CN101118156A - Device for detecting parallelism between laser light and optical axis of visible light system - Google Patents
Device for detecting parallelism between laser light and optical axis of visible light system Download PDFInfo
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- CN101118156A CN101118156A CNA2007100560380A CN200710056038A CN101118156A CN 101118156 A CN101118156 A CN 101118156A CN A2007100560380 A CNA2007100560380 A CN A2007100560380A CN 200710056038 A CN200710056038 A CN 200710056038A CN 101118156 A CN101118156 A CN 101118156A
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- 230000004069 differentiation Effects 0.000 claims abstract description 14
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- 230000009897 systematic effect Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 5
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Abstract
本发明涉及对光电测控设备的光轴平行性进行检测的设备，具体涉及一种检测激光与可见光系统光轴平行性的装置，由反射式平行光管、光源和计算机组成，反射式平行光管按以下方式构成：从光管接收口端向下依次设置有减光片、双曲面镜、具有中心孔的抛物镜、与光管光轴成45°角的半反半透镜、在抛物镜与双曲面镜所组成的准直光路的焦面上设置一CCD器件，其靶面中心位于光管光轴上，在由半反半透镜所形成的共轭焦面处设有十字丝分化板；在光管外对应于十字丝分化板处设置所述的光源；CCD器件的图像输出端与所述的计算机图像采集卡相连接。本发明为实现对光电测控设备的激光与可视系统光轴平行性检测提供了有效的技术手段。
The invention relates to a device for detecting the parallelism of the optical axis of photoelectric measurement and control equipment, in particular to a device for detecting the parallelism of the optical axis of a laser and a visible light system, which is composed of a reflective collimator, a light source and a computer. The reflective collimator It is composed in the following way: from the receiving end of the light pipe, there are sequentially arranged a light-reducing sheet, a hyperboloid mirror, a parabolic mirror with a central hole, a semi-reflective half-mirror at an angle of 45° to the optical axis of the light pipe, and the parabolic mirror and the optical axis of the light pipe. A CCD device is arranged on the focal plane of the collimating optical path formed by the hyperboloid mirror, and the center of the target surface is located on the optical axis of the light pipe, and a crosshair differentiation plate is arranged at the conjugate focal plane formed by the half mirror; The light source is arranged outside the light pipe corresponding to the crosshair differentiation plate; the image output end of the CCD device is connected with the computer image acquisition card. The invention provides an effective technical means for realizing the detection of the parallelism between the laser light of the photoelectric measurement and control equipment and the optical axis of the visual system.
Description
Technical field
The present invention relates to the optical instrument checkout equipment, particularly a kind of equipment that the plain shaft parallelism of photoelectric monitoring equipment with a plurality of optical systems is detected.
Background technology
Be furnished with simultaneously in the present large photoelectric monitoring equipment that visible light, medium wave are infrared, a plurality of optical systems such as LONG WAVE INFRARED and laser ranging, purpose is to make photoelectric measurement equipment possess multispectral section detectivity, has more strong functions.In order to finish detection and the measuring task to target, The key factor is to make all kinds of imaging optical systems parallel with the optical axis strictness of laser distance measuring system, keeps identical sensing, with the consistance and the accuracy of each system's measurements of guaranteeing the photoelectric tracking measuring equipment.Need to seek a kind of detection method for this reason, can check the collimation between all kinds of system optical axis, for the check adjustment of large photoelectric monitoring system provides foundation.The disclosed a kind of device that adopts thermal target technology that three-axle parallel of large photoelectric monitoring equipment is detected of the applicant's patented claim formerly (application number 200610016518.X), owing to adopt hot target to carry out thermal cross over, the collimation that therefore can only realize laser system and infrared system detects, can't realize the detection of laser and visible system, and reading of parallel misalignment places one's entire reliance upon by check system.
Summary of the invention
The objective of the invention is to propose the device of a kind of detection laser and visible light systematic optical axis collimation, detect to realize the laser system and the collimation of visible systematic optical axis.
