CN102878952B - Plain shaft parallelism calibration system and scaling method - Google Patents
Plain shaft parallelism calibration system and scaling method Download PDFInfo
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- CN102878952B CN102878952B CN201210358761.5A CN201210358761A CN102878952B CN 102878952 B CN102878952 B CN 102878952B CN 201210358761 A CN201210358761 A CN 201210358761A CN 102878952 B CN102878952 B CN 102878952B
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Abstract
The present invention relates to a kind of plain shaft parallelism calibration system and scaling method, plain shaft parallelism calibration system includes autocollimation theodolite, data handling machine and for autocollimation theodolite carries out the plane mirror of autocollimatic；Optical system to be measured is arranged on the emitting light path of autocollimation theodolite and is electrical connected with data handling machine.The invention provides a kind of measuring accuracy is high, real-time is good and application is wide plain shaft parallelism calibration system and scaling method.
Description
Technical field
The invention belongs to optical field, relate to a kind of scaling method, particularly relate to a kind of plain shaft parallelism calibration system and scaling method.
Background technology
Development along with science and technology, military photoelectricity armament equipment function is abundanter, performance indications are higher, and typically all include multiple photoelectric sensors such as TV, infrared, laser, can complete the search to target, capture, follow the tracks of, aim at, the function such as imaging and laser irradiation, the spectrum of these optical devices almost covers visible ray can also obtain the spectral characteristic information of target to infrared whole wave bands, the physical characteristic parameter that can not only obtain target.For this equipment integrating multiple optical instrument, necessarily lead to the plain shaft parallelism problem between all multibeam optical systems.Collimation between each optical axis plays vital effect in terms of ensureing the probability of impacting of armament systems, hit precision and in terms of the accuracy of acquisition target information.Therefore, the depth of parallelism of optical axis is an important performance characteristic of many light axle system.
Summary of the invention
In order to solve above-mentioned technical problem present in background technology, the invention provides a kind of measuring accuracy is high, real-time is good and application is wide plain shaft parallelism calibration system and scaling method.
The technical solution of the present invention is: the invention provides a kind of plain shaft parallelism calibration system, and it is characterized in that described plain shaft parallelism calibration system includes autocollimation theodolite, data handling machine and for autocollimation theodolite carries out the plane mirror of autocollimatic；Optical system to be measured is arranged on the emitting light path of autocollimation theodolite and is electrical connected with data handling machine.
Optical system to be measured is many light axle system.
Optical system to be measured is to have many light axle system of multiple sensor.
A kind of plain shaft parallelism scaling method, it is characterized in that described scaling method comprises the following steps:
1) autocollimation theodolite is placed on the first sensor front of many light axle system, open the laser instrument of photoelectric auto-collimation theodolite, and adjust the crosshair that photoelectric auto-collimation theodolite makes it send and be imaged on the target surface center of first sensor, by the reading (A of data handling machine record now autocollimation theodolite1, E1)；
2) autocollimation theodolite orientation is rotated 90 °, adjust plane mirror and make plane mirror to autocollimation theodolite autocollimatic；
3) move the autocollimation theodolite the second sensor front to many light axle system, and with autocollimation theodolite, plane mirror is carried out autocollimatic；
4) autocollimation theodolite orientation is made to rotate 90 °, and autocollimation theodolite orientation angles is set to 0 °, the crosshair that adjustment autocollimation theodolite makes the laser instrument of autocollimation theodolite be sent is imaged on the target surface center of the second sensor, records the reading (A of now autocollimation theodolite2, E2)；
5) parallelism of optical axis between many optical axises first sensor and the second sensor is obtained according to the reading of the autocollimation theodolite obtained by step 1) and step 4).
Above-mentioned steps 5) specific implementation be:
5.1) the optical axis parallel error between first sensor and the second sensor is calculated according to the reading of the autocollimation theodolite obtained by step 1) and step 4)；The calculation of the optical axis parallel error between described first sensor and the second sensor is:
ΔA=A2
ΔE=E1-E2；
5.2) judge whether the optical axis of first sensor and the light between centers of the second sensor belong to parallel according to the optical axis parallel error between first sensor and the second sensor；If parallel error is zero, then the optical axis of first sensor and the light between centers of the second sensor are in parastate；If parallel error is non-zero, then the depth of parallelism of the light between centers of the optical axis of first sensor and the second sensor is parallel error.
The invention have the advantage that
The plain shaft parallelism calibration system of present invention offer and scaling method, its test equipment is simple, it is only necessary to utilize conventional optical detection reflecting mirror and autocollimation theodolite, it is not necessary to heavy, complicated, expensive equipment, i.e. economy facilitate again；Testing procedure is simple, process variable is few, and certainty of measurement is high；Data handling procedure is simple, and real-time is good, can be not only used for the demarcation of many parallelisms of optical axis, is also used in debuging of multisensor syste；Application is wide, and the method is applicable not only to plain shaft parallelism test and the demarcation of many optical axises optoelectronic device, applies also for the depth of parallelism test of multiple collimator optical axis；Strong adaptability, the method is not limited by the distance between each sensor and each sensor aperture, can realize the plain shaft parallelism test between multiple any distance, any bore photoelectric sensor with small-bore autocollimation theodolite.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of plain shaft parallelism calibration system provided by the present invention；
Wherein:
1-plane mirror；2-autocollimation theodolite；3-data handling machine.
Detailed description of the invention
Seeing Fig. 1, the invention provides a kind of plain shaft parallelism calibration system, this plain shaft parallelism calibration system includes autocollimation theodolite 2, data handling machine 3 and for autocollimation theodolite 2 carries out the plane mirror 1 of autocollimatic；Optical system to be measured is arranged on the emitting light path of autocollimation theodolite 2 and is electrical connected with data handling machine 3；Optical system to be measured is many light axle system, preferably has many light axle system of multiple sensor.
The present invention, while providing above-mentioned calibration system, additionally provides a kind of scaling method based on this calibration system, and the method comprises the following steps:
1) autocollimation theodolite 2 is placed on the first sensor front of many light axle system, open the laser instrument of photoelectric auto-collimation theodolite 2, and adjust the crosshair that photoelectric auto-collimation theodolite 2 makes it send and be imaged on the target surface center of first sensor, the reading (A of now autocollimation theodolite 2 is recorded by data handling machine 31, E1)；
2) autocollimation theodolite 2 orientation is rotated 90 °, adjust plane mirror 1 and make plane mirror 1 to autocollimation theodolite 2 autocollimatic；
3) move the autocollimation theodolite 2 second sensor front to many light axle system, and with autocollimation theodolite 2, plane mirror 1 is carried out autocollimatic；
4) autocollimation theodolite 2 orientation is made to rotate 90 °, and autocollimation theodolite 2 orientation angles is set to 0 °, the crosshair that adjustment autocollimation theodolite 2 makes the laser instrument of autocollimation theodolite 2 be sent is imaged on the target surface center of the second sensor, records the reading (A of now autocollimation theodolite 22, E2)；
5) according to the parallelism of optical axis between reading acquisition many optical axises first sensor and second sensor of the autocollimation theodolite 2 obtained by step 1) and step 4):
5.1) the optical axis parallel error between first sensor and the second sensor is calculated according to the reading of the autocollimation theodolite 2 obtained by step 1) and step 4)；The calculation of the optical axis parallel error between described first sensor and the second sensor is:
ΔA=A2
ΔE=E1-E2；
5.2) judge whether the optical axis of first sensor and the light between centers of the second sensor belong to parallel according to the optical axis parallel error between first sensor and the second sensor；If parallel error is zero, then the optical axis of first sensor and the light between centers of the second sensor are in parastate；If parallel error is non-zero, then the depth of parallelism of the light between centers of the optical axis of first sensor and the second sensor is parallel error.
Claims (2)
1. a scaling method based on plain shaft parallelism calibration system, described plain shaft parallelism calibration system includes autocollimation theodolite, data handling machine and for autocollimation theodolite carries out the plane mirror of autocollimatic；Optical system to be measured is arranged on the emitting light path of autocollimation theodolite and is electrical connected with data handling machine；Optical system to be measured is to have many light axle system of multiple sensor；
It is characterized in that: described scaling method comprises the following steps:
1) autocollimation theodolite is placed on the first sensor front of many light axle system, open the laser instrument of photoelectric auto-collimation theodolite, and adjust the crosshair that photoelectric auto-collimation theodolite makes it send and be imaged on the target surface center of first sensor, by the reading (A of data handling machine record now autocollimation theodolite1, E1)；
2) autocollimation theodolite orientation is rotated 90 °, adjust plane mirror and make plane mirror to autocollimation theodolite autocollimatic；
3) move the autocollimation theodolite the second sensor front to many light axle system, and with autocollimation theodolite, plane mirror is carried out autocollimatic；
4) autocollimation theodolite orientation is made to rotate 90 °, and autocollimation theodolite orientation angles is set to 0 °, the crosshair that adjustment autocollimation theodolite makes the laser instrument of autocollimation theodolite be sent is imaged on the target surface center of the second sensor, records the reading (A of now autocollimation theodolite2, E2)；
5) according to step 1) and step 4) obtained by the reading of autocollimation theodolite obtain the parallelism of optical axis between many optical axises first sensor and the second sensor.
Scaling method the most according to claim 1, it is characterised in that: described step 5) specific implementation be:
5.1) according to step 1) and step 4) obtained by the reading of autocollimation theodolite calculate the optical axis parallel error between first sensor and the second sensor；The calculation of the optical axis parallel error between described first sensor and the second sensor is:
Δ A=A2-0
Δ E=E1-E2；
5.2) judge whether the optical axis of first sensor and the light between centers of the second sensor belong to parallel according to the optical axis parallel error between first sensor and the second sensor；If parallel error is zero, then the optical axis of first sensor and the light between centers of the second sensor are in parastate；If parallel error is non-zero, then the depth of parallelism of the light between centers of the optical axis of first sensor and the second sensor is parallel error.
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| CN201210358761.5A CN102878952B (en) | 2012-09-25 | 2012-09-25 | Plain shaft parallelism calibration system and scaling method |
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| CN201210358761.5A CN102878952B (en) | 2012-09-25 | 2012-09-25 | Plain shaft parallelism calibration system and scaling method |
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| CN103353285B (en) * | 2013-07-23 | 2015-11-04 | 中国人民解放军总装备部军械技术研究所 | The multi-light axis consistency pick-up unit of platform photoelectric instrument and detection method thereof |
| CN104142579B (en) * | 2014-07-23 | 2016-06-01 | 西安空间无线电技术研究所 | A kind of prestige formula of diving is caught and is debug method with mechanism's speculum |
| CN104581150B (en) * | 2015-01-27 | 2017-01-11 | 北京空间机电研究所 | Positioning and error compensation method |
| CN104697552B (en) * | 2015-02-17 | 2017-09-22 | 中国科学院西安光学精密机械研究所 | A kind of misalignment scaling method of Two-Axis Autocollimator |
| CN105423958B (en) * | 2015-12-08 | 2018-11-16 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of more parallelism of optical axis detection devices and detection method |
| CN107817094B (en) * | 2017-09-14 | 2019-12-20 | 西安科佳光电科技有限公司 | High-precision homodromous double-optical-axis and multi-optical-axis parallelism adjusting method |
| CN107796337B (en) * | 2017-09-14 | 2020-04-07 | 西安科佳光电科技有限公司 | High-precision reverse double-optical-axis and multi-optical-axis parallelism adjusting method |
| CN107817095B (en) * | 2017-09-14 | 2019-12-20 | 西安科佳光电科技有限公司 | High-precision homodromous double-optical-axis and multi-optical-axis parallelism adjusting method |
| CN107843413B (en) * | 2017-09-14 | 2020-01-10 | 西安科佳光电科技有限公司 | High-precision reverse double-optical-axis and multi-optical-axis parallelism adjusting method |
| CN110966962A (en) * | 2018-09-29 | 2020-04-07 | 中国科学院长春光学精密机械与物理研究所 | All-sky-domain laser parallelism calibration equipment |
| CN109724622A (en) * | 2018-12-26 | 2019-05-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical system calibration facility |
| CN112068322B (en) * | 2020-09-09 | 2022-06-17 | 西安应用光学研究所 | Multi-detector system optical axis parallelism correction method based on laser displacement sensor |
| CN112729354A (en) * | 2020-12-23 | 2021-04-30 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Raman optical module integrated assembling and adjusting method and Raman optical path adjusting device |
| CN116429375B (en) * | 2023-03-29 | 2024-03-12 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
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| US7266897B2 (en) * | 2004-06-21 | 2007-09-11 | Laserline Mfg., Inc. | Self-aligning, self plumbing baseline instrument |
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