CN203204266U - Image capturing device for liquid crystal displayer backlight source visual detection - Google Patents
Image capturing device for liquid crystal displayer backlight source visual detection Download PDFInfo
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- CN203204266U CN203204266U CN201320138013.6U CN201320138013U CN203204266U CN 203204266 U CN203204266 U CN 203204266U CN 201320138013 U CN201320138013 U CN 201320138013U CN 203204266 U CN203204266 U CN 203204266U
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Abstract
The utility model provides an image capturing device for liquid crystal displayer backlight source visual detection, and relates to detecting techniques of a liquid crystal displayer. The image capturing device comprises a base plate and a camera, and further comprises a vertical regulating mechanism and a deflection mechanism, wherein the vertical regulating mechanism is installed on the base plate, the camera is installed on the vertical regulating mechanism so that the camera can move up and down, the deflection mechanism is installed on the base plate and located below the camera, the deflection mechanism is a device for adjusting the camera to collect backlight source image angles of the liquid crystal displayer, and a computer control system is arranged to control deflection of the deflection mechanism and image capturing of the camera. The camera can move up and down through the vertical regulating mechanism, so focusing of the camera and changing of a working distance are facilitated, and the image capturing device can be adapted to products of different sizes. The deflection mechanism drives a backlight source to do deflection movement to adjust the camera to collect the backlight source image angles of the liquid crystal displayer, the camera can collect images at different angles, and detection quality and efficiency are improved. The structure is compact, manufacturing cost can be reduced, and popularization is facilitated.
Description
Technical field
The utility model relates to the detection technique field of liquid crystal display, particularly a kind of image collecting device for the backlight of LCD vision-based detection.
Background technology
Along with a large amount of productions of liquid crystal, widespread use, and constantly the popularizing of LCD product, people are also more and more higher to the requirement of various LCD product qualities, equally to the also corresponding raising of requirement of backlight of LCD.The quality of backlight of LCD is mainly reflected in brightness, luminous uniformity coefficient and has or not the aspects such as stain.At present, the quality of backlight of LCD mainly detects by artificial naked eyes, and the method efficient of this detection is low, is not suitable with the needs of large-scale production, and labour intensity is large, and cost of labor is high, and can't guarantee the accuracy that detects.Simultaneously, general image capturing system all is by camera is fixed, and detected touch-screen keeps flat to carry out image acquisition, and the shortcoming of this method is that the part surface defective can't manifest, and can't guarantee the accuracy that detects.
A kind of energy of market demand is used for the device that quick and precisely gathers image of backlight of LCD vision-based detection.
Summary of the invention
The purpose of this utility model is the defects that overcomes prior art, and a kind of image collecting device for the backlight of LCD vision-based detection is provided, and its compact conformation, working stability can quick and precisely gather image.
For this reason, the technical solution of the utility model is:
A kind of image collecting device for the backlight of LCD vision-based detection, comprise bedplate and camera, also comprise vertical adjustment mechanism and deflection mechanism, vertical adjustment mechanism is installed on the bedplate, camera is installed on vertical adjustment mechanism and causes and can move up and down, deflection mechanism is installed on the bedplate and is positioned at the below of camera, deflection mechanism arranges computer control system with the deflection of control deflection mechanism and the image acquisition of camera for regulating the device of collected by camera backlight of LCD image angle.
Technique scheme is further set forth:
Described vertical adjustment mechanism comprises and erects support and the camera erecting frame that is arranged on the bedplate, camera is installed on the camera erecting frame, described camera erecting frame and support spin by the rack-and-pinion engagement or by screw mechanism, cause camera can lifting highly to be regulated with realization on support.
Described deflection mechanism comprises stepper motor, motor mount, shaft coupling, side plate, the I shape gusset, the backlight location-plate, the micro photo electric switch, inductive switching sheet and base plate, left, right described side plate is erect is installed on base plate, the I shape gusset is located at a left side by rotating shaft and bearing fit, right described side plate, mounted motor mount pad on the described side plate wherein, the stepper motor that is installed on the motor mount is made yaw motion by shaft coupling driving I shape gusset, the micro photo electric switch wherein is installed on another described side plate, and the inductive switching sheet is installed in the rotating shaft of this side, the position of micro photo electric switch is the initial point of stepper motor deflection, the backlight location-plate is fixed on the I shape gusset, backlight of LCD is placed on the backlight location-plate and is positioned, and backlight of LCD is also in company with doing yaw motion.
The beneficial effects of the utility model are:
One can be according to the needs of image acquisition, and camera can move up and down by vertical adjustment mechanism, are convenient to the camera focusing and change operating distance to adapt to the product of different size.They are two years old, deflection mechanism drives backlight and does yaw motion, regulate collected by camera backlight of LCD image angle, make the defective of backlight of LCD be apparent in from different perspectives under the camera lens of camera fully, the phase function collects the image of different angles, thereby guarantee the accuracy of detection, improve the quality that detects.Its three, can Quick Acquisition image, improved the efficient that detects.Its four, compact conformation can reduce manufacturing cost.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model deflection mechanism schematic diagram;
Fig. 3 is the utility model deflection mechanism optoelectronic switch scheme of installation;
Fig. 4 is the schematic diagram of the utility model deflection mechanism deflection left;
Fig. 5 is the schematic diagram of the utility model deflection mechanism horizontal level;
Fig. 6 is the schematic diagram of the utility model deflection mechanism deflection to the right.
Embodiment
Below, introduce by reference to the accompanying drawings embodiment of the present utility model.
Embodiment one
As shown in Figure 1, a kind of image collecting device for the backlight of LCD vision-based detection, comprise bedplate 8 and camera 1, also comprise vertical adjustment mechanism and deflection mechanism 7, vertical adjustment mechanism is installed on the bedplate 8, camera 1 is installed on vertical adjustment mechanism and causes and can move up and down, deflection mechanism 7 is installed on the bedplate 8 and is positioned at the below of camera 1, deflection mechanism 7 gathers the device of backlight of LCD 6 image angles for regulating camera 1, computer control system is set with the deflection of control deflection mechanism 7 and the image acquisition of camera 2.
Described vertical adjustment mechanism comprises and erects support and the camera erecting frame 2 that is arranged on the bedplate 8, camera 1 is installed on the camera erecting frame 2, camera erecting frame 2 comprises upright post base 5 and is installed in column 4 on the upright post base 5, upright post base 5 is fixed on the bedplate 8, camera erecting frame 2 is installed in adjusting knob 3, adjusting knob 3 is that the meshed gears tooth bar is secondary with column 4, regulates the height of camera 1 by turn adjusting knob 3.
As shown in Figures 2 and 3, described deflection mechanism 7 comprises stepper motor 108, motor mount 107, shaft coupling 106, side plate 101, I shape gusset 103, backlight location-plate 104, micro photo electric switch 111, inductive switching sheet 110 and base plate 109, left, right described side plate 101 is erect is installed on base plate 109, I shape gusset 103 is located at a left side by rotating shaft 102 and bearing fit, right described side plate 101, mounted motor mount pad 107 on the described side plate 101 wherein, the stepper motor 108 that is installed on the motor mount 107 is made yaw motion by shaft coupling 106 driving I shape gussets 103, micro photo electric switch 111 wherein is installed on another described side plate 101, and inductive switching sheet 110 is installed in the rotating shaft 102 of this side, the position of micro photo electric switch is the initial point of stepper motor 108 deflections, backlight location-plate 104 is fixed on the I shape gusset 103, backlight of LCD 105 is placed on the backlight location-plate 104 and is positioned, and backlight 105 is also in company with doing yaw motion.
Such as Fig. 4, Fig. 5 and shown in Figure 6, deflection mechanism 7 is under the drive of stepper motor 108, and backlight 105 can deflection, makes the defective of backlight 105 be apparent in from different perspectives under the camera lens of camera 1 fully, camera 1 collects the image of different angles, thereby guarantees the accuracy of detection.
Embodiment two
As shown in Figure 1, a kind of image collecting device for the backlight of LCD vision-based detection, comprise bedplate 8 and camera 1, also comprise vertical adjustment mechanism and deflection mechanism 7, vertical adjustment mechanism is installed on the bedplate 8, camera 1 is installed on vertical adjustment mechanism and causes and can move up and down, deflection mechanism 7 is installed on the bedplate 8 and is positioned at the below of camera 1, deflection mechanism 7 gathers the device of backlight of LCD 6 image angles for regulating camera 1, computer control system is set with the deflection of control deflection mechanism 7 and the image acquisition of camera 2.
Described vertical adjustment mechanism comprises and erects support and the camera erecting frame 2 that is arranged on the bedplate 8, camera 1 is installed on the camera erecting frame 2, camera erecting frame 2 comprises upright post base 5 and is installed in column 4 on the upright post base 5, upright post base 5 is fixed on the bedplate 8, camera erecting frame 2 is installed in adjusting knob 3, adjusting knob 3 and column 4 spin by screw mechanism, to regulate the height of camera 1.
Other content of embodiment two is identical with embodiment one.
Embodiment of the present utility model just introduces its embodiment, does not lie in to limit its protection domain.The technician of the industry can make some and revise under the inspiration of the present embodiment, therefore all equivalences of doing according to the utility model claim change or modify, all belong in the utility model Patent right requirement scope.
Claims (4)
1. image collecting device that is used for the backlight of LCD vision-based detection, comprise bedplate and camera, it is characterized in that: also comprise vertical adjustment mechanism and deflection mechanism, vertical adjustment mechanism is installed on the bedplate, camera is installed on vertical adjustment mechanism and causes and can move up and down, deflection mechanism is installed on the bedplate and is positioned at the below of camera, deflection mechanism arranges computer control system with the deflection of control deflection mechanism and the image acquisition of camera for regulating the device of collected by camera backlight of LCD image angle.
2. a kind of image collecting device for the backlight of LCD vision-based detection according to claim 2, it is characterized in that: described vertical adjustment mechanism comprises and erects support and the camera erecting frame that is arranged on the bedplate, camera is installed on the camera erecting frame, described camera erecting frame and support spin by the rack-and-pinion engagement or by screw mechanism, cause camera can lifting highly to be regulated with realization on support.
3. a kind of image collecting device for the backlight of LCD vision-based detection according to claim 1 and 2, it is characterized in that: described deflection mechanism comprises stepper motor, motor mount, shaft coupling, side plate, the I shape gusset, the backlight location-plate, the micro photo electric switch, inductive switching sheet and base plate, left, right described side plate is erect is installed on base plate, the I shape gusset is located at a left side by rotating shaft and bearing fit, right described side plate, mounted motor mount pad on the described side plate wherein, the stepper motor that is installed on the motor mount is made yaw motion by shaft coupling driving I shape gusset, the micro photo electric switch wherein is installed on another described side plate, and the inductive switching sheet is installed in the rotating shaft of this side, the position of micro photo electric switch is the initial point of stepper motor deflection, the backlight location-plate is fixed on the I shape gusset, backlight of LCD is placed on the backlight location-plate and is positioned, and backlight of LCD is also in company with doing yaw motion.
