CN103913459A - Lamp head tin scolding contact qualified rate detecting device and method - Google Patents
Lamp head tin scolding contact qualified rate detecting device and method Download PDFInfo
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Abstract
The invention discloses a lamp head tin scolding contact qualified rate detecting device and a method. The lamp head tin scolding contact qualified rate detecting device comprises a rotating disk, a rotating disk stopping baffle plate position detector, lamp position fixing clamps, a pedestal support, a video image acquisition device, an image processing subsystem, and a liquid crystal display screen; the rotating disk is used for delivering lamps to be detected at certain time intervals with certain distance; the rotating disk stopping baffle plate position detector is used for determining settled rotating distance of the rotating disk; the lamp position fixing clamps are used for settling orientation and distance of the lamps; the video image acquisition device is used for completing acquisition and sending of image data of a top view and a right lateral view; the image processing subsystem is used for processing and determining of real-time imagines via certain detecting algorithm; and the liquid crystal display screen is used for displaying finished results. The lamp head tin scolding contact qualified rate detecting device is capable of solving problems of artificial naked eye discrimination that labor cost is high, fatigue is caused easily, and detection accuracy rate is low; detection can be carried out for 24 hours; labor cost is reduced; and detection efficiency and accuracy rate are increased at the same time.
Description
Technical field
The present invention relates to scolding tin contact detection field, be specifically related to a kind of light bulb head scolding tin contact qualification rate pick-up unit and method.
Background technology
Incandescent lamp Production line line technology has dropped into factory in China and has moved nearly 30 years, and technology realizes and mostly is mechanical hook-up, lacks the fusion of the infotech of New Times.In the production subsequent handling of incandescent lamp, there is a procedure to shear and scolding tin sealing the seal wire that leaks outside of light bulb head.The streamline of machinery lacks the qualified detection of product timely, and seal wire is sheared the accuracy that relies on mechanical hook-up completely.But aging along with bulb streamline, the accuracy of machine declines, and occurs that seal wire shears defective problem thereupon.At present, detecting for the scolding tin contact of incandescent lamp holder is to rely on manually to carry out unaided eye discrimination, and has or not to leak outside according to lamp holder seal wire and select.The manual detection duration is short, and whole detection recognition efficiency is low, selects substandard products not prompt enough.And need extra station to detect, increased factory overheads cost.Meanwhile, work is dull to be repeated, naked eyes fatiguability, and it is poor that manual detection continues to focus on task at hand, and impact detects effect to a great extent.
Summary of the invention
The shortcoming that the object of the invention is to overcome prior art, with not enough, provides a kind of light bulb head scolding tin contact qualification rate pick-up unit.
Another object of the present invention is to, the detection method of a kind of light bulb head scolding tin contact qualification rate pick-up unit is provided.
In order to reach above-mentioned the first object, the present invention by the following technical solutions:
A kind of light bulb head scolding tin contact qualification rate pick-up unit, comprise the rotating disk that transmits bulb to be detected for timing set a distance, be used to turntable rotation fixed range that the rotating disk retaining catch Board position detecting device of judgement is provided, the image data acquiring of light bulb head and the video image acquisition equipment of transmission are used for, be used for the image processing subsystem of realtime graphic processing, for the intermediate result demonstration of processing procedure image processing and the display of last result demonstration and the base seat support for fixed video image capture device and rotating disk retaining catch Board position detecting device are provided, on described rotating disk, be evenly provided with the fixing pincers in multiple lamps position, and below the fixing pincers in each lamp position, be provided with a rotating disk and stop baffle plate, the center line that the fixing pincers in lamp position and rotating disk stop baffle plate overlapping, thereby fixing position of clamping, lamp position is differentiated in the position that can stop baffle plate according to rotating disk.