The device of detection laser of the present invention and visible light systematic optical axis collimation, by the reflective parallel light tube that is arranged on the base slide unit, light source and computing machine are formed, described reflective parallel light tube constitutes in the following manner: can simultaneously correspondingly contain the laser of tested instrument and the light pipe receiving port end of visible light systematic optical axis is disposed with light damping plate downwards from bore, hyperbolic mirror, parabolic lens with center pit, half-reflecting half mirror with light pipe optical axis angle at 45, on the focal plane of the collimated light path that parabolic lens and hyperbolic mirror are formed, a CCD device is set, its target surface is centered close on the light pipe optical axis, is being provided with crosshair differentiation plate by the formed conjugate focal planes of half-reflecting half mirror place; Outside light pipe, described light source is set corresponding to crosshair differentiation plate place; The output end of image of CCD device is connected with described collecting image of computer card.
Pick-up unit of the present invention provides effective technical means for realizing to the laser and the detection of visible system plain shaft parallelism of photoelectric monitoring equipment; And the parallel misalignment of laser and visible system is handled the back automatically by computing machine and is shown, does not need to rely on tested equipment and carries out interpretation.
Description of drawings
Fig. 1 is the light path principle synoptic diagram of pick-up unit of the present invention.
Embodiment
Below the embodiment that provides with regard to accompanying drawing structure of the present invention is described in further detail.
With reference to Fig. 1, the device of a kind of detection laser and visible light systematic optical axis collimation, by the reflective parallel light tube that is arranged on the base slide unit, light source and computing machine are formed, described reflective parallel light tube constitutes in the following manner: can simultaneously correspondingly contain the laser of tested instrument and the light pipe receiving port end of visible light systematic optical axis is disposed with light damping plate 1 downwards from bore, hyperbolic mirror 2, parabolic lens 3 with center pit, half-reflecting half mirror 4 with light pipe optical axis angle at 45, on the focal plane of the collimated light path that parabolic lens 3 and hyperbolic mirror 2 are formed, a CCD device 5 is set, its target surface is centered close on the light pipe optical axis, is being provided with crosshair differentiation plate 6 by half-reflecting half mirror 4 formed conjugate focal planes places; Outside light pipe, described light source 7 is set corresponding to crosshair differentiation plate 6 places; The output end of image of CCD device is connected with described collecting image of computer card.
The principle of work of this pick-up unit is:
Before the collimated light path system that forms by parabolic lens and hyperbolic mirror, place light damping plate, on the focal plane of collimated light path, place the CCD receiver, place a half-reflecting half mirror before the CCD receiver, through the half-reflection and half-transmission mirror reflection, form a focal plane with CCD receiver position conjugate, crosshair differentiation plate is set, this crosshair differentiation plate of light illumination at this focal plane place.Adjust crosshair differentiation plate and CCD receiver, crosshair differentiation plate center and CCD target surface center all are positioned on the optical axis of collimated light path system.
Detection is during by the test examination instrument plain shaft parallelism, at first open lighting source of the present invention, illumination crosshair differentiation plate, adjustment is pointed to by the test examination instrument optical axis, make crosshair differentiation plate be imaged on the center, visual field of visible light optical system, close lighting source, open by test examination instrument Laser emission switch, the laser beam that is sent by the generating laser of test examination instrument enters the collimated light path system that is made up of parabolic lens and hyperbolic mirror after light damping plate carries out energy attenuation, converge on the CCD target surface, CCD outputs to the computer acquisition card after collecting image, after the capture card conversion, form the digitized image of hot spot, this image is again through the past background, after processing such as noise, draw the center of gravity of its hot spot by the light intensity weighting algorithm, finally obtain the collimation error of laser system optical axis and visible light system optical axis by the deviation distance at this centre of gravity place and CCD target surface center.
