CN106040608A - Dynamic optical detection device and detection method for laptop keyboards - Google Patents
Dynamic optical detection device and detection method for laptop keyboards Download PDFInfo
- Publication number
- CN106040608A CN106040608A CN201610339360.3A CN201610339360A CN106040608A CN 106040608 A CN106040608 A CN 106040608A CN 201610339360 A CN201610339360 A CN 201610339360A CN 106040608 A CN106040608 A CN 106040608A
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- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000000284 extract Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000012797 qualification Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2301/00—Sorting according to destination
- B07C2301/0008—Electronic Devices, e.g. keyboard, displays
Landscapes
- Character Input (AREA)
- Image Input (AREA)
Abstract
The invention provides a dynamic optical detection device and detection method for laptop keyboards. The dynamic optical detection device comprises a camera, a touch screen displayer, an industrial personal computer, a stepping motor, a sorter, an assembly line testing table for storing the keyboards to be detected, and an illuminating device. The stepping motor drives the assembly line testing table to move. The camera and the illuminating device are arranged above the assembly line testing table. The camera is used for photographing the keyboards to be detected and generating to-be-detected photos. The touch screen displayer, the camera and the illuminating device are electrically connected with the industrial personal computer. The sorter is arranged at the discharging end of the assembly line testing table and used for discharging of the keyboards after detection is completed.
Description
Technical field
The present invention relates to detecting system based on machine vision, in particular it relates to a kind of keyboard of notebook computer dynamic optical inspection
Survey device and detection method.
Background technology
In the daily life such as computer notebook has been widely used for handling official business, learns, amusement, although the development of touch screen is
Through tending to ripe, but the speed of word input is limited by writing speed.Therefore, keyboard of notebook computer is still playing the part of important angle
Color, and demand appearance is diversified and personalized.
At present, in factory lines, the detection of keyboard of notebook computer is mainly operator and standard form naked eyes comparison
Carrying out qualification judgement again, detection speed is slow, subjectivity big, and cost is high, be easily generated erroneous judgement.Minority streamline introduces static state
Optical detection, detection project kind is few and remains a need for loaded down with trivial details manual operations, inefficiency, and human cost is high.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of keyboard of notebook computer dynamic optical detection device
And detection method.The present invention can be used in the language version of the keyboard of notebook computer on dynamic pipeline and distinguishes, keycap size detection, key
The defect of panel surface, crooked including word (containing labeling word), labeling position, button gap, button, surface scratch etc. and different
Analyte detection, Pipeline control, keyboard automatic sorting.
The keyboard of notebook computer dynamic optical detection device provided according to the present invention, including photographic head, touch-screen display, work
Control machine, motor, sorter, the streamline testboard of placement keyboard to be measured and illuminator；
Wherein, streamline testboard motion described in described step motor drive；Described photographic head and described illuminator set
Put on the upside of described streamline testboard；Described photographic head is for the generation photo to be detected of taking pictures of keyboard to be detected；
Described touch-screen display, described photographic head, described illuminator electrically connect described industrial computer；Described sorter sets
Put the discharging end at described streamline testboard, for having detected the blanking of rear keyboard.
Preferably, frame is also included；
Described photographic head, described touch-screen display, described industrial computer, described motor, described sorter and described
Illuminator is arranged in described frame.
Preferably, detection module is also included；
Wherein, described detection module electrically connects described industrial computer, for carrying out keyboard to be detected according to described detection photo
Detection.
Preferably, described photographic head uses single camera or dual camera；
Described illuminator uses double LED or four LED.
Preferably, described illuminator includes the first illuminator, the second illuminator being disposed adjacent；
Position structure corresponding with described streamline testboard between described first illuminator, described second illuminator
Become detection region；
Described photographic head is arranged on the upside in described detection region.
The keyboard of notebook computer dynamic optical detection method that the present invention provides, the keyboard of notebook computer dynamic optical inspection described in employing
Survey device, comprise the steps:
Step S1: utilize QWERTY keyboard photo to make detection masterplate, form template library, extract the feature of described detection masterplate
Information；
Step S2: the stencil matching carrying out photo to be detected according to described characteristic information generates detection information；
Step S3: described detection information is compared with the limits of error preset, it is judged that whether keyboard corresponding to photo to be detected
Qualified.
