CN205449447U - Optical lens divided beams depth of parallelism detection device - Google Patents
Optical lens divided beams depth of parallelism detection device Download PDFInfo
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- CN205449447U CN205449447U CN201620134930.0U CN201620134930U CN205449447U CN 205449447 U CN205449447 U CN 205449447U CN 201620134930 U CN201620134930 U CN 201620134930U CN 205449447 U CN205449447 U CN 205449447U
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Abstract
The utility model discloses optical lens divided beams depth of parallelism detection device has provided a simple structure, has detected the both sides bipartition light beam depth of parallelism detection device that measured lens head prism was told accurately, and this detection device main part includes autocollimator, angular instrument, plane detection platform, three -dimensional autocollimator adjusting base and microscope base, combine detection method, the level of a detectable optical lens divided beams depth of parallelism and the contained angle absolute value of two perpendicular directions with here detection device, the utility model discloses a non -contact measures, and the convenience is built and dismantle to the device, and easy operation detects the good reproducibility, and the precision is high, and repeatability can reach 2', the device is with low costs, and essential element autocollimator and angular instrument can be dismantled at any time for other detections.
Description
Technical field
This utility model belongs to camera lens optical axis collimation detection technique field, particularly relates to a kind of optical lens divided beams parallelism detecting device.
Background technology
Night vision device has superior observing capacity at night due to it, is extensively applied to military field.But in the last few years, night vision device also become a lot of law enfrocement official, police service, the administration of justice, go hunting, fire-fighting, forest etc. use, be also widely used in various monitoring field, in terms of high-end automobile, also have application.Binocular single-cylinder type is the most popular light channel structure mode, one corner cube prism of its object lens optical routing separates two-way same straight line opposite direction light, performance after object lens assembling, the both horizontally and vertically angle of the two-way light particularly separated, conventional detection apparatus is not had to detect, can only rely on and be assembled in whole product, the vertically and horizontally angle of two eyepiece outgoing beams of detection integral product.The method not only can not find object lens quality problem in time, and brings other parts error of product in detecting, it is impossible to true reflection object lens quality.
Summary of the invention
For the problem of above-mentioned existence, this utility model aims to provide a kind of optical lens divided beams parallelism detecting device, and apparatus structure is simply, easily build, low cost, strong operability, operating process is simply efficient, detect reproducible, precision is high, repeatable accuracy is up to 2 '.
Technical solutions of the utility model are to utilize the most common detecting instrument, autocollimator, clinometer and 45 degree of angle prism blocks of standard, autocollimator and clinometer position location is corrected by 45 degree of angle prism blocks of standard, measured lens is placed on special microscope base and measures, measure twice, measure on the basis of one face of objective prism every time, the benchmark angle that the horizontal and vertical light beam of the outgoing beam measuring another prism facets is demarcated with master prism block, twice measurement result is subtracted each other, obtain the both horizontally and vertically angle of the two-beam that objective prism separates, whether the method accurately and timely objective lens performance can reach requirement, and detect device and easily build.
To achieve these goals, the technical scheme that this utility model is used is as follows:
A kind of optical lens divided beams parallelism detecting device, this detection device includes that an autocollimator, clinometer, plane monitoring-network platform, a three-dimensional autocollimator adjust pedestal and microscope base；
Autocollimator, described autocollimator is horizontally fixed on three-dimensional autocollimator by linking arm and adjusts on pedestal, and described three-dimensional autocollimator adjusts pedestal and is fixed on plane monitoring-network platform, and described three-dimensional autocollimator adjusts pedestal and adjusts autocollimator direction up and down；
Clinometer, on the plane monitoring-network platform of the positive side of described autocollimator, object stage is set, described object stage side arranges rotating support, at described cradle top, described clinometer is set by annulus handle tilt, clinometer can rotate along its optical axis direction in annulus handle, or move around optical axis, support can upper in any direction swing relative to object stage；
Microscope base, including glass plate base, parallel block one and parallel block two, microscope base is detachably arranged on the object stage of clinometer, is used for placing tested camera lens, and two plane parallelisms up and down of microscope base are less than 1 '；
Preferably, described autocollimator includes collimator eyepiece, collimator object lens and autocollimator lighting source.
Preferably, described clinometer includes clinometer collimator eyepiece, clinometer collimator object lens and clinometer lighting source.
Preferably, described support is made up of two support arms being hinged.
Preferably, described three-dimensional autocollimator adjusts pedestal and is fixed by screws on plane monitoring-network platform, and arranges up-down adjustment button, gradient regulation button and left and right adjusting button on three-dimensional autocollimator adjustment pedestal.
