CN108398440A - A kind of mobile phone screen defect inspection machine and its detection method - Google Patents
A kind of mobile phone screen defect inspection machine and its detection method Download PDFInfo
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- CN108398440A CN108398440A CN201810109447.0A CN201810109447A CN108398440A CN 108398440 A CN108398440 A CN 108398440A CN 201810109447 A CN201810109447 A CN 201810109447A CN 108398440 A CN108398440 A CN 108398440A
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- mobile phone
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/152—Scraping; Brushing; Moving band
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8809—Adjustment for highlighting flaws
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of mobile phone screen defect inspection machine and its detection methods, including detection machine ontology and host computer, the detection machine body interior is provided with bottom plate, it is fixed with telescopic cylinder on the bottom plate, and telescopic cylinder is connected with drawer by telescopic rod, it is fixedly installed signal picker above bottom plate and at the bottom centre of drawer, the inner top of the detection machine ontology and positioned at drawer upper center position at be fixed with ccd image sensor, it is installed with light source on the side table wall of the ccd image sensor, it is additionally provided with deashing device in the drawer.High degree of automation of the present invention, it is easy to operate, detection is quick, working efficiency is effectively raised, economic benefit is increased, next is provided with the ash-removing plate that electric pushrod pushes it to move, the foreign matter on mobile phone screen can be removed by ash-removing plate, the function of increasing the mobile phone screen defect inspection machine is also prevented from influence of the foreign matter to subsequent detection on mobile phone, improves the accuracy of mobile phone screen detection.
Description
Technical field
The present invention relates to mobile phone screen detection technique field more particularly to a kind of mobile phone screen defect inspection machine and its detections
Method.
Background technology
Mobile phone screen is also referred to as display screen, for showing image and color.Screen size according to the diagonal line computation of screen, usually with
Inch (inch) office, refers to the diagonal length of screen.Screen material draw it is increasingly popular with mobile phone color screen, mobile phone screen
Material also increasingly seems important, the color/graphics of mobile phone because LCD qualities are different with research and development technology and difference, type
Substantially there are TFT, TFD, UFB, STN and OLED several.In general the color that can be shown is more, then the image that mobile phone is shown is got over
The level of complexity, picture is also more abundant；Increasingly popular with mobile phone color screen, the material of mobile phone screen also increasingly seems weight
It wants.It removes outside this few major class LCD above, moreover it is possible to some LCD of others, such as the GF of Japan SHARP are seen on some mobile phones
Screen and CG (continuous crystallisation silicon) LCD.Two kinds of LCD compare the type for belonging to entirely different, and GF is the improvement of STN, Neng Gouti
The brightness of high LCD, and CG is then the resolution ratio that the high-quality LCD of high-precision can reach QVGA (240 × 320) pixel specification.
In mobile phone during manufacturing, as soon as screen is an extremely important component, therefore the defects detection of screen
It is particularly important, however there is some shortcomingss in use for existing mobile phone screen defect inspection machine, such as certainly
Dynamicization degree is relatively low, simple in structure, not specific enough to the detection of mobile phone screen defect, for the foreign matter on mobile phone screen without very
Good cleaning plant easily influences the accuracy etc. of mobile phone screen detection.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of mobile phone screen defect inspection proposed
Survey machine and its detection method, the detection machine have the function of deashing, cause to detect due to can be to avoid the dust outside mobile phone screen
It is wrong, and the complete detection under diversified forms can improve the precision of mobile phone screen defects detection.
To achieve the goals above, present invention employs following technical solutions：
The outside of a kind of mobile phone screen defect inspection machine, including detection machine ontology and host computer, the detection machine ontology is logical
It crosses fixed seat and is connected with host computer, the detection machine body interior is provided with bottom plate, and telescopic cylinder is fixed on the bottom plate, and
Telescopic cylinder is connected with drawer by telescopic rod, and the drawer is slidably connected by idler wheel with the first sliding groove opened up on bottom plate,
Be fixedly installed signal picker above bottom plate and at the bottom centre of drawer, the inner top of the detection machine ontology and
It is fixed with ccd image sensor at the upper center position of drawer, consolidates on the side table wall of the ccd image sensor
Dingan County is equipped with light source, and deashing device is additionally provided in the drawer, and the deashing device includes ash-removing plate, placing groove sum aggregate ash
Box.
