CN209280284U - A kind of device of the lens optical centre deviation detection based on direct optical method - Google Patents
A kind of device of the lens optical centre deviation detection based on direct optical method Download PDFInfo
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- CN209280284U CN209280284U CN201920247249.0U CN201920247249U CN209280284U CN 209280284 U CN209280284 U CN 209280284U CN 201920247249 U CN201920247249 U CN 201920247249U CN 209280284 U CN209280284 U CN 209280284U
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Abstract
The device for the lens optical centre deviation detection based on direct optical method that the utility model discloses a kind of, including guide rail and it is disposed side by side on three sliding blocks on guide rail, folder regulating mechanism wherein is installed on the sliding block of side, laser is installed on folder regulating mechanism, it is located in the middle to be equipped on sliding block and tunes mechanism, it tunes and vertical baffle is installed in mechanism, the through-hole for verification is provided on baffle, revolution straight regulating mechanism is installed on the sliding block of the other side, turning round straight regulating mechanism includes traversing slide and revolving platform, traversing slide pinboard is fixed between traversing slide and sliding block, and revolving platform pinboard is fixed between traversing slide and revolving platform, CCD camera lens has been removably installed on the revolving platform.The detection mode for carrying out lens optical centre deviation value using the device of the utility model is more simple and fast, more suitable for the detection operation of batch CCD camera lens.
Description
Technical field
The utility model relates to optical lens detection technique fields, and in particular to a kind of camera lens light based on direct optical method
Learn the device of centre deviation detection.
Background technique
With the propulsion of industry 4.0, industrial vision detection system demand increasingly increases, and surveys to imaging vision system coordinates
The requirement of amount accuracy also increasingly improves.Imaging vision system relies primarily on camera and carries out image data acquisition, camera master
Wanting component part includes imaging sensor and camera lens, such as CCD camera lens and CMOS camera lens, wherein camera lens is made of multi-disc lens.
Lens optical center refers to the intersection point of optical axis and CCD image plane center by lens, due to the originals such as processing, assembling
There are deviations for cause, lens optical center and CCD image plane center, and the deviation cannot achieve world coordinate system if without calibration
Conversion between camera coordinate system, the correct calibration to the parameter are that system realizes the premise accurately measured.
Currently, the detection mode of routine CCD camera lens (camera lens matches CCD component) optical centre deviation is carried out by calibration target
The algorithm complexity of camera calibration, the scaling method is high, and demarcates the accuracy of manufacture and surface reflection characteristic of target itself
Also the stated accuracy of this sensor is directly affected, the detection operation of batch CCD camera lens is not suitable for.
Summary of the invention
The dress for the lens optical centre deviation detection based on direct optical method that the purpose of this utility model is to provide a kind of
It sets, the detection mode for carrying out lens optical centre deviation value using the device is more simple and fast, more suitable for batch CCD camera lens
Detection operation.
The purpose of this utility model is achieved through the following technical solutions: a kind of lens optical based on direct optical method
The device of centre deviation detection, including guide rail and three sliding blocks on guide rail are disposed side by side on, wherein installed on the sliding block of side
There is a folder regulating mechanism, press from both sides and laser is installed on regulating mechanism, be located in the middle to be equipped on sliding block and tune mechanism, tunes and pacify in mechanism
Equipped with vertical baffle, it is provided with the through-hole for verification on baffle, revolution straight regulating mechanism is installed on the sliding block of the other side, is returned
Turning straight regulating mechanism includes traversing slide and revolving platform, traversing slide pinboard is fixed between traversing slide and sliding block, and traversing
It is fixed with revolving platform pinboard between slide and revolving platform, CCD camera lens has been removably installed on the revolving platform.
Further, the folder regulating mechanism includes clamper, clamp support screw rod, adjustment guide block and guide link, institute
It states adjustment guide block and is fixed on sliding block upper surface side, the guide link is fixed on adjustment guide block, and the clamper is fixed on
Clamp support screw rod top, the laser are clamped in clamper, clamp support screw rod lower end pass through guide link and
Guide block is adjusted, and the part that passes through of clamp support screw rod is combined with locking back nut, is provided with and is used on the guide link
Lock the fastening jackscrew of clamp support screw rod.
Further, the mechanism that tunes includes tuning studdle, adjustment guide block and guide link, the adjustment guide block
It is fixed on sliding block upper surface side, the guide link is fixed on adjustment guide block, described to tune studdle upper end and baffle
Underrun is threadedly engaged, and tunes studdle lower end across guide link and adjustment guide block, and tune passing through for studdle
Part is combined with locking back nut, is provided on the guide link for locking the fastening jackscrew for tuning studdle.
Further, the through-hole is located at the center of baffle, and the diameter of through-hole is 1mm.
The utility model has the beneficial effect that
1, it after by the way that laser and CCD camera lens are completed optical axis to the heart, when batch CCD lens assembly is detected, only needs
Separate-blas estimation can be carried out by finely tuning its angle and position, be adjusted more efficient；
2, by the way that through-hole is arranged at the center of baffle, and baffle is placed between laser and CCD camera lens, adjustment through-hole with
Optical axis is concentric, and during batch detection, when shifting such as the angle of laser beam emitted, which can not just lead to
Cross the through-hole on baffle, the i.e. reliability of the certifiable testing result of the through-hole；
3, the utility model structure is simple and adjustable space is big, and the calibration target for not needing to meet high request can be rapidly and efficiently
Ground is used for quickly detecting the optical centre deviation of same batch CCD camera lens.
Detailed description of the invention
Fig. 1 is the schematic front view of the utility model；
Fig. 2 is the schematic top plan view of the utility model；
Fig. 3 is the A-A sectional view of Fig. 1；
Fig. 4 is the B-B sectional view of Fig. 1；
Marked in the figure: 1- guide rail；2- sliding block；3- adjusts guide block；4- locking back nut；5- guide link；6- laser；7-
Clamper；8- clamp support screw rod；9- baffle；10- tunes studdle；11-CCD camera lens；12- revolving platform；13- revolving platform
Pinboard；The traversing slide of 14-；The traversing slide pinboard of 15-；16- through-hole；17- fastening jackscrew.
Specific embodiment
As shown in Figure 1 to 4, the dress of the lens optical centre deviation detection provided in this embodiment based on direct optical method
Three sliding blocks 2 setting the guide rail 1 including a root long stripe shape and being disposed side by side on guide rail 1 are wherein installed on the sliding block 2 of side
There is folder regulating mechanism, folder regulating mechanism includes clamper 7, clamp support screw rod 8, adjustment guide block 3 and guide link 5, the adjustment
Guide block 3 is fixed on the side of 2 upper surface of sliding block, and adjusts 3 opposing slider 2 of guide block and stretch out a part, and the guide link 5 is fixed
The part of sliding block 2 is stretched out on adjustment guide block 3, guide link 5 and adjustment guide block 3 are preferably integrally formed mode, the folder
8 lower end of holder studdle passes through guide link 5 and adjusts guide block 3 and be located at the surface of guide rail 1, the clamp support spiral shell
The part that passes through of bar 8 is combined with locking back nut 4, and locking back nut 4 can limit clamp support screw rod 8 and move up, the guiding
The fastening jackscrew 17 for locking clamp support screw rod 8 is provided on slip ring 5, the clamper 7 is fixed on clamp support
The top of screw rod 8, in the present embodiment, clamper 7 includes U-shaped cramping body and for locking the lock for holding together U-shaped two ends of cramping body
Tight screw is provided with laser 6 in the holding chamber of the U-shaped cramping body.By unscrewing fastening jackscrew 17 and locking back nut 4,
The upper and lower position of adjustable clamp support screw rod 8 and rotational angle.
Same structural principle, is located in the middle to be equipped on sliding block 2 and tunes mechanism, and tuning mechanism includes tuning support spiral shell
Bar 10, adjustment guide block 3 and guide link 5, the adjustment guide block 3 is fixed on the side of 2 upper surface of sliding block, and adjusts 3 phase of guide block
A part is stretched out to sliding block 2, the guide link 5 is fixed on the part that sliding block 2 is stretched out on adjustment guide block 3, guide link 5 and tune
Whole guide block 3 is preferably integrally formed mode, and the lower end for tuning studdle 10 passes through guide link 5 and adjustment guide block 3 and position
In the surface of guide rail 1, the part that passes through for tuning studdle 10 is combined with locking back nut 4, and locking back nut 4 can limit
System tunes studdle 10 and moves up, and is provided on the guide link 5 for locking the fastening jackscrew 17 for tuning studdle 10,
10 upper end of studdle that tunes is equipped with vertical baffle 9, and the bottom surface of baffle 9 is provided with screw hole, tunes studdle 10
Upper end and the underrun of baffle 9 be threadedly engaged, the through-hole 16 for verifying detection, through-hole 16 are provided on the baffle 10
Positioned at the center of baffle 9, and the diameter of through-hole 16 is 1mm.It similarly, can by unscrewing fastening jackscrew 17 and locking back nut 4
The upper and lower position of regulating fender 9 and rotational angle.
For the ease of batch detection CCD lens assembly, revolution straight regulating mechanism is installed on the sliding block 2 of the other side, revolution is straight
Regulating mechanism includes traversing slide 14 and revolving platform 12, and traversing slide 14 and revolving platform 12 use existing structure, the traversing cunning
It is fixed with traversing slide pinboard 15 between seat 14 and sliding block 2, and is fixed with revolving platform between traversing slide 14 and revolving platform 12
Pinboard 13 has been removably installed CCD camera lens 11 on the revolving platform 12.
The working principle of the utility model is: first adjustment CCD camera lens 11 and laser 6 are completed until hot spot is overlapped
Optical axis is to the heart, when the optical centre of the light beam that laser 6 is emitted and CCD camera lens 11 is not coaxial, in laser beam exits diaphragm
Multiple brightness not equal interference hot spot can be observed on face；Then the position of regulating fender 9 is concentric with the optical axis through-hole 16；?
During batch detection, if the angle of 6 beam emitted of laser shifts, then the light beam cannot pass through through-hole 16.It is logical
It crosses when replacing CCD camera lens 11 to be checked, finely tunes its angle and position to hot spot and be overlapped, read laser beam in CCD using video camera
Picture point in image planes goes out the deviation of optical centre Yu CCD image plane center by the comparing calculation of the picture point and the center CCD, such as
This circulation, is greatly improved detection efficiency.
The above is only the utility model preferred embodiment, but the protection scope of the utility model is not limited to
This, any transformation carried out based on technical solution provided by the utility model and inventive concept and replacement should all be covered in this reality
With in novel protection scope.
Claims (4)
1. a kind of device of the lens optical centre deviation detection based on direct optical method, it is characterised in that: including guide rail and
Three sliding blocks on guide rail are disposed side by side on, folder regulating mechanism is wherein installed on the sliding block of side, presss from both sides and laser is installed on regulating mechanism
Device, is located in the middle to be equipped on sliding block and tunes mechanism, tunes and is equipped with vertical baffle in mechanism, is provided with and is used on baffle
The through-hole of verification is equipped with the straight regulating mechanism of revolution on the sliding block of the other side, and turning round straight regulating mechanism includes traversing slide and revolving platform,
It is fixed with traversing slide pinboard between traversing slide and sliding block, and is fixed with revolving platform switching between traversing slide and revolving platform
Plate has been removably installed CCD camera lens on the revolving platform.
2. the device of the lens optical centre deviation detection according to claim 1 based on direct optical method, feature exist
In: the folder regulating mechanism includes that clamper, clamp support screw rod, adjustment guide block and guide link, the adjustment guide block are fixed
In sliding block upper surface side, the guide link is fixed on adjustment guide block, and the clamper is fixed on clamp support screw rod
Top, the laser are clamped in clamper, and clamp support screw rod lower end passes through guide link and adjustment guide block, and clamps
The part that passes through of device studdle is combined with locking back nut, is provided on the guide link for locking clamp support spiral shell
The fastening jackscrew of bar.
3. the device of the lens optical centre deviation detection according to claim 1 based on direct optical method, feature exist
In: the mechanism that tunes includes tuning studdle, adjustment guide block and guide link, the adjustment guide block to be fixed on table on sliding block
Face side, the guide link are fixed on adjustment guide block, and the studdle upper end that tunes is matched with baffle underrun screw thread
It closes, tunes studdle lower end across guide link and adjustment guide block, and the part that passes through for tuning studdle is combined with locking
Nut is carried on the back, is provided on the guide link for locking the fastening jackscrew for tuning studdle.
4. the device of the lens optical centre deviation detection according to claim 1 or 3 based on direct optical method, feature
Be: the through-hole is located at the center of baffle, and the diameter of through-hole is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247249.0U CN209280284U (en) | 2019-02-27 | 2019-02-27 | A kind of device of the lens optical centre deviation detection based on direct optical method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247249.0U CN209280284U (en) | 2019-02-27 | 2019-02-27 | A kind of device of the lens optical centre deviation detection based on direct optical method |
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| CN209280284U true CN209280284U (en) | 2019-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640376A (en) * | 2019-09-30 | 2020-01-03 | 四川荆山通风设备有限公司 | Fan blade welding auxiliary assembly |
-
2019
- 2019-02-27 CN CN201920247249.0U patent/CN209280284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640376A (en) * | 2019-09-30 | 2020-01-03 | 四川荆山通风设备有限公司 | Fan blade welding auxiliary assembly |
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