CN104931233B - A kind of leaded light board checking device - Google Patents
A kind of leaded light board checking device Download PDFInfo
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- CN104931233B CN104931233B CN201510383987.4A CN201510383987A CN104931233B CN 104931233 B CN104931233 B CN 104931233B CN 201510383987 A CN201510383987 A CN 201510383987A CN 104931233 B CN104931233 B CN 104931233B
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- guide plate
- light guide
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- camera
- checking device
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Abstract
The invention discloses a kind of guide-lighting board checking device, including mounting-fixing base, detection platform, sidelight source device, camera support, camera, mounting-fixing base upper surface connection fixed test platform, sidelight source device, camera support, fixed camera is connected on camera support, detection platform includes stent, table top, LED light bar, LED shadow shields, reflective mirror, sidelight source device.The present apparatus is used to detect the optical property of light guide plate, brightness uniformity, whether has the impurity such as stain, bright spot, if there are open defects such as burr, scratches, and then decides whether to come into operation the light guide plate of the detection.A kind of guide-lighting board checking device of the present invention, its detection efficiency, automation are high, simple in structure, stable and reliable for performance, and can exclude because on light guide plate there are dust and to the influence of light guide plate testing result.
Description
Technical field
The present invention relates to testing equipment field, and in particular to a kind of leaded light board checking device.
Background technology
Backlight is for ensuring that liquid crystal display sends the light supply apparatus of light behind.Because liquid crystal display device is in itself
It is transparent and will not shines, so needs backlight to aid in.Some indexs such as the brightness of backlight, the uniformity are to liquid crystal
The correlated performance of display screen has direct influence.Light guide plate is the communication media of backlight light source, its shape and material composition are determined
The performance of the briliancy and the upper uniformity of distribution of light-emitting face is determined.The function of light guide plate is that side light source is converted into area source simultaneously
Shine uniform.At present light guide plate it is common with having：The backlight of liquid crystal display, mobile phone display screen, ultra-thin advertising lamp box,
The occasion of the classes such as therapeutic medical X-ray viewer, plate lamp ornaments lighting, the light efficiency utilization of light engineering, illuminant sign plate.
In light guide plate production and processing, due to factors such as technique, material, transports, light guide plate is set not conform to there are defective or flaw inevitably
Whether its properties so before light guide plate comes into operation, need to be qualified for detection by lattice probability.In the prior art, to leaded light
The performance detection generally use artificial detection of plate, artificial detection is time-consuming, laborious, inefficiency, due to testing staff's subjective bias
Property, test stone is difficult consistent, and easily produces error.
The content of the invention
During the task of the present invention is overcoming to light guide plate performance detection, time-consuming, laborious, inefficiency is also easy to produce error etc. and lacks
Fall into, there is provided a kind of leaded light board checking device, for detecting the optical property of light guide plate, brightness uniformity, whether having stain, bright spot
Deng impurity, if there are the open defects such as burr, scratch.
The technical solution adopted by the present invention is：A kind of leaded light board checking device, including mounting-fixing base, detection platform, side
Light supply apparatus, camera support, camera, mounting-fixing base upper surface connection fixed test platform, sidelight source device, camera support,
Fixed camera is connected on camera support, detection platform includes stent, table top, LED light bar, LED shadow shields, reflective mirror.
Camera support, detection platform, sidelight source device, which are connected through a screw thread, is fixed on mounting-fixing base upper surface, camera branch
Frame includes the crossbeam at the top of two columns of column and connection of the left and right sides, and litter one end, the connection of the litter other end are connected on crossbeam
Camera fixing seat sliding block, the column, crossbeam, litter surface are designed with the sliding slot for running through both sides along its length, and camera is solid
Due on Camera fixing seat sliding block, set by the sliding slot on column, crossbeam, litter, camera may be implemented in vertical, horizontal direction
Position adjust, enhance camera position adjustability and the scope of application.
Detection platform includes stent, table top, LED light bar, LED shadow shields, reflective mirror, sidelight source device.Stent screw thread connects
Mounting-fixing base is connect, bottom surface of table top connection fixes two stents being oppositely arranged, tool base plate, tool base plate are provided with table top
On be equipped with reflective mirror, light guide plate to be detected is positioned on reflective mirror, light guide plate one side and its same level height and position
It is LED shadow shields on LED light bar equipped with LED light bar, after LED light bar is lighted, which pushes, and sends out LED light bar
Light level out is prevented the light that LED light bar is sent from draining to other positions, is influenced camera and adopt figure by light guide plate.
