CN206095970U - Planar defect specular reflection detection device in ABS ring gear - Google Patents
Planar defect specular reflection detection device in ABS ring gear Download PDFInfo
- Publication number
- CN206095970U CN206095970U CN201621111708.5U CN201621111708U CN206095970U CN 206095970 U CN206095970 U CN 206095970U CN 201621111708 U CN201621111708 U CN 201621111708U CN 206095970 U CN206095970 U CN 206095970U
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- China
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- camera
- linear array
- array ccd
- abs gear
- gear rings
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Abstract
The utility model discloses a planar defect specular reflection detection device in ABS ring gear. The utility model provides a ABS ring gear is placed on rotatable locating wheel, and the specular reflection device is fixed on the reflector mounting. Linear array CCD camera fix on camera supporting and with the same height of last reflector, the line width of linear array CCD camera is greater than the ABS ring gear inner face width that awaits measuring, camera supporting's high sweep range according to the camera fixes and makes the ABS ring gear flank of tooth in the sweep range of linear array CCD camera, and the camera height is fixed all the time, linear array CCD camera can be followed slip track back -and -forth movement on the camera supporting and realized the camera regulation of focusing, the line source reaches camera lighting requirements for the illumination of ABS ring gear inner face. The utility model provides an inner face scanning of ABS ring gear has been realized to the facetted mirrors, and the interior initial pattern of ABS ring gear has been restoreed to the at utmost.
Description
Technical field
This utility model belongs to detection technique field, is related in a kind of ABS gear rings based on linear array CCD image treatment technology
Planar defect direct reflection detection means.
Background technology
With extensive application of the automobile in our daily life, the security performance of automobile is also increasingly closed by people
Note, the reliability of automobile ABS system becomes the content of people's growing interest.The height of automobile ABS system reliability, directly affects
To the security of the lives and property and social public order of autoist.In the middle of ABS system, ABS gear rings are system input letters
Number key, it is therefore particularly important to the detection of ABS gear ring defects.
Ferrimagnet being adopted ABS gear rings, such as No. 35 steel, No. 45 steel, its surface adopts zinc-plated or chromium plating mostly more.Production
Using machining or powder metallurgy sintered more than technique, the wherein factor such as processing sequence, die size, technological parameter, time all can
Cause ABS gear ring surface defects.Therefore, ABS gear rings defect type is various, including hypodontia, cut, impression, rusty stain, speckle, product
The number of drawbacks such as liquid.At present, industrial conventional detection method such as Mechanical Method, sciagraphy, tooth sensing detection method etc. is directed to more
Gear ring pitch error is detected that above-mentioned detection method can detect the defects such as hypodontia, cut, impression, but cannot detect
Go out the defect types such as rusty stain speckle, hydrops, it is impossible to effective detection ABS gear ring defect.In addition to above-mentioned detection method, on the market also
Have the method that simulated automotive ABS system working environment carries out ABS gear ring detections, can effective detection ABS gear ring defect, but inspection
Measurement equipment high cost and it is lost big, it can be determined that whether ABS gear rings are defective, but cannot determine defect type.
With the development of computer technology and mathematical theory, linear array CCD image treatment technology is widely used in modern work
The every field of industry, particularly detection field.Application of the linear array CCD image treatment technology in terms of ABS gear ring defects detections, can
Effectively to distinguish ABS gear ring inner face defect types and judge the defect order of severity, planar defect inspection in ABS gear rings can not only be realized
The purpose of survey can also filter out the recoverable gear ring of defect and be repaired, and manufacturer is reduced while improve product quality and is damaged
Lose.
The content of the invention
The deficiency of the background technology for being related to, the purpose of this utility model is to provide planar defect in a kind of ABS gear rings
On-line measuring device.
This utility model solves the technical scheme that its technical problem adopted：
This utility model includes that locating wheel, linear array CCD camera, camera support, sliding rail, specular-reflection unit are fixed
Part, specular-reflection unit.
ABS gear rings are placed in rotatable locating wheel, and specular-reflection unit is fixed on specular-reflection unit fixture.
Described specular-reflection unit includes upper illuminator, lower illuminator and line source；Line source is arranged on the anti-of two panels horizontal symmetry
Between light microscopic, and just to ABS gear ring inner faces, wherein upper illuminator is obliquely straight at 45 ° of installations；Lower illuminator obliquely with
Level installation at 45 °.Linear array CCD camera is fixed on camera support and just to the specular-reflection unit in ABS gear rings central authorities, and upper
Illuminator sustained height, the line width of linear array CCD camera is more than ABS gear rings inner face width to be measured, the height root of camera support
The ABS gear rings flank of tooth is fixed and made according to the sweep limitss of camera in the sweep limitss of linear array CCD camera, and camera heights are solid all the time
Fixed, the sliding rail that linear array CCD camera can be on camera support is movable to realize camera focal adjustment, and line source is ABS teeth
Circle inner face illumination reaches camera and shoots lighting requirement.
Furtherly, described locating wheel is the hollow cylinder structure of round table-like hollow out, and the edge of locating wheel has three to lack
Mouthful.
Compared with background technology, the beneficial effects of the utility model are：
Flank of tooth defect complete line Scanning Detction function in this utility model, ABS gear rings only need to rotate a circle just can be real
The complete line scanning of the existing flank of tooth, and to ABS gear rings, at the uniform velocity whether rotation is not required, and reduces engineering difficulty, improves efficiency, and can
So that all defect of ABS gear ring inner faces all to be detected, detection leakage phenomenon will not be produced.
Locating wheel in this utility model be tower type structure, different shaped of the diameter in tower structure according to required detection
Number gear ring determining, be driven by outside worm screw, three breach at edge are conveniently picked and placeed in the case where positioning is not being affected
Gear ring, improves detection efficiency.
Line source reflector apparatus in this utility model, cause detection ABS gear ring inner faces to be possibly realized by reflection, transport
The reflecting mirror manufactured with high-purity silicon wafer, using total reflection phenomenon, reflection loss is negligible, at utmost reduces ABS teeth
The initial pattern of circle inner face.
Description of the drawings
Fig. 1 is the ABS gear ring inner face on-line detection device of defects based on linear array CCD image treatment technology of the present utility model
Dimensional structure diagram.
Fig. 2 is locating wheel structure chart of the present utility model.
Fig. 3 a and Fig. 3 b are specular-reflection unit structure charts of the present utility model.
Fig. 4 fundamental diagrams of the present utility model.
Fig. 5 is image processing system flow chart of the present utility model.
In figure：1 base, 2 sliding rails, 3 camera supports, 4 linear array CCD cameras, 5 camera lens, 6 reflecting mirrors, 7 linear lights
Source, 8 ABS gear rings, 9 locating wheels, 10 fixed blocks, 11 servomotors, 12 slide blocks.
Specific embodiment
As shown in figure 1, this utility model is based on linear array CCD image treatment technology, using the ABS gear rings of direct reflection principle
Inner face on-line detection device of defects, including it is base 1, sliding rail 2, camera support 3, linear array CCD camera 4, camera lens 5, anti-
Penetrate mirror 6, line source 7, ABS gear rings 8, locating wheel 9, fixed block 10, servomotor 11, slide block 12.Wherein camera lens 5 are one
Times nearly heart camera lens.Servomotor 11 is installed together and on base 1 with fixed block 10, for exporting rotary driving force.
Locating wheel 9 is connected thereto by the output shaft of servomotor 11 and is rotated.ABS gear rings 8 to be measured are installed on locating wheel 9 with servo electricity
The output shaft synchronous of machine 11 are rotated.Linear array CCD camera 4 is installed together with camera lens 5 and just reflecting mirror is placed, and makes
The picture that ABS gear rings 8 are reflected in the middle of the coverage of linear array CCD camera 4, linear array CCD camera 4 and camera support 3 and
Slide block 12 is installed together, and slide block 12 is used in conjunction with each other with sliding rail 2, and sliding rail 2 is arranged on base 1, slide block 12
Move forward and backward on sliding rail 2, focus for linear array CCD camera 4, the height of linear array CCD camera 4 immobilizes.Reflecting mirror 6 is put
The centre in ABS gear rings is put, for reflecting the image of gear ring inner face, line source is positioned at the middle part of reflecting mirror so that
Brightness meets the lighting condition needed for shooting.Specular-reflection unit fixture is placed in a newel of frame connection, and will be fixed
9 sets of position wheel is thereon.The inner face of ABS gear rings 8 is illuminated by line source 7, slide block 12 drives linear array CCD camera 4 to go forward in sliding rail 2
Movement afterwards finds optimal focusing and realizes focusing, and servomotor 11 drives worm-drive locating wheel 9 to rotate, and ABS gear rings 8 are embedded to be put
Put in locating wheel 9 so that ABS gear rings 8 rotate, illuminator 6 is static, make illuminator 6 continuously present overall ABS inner faces and lack
Sunken image.Linear array CCD camera 4 shoots the gray level image and Jing image procossings of ABS gear rings 8 and realizes defects detection.