As further describing for above-mentioned technical proposal：
Placing groove is offered at the center of the drawer upper surface, the interior welds of the placing groove have limited block, described to put
The side for being internally located at limited block for setting slot is embedded with ash collecting box.
As further describing for above-mentioned technical proposal：
The both sides that the drawer upper surface is located at placing groove symmetrically offer second sliding slot, and inside two second sliding slots respectively
Setting is fixedly installed an ash-removing plate between two sliding blocks, fixed block is welded at the ash-removing plate top center there are one sliding block,
And fixed block is fixedly connected by electric pushrod with drawer.
As further describing for above-mentioned technical proposal：
The bottom of the ash-removing plate is equidistantly viscous to be equipped with several blocky non-dust cloths.
As further describing for above-mentioned technical proposal：
There are four the idler wheel is arranged altogether, and four rolling is symmetricly set on four corners of drawer bottom.
As further describing for above-mentioned technical proposal：
The input terminal of the host computer is electrically connected with the output end of signal picker and ccd image sensor respectively, institute
The output end and the input terminal of deashing device and mobile phone for stating host computer are electrically connected.
Another technical solution of the present invention is a kind of detection method based on above-mentioned mobile phone screen defect inspection machine, including
Following steps：
(1) manipulator grabs the mobile phone on production line in detection machine ontology, and detection machine ontology closes drawer automatically；
(2) the SN codes on signal picker acquisition mobile phone, then pass information to host computer, and read hand by host computer
The SN codes of machine；
(3) host computer sends instruction control mobile phone and shows blank screen respectively, white screen, red screen, green screen, blue screen, 55 ash screens, and 127
Ash screen and CT screens are obtained by ccd image sensor and are transmitted to host computer after the picture on mobile phone and are analyzed and handled respectively,
Detailed process is as follows：
1) mobile phone screen does not have illuminating state, irradiates mobile phone with light source, when there is foreign matter, ccd image sensor sends out signal
It sending to host computer, PC control deashing device removes the foreign matter on mobile phone,
2) bright spot, hickie, color spot and dust fingerprint have been detected whether under black state,
3) defect of blackspot, stain, soft flocks, interior dirty aspect is detected whether under white screen state,
4) whether the color for detecting screen display under red screen, green screen and blue screen state respectively is correct, and detects color
Rgb value and the uniformity,
5) combined under 55 ash screens and 127 grey screen states respectively light source (71) detection mobile phone (21) screen whether have scuffing and
Defect in terms of light leakage of the screen,
6) crosstalk., that is, crosstalk is tested under CT screen states；
(4) test data is saved in the database of host computer after the completion of testing, whether host computer is defective to mobile phone
Classify, and counts the defect type of mobile phone screen；
(5) detection machine ontology automatically opens, and manipulator takes mobile phone away.
In the present invention, the mobile phone on production line is grabbed inspection by the mobile phone screen defect inspection machine first by manipulator
In the drawer being arranged on survey machine ontology, the flexible of telescopic rod is driven by telescopic cylinder, drawer can be closed automatically, host computer
It sends instruction control mobile phone and shows blank screen, white screen, red screen, green screen, blue screen, 55 ash screens, 127 ash screens and CT screens, CCD figures respectively
Be transmitted to host computer as sensor obtains pictorial information and handled, can be directly detected by host computer the results show that
Realize full-automatic detection；
High degree of automation of the present invention, easy to operate, detection is quick, effectively raises working efficiency, increases economy
Benefit, next is provided with the ash-removing plate that electric pushrod pushes it to move, can be clear by the foreign matter on mobile phone screen by ash-removing plate
It removes, increases the function of the mobile phone screen defect inspection machine, be also prevented from influence of the foreign matter to subsequent detection on mobile phone, improve hand
The accuracy of machine screen detection.
