CN113934027A - Liquid crystal display panel transmission detection device - Google Patents
Liquid crystal display panel transmission detection device Download PDFInfo
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- CN113934027A CN113934027A CN202111153678.XA CN202111153678A CN113934027A CN 113934027 A CN113934027 A CN 113934027A CN 202111153678 A CN202111153678 A CN 202111153678A CN 113934027 A CN113934027 A CN 113934027A
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- light source
- camera
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- conveying
- module
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
Abstract
The invention relates to a liquid crystal display panel transmission detection device, which comprises a conveying module, a light source module and a camera module; the conveying module comprises a conveying assembly, a vertical frame, a frame and a driving assembly, wherein the conveying assembly is arranged on the frame, the driving assembly is arranged on the side wall of the frame and used for driving the conveying assembly to realize conveying operation, the vertical frame is arranged on one side of the frame and provided with a detection channel for panel transmission, and the light source module and the camera module are respectively arranged on the upper side and the lower side of the detection channel in an opposite matching mode. The automatic conveying of the counter panel is completed through the conveying module, the light source module provides a light source for the camera module, the camera module can dynamically scan the panel image and perform data analysis, an analysis result is provided, automatic detection operation is achieved, the detection efficiency is greatly improved, and manpower is saved.
Description
Technical Field
The invention relates to the technical field of liquid crystal panel processing, in particular to a liquid crystal panel transmission detection device.
Background
The existing panel (liquid crystal panel) is in the production and manufacturing process, and the situation of foreign matters possibly exists after the panel is attached to the panel, such as bubbles, fibers, residual glue and other bad foreign matters, the panel is generally inspected by naked eyes, but the naked eyes cannot inspect the panel comprehensively, the inspection effect is poor, the panel is not beneficial to automatic operation, and the efficiency is low.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a liquid crystal panel transmission and detection apparatus, which can improve the panel detection efficiency.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that: a liquid crystal display panel transmission detection device comprises a conveying module, a light source module and a camera module;
the conveying module comprises a conveying assembly, a vertical frame, a frame and a driving assembly, wherein the conveying assembly is arranged on the frame, the driving assembly is arranged on the side wall of the frame and used for driving the conveying assembly to realize conveying operation, the vertical frame is arranged on one side of the frame and provided with a detection channel for panel transmission, and the light source module and the camera module are respectively arranged on the upper side and the lower side of the detection channel in an opposite matching mode.
(III) advantageous effects
The invention has the beneficial effects that: the automatic conveying of the counter panel is completed through the conveying module, the light source module provides a light source for the camera module, the camera module can dynamically scan the panel image and perform data analysis, an analysis result is provided, automatic detection operation is achieved, the detection efficiency is greatly improved, and manpower is saved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a liquid crystal panel transmission detection device according to the present invention;
FIG. 2 is a detailed view of portion A of FIG. 1;
FIG. 3 is a side cross-sectional view of an LCD panel transmission detection device according to the present invention;
[ description of reference ]
1. A frame; 2. erecting a frame; 3. a drive assembly; 4. a delivery assembly; 5. a roll shaft; 6. a roller; 7. a panel;
8. a light source module; 81. a first light source; 82. a second light source; 83. a third light source;
9. a camera module; 91. a first camera; 92. a second camera; 93. a third camera;
10. clamping and positioning components; 11. front fender locating component.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, a liquid crystal panel transmission and detection apparatus includes a conveying module, a light source module and a camera module;
the conveying module comprises a conveying assembly, a vertical frame, a frame and a driving assembly, wherein the conveying assembly is arranged on the frame, the driving assembly is arranged on the side wall of the frame and used for driving the conveying assembly to realize conveying operation, the vertical frame is arranged on one side of the frame and provided with a detection channel for panel transmission, and the light source module and the camera module are respectively arranged on the upper side and the lower side of the detection channel in an opposite matching mode.
According to the automatic panel conveying device, automatic panel conveying is completed through the conveying module, the light source module provides a light source for the camera module, the camera module can dynamically scan the panel image and perform data analysis, an analysis result is provided, automatic detection operation is achieved, detection efficiency is greatly improved, and manpower is saved.
Furthermore, the detection channel is divided into a front detection channel and a rear detection channel, the number of the light source modules and the number of the camera modules are respectively multiple groups, the light source modules comprise a front first light source, a front second light source and a rear third light source, and the camera modules comprise a front first camera, a front second camera and a rear third camera;
the front first camera and the front first light source are respectively matched and arranged on the upper side and the lower side of the front detection channel, the front second light source and the front second camera are respectively matched and arranged on the upper side and the lower side of the front detection channel, the front first light source and the matched front first camera are focused on a first focusing point, the front second light source and the matched front second camera are focused on a second focusing point, and the front third light source and the matched front third camera are focused on a third focusing point.
According to the above description, through the cooperation between the front first camera, the front first light source, the front second camera and the front second light source, the front and back sides of the conveyed panel can be preliminarily photographed and detected, and then through the cooperation between the back third camera and the back third light source, the panel can be photographed and detected again, so that the reliability of the detection result is ensured.
