CN207248491U - Vertical cylindrical mirror transmits eccentricity tester - Google Patents
Vertical cylindrical mirror transmits eccentricity tester Download PDFInfo
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- CN207248491U CN207248491U CN201721266985.8U CN201721266985U CN207248491U CN 207248491 U CN207248491 U CN 207248491U CN 201721266985 U CN201721266985 U CN 201721266985U CN 207248491 U CN207248491 U CN 207248491U
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- cylindrical mirror
- vertical cylindrical
- type support
- optical imaging
- parallel light
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- Length Measuring Devices By Optical Means (AREA)
Abstract
Vertical cylindrical mirror transmits eccentricity tester, belongs to cylindrical mirror bias imaging detection device.The vertical cylindrical mirror transmission eccentricity tester includes stand type support, parallel light tube system is equipped with below stand type support, parallel light tube system front end is equipped with steering prism system, turn to and be equipped with XY two-dimensional movement platforms and rotating platform successively above prism system, rotating platform is equipped with detecting tool fixture, optical imaging system is equipped with above detecting tool fixture, optical imaging system is slidably matched in stand type support.The vertical cylindrical mirror transmission eccentricity tester of the utility model is simple in structure, design is reasonable, it is easy to operate, it instead of traditional amesdial measurement method, use computer digital image treatment technology instead, measurement accuracy and repeatable accuracy are not only increased, also effectively increases the detection efficiency of worker, the processing yields to cylindrical mirror has also obtained effective lifting.
Description
Technical field
The utility model belongs to cylindrical mirror bias imaging detection device, and in particular to a kind of vertical eccentric inspection of cylindrical mirror transmission
Look into instrument.
Background technology
The instrument of existing evaluation cylindrical mirror bias is few, typically with the height at four angles of amesdial detection cylindrical mirror
To evaluate the quality of cylindrical mirror eccentric processing, the precision so detected is very low, if the level height of four angle detections is inconsistent,
Some artificial errors can be brought into, cause to judge by accident.
Utility model content
In view of the problems of the existing technology, the purpose of this utility model is that design provides a kind of vertical cylindrical mirror transmission
The technical solution of eccentricity tester.
The vertical cylindrical mirror transmission eccentricity tester, including stand type support, it is characterised in that the stand type support
Lower section is equipped with parallel light tube system, and the parallel light tube system front end is equipped with steering prism system, and described turns
XY two-dimensional movement platforms and rotating platform are equipped with above to prism system successively, the rotating platform is equipped with detection work
Clamps, detecting tool fixture top are equipped with optical imaging system, and the optical imaging system is slidably matched
In stand type support.
The vertical cylindrical mirror transmission eccentricity tester, it is characterised in that the stand type support, which is equipped with, to be used to control
The rotation hand wheel that optical imaging system slides up and down.
The vertical cylindrical mirror transmission eccentricity tester, it is characterised in that the parallel light tube system includes coaxially connecting
Object lens, scale graticle and LED illumination System before the parallel light tube connect.
The vertical cylindrical mirror transmission eccentricity tester, it is characterised in that the optical imaging system includes primary mirror
Cylinder, the body tube bottom set displacement object lens, and top sets area array CCD, and front side sets eyepiece, and left side sets LED coaxial
Lighting system, right side set eyepiece to switch pull rod, area array CCD connection computer.
The vertical cylindrical mirror transmission eccentricity tester of the utility model is simple in structure, and design is reasonable, easy to operate, instead of
Traditional amesdial measurement method, uses computer digital image treatment technology instead, not only increases measurement accuracy and repeatable accuracy,
The detection efficiency of worker is also effectively increased, the processing yields to cylindrical mirror has also obtained effective lifting.
Brief description of the drawings
Fig. 1 is tested cylindrical mirror busbar and Y-direction bias schematic diagram for the utility model；
Fig. 2 is tested cylindrical mirror busbar and X-direction bias schematic diagram for the utility model；
Fig. 3 is tested cylindrical mirror busbar and the inclination angle schematic diagram in sideline for the utility model；
Fig. 4 is the utility model overall structure diagram；
Fig. 5 is the utility model optical imaging system structure diagram；
Fig. 6 is the utility model parallel light tube system structure diagram；
Fig. 7 is tested cylindrical mirror busbar and Y-direction bias image processing software interface for the utility model；
Fig. 8 is tested cylindrical mirror busbar and Y-direction bias image processing method for the utility model；
Fig. 9 is tested cylindrical mirror busbar and X-direction bias image processing software interface for the utility model；
Figure 10 is tested cylindrical mirror busbar and X-direction bias image processing method for the utility model；
Figure 11 is image procossing interface of the utility model to tested cylindrical mirror edge sideline；
Figure 12 is inclination angle image procossing interface of the utility model to tested cylindrical mirror busbar and sideline；
Figure 13 is tested cylindrical mirror busbar and the inclination angle image processing method in sideline for the utility model.