4. a kind of image collecting device for the backlight of LCD vision-based detection according to claim 3, it is characterized in that: stepper motor and camera are electrically connected with computer control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320138013.6U CN203204266U (en) | 2013-03-26 | 2013-03-26 | Image capturing device for liquid crystal displayer backlight source visual detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320138013.6U CN203204266U (en) | 2013-03-26 | 2013-03-26 | Image capturing device for liquid crystal displayer backlight source visual detection |
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| CN203204266U true CN203204266U (en) | 2013-09-18 |
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| CN201320138013.6U Expired - Lifetime CN203204266U (en) | 2013-03-26 | 2013-03-26 | Image capturing device for liquid crystal displayer backlight source visual detection |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228825A (en) * | 2017-06-01 | 2017-10-03 | 浙江大学 | A kind of angle adjusting mechanism for machine vision platform camera system |
| CN107621353A (en) * | 2017-07-25 | 2018-01-23 | 江苏美威自动化科技有限公司 | A kind of backlight module monitor station |
| CN107621707A (en) * | 2017-10-27 | 2018-01-23 | 东莞市兴为电子科技有限公司 | A kind of liquid crystal screen back light source module surface defect automatic optical detecting system |
| CN108195762A (en) * | 2018-03-16 | 2018-06-22 | 鞍钢未来钢铁研究院有限公司 | A kind of micromatic setting and method for realizing line scan camera detection steel defect |
| CN109298552A (en) * | 2018-03-22 | 2019-02-01 | 苏州故善得电子科技有限公司 | A kind of fixation device detecting LCD liquid crystal display screen |
| CN109307940A (en) * | 2018-03-22 | 2019-02-05 | 苏州故善得电子科技有限公司 | A kind of fixation device when adjustable LCD liquid crystal display screen detects |
| CN112229836A (en) * | 2020-09-15 | 2021-01-15 | 华南农业大学 | Detection device and detection method for rice filled grains and rice empty grains |
| CN113218622A (en) * | 2021-02-06 | 2021-08-06 | 安徽赛迈特光电股份有限公司 | Detection device and method for quantum dot backlight module of display |
| CN114235812A (en) * | 2021-11-26 | 2022-03-25 | 江苏凡润电子有限公司 | Intelligent vision system in high-precision manufacturing and detecting process of display back plate |
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2013
- 2013-03-26 CN CN201320138013.6U patent/CN203204266U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228825A (en) * | 2017-06-01 | 2017-10-03 | 浙江大学 | A kind of angle adjusting mechanism for machine vision platform camera system |
| CN107621353A (en) * | 2017-07-25 | 2018-01-23 | 江苏美威自动化科技有限公司 | A kind of backlight module monitor station |
| CN107621707A (en) * | 2017-10-27 | 2018-01-23 | 东莞市兴为电子科技有限公司 | A kind of liquid crystal screen back light source module surface defect automatic optical detecting system |
| CN108195762A (en) * | 2018-03-16 | 2018-06-22 | 鞍钢未来钢铁研究院有限公司 | A kind of micromatic setting and method for realizing line scan camera detection steel defect |
| CN108195762B (en) * | 2018-03-16 | 2024-03-26 | 鞍钢集团北京研究院有限公司 | Fine adjustment device and method for detecting strip steel defects by using line scanning camera |
| CN109298552A (en) * | 2018-03-22 | 2019-02-01 | 苏州故善得电子科技有限公司 | A kind of fixation device detecting LCD liquid crystal display screen |
| CN109307940A (en) * | 2018-03-22 | 2019-02-05 | 苏州故善得电子科技有限公司 | A kind of fixation device when adjustable LCD liquid crystal display screen detects |
| CN112229836A (en) * | 2020-09-15 | 2021-01-15 | 华南农业大学 | Detection device and detection method for rice filled grains and rice empty grains |
| CN113218622A (en) * | 2021-02-06 | 2021-08-06 | 安徽赛迈特光电股份有限公司 | Detection device and method for quantum dot backlight module of display |
| CN113218622B (en) * | 2021-02-06 | 2023-03-07 | 安徽赛迈特光电股份有限公司 | Detection device and method for quantum dot backlight module of display |
| CN114235812A (en) * | 2021-11-26 | 2022-03-25 | 江苏凡润电子有限公司 | Intelligent vision system in high-precision manufacturing and detecting process of display back plate |
| CN114235812B (en) * | 2021-11-26 | 2022-10-21 | 江苏凡润电子有限公司 | Intelligent vision system in high-precision manufacturing and detecting process of display back plate |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 102, building 1, No.5 Lixin Junmin Road, Dongcheng Street, Dongguan City, Guangdong Province 523120 Patentee after: DONGGUAN TONGON TECHNOLOGY Co.,Ltd. Address before: 523000, B, building 406, North Zone, Goldman Sachs Science Park, grand road, Nancheng, Guangdong, Dongguan Patentee before: DONGGUAN TONGON TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
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| CX01 | Expiry of patent term |