Claims (1)
1. the device of detection laser and visible light systematic optical axis collimation, by the reflective parallel light tube that is arranged on the base slide unit, light source and computing machine are formed, it is characterized in that described reflective parallel light tube constitutes in the following manner: can correspondingly simultaneously contain the laser of tested instrument and the light pipe receiving port end of visible light systematic optical axis from bore, be disposed with light damping plate (1) downwards, hyperbolic mirror (2), parabolic lens (3) with center pit, half-reflecting half mirror (4) with light pipe optical axis angle at 45, on the focal plane of the collimated light path that parabolic lens (3) and hyperbolic mirror (2) are formed, a CCD device (5) is set, its target surface is centered close on the light pipe optical axis, is being provided with crosshair differentiation plate (6) by the formed conjugate focal planes of half-reflecting half mirror (4) place; Outside light pipe, locate to be provided with described light source (7) corresponding to crosshair differentiation plate (6); The output end of image of CCD device is connected with described collecting image of computer card.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100560380A CN100504293C (en) | 2007-09-07 | 2007-09-07 | Device for detecting parallelism between laser light and optical axis of visible light system |
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| CNB2007100560380A CN100504293C (en) | 2007-09-07 | 2007-09-07 | Device for detecting parallelism between laser light and optical axis of visible light system |
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| CN101118156A true CN101118156A (en) | 2008-02-06 |
| CN100504293C CN100504293C (en) | 2009-06-24 |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718534B (en) * | 2009-12-22 | 2011-01-19 | 中国科学院长春光学精密机械与物理研究所 | Multi-optical system optical axis parallelism detector |
| CN102162932A (en) * | 2011-04-14 | 2011-08-24 | 中国科学院西安光学精密机械研究所 | Collimator for semiconductor laser |
| CN102589605A (en) * | 2012-03-07 | 2012-07-18 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN102901467A (en) * | 2012-11-07 | 2013-01-30 | 中国科学院长春光学精密机械与物理研究所 | Device for correcting parallelism degree of laser emission optical axis and capturing and tracking visual axis |
| CN102967277A (en) * | 2012-11-19 | 2013-03-13 | 尹玉军 | Method for measuring depth of parallelism of orienting pipes |
| CN103148938A (en) * | 2013-02-22 | 2013-06-12 | 无锡市星迪仪器有限公司 | Device for providing full spectrum target |
| CN103308005A (en) * | 2013-06-12 | 2013-09-18 | 西安应用光学研究所 | Optical axis adjusting method for linear-array inverse-photoelectric observing and sighting device |
| CN103512728A (en) * | 2013-09-29 | 2014-01-15 | 四川九洲电器集团有限责任公司 | Total-range multi-optical-axis consistency calibration device and method |
| CN104062753A (en) * | 2014-06-16 | 2014-09-24 | 苏州理欧电子科技有限公司 | Photoelectric auto-collimation collimator |
| CN106056025A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
| CN110488474A (en) * | 2019-09-24 | 2019-11-22 | 西安佐威光电科技有限公司 | A kind of heavy caliber dual paraboloid reflecting module parallel light tube |
| CN111076679A (en) * | 2019-12-28 | 2020-04-28 | 中国船舶重工集团公司第七一七研究所 | Laser and video real-time coaxial correction system and method |
| CN111142574A (en) * | 2019-12-28 | 2020-05-12 | 中国船舶重工集团公司第七一七研究所 | Laser emission correction system and method for optical machine structure deformation compensation |
| CN111256952A (en) * | 2020-03-31 | 2020-06-09 | 北方夜视技术股份有限公司 | System and method for testing X-ray offset angle of lobster eye optical device |
| CN111536907A (en) * | 2020-04-15 | 2020-08-14 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN112099030A (en) * | 2020-10-10 | 2020-12-18 | 成都捷测科技有限公司 | A telephoto laser ranging device |
| CN113093156A (en) * | 2021-03-12 | 2021-07-09 | 昆明物理研究所 | Multi-optical-axis calibration system and method for LD laser range finder |
| CN113124820A (en) * | 2021-06-17 | 2021-07-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Monocular distance measurement method based on curved mirror |
| CN114088350A (en) * | 2021-10-01 | 2022-02-25 | 中航洛阳光电技术有限公司 | Device and method for calibrating split-caliber optical axis and application |
| CN116817767A (en) * | 2023-08-31 | 2023-09-29 | 长春理工大学 | Method and device for detecting distance between laser spot center and visible light cross wire center |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100451540C (en) * | 2006-01-12 | 2009-01-14 | 中国科学院长春光学精密机械与物理研究所 | Device for detecting three-axle parallel of large photoelectric monitoring equipment using thermal target technology |
| CN100432623C (en) * | 2006-01-24 | 2008-11-12 | 中国科学院长春光学精密机械与物理研究所 | System for testing optical axis of broadband multi-sensor electro-optic apparatus |
-
2007
- 2007-09-07 CN CNB2007100560380A patent/CN100504293C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718534B (en) * | 2009-12-22 | 2011-01-19 | 中国科学院长春光学精密机械与物理研究所 | Multi-optical system optical axis parallelism detector |
| CN102162932A (en) * | 2011-04-14 | 2011-08-24 | 中国科学院西安光学精密机械研究所 | Collimator for semiconductor laser |
| CN102589605B (en) * | 2012-03-07 | 2015-05-06 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN102589605A (en) * | 2012-03-07 | 2012-07-18 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN102901467A (en) * | 2012-11-07 | 2013-01-30 | 中国科学院长春光学精密机械与物理研究所 | Device for correcting parallelism degree of laser emission optical axis and capturing and tracking visual axis |
| CN102967277A (en) * | 2012-11-19 | 2013-03-13 | 尹玉军 | Method for measuring depth of parallelism of orienting pipes |
| CN103148938A (en) * | 2013-02-22 | 2013-06-12 | 无锡市星迪仪器有限公司 | Device for providing full spectrum target |
| CN103148938B (en) * | 2013-02-22 | 2015-06-17 | 无锡市星迪仪器有限公司 | Device for providing full spectrum target |
| CN103308005A (en) * | 2013-06-12 | 2013-09-18 | 西安应用光学研究所 | Optical axis adjusting method for linear-array inverse-photoelectric observing and sighting device |
| CN103308005B (en) * | 2013-06-12 | 2015-11-18 | 西安应用光学研究所 | The Photoperiodic effects method of the anti-photoelectric observing collimation device of linear array |
| CN103512728A (en) * | 2013-09-29 | 2014-01-15 | 四川九洲电器集团有限责任公司 | Total-range multi-optical-axis consistency calibration device and method |
| CN103512728B (en) * | 2013-09-29 | 2017-03-22 | 四川九洲电器集团有限责任公司 | Total-range multi-optical-axis consistency calibration device and method |
| CN104062753A (en) * | 2014-06-16 | 2014-09-24 | 苏州理欧电子科技有限公司 | Photoelectric auto-collimation collimator |
| CN106056025A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
| CN110488474A (en) * | 2019-09-24 | 2019-11-22 | 西安佐威光电科技有限公司 | A kind of heavy caliber dual paraboloid reflecting module parallel light tube |
| CN111142574B (en) * | 2019-12-28 | 2021-08-13 | 中国船舶重工集团公司第七一七研究所 | Laser emission correction system and method for optical machine structure deformation compensation |
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| CN111256952A (en) * | 2020-03-31 | 2020-06-09 | 北方夜视技术股份有限公司 | System and method for testing X-ray offset angle of lobster eye optical device |
| CN111536907B (en) * | 2020-04-15 | 2021-12-07 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN111536907A (en) * | 2020-04-15 | 2020-08-14 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN112099030A (en) * | 2020-10-10 | 2020-12-18 | 成都捷测科技有限公司 | A telephoto laser ranging device |
| CN113093156A (en) * | 2021-03-12 | 2021-07-09 | 昆明物理研究所 | Multi-optical-axis calibration system and method for LD laser range finder |
| CN113093156B (en) * | 2021-03-12 | 2023-10-27 | 昆明物理研究所 | Multi-optical axis calibration system and method for LD laser range finder |
| CN113124820A (en) * | 2021-06-17 | 2021-07-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Monocular distance measurement method based on curved mirror |
| CN113124820B (en) * | 2021-06-17 | 2021-09-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Monocular distance measurement method based on curved mirror |
| CN114088350A (en) * | 2021-10-01 | 2022-02-25 | 中航洛阳光电技术有限公司 | Device and method for calibrating split-caliber optical axis and application |
| CN114088350B (en) * | 2021-10-01 | 2023-10-24 | 中航洛阳光电技术有限公司 | Device, method and application for calibrating split-caliber optical axis |
| CN116817767A (en) * | 2023-08-31 | 2023-09-29 | 长春理工大学 | Method and device for detecting distance between laser spot center and visible light cross wire center |
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