Description of the drawings
Fig. 1 is the structural schematic diagram of mobile phone screen defect inspection machine proposed by the present invention；
Fig. 2 is the structural schematic diagram of drawer in the present invention；
Fig. 3 is the structural schematic diagram of ash-removing plate in the present invention；
Fig. 4 is the program chart of mobile phone screen defect inspection machine proposed by the present invention.
Marginal data：
1- detection machines ontology, 2- bottom plates, 3- idler wheels, 4- the first sliding grooves, 5- signal pickers, 6- drawers, 7-CCD images pass
Sensor, 71- radiation sources, 8- telescopic rods, 9- telescopic cylinders, 10- fixed seats, 11- host computers, 12- second sliding slots, 13- sliding blocks,
14- ash-removing plates, 15- placing grooves, 16- limited blocks, 17- ash collecting box, 18- electric pushrods, 19- fixed blocks, 20- non-dust cloths, 21- hands
Machine.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of mobile phone screen defect inspection machine, including detection machine ontology 1 and host computer 11, detection machine ontology
1 outside is also connected with host computer 11 by fixed seat 10, and detection machine ontology 1 is internally provided with bottom plate 2, is fixed on bottom plate 2
Telescopic cylinder 9, and telescopic cylinder 9 is connected with drawer 6 by telescopic rod 8, drawer 6 by opened up on idler wheel 3 and bottom plate 2 first
Sliding slot 4 is slidably connected, and signal picker 5 is fixedly installed above bottom plate 2 and at the bottom centre of drawer 6, for acquiring
The SN codes of 21 bottom of mobile phone, the inner top of detection machine ontology 1 and positioned at drawer 6 upper center position at be fixed with CCD
Imaging sensor 7, the picture for obtaining 21 screen display of mobile phone are installed on the side table wall of ccd image sensor 7
Light source 71, the light source 71 can be LED light, it is intended that the present invention is shown by the irradiation cooperation mobile phone screen of light source 71
To complete test.
Deashing device is additionally provided in drawer 6, deashing device includes ash-removing plate 14, placing groove 15 and ash collecting box 17, wherein
Placing groove 15 is used to clear up the foreign matter on 21 screen of mobile phone for placing mobile phone 21, ash-removing plate 14, and ash collecting box 17 is for collecting this
Foreign matter；Placing groove 15 is offered at 6 upper surface center of drawer, the interior welds of placing groove 15 have limited block 16, placing groove 15
The side for being internally located at limited block 16 is embedded with ash collecting box 17, wherein ash collecting box 17 is in placing groove 15, cleaning easy to disassemble；
The both sides that 6 upper surface of drawer is located at placing groove 15 symmetrically offer second sliding slot 12, and are respectively set inside two second sliding slots 12
There are one sliding block 13, it is fixedly installed an ash-removing plate 14 between two sliding blocks 13, fixed block is welded at 14 top center of ash-removing plate
19, and fixed block 19 is fixedly connected by electric pushrod 18 with drawer 6.
In the present embodiment, the bottom of ash-removing plate 14 is equidistantly viscous to be equipped with several blocky non-dust cloths 20, due to non-dust cloth 20
It is to be woven by 100% polyester fiber is double, soft surface, friction does not take off fiber, has good water imbibition and cleaning efficiency,
Therefore the secondary pollution of 21 screen of mobile phone will not be caused by wiping screen with non-dust cloth 20.
In the present embodiment, there are four the total settings of idler wheel 3, and four rolling 3 is symmetricly set on four turnings of 6 bottom of drawer
Place.