Preferably, described base seat support is travel(l)ing rest, and top active branch parts, intermediate active branch components and bottom active branch parts are installed respectively; Wherein top movable branch components and intermediate active branch components are respectively installed respectively a video image acquisition equipment, top movable branch components by video image acquisition equipment be fixedly mounted on light bulb head directly over, for absorbing the vertical view of light bulb head; Medial fascicle parts are fixedly mounted on video image acquisition equipment the front-right of light bulb head, and for absorbing the right view of light bulb head, in same plane, the form of two video image acquisition equipment right angle in 90 ° angles is installed; Described rotating disk retaining catch Board position detecting device is connected with the bottom active branch parts of base seat support.
Preferably, described base seat support is hollow, adopts the signal transmssion line of RCA interface therefrom to pass, and signal transmssion line is for the signal transmission between video image acquisition equipment and image processing subsystem.
Preferably, described video image acquisition equipment comprises: the secondary light source that is used to video image acquisition equipment to provide annular light source to support, for preventing the lampshade of video image acquisition equipment light source disperse and the camera for pickup image; Described secondary light source and camera are arranged in lampshade, and described camera is arranged on the center of secondary light source.
Preferably, described secondary light source is made up of multiple sub-light sources, and multiple sub-light sources are inside and outside two-layer distribution centered by camera, and it is evenly distributed that the sub-light source of internal layer is fixed the angle of circumference of 60 ° between two separately; Outer field sub-light source between two separately the angle of circumference of 30 ° be uniformly distributed; Inner-electron light source is in the middle of two outer sub-light source lamps are distributed in outer sub-light source.
Preferably, described rotating disk retaining catch Board position detecting device adopts Hall element, described rotating disk stops the material of baffle plate employing metal material, by the bottom active branch parts of adjusting base support, Hall element is fixedly mounted on apart from rotating disk and stops baffle plate dead ahead.
Preferably, it is that core is built that described image processing subsystem adopts DM6446 chip, signal gathers by video image acquisition equipment and is passed the signal in image processing subsystem and processed by RCA interface line, data are before processing, carry out digital image decoding by TVP5150 digital decoding chip, the rear data of decoding are sent to DM6446 chip and process, and result is sent to display by composite video signal line and shows.
In order to reach above-mentioned the second object, the present invention by the following technical solutions:
A detection method for light bulb head scolding tin contact qualification rate pick-up unit, comprises the steps:
S1, edge side at rotating disk is evenly fixed pincers in equally spaced multiple lamps position that arranges with identical angle of circumference, the incandescent light bulb head of shearing through the later stage after seal wire operation is fixed on the fixing pincers in described lamp position, below the fixing pincers in each lamp position, be provided with a rotating disk simultaneously and stop baffle plate, the center line that the fixing pincers in lamp position and rotating disk stop baffle plate overlapping, thereby the position of the fixing pincers in lamp position is differentiated in the position that can stop baffle plate according to rotating disk, in the time interval of setting, rotating disk is by the drive of gear, bulb is moved to next position with the distance of fixing, realize the mass processing of bulb processing,
S2, respectively by vertical view and the right side view of two video image acquisition equipment picked-up bulbs, in same plane, the form of two video image acquisition equipment right angle in 90 ° angles is installed;
S3, detect the position of the fixing pincers in lamp position by rotating disk retaining catch Board position detecting device, in dial rotation process, rotating disk retaining catch Board position detecting device detects the variation of inductance, the output level of rotating disk retaining catch Board position detecting device transfers low level to by high level, represent that turntable rotation is to the position of the fixing pincers in lamp position, now rotating disk stops, rotating disk delayed startup relay starts to countdown, after countdown finishes, rotating disk restarts rotation, rotating disk retaining catch Board position detecting device detects the variation of inductance, again transfer high level to by low level, prepare for detecting the fixing pincers in the next light position,
S4, when the delayed startup relay of rotating disk starts meter reciprocal, video image acquisition equipment is clapped respectively vertical view and the right flank view of getting bulb, by inner circuit, the analog video signal of collection is converted to digital video compositing signal, the video compositing signal of collection is being sent to image processing subsystem by the signal transmssion line of RCA interface after over-sampling, quantification and analog to digital conversion work, and the signal transmssion line of described RCA interface is arranged in the base seat support of hollow;
S5, first the video data that is sent to image processing subsystem by the signal transmssion line of RCA interface is carried out to digital image decoding by TVP5150 digital decoding chip, then data after decoding being sent to DM6446 chip processes, DM6446 chip internal ARM core is responsible for the resource management of whole system and the management of Processing tasks, DM6446 chip internal DSP core is processed and detection algorithm by the image that loads the work of specifically developed responsible view data fast processing, by this specific detection algorithm, image is calculated, whether qualified judge, and result is presented in liquid crystal display, result is sent to next device with signal form simultaneously, bulb is shunted.
Preferably, the detection method of described a kind of light bulb head scolding tin contact qualification rate pick-up unit, the image of described responsible view data fast processing work is processed and detection algorithm comprises the following steps:
S91, from the video image of video image acquisition equipment collection, shear out the subregion of image of interest;
S92, extraction subregion image outline, separate light bulb head and rotating disk from black background;
The contrast of light bulb head welding wire and rotating disk in S93, increase rotating disk;
S94, carry out global threshold, the image after thresholding is carried out to two-value reversion, judge the area of white pixel point, if be greater than overall threshold values, be considered as defectively, be less than overall threshold values, it is qualified to be considered as.
The present invention has following advantage and effect with respect to prior art:
1, the present invention can utilize this device to replace manual working, reduces plant produced cost, discharges unnecessary yield-power.Power stable in the situation that at pick-up unit, can realize continuous continual work in 24 hours, effectively carry out round-the-clock detection and then improved the qualification rate detecting.In time the substandard products that detect are reprocessed, save production starting material, effectively improve the overall acceptability rate of product.
2, video image acquisition equipment disclosed by the invention adopts annular light source, solution illuminated object is the serious situation of surface reflection due to single light source, reduce the noise phenomenon that single light source produces simultaneously, highly kept the information of source images, for follow-up processing is given security.
3, pick-up unit easy accessibility of the present invention, is conducive to the repairing of the maintenance of detection system.
Brief description of the drawings
Fig. 1 is the one-piece construction figure of scolding tin contact detection device of the present invention;
Fig. 2 is the structural drawing that in scolding tin contact detection device of the present invention, camera is detected in scolding tin contact;
In figure, Reference numeral is: 1-video image acquisition equipment, 2-base seat support, 3-display screen, 4-rotating disk stops baffle plate, 5-rotating disk, the fixing pincers in 6-lamp position, 7-rotating disk retaining catch Board position detecting device, 8-image processing subsystem, 9-secondary light source, 10-lampshade, 11-camera.
Embodiment
Below in conjunction with embodiment and accompanying drawing 1 and accompanying drawing 2, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, a kind of light bulb head scolding tin contact qualification rate pick-up unit, comprises rotating disk 5, the fixing pincers 6 in lamp position, rotating disk retaining catch Board position detecting device 7, base seat support 2, video image acquisition equipment 1, image processing subsystem 8 and display screen 3.
Base seat support 2 is travel(l)ing rest, and top active branch parts, intermediate active branch components and bottom active branch parts are installed respectively, can adjust easily according to site environment, and can pin in desirable position.Top on support and medial fascicle parts are installed respectively two video image acquisition equipment 1, wherein video image acquisition equipment 1 comprises secondary light source 9, lampshade 10 and camera 11, in same plane, the form of two camera right angle in 90 ° angles is installed.The bottom branch components of base seat support 2 is provided with rotating disk retaining catch Board position detecting device 7, rotating disk retaining catch Board position detecting device 7 adopts Hall element, for detection of the position of the fixing pincers 6 in lamp position, regulate the distance of Hall element and baffle plate, conventionally regulate and Hall element is installed in the position in 1 centimetre of dead ahead that stops baffle plate 4 apart from rotating disk, make the effective range of distance of reaction at Hall element.Base seat support 2 is hollow, and signal transmssion line therefrom passes, and signal transmssion line is for the signal transmission between video image acquisition equipment 1 and image processing subsystem 8.
Its turntable 5 provides the streamline of rotation for image identification and detection system, the fixing pincers 6 in 12 lamp positions are arranged at the edge side of rotating disk 5, and below the fixing pincers 6 in each lamp position, be provided with a rotating disk and stop baffle plate 4, the center line that the fixing pincers 6 in lamp position and rotating disk stop baffle plate 4 overlaps, thereby the position of the fixing pincers 6 in lamp position is differentiated in the position that can stop baffle plate 4 according to rotating disk.The fixing pincers 6 in lamp position stretch out the background baffle plate of taking pictures of a black, the image of every so secondary picked-up, and its background becomes black, is conducive to the follow-up dividing processing of image.In interval, by the drive of gear, bulb is moved to next position with the distance of fixing at a fixed time, realizes the mass processing of bulb processing.
Rotating disk retaining catch Board position detecting device 7 adopts Hall element, and rotating disk stops baffle plate 4 and adopts metal material, can cause that the level of Hall element changes in short distance.In dial rotation process, Hall element detects the variation of inductance, when the output level of Hall element transfers low level to by high level, represent that turntable rotation is to the position of the fixing pincers 6 in lamp position, now rotating disk stops, rotating disk delayed startup relay starts two reciprocal sec timing, and camera is clapped vertical view and the right flank view of getting bulb simultaneously.After two seconds, rotating disk restarts rotation, and Hall element detects the variation of inductance, again transfers high level to by low level, prepares for detecting the fixing pincers 6 in the next light position.
Image processing subsystem 8 is processed and image calculation function for bulb scolding tin contact detection device provides signal, and it is mainly the digital processing system of building taking DM6446 chip as core.Signal gathers by video image acquisition equipment 1, inputs (RCA) interface line signal is inputted by normal video.Signal carries out digital image decoding by TVP5150 digital decoding chip, and the rear data of decoding are sent to DM6446 chip and process.Chip internal ARM core is responsible for the resource management of whole system and the management of Processing tasks.Inner DSP core, by loading specifically developed image processing algorithm, is responsible for the fast processing work of view data.The view data of handling well is sent to liquid crystal display by video signal cable.Two cores of chip internal are processed respectively affairs separately, cooperative cooperating, and result is real-time.
For light bulb head scolding tin contact qualification rate pick-up unit provides, result shows display 3, intermediate treatment result is shown, for user and developer provide overview function.Its input signal is Video Graphics Array VGA form or composite video signal form.
Shear after seal wire in incandescent lamp later stage operation, be fixed on the video image acquisition equipment 1 on base seat support 2, vertical view and the right hand view of picked-up light bulb head, carry out sampling, quantification and analog to digital conversion work.The video compositing signal gathering is sent to image processing subsystem 8 by RCA plug cord, image processing subsystem 8 calculates image by specific detection algorithm, whether qualified judge, and result is presented in liquid crystal display, result is sent to next device with signal form simultaneously, bulb is shunted.
As shown in Figure 2, a kind of video image acquisition equipment for light bulb head scolding tin contact qualification rate pick-up unit, comprises secondary light source 9, lampshade 10 and camera 11.
Secondary light source 9 is used to video image acquisition equipment that annular light source support is provided, and adopts common LED miniature bulb annular to line up separately two rings.Interior ring becomes regularly arranged by 6 miniature bulbs and forms, and taking the center of camera as standard, fixes separately the angle of circumference of 60 degree between two and arrange forming.Outer shroud is arranged and is formed by 12 miniature bulbs, also taking the center of camera as be separated by the between two angle of circumference of fixing 30 degree of standard is arranged and formed.The bulb of inner and outer ring becomes cross arrangement effect simultaneously, and interior ring miniature bulb is in the middle of two outer shroud bulbs are distributed in the bulb of outer shroud.Adopt such source layout to overcome the uneven illumination of single light source generation and reflective phenomenon, the favourable noise that has reduced single light source generation.
Lampshade 10 is for preventing the disperse of video image acquisition equipment light source, and lampshade surface adopts black can effectively absorb external light source, prevents the interference of extraneous light.
Camera 11 is positioned at the center of video image acquisition equipment, is general industrial camera, adopts 220v civil power that power supply is provided.Be output as the composite video signal that brightness and colourity mix.Be sent to image processing subsystem 8 by RCA interface signal line.Two cameras absorb respectively vertical view and right hand view in position in 90 ° mutually.Camera can regulate by the turning joint of base seat support apart from the distance of bulb, and carries out focusing according to given fixed range.
The detection method of a kind of light bulb head scolding tin contact qualification rate pick-up unit of the present embodiment, comprises the steps:
S1, edge side at rotating disk 5 is evenly fixed pincers 6 in equally spaced multiple lamps position that arranges with identical angle of circumference, the incandescent light bulb head of shearing through the later stage after seal wire operation is fixed on the fixing pincers 6 in described lamp position, below the fixing pincers 6 in each lamp position, be provided with a rotating disk simultaneously and stop baffle plate 4, the center line that the fixing pincers 6 in lamp position and rotating disk stop baffle plate 4 overlaps, thereby the position of the fixing pincers 6 in lamp position is differentiated in the position that can stop baffle plate 4 according to rotating disk, in the time interval of setting, rotating disk 5 is by the drive of gear, bulb is moved to next position with the distance of fixing, realize the mass processing of bulb processing,
S2, respectively by vertical view and the right side view of two video image acquisition equipment picked-up bulbs, in same plane, the form of two video image acquisition equipment right angle in 90 ° angles is installed;
S3, detect the position of the fixing pincers in lamp position by rotating disk retaining catch Board position detecting device, in rotating disk 5 rotation processes, rotating disk retaining catch Board position detecting device detects the variation of inductance, the output level of rotating disk retaining catch Board position detecting device transfers low level to by high level, represent that turntable rotation is to the position of the fixing pincers 6 in lamp position, now rotating disk stops, rotating disk delayed startup relay starts to countdown, after countdown finishes, rotating disk restarts rotation, rotating disk retaining catch Board position detecting device detects the variation of inductance, again transfer high level to by low level, prepare for detecting the fixing pincers 6 in the next light position,
S4, when the delayed startup relay of rotating disk 5 starts meter reciprocal, video image acquisition equipment 1 is clapped respectively vertical view and the right flank view of getting bulb, the video compositing signal of collection is being sent to image processing subsystem 8 by the signal transmssion line of RCA interface after over-sampling, quantification and analog to digital conversion work, and the signal transmssion line of described RCA interface is arranged in the base seat support 2 of hollow;
S5, first the video data that is sent to image processing subsystem 8 by the signal transmssion line of RCA interface is carried out to digital image decoding by TVP5150 digital decoding chip, then data after decoding being sent to DM6446 chip processes, DM6446 chip internal ARM core is responsible for the resource management of whole system and the management of Processing tasks, DM6446 chip internal DSP core is processed and detection algorithm by the image that loads the work of specifically developed responsible view data fast processing, by this specific detection algorithm, image is calculated, whether qualified judge, and result is presented in liquid crystal display 3, result is sent to next device with signal form simultaneously, bulb is shunted.In above-mentioned step S5, the image of described responsible view data fast processing work is processed and detection algorithm comprises the following steps:
First, from the video image of video image acquisition equipment collection, shear out the subregion of image of interest, be reduced to this zonule through shearing aftertreatment object, and result can not affect;
Then, extract subregion image outline, light bulb head and rotating disk are separated from black background;
Then, the contrast of light bulb head welding wire and rotating disk in increase rotating disk;
Finally, carry out global threshold, the image after thresholding is carried out to two-value reversion, judge the area of white pixel point, if be greater than overall threshold values, be considered as defectively, be less than overall threshold values, it is qualified to be considered as.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (9)
1. a light bulb head scolding tin contact qualification rate pick-up unit, it is characterized in that: comprise the rotating disk (5) that transmits bulb to be detected for timing set a distance, be used to turntable rotation fixed range that the rotating disk retaining catch Board position detecting device (7) of judgement is provided, the image data acquiring of light bulb head and the video image acquisition equipment (1) of transmission are used for, be used for the image processing subsystem (8) of realtime graphic processing, for the intermediate result demonstration of processing procedure image processing and the display (3) of last result demonstration and the base seat support (2) for fixed video image capture device (1) and rotating disk retaining catch Board position detecting device (7) are provided, on described rotating disk (5), be uniformly-spaced provided with the fixing pincers in multiple lamps position (6), and fixing pincers (6) below is provided with a rotating disk and stops baffle plate (4) in each lamp position, the center line that the fixing pincers in lamp position (6) and rotating disk stop baffle plate (4) overlaps, thereby fixing position of clamping (6), lamp position is differentiated in the position that can stop baffle plate (4) according to rotating disk.
2. a kind of light bulb head scolding tin according to claim 1 contact qualification rate pick-up unit, it is characterized in that: described base seat support (2) is travel(l)ing rest, and top active branch parts, intermediate active branch components and bottom active branch parts are installed respectively; Wherein top movable branch components and intermediate active branch components are respectively installed respectively a video image acquisition equipment (1), top movable branch components by video image acquisition equipment be fixedly mounted on light bulb head directly over, for absorbing the vertical view of light bulb head; Medial fascicle parts are fixedly mounted on video image acquisition equipment the front-right of light bulb head, and for absorbing the right view of light bulb head, in same plane, the form of two video image acquisition equipment right angle in 90 ° angles is installed; Described rotating disk retaining catch Board position detecting device (7) is connected with the bottom active branch parts of base seat support (2).
3. a kind of light bulb head scolding tin according to claim 1 and 2 contact qualification rate pick-up unit, it is characterized in that: described base seat support (2) is hollow, adopt the signal transmssion line of RCA interface therefrom to pass, signal transmssion line is for the signal transmission between video image acquisition equipment (1) and image processing subsystem (8).
4. a kind of light bulb head scolding tin according to claim 1 contact qualification rate pick-up unit, it is characterized in that: the secondary light source that is used to video image acquisition equipment to provide annular light source to support is provided described video image acquisition equipment (1), for preventing the lampshade of video image acquisition equipment light source disperse and the camera for pickup image; Described secondary light source and camera are arranged in lampshade, and described camera is arranged on the center of secondary light source.
5. a kind of light bulb head scolding tin according to claim 4 contact qualification rate pick-up unit, it is characterized in that: described secondary light source is made up of multiple sub-light sources, multiple sub-light sources are inside and outside two-layer distribution centered by camera, and it is evenly distributed that the sub-light source of internal layer is fixed the angle of circumference of 60 ° between two separately; Outer field sub-light source between two separately the angle of circumference of 30 ° be uniformly distributed; Inner-electron light source is in the middle of two outer sub-light source lamps are distributed in outer sub-light source.
6. a kind of light bulb head scolding tin according to claim 2 contact qualification rate pick-up unit, it is characterized in that: described rotating disk retaining catch Board position detecting device (7) adopts Hall element, described rotating disk stops the material of baffle plate (4) employing metal material, by the bottom active branch parts of adjusting base support (2), Hall element is fixedly mounted on apart from rotating disk and stops baffle plate (4) dead ahead.
7. a kind of light bulb head scolding tin according to claim 1 contact qualification rate pick-up unit, it is characterized in that: it is that core is built that described image processing subsystem (8) adopts DM6446 chip, signal gathers by video image acquisition equipment (1) and is passed the signal in image processing subsystem (8) and processed by RCA interface line, data are before processing, carry out digital image decoding by TVP5150 digital decoding chip, the rear data of decoding are sent to DM6446 chip and process, result is sent to display (3) by composite video signal line and shows.