Preferably, described step S2 also comprises the steps:
Step S201: gray threshold is set and extracts the character on photo to be detected, carry out difference with the character in template base
The character qualification relatively carrying out photo to be detected judges；
Step S202: obtained the edge of photo to be detected by shade of gray, is obtained in photo to be detected by line detection
Keycap edge；
Step S203: carry out rectangle fitting according to the positional information of the character of photo to be detected, obtain photo to be detected
The housing of keycap obtains the Pixel Dimensions of keycap, compares with the keycap Pixel Dimensions on detection template, it is thus achieved that the reality of keyboard to be measured
Border size；
Step S204: obtain the character positional information relative to keycap on photo to be detected, with the character in template base
Compare relative to keycap correspondence position, obtain character off normal size.
Preferably, also comprise the steps:
In described keyboard of notebook computer dynamic optical detection device, detection module sends blanking instruction to industrial computer, described point
Pick device to instruct according to described blanking, carry out sorting blanking.
Compared with prior art, the present invention has a following beneficial effect:
1, the present invention is not rested in the case of work at industrial flow-line, it is not necessary to manual intervention can realize keyboard simultaneously
The measurement real-time of much information, the qualification carrying out product quickly and easily is distinguished, and produces effect with substantially increasing factory
Rate, saves labour force, reduces production cost；
2, in the present invention, illuminator is double light sources, can reduce keycap shade, make contour edge clear so that character and miscellaneous
Matter substantially manifests on image；
3, the present invention there is motion control card inside industrial computer, be accurately controlled motion and the signals collecting of streamline, and
Can accurately trigger CCD camera to take pictures and the action of sorter.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of keyboard of notebook computer dynamic optical detection device in the present invention；
Fig. 2 is the flow chart of steps of keyboard of notebook computer dynamic optical detection method in the present invention.
In figure:
1 is motor；
2 is keyboard to be measured；
3 is streamline；
4 is industrial computer；
5 is LCD display；
6 is CCD camera；
7 is LED light source；
8 is detection module；
9 is sorter.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
In the present embodiment, the present invention provide keyboard of notebook computer dynamic optical detection device, including frame, photographic head,
Touch-screen display, industrial computer, motor, sorter, the streamline testboard of placement keyboard to be measured and illuminator；
Wherein, streamline testboard motion described in described step motor drive；Described photographic head and described illuminator set
Put on the upside of described streamline testboard；Described photographic head is for the generation photo to be detected of taking pictures of keyboard to be detected；
Described touch-screen display, described photographic head, described illuminator electrically connect described industrial computer；Touch-screen display
Use LCD display 5；Described photographic head uses CCD camera.
Described sorter is arranged on the discharging end of described streamline testboard, for having detected the blanking of rear keyboard.
The keyboard of notebook computer dynamic optical detection device that the present invention provides, also includes frame；
Described photographic head, described touch-screen display, described industrial computer, described motor, described sorter and described
Illuminator is arranged in described frame.
The keyboard of notebook computer dynamic optical detection device that the present invention provides, also includes detection module；
Wherein, described detection module electrically connects described industrial computer, for carrying out keyboard to be detected according to described detection photo
Detection.Described detection module is computer.
Described photographic head uses single camera or dual camera；
Described illuminator uses double LED or four LED.
Described illuminator includes the first illuminator, the second illuminator being disposed adjacent；
Position structure corresponding with described streamline testboard between described first illuminator, described second illuminator
Become detection region；
Described CCD camera is arranged on the upside in described detection region.
During the keyboard of notebook computer dynamic optical detection device that the present invention provides, industrial computer arranges the operation speed of motor
Degree, drives the motion of streamline testboard, and the keyboard to be measured on streamline testboard passes through region to be measured, and industrial computer calculates and triggers
Ccd video camera is taken pictures, and ccd video camera is arranged on the normal position of position to be measured, requires to do altitude mixture control according to certainty of measurement,
The carrying out of the incoming computer software of photo processes, the result of LCD display Real-Time Display Software, and makes qualified judgement,
Computer is connected by data wire with industrial computer, produces control signal and the sorter of streamline is made different control.
The keyboard of notebook computer dynamic optical detection method that the present invention provides, the keyboard of notebook computer dynamic optical inspection described in employing
Survey device, comprise the steps:
Step S1: utilize QWERTY keyboard photo to make detection masterplate, form template library, extract the feature of described detection masterplate
Information；
Step S2: the stencil matching carrying out photo to be detected according to described characteristic information generates detection information；
Step S3: described detection information is compared with the limits of error preset, it is judged that whether keyboard corresponding to photo to be detected
Qualified.
Described step S2 also comprises the steps:
Step S201: gray threshold is set and extracts the character on photo to be detected, carry out difference with the character in template base
The character qualification relatively carrying out photo to be detected judges；
Step S202: obtained the edge of photo to be detected by shade of gray, obtains to be checked by the detection of Hough transform line
Survey keycap edge in photo；
Step S203: carry out rectangle fitting according to the positional information of the character of photo to be detected, obtain photo to be detected
The housing of keycap obtains the Pixel Dimensions of keycap, compares with the keycap Pixel Dimensions on detection template, it is thus achieved that the reality of keyboard to be measured
Border size；
Step S204: obtain the character positional information relative to keycap on photo to be detected, with the character in template base
Compare relative to keycap correspondence position, obtain character off normal size.
The keyboard of notebook computer dynamic optical detection method that the present invention provides, also comprises the steps:
In described keyboard of notebook computer dynamic optical detection device, detection module sends blanking instruction to industrial computer, described point
Pick device to instruct according to described blanking, carry out sorting blanking.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (8)
1. a keyboard of notebook computer dynamic optical detection device, it is characterised in that include photographic head, touch-screen display, industry control
Machine, motor, sorter, the streamline testboard of placement keyboard to be measured and illuminator；
Wherein, streamline testboard motion described in described step motor drive；Described photographic head and described illuminator are arranged on
On the upside of described streamline testboard；Described photographic head is for the generation photo to be detected of taking pictures of keyboard to be detected；
Described touch-screen display, described photographic head, described illuminator electrically connect described industrial computer；Described sorter is arranged on
The discharging end of described streamline testboard, for having detected the blanking of rear keyboard.
Keyboard of notebook computer dynamic optical the most according to claim 1 detection device, it is characterised in that also include frame；
Described photographic head, described touch-screen display, described industrial computer, described motor, described sorter and described illumination
Device is arranged in described frame.
Keyboard of notebook computer dynamic optical the most according to claim 1 detection device, it is characterised in that also include detecting mould
Block；
Wherein, described detection module electrically connects described industrial computer, for carrying out the inspection of keyboard to be detected according to described detection photo
Survey.
Keyboard of notebook computer dynamic optical the most according to claim 1 detection device, it is characterised in that described photographic head uses
Single camera or dual camera；
Described illuminator uses double LED or four LED.
Keyboard of notebook computer dynamic optical the most according to claim 1 detection device, it is characterised in that described illuminator bag
Include the first illuminator, the second illuminator being disposed adjacent；
Position corresponding with described streamline testboard between described first illuminator, described second illuminator constitutes inspection
Survey region；
Described photographic head is arranged on the upside in described detection region.
6. a keyboard of notebook computer dynamic optical detection method, it is characterised in that use described in any one of claim 1 to 5
Keyboard of notebook computer dynamic optical detection device, comprises the steps:
Step S1: utilize QWERTY keyboard photo to make detection masterplate, form template library, extracts the feature letter of described detection masterplate
Breath；
Step S2: the stencil matching carrying out photo to be detected according to described characteristic information generates detection information；
Step S3: described detection information is compared with the limits of error preset, it is judged that the keyboard that photo to be detected is corresponding is the most qualified.
Keyboard of notebook computer dynamic optical detection method the most according to claim 6, it is characterised in that described step S2 is also wrapped
Include following steps:
Step S201: gray threshold is set and extracts the character on photo to be detected, carry out differential comparison with the character in template base
The character qualification carrying out photo to be detected judges；
Step S202: obtained the edge of photo to be detected by shade of gray, obtains keycap in photo to be detected by line detection
Edge；
Step S203: carry out rectangle fitting according to the positional information of the character of photo to be detected, obtain the keycap of photo to be detected
Housing obtain the Pixel Dimensions of keycap, compare with the keycap Pixel Dimensions on detection template, it is thus achieved that the actual chi of keyboard to be measured
Very little；
Step S204: obtain the character positional information relative to keycap on photo to be detected, relative with the character in template base
Compare in keycap correspondence position, obtain character off normal size.