As shown in Fig. 2 locating wheel 9 is the hollow cylinder structure of round table-like hollow out, there are three breach at the edge of locating wheel,
Gear ring is conveniently picked and placeed in the case of not affecting positioning, efficiency is improved.ABS gear rings 8 are embedded to be placed in locating wheel 9, by locating wheel 9
ABS gear rings 8 are driven to rotate.
As shown in Figure 3 a, line source 7 is positioned at the middle part of reflecting mirror 6,2 illuminators 6 each towards inner side, up and down
Each one piece is attached, and 2 illuminators 6 are all straight at 45° angle.Line source 7 is respectively placed in the inclination between 2 illuminators 6
In shrinkage pool；Inside the embedded reflector mount of the line source as shown in Fig. 3 b detail views, with the horizontal certain angle ABS gear rings 8 are illuminated
Inner face, adjusting light-source brightness makes the inner face brightness of ABS gear rings 8 reach the photographing request of linear array CCD camera 4.
As shown in figure 4, using MSP430 Single-chip Controlling servomotor 11 so that ABS gear rings 8 to be measured are with servomotor 11
Output shaft synchronous rotation, linear array CCD camera 4 shoots picture and transfers data to image processing system and carry out data processing,
And result is transferred to into MSP430 single-chip microcomputers by serial communication circuit, MSP430 single-chip microcomputers obtain result and control servo
Motor quits work, and detection is completed.In detection process, ABS gear rings 8 reach at the uniform velocity rotation and need one due to due to acceleration
Fix time, when it reaches at the uniform velocity rotates, MSP430 single-chip microcomputers control image processing system and start work by serial communication circuit
Make, the picture transfer that at this moment linear array CCD camera 4 is collected could really be processed to image processing system.
As shown in figure 5, after linear array CCD camera 4 shoots picture and transfers data to image processing system, image procossing
System is through including dash area in addition to defect of binaryzation, filtering, denoising, elimination, acquisition defect characteristic parameter, determining whether
Qualified process, completes a complete image processing procedure.
The complete scan of planar defect is detected specifically in ABS gear rings 8：Linear array CCD camera 4 can when ABS gear rings 8 rotate
Enter line scan, ABS gear rings need to only rotate and complete a circle, linear array CCD camera 4 is realized by reflecting mirror 6 to the inner face of ABS gear rings 8
The complete line scanning of one week, can obtain the complete image information of the inner face of ABS gear rings 8, and whether realization contains to the inner face of ABS gear rings 8
Defective complete scan.Linear array CCD camera in this utility model has that sensitivity is high, dynamic range is big, cost performance is high
Feature, can be with real-time Transmission light-to-current inversion signal and scanning speed is fast, frequency response is high, it is possible to achieve on-line dynamic measurement, and
Can work under low illuminance, simple structure cost is relatively low；Camera heights highly determine according to locating wheel, it is ensured that ABS to be measured
Gear ring no longer needs movement within the scope of camera scanning after height determines, for the ABS gear rings of different model can pass through
Software design patterns pixel coverage.
