CN102878952A - Optical axis parallelism calibration system and calibration method - Google Patents
Optical axis parallelism calibration system and calibration method Download PDFInfo
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- CN102878952A CN102878952A CN2012103587615A CN201210358761A CN102878952A CN 102878952 A CN102878952 A CN 102878952A CN 2012103587615 A CN2012103587615 A CN 2012103587615A CN 201210358761 A CN201210358761 A CN 201210358761A CN 102878952 A CN102878952 A CN 102878952A
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Abstract
The invention relates to an optical axis parallelism calibration system and a calibration method, wherein the optical axis parallelism calibration system comprises an auto-collimation theodolite, a data processing computer and a plane reflector for auto-collimation of the auto-collimation theodolite; the optical system to be measured is arranged on the emergent light path of the auto-collimation theodolite and is electrically connected with the data processing computer. The invention provides an optical axis parallelism calibration system and a calibration method which are high in test precision, good in real-time performance and wide in application field.
Description
Technical field
The invention belongs to optical field, relate to a kind of scaling method, relate in particular to a kind of plain shaft parallelism calibration system and scaling method.
Background technology
Development along with science and technology, military photoelectricity weapon functions of the equipments are abundanter, performance index are higher, and generally all include a plurality of photoelectric sensors such as TV, infrared, laser, can finish search to target, catch, follow the tracks of, the function such as aiming, imaging and Ear Mucosa Treated by He Ne Laser Irradiation, the spectrum nearly cover of these optical devices visible light to infrared whole wave bands, the physical characteristics parameter that not only can obtain target can also obtain the spectral characteristic information of target.For this equipment that integrates multiple optical instrument, certainly lead to the plain shaft parallelism problem between all multibeam optical systems.Collimation between each optical axis plays vital effect at the accuracy aspect that guarantees aspect the probability of impacting of armament systems, the hit precision and obtain target information.Therefore, the depth of parallelism of optical axis is an important performance characteristic of many optical axises system.
Summary of the invention
In order to solve the above-mentioned technical matters that exists in the background technology, the invention provides a kind of measuring accuracy is high, real-time good and application is wide plain shaft parallelism calibration system and scaling method.
Technical solution of the present invention is: the invention provides a kind of plain shaft parallelism calibration system, its special character is: described plain shaft parallelism calibration system comprises autocollimation theodolite, data handling machine and the plane mirror that is used for autocollimation theodolite is carried out autocollimatic; Optical system to be measured is arranged on the emitting light path of autocollimation theodolite and with data handling machine and is electrical connected.
Optical system to be measured is many optical axises system.
Optical system to be measured is the many optical axises system with a plurality of sensors.
A kind of plain shaft parallelism scaling method, its special character is: described scaling method may further comprise the steps:
1) autocollimation theodolite is placed on first sensor the place ahead of many optical axises system, open the laser instrument of photoelectric auto-collimation transit, and adjust the photoelectric auto-collimation transit and make its crosshair that sends be imaged on the target surface center of first sensor, by the reading (A of data handling machine record autocollimation theodolite this moment
1, E
1);
2) with 90 ° of autocollimation theodolite azimuth rotation, adjust plane mirror and make plane mirror to the autocollimation theodolite autocollimatic;
3) mobile autocollimation theodolite arrives second sensor the place ahead of many optical axises system, and with autocollimation theodolite plane mirror is carried out autocollimatic;
4) make 90 ° of autocollimation theodolite azimuth rotation, and the autocollimation theodolite orientation angles is set to 0 °, the crosshair that the adjustment autocollimation theodolite sends the laser instrument of autocollimation theodolite is imaged on the target surface center of the second sensor, the reading (A of record autocollimation theodolite this moment
2, E
2);
5) obtain parallelism of optical axis between many optical axises first sensor and the second sensor according to the reading of step 1) and the resulting autocollimation theodolite of step 4).
Above-mentioned steps 5) specific implementation is:
5.1) according to the reading calculating first sensor of step 1) and the resulting autocollimation theodolite of step 4) and the optical axis parallel error between the second sensor; The account form of the optical axis parallel error between described first sensor and the second sensor is:
ΔA=A
2
ΔE=E
1-E
2；
5.2) judge between the optical axis of the optical axis of first sensor and the second sensor whether belong to parallel according to the optical axis parallel error between first sensor and the second sensor; If parallel error is zero, then be in parastate between the optical axis of the optical axis of first sensor and the second sensor; If parallel error is non-zero, then the depth of parallelism between the optical axis of the optical axis of first sensor and the second sensor is parallel error.
Advantage of the present invention is:
Plain shaft parallelism calibration system provided by the invention and scaling method, its testing apparatus is simple, only needs to utilize optical detection catoptron and autocollimation theodolite commonly used, does not need the equipment of heaviness, complexity, costliness, and namely economy is convenient again; Testing procedure is simple, process variable is few, and measuring accuracy is high; Data handling procedure is simple, and real-time is good, not only can be used for the demarcation of many parallelisms of optical axis, also is used in debuging of multisensor syste; Application is wide, and the method is not only applicable to the plain shaft parallelism test and calibration of many optical axises optoelectronic device, also is applicable to the depth of parallelism test of a plurality of parallel light tube optical axises; Strong adaptability, the method are not subjected to distance between each sensor and the restriction of each sensor aperture, can realize a plurality of any distance, the arbitrarily test of the plain shaft parallelism between the bore photoelectric sensor with small-bore autocollimation theodolite.
Description of drawings
Fig. 1 is the structure principle chart of plain shaft parallelism calibration system provided by the present invention;
Wherein:
The 1-plane mirror; The 2-autocollimation theodolite; The 3-data handling machine.
Embodiment
Referring to Fig. 1, the invention provides a kind of plain shaft parallelism calibration system, this plain shaft parallelism calibration system comprises autocollimation theodolite 2, data handling machine 3 and the plane mirror 1 that is used for autocollimation theodolite 2 is carried out autocollimatic; Optical system to be measured is arranged on the emitting light path of autocollimation theodolite 2 and with data handling machine 3 and is electrical connected; Optical system to be measured is many optical axises system, preferably has many optical axises system of a plurality of sensors.
The present invention also provides a kind of scaling method based on this calibration system when above-mentioned calibration system is provided, the method may further comprise the steps:
1) autocollimation theodolite 2 is placed on first sensor the place ahead of many optical axises system, open the laser instrument of photoelectric auto-collimation transit 2, and adjust photoelectric auto-collimation transit 2 and make its crosshair that sends be imaged on the target surface center of first sensor, by the reading (A of data handling machine 3 record autocollimation theodolites 2 this moment
1, E
1);
2) with 90 ° of autocollimation theodolite 2 azimuth rotation, adjust plane mirror 1 and make 1 pair of autocollimation theodolite 2 autocollimatic of plane mirror;
3) mobile autocollimation theodolite 2 arrives second sensor the place ahead of many optical axises system, and carries out autocollimatic with 2 pairs of plane mirrors of autocollimation theodolite 1;
4) make 90 ° of autocollimation theodolite 2 azimuth rotation, and autocollimation theodolite 2 orientation angles are set to 0 °, the crosshair that adjustment autocollimation theodolite 2 sends the laser instrument of autocollimation theodolite 2 is imaged on the target surface center of the second sensor, the reading (A of record autocollimation theodolite 2 this moment
2, E
2);
5) obtain parallelism of optical axis between many optical axises first sensor and the second sensor according to the reading of step 1) and the resulting autocollimation theodolite 2 of step 4):
5.1) according to the reading calculating first sensor of step 1) and the resulting autocollimation theodolite 2 of step 4) and the optical axis parallel error between the second sensor; The account form of the optical axis parallel error between described first sensor and the second sensor is:
ΔA=A
2
ΔE=E
1-E
2；
5.2) judge between the optical axis of the optical axis of first sensor and the second sensor whether belong to parallel according to the optical axis parallel error between first sensor and the second sensor; If parallel error is zero, then be in parastate between the optical axis of the optical axis of first sensor and the second sensor; If parallel error is non-zero, then the depth of parallelism between the optical axis of the optical axis of first sensor and the second sensor is parallel error.
Claims (5)
1. plain shaft parallelism calibration system is characterized in that: described plain shaft parallelism calibration system comprises autocollimation theodolite, data handling machine and the plane mirror that is used for autocollimation theodolite is carried out autocollimatic; Optical system to be measured is arranged on the emitting light path of autocollimation theodolite and with data handling machine and is electrical connected.
2. plain shaft parallelism calibration system according to claim 1, it is characterized in that: optical system to be measured is many optical axises system.
3. plain shaft parallelism calibration system according to claim 2, it is characterized in that: optical system to be measured is the many optical axises system with a plurality of sensors.
4. scaling method based on the described plain shaft parallelism calibration system of the arbitrary claim of claim 1-3, it is characterized in that: described scaling method may further comprise the steps:
1) autocollimation theodolite is placed on first sensor the place ahead of many optical axises system, open the laser instrument of photoelectric auto-collimation transit, and adjust the photoelectric auto-collimation transit and make its crosshair that sends be imaged on the target surface center of first sensor, by the reading (A of data handling machine record autocollimation theodolite this moment
1, E
1);
2) with 90 ° of autocollimation theodolite azimuth rotation, adjust plane mirror and make plane mirror to the autocollimation theodolite autocollimatic;
3) mobile autocollimation theodolite arrives second sensor the place ahead of many optical axises system, and with autocollimation theodolite plane mirror is carried out autocollimatic;
4) make 90 ° of autocollimation theodolite azimuth rotation, and the autocollimation theodolite orientation angles is set to 0 °, the crosshair that the adjustment autocollimation theodolite sends the laser instrument of autocollimation theodolite is imaged on the target surface center of the second sensor, the reading (A of record autocollimation theodolite this moment
2, E
2);
5) obtain parallelism of optical axis between many optical axises first sensor and the second sensor according to the reading of step 1) and the resulting autocollimation theodolite of step 4).
5. scaling method according to claim 4, it is characterized in that: the specific implementation of described step 5) is:
5.1) according to the reading calculating first sensor of step 1) and the resulting autocollimation theodolite of step 4) and the optical axis parallel error between the second sensor; The account form of the optical axis parallel error between described first sensor and the second sensor is:
ΔA=A
2
ΔE=E
1-E
2；
5.2) judge between the optical axis of the optical axis of first sensor and the second sensor whether belong to parallel according to the optical axis parallel error between first sensor and the second sensor; If parallel error is zero, then be in parastate between the optical axis of the optical axis of first sensor and the second sensor; If parallel error is non-zero, then the depth of parallelism between the optical axis of the optical axis of first sensor and the second sensor is parallel error.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353285A (en) * | 2013-07-23 | 2013-10-16 | 中国人民解放军总装备部军械技术研究所 | Apparatus and method for detecting multiple optical axis consistency of platform photoelectric instrument |
| CN104142579A (en) * | 2014-07-23 | 2014-11-12 | 西安空间无线电技术研究所 | Adjustment method for reflectors of periscopic type acquisition and tracking mechanism |
| CN104581150A (en) * | 2015-01-27 | 2015-04-29 | 北京空间机电研究所 | Positioning and error compensation method |
| CN104697552A (en) * | 2015-02-17 | 2015-06-10 | 中国科学院西安光学精密机械研究所 | Misalignment angle calibration method for two-dimensional autocollimator |
| CN105423958A (en) * | 2015-12-08 | 2016-03-23 | 中国航空工业集团公司洛阳电光设备研究所 | Multi-optical-axis parallelism detection apparatus and method |
| CN107796337A (en) * | 2017-09-14 | 2018-03-13 | 西安科佳光电科技有限公司 | A kind of high accuracy reversely double optical axises and more plain shaft parallelism adjusting process |
| CN107817094A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
| CN107817095A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
| CN107843413A (en) * | 2017-09-14 | 2018-03-27 | 西安科佳光电科技有限公司 | A kind of high accuracy reversely double optical axises and more plain shaft parallelism adjusting process |
| 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 |
| 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 |
| CN112068322A (en) * | 2020-09-09 | 2020-12-11 | 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 |
| CN116429375A (en) * | 2023-03-29 | 2023-07-14 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
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Cited By (22)
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| CN103353285A (en) * | 2013-07-23 | 2013-10-16 | 中国人民解放军总装备部军械技术研究所 | Apparatus and method for detecting multiple optical axis consistency of platform photoelectric instrument |
| 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 |
| CN104142579A (en) * | 2014-07-23 | 2014-11-12 | 西安空间无线电技术研究所 | Adjustment method for reflectors of periscopic type acquisition and tracking mechanism |
| CN104581150A (en) * | 2015-01-27 | 2015-04-29 | 北京空间机电研究所 | Positioning and error compensation method |
| CN104697552A (en) * | 2015-02-17 | 2015-06-10 | 中国科学院西安光学精密机械研究所 | Misalignment angle calibration method for two-dimensional autocollimator |
| CN104697552B (en) * | 2015-02-17 | 2017-09-22 | 中国科学院西安光学精密机械研究所 | Misalignment angle calibration method for two-dimensional autocollimator |
| CN105423958A (en) * | 2015-12-08 | 2016-03-23 | 中国航空工业集团公司洛阳电光设备研究所 | Multi-optical-axis parallelism detection apparatus and method |
| 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 |
| CN107843413A (en) * | 2017-09-14 | 2018-03-27 | 西安科佳光电科技有限公司 | A kind of high accuracy reversely double optical axises and more plain shaft parallelism adjusting process |
| CN107817094A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
| CN107796337A (en) * | 2017-09-14 | 2018-03-13 | 西安科佳光电科技有限公司 | A kind of high accuracy reversely double optical axises and more plain shaft parallelism adjusting process |
| CN107817095A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
| 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 |
| 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 |
| 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 |
| CN112068322A (en) * | 2020-09-09 | 2020-12-11 | 西安应用光学研究所 | Multi-detector system optical axis parallelism correction method based on laser displacement sensor |
| 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 |
| CN116429375A (en) * | 2023-03-29 | 2023-07-14 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
| 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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