A kind of detection method of mobile phone screen defect inspection machine, including following operating procedure：
(1) manipulator grabs the mobile phone 21 on production line in the drawer 6 that detection machine ontology 1 is arranged, at this time mobile phone 21
In the placing groove 15 opened up on drawer 6, telescopic cylinder 9 is then controlled by host computer 11, telescopic rod 8 is driven to shrink, detection
Machine ontology 1 closes drawer 6 automatically；
(2) signal picker 5 acquires the SN codes on mobile phone 21, then passes information to host computer 11, and by host computer
11 read the SN codes of mobile phone 21；
(3) host computer sends instruction control mobile phone 21 and shows blank screen respectively, white screen, red screen, green screen, blue screen, 55 ash screens,
127 ash screens and CT screens are obtained by ccd image sensor 7 and are transmitted to host computer 11 after the picture on mobile phone 21 and are analyzed respectively
And processing,
Detailed process is as follows：
1) 21 screen of mobile phone does not have illuminating state, irradiates mobile phone with light source 71, ccd image sensor 7 believes the picture of acquisition
Breath is sent to host computer 11, and when there is foreign matter, host computer 11 controls the electric pushrod 18 in deashing device and ash-removing plate 14 is pushed to move
It is dynamic, the foreign matter on mobile phone 21 is removed,
2) bright spot, hickie, color spot and dust fingerprint have been detected whether under black state,
3) defect of blackspot, stain, soft flocks, interior dirt etc. is detected whether under white screen state,
4) whether the color for detecting screen display under red screen, green screen and blue screen state respectively is correct, and detects color
Rgb value and the uniformity,
5) light source 71 is combined to detect 21 screen of mobile phone in blank screen and white screen state under 55 ash screens and 127 grey screen states respectively
Under the defect that can't see, such as whether there is the defect of scuffing and light leakage of the screen etc.,
6) CT screens test crosstalk., that is, crosstalk；
(4) test after the completion of test data is saved in the database of host computer 11, host computer 11 to mobile phone 21 whether
It is defective to classify, and count the defect type of 21 screen of mobile phone；
(5) detection machine ontology 1 automatically opens, and manipulator takes mobile phone 21 away.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of mobile phone screen defect inspection machine, including detection machine ontology (1) and host computer (11), the detection machine ontology (1)
Outside host computer (11) is connected with by fixed seat (10), which is characterized in that the detection machine ontology (1) is internally provided with bottom
Plate (2) is fixed with telescopic cylinder (9) on the bottom plate (2), and telescopic cylinder (9) is connected with drawer (6) by telescopic rod (8),
The drawer (6) is slidably connected by idler wheel (3) with the first sliding groove (4) opened up on bottom plate (2), above bottom plate (2) and is located at
It is fixedly installed signal picker (5) at the bottom centre of drawer (6), the inner top of the detection machine ontology (1) and is located at
Ccd image sensor (7), the side table of the ccd image sensor (7) are fixed at the upper center position of drawer (6)
It is installed with light source (71) on wall, is additionally provided with deashing device in the drawer (6), the deashing device includes ash-removing plate
(14), placing groove (15) and ash collecting box (17).
2. a kind of mobile phone screen defect inspection machine according to claim 1, which is characterized in that drawer (6) upper surface
Placing groove (15) is offered at center, the interior welds of the placing groove (15) have limited block (16), the placing groove (15)
The side for being internally located at limited block (16) is embedded with ash collecting box (17).
3. a kind of mobile phone screen defect inspection machine according to claim 1 or 2, which is characterized in that drawer (6) upper table
The both sides that face is located at placing groove (15) symmetrically offer second sliding slot (12), and are respectively arranged with one inside two second sliding slots (12)
A sliding block (13) is fixedly installed an ash-removing plate (14) between two sliding blocks (13), is welded at ash-removing plate (14) top center
There are fixed block (19), the fixed block (19) to be fixedly connected with drawer (6) by electric pushrod (18).
4. a kind of mobile phone screen defect inspection machine according to claim 1, which is characterized in that the bottom of the ash-removing plate (14)
Portion is equidistantly viscous to be equipped with several blocky non-dust cloths (20).
5. a kind of mobile phone screen defect inspection machine according to claim 1, which is characterized in that the idler wheel (3) is arranged altogether
There are four, and four rolling (3) is symmetricly set on four corners of drawer (6) bottom.
6. a kind of mobile phone screen defect inspection machine according to claim 1, which is characterized in that the host computer (11) it is defeated
Enter end respectively with the output end of signal picker (5) and ccd image sensor (7) electric connection, the host computer (11) it is defeated
Outlet is electrically connected with the input terminal of deashing device and mobile phone (21).
7. a kind of detection method based on the mobile phone screen defect inspection machine described in claim 1-6, which is characterized in that comprising such as
Lower step：
(1) manipulator grabs the mobile phone (21) on production line in detection machine ontology (1), and detection machine ontology (1) closes automatically
Drawer (6)；
(2) the SN codes on signal picker (5) acquisition mobile phone (21), then pass information to host computer (11), and by upper
Machine (11) reads the SN codes of mobile phone (21)；
(3) host computer sends instruction control mobile phone (21) and shows blank screen respectively, white screen, red screen, green screen, blue screen, 55 ash screens, and 127
Ash screen and CT screens are obtained by ccd image sensor (7) and are transmitted to host computer (11) after the picture on mobile phone (21) and are divided respectively
Analysis and processing,
Detailed process is as follows：
1) mobile phone screen does not have illuminating state, irradiates mobile phone with light source (71), when there is foreign matter, ccd image sensor (7) is by picture
It is sent to host computer (11), host computer (11) controls the foreign matter on deashing device removing mobile phone (21),
2) it detected whether bright spot, hickie, color spot and dust fingerprint under black state, 3) has been detected whether under white screen state black
The defect of spot, stain, soft flocks, interior dirty aspect,
4) whether the color for detecting screen display under red screen, green screen and blue screen state respectively is correct, and detects the rgb value of color
And the uniformity,
5) combine whether light source (71) detection mobile phone (21) screen has scuffing and screen under 55 ash screens and 127 grey screen states respectively
Defect in terms of light leakage,
6) crosstalk., that is, crosstalk is tested under CT screen states；
(4) test data is saved in the database of host computer (11) after the completion of testing, host computer (11) is to mobile phone (21)
It is no it is defective classify, and count the defect type of mobile phone (21) screen；
(5) detection machine ontology (1) automatically opens, and manipulator takes mobile phone (21) away.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109447.0A CN108398440A (en) | 2018-02-05 | 2018-02-05 | A kind of mobile phone screen defect inspection machine and its detection method |
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|---|---|---|---|
| CN201810109447.0A CN108398440A (en) | 2018-02-05 | 2018-02-05 | A kind of mobile phone screen defect inspection machine and its detection method |
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Family
ID=63095866
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| CN109164666A (en) * | 2018-09-03 | 2019-01-08 | 深圳市明信测试设备有限公司 | A kind of automatic switchover camera colour of lens device |
| CN109520710A (en) * | 2018-12-28 | 2019-03-26 | 深圳眼千里科技有限公司 | A kind of full-automatic screen detection machine |
| CN110487803A (en) * | 2019-08-20 | 2019-11-22 | Oppo（重庆）智能科技有限公司 | The defect inspection method and device of infrared light-emitting component |
| CN111445452A (en) * | 2020-03-23 | 2020-07-24 | Oppo（重庆）智能科技有限公司 | Defect detection method and device of electronic product and computer readable storage medium |
| CN111795808A (en) * | 2020-07-17 | 2020-10-20 | 苏州精濑光电有限公司 | Display screen detection equipment |
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| CN111795808B (en) * | 2020-07-17 | 2022-06-24 | 苏州精濑光电有限公司 | Display screen detection equipment |
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Application publication date: 20180814 |