Linear array CCD image treatment technology come realize ABS gear ring inner faces gray level image reappear and defects detection specifically：Line
Array CCD camera 4, built-in line scan image sensor adjusts light angle of the linear array CCD camera 4 with reflecting mirror 6 and brightness, makes ABS
The brightness of the inner face of gear ring 8 reflection reaches the photographing request of linear array CCD camera 4.The line width scope of linear array CCD camera 4 is more than ABS teeth
The face width of tooth of circle, therefore the height of camera need not be adjusted according to the change of ABS gear ring width specifications；Can be by carrying
The design of the locating wheel 9 of ABS gear rings 8 and the initial positional relationship of linear array CCD camera 4, it is ensured that in rotation sweep detection process
The reflected image of the inner face of ABS gear rings 8 to be measured falls all the time in fixed CCD pixel unit.Linear array CCD camera 4 is in ABS gear rings 8
The inner face of ABS gear rings 8 is imaged into line scan during rotation, rotation obtains the inner face complete image of a week of ABS gear rings 8 after turning around.
Linear array CCD camera 4 is connected with computer, computer is transferred to the ccd image data for obtaining are scanned by line, by software
Selected pixels value scope, obtains the effectively inner face data message of ABS gear rings to be measured 8, removes hash, is compiled line using program
Scanning gained image mosaic realizes the reproduction of the inner face gray level image of ABS gear rings 8, and to image through including binaryzation, filtering, go
Make an uproar etc. and to process, realize the removal of image data noise, reject because the shade that causes of illumination reason, the unusual part in image
Retain, and the abnormal data according to corresponding to different defect types, which kind of the characteristics of image of induction and conclusion associated disadvantages, judgement is
Defect type.
Claims (2)
1. a kind of planar defect direct reflection detection means in ABS gear rings, the device includes locating wheel, linear array CCD camera, camera
Frame, sliding rail, specular-reflection unit fixture, specular-reflection unit, it is characterised in that：
ABS gear rings are placed in rotatable locating wheel, and specular-reflection unit is fixed on specular-reflection unit fixture；It is described
Specular-reflection unit include upper illuminator, lower illuminator and line source；Line source is arranged on the illuminator of two panels horizontal symmetry
Between, and just to ABS gear ring inner faces, wherein upper illuminator is obliquely straight at 45 ° of installations；Lower illuminator obliquely with level
Installation at 45 °；Linear array CCD camera is fixed on camera support and just to the specular-reflection unit in ABS gear rings central authorities, reflective with upper
Mirror sustained height, the line width of linear array CCD camera is more than ABS gear rings inner face width to be measured, and the height of camera support is according to phase
The sweep limitss of machine are fixed and make the ABS gear rings flank of tooth in the sweep limitss of linear array CCD camera, and camera heights are fixed all the time,
Linear array CCD camera can be on camera support sliding rail it is movable realize camera focal adjustment, line source is in ABS gear rings
Face illumination reaches camera and shoots lighting requirement.
2. planar defect direct reflection detection means in a kind of ABS gear rings according to claim 1, it is characterised in that：It is described
Locating wheel be round table-like hollow out hollow cylinder structure, there are three breach at the edge of locating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111708.5U CN206095970U (en) | 2016-10-11 | 2016-10-11 | Planar defect specular reflection detection device in ABS ring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111708.5U CN206095970U (en) | 2016-10-11 | 2016-10-11 | Planar defect specular reflection detection device in ABS ring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095970U true CN206095970U (en) | 2017-04-12 |
Family
ID=60414039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621111708.5U Expired - Fee Related CN206095970U (en) | 2016-10-11 | 2016-10-11 | Planar defect specular reflection detection device in ABS ring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095970U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110574359A (en) * | 2017-05-16 | 2019-12-13 | 富士胶片株式会社 | image pickup apparatus and image synthesizing apparatus |
| CN110726669A (en) * | 2019-08-31 | 2020-01-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
-
2016
- 2016-10-11 CN CN201621111708.5U patent/CN206095970U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110574359A (en) * | 2017-05-16 | 2019-12-13 | 富士胶片株式会社 | image pickup apparatus and image synthesizing apparatus |
| CN110574359B (en) * | 2017-05-16 | 2021-03-02 | 富士胶片株式会社 | Image pickup apparatus and image synthesizing apparatus |
| US11012607B2 (en) | 2017-05-16 | 2021-05-18 | Fujifilm Corporation | Imaging apparatus and image composition apparatus |
| CN110726669A (en) * | 2019-08-31 | 2020-01-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
| CN110726669B (en) * | 2019-08-31 | 2022-05-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20171011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |