CN110721925A - Automatic detection line for liquid crystal display television screen - Google Patents
Automatic detection line for liquid crystal display television screen Download PDFInfo
- Publication number
- CN110721925A CN110721925A CN201810774439.8A CN201810774439A CN110721925A CN 110721925 A CN110721925 A CN 110721925A CN 201810774439 A CN201810774439 A CN 201810774439A CN 110721925 A CN110721925 A CN 110721925A
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- CN
- China
- Prior art keywords
- brightness
- liquid crystal
- speed camera
- terminal
- screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses an automatic detection line for a liquid crystal television screen, which comprises a PC terminal, a main conveyor belt, a detection box, a high-speed camera and a manipulator, wherein the detection box is arranged on one side of the main conveyor belt; the PC terminal is provided with a storage module, a comparison module and a command module, the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the liquid crystal display television screen when the difference value is larger than the difference threshold value.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to an automatic detection line for a liquid crystal display television screen.
Background
The liquid crystal television screen uses liquid crystal material as a basic component, the liquid crystal material is filled between two parallel plates, and the arrangement condition of internal molecules of the liquid crystal material is changed through voltage, so that the aims of shading and transmitting light are fulfilled to display images with different depths and consistent errors. Nowadays, the screen is widely used as a mobile phone screen and a television screen. In the processing process, a process is carried out to detect the cut liquid crystal television screen. The existing detection processing mainly detects the surface of the liquid crystal television screen through a handheld detection device by staff, the problem existing in the processing mode is that the detection precision is not high, the detection result is greatly influenced by factors such as personal emotion and fatigue, and the consistency of the product is ensured to be unfavorable. Therefore, how to develop a new automatic detection line for a liquid crystal television screen to realize automatic detection of the liquid crystal television screen is a direction that needs to be researched by those skilled in the art.
Disclosure of Invention
The invention aims to provide an automatic detection line for a liquid crystal television screen, which can realize automatic detection of the liquid crystal television screen on a main conveyor belt, overcomes the problems of high cost, low efficiency and high error rate of manual detection and is used for solving the defects caused by the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: an automatic detection line for a liquid crystal display television screen, wherein: the detection box is arranged on one side of the main conveying belt and used for conveying a liquid crystal television screen, the high-speed camera is arranged inside the detection box, a brightness compensation device is connected inside the detection box, the PC terminal and the manipulator are respectively connected to the detection box, the PC terminal is respectively connected with the high-speed camera, the manipulator and the brightness compensation device through electric wires, and the high-speed camera is used for shooting the liquid crystal television screen clamped into the detection box by the manipulator from the main conveying belt and outputting an image file generated by shooting to the PC terminal;
the PC terminal is provided with a storage module, a comparison module and a command module, wherein the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to an operation result, and the command module marks the LCD TV screen when the difference value is larger than the difference threshold value.
The automatic detection line for the liquid crystal display television screen is characterized in that the manipulator is arranged between the main conveyor belt and the detection box, and the PC terminal is arranged on one side of the detection box, which is deviated from the main conveyor belt.
The automatic detection line for the liquid crystal display television screen comprises a brightness detector, a lamp holder controller and an illuminating lamp which are sequentially connected through wires; the illuminating lamp is arranged on the lens side of the high-speed camera and used for outputting compensation illumination; the brightness detector is arranged on the side of the lens of the high-speed camera and used for detecting the ambient brightness at the lens of the high-speed camera, generating a brightness detection signal and outputting the brightness detection signal to the lamp holder controller; the lamp head controller controls the illuminating lamp and adjusts the output brightness of the illuminating lamp according to the brightness detection signal output by the brightness detector.
The automatic detection line for the liquid crystal display television screen is characterized in that a vacuum negative pressure sucker is connected to the manipulator.
The technical effects provided by the automatic detection line for the liquid crystal display television screen according to the invention are as follows: the automatic detection of the liquid crystal television screen on the main conveyor belt is realized, and the problems of high cost, low efficiency and high error rate of manual detection are solved.
Drawings
Fig. 1 is a schematic structural diagram of an automatic detection line for a liquid crystal display television screen according to the present invention.
Wherein the reference numbers are as follows: a main conveyor 101, a high-speed camera 102, a PC terminal 103, a brightness compensation device 104, a robot arm 105, a brightness detector 106, a lamp head controller 107, and an illumination lamp 108.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
The first embodiment of the invention provides an automatic detection line for a liquid crystal television screen, which aims to realize automatic detection of the liquid crystal television screen on a main conveyor belt and overcome the problems of high cost, low efficiency and high error rate of manual detection.
As shown in fig. 1, an automatic detection line for lcd tv panels, wherein: the detection box is arranged on one side of the main conveyor belt 101, the main conveyor belt 101 is used for conveying a liquid crystal television screen, the high-speed camera 102 is arranged inside the detection box, a brightness compensation device 104 is connected inside the detection box, the PC terminal 103 and the manipulator 105 are respectively connected to the detection box, the PC terminal 103 is respectively connected with the high-speed camera 102, the manipulator 105 and the brightness compensation device 104 through wires, and the high-speed camera 102 is used for shooting the liquid crystal television screen clamped into the detection box by the manipulator 105 from the main conveyor belt 101 and outputting an image file generated by shooting to the PC terminal 103;
the PC terminal 103 is provided with a storage module, a comparison module and a command module, wherein the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera 102 with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the LCD TV screen when the difference value is larger than the difference threshold value.
According to the automatic detection line for the liquid crystal display television screen, the manipulator 105 is arranged between the main conveyor belt 101 and the detection box, and the PC terminal 103 is arranged on one side of the detection box deviating from the main conveyor belt 101.
In the automatic detection line for the lcd tv screen provided by this embodiment, the adopted brightness compensation device 104 includes a brightness detector 106, a lamp head controller 107 and an illumination lamp 108 which are connected in sequence by electric wires; an illumination lamp 108 is installed on the lens side of the high-speed camera 102 for outputting compensation illumination; the brightness detector 106 is mounted on the lens side of the high-speed camera 102, and is configured to detect ambient brightness at the lens of the high-speed camera 102, generate a brightness detection signal, and output the brightness detection signal to the lamp controller 107; the head controller 107 controls the illumination lamp 108 based on the luminance detection signal output from the luminance detector 106, and adjusts the output luminance of the illumination lamp 108.
According to the automatic detection line for the liquid crystal display television screen, the manipulator 105 is connected with a vacuum negative pressure sucker.
The automatic detection line bureau for the liquid crystal display television screen provided by the embodiment is used as follows: the LCD TV screen is conveyed on a main conveyor belt 101, a manipulator 105 grabs the LCD TV screen placed on the main conveyor belt 101 and places the LCD TV screen inside a detection box, a high-speed camera 102 takes pictures and samples the LCD TV screen and outputs the shot image file to a PC terminal 103, the PC terminal 103 compares the image file of the LCD TV screen with a stored standard image file and calculates a difference value, when the difference value generated by comparison calculation is smaller than or equal to a difference threshold value, the defect of the LCD TV screen is defaulted, the manipulator 105 grabs and returns the LCD TV screen to the main conveyor belt 101, and when the difference value generated by comparison calculation is larger than the difference threshold value, the defect of the LCD TV screen and the quality of the LCD TV screen are defaulted, a command module marks the defect, and then the manipulator 105 grabs and returns the LCD TV screen to the main conveyor belt 101, and processing the marked LCD TV screen in the subsequent operation room.
In conclusion, the automatic detection line for the liquid crystal display television screen can automatically detect the liquid crystal display television screen on the main conveyor belt, and solves the problems of high cost, low efficiency and high error rate of manual detection.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (4)
1. The utility model provides a liquid crystal TV screen automatic detection line which characterized in that: the detection box is arranged on one side of the main conveying belt and used for conveying a liquid crystal television screen, the high-speed camera is arranged inside the detection box, a brightness compensation device is connected inside the detection box, the PC terminal and the manipulator are respectively connected to the detection box, the PC terminal is respectively connected with the high-speed camera, the manipulator and the brightness compensation device through electric wires, and the high-speed camera is used for shooting the liquid crystal television screen clamped into the detection box by the manipulator from the main conveying belt and outputting an image file generated by shooting to the PC terminal;
the PC terminal is provided with a storage module, a comparison module and a command module, wherein the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to an operation result, and the command module marks the LCD TV screen when the difference value is larger than the difference threshold value.
2. The automatic detection line for the LCD TV screen according to claim 1, wherein the manipulator is disposed between the main conveyor belt and the detection box, and the PC terminal is disposed on a side of the detection box facing away from the main conveyor belt.
3. The automatic detection line for the LCD TV screen according to claim 2, wherein the brightness compensation device comprises a brightness detector, a lamp head controller and an illuminating lamp which are connected in sequence through electric wires; the illuminating lamp is arranged on the lens side of the high-speed camera and used for outputting compensation illumination; the brightness detector is arranged on the side of the lens of the high-speed camera and used for detecting the ambient brightness at the lens of the high-speed camera, generating a brightness detection signal and outputting the brightness detection signal to the lamp holder controller; the lamp head controller controls the illuminating lamp and adjusts the output brightness of the illuminating lamp according to the brightness detection signal output by the brightness detector.
4. The automatic detection line for LCD TV screens as claimed in claim 3, wherein a vacuum negative pressure suction cup is connected to said robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774439.8A CN110721925A (en) | 2018-07-16 | 2018-07-16 | Automatic detection line for liquid crystal display television screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774439.8A CN110721925A (en) | 2018-07-16 | 2018-07-16 | Automatic detection line for liquid crystal display television screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110721925A true CN110721925A (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810774439.8A Pending CN110721925A (en) | 2018-07-16 | 2018-07-16 | Automatic detection line for liquid crystal display television screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN110721925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697973A (en) * | 2020-12-14 | 2021-04-23 | 惠科股份有限公司 | Detection method and detection system for glass substrate |
Citations (8)
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|---|---|---|---|---|
| JPH04298273A (en) * | 1991-03-25 | 1992-10-22 | Satake Eng Co Ltd | Color screening machine for square cut vegetable |
| US20100278417A1 (en) * | 2009-04-30 | 2010-11-04 | Yea-Yih Yang | Automated testing device for fastener |
| CN104536171A (en) * | 2015-01-13 | 2015-04-22 | 京东方科技集团股份有限公司 | Liquid crystal display screen detection device |
| CN104964984A (en) * | 2015-05-23 | 2015-10-07 | 绍兴海邦药业有限公司 | Capsule detection apparatus |
| CN206083148U (en) * | 2016-06-16 | 2017-04-12 | 昆山金箭机械设备有限公司 | LCD display check out test set |
| CN107020249A (en) * | 2017-04-19 | 2017-08-08 | 苏州日和科技有限公司 | Liquid crystal panel AOI equipment with automatic identification function |
| CN107389307A (en) * | 2016-12-31 | 2017-11-24 | 深圳眼千里科技有限公司 | Screen automatic detecting machine |
| CN107976446A (en) * | 2017-11-13 | 2018-05-01 | 上海斐讯数据通信技术有限公司 | A kind of LED charactrons display screen detection method and system based on machine vision |
-
2018
- 2018-07-16 CN CN201810774439.8A patent/CN110721925A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04298273A (en) * | 1991-03-25 | 1992-10-22 | Satake Eng Co Ltd | Color screening machine for square cut vegetable |
| US20100278417A1 (en) * | 2009-04-30 | 2010-11-04 | Yea-Yih Yang | Automated testing device for fastener |
| CN104536171A (en) * | 2015-01-13 | 2015-04-22 | 京东方科技集团股份有限公司 | Liquid crystal display screen detection device |
| CN104964984A (en) * | 2015-05-23 | 2015-10-07 | 绍兴海邦药业有限公司 | Capsule detection apparatus |
| CN206083148U (en) * | 2016-06-16 | 2017-04-12 | 昆山金箭机械设备有限公司 | LCD display check out test set |
| CN107389307A (en) * | 2016-12-31 | 2017-11-24 | 深圳眼千里科技有限公司 | Screen automatic detecting machine |
| CN107020249A (en) * | 2017-04-19 | 2017-08-08 | 苏州日和科技有限公司 | Liquid crystal panel AOI equipment with automatic identification function |
| CN107976446A (en) * | 2017-11-13 | 2018-05-01 | 上海斐讯数据通信技术有限公司 | A kind of LED charactrons display screen detection method and system based on machine vision |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697973A (en) * | 2020-12-14 | 2021-04-23 | 惠科股份有限公司 | Detection method and detection system for glass substrate |
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Application publication date: 20200124 |