The beneficial effects of the utility model are: this utility model autocollimator by standard, clinometer adjusts pedestal with three-dimensional autocollimator, plane monitoring-network platform, microscope base builds detection device together, 45 degree of angle prism blocks of same standard are detected with clinometer by autocollimator, demarcate the position location of autocollimator and clinometer, the angle of two right-angle surface outgoing beams Yu benchmark by measuring tested camera lens prism respectively, then two-beam that tested camera lens prism separates angle both horizontally and vertically it is calculated, this measurement apparatus is built simply, operating process simple and convenient, measurement reproducibility is good, precision is high, repeatable accuracy can reach 2 ', achieve the absolute measurement of the depth of parallelism between the two-beam that camera lens separates.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of optical lens divided beams parallelism detecting device.
Fig. 2 is the correcting structure schematic diagram of this utility model a kind of optical lens divided beams parallelism detecting device.
Fig. 3 is the structural representation of this utility model detector lens divided beams both horizontally and vertically depth of parallelism microscope base.
Fig. 4 is the structural representation of this utility model detector lens divided beams both horizontally and vertically Parallel testing light source.
Fig. 5 is the correction light path principle figure of this utility model a kind of optical lens divided beams parallelism detecting device.
Fig. 6 is the light path principle figure of this utility model a kind of optical lens divided beams parallelism detecting device.
Wherein: 1-cross-graduation plate one, 2-cross-graduation plate two, 3-cross-graduation plate three, 4-cross-graduation plate four；
10-autocollimator, 101-collimator eyepiece, 102-collimator object lens, 103-autocollimator lighting source；
20-three-dimensional autocollimator calibration pedestal, 201-up-down adjustment button, 202-gradient regulation button, 203-left and right adjusting button, 204-linking arm；
30-plane monitoring-network platform, 301-screw；
40-clinometer, 401-clinometer lighting source, 402-clinometer collimator eyepiece, 403-clinometer collimator object lens, 404-support, 405-object stage；
50-microscope base, 501-glass plate base, 502-parallel block one, 503-parallel block two；
The tested camera lens of 60-, 70-detects light source, 701-light source, 702-clouded glass, 703-cross-graduation plate five, 704-lens barrel；45 degree of angle prism blocks of 80-standard.
Detailed description of the invention
In order to make those of ordinary skill in the art be better understood on the technical solution of the utility model, with embodiment, the technical solution of the utility model is further described below in conjunction with the accompanying drawings.
A kind of optical lens divided beams parallelism detecting device shown in 1-6 referring to the drawings, this detection device includes that 10, clinometer 40 of an autocollimator, plane monitoring-network platform 30, three-dimensional autocollimator adjust pedestal 20 and microscope base 50；
Autocollimator 10, described autocollimator 10 includes collimator eyepiece 101, collimator object lens 102 and autocollimator lighting source 103, described autocollimator 10 is horizontally fixed on three-dimensional autocollimator by linking arm 204 and adjusts on pedestal 20, described three-dimensional autocollimator adjusts pedestal 20 and is fixed on plane monitoring-network platform 30, and described three-dimensional autocollimator adjusts pedestal 20 and adjusts autocollimator 10 direction up and down；Described three-dimensional autocollimator is adjusted pedestal 20 and is fixed on plane monitoring-network platform 30 by screw 301, and up-down adjustment button 201, gradient regulation button 202 and left and right adjusting button 203 are set on three-dimensional autocollimator adjustment pedestal 20, three-dimensional autocollimator can be adjusted flexibly by up-down adjustment button 201, gradient regulation button 202 and left and right adjusting button 203 and adjust the locus of pedestal 20, to adapt to suitable detection angles；
Clinometer 40, described clinometer 40 includes clinometer collimator eyepiece 402, clinometer collimator object lens 403, support 404, object stage 405 and clinometer lighting source 401, on the plane monitoring-network platform 30 of the described positive side of autocollimator 10, object stage 405 is set, described object stage side arranges rotating support 404, described support 404 is made up of two support arms being hinged, at described cradle top, described clinometer 40 is set by annulus handle tilt, clinometer 40 can rotate along its optical axis direction in annulus handle, or move around optical axis, the relative object stage 405 of support 404 can upper in any direction swing；
Microscope base 50, including glass plate base 501, parallel block 1 and parallel block 2 503, described glass plate base 501 is square surface glass, parallel block 1 and parallel block 2 503 are rectangular planes glass, described microscope base 50 is made up of two block length square planar glass and one block of square surface glass viscose glue, microscope base 50 is detachably arranged on the object stage of clinometer 40, is used for placing tested camera lens 60, and two plane parallelisms up and down of microscope base 50 are less than 1 '；Described two block length square planar glass and camera lens its flatness of locating surface contact surface to be measured are less than 1 '；
The detection method of a kind of optical lens divided beams parallelism detecting device, comprises the following steps:
The first step: build detection device, it is ensured that the collimator object lens 102 of autocollimator 10 and the collimator object lens 102 of clinometer 40 are in a plane；
Second step: 45 degree of angle prism blocks 80 of standard are placed on object stage 405, turn three-dimensional autocollimator adjusts the up-down adjustment knob 201 of pedestal 20, gradient regulation button 202 and left and right adjusting button 203, it is ensured that collimator object lens 102 alignment criteria degree angle prism block 80 right-angle side of autocollimator 10；
3rd step: two supports 404 of adjusting pole so that the angular rim of clinometer collimator object lens 403 45 degree of angle prism blocks 80 of alignment criteria；
4th step: open the clinometer lighting source 401 of clinometer 40, eyes are observed by clinometer collimator eyepiece 402,45 degree of angle prism block 80 positions of fine setting standard and direction, determine cross-graduation plate 1 and cross-graduation plate 22 picture registration of clinometer 40, error is less than 1 ', and guarantees that 45 degree of angle prism block 80 positions of standard maintain static；
5th step: open the power supply of autocollimator 10, turn three-dimensional autocollimator adjusts the up-down adjustment knob 201 of pedestal 20, gradient regulation button 202 and left and right adjusting button 203, the collimator object lens 102 of adjustment autocollimator 10 and 45 degree of angle prism block 80 right-angle sides of standard are at sustained height, and be mutually perpendicular to, simultaneously, the eyes collimator eyepiece 101 by autocollimator 10, determine that cross-graduation plate 33 image that autocollimator 10 sends is reflected back in autocollimator 10 by 45 degree of angle prism block 80 right-angle surface of standard, and overlap with the cross-graduation plate 44 of autocollimator 10, error is less than 1 ', guarantee that autocollimator 10 and clinometer 40 position are not moved, now autocollimator 10 and clinometer 40 position correction are complete；
6th step: remove 45 degree of angle prism blocks 80 of standard, put microscope base 50, rotate microscope base 50, measured the prism of tested camera lens 60 by clinometer 40, determine that the 0 degree of position of clinometer 40 graduation mark and clinometer 40 graduation mark returned by a prism facets of tested camera lens 60 overlaps；nullConcrete，Remove 45 degree of angle prism blocks 80 of standard，Put microscope base 50，And determine the parallel block 1 on glass plate base 501、The collimator object lens 102 of the spatial portion bit alignment autocollimator 10 between parallel block 2 503，Tested camera lens 60 is placed on microscope base 50，One of tested camera lens 60 Amici prism is in the face of the collimator object lens 102 of quasi-autocollimator 10，Tested camera lens 60 is placed detection light source 70，Described detection light source 70 includes light source 701、Clouded glass 702、Cross-graduation plate 5 703 and lens barrel 704，Close autocollimator lighting source 103，By the collimator eyepiece 101 of autocollimator 10，The vertical line observing detection light source 70 cross-graduation plate 5 703 is the most parallel with the vertical line of autocollimator 10 cross-graduation plate 44 and horizontal line with horizontal line，If it is not parallel，Take off detection light source 70，It is adjusted，Continue to repeat above detecting step，Till parallel；
null7th step: by autocollimator 10 eye piece reading，The cross hairs picture being reflected back in autocollimator 10 by another prism facets of tested camera lens 60，It is the vertical angle α 1 that 60 liang of bundles of tested camera lens separate light beam with the deviation value of cross-graduation plate 22 horizontal direction of autocollimator 10，The deviation value of vertical direction is the horizontal sextant angle β 1 that 60 liang of tested camera lens bundle separates light beam，Eyes read α 1 and β 1 by autocollimator eyepiece: concrete operations are: be placed on microscope base 50 by tested camera lens 60，One of camera lens Amici prism is in the face of the collimator object lens 102 of calibration angle gauge 40，Eyes are observed by clinometer 40 eyepiece，Finely tune tested camera lens 60 position and direction，Or rotate microscope base 50，Determine that eyes pass through cross differentiation plate 1 and the cross of the clinometer 40 that clinometer collimator eyepiece 402 is observed and break up plate 22 and overlap，Error is less than 1 '，And guarantee that tested camera lens 60 and microscope base 50 position maintain static，Eyepiece by autocollimator 10，Vertical line and the horizontal line of observing detection light source 70 cross differentiation plate 5 703 break up vertical line and the horizon distance α 1 and β 1 of plate 22 with autocollimator 10 cross；
8th step: together with detection light source 70, tested camera lens 60 being rotated 180 degree, repeats the 6th step and the operation of the 7th step, measure the measured value of tested camera lens 60 another one prism facets, eyes read vertical angle α 2 and horizontal sextant angle β 2 by autocollimator eyepiece；
9th step: calculate α=α 1-α 2, β=β 1-β 2 respectively, the horizontal and vertical angle of 60 liang of tested camera lens bundle emergent light is respectively α, β, and the α drawn, β compare with standard error value, determine that detector lens is the most qualified.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.
Claims (5)
1. an optical lens divided beams parallelism detecting device, it is characterised in that: this detection device includes that an autocollimator, clinometer, plane monitoring-network platform, a three-dimensional autocollimator adjust pedestal and microscope base；
Autocollimator, described autocollimator is horizontally fixed on three-dimensional autocollimator by linking arm and adjusts on pedestal, and described three-dimensional autocollimator adjusts pedestal and is fixed on plane monitoring-network platform, and described three-dimensional autocollimator adjusts pedestal and adjusts autocollimator direction up and down；
Clinometer, on the plane monitoring-network platform of the positive side of described autocollimator, object stage is set, described object stage side arranges rotating support, at described cradle top, described clinometer is set by annulus handle tilt, clinometer can rotate along its optical axis direction in annulus handle, or move around optical axis, support can upper in any direction swing relative to object stage；
Microscope base, including glass plate base, parallel block one and parallel block two, microscope base is detachably arranged on the object stage of clinometer, is used for placing tested camera lens, and two plane parallelisms up and down of microscope base are less than 1 '.
A kind of optical lens divided beams parallelism detecting device the most according to claim 1, it is characterised in that: described autocollimator includes collimator eyepiece, collimator object lens and autocollimator lighting source.
A kind of optical lens divided beams parallelism detecting device the most according to claim 1, it is characterised in that: described clinometer includes clinometer collimator eyepiece, clinometer collimator object lens and clinometer lighting source.
A kind of optical lens divided beams parallelism detecting device the most according to claim 3, it is characterised in that: described support is made up of two support arms being hinged.
A kind of optical lens divided beams parallelism detecting device the most according to claim 1, it is characterized in that: described three-dimensional autocollimator adjusts pedestal and is fixed by screws on plane monitoring-network platform, and up-down adjustment button, gradient regulation button and left and right adjusting button are set on three-dimensional autocollimator adjustment pedestal.
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| CN201620134930.0U CN205449447U (en) | 2016-02-23 | 2016-02-23 | Optical lens divided beams depth of parallelism detection device |
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| CN201620134930.0U CN205449447U (en) | 2016-02-23 | 2016-02-23 | Optical lens divided beams depth of parallelism detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547657A (en) * | 2016-02-23 | 2016-05-04 | 丹阳丹耀光学有限公司 | Device and method for detecting parallelism of split beams of optical lens |
| CN107677219A (en) * | 2017-09-11 | 2018-02-09 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of plane parallelism measurement device and measuring method |
| CN108896276A (en) * | 2017-05-11 | 2018-11-27 | 纳卢克斯株式会社 | Position measurement method and component |
| CN109238654A (en) * | 2018-08-20 | 2019-01-18 | 河南省高远公路养护技术有限公司 | A kind of raising laser depth of parallelism calibrating installation and method |
| CN112781841A (en) * | 2020-12-30 | 2021-05-11 | 中国科学院西安光学精密机械研究所 | Imaging sensor image plane parallelism debugging system and method based on microscopic measurement |
-
2016
- 2016-02-23 CN CN201620134930.0U patent/CN205449447U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547657A (en) * | 2016-02-23 | 2016-05-04 | 丹阳丹耀光学有限公司 | Device and method for detecting parallelism of split beams of optical lens |
| CN105547657B (en) * | 2016-02-23 | 2018-01-30 | 丹阳丹耀光学有限公司 | A kind of optical lens divided beams parallelism detecting device and its detection method |
| CN108896276A (en) * | 2017-05-11 | 2018-11-27 | 纳卢克斯株式会社 | Position measurement method and component |
| CN108896276B (en) * | 2017-05-11 | 2022-02-25 | 纳卢克斯株式会社 | Position measuring method and member |
| CN107677219A (en) * | 2017-09-11 | 2018-02-09 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of plane parallelism measurement device and measuring method |
| CN109238654A (en) * | 2018-08-20 | 2019-01-18 | 河南省高远公路养护技术有限公司 | A kind of raising laser depth of parallelism calibrating installation and method |
| CN109238654B (en) * | 2018-08-20 | 2020-04-10 | 河南省高远公路养护技术有限公司 | Calibration device and method for improving laser parallelism |
| CN112781841A (en) * | 2020-12-30 | 2021-05-11 | 中国科学院西安光学精密机械研究所 | Imaging sensor image plane parallelism debugging system and method based on microscopic measurement |
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