CN106600685A - Optical element space measurement and assembly method in optical assembly - Google Patents
Optical element space measurement and assembly method in optical assembly Download PDFInfo
- Publication number
- CN106600685A CN106600685A CN201611106114.XA CN201611106114A CN106600685A CN 106600685 A CN106600685 A CN 106600685A CN 201611106114 A CN201611106114 A CN 201611106114A CN 106600685 A CN106600685 A CN 106600685A
- Authority
- CN
- China
- Prior art keywords
- optical element
- model
- assembly
- measurement
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to an optical element space measurement and assembly method in optical assembly. A three-dimensional scanning device is adopted to scan the optical element and accurate data are obtained; then, an actual model is generated through three-dimensional modeling software; and the actual model is matched with a theoretical model, and assembly error data of the optical element needed by people are obtained. The method has the advantages that as for an opened optical system, the three-dimensional scanning device and the three-dimensional modeling software are used for generating the assembly mathematical model for the optical element space position, all assembly conditions of the optical system can be comprehensively obtained, and more comprehensiveness is achieved compared with a single piece of data; the method is non-contact measurement, and the position of the optical element during the measurement process is not changed; and the method has a wider application range, and can be used for both optical element measurement and non-optical element space position measurement.
Description
Technical field
The invention belongs to optical measuring technique, is related to measurement and the assembling side in optical element space in a kind of optics assembling
Method.
Background technology
One main target of optics assembling seeks to the correctness for ensureing optical element locus.For non co axial and
The locus for having the optical system of certain space angle, optical element are difficult measurement, and designer is by ensureing part
Machining accuracy realizing, for the higher optical system of required precision, improve part machining accuracy cost it is too high and
It is very difficult.By method of the interferometer to optical element spatial position measuring, it is long to build the monitor station cycle, and measuring environment is required
It is high.Process provides a kind of method that can quickly measure optical element locus.
The content of the invention
Technical problem to be solved
In place of the deficiencies in the prior art, the present invention proposes a kind of measurement in optical element space in optics assembling
And assembly method, it is to practical set result and reason using three-dimensional scanning device (containing three coordinate measuring machine) and 3D sculpting software
Matched by model, obtained a kind of method of optical element deviations of actual position.
Technical scheme
The measurement in optical element space and assembly method in a kind of optics assembling, it is characterised in that step is as follows：
Step 1：Reference for assembling is scanned using three-dimensional scanning device, a space coordinates are set up with reference for assembling；It is described
The coordinate system of reference for assembling selects the coordinate system consistent with theoretical model；
Step 2：Each optical element in light path is scanned, the data of each optical element is obtained and is located at sky
Between coordinate data；
Step 3：According to the data of scanning, the model and phase for expressing each optical element is generated using 3D sculpting software
The spatial model of mutual position；
Step 4：The spatial model that step 3 is obtained is contrasted with the theoretical space model of design, obtains each optics
The site error of element；
Step 5：The direction and difference expressed according to site error is adjusted to the position of each optical element in light path
It is whole；
Step 6：2～step 5 of repeat step, until the position of each optical element of actual scanning is empty with the theory of design
Between model unanimously complete.
Beneficial effect
In a kind of optics assembling proposed by the present invention, the measurement in optical element space and assembly method, are set using 3-D scanning
It is standby that optical element is scanned, accurate data are obtained, a realistic model is generated by 3D sculpting software then, then
Realistic model and theoretical model are matched, and obtain the rigging error data of the optical element of our needs.
It is an advantage of the invention that：
1st, for open optical system, using three-dimensional scanning device and 3D sculpting software, generate optical element space
The assembling mathematical model of position, can be than more comprehensively obtaining whole assembling situations of optical system, than a single data
More comprehensively.
2nd, the method can be non-cpntact measurement, will not produce change to the position of optical element in measurement process.
3rd, the method has wider array of range of application, can be used not only for the measurement of optical element, can be also used for non-optical
The measurement of component space position.
Description of the drawings
Fig. 1 is lens assembling structure schematic diagram in embodiment.
The first lens of 1-；2- balsaming lenss；3- reflecting mirrors；The second lens of 4-.