8. according to the detection method of a kind of light bulb head scolding tin contact qualification rate pick-up unit described in any one in claim 1-7, it is characterized in that, comprise the steps:
S1, edge side at rotating disk (5) is evenly fixed pincers (6) in equally spaced multiple lamps position that arranges with identical angle of circumference, the incandescent light bulb head of shearing through the later stage after seal wire operation is fixed on the fixing pincers in described lamp position (6), below fixing pincers (6), be provided with a rotating disk in each lamp position simultaneously and stop baffle plate (4), the center line that the fixing pincers in lamp position (6) and rotating disk stop baffle plate (4) overlaps, thereby the position of the fixing pincers in lamp position (6) is differentiated in the position that can stop baffle plate (4) according to rotating disk, in the time interval of setting, rotating disk (5) is by the drive of gear, bulb is moved to next position with the distance of fixing, realize the mass processing of bulb processing,
S2, respectively by vertical view and the right side view of two video image acquisition equipment picked-up bulbs, in same plane, the form of two video image acquisition equipment right angle in 90 ° angles is installed;
S3, detect the position of the fixing pincers in lamp position by rotating disk retaining catch Board position detecting device, in rotating disk (5) rotation process, rotating disk retaining catch Board position detecting device detects the variation of inductance, the output level of rotating disk retaining catch Board position detecting device transfers low level to by high level, represent that turntable rotation is to the position of the fixing pincers in lamp position (6), now rotating disk stops, rotating disk delayed startup relay starts to countdown, after countdown finishes, rotating disk restarts rotation, rotating disk retaining catch Board position detecting device detects the variation of inductance, again transfer high level to by low level, prepare for detecting the fixing pincers in the next light position (6),
S4, when the delayed startup relay of rotating disk (5) starts meter reciprocal, video image acquisition equipment (1) is clapped respectively vertical view and the right flank view of getting bulb, by inner circuit, the analog video signal of collection is converted to digital video compositing signal, be sent to image processing subsystem (8) by the signal transmssion line of RCA interface, the signal transmssion line of described RCA interface is arranged in the base seat support (2) of hollow;
S5, first the video data that is sent to image processing subsystem (8) by the signal transmssion line of RCA interface is carried out to digital image decoding by TVP5150 digital decoding chip, then data after decoding being sent to DM6446 chip processes, DM6446 chip internal ARM core is responsible for the resource management of whole system and the management of Processing tasks, DM6446 chip internal DSP core is processed and detection algorithm by the image that loads the work of specifically developed responsible view data fast processing, by this specific detection algorithm, image is calculated, whether qualified judge; And it is upper that result is presented to liquid crystal display (3), result is sent to next device with signal form simultaneously, and bulb is shunted.
9. the detection method of a kind of light bulb head scolding tin contact qualification rate pick-up unit described according to Claim 8, is characterized in that, the image of described responsible view data fast processing work is processed and detection algorithm comprises the following steps:
S91, from the video image of video image acquisition equipment collection, shear out the subregion of image of interest;
S92, extraction subregion image outline, separate light bulb head and rotating disk from black background;
The contrast of light bulb head welding wire and rotating disk in S93, increase rotating disk;
S94, carry out global threshold, the image after thresholding is carried out to two-value reversion, judge the area of white pixel point, if be greater than overall threshold values, be considered as defectively, be less than overall threshold values, it is qualified to be considered as.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106441102A (en) * | 2016-11-07 | 2017-02-22 | 安图实验仪器(郑州)有限公司 | Incubation disk template beating degree detecting method of full automatic chemical lighting tester |
| CN106441102B (en) * | 2016-11-07 | 2019-12-03 | 安图实验仪器(郑州)有限公司 | Full-automatic chemiluminescence analyzer is incubated for disk module beating degree detection method |
| CN106643503A (en) * | 2017-01-09 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Object information detection method and terminal thereof |
| CN106705853A (en) * | 2017-03-07 | 2017-05-24 | 江苏雷利电机股份有限公司 | Imaging device for sorting machine |
| CN111389755A (en) * | 2019-12-23 | 2020-07-10 | 宁波凯耀电器制造有限公司 | Lamp cup glue detection device and detection method thereof |
| CN112833779A (en) * | 2020-12-29 | 2021-05-25 | 深圳市裕展精密科技有限公司 | Positioning detection method and positioning detection device |
| CN114754712A (en) * | 2022-04-12 | 2022-07-15 | 无锡九霄科技有限公司 | Circle run-out detection device for precision shaft parts |
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| CN103913459B (en) | 2016-03-02 |
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