CN2558982Y - Superwide field optic system distortion measuring device - Google Patents
Superwide field optic system distortion measuring device Download PDFInfo
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- CN2558982Y CN2558982Y CN 02262064 CN02262064U CN2558982Y CN 2558982 Y CN2558982 Y CN 2558982Y CN 02262064 CN02262064 CN 02262064 CN 02262064 U CN02262064 U CN 02262064U CN 2558982 Y CN2558982 Y CN 2558982Y
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- parallel light
- light tube
- guide rail
- distortion measurement
- optical system
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Abstract
The utility model relates to a distortion measuring device of a super-width viewing field optical system, a target signal device is arranged on one side of a guide rail, a distortion measuring and collecting mechanism is arranged on the other side, and a measurement receiving mechanism is arranged between the target signal device on the guide rail and the distortion measuring and collecting mechanism. Compared with the prior measuring device, the utility model has the advantages that the detection can be real time, multi persons observe, the interpretation is quick, and the precision is high, and the utility model can be used for promotion and application in a ship optical system, archery ground photoelectricity measuring device, a weapon control system and precision measurement and copying systems.
Description
Technical field
The utility model belongs to the photoelectric measurement technical field, is specifically related to a kind of super wide visual field optical system distortion measurement device.
Background technology
In naval vessel optical system, target range photoelectric measurement equipment, weapon control system, precision measurement and dubbing system, super wide visual field optical system has played important role as its important ingredient.And the distortion of super wide visual field optical system directly affects the geometric position precision of imaging, and error skyrockets with the increasing of visual field.In order to obtain geometric position image accurately, when carrying out optical design, not only to proofread and correct distortion as far as possible, and will also need carefully to carry out distortion measurement, so that modified value in use is provided to the actual optical system of producing.
Distortion measurement method in the past such as precision angle method etc. are by means of visual instruments such as microscopes, and efficient is low, waste time and energy, during measurement human factor influence bigger, the measurement structure instability.
Summary of the invention
Technical problem to be solved in the utility model and solve the technical scheme that its technical matters adopts and be: the side at guide rail is provided with the echo signal device, opposite side is provided with the distortion measurement collecting mechanism, is provided with the measuring receiver structure between echo signal device on the guide rail and distortion measurement collecting mechanism.
Echo signal device of the present utility model is: the side at guide rail is provided with and the joining parallel light tube of target support, is provided with target mechanism at an end of parallel light tube.Measuring receiver structure of the present utility model is: be located at the joining guide rail of base on universal stage on a side of parallel light tube be provided with microcobjective, opposite side is provided with ccd video camera.Distortion measurement collecting mechanism of the present utility model is: guide rail is provided with the computing machine that links with image pick-up card, and image pick-up card links to each other with ccd video camera by cable.
Target of the present utility model mechanism is: the side in the target housing of parallel light tube one end is provided with light source, opposite side is provided with star tester, and the side that a side of light source is provided with optical filter, star tester between light source and star tester is provided with condenser.
Parallel light tube of the present utility model is: the opposite side at the parallel light tube housing is provided with the parallel light tube object lens.
The utility model has utilized the photosensitive unit of surface array charge-coupled device ccd video camera to exist the geometric space of a definite form to arrange, and the geometric accuracy of its sensitization pixel is to guarantee by photoetching process, and cumulative errors is less than 1 micron, each locations of pixels addressable.With the surface array charge-coupled device ccd video camera as detector, measurement target can be gathered through picture on the one hand, carry out dimensional measurement through Flame Image Process again, avoided human factor, eliminate eye fatigue, alleviated labour intensity, improved efficiency, and can many people observe, the result can the picture form preserve in order to examination later on.On the other hand, with the geometric position of the photosensitive unit of surface array charge-coupled device ccd video camera as Target Board, replaced the waffle slab target that in the past became with the optics glass, avoided since about waffle slab during the inhomogeneous and waffle slab installation of delineation its center do not overlap the error of bringing with system optical axis.The utility model is compared with measurement mechanism in the past, have can detect in real time, many people observation, interpretation fast, precision is than advantages such as height, can in naval vessel optical system, target range photoelectric measurement equipment, weapon control system, precision measurement and dubbing system, promote the use of.
