CN104931233A - Light guide plate detection apparatus - Google Patents
Light guide plate detection apparatus Download PDFInfo
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- CN104931233A CN104931233A CN201510383987.4A CN201510383987A CN104931233A CN 104931233 A CN104931233 A CN 104931233A CN 201510383987 A CN201510383987 A CN 201510383987A CN 104931233 A CN104931233 A CN 104931233A
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Abstract
The invention discloses a light guide plate detection apparatus, which includes a mounting fixing stand, a detection platform, a side light source apparatus, a camera support and a camera. The detection platform, the side light source apparatus and the camera support are connected with and fixed to the top surface of the mounting fixing stand. The camera support is connected with and fixes the camera. The detection platform includes a support, a table top, an LED light strip, an LED light shielding plate, a reflective mirror and the side light source apparatus. The apparatus is used for detecting the optical performance and the brightness uniformity of a light guide plate, and detecting whether the light guide plate has dirt, bright spots, other impurities, burrs, scratches and other appearance defects, so people can then determine whether the detected light guide plate can be put into use. The light guide plate detection apparatus is high in detection efficiency and high in automation, has a simple structure, and exhibits the stable and reliable performance. Moreover, dust on the light guide plate can be eliminated and prevented from affecting a light guide plate detection result.
Description
Technical field
The present invention relates to checkout equipment field, be specifically related to a kind of light guide plate pick-up unit.
Background technology
Backlight, is used to guarantee that LCDs sends the light supply apparatus of light behind.Because liquid crystal indicator itself is transparent and can not be luminous, so need backlight to assist.The correlated performance of some indexs on LCDs such as brightness, uniformity coefficient of backlight has direct impact.Light guide plate is the communication media of backlight light source, and its shape and material composition determine the briliancy of light-emitting face and the performance of the upper homogeneity of distribution.The function of light guide plate side light source is converted to area source and evenly luminous.The common utilization of current light guide plate has: the occasion of the class such as light efficiency utilization, illuminant sign plate of the backlight of LCDs, mobile phone display screen, ultra-thin advertising lamp box, therapeutic medical X-ray viewer, plate lamp ornaments lighting, light engineering.In light guide plate production and processing, due to factors such as technique, material, transports, make light guide plate have the defective probability of defect or flaw unavoidably, so before light guide plate comes into operation, whether need be qualified for detection to its properties.In prior art, usually manual detection is adopted to the Performance Detection of light guide plate, manual detection is time-consuming, effort, inefficiency, due to testing staff's subjective bias, test stone is difficult consistent, and easily produces error.
Summary of the invention
Task of the present invention is when overcoming light guide plate Performance Detection, time-consuming, effort, inefficiency easily produce the defects such as error, a kind of light guide plate pick-up unit is provided, for detect light guide plate optical property, brightness uniformity, whether have the impurity such as stain, bright spot, whether there is the open defect such as burr, scratch.
The technical solution used in the present invention is: a kind of light guide plate pick-up unit, comprise mounting-fixing base, detection platform, side light source device, camera support, camera, mounting-fixing base upper surface is connected and fixed detection platform, side light source device, camera support, camera support is connected and fixed camera, and detection platform comprises support, table top, LED lamp bar, LED shadow shield, reflective mirror.
Camera support, detection platform, side light source device is threaded connection and is fixed on mounting-fixing base upper surface, camera support comprises the column of the left and right sides, with the crossbeam at connection two column top, crossbeam connects litter one end, the litter other end connects Camera fixing seat slide block, described column, crossbeam, litter surface is all provided with the chute running through both sides along its length, camera is fixed on Camera fixing seat slide block, pass through column, crossbeam, chute on litter is arranged, camera can realize vertically, the position adjustments of horizontal direction, enhance camera position adjustability and the scope of application.
Detection platform comprises support, table top, LED lamp bar, LED shadow shield, reflective mirror, side light source device.Support is threaded mounting-fixing base, bottom surface of table top is connected and fixed two supports be oppositely arranged, tool base plate is provided with on table top, reflective mirror is provided with on tool base plate, light guide plate to be detected is positioned on reflective mirror, light guide plate one side and its same level height and position are provided with LED lamp bar, it is LED shadow shield on LED lamp bar, after LED lamp bar is lighted, this LED shadow shield presses down, the light level that LED lamp bar is sent is by light guide plate, and the light preventing LED lamp bar from sending drains to other position, affects camera and adopts figure.
Side light source device is arranged at detection platform both sides, side light source device comprises erection support, angle regulator, lamp socket, lamp bar, erection support is screwed on mounting-fixing base, connection angle regulating device one end, erection support top, the angle regulator other end is connected and fixed lamp socket, and lamp bar is placed in lamp socket; The end face that lamp socket is connected with angle regulator is provided with and arranges along its length and run through the chute at two ends, and erection support is vertically provided with strip hole slot; Described angle regulator, for adjusting the lamp socket angle of pitch, realizes by the adjustment lamp socket angle of pitch polishing angle regulating lamp bar in lamp socket.Angle regulator comprises holder, adjusting slider, holder one end face connection bearing, the relative other end of holder connects adjusting slider, holder upper end is provided with arc chute, adjusting slider lower end is connected with holder by bearing pin, adjusting slider can rotate around bearing pin and do relative motion to holder, adjusting slider upper end is provided with through hole, fastener bolt overlap with fastening nuts after can be used to pass through hole and arc chute, when need regulate lamp bar polishing angle, after unscrewing nut, to regulate after angle needed for lamp socket fastening nut again.
Cleaning Principle of the present invention is: by importing light beam to light guide plate end face, light beam injects light guide plate from end face, when light is mapped to each light guiding points of light guide plate inside, reflected light toward all angles diffusion, then can be penetrated by light guide plate front, makes light guide plate surface uniformly light-emitting, be vertically installed in the lighting conditions of the camera above light guide plate to light guide plate and adopt picture, and by computing machine, the image gathered is analyzed, detect light guide plate optical property, distinguish that whether light guide plate is qualified; Described side light source device arranges object: close after LED, opening side light source, can surface dirt in clear display product or frock, and camera adopts map analysis to it, can get rid of the impact of dust on inspection software when inspection software is analyzed product.
Relative to prior art, beneficial effect of the present invention is:
A kind of light guide plate pick-up unit of the present invention, its detection efficiency, robotization are high, and structure is simple, stable and reliable for performance, and can get rid of the impact because light guide plate existing dust on light guide plate testing result.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of light guide plate pick-up unit;
Fig. 2 is a kind of detection platform, side light source device enlarged diagram of light guide plate pick-up unit.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figure 1 and Figure 2, a kind of light guide plate pick-up unit, comprise mounting-fixing base 1, detection platform 2, side light source device 3, camera support 4, camera 5, mounting-fixing base 1 upper surface is connected and fixed detection platform 2, side light source device 3, camera support 4, camera support 4 is connected and fixed camera 5, detection platform 2 comprises support 21, table top 22, LED lamp bar 23, LED shadow shield 24, reflective mirror 25.
Camera support 4, detection platform 2, side light source device 3 is threaded connection and is fixed on mounting-fixing base 1 upper surface, camera support 4 comprises the column 41 of the left and right sides, with the crossbeam 42 at connection two column 41 top, crossbeam 42 connects litter 43 one end, litter 43 other end connects Camera fixing seat slide block 44, described column 41, crossbeam 42, litter 43 surface is all provided with the chute running through both sides along its length, camera 5 is fixed on Camera fixing seat slide block 44, by column 41, crossbeam 42, chute on litter 43 is arranged, camera 5 can realize vertically, the position adjustments of horizontal direction, enhance camera 5 position adjustability and the scope of application.