Sidelight source device is arranged at detection platform both sides, and sidelight source device includes erection support, angle regulator, lamp
Seat, lamp bar, erection support are screwed on mounting-fixing base, erection support top connection angle regulator one end, angle
The regulating device other end connects fixed lamp-socket, and lamp bar is placed in lamp holder；The end face that lamp holder is connected with angle regulator is equipped with edge
Its length direction sets and runs through the sliding slot at both ends, and erection support is vertically equipped with strip hole slot；The angular adjustment
Device is used to adjust lamp holder pitch angle, and the polishing angle of lamp bar in adjusting lamp holder is realized by adjusting lamp holder pitch angle.Angle
Regulating device includes fixed seat, adjusting slider, fixed seat end face connection erection support, and the connection of fixed seat opposite other end is adjusted
Sliding block, fixed seat upper end are equipped with arc chute, and adjusting slider lower end is connected by axis pin with fixed seat, and adjusting slider can be around pin
Axis rotation does relative motion fixed seat, and adjusting slider upper end is equipped with through hole, can pass through through hole and arc using fastener bolt
Shape sliding slot rear enclosure is fastened with nut, when need to adjust lamp bar polishing angle, is unscrewed and is tightened again after adjusting angle needed for lamp holder after nut
Nut.
The present invention testing principle be：By importing light beam to light guide plate end face, light beam injects light guide plate from end face, works as light
When line is mapped to each light guiding points inside light guide plate, reflected light can be spread toward all angles, then projected by light guide plate front, made to lead
Tabula rasa surface uniformly light-emitting, the camera being vertically installed in above light guide plate carries out adopting picture to the lighting conditions of light guide plate, and passes through
Computer analyzes the image of collection, to detect light guide plate optical property, to distinguish whether light guide plate is qualified；The sidelight
Source device set purpose be：After closing LED light, side light source is opened, can clearly show the surface dirt in product or frock, phase
Machine adopts map analysis to it, and influence of the dust to inspection software can be excluded when inspection software analyzes product.
Relative to the prior art, beneficial effects of the present invention are：
A kind of guide-lighting board checking device of the present invention, its detection efficiency, automation are high, simple in structure, stable and reliable for performance,
And can exclude because on light guide plate there are dust and to the influence of light guide plate testing result.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of guide-lighting board checking device；
Fig. 2 is a kind of detection platform of guide-lighting board checking device, sidelight source device enlarged diagram.
Embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
As shown in Figure 1 and Figure 2, a kind of guide-lighting board checking device, including mounting-fixing base 1, detection platform 2, sidelight source device
3rd, camera support 4, camera 5,1 upper surface of mounting-fixing base connection fixed test platform 2, sidelight source device 3, camera support 4, phase
Connect fixed camera 5 on machine support 4, detection platform 2 includes stent 21, table top 22, LED light bar 23, LED shadow shields 24, reflective
Mirror 25.
Camera support 4, detection platform 2, sidelight source device 3, which are connected through a screw thread, is fixed on 1 upper surface of mounting-fixing base, phase
Machine support 4 includes the crossbeam 42 at 41 top of column 41 and two column of connection of the left and right sides, and litter 43 1 is connected on crossbeam 42
End, 43 other end of litter connection Camera fixing seat sliding block 44, the column 41, crossbeam 42,43 surface of litter are designed with growing along it
The sliding slot that both sides are run through in direction is spent, camera 5 is fixed on Camera fixing seat sliding block 44, by column 41, crossbeam 42, litter 43
Sliding slot set, camera 5 may be implemented in vertical, horizontal direction position and adjust, and enhance 5 position adjustability of camera and applicable model
Enclose.
Detection platform 2 includes stent 21, table top 22, LED light bar 23, shadow shield 24, reflective mirror 25.Stent 21 is threadedly coupled
Mounting-fixing base 1, the connection of 22 bottom surface of table top fix two stents 21 being oppositely arranged, tool base plate 26 are provided with table top 22,
Reflective mirror 25 is equipped with tool base plate 26, light guide plate 6 to be detected is positioned on reflective mirror 25,6 one side of light guide plate and its
Same level height and position is equipped with LED light bar 23, is LED shadow shields 24 on LED light bar 23, should after LED light bar 23 is lighted
LED shadow shields 24 push, and make the light level that LED light bar 23 issues by light guide plate 6, the light for preventing LED light bar 23 from sending
Line drains to other positions, influences camera 5 and adopts figure.
