CN102393577A - Image collection device for visual detection of liquid crystal display - Google Patents
Image collection device for visual detection of liquid crystal display Download PDFInfo
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- CN102393577A CN102393577A CN2011103272517A CN201110327251A CN102393577A CN 102393577 A CN102393577 A CN 102393577A CN 2011103272517 A CN2011103272517 A CN 2011103272517A CN 201110327251 A CN201110327251 A CN 201110327251A CN 102393577 A CN102393577 A CN 102393577A
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Abstract
The invention discloses an image collection device for visual detection of a liquid crystal display. The device comprises a shell, a bearing plate, a vertical moving mechanism, a transverse moving mechanism, a longitudinal moving mechanism and a camera, wherein the bearing plate is vertically arranged in the shell; two ends of the bearing plate are fixedly arranged on two lateral walls of the shell; the vertical moving mechanism is arranged on the bearing plate, and comprises a vertical shaft support plate, a vertical shaft motor and a vertical shaft screw rod; the transverse moving mechanism is arranged on the vertical shaft support plate and comprises a transverse shaft support plate, a transverse shaft motor and a transverse shaft screw rod; the longitudinal moving mechanism is arranged on the transverse shaft support plate, and comprises a longitudinal shaft support plate, a longitudinal shaft motor and a longitudinal shaft screw rod; the camera is arranged on the longitudinal shaft support plate; and the vertical shaft motor, the transverse shaft motor, the longitudinal shaft motor and the camera are electrically connected with a control system of the image collection device respectively. The image collection device has a compact structure and stable work, and can quickly and accurately collect images, so that efficiency and quality of detection are effectively improved.
Description
Technical field
The present invention relates to the detecting instrument field of LCD, particularly a kind of image collecting device that is used for the LCD vision-based detection.
Background technology
A large amount of productions, widespread use along with LCD product; Constantly popularizing of LCD product, people are also increasingly high to the requirement of various LCD product qualities, as characterisitic parameters such as the brightness of LCD, contrast, visual angle, color consistency have been proposed corresponding requirement; At present; The image quality of LCD mainly is that manual work with the naked eye detects, and the method efficient of this detection is low, the needs of incompatibility large-scale production; And labour intensity is big, cost of labor is high, and can't guarantee the accuracy that detects.
General image capturing system; All be through with camera fixing, the mode of mobile product realizes a plurality of images of positions collections, to guarantee the stability and the reliability of system; But the shortcoming of this method is the size of required worktable is the twice of product size; Cause equipment size huge, floor area is bigger, and cost increases.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of image collecting device that is used for the LCD vision-based detection is provided, is a kind of compact conformation, working stability, quick and precisely the device of images acquired.
Technical scheme of the present invention is:
A kind of image collecting device that is used for the LCD vision-based detection; It is characterized in that: said image collecting device comprises shell, loading plate, vertical travel mechanism, transverse moving mechanism, longitudinal moving mechanism and camera; Loading plate vertically is provided with in the enclosure; The two ends of loading plate are fixedly mounted on the two side of shell, and vertical travel mechanism is installed on the loading plate, and vertical travel mechanism comprises the vertical pivot support plate and drives the vertical pivot motor that the vertical pivot support plate moves up and down through the vertical pivot screw mandrel; Transverse moving mechanism is installed on the vertical pivot support plate; Transverse moving mechanism comprises the transverse axis support plate and drives the transverse axis motor of transverse axis support plate side-to-side movement through the transverse axis screw mandrel, and longitudinal moving mechanism is installed on the transverse axis support plate, and longitudinal moving mechanism comprises longitudinal axis support plate and drives the longitudinal axis motor that longitudinal axis support plate seesaws through longitudinal axis screw mandrel; Camera is installed on the longitudinal axis support plate, and wherein vertical pivot motor, transverse axis motor, longitudinal axis motor and camera all are electrically connected with the control system of image collecting device.
Said shell comprises front side board, back side panel, top board, base plate; And two truncated rectangular pyramids frameworks that are symmetricly set on the left and right sides; The truncated rectangular pyramids framework comprises front panel, top panel, rear panel and the lower panel that connects successively; Wherein front and back panels is the right-angled trapezium shape, and upper and lower panel is a rectangular shape.
The two ends of said loading plate are provided with the mounting hole that two scalable are installed the loading plate height and position respectively at least; On said loading plate, be provided with two vertical axis of guides; Said vertical pivot support plate is connected with the axis of guide through sliding bearing; On the vertical pivot support plate, also be provided with two parallel vertical supporting bars, an end of two vertical supporting bars is installed on the vertical pivot support plate, and the other end of two vertical supporting bars is connected through a horizontal slide rail; One end of said longitudinal moving mechanism is installed on the transverse axis support plate, and the other end of longitudinal moving mechanism is slidingly connected through rolling steel ball and horizontal slide rail.
On said loading plate, be provided with a counterweight adjusting part; The counterweight adjusting part comprises Weight plate, two groups of fixed pulley groups and two wire rope; Two groups of fixed pulley groups are located at the upper end of loading plate at interval; One end of two wire rope is connected with said vertical pivot support plate, and the other end of two wire rope is connected with Weight plate after walking around two groups of fixed pulley groups respectively.
On the front side board of said shell, be provided with a protective door.
The invention has the beneficial effects as follows:
The shell that the present invention adopts forwardly with about can open, both can carry out picking and placeing of part to be tested in the anterior operation of equipment, can equipment be installed on the automatic production line again, pipeline can pass equipment in the slave unit left and right side; The present invention can be according to the needs of IMAQ; Move up and down through regulating vertical travel mechanism; Make the camera focusing and change operating distance,, let camera gather the image of LCD diverse location through regulating the position of transverse moving mechanism and longitudinal moving mechanism to adapt to the product of different size; The truncated rectangular pyramids Frame Design of shell, longitudinal moving mechanism is fixed on the transverse axis support plate with cantilevered fashion, and the cantilever end of longitudinal moving mechanism is slidingly connected through rolling steel ball and horizontal slide rail; The vertical pivot support plate is through sliding bearing and designs such as the axis of guide is connected; Increased the stability of entire mechanism, prevented, and made the motion of each travel mechanism smooth because the weight of camera causes the cantilever end of longitudinal moving mechanism sagging; The assurance camera is accurately located, and can collect accurate image fast; The setting of counterweight adjusting part; The weight of Weight plate is consistent with the general assembly (TW) of vertical travel mechanism, transverse moving mechanism, longitudinal moving mechanism and camera; Utilize wire rope to reach balance through pulley blocks, required power when alleviating the vertical pivot machine operation, thus reduce the power of vertical pivot motor; The setting of shell and protective door can prevent that extraneous light from getting into, and forms the darkroom and is used for the image that camera is gathered LCD; Because the cost of screw mandrel is high, be provided with the mounting hole that scalable is installed the loading plate height and position at the two ends of loading plate, can be when detecting the product of different size; Need not increase the length of screw mandrel; But, reach required stroke through regulating the setting height(from bottom) of loading plate, reduce manufacturing cost.
To sum up, compact conformation of the present invention, working stability, quick and precisely images acquired has effectively improved the efficient and the quality that detect, and has greatly reduced manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of the present invention's (removing the housing parts panel);
Fig. 2 is the structural representation of the present invention's (removal shell);
Fig. 3 is the structural representation of shell of the present invention;
Fig. 4 is the structural representation of truncated rectangular pyramids framework of the present invention.
Embodiment
Like Fig. 1, shown in Figure 2; A kind of image collecting device that is used for the LCD vision-based detection; Comprise shell 1, loading plate 2, vertical travel mechanism, transverse moving mechanism, longitudinal moving mechanism and camera 3, loading plate 2 vertically is arranged in the shell 1, and the two ends of loading plate 2 are fixedly mounted on the two side of shell 1; Vertical travel mechanism is installed on the loading plate 2; Vertical travel mechanism comprises vertical pivot support plate 4 and the vertical pivot motor 6 that moves up and down through vertical pivot screw mandrel 5 driving vertical pivot support plates 4, and transverse moving mechanism is installed on the vertical pivot support plate 4, and transverse moving mechanism comprises transverse axis support plate 7 and passes through the transverse axis motor 8 that the transverse axis screw mandrel drives 7 side-to-side movements of transverse axis support plate; Longitudinal moving mechanism is installed on the transverse axis support plate 7; Longitudinal moving mechanism comprises longitudinal axis support plate 9 and the longitudinal axis motor 10 that seesaws through longitudinal axis screw mandrel driving longitudinal axis support plate 9, and camera 3 is installed on the longitudinal axis support plate 9, and wherein vertical pivot motor 6, transverse axis motor 8, longitudinal axis motor 10 and camera 3 all are electrically connected with the control system of image collecting device.
On loading plate 2, be provided with two vertical axis of guides 11; Vertical pivot support plate 4 is connected with the axis of guide 11 through sliding bearing 12; End also being provided with 13, two vertical supporting bars 13 of two parallel vertical supporting bars on the vertical pivot support plate 4 is installed on the vertical pivot support plate 4, and the other end of two vertical supporting bars 13 is connected through a horizontal slide rail 14; One end of longitudinal moving mechanism is installed on the transverse axis support plate 7, and the other end of longitudinal moving mechanism is slidingly connected through rolling steel ball 15 and horizontal slide rail 14.
On loading plate 2, be provided with a counterweight adjusting part; The counterweight adjusting part comprises Weight plate 16, two groups of fixed pulley groups 17 and two wire rope 18; Two groups of fixed pulley groups 17 are located at the upper end of loading plate 2 at interval; One end of two wire rope 18 is connected with vertical pivot support plate 4, and the other end of two wire rope 18 is walked around two groups of fixed pulley groups, 17 backs respectively and is connected with Weight plate 16.
Like Fig. 3, shown in Figure 4; Shell 1 comprises front side board 101, back side panel 102, top board 103, base plate 104; And two truncated rectangular pyramids frameworks that are symmetricly set on the left and right sides; The truncated rectangular pyramids framework comprises front panel 105, top panel 106, rear panel 107 and the lower panel 108 that connects successively, and wherein front panel 105, rear panel 107 are the right-angled trapezium shape, and top panel 106, lower panel 107 are rectangular shape; On the front side board 101 of shell 1, be provided with a protective door 19.
When carrying out IMAQ, at first open protective door 19, LCD 20 to be measured be put on the base plate worktable of shell 1 with the present invention, shut protective door 19 again after, according to the position of setting adjustment camera 3, thus the various bearing images of collections needs.
Claims (5)
1. image collecting device that is used for the LCD vision-based detection; It is characterized in that: said image collecting device comprises shell, loading plate, vertical travel mechanism, transverse moving mechanism, longitudinal moving mechanism and camera; Loading plate vertically is provided with in the enclosure; The two ends of loading plate are fixedly mounted on the two side of shell, and vertical travel mechanism is installed on the loading plate, and vertical travel mechanism comprises the vertical pivot support plate and drives the vertical pivot motor that the vertical pivot support plate moves up and down through the vertical pivot screw mandrel; Transverse moving mechanism is installed on the vertical pivot support plate; Transverse moving mechanism comprises the transverse axis support plate and drives the transverse axis motor of transverse axis support plate side-to-side movement through the transverse axis screw mandrel, and longitudinal moving mechanism is installed on the transverse axis support plate, and longitudinal moving mechanism comprises longitudinal axis support plate and drives the longitudinal axis motor that longitudinal axis support plate seesaws through longitudinal axis screw mandrel; Camera is installed on the longitudinal axis support plate, and wherein vertical pivot motor, transverse axis motor, longitudinal axis motor and camera all are electrically connected with the control system of image collecting device.
2. image collecting device according to claim 1; It is characterized in that: said shell comprises front side board, back side panel, top board, base plate; And two truncated rectangular pyramids frameworks that are symmetricly set on the left and right sides; The truncated rectangular pyramids framework comprises front panel, top panel, rear panel and the lower panel that connects successively, and wherein front and back panels is the right-angled trapezium shape, and upper and lower panel is a rectangular shape.
3. image collecting device according to claim 1; It is characterized in that: the two ends of said loading plate are provided with the mounting hole that two scalable are installed the loading plate height and position respectively at least; On said loading plate, be provided with two vertical axis of guides, said vertical pivot support plate is connected with the axis of guide through sliding bearing, on the vertical pivot support plate, also is provided with two parallel vertical supporting bars; One end of two vertical supporting bars is installed on the vertical pivot support plate; The other end of two vertical supporting bars is connected through a horizontal slide rail, and an end of said longitudinal moving mechanism is installed on the transverse axis support plate, and the other end of longitudinal moving mechanism is slidingly connected through rolling steel ball and horizontal slide rail.
4. according to described any image collecting device of claim 1 to 3; It is characterized in that: on said loading plate, be provided with a counterweight adjusting part; The counterweight adjusting part comprises Weight plate, two groups of fixed pulley groups and two wire rope; Two groups of fixed pulley groups are located at the upper end of loading plate at interval, and an end of two wire rope is connected with said vertical pivot support plate, and the other end of two wire rope is connected with Weight plate after walking around two groups of fixed pulley groups respectively.
5. image collecting device according to claim 1 and 2 is characterized in that: on the front side board of said shell, be provided with a protective door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327251.7A CN102393577B (en) | 2011-10-25 | 2011-10-25 | Image collection device for visual detection of liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110327251.7A CN102393577B (en) | 2011-10-25 | 2011-10-25 | Image collection device for visual detection of liquid crystal display device |
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| CN102393577A true CN102393577A (en) | 2012-03-28 |
| CN102393577B CN102393577B (en) | 2015-02-25 |
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| CN105372252A (en) * | 2014-08-25 | 2016-03-02 | 研祥智能科技股份有限公司 | Detecting system and method based on machine vision |
| CN105466937A (en) * | 2014-08-25 | 2016-04-06 | 研祥智能科技股份有限公司 | Imaging detection component adapting to multi-sized display units, detection system and control method |
| CN106646948A (en) * | 2016-12-23 | 2017-05-10 | 武汉精立电子技术有限公司 | Detection control method for moving image detection device of display module |
| CN108931184A (en) * | 2017-03-29 | 2018-12-04 | Ckd株式会社 | Check device and winding device |
| CN109143633A (en) * | 2018-10-16 | 2019-01-04 | 武汉精毅通电子技术有限公司 | A kind of totally enclosed type liquid crystal display detection device |
| CN110187532A (en) * | 2019-05-30 | 2019-08-30 | 深圳市华星光电技术有限公司 | A kind of detection device of pixel dark-state light leakage |
| CN113022959A (en) * | 2021-02-25 | 2021-06-25 | 武汉轻工大学 | Orientation device and cigarette packaging production line |
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| CN110187532A (en) * | 2019-05-30 | 2019-08-30 | 深圳市华星光电技术有限公司 | A kind of detection device of pixel dark-state light leakage |
| CN113022959A (en) * | 2021-02-25 | 2021-06-25 | 武汉轻工大学 | Orientation device and cigarette packaging production line |
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| CN102393577B (en) | 2015-02-25 |
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Address after: 523000, 05-08, room 1, B, Goldman Sachs Science Park (North Zone), 84 Zhongli Road, Nancheng Road, Nancheng, Guangdong, Dongguan Patentee after: Dongguan Tongon Technology Co.,Ltd. Address before: 523080, Guangdong City, Dongguan Province South District Station Road excellent faith building on the third floor Patentee before: Dongguan Tongon Technology Co.,Ltd. |
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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, 05-08, room 1, B, Goldman Sachs Science Park (North Zone), 84 Zhongli Road, Nancheng Road, Nancheng, Guangdong, Dongguan Patentee before: DONGGUAN TONGON TECHNOLOGY Co.,Ltd. |
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Denomination of invention: An image acquisition device for LCD visual inspection Effective date of registration: 20230302 Granted publication date: 20150225 Pledgee: Ping An Bank Co.,Ltd. Dongguan Branch Pledgor: DONGGUAN TONGON TECHNOLOGY Co.,Ltd. Registration number: Y2023980033826 |