In figure：1- stand type support；2- rotation hand wheels；3- parallel light tube systems；401- bottom plates；402- fixed columns, 5- are turned to
Prism system；6-XY two-dimensional movement platforms；7- rotating platforms；8- detecting tool fixtures；9- is tested cylindrical mirror；10- optical imageries
System；11- area array CCDs；12- eyepieces switch pull rod；13- body tubes；14- replaces object lens；15- eyepieces；16-LED coaxial-illuminatings
System；Object lens before 17- parallel light tubes；18- groove graticles；19-LED lighting systems.
Embodiment
The utility model is further illustrated below in conjunction with Figure of description.
As shown in Fig. 4,5 and 6, vertical cylindrical mirror transmission eccentricity tester includes bottom plate 401, is fixedly installed on bottom plate 401
Fixed column 402, stand type support 1 is fixedly installed in fixed column 402, is slidably matched in stand type support 1 and sets optical imaging system 10,
Fixed column 402, which is equipped with, to be used to control the rotation hand wheel 2 that optical imaging system 10 slides up and down.Optical imaging system 10 includes master
Lens barrel 13,13 bottom of body tube set displacement object lens 14, setting face battle array CCD11, and front side sets eyepiece 15, and left side sets LED same
Axis lighting system 16, right side set eyepiece to switch pull rod 12, and wherein area array CCD 11 connects computer.
Intert in fixed column 402 and parallel light tube system 3 is set, parallel light tube system 3 includes coaxially connected parallel light tube
Preceding object lens 17, scale graticle 18 and LED illumination System 19.The LED illumination System 19 of parallel light tube system 3 is fixed on bottom plate
17 front end of object lens, which is equipped with, on 401, before the parallel light tube of parallel light tube system 3 turns to prism system 5.Turn to prism system 5
Including one group of prism composition for being used to change light path.Turn to the top of prism system 5 and be equipped with 6 He of XY two-dimensional movement platforms successively
Rotating platform 7, rotating platform 7 are equipped with detecting tool fixture 8, and detecting tool fixture 8 is located at the lower section of optical imaging system 10.
Using the method for vertical cylindrical mirror transmission eccentricity tester detection cylindrical mirror, comprise the following steps：
（1）The tested 9 parallel bus direction of cylindrical mirror of detection（Y-direction）Eccentricity detecting, as shown in Figure 1
Tested cylindrical mirror 9 is lain on detecting tool fixture 8, and against a side positioning side of detecting tool fixture 8, is put down
The light that row light pipe system 3 is emitted, which is irradiated to, to be turned on prism system 5, and by turning to prism system 5, XY two-dimensional movement platforms
6th, rotating platform 7 and detecting tool fixture 8, are emitted on tested cylindrical mirror 9, and face battle array is imaged onto by optical imaging system 10
On CCD11, image formed by area array CCD 11 is by the image procossing of computer, specifically：It is each by what is read in area array CCD 11
The image of frame is put into inside memory, then the pixel in scan image per a line, the inside contrast numerical signal per one-row pixels
Extract, find out the highest point of numerical value, then the highest point of every a line is drawn a straight line, and define XY coordinate systems, shape
Into the linear equation a on the positioning side；
Tested cylindrical mirror 9 is rotated 180 degree to lie in again on detecting tool fixture 8, against the positioning side of side, through light
Learn after imaging system 10 is imaged, again by Computer Image Processing, specifically：By the figure of each frame read in area array CCD 11
As being put into inside memory, then the pixel in scan image per a line, the inside contrast numerical signal per one-row pixels is extracted
Come, find out the highest point of numerical value, then the highest point of every a line is drawn a straight line, and define XY coordinate systems, it is fixed to form this
The linear equation b on position side；
As shown in figure 8, position twice is calculated, calculation formula Y（The distance between position twice）=| b-a |,
The line eccentricity value for drawing tested 9 parallel bus direction of cylindrical mirror is Y/2, and angle bias is arctan [(Y/2)/f（Tested cylindrical mirror
Focal length）], COMPUTER DETECTION interface is as shown in Figure 7.For example, two linear equations are a respectively:Y1=5*X1+5, b:Y2=4*X2+
3, take the central point of two straight lines, the position of X=0, Y1=5, Y2=3, Y=| 5-3 |=2, line eccentricity value is Y/2=1, and angle bias is
arctan[(Y/2)/f（Tested cylindrical mirror focal length）], calculated by examples detailed above, it is assumed that tested cylindrical mirror focal length 100, angle bias are
arctan[(Y/2)/f]=arctan1/100=0.57°。
（2）The tested 9 vertical bus direction of cylindrical mirror of detection（X to）Eccentricity detecting, as shown in Figure 2
Tested cylindrical mirror 9 is lain on detecting tool fixture 8, it is parallel against a side positioning side of detecting tool fixture 8
Light pipe system 3 be emitted light be irradiated to turn to prism system 5 on, and by turn to prism system 5, XY two-dimensional movement platforms 6,
Rotating platform 7 and detecting tool fixture 8, are emitted on tested cylindrical mirror 9, are converged by tested cylindrical mirror 9, are imaged onto focus position
Put, the picture of focal position is imaged onto on area array CCD 11 by optical imaging system 10, is led to by image formed by area array CCD 11
Computer Image Processing is crossed, specifically：The image of each frame read in area array CCD 11 is put into inside memory, then scan image
In per a line pixel, per one-row pixels the inside contrast numerical signal extract, find out the highest point of numerical value, then
Draw a straight line per the highest point of a line, and define XY coordinate systems, form the linear equation c on the positioning side；
Tested cylindrical mirror 9 is rotated 180 degree to lie in again on detecting tool fixture 8, equally against a side positioning side, warp
After optical imaging system 10 is imaged, again by Computer Image Processing, specifically：By each frame read in area array CCD 11
Image is put into inside memory, then the pixel in scan image per a line, the inside contrast numerical signal extraction per one-row pixels
Out, the highest point of numerical value is found out, then the highest point of every a line is drawn a straight line, and defines XY coordinate systems, being formed should
Position the linear equation d on side；
As shown in Figure 10, position twice is calculated, formula X（The distance between position twice）=| d-c |, obtain
The line eccentricity value for going out tested 9 vertical bus direction of cylindrical mirror is X/2, and angle bias is arctan [(X/2)/f（Tested cylindrical mirror is burnt
Away from）], computational methods and above-mentioned（1）Identical, COMPUTER DETECTION interface is as shown in Figure 9.
（3）Tested 9 busbar of cylindrical mirror of detection and the inclination angle in sideline, as shown in Figure 3
Tested cylindrical mirror 9 is lain on detecting tool fixture 8, equally the side positioning side against detecting tool fixture 8,
The LED line illumination systems 16 on optical imaging system 10 are opened, the side of tested cylindrical mirror 9 is obtained by optical imaging system 10
The image of edge side, again by Computer Image Processing, as shown in figure 11, forms the linear equation e of the edge side；
The focus chart picture of tested cylindrical mirror 9 is found by optical imaging system 10, again by Computer Image Processing, shape
Into the linear equation f of focus；
As shown in figure 13, position twice is calculated, formula γ（Inclination angle）=arctan[（k2-k1）/(1+
K1*k2)], wherein k1 and k2 is the slope of two linear equations, draws the inclination angles of tested 9 busbar of cylindrical mirror and side
Value, COMPUTER DETECTION interface are as shown in figure 12.For example, two linear equations are e respectively:Y1=5*X1+5, f:Y2=4*X2+3,
γ（Inclination angle）=arctan[（4-5）/(1+4*5)]=2.7°.
Claims (4)
1. vertical cylindrical mirror transmits eccentricity tester, including stand type support（1）, it is characterised in that the stand type support（1）Under
Side is equipped with parallel light tube system（3）, the parallel light tube system（3）Front end is equipped with steering prism system（5）, institute
The steering prism system stated（5）Top is equipped with XY two-dimensional movement platforms successively（6）And rotating platform（7）, the rotation
Platform（7）It is equipped with detecting tool fixture（8）, the detecting tool fixture（8）Top is equipped with optical imaging system
（10）, the optical imaging system（10）Be slidably matched stand type support（1）On.
2. vertical cylindrical mirror transmission eccentricity tester as claimed in claim 1, it is characterised in that the stand type support（1）On
Equipped with for controlling optical imaging system（10）The rotation hand wheel slided up and down（2）.
3. vertical cylindrical mirror transmission eccentricity tester as claimed in claim 1, it is characterised in that the parallel light tube system
（3）Including object lens before coaxially connected parallel light tube（17）, scale graticle（18）And LED illumination System（19）.
4. vertical cylindrical mirror transmission eccentricity tester as claimed in claim 1, it is characterised in that the optical imaging system
Including body tube（13）, the body tube（13）Bottom sets displacement object lens（14）, top sets area array CCD（11）, front side
Eyepiece is set（15）, left side sets LED line illumination systems（16）, right side sets eyepiece to switch pull rod（12）, described face battle array
CCD（11）Connect computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266985.8U CN207248491U (en) | 2017-09-29 | 2017-09-29 | Vertical cylindrical mirror transmits eccentricity tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266985.8U CN207248491U (en) | 2017-09-29 | 2017-09-29 | Vertical cylindrical mirror transmits eccentricity tester |
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| Publication Number | Publication Date |
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| CN207248491U true CN207248491U (en) | 2018-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657957A (en) * | 2019-09-23 | 2020-01-07 | 程宏 | Inclined cylindrical lens eccentricity measuring instrument |
-
2017
- 2017-09-29 CN CN201721266985.8U patent/CN207248491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657957A (en) * | 2019-09-23 | 2020-01-07 | 程宏 | Inclined cylindrical lens eccentricity measuring instrument |
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