Detection platform 2 comprises support 21, table top 22, LED lamp bar 23, shadow shield 24, reflective mirror 25.Support 21 is threaded mounting-fixing base 1, table top 22 bottom surface is connected and fixed two supports be oppositely arranged 21, tool base plate 26 is provided with on table top 22, reflective mirror 25 is provided with on tool base plate 26, light guide plate 6 to be detected is positioned on reflective mirror 25, light guide plate 6 one side and its same level height and position are provided with LED lamp bar 23, it is LED shadow shield 24 on LED lamp bar 23, after LED lamp bar 23 is lighted, this LED shadow shield 24 presses down, the light level that LED lamp bar 23 is sent is by light guide plate 6, the light preventing LED lamp bar 23 from sending drains to other position, affect camera 5 and adopt figure.
Side light source device 3 is arranged at detection platform 2 both sides, side light source device 3 comprises erection support 31, angle regulator 33, lamp socket 32, lamp bar 34, erection support 31 is screwed on mounting-fixing base 1, connection angle regulating device 33 one end, erection support 31 top, angle regulator 33 other end is connected and fixed lamp socket 32, and lamp bar 34 is placed in lamp socket 32; The end face that lamp socket 32 is connected with angle regulator 33 is provided with and arranges along its length and run through the chute at two ends, and erection support 31 is vertically provided with strip hole slot; Described angle regulator 33, for adjusting lamp socket 32 angle of pitch, realizes by adjustment lamp socket 32 angle of pitch polishing angle regulating lamp bar 34 in lamp socket 32.Angle regulator 33 comprises holder 331, adjusting slider 332, holder 331 1 end face connection bearing 31, the holder 331 relatively other end connects adjusting slider 332, holder 331 upper end is provided with arc chute, adjusting slider 332 lower end is connected with holder 331 by bearing pin 333, adjusting slider 332 can rotate around bearing pin 333 and do relative motion to holder 331, adjusting slider 332 upper end is provided with through hole 334, fastener bolt overlap with fastening nuts after can be used to pass through hole 334 and arc chute, when need regulate lamp bar 34 polishing angle, fastening nut is again regulated after angle needed for lamp socket 32 after unscrewing nut.
Cleaning Principle of the present invention is: by importing light beam to light guide plate end face, light beam injects light guide plate from end face, when light is mapped to each light guiding points of light guide plate inside, reflected light can toward all angles diffusion, then penetrated by light guide plate front, make light guide plate surface uniformly light-emitting, be vertically installed in the lighting conditions of the camera above light guide plate to light guide plate and adopt picture, and by computing machine, the image gathered is analyzed, detect light guide plate optical property, brightness uniformity, whether light guide plate exists stain, bright spot, stain, burr, the defects such as scratch, distinguish that whether light guide plate is qualified, whether can come into operation, described side light source device arranges object: close after LED, opening side light source, can surface dirt in clear display product or frock, and camera adopts map analysis to it, can get rid of the impact of dust on inspection software when inspection software is analyzed product.
Preferred camera 5 connects computing machine by data line;
Preferred described camera 5 can be camera or replace with camera, and connects computing machine;
Be provided with reflectors shading plate 24 bottom preferred Camera fixing seat slide block 44, be refracted to camera 5 for the light preventing frock later by reflective mirror 25, figure and analysis result are adopted in impact.
Preferred described a kind of light guide plate pick-up unit is also connected with light guide plate auto-feeder and light guide plate discharge sorting equipment, light guide plate to be detected is automatically fed into detection platform 2 by light guide plate auto-feeder, and light guide plate discharge sorting equipment can distinguish discharge qualified light guide plate, defective light guide plate according to the testing result of light guide plate; Sorting equipment also can the defective content according to light guide plate testing result of more refinement, light guide plate is carried out differentiation discharge.
Relative to prior art, beneficial effect of the present invention is:
A kind of light guide plate pick-up unit of the present invention, its detection efficiency, robotization are high, and structure is simple, stable and reliable for performance, and can get rid of the impact because light guide plate existing dust on light guide plate testing result.
Claims (10)
1. a light guide plate pick-up unit, it is characterized in that: comprise mounting-fixing base (1), detection platform (2), side light source device (3), camera support (4), camera (5), mounting-fixing base (1) upper surface is connected and fixed camera support (4), detection platform (2), side light source device (3), camera support (4) is connected and fixed camera (5);
Detection platform (2) comprises support (21), table top (22), LED lamp bar (23), LED shadow shield (24), reflective mirror (25), support (21) is threaded mounting-fixing base (1), table top (22) bottom surface is connected and fixed two supports be oppositely arranged (21), table top (22) is also provided with tool base plate (26), reflective mirror (25) is provided with on tool base plate (26), light guide plate to be detected (6) is positioned on reflective mirror (25), light guide plate (6) one side and its same level height and position are provided with LED lamp bar (23), LED shadow shield (24) on LED lamp bar (23), after LED lamp bar (23) is lighted, this LED shadow shield (24) presses down,
Side light source device (3) is arranged at detection platform (2) both sides, connection holder (1) bottom it.
2. light guide plate pick-up unit as claimed in claim 1, it is characterized in that: described camera support (4), detection platform (2) is threaded connection and is fixed on mounting-fixing base (1) upper surface, camera support (4) comprises the column (41) of the left and right sides, with the crossbeam (42) at connection two column (41) top, crossbeam (42) connects litter (43) one end, litter (43) other end connects Camera fixing seat slide block (44), described column (41), crossbeam (42), litter (43) surface is all provided with chute along its length, camera (5) is fixed on Camera fixing seat slide block (44), by column (41), crossbeam (42), chute on litter (43) is arranged, camera (5) can realize vertically, the position adjustments of horizontal direction, enhance camera (5) position adjustability and the scope of application.
3. light guide plate pick-up unit as claimed in claim 1, it is characterized in that: described side light source device (3) is arranged at detection platform (2) both sides, side light source device (3) comprises erection support (31), lamp socket (32), angle regulator (33), lamp bar (34), erection support (31) is screwed on mounting-fixing base (1), connection angle regulating device (33) one end, erection support (31) top, angle regulator (33) other end is connected and fixed lamp socket (32), and lamp bar (34) is placed in lamp socket (32).
4. light guide plate pick-up unit as claimed in claim 3, it is characterized in that: described angle regulator (33) comprises holder (331), adjusting slider (332), holder (331) one end face connection bearing (31), holder (331) the relatively other end connects adjusting slider (332), holder (331) upper end is provided with arc chute, adjusting slider (332) lower end is connected with holder (331) by bearing pin (333), adjusting slider (332) can rotate around bearing pin (333) and do relative motion to holder (331), adjusting slider (332) upper end is provided with through hole (334), bolt overlap with fastening nuts after can be used to pass through hole (334) and arc chute, when need regulate lamp bar (34) polishing angle, fastening nut is again regulated after the required angle of lamp socket (32) after unscrewing nut.
5. light guide plate pick-up unit as claimed in claim 3, is characterized in that: the end face that described lamp socket (32) is connected with angle regulator (33) is provided with and arranges along its length and run through the chute at two ends.
6. light guide plate pick-up unit as claimed in claim 3, is characterized in that: described erection support (31) is vertically provided with strip hole slot.
7. light guide plate pick-up unit as claimed in claim 3, is characterized in that: described camera (5) connects computing machine by data line.
8. light guide plate pick-up unit as claimed in claim 7, is characterized in that: described camera (5) can be camera or replace with camera.
9. light guide plate pick-up unit as claimed in claim 3, is characterized in that: described preferred Camera fixing seat slide block (44) bottom is provided with reflectors shading plate (45).
10. light guide plate pick-up unit as claimed in claim 3, it is characterized in that: described light guide plate pick-up unit is also connected with light guide plate auto-feeder and light guide plate discharge sorting equipment, light guide plate to be detected is automatically fed into detection platform (2) by light guide plate auto-feeder, and light guide plate discharge sorting equipment can distinguish discharge qualified light guide plate, defective light guide plate according to the testing result of light guide plate; Sorting equipment also can the defective content according to light guide plate testing result of more refinement, light guide plate is carried out differentiation discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383987.4A CN104931233B (en) | 2015-07-03 | 2015-07-03 | A kind of leaded light board checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383987.4A CN104931233B (en) | 2015-07-03 | 2015-07-03 | A kind of leaded light board checking device |
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| CN104931233A true CN104931233A (en) | 2015-09-23 |
| CN104931233B CN104931233B (en) | 2018-04-27 |
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| CN201510383987.4A Active CN104931233B (en) | 2015-07-03 | 2015-07-03 | A kind of leaded light board checking device |
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| CN105466943A (en) * | 2015-12-15 | 2016-04-06 | 爱彼思（苏州）自动化科技有限公司 | Burr detection mechanism |
| CN105891221A (en) * | 2016-06-12 | 2016-08-24 | 佛山市联智新创科技有限公司 | Light guide plate inspection mechanism |
| CN106198555A (en) * | 2016-07-20 | 2016-12-07 | 梁启明 | The CCD of a kind of medical accessory detects device |
| CN106769867A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of translatable regulation for being applied to circuit board testing machine |
| CN107869953A (en) * | 2016-09-26 | 2018-04-03 | 研祥智能科技股份有限公司 | Strip source fixing device based on Machine Vision Detection |
| CN107900511A (en) * | 2017-10-31 | 2018-04-13 | 青岛理工大学 | Processing device and method for combining scattering mesh point processing and quality detection of light guide plate |
| WO2018086323A1 (en) * | 2016-11-08 | 2018-05-17 | Boe Technology Group Co., Ltd. | Backlight detection apparatus and backlight detection method thereof |
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| CN108346141A (en) * | 2018-01-11 | 2018-07-31 | 浙江理工大学 | Unilateral side incidence type light guide plate defect extracting method |
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| CN108593651A (en) * | 2018-04-10 | 2018-09-28 | 安徽利珀科技有限公司 | A kind of light guide plate automatic detection device |
| CN108981770A (en) * | 2018-05-28 | 2018-12-11 | 合肥京东方显示光源有限公司 | A kind of inspection light assembly |
| CN109064439A (en) * | 2018-06-15 | 2018-12-21 | 杭州舜浩科技有限公司 | Single-sided illumination formula light guide plate shadow defect extracting method based on subregion |
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| CN109358074A (en) * | 2018-08-28 | 2019-02-19 | 盐城华科智造数据科技有限公司 | The detection device and its detection method of transparent material internal flaw |
| CN110298825A (en) * | 2019-06-17 | 2019-10-01 | 杭州舜浩科技有限公司 | Light guide plate black spot defect detection method |
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| CN105466943A (en) * | 2015-12-15 | 2016-04-06 | 爱彼思（苏州）自动化科技有限公司 | Burr detection mechanism |
| CN105891221B (en) * | 2016-06-12 | 2018-12-28 | 惠州安嵘光电产品有限公司 | A kind of light guide plate inspection body |
| CN105891221A (en) * | 2016-06-12 | 2016-08-24 | 佛山市联智新创科技有限公司 | Light guide plate inspection mechanism |
| CN106198555A (en) * | 2016-07-20 | 2016-12-07 | 梁启明 | The CCD of a kind of medical accessory detects device |
