CN204854657U - Mark many optical axises optical system parallelism of optical axes's device - Google Patents

Mark many optical axises optical system parallelism of optical axes's device Download PDF

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Publication number
CN204854657U
CN204854657U CN201520301668.XU CN201520301668U CN204854657U CN 204854657 U CN204854657 U CN 204854657U CN 201520301668 U CN201520301668 U CN 201520301668U CN 204854657 U CN204854657 U CN 204854657U
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CN
China
Prior art keywords
optical
axises
many
parallelism
many optical
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CN201520301668.XU
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Chinese (zh)
Inventor
李春艳
巩稼民
汤琦
乔琳
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西安邮电大学
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Priority to CN201520301668.XU priority Critical patent/CN204854657U/en
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Publication of CN204854657U publication Critical patent/CN204854657U/en

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Abstract

The utility model discloses a mark many optical axises optical system parallelism of optical axes's device, the device includes high accuracy auto -collimation theodolite, planar mirror, wait to mark many optical axises optical system, a pedestal, cross target plate and rotary platform, many optical axises optical system and planar mirror all install on the base, and planar mirror is located many optical axises optical system rear end, the base is placed on rotary platform, the positions beyond 1000 times macro lens focuses of optical system front end are fixed to the cross target plate, the setting of auto -collimation theodolite is in the planar mirror rear end and aim measurement planar mirror. The utility model discloses the device can reduce the preparation and the installation degree of difficulty of check out test set, and not high to the place requirement, measurement operation is convenient, and the suitability is high, has eliminated the installation error of level crossing, is applicable to many optical axises optical system's parallelism of optical axes's measurement or demarcation.

Description

A kind of device demarcating many optical axises system optical axis depth of parallelism

Technical field

The utility model relates to optical system and measures field, specifically a kind of device demarcating many optical axises system optical axis depth of parallelism.

Background technology

Traditional parallelism of optical axis bearing calibration and device use large-caliber off-axis parabolic reflector formula parallel light tube, the bore of parallel light tube covers tested many optical axises optical system, the directional light sent by many optical axises optical system graticule rear end light source is reflected through parabolic reflector formula parallel light tube, the focus of beams converge leaves optical axis, can be judged the parallelism of optical axis of many optical axises optical system by the position of each focus.But the system that this method corrects requires higher to the bore of parabolic mirror and face shape, make calibration facility processing and fabricating complicated, the cycle is long, and cost is higher, and changes light source in trimming process, there is manual operation error, and correction accuracy is difficult to ensure.For overcoming the above problems, the people such as Xiao Maosen, Wu Yiming propose " many plain shaft parallelisms rectifier and scaling method thereof " (patent No.: CN102620688), reduce the fabrication and installation cost of calibration equipment, and can flexible configuration to adapt to the correction demand of different many optical axises optical systems.Each method is aimed at rear end and has the optical system that light source or inside have graticule above, cannot be applicable to the correction of many optical axises system optical axis collimation of conventional Christmas image (as monitored or photography).

And for this type systematic, the method generally adopted at present is by laser range finder, cross target plate and the telescopic system with graticule, found range by the division line of telescopic system crossline of sight, by aiming line shift until target departs from visual field, according to the distance of each offset distance drawn and systematic optical axis to be measured and telescopic system guidance axis, calculate the optical axis deviation of the two.The method realizes the detection of angle by range finding, and multiple optical system combination makes the bore of equipment and volume comparatively large, makes troubles to Installation and Debugging and transport.For the many optical axises optical system not having stadimeter and telescopic system, cannot realize parallelism of optical axis and detect, the error component of system introducing is more in addition, and the reliability of measurement result is not high.In recent years, scholars also been proposed adopt ZYGO interferometer or inside to have cross division line and the parallel light tube that can send multiple spectrum to demarcate the parallelism of optical axis of many optical axises optical system, all there is checkout equipment and manufacture complicated or expensive in these scaling methods, system is higher to site requirements, bulky, need in calibration process to change functional module, the shortcomings such as complicated operation.

Utility model content

The purpose of this utility model is to provide a kind of device demarcating many optical axises system optical axis depth of parallelism, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technical scheme:

A kind of device demarcating many optical axises system optical axis depth of parallelism, comprise high precision autocollimation theodolite, plane mirror, many optical axises optical system to be calibrated, pedestal, cross target plate and rotation platform, described many optical axises optical system and plane mirror are installed on pedestal, and plane mirror is positioned at many optical axises optical system rear end, described pedestal is positioned on rotation platform, described cross target plate is fixed on many optical axises optical system front end to be calibrated, and described autocollimation theodolite is arranged on plane mirror rear end and target plane catoptron.

As the further scheme of the utility model: described cross target plate is fixed on the position beyond the maximum lens focus in many optical axises optical system front end to be calibrated 1000 times.

Compared with prior art, the beneficial effects of the utility model are: the utility model and this system have the making and installation difficulty that greatly reduce checkout equipment, not high to site requirements, measure easy to operate, applicability is high, eliminate the alignment error of level crossing, and this system and method is applicable to measurement or the demarcation of many optical axises system optical axis depth of parallelism of many optical axises optical system and multispectral (corresponding multispectral cross target plate).

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the utility model device.

Fig. 2 is calibration structure schematic diagram of the present utility model.

Fig. 3 is each position angle angle value schematic diagram in the utility model scaling method.

In figure: 1-high precision autocollimation theodolite; 2-plane mirror; 21-plane mirror normal; 3-rotation platform; 4-many optical axises optical system to be calibrated; 41-camera lens 1; 411-camera lens 1 peripheral field; 412-camera lens 1 optical axis; 413-camera lens 1 peripheral field; 42-camera lens 2; 421-camera lens 2 peripheral field; 422-camera lens 2 optical axis; 423-camera lens 2 peripheral field; 5-cross target plate; 6-pedestal.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1, in the utility model embodiment, a kind of device demarcating many optical axises system optical axis depth of parallelism, comprise high precision autocollimation theodolite, plane mirror, many optical axises optical system to be calibrated, pedestal, cross target plate and rotation platform, many optical axises optical system and plane mirror are installed on pedestal, and plane mirror is positioned at many optical axises optical system rear end, pedestal is positioned on rotation platform, cross target plate is fixed on the position beyond the maximum lens focus in many optical axises optical system front end to be calibrated 1000 times, autocollimation theodolite is arranged on plane mirror rear end and aims at the normal of measurement plane catoptron.

As shown in Figures 2 and 3, the method for this device normalization many optical axises system optical axis depth of parallelism,

(1) obtaining autocollimation theodolite for position angle, plane mirror normal place is ;

(2) rotation platform is rotated, many optical axises optical system to be calibrated on rotation platform is rotated along azimuth direction, observe simultaneously and demarcate many optical axises optical system imaging result, when cross target plate has just appeared at camera lens 1 field of view edge, record now autocollimation theodolite and aimed at the orientation values of measurement plane catoptron ;

(3) be rotated further rotation platform, in the same side, when cross target plate has just appeared at camera lens 2 field of view edge, recorded now autocollimation theodolite and aim at the orientation values of measurement plane catoptron , wherein autocollimation theodolite rotates clockwise orientation values change greatly, and the angle of two lens edge visual fields is ;

(4) be rotated further rotation platform, depart from the visual field of camera lens 1 to cross target plate from other side, and when camera lens 1 field of view edge, record now autocollimation theodolite and aim at the orientation values of measurement plane catoptron , wherein for the field angle of camera lens 1;

(5) be rotated further rotation platform, when cross target plate has just appeared at camera lens 2 field of view edge, recorded now autocollimation theodolite and aim at the orientation values of measurement plane catoptron , for the field angle of camera lens 2;

(6) orientation values of autocollimation theodolite repetitive measurement is calculated, then

Angle between the position angle at camera lens 1 optical axis place and plane mirror normal is:

(1)

The azimuth angle theta at camera lens 1 optical axis place 1for:

(2)

The azimuth angle theta at camera lens 2 optical axis place 2for:

(3)

The then angle theta of two camera lens optical axis 0for:

(4)

In like manner, the plain shaft parallelism of the many optical axises optical system more than two optical axises all can adopt above method measurement of demarcating between two to draw.

What more than complete is that many optical axises optical system is measured in the parallelism of optical axis of azimuth direction and demarcated, adopt and use the same method, being combined can the platform of luffing, measure and demarcate pitch orientation parallelism of optical axis, many optical axises optical system can be completed in the measurement of the parallelism of optical axis of orientation and pitching both direction and demarcation.

This system is also applicable to measurement or the demarcation of the multispectral system optical axis depth of parallelism, only needs to take corresponding multispectral cross target plate.

Can be found out by (4) formula, this method eliminates the alignment error of level crossing, and this system has the making and installation difficulty that greatly reduce checkout equipment, not high to site requirements, measure easy to operate, applicability high.

Claims (2)

1. demarcate the device of many optical axises system optical axis depth of parallelism for one kind, comprise high precision autocollimation theodolite, plane mirror, many optical axises optical system to be calibrated, pedestal, cross target plate and rotation platform, it is characterized in that, described many optical axises optical system and plane mirror are installed on pedestal, and plane mirror is positioned at many optical axises optical system rear end, described pedestal is positioned on rotation platform, described cross target plate is fixed on many optical axises optical system front end to be calibrated, and described autocollimation theodolite is arranged on plane mirror rear end and target plane catoptron.
2. the device of demarcation many optical axises system optical axis depth of parallelism according to claim 1, is characterized in that, described cross target plate is fixed on the position beyond the maximum lens focus in many optical axises optical system front end to be calibrated 1000 times.
CN201520301668.XU 2015-05-12 2015-05-12 Mark many optical axises optical system parallelism of optical axes's device CN204854657U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105091792A (en) * 2015-05-12 2015-11-25 西安邮电大学 Device for calibrating parallelism of optical axis of multi-axis optical system, and calibration method thereof
CN106247998A (en) * 2016-08-16 2016-12-21 江苏北方湖光光电有限公司 A kind of laser axis and the calibration method of reflecting mirror normal parallel
CN106706269A (en) * 2016-12-13 2017-05-24 歌尔科技有限公司 Method and device for detecting double fisheye lenses
CN108168471A (en) * 2018-02-09 2018-06-15 中国科学院长春光学精密机械与物理研究所 Polarize the installation parallelism detection method of robot scaling equipment
CN109613711A (en) * 2018-12-29 2019-04-12 深圳航星光网空间技术有限公司 Draw the method and device of optical antenna outgoing beam optical axis

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105091792A (en) * 2015-05-12 2015-11-25 西安邮电大学 Device for calibrating parallelism of optical axis of multi-axis optical system, and calibration method thereof
CN105091792B (en) * 2015-05-12 2017-11-03 西安邮电大学 A kind of device and its scaling method for demarcating many optical axis system optical axis depth of parallelisms
CN106247998A (en) * 2016-08-16 2016-12-21 江苏北方湖光光电有限公司 A kind of laser axis and the calibration method of reflecting mirror normal parallel
CN106247998B (en) * 2016-08-16 2019-02-15 江苏北方湖光光电有限公司 A kind of calibration method of laser axis and reflecting mirror normal parallel
CN106706269A (en) * 2016-12-13 2017-05-24 歌尔科技有限公司 Method and device for detecting double fisheye lenses
CN108168471A (en) * 2018-02-09 2018-06-15 中国科学院长春光学精密机械与物理研究所 Polarize the installation parallelism detection method of robot scaling equipment
CN108168471B (en) * 2018-02-09 2019-10-15 中国科学院长春光学精密机械与物理研究所 Polarize the installation parallelism detection method of robot scaling equipment
CN109613711A (en) * 2018-12-29 2019-04-12 深圳航星光网空间技术有限公司 Draw the method and device of optical antenna outgoing beam optical axis

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Granted publication date: 20151209

Effective date of abandoning: 20171103