CN104165607A - Intelligent detector for splicing precision of LED display screen - Google Patents
Intelligent detector for splicing precision of LED display screen Download PDFInfo
- Publication number
- CN104165607A CN104165607A CN201410440083.6A CN201410440083A CN104165607A CN 104165607 A CN104165607 A CN 104165607A CN 201410440083 A CN201410440083 A CN 201410440083A CN 104165607 A CN104165607 A CN 104165607A
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- hub
- led display
- display screen
- displacement sensor
- Prior art date
- 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.)
- Pending
Links
Abstract
The invention discloses an intelligent detector for the splicing precision of an LED display screen and belongs to an LED display screen detection device. The intelligent detector comprises a controller. A camera (7) of a stereoscopic microscope (8) is electrically connected with a hub (6). The hub is electrically connected with the controller (10) through a data exchange wire (9). The hub (6) is electrically connected with a stepping motor (13) sequentially through a first RS232 module (5) and a stepping motor driver (4). The stepping motor drives a laser displacement sensor (11) to move through a lead screw sliding table (12). The laser displacement sensor is electrically connected with a data acquisition card (2) through a signal transformer (1). The data acquisition card is electrically connected with the hub (6) through a second RS232 module (3). The intelligent detector is accurate and reliable in detection data, high in efficiency and easy and convenient to operate, and is a device used for detecting the splicing precision of the large LED display screen.
Description
Technical field
The present invention relates to a kind of LED display pick-up unit, relate in particular to a kind of device of automatic detection large LED display screen splicing accuracy.
Background technology
As everyone knows, large LED display screen is formed by some LED display board composite assemblies conventionally.In order to guarantee display quality, must strictly control the flatness of whole LED display, the pixel center of each LED display board apart from the level of deviation, each LED display board assembly precisions such as deviation and vertically opposite dislocation deviation that relatively misplace.At present, above-mentioned mounting technology parameter mainly adopts manual mode to complete by testing staff by testing tool, not only detection difficulty is large, efficiency is low, and accuracy of detection is easily subject to the impact of the human factors such as testing staff's technical merit, skill level, the less stable of product quality.
Summary of the invention
In order to overcome the defect existing in prior art, the present invention aim to provide a kind of detect data accurately and reliably, LED display splicing accuracy intelligent detecting instrument that efficiency is high.
To achieve these goals, the present invention by the following technical solutions: it comprises the controller that is connected with signalling alarm equipment; The camera of stereomicroscope is electrically connected to hub, and this hub is electrically connected to controller by exchanges data line; Hub is electrically connected to stepper motor by a RS232 module, stepper motor driver successively, this stepper motor drives laser displacement sensor to move by leading screw slide unit, this laser displacement sensor is electrically connected to data collecting card by signal transmitting device, and this data collecting card is electrically connected to hub by the 2nd RS232 module.
Compared with the prior art, the present invention is owing to having adopted technique scheme, utilize stepper motor drive to be arranged on the leading screw slide unit motion on linear guides, therefore not only can realize autoscan measurement flatness by the laser displacement sensor being arranged on leading screw slide unit; But also the camera that can utilize stereomicroscope coordinates image recognition software automatically to realize the pixel center measurement of technical parameter such as deviation, vertically opposite dislocation deviation that relatively misplace apart from deviation, level.The present invention have detect data accurately and reliably, the advantage such as efficiency is high, simple to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: signal transmitting device 1, data collecting card 2, the 2nd RS232 module 3, stepper motor driver 4, a RS232 module 5, hub 6, camera 7, stereomicroscope 8, exchanges data line 9, controller 10, laser displacement sensor 11, leading screw slide unit 12, stepper motor 13.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
As shown in Figure 1: the camera 7 of stereomicroscope 8 is electrically connected to hub 6, this hub is electrically connected to controller 10 by exchanges data line 9; Hub 6 is electrically connected to stepper motor 13 by a RS232 module 5, stepper motor driver 4 successively, this stepper motor drives laser displacement sensor 11 motions by leading screw slide unit 12, this laser displacement sensor is electrically connected to data collecting card 2 by signal transmitting device 1, and this data collecting card is electrically connected to hub 6 by the 2nd RS232 module 3.Controller 10 is electrically connected to signalling alarm equipment, and this signalling alarm equipment can be hummer, display or signal lamp etc.
In the above-described embodiments, the model of controller 10Wei Intel four core main frames, laser displacement sensor 11 employing LK-031 laser probes, signal transmitting device 1 is that LK-2001, data collecting card 2 adopt 16 AD USB capture cards, stereomicroscope 8 to adopt the continuously adjustable stereomicroscope of 180X, camera 7 to adopt 500W pixel free drive USB cameras, exchanges data line 9 to adopt miniUSB to turn OTG line.
Claims (1)
1. a LED display splicing accuracy intelligent detecting instrument, comprises the controller that is connected with signalling alarm equipment; It is characterized in that: the camera (7) of stereomicroscope (8) is electrically connected to hub (6), this hub is electrically connected to controller (10) by exchanges data line (9); Hub (6) is electrically connected to stepper motor (13) by a RS232 module (5), stepper motor driver (4) successively, this stepper motor drives laser displacement sensor (11) motion by leading screw slide unit (12), this laser displacement sensor is electrically connected to data collecting card (2) by signal transmitting device (1), and this data collecting card is electrically connected to hub (6) by the 2nd RS232 module (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440083.6A CN104165607A (en) | 2014-09-01 | 2014-09-01 | Intelligent detector for splicing precision of LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440083.6A CN104165607A (en) | 2014-09-01 | 2014-09-01 | Intelligent detector for splicing precision of LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104165607A true CN104165607A (en) | 2014-11-26 |
Family
ID=51909533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410440083.6A Pending CN104165607A (en) | 2014-09-01 | 2014-09-01 | Intelligent detector for splicing precision of LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104165607A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300996A (en) * | 2015-11-20 | 2016-02-03 | 昆明信诺莱伯科技有限公司 | Linear trace laser detection system for police |
| CN112285474A (en) * | 2020-11-10 | 2021-01-29 | 武汉恒安泰科技有限公司 | Be used for LED display screen trouble maintenance check out test set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030103162A1 (en) * | 2001-12-05 | 2003-06-05 | Olympus Optical Co. Ltd. | Image display system |
| CN201570231U (en) * | 2009-12-25 | 2010-09-01 | 四川虹视显示技术有限公司 | Detection device of electro luminescence display screen |
| CN201697882U (en) * | 2010-06-03 | 2011-01-05 | 成都精密光学工程研究中心 | Device for detecting subsurface defects of optical elements |
| CN102607440A (en) * | 2012-02-29 | 2012-07-25 | 广东威创视讯科技股份有限公司 | Detection device for splicing gap of display screen and application method thereof |
| CN103531139A (en) * | 2013-10-18 | 2014-01-22 | 台龙电子（昆山）有限公司 | CCD (Charge Coupled Device) amplifier detector for LED (Light Emitting Diode) display screen |
| CN204027532U (en) * | 2014-09-01 | 2014-12-17 | 贵州省机械电子产品质量监督检验院 | LED display splicing accuracy intelligent detecting instrument |
-
2014
- 2014-09-01 CN CN201410440083.6A patent/CN104165607A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030103162A1 (en) * | 2001-12-05 | 2003-06-05 | Olympus Optical Co. Ltd. | Image display system |
| CN201570231U (en) * | 2009-12-25 | 2010-09-01 | 四川虹视显示技术有限公司 | Detection device of electro luminescence display screen |
| CN201697882U (en) * | 2010-06-03 | 2011-01-05 | 成都精密光学工程研究中心 | Device for detecting subsurface defects of optical elements |
| CN102607440A (en) * | 2012-02-29 | 2012-07-25 | 广东威创视讯科技股份有限公司 | Detection device for splicing gap of display screen and application method thereof |
| CN103531139A (en) * | 2013-10-18 | 2014-01-22 | 台龙电子（昆山）有限公司 | CCD (Charge Coupled Device) amplifier detector for LED (Light Emitting Diode) display screen |
| CN204027532U (en) * | 2014-09-01 | 2014-12-17 | 贵州省机械电子产品质量监督检验院 | LED display splicing accuracy intelligent detecting instrument |
Non-Patent Citations (1)
| Title |
|---|
| 邓意成等: "LED模组畸变度的质心拟合定位检测", 《现代显示》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300996A (en) * | 2015-11-20 | 2016-02-03 | 昆明信诺莱伯科技有限公司 | Linear trace laser detection system for police |
| CN112285474A (en) * | 2020-11-10 | 2021-01-29 | 武汉恒安泰科技有限公司 | Be used for LED display screen trouble maintenance check out test set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201569558U (en) | Automated focal length detector | |
| CN201876244U (en) | Intelligent inner hole measurer for wire production dies | |
| CN101832760B (en) | Remote three-dimensional micro-deformation visual on-line monitoring method and system | |
| CN103308007B (en) | The IC pin coplanarity measuring system of higher order reflection and grating image and method | |
| CN202255299U (en) | Solder paste thickness testing device | |
| CN105203304B (en) | Magnifying power method surveys the optical bench of focal length | |
| CN204202558U (en) | A kind of inversion type picture size detects and measurement mechanism | |
| CN202947713U (en) | Apparatus for detecting foreign matter on substrate, and exposure machine | |
| CN103475827A (en) | Detecting system based on infrared thermal imaging technology and implementation method thereof | |
| CN105868756A (en) | Gas meter counter direct reading system and direct reading method by applying digital image recognition technology | |
| CN101403632A (en) | Dynamic multipath synchronization detection apparatus and method for metering device | |
| CN105044336A (en) | Multi-channel detecting instrument | |
| CN103679109A (en) | Bar code reading method and reading device | |
| CN106404357A (en) | Automatic test system and automatic test method for focal length of optical lens | |
| CN205067059U (en) | Optical bench of focus is surveyed to magnifying power method | |
| CN201653450U (en) | Digital display meter automatic calibration device based on machine vision | |
| CN102865822B (en) | The non-contact automatic detection device of the absolute code channel graduating accuracy of grating scale chi plate | |
| CN103115637B (en) | Gauge remote digital image acquisition device | |
| CN102937701A (en) | Camera shooting module motor tester | |
| CN102951183B (en) | Switch machine indication gap displacement monitoring device based on linear array image sensor | |
| CN104165607A (en) | Intelligent detector for splicing precision of LED display screen | |
| CN105629321A (en) | Integrated device achieving image collection, and automatic optical detection method for three planes | |
| CN103091827B (en) | High definition identifies that comparison microscopes and vestige identify comparison method automatically automatically | |
| CN202433316U (en) | Device for detecting surface defects of plastic sheets on line | |
| CN102506834B (en) | Laser receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141126 |
|
| RJ01 | Rejection of invention patent application after publication |