Sidelight source device 3 is arranged at 2 both sides of detection platform, and sidelight source device 3 includes erection support 31, angle regulator
33rd, lamp holder 32, lamp bar 34, erection support 31 are screwed on mounting-fixing base 1,31 top of erection support connection angular adjustment
33 one end of device, 33 other end of angle regulator connection fixed lamp-socket 32, lamp bar 34 are placed in lamp holder 32；Lamp holder 32 and angle
The end face that regulating device 33 connects is equipped with sets and runs through the sliding slot at both ends along its length, and erection support 31 is vertically
Equipped with strip hole slot；The angle regulator 33 is used to adjust 32 pitch angle of lamp holder, comes by adjusting 32 pitch angle of lamp holder
Realize the polishing angle for adjusting lamp bar 34 in lamp holder 32.Angle regulator 33 includes fixed seat 331, adjusting slider 332, fixed
Seat 331 end faces connection erection support 31,331 opposite other end of fixed seat connection adjusting slider 332,331 upper end of fixed seat is set
There is arc chute, 332 lower end of adjusting slider is connected by axis pin 333 with fixed seat 331, and adjusting slider 332 can be around axis pin 333
Rotation does relative motion fixed seat 331, and 332 upper end of adjusting slider is equipped with through hole 334, fastener bolt can be used to pass through logical
Hole 334 and arc chute rear enclosure are fastened with nut, when need to adjust 34 polishing angle of lamp bar, are adjusted after unscrewing nut needed for lamp holder 32
Nut is tightened after angle again.
The present invention testing principle be：By importing light beam to light guide plate end face, light beam injects light guide plate from end face,
When each light guiding points inside light is mapped to light guide plate, reflected light can be spread toward all angles, then be penetrated by light guide plate front
Going out, make light guide plate surface uniformly light-emitting, the camera being vertically installed in above light guide plate carries out adopting picture to the lighting conditions of light guide plate,
And the image of collection is analyzed by computer, to detect light guide plate optical property, brightness uniformity, whether light guide plate is deposited
Stain, bright spot, stain, burr, the scratch the defects of, to distinguish whether light guide plate is qualified, whether can come into operation；The sidelight
Source device set purpose be：After closing LED light, side light source is opened, can clearly show the surface dirt in product or frock, phase
Machine adopts map analysis to it, and influence of the dust to inspection software can be excluded when inspection software analyzes product.
Preferable camera 5 connects computer by data cable；
The preferable camera 5 can be camera or be replaced with camera, and connect computer；
Preferable 44 bottom of Camera fixing seat sliding block is equipped with reflectors shading plate 45, and the light for preventing frock later leads to
Cross reflective mirror 25 and be refracted to camera 5, figure and analysis result are adopted in influence.
A kind of preferable guide-lighting board checking device is also associated with light guide plate auto-feeder and light guide plate discharge point
Device is picked, light guide plate to be detected is automatically fed into detection platform 2, light guide plate discharge sorting equipment by light guide plate auto-feeder
The qualified light guide plate of discharge, unqualified light guide plate can be distinguished according to the testing result of light guide plate；Sorting equipment can also be more thin
The unqualified content according to light guide plate testing result changed, discharge is distinguished by light guide plate.
Relative to the prior art, beneficial effects of the present invention are：
Leaded light board checking device of the invention, its detection efficiency, automation are high, simple in structure, stable and reliable for performance, and energy
Exclude because on light guide plate there are dust and to the influence of light guide plate testing result.
Claims (9)
- A kind of 1. leaded light board checking device, it is characterised in that：Including mounting-fixing base (1), detection platform (2), sidelight source device (3), camera support (4), camera (5), mounting-fixing base (1) upper surface connection fixed camera stent (4), detection platform (2), side Light supply apparatus (3), fixed camera (5) is connected on camera support (4)；The camera (5) connects computer by data cable；Detection platform (2) includes stent (21), table top (22), LED light bar (23), LED shadow shields (24), reflective mirror (25), branch Frame (21) is threadedly coupled mounting-fixing base (1), and two stents being oppositely arranged (21), table top (22) are fixed in the connection of table top (22) bottom surface On be additionally provided with tool base plate (26), be equipped with reflective mirror (25) on tool base plate (26), light guide plate (6) to be detected is positioned over instead On light microscopic (25), light guide plate (6) end face and its same level height and position are equipped with LED light bar (23), LED light bar (23) it On be LED shadow shields (24), after LED light bar (23) is lighted, the LED shadow shields (24) push, make what LED light bar (23) issued Light level is prevented the light that LED light bar (23) is sent from draining to other positions, is influenced camera (5) and adopt figure by light guide plate (6)；Sidelight source device (3) is arranged at detection platform (2) both sides, its bottom connection mounting-fixing base (1)；Light beam is imported to light guide plate end face, light beam injects light guide plate from end face, when light is mapped to each inside light guide plate lead During luminous point, reflected light can be spread toward all angles, then projected by light guide plate front, made light guide plate surface uniformly light-emitting, vertically The camera being arranged above light guide plate carries out the lighting conditions of light guide plate to adopt picture, and the image of collection is carried out by computer Analysis, to detect light guide plate optical property, to distinguish whether light guide plate is qualified；The sidelight source device sets purpose to close After LED light bar, side light source is opened, can clearly show the surface dirt in product or frock, camera adopts figure to it, soft detecting Influence of the dust to inspection software is excluded when part analyzes product.