Description of drawings
Fig. 1 is the front view of an embodiment of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1,2, the super wide visual field optical system distortion measurement device of present embodiment is made of light source 1, optical filter 2, condenser 3, target housing 4, star tester 5, parallel light tube housing 6, parallel light tube object lens 7, base 8, universal stage 9, microcobjective 11, ccd video camera 12, cable 13, computing machine 14, guide rail 15, image pick- up card 16,17 connections of target support.
In the left side of guide rail 15 target support 17 is installed, on the target support 17 parallel light tube is installed, the parallel light tube of present embodiment is that the right side in parallel light tube housing 6 is equipped with parallel light tube object lens 7 formations.In the left side of parallel light tube target mechanism is installed, present embodiment target mechanism is connected into by light source 1, optical filter 2, condenser 3, target housing 4, star tester 5.The right-hand member of target housing 4 is installed in the parallel light tube housing 6, left side in target housing 4 is equipped with light source 1, the right side is provided with star tester 5, and the side that a side of light source 1 is equipped with optical filter 2, star tester 5 between light source 1 and star tester 5 is equipped with condenser 3.Target mechanism connects the echo signal device that constitutes present embodiment with parallel light tube.
On the right side of guide rail 15 the distortion measurement collecting mechanism is installed, the distortion measurement collecting mechanism of present embodiment is made of cable 13, computing machine 14, image pick-up card 16 connections.Computing machine 14 is installed on the guide rail 15, and image pick-up card 16 is installed on the computing machine 14, and an end of cable 13 is connected with image pick-up card 16, the other end is connected with the measuring receiver structure.
The measuring receiver structure of present embodiment is connected into by base 8, universal stage 9, microcobjective 11, ccd video camera 12.Base 8 is installed on the guide rail 15, universal stage 9 is installed on base 8, horizon light direction of principal axis one side of parallel light tube is equipped with microcobjective 11 on the universal stage 9, opposite side is equipped with ccd video camera 12, ccd video camera 12 is a surface array charge-coupled device, ccd video camera 12 is connected with image pick-up card 16 by cable 13, and object being measured 10 can be placed on the left side of microcobjective 11.
The course of work of the present utility model is as follows:
The light that sends by light source 1 after filtration mating plate 2, be focused on the star tester 5 by condenser 3, form the infinite point target by parallel light tube object lens 7 backs again, after this point target is amplified by microcobjective 11 by object being measured 10, received by surface array charge-coupled device ccd video camera 12.Before measuring, earlier parallel light tube is carried out direction adjustment up and down, make each system on same optical axis.Even whole optical path is gathered after being in 0 ° of visual field, rotate universal stage 9 then successively, image pick-up card 16 looks like to carry out image acquisition to the asterism under the different field angle successively, computing machine 14 calculates the pairing asterism of different field angle as side-play amount by software processes, and the pairing distortion value of different field angle is listed with diagrammatic form.
Claims (4)
1, a kind of super wide visual field optical system distortion measurement device, it is characterized in that: the side at guide rail [15] is provided with the echo signal device, opposite side is provided with the distortion measurement collecting mechanism, goes up between echo signal device and the distortion measurement collecting mechanism at guide rail [15] and is provided with the measuring receiver structure.
2, according to the described super wide visual field of claim 1 optical system distortion measurement device, it is characterized in that said echo signal device is: the side at guide rail [15] is provided with and the joining parallel light tube of target support [17], is provided with target mechanism at an end of parallel light tube; Said measuring receiver structure is: be located at the joining guide rail of base [8] [15] on universal stage [9] side that goes up parallel light tube be provided with microcobjective [11], opposite side is provided with ccd video camera [12]; Said distortion measurement collecting mechanism is: guide rail [15] is provided with the computing machine [14] that links with image pick-up card [16], and image pick-up card [16] links to each other with ccd video camera [12] by cable [13].
3, according to the described super wide visual field of claim 2 optical system distortion measurement device, it is characterized in that said target mechanism is: the side in the target housing [4] of parallel light tube one end is provided with light source [1], opposite side is provided with star tester [5], and the side that a side of light source [1] is provided with optical filter [2], star tester [5] between light source [1] and star tester [5] is provided with condenser [3].