Further, preceding first light source and preceding second light source with the contained angle between the direction of delivery of transport assembly is 87 +/-5 and 77 +/-5 respectively, preceding first camera and preceding second camera with the contained angle between the direction of delivery of transport assembly is 100 +/-1, back third light source and back third camera with the contained angle between the direction of delivery of transport assembly is 90.
As can be seen from the above description, the illumination angles of the light sources are different, so that the panel can be illuminated from multiple angles and the defects existing in the panel can be detected by matching with the cameras, and the reliability of the detection result is further ensured. In addition, the angle of the front first light source, the front second light source, the front first camera and the front second camera can be adjusted according to actual requirements, and therefore the device can be compatible with various detection scenes.
Further, the distances between the first camera and the second camera and the first focusing point and between the third camera and the third focusing point are both 722mm, the distance between the third camera and the third focusing point is 461.3mm, the distance between the first light source and the first focusing point is 50-70 mm, the distance between the second light source and the second focusing point is 50-70 mm, and the distance between the third light source and the third focusing point is 5-50 mm.
As can be seen from the above description, the distance between each light source and each corresponding focus point is short, so that the light emitted from each light source can have sufficient brightness to meet the detection requirement when being irradiated on the panel, and the distance between each camera and each corresponding focus point is long, so that a clear image can be captured. In addition, the distance between each light source and each corresponding focus point can be adjusted according to the actual detection scene, and the requirements of various detection scenes are met.
Further, the conveying assembly comprises a roller shaft and a roller;
but roller interval ground swivelling joint in the surface of frame, drive assembly drive the roller rotates, the axle body interval of roller is worn to be equipped with the gyro wheel.
As can be seen from the above description, the use of the roller as the transport unit enables the camera and the light source to pass through the gap between the rollers to detect the panel. In addition, the roller wheels are arranged on the shaft body of the roller shaft at intervals in a penetrating mode, and the panel can be stably conveyed.
Furthermore, the device also comprises a clamping positioning assembly and a front stop positioning assembly;
the front stop positioning assembly is arranged between the adjacent roll shafts and is close to the vertical frame, the front stop positioning assembly can move up and down and back and forth, and the front stop positioning assembly is used for blocking or releasing a panel conveyed on the conveying assembly;
the clamping assembly is arranged between the adjacent roller shafts and located on the front side of the front baffle positioning assembly, the clamping assembly can perform clamping and loosening actions, and the clamping assembly is used for clamping or loosening the panel conveyed on the conveying assembly.
From the above description, when the panel is conveyed to the position of the front stop positioning assembly on the conveying assembly, the conveying assembly stops conveying, the front stop positioning assembly can stop the panel and push the panel back to the designated position to reset, the clamping positioning assembly clamps the panel to position and reset, the panel can perform subsequent detection on the specified position of the conveying assembly, the front stop positioning assembly descends after positioning is completed, and the conveying assembly conveys the panel to the next station and performs detection operation through the detection channel in the process.
Example one
Referring to fig. 1 to 3, an lcd panel transmission and detection apparatus includes a conveying module, a light source module 8 and a camera module 9;
carry the module including conveyor components 4, grudging post 2, frame 1 and drive assembly 3, conveyor components 4 set up in on the frame 1, drive assembly 3 set up in on the lateral wall of frame 1, drive assembly 3 is used for the drive conveyor components 4 realize carrying the operation, grudging post 2 set up in one side of frame 1, just grudging post 2 with be equipped with the testing channel who is used for the transmission of panel 7 between the frame 1, light source module 8 and camera module 9 opposition cooperation respectively set up in testing channel's upper and lower both sides.
The detection channel is divided into a front detection channel and a rear detection channel, the number of the light source modules 8 and the number of the camera modules 9 are multiple, the light source module 8 comprises a front first light source 81, a front second light source 82 and a rear third light source 83, and the camera module 9 comprises a front first camera 91, a front second camera 92 and a rear third camera 93;
the front first camera 91 and the front first light source 81 are respectively arranged on the upper side and the lower side of the front detection channel in a matching manner, the front second light source 82 and the front second camera 92 are respectively arranged on the upper side and the lower side of the front detection channel in a matching manner, a first focusing point is focused between the front first light source 81 and the front first camera 91 which is matched with the front first light source, a second focusing point is focused between the front second light source 82 and the front second camera 92 which is matched with the front first light source, and a third focusing point is focused between the front third light source 83 and the front third camera 93 which is matched with the front second light source.
As shown in fig. 1, the front second camera 92 and the front third camera 93 are respectively disposed at intervals on the top of the rack 1, the front first camera 91 is disposed at intervals below the roller 6 of the conveying assembly 4 not shown in fig. 1, the front second light source 82 is disposed at intervals between the left and right sides of the rack 1 in fig. 1, and the first camera 91 and the third camera 93 are disposed at intervals below the roller 6 of the conveying assembly 4 not shown in fig. 1. The panel 7 of carrying can be detected comprehensively through multiunit camera and light source, has guaranteed the comprehensiveness that detects.
As shown in fig. 3, the included angles between the front first light source 81 and the front second light source 82 and the conveying direction of the conveying assembly 4 are 87 ± 5 ° and 77 ± 5 °, the included angles between the front first camera 91 and the front second camera 92 and the conveying direction of the conveying assembly 4 are 100 ± 1 °, and the included angles between the rear third light source 83 and the rear third camera 93 and the conveying direction of the conveying assembly 4 are 90 °.
As shown in fig. 3, the distances between the first camera 91 and the second camera 92 and the first focusing point and the second focusing point are 722mm, the distance between the third camera 93 and the third focusing point is 461.3mm, the distance between the first light source 81 and the first focusing point is 50-70 mm, the distance between the second light source 82 and the second focusing point is 50-70 mm, and the distance between the third light source 83 and the third focusing point is 5-50 mm.
Wherein the conveying assembly 4 comprises a roller shaft 5 and a roller 6;
As shown in fig. 2, the device further comprises a clamping positioning assembly 10 and a front stop positioning assembly 11;
the front stop positioning component 11 is arranged between the adjacent roll shafts 5 and is close to the vertical frame 2, the front stop positioning component 11 can move up and down and back and forth, and the front stop positioning component 11 is used for stopping or releasing the panel 7 conveyed on the conveying component 4;
the clamping assembly is arranged between the adjacent roller shafts 5 and located on the front side of the front baffle positioning assembly 11, the clamping assembly can perform clamping and loosening actions, and the clamping assembly is used for clamping or loosening the panel 7 conveyed on the conveying assembly 4.
In summary, the liquid crystal panel transmission detection device provided by the invention completes automatic panel transmission through the transmission module, the light source module provides light for the camera module, the camera module can dynamically scan the panel image and perform data analysis, and provides an analysis result, so that automatic detection operation is realized, the detection efficiency is greatly improved, and the manpower is saved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. The liquid crystal display panel transmission detection device is characterized by comprising a conveying module, a light source module and a camera module;
the conveying module comprises a conveying assembly, a vertical frame, a frame and a driving assembly, wherein the conveying assembly is arranged on the frame, the driving assembly is arranged on the side wall of the frame and used for driving the conveying assembly to realize conveying operation, the vertical frame is arranged on one side of the frame and provided with a detection channel for panel transmission, and the light source module and the camera module are respectively arranged on the upper side and the lower side of the detection channel in an opposite matching mode.
2. The device for detecting the transmission of a liquid crystal panel according to claim 1, wherein the detection channel is divided into a front detection channel and a rear detection channel, the number of the light source modules and the number of the camera modules are respectively multiple, the light source modules comprise a front first light source, a front second light source and a rear third light source, and the camera modules comprise a front first camera, a front second camera and a rear third camera;
the front first camera and the front first light source are respectively matched and arranged on the upper side and the lower side of the front detection channel, the front second light source and the front second camera are respectively matched and arranged on the upper side and the lower side of the front detection channel, the front first light source and the matched front first camera are focused on a first focusing point, the front second light source and the matched front second camera are focused on a second focusing point, and the front third light source and the matched front third camera are focused on a third focusing point.
3. The lcd panel transmission detection device according to claim 2, wherein the included angles between the front first light source and the front second light source and the conveying direction of the conveying assembly are 87 ± 5 ° and 77 ± 5 °, respectively, the included angles between the front first camera and the front second camera and the conveying direction of the conveying assembly are 100 ± 1 °, and the included angles between the rear third light source and the rear third camera and the conveying direction of the conveying assembly are 90 °.
4. The device for detecting the transmission of the liquid crystal panel according to claim 2, wherein the first camera and the second camera are respectively located at 722mm distances from the first focusing point and the second focusing point, the third camera is located at 461.3mm distances from the third focusing point, the first light source is located at 50-70 mm distances from the first focusing point, the second light source is located at 50-70 mm distances from the second focusing point, and the third light source is located at 5-50 mm distances from the third focusing point.
5. The lcd panel transport detection apparatus of claim 1, wherein the transport assembly comprises a roller shaft and a roller;
but roller interval ground swivelling joint in the surface of frame, drive assembly drive the roller rotates, the axle body interval of roller is worn to be equipped with the gyro wheel.
6. The LCD panel transmission detection device of claim 5, further comprising a clamping positioning component and a front stop positioning component;
the front stop positioning assembly is arranged between the adjacent roll shafts and is close to the vertical frame, the front stop positioning assembly can move up and down and back and forth, and the front stop positioning assembly is used for blocking or releasing a panel conveyed on the conveying assembly;
the clamping assembly is arranged between the adjacent roller shafts and located on the front side of the front baffle positioning assembly, the clamping assembly can perform clamping and loosening actions, and the clamping assembly is used for clamping or loosening the panel conveyed on the conveying assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153678.XA CN113934027A (en) | 2021-09-29 | 2021-09-29 | Liquid crystal display panel transmission detection device |
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| CN202111153678.XA CN113934027A (en) | 2021-09-29 | 2021-09-29 | Liquid crystal display panel transmission detection device |
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| CN113934027A true CN113934027A (en) | 2022-01-14 |
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