- 2. leaded light board checking device as claimed in claim 1, it is characterised in that：The camera support (4), detection platform (2) It is connected through a screw thread and is fixed on mounting-fixing base (1) upper surface, camera support (4) includes the column (41) of the left and right sides and connects The crossbeam (42) at the top of two columns (41) is connect, litter (43) one end, litter (43) other end connection camera are connected on crossbeam (42) Fixed seat sliding block (44), the column (41), crossbeam (42), litter (43) surface are designed with sliding slot along its length, phase Machine (5) is fixed on Camera fixing seat sliding block (44), is set by the sliding slot on column (41), crossbeam (42), litter (43), phase Machine (5) may be implemented in vertical, horizontal direction position and adjust, and enhance camera (5) position adjustability and the scope of application.
- 3. leaded light board checking device as claimed in claim 1, it is characterised in that：The sidelight source device (3) is arranged at detection Platform (2) both sides, sidelight source device (3) include erection support (31), lamp holder (32), angle regulator (33), lamp bar (34), Erection support (31) is screwed on mounting-fixing base (1), erection support (31) top connection angle regulator (33) one End, angle regulator (33) other end connection fixed lamp-socket (32), lamp bar (34) are placed in lamp holder (32).
- 4. leaded light board checking device as claimed in claim 3, it is characterised in that：The angle regulator (33) includes fixing Seat (331), adjusting slider (332), fixed seat (331) end face connection erection support (31), fixed seat (331) opposite other end Adjusting slider (332) is connected, fixed seat (331) upper end is equipped with arc chute, and adjusting slider (332) lower end passes through axis pin (333) It is connected with fixed seat (331), adjusting slider (332) can be rotated around axis pin (333) does relative motion fixed seat (331), adjusts Section sliding block (332) upper end is equipped with through hole (334), and bolt can be used tight with nut through through hole (334) and arc chute rear enclosure Gu lamp bar (34) polishing angle need to be adjusted, unscrew and tighten nut again after adjusting angle needed for lamp holder (32) after nut.
- 5. leaded light board checking device as claimed in claim 3, it is characterised in that：The lamp holder (32) and angle regulator (33) end face of connection is equipped with is set and through the sliding slot at both ends along its length.
- 6. leaded light board checking device as claimed in claim 3, it is characterised in that：The erection support (31) vertically sets There is strip hole slot.
- 7. leaded light board checking device as claimed in claim 3, it is characterised in that：The camera (5) can be camera or with Camera replaces.
- 8. leaded light board checking device as claimed in claim 2, it is characterised in that：Camera fixing seat sliding block (44) bottom is set There is reflectors shading plate (45), for preventing the later light of frock to be refracted to camera by reflective mirror, influence is adopted figure and divided Analyse result.
- 9. leaded light board checking device as claimed in claim 3, it is characterised in that：The leaded light board checking device is also associated with leading Tabula rasa auto-feeder and light guide plate discharge sorting equipment, light guide plate auto-feeder is by light guide plate auto-feed to be detected To detection platform (2), light guide plate discharge sorting equipment can distinguish the qualified light guide plate of discharge, no according to the testing result of light guide plate Qualified light guide plate；The unqualified content according to light guide plate testing result that sorting equipment can also be refined more, by light guide plate into Row distinguishes discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510383987.4A CN104931233B (en) | 2015-07-03 | 2015-07-03 | A kind of leaded light board checking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510383987.4A CN104931233B (en) | 2015-07-03 | 2015-07-03 | A kind of leaded light board checking device |
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| CN104931233A CN104931233A (en) | 2015-09-23 |
| CN104931233B true CN104931233B (en) | 2018-04-27 |
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| 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 |
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| 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 |
| 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 |
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