photographs the display screen to obtain a side view, the plane view and the side view are combined to form a three-dimensional view, and the three-dimensional view is compared with a standard image for analysis, so that the defects of the display screen are detected. This application has the effect that promotes display screen detection accuracy.
Description
Technical Field
The application relates to the technical field of automatic detection, in particular to a display screen glass AOI detection device and a detection method.
Background
AOI check out test set is also called AOI optics automatic check out test set, it is the equipment that the common defect met carries on the detection in the welding production based on the optical principle, mainly used for detecting whether the surface printing after IC encapsulation has the defect, whether there is dirt and spot on the display screen glass, when the automated inspection, AOI check out test set machine passes the high definition CCD camera automatic scanning display screen, gather the picture, the detection point of test compares with the qualified parameter in the database, detect the defect of display screen through image processing, and mark the defect out through display or automatic marking.
A display screen AOI detection system in the related art comprises a detection frame, wherein the detection frame is arranged above a supporting seat; the shelf is arranged above the supporting seat; the mounting frame is arranged inside the detection frame, a lifting beam is arranged on one side of the mounting frame and is in sliding connection with the mounting frame, and a first electric telescopic rod is arranged inside the first sliding groove; the sliding seat sets up the one side at the walking beam, sliding seat and walking beam sliding connection, one side of walking beam is provided with first motor, the inside of second spout is provided with first lead screw, the below of sliding seat is provided with the industry camera, this detecting system has realized the bright spot bright line and has detected, the colour gamut detects, luminance homogeneity detects, high-low pressure detects, the contrast detects this a plurality of item one-stop-type detects, the focus of demonstration colour and camera through the automated control screen, the dynamic conversion of different test items has been accomplished, the benefit of detection has been promoted greatly. However, when the display screen AOI detection system in the related art detects the display screen, the industrial camera can only perform contrast detection on the plane of the display screen, and the detection on the display screen is too single-sided, so that the defect that the detection on the display screen is inaccurate exists.
Therefore, the display screen AOI detection system in the technical scheme has the defect of inaccurate detection when detecting the display screen.
Disclosure of Invention
In order to improve the accuracy of display screen detection, the application provides a display screen glass AOI detection device and a detection method.
First aspect, this application provides a display screen glass AOI detection device, adopts following technical scheme:
a display screen glass AOI detection device comprises:
a support;
the light source assembly is arranged on the bracket and comprises a backlight source and a side light source, the backlight source is used for illuminating the back of the display screen, and the side light source is used for illuminating the side of the display screen;
the subassembly of making a video recording sets up on the support, including main camera and side camera, main camera is just right the backlight sets up, main camera is used for shooing the plane of display screen in order to form the plane drawing, the side camera with be provided with an contained angle between the main camera, so that the side camera shoots the display screen with certain angle and forms the side view, and the plane drawing forms the stereogram of display screen with the combination of side view, detects the display screen through the stereogram.
Based on above-mentioned technical scheme, the display screen is located between backlight and the sidelight source, the backlight sets up the back at the display screen, illuminate the back of display screen, the sidelight source sets up the both sides limit at the display screen, illuminate the side of display screen, the front setting that main camera corresponds the display screen, main camera shoots the display screen, form the plane map of display screen, be provided with an contained angle between side camera and the main camera, side camera shoots the display screen with a certain angle, form the side view of display screen, corresponding plane map and side view combination form the stereogram, compare the stereogram and the standard image of display screen, make the detection of display screen more accurate, promote the degree of accuracy that the display screen detected.
Preferably, be provided with adjusting part on the support, adjusting part includes mounting panel and Y axle movable plate, the mounting panel with support fixed connection, the multiunit regulation hole has been seted up on the mounting panel, the first waist type hole of multiunit has been seted up on the Y axle movable plate, the regulation hole with detachable is provided with the mounting between the first waist type hole, the main camera with the side camera is installed on the Y axle movable plate, through adjusting the mounting is in order to adjust the Y axle movable plate with the main camera with the side camera is in the position of Y axle direction.
Based on above-mentioned technical scheme, mounting detachable sets up between first waist type hole and regulation hole, when needs adjust main camera and side camera and adjust on Y axle direction, dismantles the mounting, moves the position regulation of Y axle movable plate, fixes the mounting between first waist type hole and regulation hole again to shift main camera and side camera to the position corresponding with the display screen, so that the detection of shooing accurately.
Preferably, the adjusting part includes the regulating plate, the regulating plate with Y axle movable plate fixed connection, multiunit second waist type hole has been seted up on the regulating plate, detachable is provided with main movable plate on the regulating plate, multiunit main mounting hole has been seted up on the main movable plate, second waist type hole with detachable is provided with the installed part between the main mounting hole, main camera is installed on the main movable plate, through the installed part is adjusted main movable plate with main camera is at the epaxial position of X axle and Z.
Based on above-mentioned technical scheme, installed part detachable sets up between second waist type hole and main mounting hole, dismantle the installed part from regulating plate and main movable plate, move main movable plate along X axle direction, thereby change the position of main movable plate in X axle direction, main movable plate moves along Z axle direction, thereby change the position of main movable plate in Z axle direction, after main movable plate removes to accurate position, install the installed part between second waist type hole and main mounting hole again, thereby adjust the position of main camera in X axle and Z axle direction, with the display screen that is suitable for different models, thereby promote the degree of accuracy that the display screen detected.
Preferably, the adjusting plate is further provided with a plurality of groups of third waist-shaped holes, the adjusting plate is detachably provided with a side moving plate, the side moving plate is provided with a plurality of groups of side mounting holes, connecting pieces are detachably arranged between the third waist-shaped holes and the side mounting holes, the side cameras are mounted on the side moving plate, and the positions of the side moving plate and the side cameras on the X axis and the Z axis are adjusted through the connecting pieces.
Based on above-mentioned technical scheme, connecting piece detachable sets up between third waist type hole and side mounting hole, can follow the connecting piece and dismantle between third waist type hole and the side mounting hole, will incline the movable plate and remove along X axle and Z axle direction to move the movable plate to the accurate position department will be moved to the side, thereby adjust the position of side camera in X axle and Z axle direction, with the display screen that is suitable for different models, thereby promote the degree of accuracy that the display screen detected.
Preferably, the side moving plate is provided with an adjusting waist-shaped hole, the side moving plate is provided with a connecting plate, the connecting plate is provided with a plurality of groups of angle adjusting holes, an adjusting piece is arranged between the adjusting waist-shaped hole and the angle adjusting holes, the side camera is fixedly connected with the connecting plate, and the angle between the side camera and the main camera is adjusted through the adjusting piece.
Based on above-mentioned technical scheme, dismantle the regulating part from adjusting between waist type hole and the angle modulation hole, change and adjust the angle modulation hole of waist type hole installation, also can rotate the angle of connecting plate, install the regulating part again between adjusting waist type hole and angle modulation hole to change the shooting angle of side camera, thereby adapt to the not detection of shooing of the display screen of equidimension, different thickness.
Preferably, the camera shooting assembly, the light source assembly and the adjusting assembly are both provided with two sets, two sets of the camera shooting assembly, the light source assembly and the adjusting assembly are symmetrically arranged relative to the mounting plate.
Based on above-mentioned technical scheme, two sets of subassemblies of making a video recording, light source subassembly and adjusting part detect simultaneously, detect two sets of display screens simultaneously to improve the efficiency that display screen AOI detected.
Preferably, a lifting assembly is arranged on the support and comprises an air cylinder and a lifting plate, the air cylinder is connected with the support, the lifting plate is connected with a piston rod of the air cylinder, the lifting plate is connected with the side light source, and the air cylinder is used for driving the side light source to lift.
Based on above-mentioned technical scheme, the cylinder is connected with the sidelight source, and the sidelight source is lighted corresponding to the side of display screen, and after the display screen detection of shooing was accomplished, the cylinder drove the sidelight source and rises to avoid the sidelight source to collide with the test fixture on the display screen support frame.
Preferably, a light shield is arranged on the support and used for shielding external light.
Based on above-mentioned technical scheme, the lens hood shelters from the subassembly of making a video recording, shelters from external light, avoids causing the influence to the shooting of subassembly to the TV screen of making a video recording.
In a second aspect, the application provides a display screen glass AOI detection method, which adopts the following technical scheme:
a display screen glass AOI detection method adopts a display screen glass AOI detection device, and comprises the following steps:
placing a display screen between a backlight source and a side light source, wherein the backlight source illuminates the back surface of the display screen, and the side light source illuminates the side surface of the display screen;
the method comprises the steps of image acquisition and processing, wherein a main camera photographs a plane of a display screen to obtain a plane view, a side camera photographs the display screen at a certain angle to obtain a side view, and a three-dimensional view is formed by combining the plane view and the side view;
and (4) performing image contrast detection, namely performing contrast analysis on the stereo image of the display screen and the standard image so as to obtain the defects of the display screen.
Based on the technical scheme, the backlight source illuminates the back side of the display screen, the side light source illuminates the side surface of the display screen, and the back side and the side surface are combined to enable the influence shot by the camera shooting assembly to be clearer; the main camera shoots the front of the display screen to obtain a plane graph, the side camera shoots the display screen at a certain angle to obtain a side graph of the display screen, the plane graph and the side graph are combined to form a three-dimensional graph, the three-dimensional graph is compared with a standard image to determine whether the display screen is qualified or not and determine the defect position of the display screen, and the display screen is more accurately detected through comparison of the three-dimensional graph.
Preferably, the fixing part, the mounting part and the connecting part are adjusted to adjust the positions of the main camera and the side camera on the X axis, the Y axis and the Z axis, and the adjusting part is adjusted to adjust the angle between the main camera and the side camera so as to realize the detection of the main camera and the side camera on different display screens.
Based on above-mentioned technical scheme, the accessible adjusts the position of Y axle movable plate, main movable plate and side movable plate, adjusts the regulating part in order to adjust the angle between main camera and the side camera to be applicable to the display screen detection of different models. The accuracy of display screen detection is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the main camera takes a picture corresponding to the front side of the display screen to form a plane view of the display screen, the side camera takes a picture of the display screen at a certain angle to form a side view of the display screen, the plane view and the side view are combined to form a three-dimensional view, and the three-dimensional view of the display screen is compared with a standard image, so that the detection of the display screen is more accurate, and the detection accuracy of the display screen is improved;
2. the positions of the main camera and the side camera on an X axis, a Y axis and a Z axis are adjusted by adjusting the positions of the fixing piece, the mounting piece and the connecting piece, so that the main camera and the side camera can adapt to display screens of different models;
3. through the cooperation regulation between regulating part and the side removal board, the angle between adjustment side camera and the main camera to change the image that the side camera was shot, make the side camera be applicable to the display screen of different models, improve the precision that the display screen detected.
Drawings
FIG. 1 is a schematic diagram illustrating an overall structure of a display screen glass AOI detection apparatus according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating a partial structure of a display screen glass AOI detection device according to an embodiment of the present application, which is mainly used for embodying an internal structure of the AOI detection device;
FIG. 3 shows an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic partial structural diagram of a display screen glass AOI detection apparatus according to an embodiment of the present application, which is mainly used for embodying the connection between a camera assembly and an adjustment assembly;
FIG. 5 shows an enlarged view of portion B of FIG. 4;
fig. 6 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present application.
Description of reference numerals: 10. a support; 11. a stent body; 12. an installation table; 20. an adjustment assembly; 21. mounting a plate; 211. an adjustment hole; 22. moving the plate along the Y axis; 221. a first kidney-shaped hole; 23. an adjusting plate; 231. a second kidney-shaped hole; 232. a third kidney-shaped hole; 24. a main moving plate; 241. a main mounting hole; 25. a side moving plate; 251. a side mounting hole; 252. adjusting a waist-shaped hole; 26. a connecting plate; 261. an angle adjusting hole; 30. a camera assembly; 31. a main camera; 32. a side camera; 40. a light source assembly; 41. a backlight source; 42. a side light source; 50. a lifting assembly; 51. a cylinder; 52. a lifting plate; 60. a fixing member; 61. a mounting member; 62. a connecting member; 63. an adjustment member; 70. a light shield; 71. and (6) installing a cover.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
In a first aspect, the embodiment of the application discloses a display screen glass AOI detection device.
Referring to fig. 1, the display screen glass AOI detection device includes a support 10, and two sets of adjusting assemblies 20, two sets of camera assemblies 30, and two sets of light source assemblies 40 disposed on the support 10, where the adjusting assemblies 20 are disposed at the upper end of the support 10, the camera assemblies 30 are connected to the adjusting assemblies 20, and the adjusting assemblies 20 are used to adjust positions of the camera assemblies 30 on an X axis, a Y axis, and a Z axis, so that the camera assemblies 30 are suitable for display screens of various models; light source subassembly 40 sets up at support 10 lower extreme, and the corresponding setting of subassembly 30 and light source subassembly 40 of making a video recording, and light source subassembly 40 is used for providing light for the display screen to the influence that makes a video recording subassembly 30 shoot is more clear.
Referring to fig. 2, the image capturing assembly 30 includes a main camera 31 and a side camera 32, the main camera 31 and the side camera 32 are both disposed on the adjusting assembly 20, the main camera 31 is disposed opposite to the front surface of the display screen, and the main camera 31 is perpendicular to the detection plane of the display screen, so as to photograph the front surface of the display screen to form a plan view, wherein the main camera 31 is a black and white camera and is mainly used for detecting defects of points and lines on the display screen. A specific angle is set between the main camera 31 and the side camera 32, wherein the specific angle ranges from 5 ° to 10 °, the side camera 32 photographs the side of the display screen to form a side view, combines the side view with a plan view to form a perspective view, and detects defects on the display screen by comparing and analyzing the perspective view with a standard image.
Referring to fig. 3 and 4, the bracket 10 includes a bracket main body 11 and a mounting table 12, the bracket main body 11 is disposed along a Z-axis direction, the mounting table 12 is disposed perpendicular to the bracket main body 11, the mounting table 12 is disposed along a Y-axis direction, a mounting plate 21 is disposed on the mounting table 12, and the mounting plate 21 is disposed along an X-axis direction, so as to facilitate mounting of the adjustment assembly 20 and the camera assembly 30.
Referring to fig. 3 and 5, two sets of adjusting assemblies 20 are symmetrically disposed on two sides of the mounting table 12, each adjusting assembly 20 includes a Y-axis moving plate 22, a plurality of first kidney-shaped holes 221 are formed in the Y-axis moving plate 22, the plurality of first kidney-shaped holes 221 are disposed along the Y-axis direction, a plurality of adjusting holes 211 are formed in the mounting plate 21, a fixing member 60 is disposed between the adjusting holes 211 and the first kidney-shaped holes 221, the fixing member 60 is adapted to the adjusting holes 211 and the first kidney-shaped holes 221, the fixing member 60 is detachably disposed between the adjusting holes 211 and the first kidney-shaped holes 221, the position of the Y-axis 22 on the Y-axis can be adjusted through the cooperation between the fixing member 60, the adjusting holes 211 and the first kidney-shaped holes 221, wherein the fixing member 60 is a fastening structure such as a screw rod and a bolt, which are convenient to detach.
Referring to fig. 5, an adjusting plate 23 is disposed on the y-axis moving plate 22, the adjusting plate 23 is disposed along the Z-axis direction, a plurality of second kidney-shaped holes 231 and a plurality of third kidney-shaped holes 232 are disposed on the adjusting plate 23, the second kidney-shaped holes 231 and the third kidney-shaped holes 232 are disposed in parallel, and the plurality of second kidney-shaped holes 231 and the plurality of third kidney-shaped holes 232 are disposed along the Z-axis direction.
Referring to fig. 5 and 6, the adjusting plate 23 is provided with a main moving plate 24, the main moving plate 24 is disposed at a position corresponding to the second kidney-shaped hole 231, the main moving plate 24 is provided with a plurality of groups of main mounting holes 241, a mounting member 61 is disposed between the main mounting holes 241 and the second kidney-shaped hole 231, the mounting member 61 is adapted to the main mounting holes 241 and the second kidney-shaped hole 231, and the mounting member 61 can be detached from the main mounting holes 241 and the second kidney-shaped hole 231; the distance between the adjacent main mounting holes 241 arranged in the X-axis direction is smaller than the width of the second kidney-shaped hole 231, so that moving the main moving plate 24 changes the position of the main moving plate 24 on the X-axis; a plurality of sets of second kidney-shaped holes 231 are provided along the Z-axis direction so as to move the main moving plate 24 to change the position of the main moving plate 24 on the Z-axis.
Referring to fig. 5 and 6, a side moving plate 25 is further disposed on the adjusting plate 23, the side moving plate 25 is disposed at a position corresponding to the third kidney-shaped hole 232, a plurality of sets of side mounting holes 251 are disposed on the side moving plate 25, a connecting member 62 is detachably disposed between the side mounting holes 251 and the third kidney-shaped hole 232, and two ends of the connecting member 62 are respectively matched with the side mounting holes 251 and the third kidney-shaped hole 232; the distance between the adjacent side mounting holes 251 disposed in the X-axis direction is smaller than the width of the third kidney-shaped hole 232 so as to move the side movement plate 25 to change the position of the side movement plate 25 on the X-axis; multiple sets of third kidney-shaped holes 232 are disposed along the Z-axis direction to facilitate moving the side movement plate 25 to change the position of the side movement plate 25 on the Z-axis, wherein the connecting member 62 is a fastening structure such as a screw, a bolt, etc. that is easy to detach.
Referring to fig. 5 and 6, an adjusting kidney-shaped hole 252 is formed in the side moving plate 25, the adjusting kidney-shaped hole 252 has a certain radian, a connecting plate 26 is formed in the side moving plate 25, a plurality of groups of angle adjusting holes 261 are formed in the connecting plate 26, an adjusting member 63 is detachably arranged between the angle adjusting holes 261 and the adjusting kidney-shaped hole 252, wherein the adjusting member 63 is a fastening structure such as a screw rod and a bolt which are convenient to detach, so that the angle between the side camera 32 and the main camera 31 can be detached and changed.
Referring to fig. 5 and 6, when adjusting the angle between the side camera 32 and the main camera 31, the adjusting member 63 is detached, the adjusting plate 23 is rotated to change the angle adjusting hole 261 communicated with the adjusting kidney-shaped hole 252, and the connecting plate 26 and the side moving plate 25 are fixed by the adjusting member 63, thereby making the side camera 32 suitable for the detection of different models of display screens. In other embodiments, the adjustment of the positions of the main camera 31 and the side camera 32 in the X-axis, the Y-axis and the Z-axis can also be performed by a driving assembly, wherein the driving assembly can be a motor and a lead screw, a cylinder 51, etc., which can realize the driving mechanism for the movement in the X-axis, the Y-axis and the Z-axis directions.
Referring to fig. 2, the light source assembly 40 includes a backlight 41 and a side light source 42, the backlight 41 is disposed at the lower end of the bracket 10, the backlight 41 is used for illuminating the back of the display screen, the side light source 42 is disposed above the backlight 41, the side light source 42 is used for illuminating the side of the display screen, and a gap is formed between the side light source 42 and the backlight 41, and the gap is used for placing the display screen.
Referring to fig. 2, a lifting assembly 50 is arranged above the light source assembly 40, the lifting assembly 50 includes a cylinder 51 and a lifting plate 52, the cylinder 51 is fixedly connected to the support body 11, one end of the lifting plate 52 is fixedly connected to a piston rod of the cylinder 51, the other end of the lifting plate 52 is fixedly connected to the side light 42, the cylinder 51 drives the lifting plate 52 and the side light 42 to ascend, the display screen is placed between the backlight source 41 and the side light 42, the cylinder 51 drives the lifting plate 52 and the side light 42 to descend, and after the photographing of the image pickup assembly 30 is completed, the cylinder 51 drives the lifting plate 52 and the side light 42 to ascend, so as to avoid collision between the side light 42 and a test fixture on the display screen support frame when the display screen moves.
Referring to fig. 1, a light shield 70 and an installation cover 71 are further disposed on the support 10, the installation cover 71 is installed on the support 10, the light shield 70 is connected to the installation cover 71, and the light shield 70 is a black light shield 70 for shielding external light and avoiding affecting images shot by the camera module 30.
The implementation principle of the display screen glass AOI detection device provided by the embodiment of the application is as follows: the display screen is placed between a backlight source 41 and a side light source 42, the backlight source 41 illuminates the back of the display screen, the side light source 42 illuminates the side face of the display screen, a main camera 31 photographs the front of the display screen to form a plane view, an included angle with a certain angle exists between a side camera 32 and the main camera 31, the side camera 32 photographs the side face of the display screen to form a side view, the plane view and the side view are combined to form a three-dimensional view, the three-dimensional view and a standard image are compared and analyzed to obtain the defect position of the display screen, so that the detection of the defects of the display screen is more accurate, the positions of the main camera 31 and the side camera 32 on an X axis, a Y axis and a Z axis are adjustable, the angle between the side camera 32 and the main camera 31 is adjustable, and therefore the AOI detection device is suitable for display screens of different models.
In a second aspect, the application provides a display screen glass AOI detection method, which adopts a display screen glass AOI detection device, and comprises the following steps:
adjusting the position of the camera assembly 30 by adjusting the position of the Y-axis moving plate 22 on the mounting plate 21, thereby adjusting the position of the camera assembly 30 on the Y axis; adjusting the positions of the main camera 31 and the side camera 32 in the X-axis and Z-axis directions by adjusting the positions of the main moving plate 24 and the side moving plate 25 on the adjustment plate 23;
adjusting the angle, namely adjusting the included angle between the side camera 32 and the main camera 31 by adjusting the position of the connecting plate 26 on the side moving plate 25;
placing a display screen, wherein the display screen is placed between a backlight source 41 and a side light source 42, the backlight source 41 illuminates the back surface of the display screen, and the side light source 42 illuminates the side surface of the display screen;
the image acquisition processing includes that a main camera 31 photographs the front of a display screen to obtain a plan view, a side camera 32 photographs the display screen at a certain angle to obtain a side view, and a three-dimensional view is formed by combining the plan view and the side view;
and (4) image contrast detection, namely performing contrast analysis on the stereo image of the display screen and the standard image so as to obtain the defects of the display screen.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a display screen glass AOI detection device which characterized in that includes:
a support (10);
the light source assembly (40) is arranged on the bracket (10) and comprises a backlight source (41) and a side light source (42), wherein the backlight source (41) is used for illuminating the back surface of the display screen, and the side light source (42) is used for illuminating the side edge of the display screen;
subassembly (30) of making a video recording sets up on support (10), including main camera (31) and side camera (32), main camera (31) are just right backlight (41) set up, main camera (31) are used for shooing the plane of display screen in order to form the plane drawing, side camera (32) with be provided with an contained angle between main camera (31), so that side camera (32) shoot the display screen with certain angle and form the side view, the plane drawing forms the stereogram of display screen with the combination of side view, detects the display screen through the stereogram.
2. Display screen glass AOI detection device according to claim 1 wherein, be provided with adjustment assembly (20) on support (10), adjustment assembly (20) includes mounting panel (21) and Y axle moving plate (22), mounting panel (21) with support (10) fixed connection, multiunit regulation hole (211) has been seted up on mounting panel (21), the first waist type hole (221) of multiunit has been seted up on Y axle moving plate (22), regulation hole (211) with detachably be provided with mounting (60) between first waist type hole (221), main camera (31) with side camera (32) are installed on Y axle moving plate (22), through adjusting mounting (60) in order to adjust Y axle moving plate (22) with main camera (31) with the position of side camera (32) in the Y axle direction.
3. The display screen glass AOI detection device according to claim 2, wherein the adjusting assembly (20) comprises an adjusting plate (23), the adjusting plate (23) is fixedly connected with the Y-axis moving plate (22), a plurality of groups of second kidney-shaped holes (231) are formed in the adjusting plate (23), a main moving plate (24) is detachably arranged on the adjusting plate (23), a plurality of groups of main mounting holes (241) are formed in the main moving plate (24), mounting pieces (61) are detachably arranged between the second kidney-shaped holes (231) and the main mounting holes (241), the main camera (31) is mounted on the main moving plate (24), and the positions of the main moving plate (24) and the main camera (31) on the X-axis and the Z-axis are adjusted through the mounting pieces (61).
4. The display screen glass AOI detection device according to claim 3, wherein a plurality of sets of third kidney-shaped holes (232) are further formed in the adjusting plate (23), a side moving plate (25) is detachably arranged on the adjusting plate (23), a plurality of sets of side mounting holes (251) are formed in the side moving plate (25), a connecting piece (62) is detachably arranged between the third kidney-shaped holes (232) and the side mounting holes (251), the side camera (32) is mounted on the side moving plate (25), and the positions of the side moving plate (25) and the side camera (32) on the X axis and the Z axis are adjusted through the connecting piece (62).
5. The display screen glass AOI detection device according to claim 4, wherein the side moving plate (25) is provided with a waist-shaped adjusting hole (252), the side moving plate (25) is provided with a connecting plate (26), the connecting plate (26) is provided with an angle adjusting hole (261), an adjusting member (63) is arranged between the waist-shaped adjusting hole (252) and the angle adjusting hole (261), the side camera (32) is fixedly connected with the connecting plate (26), and the angle between the side camera (32) and the main camera (31) is adjusted through the adjusting member (63).
6. Display screen glass AOI detection apparatus according to claim 2, characterized in that the camera assembly (30), the light source assembly (40) and the adjustment assembly (20) are each provided in two sets, two sets of the camera assembly (30), two sets of the light source assembly (40) and two sets of the adjustment assembly (20) being symmetrically arranged with respect to the mounting plate (21).
7. The AOI detection device for display screen glass according to claim 1, wherein a lifting assembly (50) is disposed on the bracket (10), the lifting assembly (50) comprises an air cylinder (51) and a lifting plate (52), the air cylinder (51) is connected to the bracket (10), the lifting plate (52) is connected to a piston rod of the air cylinder (51), the lifting plate (52) is connected to the side light source (42), and the air cylinder (51) is used for driving the side light source (42) to lift.
8. Display screen glass AOI detection apparatus according to claim 1, characterized in that a light shield (70) is provided on the bracket (10), and the light shield (70) is used for shielding external light.
9. A display screen glass AOI detection method, which is characterized in that the display screen glass AOI detection device according to any one of claims 1 to 8 is adopted, and the display screen glass AOI detection method comprises the following steps:
placing a display screen, wherein the display screen is placed between a backlight source (41) and a side light source (42), the backlight source (41) illuminates the back surface of the display screen, and the side light source (42) illuminates the side surface of the display screen;
the method comprises the steps of image acquisition and processing, wherein a main camera (31) photographs a plane of a display screen to obtain a plane view, a side camera (32) photographs the display screen at a certain angle to obtain a side view, and a three-dimensional view is formed by combining the plane view and the side view;
and (4) image contrast detection, namely performing contrast analysis on the stereo image of the display screen and the standard image so as to obtain the defects of the display screen.
10. Display screen glass AOI detection method according to claim 9 characterized in that the fixing means (60), mounting means (61) and connecting means (62) are adjusted to adjust the position of the main camera (31) and the side camera (32) in the X, Y and Z axes, and the adjusting means (63) are adjusted to adjust the angle between the main camera (31) and the side camera (32) to enable the detection of different displays by the main camera (31) and the side camera (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303282.3A CN115639218A (en) | 2022-10-24 | 2022-10-24 | Display screen glass AOI detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303282.3A CN115639218A (en) | 2022-10-24 | 2022-10-24 | Display screen glass AOI detection device and detection method |
Publications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117368231A (en) * | 2023-12-06 | 2024-01-09 | 深圳市众志自动化设备有限公司 | Double-sided AOI detection device and detection method for display screen glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117368231A (en) * | 2023-12-06 | 2024-01-09 | 深圳市众志自动化设备有限公司 | Double-sided AOI detection device and detection method for display screen glass |
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