CN103217066A - Double-auto-collimation optical system checking and regulating tube - Google Patents
Double-auto-collimation optical system checking and regulating tube Download PDFInfo
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- CN103217066A CN103217066A CN2013101015601A CN201310101560A CN103217066A CN 103217066 A CN103217066 A CN 103217066A CN 2013101015601 A CN2013101015601 A CN 2013101015601A CN 201310101560 A CN201310101560 A CN 201310101560A CN 103217066 A CN103217066 A CN 103217066A
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Abstract
The invention discloses a double-auto-collimation optical system checking and regulating tube which relates to the technical field of measuring devices which are characterized by adopting an optical method. The tube comprises a shell, wherein two auto-collimation optical systems are arranged in the shell; a first auto-collimation optical system and a second auto-collimation optical system respectively irradiate light which is emitted from a light source onto a measured reflective mirror through optical devices; and an included angle which is formed by two light rays emitted by the first auto-collimation optical system and the second auto-collimation optical system is an acute angle. The checking and regulating tube adopts a light splitting principle and two groups of light splitting prisms; antireflection films are formed on incident and emergent surfaces through vacuum laser so as to make up the light energy loss which is caused by light splitting; a light splitting film is coated on a gluing layer, the thickness of the film is controlled so as to enable the light splitting ratio to reach 1:1; one light path provides high-precision auto-collimation to a target, so that the target is enabled to be clear and stable, and a problem of cross reticle superposition verification is solved; and the other light path provides a reading micrometer function so as to solve a zero position error verification problem.
Description
Technical field
The present invention relates to adopt optical means is the measurement mechanism technical field of feature, relates in particular to a kind of integrated treating apparatus with two auto-collimating optical systems.
Background technology
Sight device generally comprises equipment such as theodolite, azimuth device, school zero light pipe, electric pole device, magnetic levels instrument to be formed, and whether its technical indicator normally is directly connected to missile accuracy, need regularly carry out measurement verification or calibration.All measurement means and method all are to adopt many parallel light tubes technology to examine and determine at present, this technology is overlay device and parameter fully, need repeatedly repeat to set up, repeat leveling, repeatability, reliability and uniformity can not guarantee, measuring equipment is very huge, involves great expense, and is very strict to environmental requirement, can only build in the laboratory under the particular surroundings, can't satisfy the measuring requirement that carries out of sight device.
Conventional inspection transfers the pipe design must satisfy a condition: it is more than 2～3 times of tested pointing instrumentation focal length that the focal length of pipe is transferred in inspection, focal length as certain type pointing instrumentation is 172mm, inspection transfers the pipe focal length just up to 500mm, transfer miniaturization, the reliability design of pipe to bring great problem for inspection, can not satisfy the needs that the metering that carries out ensures; Common in addition inspection transfers pipe not possess the micrometer function, can't realize the calibrating of " graticle coincidence ", need join other equipment such as T3000A or T5100A in the calibration operation process, and this equipment is examined and determine very expensive up to hundreds of thousands.The inspection of monochromatic light road design transfers pipe that quantitative angle measurement and reading function can't be provided, and can't realize the calibrating of the error of zero of azimuth device and school zero light pipe, also the calibrating that can't cover pitch deviation under one-time leveling, the situation of once setting up.
In traditional sight device calibrating installation, the run-home group all adopts the distributing installation method, be about to a plurality of parallel light tubes and pass through fixture separately, be installed in respectively on the same support, cause the technical parameter and the relative position of run-home group to change easily, and very strict to the environment for use temperature requirement, can not satisfy retinue metering safeguard work.
Summary of the invention
Technical problem to be solved by this invention provides the inspection of a kind of pair of auto-collimating optical system and transfers pipe, and described inspection transfers that pipe has that volume is little, in light weight, simple to operate, powerful, collimation target stability and precision advantages of higher.
For solving the problems of the technologies described above, the technical solution used in the present invention is: pipe is transferred in a kind of pair of auto-collimating optical system inspection, comprise housing, it is characterized in that being provided with in the described housing two auto-collimating optical systems, first auto-collimating optical system and second auto-collimating optical system are mapped on the tested reflective mirror through the illumination of optics with light emitted respectively, first auto-collimating optical system is an acute angle with two angles that light became that second auto-collimating optical system launched, and tested reflective mirror is positioned at the intersection of two light.