4, according to claim 2 or 3 described super wide visual field optical system distortion measurement devices, it is characterized in that said parallel light tube is: the opposite side at parallel light tube housing [6] is provided with parallel light tube object lens [7].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262064 CN2558982Y (en) | 2002-08-16 | 2002-08-16 | Superwide field optic system distortion measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262064 CN2558982Y (en) | 2002-08-16 | 2002-08-16 | Superwide field optic system distortion measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN2558982Y true CN2558982Y (en) | 2003-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02262064 Expired - Fee Related CN2558982Y (en) | 2002-08-16 | 2002-08-16 | Superwide field optic system distortion measuring device |
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| CN (1) | CN2558982Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676704B (en) * | 2008-09-19 | 2011-05-25 | 中国科学院西安光学精密机械研究所 | Distortion tester |
| CN102706536A (en) * | 2012-03-20 | 2012-10-03 | 浙江大学 | Device and method for automatically measuring distortion of optical system with wide field of view |
| CN102053010B (en) * | 2009-10-30 | 2013-07-10 | 中国科学院西安光学精密机械研究所 | Testing device and method for defocused spot and color bias of optical system |
| CN103424243A (en) * | 2013-08-19 | 2013-12-04 | 西安应用光学研究所 | Target system for distortion test |
| CN103499433A (en) * | 2013-09-30 | 2014-01-08 | 中国科学院西安光学精密机械研究所 | Distortion calibration device and method for f-theta optical system |
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulating method and device |
| CN106404352A (en) * | 2016-08-23 | 2017-02-15 | 中国科学院光电技术研究所 | Method for measuring large field-of-view telescope optical system distortion and field curvature |
| CN109253868A (en) * | 2018-10-24 | 2019-01-22 | 京东方科技集团股份有限公司 | A kind of visual field angle measuring method and device |
| CN109596319A (en) * | 2018-11-26 | 2019-04-09 | 歌尔股份有限公司 | The detection system and method for optics module parameter |
-
2002
- 2002-08-16 CN CN 02262064 patent/CN2558982Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676704B (en) * | 2008-09-19 | 2011-05-25 | 中国科学院西安光学精密机械研究所 | Distortion tester |
| CN102053010B (en) * | 2009-10-30 | 2013-07-10 | 中国科学院西安光学精密机械研究所 | Testing device and method for defocused spot and color bias of optical system |
| CN102706536A (en) * | 2012-03-20 | 2012-10-03 | 浙江大学 | Device and method for automatically measuring distortion of optical system with wide field of view |
| CN102706536B (en) * | 2012-03-20 | 2014-11-12 | 浙江大学 | Device and method for automatically measuring distortion of optical system with wide field of view |
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulating method and device |
| CN103424243A (en) * | 2013-08-19 | 2013-12-04 | 西安应用光学研究所 | Target system for distortion test |
| CN103424243B (en) * | 2013-08-19 | 2015-11-25 | 西安应用光学研究所 | Target system for distortion test |
| CN103499433A (en) * | 2013-09-30 | 2014-01-08 | 中国科学院西安光学精密机械研究所 | Distortion calibration device and method for f-theta optical system |
| CN106404352A (en) * | 2016-08-23 | 2017-02-15 | 中国科学院光电技术研究所 | Method for measuring large field-of-view telescope optical system distortion and field curvature |
| CN106404352B (en) * | 2016-08-23 | 2019-01-11 | 中国科学院光电技术研究所 | A kind of measurement method of Large Area Telescope optical system distortion and the curvature of field |
| CN109253868A (en) * | 2018-10-24 | 2019-01-22 | 京东方科技集团股份有限公司 | A kind of visual field angle measuring method and device |
| CN109253868B (en) * | 2018-10-24 | 2020-04-24 | 京东方科技集团股份有限公司 | Method and device for measuring field angle |
| CN109596319A (en) * | 2018-11-26 | 2019-04-09 | 歌尔股份有限公司 | The detection system and method for optics module parameter |
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| CF01 | Termination of patent right due to non-payment of annual fee |