CN210953862U - Liquid crystal display scratch detection device - Google Patents
Liquid crystal display scratch detection device Download PDFInfo
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- CN210953862U CN210953862U CN201921124558.5U CN201921124558U CN210953862U CN 210953862 U CN210953862 U CN 210953862U CN 201921124558 U CN201921124558 U CN 201921124558U CN 210953862 U CN210953862 U CN 210953862U
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Abstract
The utility model discloses a liquid crystal screen scratch detection device, which comprises a detection platform, a liquid crystal screen placing seat to be detected, a light source system, a bracket and a camera system arranged on the bracket, wherein the liquid crystal screen placing seat is arranged on the detection platform; the light source system comprises a positive surface light source connected to the bracket and a side surface light source arranged on the detection platform; and the front light source is coaxial with the camera system, and a front light source adjusting mechanism is arranged on the bracket. Adopt the utility model discloses an automatic polish the test and find out the optimal parameter scheme of the light effect of polishing in certain extent that is detected the target to obtain more excellent image processing result and the multiplexing scheme of polishing.
Description
Technical Field
The utility model relates to a check out test set technical field particularly, relates to a LCD screen mar detection device.
Background
The liquid crystal screen is mainly used for displaying images and colors, in the production process of the existing automatic batch products, the detection of the appearance and the like needs to be carried out through human eyes, and due to the factors that the judgment of the human eyes is not easy to quantify and execute, the human eyes are easy to fatigue, people are easy to emotize, the products cannot work for a long time in a high-temperature or toxic environment and the like, the detection of the products has the conditions of misjudgment and high error rate, and the visual detection and measurement are gradually concerned by more people in the industry.
In the prior art, the visual detection device still has many defects, the system light source design is always a very important link in machine vision, the target information and the background information in the image are optimally separated through proper light source illumination design, the difficulty of image processing algorithm segmentation and identification can be greatly reduced, the positioning and measurement accuracy of the system is improved, and the reliability and the comprehensive performance of the system are improved. Since there is no general machine vision lighting device, the corresponding lighting device is designed separately for each specific application example in order to achieve the best lighting effect. Therefore, the designed lighting device is high in coupling degree, applicable to few application cases and large in manpower and material resource loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LCD screen mar detection device finds out the optimal parameter scheme of the light effect of polishing in the certain extent that is detected the target through the test of polishing automatically to obtain more excellent image processing result and the multiplexing scheme of polishing.
In order to achieve the technical purpose, the utility model discloses a technical scheme specifically as follows:
a liquid crystal screen scratch detection device comprises a detection platform, a liquid crystal screen placing seat to be detected, a light source system, a support and a camera system, wherein the liquid crystal screen placing seat is arranged on the detection platform; the light source system comprises a positive surface light source connected to the bracket and a side surface light source arranged on the detection platform; and the front light source is coaxial with the camera system, and a front light source adjusting mechanism is arranged on the bracket.
Further, the support includes many stands, sets up the shading baffle at many stand tops.
Further, the camera system comprises an industrial camera, an industrial camera mounting frame and an adjusting mechanism connected to the industrial camera mounting frame; the industrial camera mounting frame is connected to the support and is provided with a horizontal cross beam.
Furthermore, the adjusting mechanism comprises a transverse adjusting base plate connected to the horizontal cross beam, a longitudinal adjusting base plate connected to the horizontal adjusting base plate, and a vertical adjusting base plate vertically connected to the longitudinal adjusting base plate, and strip-shaped sliding grooves are formed in the three adjusting base plates respectively.
Further, the longitudinal adjusting base plate is connected to the strip-shaped sliding groove of the transverse adjusting base plate in a sliding mode through the sliding block, and the vertical adjusting base plate is connected to the strip-shaped sliding groove of the longitudinal adjusting base plate in a sliding mode through the sliding block.
Further, the industrial camera is fixed on the camera adapter plate, and the camera adapter plate is connected to the sliding groove of the vertical adjusting substrate in a sliding mode.
Furthermore, the front surface light source adjusting mechanism comprises an adapter plate, the adapter plate is connected to the support, and a guide groove is formed in the adapter plate.
Further, the side light source comprises a lighting mechanism and a servo motor, wherein the lighting mechanism and the servo motor are symmetrically arranged on the liquid crystal screen to be tested and drive the lighting mechanism to rotate, and the output end of the servo motor is connected with a worm and gear mechanism.
Furthermore, a bar-shaped light source adapter plate is connected to the worm gear mechanism, and the end of the bar-shaped light source adapter plate is connected to the polishing mechanism.
Further, the light emitting mechanism is a bar-shaped light source.
The beneficial effects of the utility model reside in that: the utility model is different from the prior art, the utility model discloses use positive surface light source to realize many light source linkages as auxiliary light source, bar light source for the main light source, bar light source's angular adjustment is convenient, advantages such as the directionality is good, can be applied to the defect detection to types such as mar, surface crack. The industrial camera coaxial with the front light source is arranged, and the multi-direction adjusting mechanism of the industrial camera is arranged, so that the use requirements of various different environments can be met.
Drawings
Fig. 1 is a schematic overall structure of the liquid crystal display scratch detection device provided by the present invention;
fig. 2 is a schematic front partial enlarged structure view of the liquid crystal display scratch detection apparatus provided by the present invention;
fig. 3 is the utility model provides a liquid crystal screen scratch detection device back light source structure sketch map.
Reference numerals:
1. a support; 2. a camera system; 2-1, industrial camera; 2-2, a camera adapter plate; 2-3, transversely adjusting the substrate; 2-4, a strip-shaped chute; 2-5, longitudinally adjusting the substrate; 2-6, vertically adjusting the substrate; 3. a front surface light source; 3-1, a coaxial light source; 3-2, an adapter plate; 3-3, a guide groove; 4. a side light source; 4-1, a strip light source; 4-2, a strip light source adapter plate; 4-3, mounting a base; 4-4, a servo motor; 4-5, a worm gear mechanism; 4-6, a strip-shaped light source mounting seat; 5. a detection platform; 6. a liquid crystal display placing seat to be tested; 6-1, a workbench; 6-2 and a positioning pin hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1-3, a device for detecting scratches of a liquid crystal display includes a detection platform 5, a placement seat 6 for a liquid crystal display to be detected, which is disposed on the detection platform 5, a light source system, a bracket 1, and a camera system 2 mounted on the bracket 1; the support 1 comprises a plurality of stand columns and shading baffle plates arranged at the tops of the stand columns.
The light source system comprises a positive surface light source 3 connected to the bracket 1 and a side surface light source 4 arranged on the detection platform 5; the positive surface light source 3 is a coaxial light source 3-1 and is coaxial with the camera system 2, and the bracket 1 is provided with a positive surface light source 3 adjusting mechanism. The adjusting mechanism of the front surface light source 3 comprises an adapter plate 3-2, the adapter plate 3-2 is connected to the support 1, and a guide groove 3-3 is formed in the adapter plate 3-2. The side surface light source 4 comprises a lighting mechanism and servo motors 4-4, wherein the lighting mechanism is symmetrically arranged on the liquid crystal screen to be tested, the servo motors 4-4 drive the lighting mechanism to rotate, the output ends of the servo motors 4-4 are connected with worm and gear mechanisms 4-5, and the servo motors 4-4 are installed on the installation base 4-3. The worm gear mechanism 4-5 is connected with a strip-shaped light source adapter plate 4-2, and the end part of the strip-shaped light source adapter plate 4-2 is connected with the polishing mechanism. The lighting mechanism is a strip-shaped light source 4-1, a strip-shaped light source 4-1 mounting seat is arranged on the detection platform 5, and the strip-shaped light source 4-1 mounting seat is arranged between the mounting base 4-3 and the liquid crystal display placing seat 6 to be detected.
The camera system 2 comprises an industrial camera 2-1, an industrial camera 2-1 mounting frame and an adjusting mechanism connected to the industrial camera 2-1 mounting frame; the industrial camera 2-1 mounting frame is connected to the support 1 and is provided with a horizontal beam. The adjusting mechanism comprises a transverse adjusting base plate 2-3 connected to the horizontal cross beam, a longitudinal adjusting base plate 2-5 connected to the horizontal adjusting base plate, and a vertical adjusting base plate 2-6 vertically connected to the longitudinal adjusting base plate, and strip-shaped sliding grooves 2-4 are respectively arranged on the three adjusting base plates. The longitudinal adjusting base plate 2-5 is connected to the strip-shaped sliding groove 2-4 of the transverse adjusting base plate 2-3 in a sliding mode through a sliding block, and the vertical adjusting base plate 2-6 is connected to the strip-shaped sliding groove 2-4 of the longitudinal adjusting base plate in a sliding mode through the sliding block. The industrial camera 2-1 is fixed on the camera adapter plate 2-2, and the camera adapter plate 2-2 is connected to the sliding groove of the vertical adjusting substrate in a sliding mode.
In the in-service use process, the utility model discloses establish the XYZ axial with testing platform 5, the axis of rotation overlaps with the Y coordinate axle, and X axle positive direction is horizontal angle 0, and anticlockwise rotation is for just increasing, specifically can be as the example as shown in FIG. 1.
After the industrial camera 2-1 is installed, the liquid crystal screen to be tested is horizontally placed on a placing seat, the placing seat comprises a workbench 6-1 which is smooth horizontally, a plurality of positioning pin holes are formed in the workbench 6-1 and used for assisting calibration, and the area of the workbench 6-1 is smaller than that of the front surface light source 3. After the placement is finished, the industrial camera 2-1 is adjusted, the position of the industrial camera 2-1 in the horizontal plane direction can be adjusted through the transverse adjusting substrate and the longitudinal adjusting substrate 2-5, and then the height of the industrial camera is adjusted through the vertical adjusting substrate 2-6. Meanwhile, the front light source 3 coaxial with the industrial camera 2-1 can also be adjusted in height.
After the front light source 3 is adjusted, the side light source 4 is adjusted, and at this time, the side strip light source 4-1 is used as a main light source and is called as a main light source used for changing parameters such as angle and brightness. Starting the servo motor 4-4, starting the worm gear mechanism 4-5 connected with the output end of the servo motor 4-4 to rotate, driving the strip-shaped light source adapter plate 4-2 to rotate, and adjusting the rotation angle of the strip-shaped light source 4-1 according to the positive and negative rotation of the servo motor 4-4. And quantifying the polishing effect according to a certain weight based on the difference value between the measured value and the true value.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a LCD screen mar detection device, includes testing platform (5), its characterized in that: the device comprises a liquid crystal display placing seat (6) to be detected, a light source system, a support (1) and a camera system (2) arranged on the support (1), wherein the liquid crystal display placing seat is arranged on a detection platform (5); the light source system comprises a positive surface light source (3) connected to the bracket (1) and a side surface light source (4) arranged on the detection platform (5); the positive surface light source (3) is coaxial with the camera system (2), and a positive surface light source (3) adjusting mechanism is arranged on the bracket (1).
2. The device for detecting scratches of a liquid crystal display panel according to claim 1, wherein: the support (1) comprises a plurality of stand columns and shading baffle plates arranged at the tops of the stand columns.
3. The device for detecting scratches of a liquid crystal display panel according to claim 1, wherein: the camera system (2) comprises an industrial camera (2-1), an industrial camera mounting frame and an adjusting mechanism connected to the industrial camera mounting frame; the industrial camera mounting frame is connected to the support (1) and is provided with a horizontal cross beam.
4. The device for detecting scratches of a liquid crystal display panel according to claim 3, wherein: the adjusting mechanism comprises a transverse adjusting base plate (2-3) connected to the horizontal cross beam, a longitudinal adjusting base plate (2-5) connected to the horizontal adjusting base plate, and a vertical adjusting base plate (2-6) vertically connected to the longitudinal adjusting base plate, and strip-shaped sliding grooves (2-4) are respectively formed in the three adjusting base plates.
5. The device for detecting scratches of LCD panel according to claim 4, wherein: the longitudinal adjusting base plate (2-5) is connected to the strip-shaped sliding groove (2-4) of the transverse adjusting base plate (2-3) in a sliding mode through a sliding block, and the vertical adjusting base plate (2-6) is connected to the strip-shaped sliding groove (2-4) of the longitudinal adjusting base plate (2-5) in a sliding mode through the sliding block.
6. The device for detecting scratches of LCD screen according to any of claims 4-5, wherein: the industrial camera (2-1) is fixed on the camera adapter plate (2-2), and the camera adapter plate (2-2) is connected to the sliding groove of the vertical adjusting substrate (2-6) in a sliding mode.
7. The device for detecting scratches of a liquid crystal display panel according to claim 1, wherein: the adjusting mechanism of the front surface light source (3) comprises an adapter plate (3-2), the adapter plate (3-2) is connected to the support (1), and a guide groove (3-3) is formed in the adapter plate (3-2).
8. The device for detecting scratches of a liquid crystal display panel according to claim 1, wherein: the side surface light source (4) comprises a polishing mechanism and servo motors (4-4), wherein the polishing mechanism and the servo motors are symmetrically arranged on the liquid crystal screen to be tested, the servo motors drive the polishing mechanism to rotate, and the output ends of the servo motors (4-4) are connected with worm and gear mechanisms (4-5).
9. The device for detecting scratches of a liquid crystal display panel according to claim 8, wherein: the worm gear mechanism (4-5) is connected with a strip-shaped light source adapter plate (4-2), and the end part of the strip-shaped light source adapter plate (4-2) is connected to the polishing mechanism.
10. The device for detecting scratches of a liquid crystal display panel according to claim 9, wherein: the light emitting mechanism is a strip-shaped light source (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124558.5U CN210953862U (en) | 2019-07-18 | 2019-07-18 | Liquid crystal display scratch detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124558.5U CN210953862U (en) | 2019-07-18 | 2019-07-18 | Liquid crystal display scratch detection device |
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| CN210953862U true CN210953862U (en) | 2020-07-07 |
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| CN201921124558.5U Active CN210953862U (en) | 2019-07-18 | 2019-07-18 | Liquid crystal display scratch detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441553A (en) * | 2022-04-11 | 2022-05-06 | 深圳市鹰眼在线电子科技有限公司 | Mini LED detection structure with self-adjusting light source |
| CN115355822A (en) * | 2022-10-19 | 2022-11-18 | 成都新西旺自动化科技有限公司 | Special-shaped alignment calculation method and system |
-
2019
- 2019-07-18 CN CN201921124558.5U patent/CN210953862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441553A (en) * | 2022-04-11 | 2022-05-06 | 深圳市鹰眼在线电子科技有限公司 | Mini LED detection structure with self-adjusting light source |
| CN114441553B (en) * | 2022-04-11 | 2022-07-12 | 深圳市鹰眼在线电子科技有限公司 | Mini LED detection structure with self-adjusting light source |
| CN115355822A (en) * | 2022-10-19 | 2022-11-18 | 成都新西旺自动化科技有限公司 | Special-shaped alignment calculation method and system |
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