Preferably: every auto-collimating optical system comprises light source, the cross-graduation plate, first Amici prism, first reflective mirror, second reflective mirror, first object lens, second object lens and indication graticle, the light that light source sends illuminates the cross-graduation plate on the focal plane that is positioned at the objective lens that first object lens and second object lens form, again through first Amici prism, pooled the tested reflective mirror of a branch of collimated light beam directive by first object lens and second object lens behind first reflective mirror and second reflective mirror, if the reflecting surface of tested reflective mirror is perpendicular to optical axis, light still returns by former road, through second object lens, first object lens, second reflective mirror, be imaged on the indication graticle that is positioned on the tested reflective mirror focus behind first reflective mirror and first Amici prism, overlap with the indication division line, human eye is observed the cross phenomenon of returning by the eyepiece group.
Preferably: first auto-collimating optical system also comprises second Amici prism that is positioned between the described cross-graduation plate and first Amici prism.
Adopt the beneficial effect that technique scheme produced to be: described inspection transfers pipe to adopt light-dividing principle and two component light prisms, at incident and the radium-shine anti-reflection film of exit facet vacuum, to remedy the light energy losses that beam split causes, at cementing layer plating spectro-film, the thickness of control rete makes the beam split rate reach 1:1, and a light path provides high accuracy auto-collimation target, guarantee the clear, stable of target, solve the cross-graduation plate and overlap a calibrating difficult problem; Another light path provides reading micrometer function, solves the calibrating difficult problem of the error of zero.Utilize two-fold to return designing technique, in limited space and distance, integratedly in same shell two auto-collimating optical systems have been designed, solve inspection and transferred the pipe focal length to rely on bulky, the reliability and stability difficult problem that the equipment under test focal length causes, satisfied the calibrating demand of bowing, facing upward two positions simultaneously.
The present invention has that volume is little, in light weight, simple to operate, powerful, series of advantages such as collimation target stability and precision height, solved a series of difficult problems of design of auto-collimation target group and sight device calibrating, promptly solved inspection and transferred a difficult problem of managing between focal length and the equipment under test focal length; Solved the multiple target method and carried out the technical sophistication of sight device measurement verification process, repeat leveling, repeat to set up, a difficult problem such as poor stability, calibrating efficient are low; Solved inspection and transferred pipe not possess the difficult problem of reading micrometer function, covered the error of zero and graticle and overlapped a calibrating difficult problem; Solve the sight device metering that carries out and ensured a difficult problem.In addition, this inspection is transferred pipe can eliminate the external structure distortion and influenced by variation of ambient temperature, guarantee the stability and the reliability of run-home group index, can not only satisfy all calibrating demands of sight device, new ways and means can also be provided for the design of other angle measuring instrument calibrating installation.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is a principle schematic of the present invention;
Fig. 2 is a sectional structure schematic diagram of the present invention;
Fig. 3 is auto-collimation angle measuring principle figure;
Wherein: 1, light source 2, cross-graduation plate 3, second Amici prism 4, first Amici prism 5, eyepiece group 6, first reflective mirror 7, second reflective mirror 8, first object lens 9, second object lens 10, tested reflective mirror 11, indication graticle 12, objective lens 13, object lens.
The specific embodiment
As shown in Figure 1, pipe is transferred in a kind of pair of auto-collimating optical system inspection, comprises housing, is provided with two auto-collimating optical systems in the described housing.First auto-collimating optical system and second auto-collimating optical system are mapped on the tested reflective mirror 10 through the illumination of optics with light emitted respectively, first auto-collimating optical system is an acute angle with two angles that light became that second auto-collimating optical system launched, tested reflective mirror 10 is positioned at the intersection of two light, if the reflecting surface of tested reflective mirror is perpendicular to the incident light of described optical system, light still returns by former road.
Every auto-collimating optical system comprises light source 1, cross-graduation plate 2, first Amici prism 4, first reflective mirror 6, second reflective mirror 7, first object lens 8, second object lens 9 and indication graticle 11.The light that light source 1 sends illuminates the cross-graduation plate 2 on the focal plane that is positioned at the objective lens that first object lens 8 and second object lens 9 form, again through first Amici prism 4, first reflective mirror 6 and second reflective mirror, 7 backs are pooled the tested reflective mirror 10 of a branch of collimated light beam directive by first object lens 8 and second object lens 9, if the reflecting surface of tested reflective mirror 10 is perpendicular to optical axis, light still returns by former road, through second object lens 9, first object lens 8, second reflective mirror 7, be imaged on the indication graticle 11 that is positioned on tested reflective mirror 10 focuses behind first reflective mirror 6 and first Amici prism 4, overlap with the indication division line, human eye is observed the cross phenomenon of returning by eyepiece group 5.Transfer the volume of pipe in order to reduce described inspection, described first auto-collimating optical system also comprises second Amici prism 3 that is positioned at 4 of described cross-graduation plate 2 and first Amici prisms.
Fig. 3 is auto-collimation angle measuring principle figure, if the reflecting surface of tested reflective mirror is not orthogonal to optical axis and a drift angle is arranged
, then reflection ray will have
The drift angle, the cross hairs picture in eyepiece will be offset from the indication division line.
If offset distance is y, then have:
Fig. 2 transfers the structure cutaway view of pipe for inspection, inspection transfers pipe mainly to be made up of mechanical hull and two-way auto-collimating optical system, the securing member of optical element by separately is installed in inspection and transfers on the mechanical hull of pipe in the system, cross-graduation plate and indication graticle all design on the focal plane of objective lens, make its optical system possess two functions, one is: the cross-graduation plate can be used as the infinity target, after the telescopic system process focusing of tested equipment, thus the clearly requirement of run-home realization calibrating.Another is: inspection transfers pipe to have eyepiece group and reading micrometer mechanism, and by eyepiece group difference aiming laser theodolite photo electric axis graticle and eyepiece graticule, the reading micrometer mechanism can accurately be read the not coincidence error of two indication graticles.
Inspection transfers the two-way auto-collimating optical system of pipe under the prerequisite that does not shorten focal length, realize the contour structure size miniaturization of equipment by turning back of light path, two optical systems are designed to be installed in the interior structure of a cast housing, make overall structure less, the coplanarity of two primary optical axis and angle are debug assurance through precision, avoid split type light pipe to be subject to extraneous factor and disturb the error bring, more abundant because of debuging in the process stress release, have advantages of higher stability.
Housing adopts the metal casting structure, and carries out artificial aging processing repeatedly in the process of part casting back and machining, to eliminate casting and forming residual stress, reduces part deformation.As the matrix of optical system, at when design reasonable Arrangement gusset and reinforcement, strengthened the rigidity of structure of matrix effectively, make it have advantages of higher stability.Internal system adopts the high-performance cold light source lighting device, reduces the influence that the heat disorder effect is brought greatly, has both prolonged the service life of light source, has avoided again causing the distortion of local heating of system because light source produces heat, causes equipment and technology parameter instability.Inspection is transferred in the main optical path of pipe infinity and 3m graticle is housed respectively, can realize the detection to most important indicators such as perpendicularity, error of focusing, auto-collimation graticle and eyepiece graticule coincidence error of perpendicularity, transverse axis and the vertical pivot of the collimation axis of sight device and transverse axis.
Described inspection transfers pipe to adopt light-dividing principle and two component light prisms, at incident and the radium-shine anti-reflection film of exit facet vacuum, to remedy the light energy losses that beam split causes, at cementing layer plating spectro-film, the thickness of control rete makes the beam split rate reach 1:1, and a light path provides high accuracy auto-collimation target, guarantee the clear, stable of target, solve the cross-graduation plate and overlap a calibrating difficult problem; Another light path provides reading micrometer function, solves the calibrating difficult problem of the error of zero.Utilize two-fold to return designing technique, in limited space and distance, integratedly in same shell two auto-collimating optical systems have been designed, solve inspection and transferred the pipe focal length to rely on bulky, the reliability and stability difficult problem that the equipment under test focal length causes, satisfied the calibrating demand of bowing, facing upward two positions simultaneously.
The present invention has that volume is little, in light weight, simple to operate, powerful, series of advantages such as collimation target stability and precision height, solved a series of difficult problems of design of auto-collimation target group and sight device calibrating, promptly solved inspection and transferred " bottleneck " difficult problem of managing between focal length and the equipment under test focal length; Solved the multiple target method and carried out the technical sophistication of sight device measurement verification process, repeat leveling, repeat to set up, a difficult problem such as poor stability, calibrating efficient are low; Solved inspection and transferred pipe not possess the difficult problem of reading micrometer function, covered the error of zero and graticle and overlapped a calibrating difficult problem; Solve the sight device metering that carries out and ensured a difficult problem.In addition, this inspection is transferred pipe can eliminate the external structure distortion and influenced by variation of ambient temperature, guarantee the stability and the reliability of run-home group index, can not only satisfy all calibrating demands of sight device, new ways and means can also be provided for the design of other angle measuring instrument calibrating installation.
Claims (3)
1. pipe is transferred in two auto-collimating optical system inspections, comprise housing, it is characterized in that being provided with in the described housing two auto-collimating optical systems, first auto-collimating optical system and second auto-collimating optical system are mapped on the tested reflective mirror (10) through the illumination of optics with light emitted respectively, first auto-collimating optical system is an acute angle with two angles that light became that second auto-collimating optical system launched, and tested reflective mirror (10) is positioned at the intersection of two light.
2. pipe is transferred in a kind of pair of auto-collimating optical system inspection according to claim 1, it is characterized in that every auto-collimating optical system comprises light source (1), cross-graduation plate (2), first Amici prism (4), first reflective mirror (6), second reflective mirror (7), first object lens (8), second object lens (9) and indication graticle (11), the light that light source (1) sends illuminates the cross-graduation plate (2) on the focal plane that is positioned at the objective lens that first object lens (8) and second object lens (9) form, again through first Amici prism (4), first reflective mirror (6) and second reflective mirror (7) back are pooled the tested reflective mirror of a branch of collimated light beam directive (10) by first object lens (8) and second object lens (9), if the reflecting surface of tested reflective mirror (10) is perpendicular to optical axis, light still returns by former road, through second object lens (9), first object lens (8), second reflective mirror (7), be imaged on the indication graticle (11) that is positioned on tested reflective mirror (10) focus behind first reflective mirror (6) and first Amici prism (4), overlap with the indication division line, human eye is observed the cross phenomenon of returning by eyepiece group (5).
3. pipe is transferred in a kind of pair of auto-collimating optical system inspection according to claim 2, it is characterized in that first auto-collimating optical system also comprises second Amici prism (3) that is positioned between described cross-graduation plate (2) and first Amici prism (4).
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| CN201310101560.1A CN103217066B (en) | 2013-03-27 | 2013-03-27 | Double-auto-collimation optical system checking and regulating tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106033147A (en) * | 2015-03-12 | 2016-10-19 | 哈尔滨新光光电科技有限公司 | Center alignment system for optical target simulator and spherical radome |
| CN106595615A (en) * | 2017-01-22 | 2017-04-26 | 苏州光仪器有限公司 | Optical path system of total station instrument |
| CN109374260A (en) * | 2018-11-16 | 2019-02-22 | 中国科学院西安光学精密机械研究所 | The calibration system and scaling method of the double-collimation zero-bit angle of optical delivery system |
| CN111504344A (en) * | 2020-05-15 | 2020-08-07 | 天津时空经纬测控技术有限公司 | Calibration system and method for calibrating non-contact attitude measurement equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106033147A (en) * | 2015-03-12 | 2016-10-19 | 哈尔滨新光光电科技有限公司 | Center alignment system for optical target simulator and spherical radome |
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| CN106595615A (en) * | 2017-01-22 | 2017-04-26 | 苏州光仪器有限公司 | Optical path system of total station instrument |
| CN109374260A (en) * | 2018-11-16 | 2019-02-22 | 中国科学院西安光学精密机械研究所 | The calibration system and scaling method of the double-collimation zero-bit angle of optical delivery system |
| CN109374260B (en) * | 2018-11-16 | 2023-09-01 | 中国科学院西安光学精密机械研究所 | Calibration system and calibration method for double collimation zero included angle of optical transmission device |
| CN111504344A (en) * | 2020-05-15 | 2020-08-07 | 天津时空经纬测控技术有限公司 | Calibration system and method for calibrating non-contact attitude measurement equipment |
| CN111504344B (en) * | 2020-05-15 | 2022-03-11 | 天津时空经纬测控技术有限公司 | Calibration system and method for calibrating non-contact attitude measurement equipment |
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