| CN106198555B (en) * | 2016-07-20 | 2024-02-13 | 梁启明 | CCD detection device of medical accessory |
| CN107869953A (en) * | 2016-09-26 | 2018-04-03 | 研祥智能科技股份有限公司 | Strip source fixing device based on Machine Vision Detection |
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| CN106769867A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of translatable regulation for being applied to circuit board testing machine |
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| CN107900511A (en) * | 2017-10-31 | 2018-04-13 | 青岛理工大学 | Processing device and method for combining scattering mesh point processing and quality detection of light guide plate |
| CN108346141A (en) * | 2018-01-11 | 2018-07-31 | 浙江理工大学 | Unilateral side incidence type light guide plate defect extracting method |
| CN108346141B (en) * | 2018-01-11 | 2021-10-22 | 杭州衡眺科技有限公司 | Method for extracting defects of single-side light-entering type light guide plate |
| CN108088851B (en) * | 2018-02-12 | 2024-01-05 | 苏州玻色智能科技有限公司 | Printing detection device in mobile phone glass cover plate printing equipment |
| CN108088851A (en) * | 2018-02-12 | 2018-05-29 | 苏州玻色智能科技有限公司 | Printing checking device in mobile phone glass cover board printing equipment |
| CN108593651A (en) * | 2018-04-10 | 2018-09-28 | 安徽利珀科技有限公司 | A kind of light guide plate automatic detection device |
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| CN108387584A (en) * | 2018-05-03 | 2018-08-10 | 合肥泰沃达智能装备有限公司 | A kind of large-size light-conducting plate detection platform |
| CN108387584B (en) * | 2018-05-03 | 2024-01-30 | 合肥泰沃达智能装备有限公司 | Large-size light guide plate detection platform |
| CN108981770A (en) * | 2018-05-28 | 2018-12-11 | 合肥京东方显示光源有限公司 | A kind of inspection light assembly |
| CN109064439A (en) * | 2018-06-15 | 2018-12-21 | 杭州舜浩科技有限公司 | Single-sided illumination formula light guide plate shadow defect extracting method based on subregion |
| CN109064439B (en) * | 2018-06-15 | 2020-11-24 | 杭州舜浩科技有限公司 | Partition-based single-side light-entering type light guide plate shadow defect extraction method |
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| CN109358074B (en) * | 2018-08-28 | 2023-08-18 | 苏州嘉展科技有限公司 | Device and method for detecting internal defects of transparent material |
| CN109282966A (en) * | 2018-08-31 | 2019-01-29 | 合肥泰沃达智能装备有限公司 | A kind of light guide plate rotation detection platform |
| CN110298825B (en) * | 2019-06-17 | 2021-07-02 | 杭州舜浩科技有限公司 | Method for detecting black spot defect of light guide plate |
| CN110298825A (en) * | 2019-06-17 | 2019-10-01 | 杭州舜浩科技有限公司 | Light guide plate black spot defect detection method |
| CN110426400A (en) * | 2019-07-18 | 2019-11-08 | 成都新西旺自动化科技有限公司 | For touch screen can operating space automatic polisher and its automatic method for polishing |
| CN111921883A (en) * | 2020-06-08 | 2020-11-13 | 嘉兴市品鼎电器有限公司 | Qualified product detection device for diffusion plate |
| CN112591409A (en) * | 2020-12-29 | 2021-04-02 | 台州科技职业学院 | Conveying and cooling device for food machinery and using method thereof |
| CN113074918A (en) * | 2021-04-01 | 2021-07-06 | 深圳市日昌晶智能光电有限公司 | Be applied to leaded light performance detection device of LED light guide plate |
| CN113074918B (en) * | 2021-04-01 | 2021-10-12 | 深圳市日昌晶智能光电有限公司 | Be applied to leaded light performance detection device of LED light guide plate |
| CN116045157A (en) * | 2022-06-01 | 2023-05-02 | 重庆大学 | Prefabricated part vision imaging detection line array camera support and installation method thereof |
| CN117705819A (en) * | 2023-12-15 | 2024-03-15 | 深圳菲尔泰光电有限公司 | Reflective film production equipment with on-line detection device |
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