Keyboard of notebook computer dynamic optical detection method the most according to claim 6, it is characterised in that also include walking as follows
Rapid:
In described keyboard of notebook computer dynamic optical detection device, detection module sends blanking instruction, described sorter to industrial computer
Instruct according to described blanking, carry out sorting blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339360.3A CN106040608B (en) | 2016-05-20 | 2016-05-20 | Keyboard of notebook computer dynamic optical detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339360.3A CN106040608B (en) | 2016-05-20 | 2016-05-20 | Keyboard of notebook computer dynamic optical detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106040608A true CN106040608A (en) | 2016-10-26 |
| CN106040608B CN106040608B (en) | 2019-02-22 |
Family
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| CN201610339360.3A Expired - Fee Related CN106040608B (en) | 2016-05-20 | 2016-05-20 | Keyboard of notebook computer dynamic optical detection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449239A (en) * | 2016-12-27 | 2017-02-22 | 珠海市捷锐科技有限公司 | Fully-automatic assembly production line for keyboard |
| CN106596567A (en) * | 2016-12-07 | 2017-04-26 | 英业达科技有限公司 | Keyboard panel on-line detecting method and implementing system thereof |
| CN106645209A (en) * | 2016-12-29 | 2017-05-10 | 百富计算机技术（深圳）有限公司 | Detection method and system of screen printing of key |
| CN106648121A (en) * | 2016-11-11 | 2017-05-10 | 昆山百希奥电子科技有限公司 | Visual detection method for rubber bubbles |
| CN106771753A (en) * | 2016-12-27 | 2017-05-31 | 珠海市捷锐科技有限公司 | Key functional test machine |
| CN106970092A (en) * | 2016-11-11 | 2017-07-21 | 昆山百希奥电子科技有限公司 | A kind of keyboard visual detection equipment |
| CN107203990A (en) * | 2017-04-02 | 2017-09-26 | 南京汇川图像视觉技术有限公司 | A kind of labeling damage testing method based on template matches and image quality measure |
| CN109000564A (en) * | 2018-07-26 | 2018-12-14 | 江苏传艺科技股份有限公司 | A kind of keycap assembling method for testing performance and automatic detection device |
| CN109365321A (en) * | 2018-11-20 | 2019-02-22 | 厦门理工学院 | A kind of medical penetrator detection machine |
| CN110658194A (en) * | 2019-09-30 | 2020-01-07 | 联想(北京)有限公司 | Keyboard detection method and keyboard detection equipment |
| CN112613337A (en) * | 2020-11-07 | 2021-04-06 | 泰州无印广告传媒有限公司 | Keyboard label missing detection platform and method |
| CN113495818A (en) * | 2020-03-20 | 2021-10-12 | 微盟电子(昆山)有限公司 | Keyboard light detection system and method, computer readable storage medium and electronic device |
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| CN106648121A (en) * | 2016-11-11 | 2017-05-10 | 昆山百希奥电子科技有限公司 | Visual detection method for rubber bubbles |
| CN106970092A (en) * | 2016-11-11 | 2017-07-21 | 昆山百希奥电子科技有限公司 | A kind of keyboard visual detection equipment |
| CN106596567A (en) * | 2016-12-07 | 2017-04-26 | 英业达科技有限公司 | Keyboard panel on-line detecting method and implementing system thereof |
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| CN106449239A (en) * | 2016-12-27 | 2017-02-22 | 珠海市捷锐科技有限公司 | Fully-automatic assembly production line for keyboard |
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| CN107203990B (en) * | 2017-04-02 | 2020-12-18 | 南京汇川图像视觉技术有限公司 | Label breakage detection method based on template matching and image quality evaluation |
| CN107203990A (en) * | 2017-04-02 | 2017-09-26 | 南京汇川图像视觉技术有限公司 | A kind of labeling damage testing method based on template matches and image quality measure |
| CN109000564A (en) * | 2018-07-26 | 2018-12-14 | 江苏传艺科技股份有限公司 | A kind of keycap assembling method for testing performance and automatic detection device |
| CN109365321A (en) * | 2018-11-20 | 2019-02-22 | 厦门理工学院 | A kind of medical penetrator detection machine |
| CN110658194A (en) * | 2019-09-30 | 2020-01-07 | 联想(北京)有限公司 | Keyboard detection method and keyboard detection equipment |
| CN113495818A (en) * | 2020-03-20 | 2021-10-12 | 微盟电子(昆山)有限公司 | Keyboard light detection system and method, computer readable storage medium and electronic device |
| CN113495818B (en) * | 2020-03-20 | 2024-03-15 | 微盟电子(昆山)有限公司 | Keyboard lamp detection system and method, computer readable storage medium and electronic device |
| CN112613337A (en) * | 2020-11-07 | 2021-04-06 | 泰州无印广告传媒有限公司 | Keyboard label missing detection platform and method |
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| Publication number | Publication date |
|---|---|
| CN106040608B (en) | 2019-02-22 |
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Granted publication date: 20190222 |