Specific embodiment
In conjunction with embodiment, accompanying drawing, the invention will be further described：
The present embodiment is the method with regard to lens arrangement, sees Fig. 1, and step is as follows：
Step 1：Reference for assembling is scanned using three-dimensional scanning device, a space coordinates are set up with reference for assembling；It is described
The coordinate system of reference for assembling selects the coordinate system consistent with theoretical model；
Step 2：Four optical elements in light path are scanned, and obtain the data of four optical elements and are located at sky
Between coordinate data：The shape data of the first lens 1, balsaming lenss 2, reflecting mirror 3 and the second lens 4, and four optics units
The coordinate data of part mutual alignment；
Step 3：According to the data of scanning, the mould for expressing each optical element is generated using 3D sculpting software UG or Pro
Type and the spatial model of mutual alignment；
Step 4：It is right that the spatial model that step 3 is obtained is carried out with the theoretical space model of four optical elements of design
Than obtaining the site error of each optical element；
Step 5：The direction and difference expressed according to site error is adjusted to the position of each optical element in light path
It is whole；
Step 6：2～step 5 of repeat step, until the position of each optical element of actual scanning is empty with the theory of design
Between model unanimously complete.
Claims (1)
1. the measurement in optical element space and assembly method during a kind of optics is assembled, it is characterised in that step is as follows：
Step 1：Reference for assembling is scanned using three-dimensional scanning device, a space coordinates are set up with reference for assembling；The assembling
The coordinate system of benchmark selects the coordinate system consistent with theoretical model；
Step 2：Each optical element in light path is scanned, the data of each optical element is obtained and positioned at space
Coordinate data；
Step 3：According to the data of scanning, the model for expressing each optical element and mutual position are generated using 3D sculpting software
The spatial model put；
Step 4：The spatial model that step 3 is obtained is contrasted with the theoretical space model of design, obtains each optical element
Site error；
Step 5：The direction and difference expressed according to site error is adjusted to the position of each optical element in light path；
Step 6：2～step 5 of repeat step, until the position of each optical element of actual scanning and the theoretical space mould for designing
Type is unanimously completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106114.XA CN106600685A (en) | 2016-12-06 | 2016-12-06 | Optical element space measurement and assembly method in optical assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106114.XA CN106600685A (en) | 2016-12-06 | 2016-12-06 | Optical element space measurement and assembly method in optical assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106600685A true CN106600685A (en) | 2017-04-26 |
Family
ID=58597269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611106114.XA Pending CN106600685A (en) | 2016-12-06 | 2016-12-06 | Optical element space measurement and assembly method in optical assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106600685A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111630A (en) * | 2019-04-29 | 2019-08-09 | 中国人民解放军战略支援部队航天工程大学士官学校 | Analogy method, device and the electronic equipment of device assembling training |
| CN110703454A (en) * | 2019-09-02 | 2020-01-17 | 中国航空工业集团公司洛阳电光设备研究所 | Method for assembling and adjusting asymmetric lens |
| WO2022217737A1 (en) * | 2021-04-14 | 2022-10-20 | 广景视睿科技（深圳）有限公司 | Method for assembling prism, apparatus for assembling prism, and device for assembling prism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006221534A (en) * | 2005-02-14 | 2006-08-24 | Toyota Auto Body Co Ltd | Digital mock-up system |
| CN101598539A (en) * | 2009-06-29 | 2009-12-09 | 中国航空工业集团公司洛阳电光设备研究所 | The measuring method of optical element |
| CN102284859A (en) * | 2011-05-06 | 2011-12-21 | 中国科学院上海技术物理研究所 | Digital assembly method of space remote sensing instrument |
| US8285413B1 (en) * | 2009-03-29 | 2012-10-09 | International Training Institute for the Sheet Metal and Air Conditioning Industry | Sheet metal fabrication system |
| CN103434653A (en) * | 2013-08-22 | 2013-12-11 | 北京航空航天大学 | Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique |
| CN104732042A (en) * | 2015-04-13 | 2015-06-24 | 中国工程物理研究院激光聚变研究中心 | Rapid modeling method for light path of large laser device |
-
2016
- 2016-12-06 CN CN201611106114.XA patent/CN106600685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006221534A (en) * | 2005-02-14 | 2006-08-24 | Toyota Auto Body Co Ltd | Digital mock-up system |
| US8285413B1 (en) * | 2009-03-29 | 2012-10-09 | International Training Institute for the Sheet Metal and Air Conditioning Industry | Sheet metal fabrication system |
| CN101598539A (en) * | 2009-06-29 | 2009-12-09 | 中国航空工业集团公司洛阳电光设备研究所 | The measuring method of optical element |
| CN102284859A (en) * | 2011-05-06 | 2011-12-21 | 中国科学院上海技术物理研究所 | Digital assembly method of space remote sensing instrument |
| CN103434653A (en) * | 2013-08-22 | 2013-12-11 | 北京航空航天大学 | Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique |
| CN104732042A (en) * | 2015-04-13 | 2015-06-24 | 中国工程物理研究院激光聚变研究中心 | Rapid modeling method for light path of large laser device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111630A (en) * | 2019-04-29 | 2019-08-09 | 中国人民解放军战略支援部队航天工程大学士官学校 | Analogy method, device and the electronic equipment of device assembling training |
| CN110111630B (en) * | 2019-04-29 | 2021-03-02 | 中国人民解放军战略支援部队航天工程大学士官学校 | Simulation method and device for device assembly training and electronic equipment |
| CN110703454A (en) * | 2019-09-02 | 2020-01-17 | 中国航空工业集团公司洛阳电光设备研究所 | Method for assembling and adjusting asymmetric lens |
| CN110703454B (en) * | 2019-09-02 | 2021-11-02 | 中国航空工业集团公司洛阳电光设备研究所 | Method for assembling and adjusting asymmetric lens |
| WO2022217737A1 (en) * | 2021-04-14 | 2022-10-20 | 广景视睿科技（深圳）有限公司 | Method for assembling prism, apparatus for assembling prism, and device for assembling prism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wendt et al. | Measuring large 3D structures using four portable tracking laser interferometers | |
| CN101634544B (en) | Water turbine blade blank profile measuring and machining allowance analyzing method | |
| CN101986350B (en) | Monocular structured light-based three-dimensional modeling method | |
| CN103034767A (en) | Establishing method of off-axis non-spherical-surface reflecting mirror face CAD (Computer-Aided Design) model for use before milling and grinding | |
| CN106600685A (en) | Optical element space measurement and assembly method in optical assembly | |
| CN103438798A (en) | Initiative binocular vision system overall calibration method | |
| CN103148784A (en) | Full size detection method for large vane | |
| Ding et al. | CAD-based path planning for 3D laser scanning of complex surface | |
| CN103471522A (en) | Method for detecting concave aspheric surface in real-time and wide-range mode | |
| Galantucci et al. | Semi-automatic low cost 3D laser scanning systems for reverse engineering | |
| CN106443691A (en) | Three-dimensional imaging system based on digital micromirror device (DMD) and imaging method | |
| CN110837715A (en) | Complex curved surface machining error compensation method based on reverse engineering technology | |
| TWI677671B (en) | Rotary shaft multi-degree-of-freedom error measurement system and method | |
| CN112184885B (en) | Method and device for establishing workpiece coordinate system | |
| CN103615985A (en) | Method for measuring diameter of steering knuckle based on three-dimensional scanning data | |
| Liao et al. | In-motion continuous point cloud measurement based on bundle adjustment fused with motion information of triple line-scan images | |
| CN102095386B (en) | Two-dimensional small-angle laser-vision precise measurement device and implementation method thereof | |
| CN204479848U (en) | The assembling & adjusting system that many visual field sensors optical system is coaxial | |
| CN203687893U (en) | Three-dimensional scanner | |
| Gu et al. | Study on the dimensional metrology and alignment method for the 1/32 CFETR VV mock-up | |
| Wang et al. | Positioning error calibration for two-dimensional precision stages via globally optimized image registration | |
| Zheng et al. | Positioning sensor by combining photogrammetry, optical projection and a virtual camera model | |
| Ge et al. | Universal calibration for a ring camera array based on a rotational target | |
| CN101598539B (en) | Method for measuring optical part | |
| Tang et al. | 3-step-calibration of 3D vision measurement system based-on structured light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |