CN104316082B - A kind of theodolite outfield infinity range correction method - Google Patents
A kind of theodolite outfield infinity range correction method Download PDFInfo
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- CN104316082B CN104316082B CN201410593371.5A CN201410593371A CN104316082B CN 104316082 B CN104316082 B CN 104316082B CN 201410593371 A CN201410593371 A CN 201410593371A CN 104316082 B CN104316082 B CN 104316082B
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- Prior art keywords
- theodolite
- auto
- clear
- graticle
- collimation collimator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
A kind of infinity range correction method in theodolite outfield of the invention, solves the technical problem that prior art has larger error to the focusing of big-and-middle-sized theodolite outfield；The present invention comprises the following steps：Step one：Self calibration is carried out to auto-collimation collimator using high precision plane mirror：Level crossing is placed along auto-collimation collimator optical axis direction, and minute surface is vertical with the optical axis of auto-collimation collimator, the position of graticle on adjustment auto-collimation collimator, until the return picture of level crossing on graticle is most clear；Step 2：Using the auto-collimation collimator after being calibrated as infinity apart from benchmark, pair warp and weft instrument focusing system carries out infinity range correction：The optical axis of theodolite is parallel with the direction of auto-collimation collimator optical axis, and the clear aperture of theodolite and the clear aperture of auto-collimation collimator are mutually corresponding, pass through the optical system observing graticle image of theodolite, and the position of the focusing component on theodolite is adjusted, until graticle image is most clear.
Description
Technical field
The invention belongs to photoelectric monitoring field, and in particular to a kind of theodolite outfield infinity range correction method.
Background technology
At present, big-and-middle-sized theodolite is focused, many combinations focused using distance focusing with temperature.Wherein influence temperature
The factor for spending accuracy of focusing is a lot, including due to linear expansion coefficient disunity, difference caused by combining structure material diversity
Layer temperature influences bad determination of uneven, temperature sensor location etc..And then the temperature focusing zero obtained by theoretical calculation
There is larger error in point.
The content of the invention
It is an object of the invention to provide a kind of theodolite outfield infinity range correction method, prior art is solved to big-and-middle
Type theodolite outfield, which is focused, has the technical problem of larger error.
A kind of infinity range correction method in theodolite outfield of the invention：
Step one：Self calibration is carried out to auto-collimation collimator using high precision plane mirror：
High precision plane mirror is placed along auto-collimation collimator optical axis direction, and high precision plane mirror minute surface is put down with auto-collimation
The optical axis of row light pipe is parallel, the position of graticle on adjustment auto-collimation collimator, until high precision plane mirror on graticle
It is most clear as reaching to return,
The return picture of level crossing image during the position of regulation graticle is clear by obscuring on the graticle, then
It is from clear to fuzzy；
Step 2：Using the auto-collimation collimator after being calibrated in step one as infinity apart from benchmark, pair warp and weft
Instrument focusing system carries out infinity range correction:
The optical axis of theodolite is parallel with the direction of auto-collimation collimator optical axis, and the clear aperture and auto-collimation of theodolite
The clear aperture of parallel light tube is mutually corresponded to, and by the optical system observing graticle image of theodolite, and is adjusted on theodolite
Focusing component position, until graticle image is most clear,
Graticle image image during the position of regulation theodolite focusing component is clear by obscuring, then
It is from clear to fuzzy.
The advantageous effects of the present invention：The present invention is first by high-precision level crossing to auto-collimation collimator self-correcting
Standard, after the range correction of outfield infinity is carried out with the auto-collimation collimator pair warp and weft instrument that is calibrated, temperature is reduced to greatest extent
Change the influence to focusing system, it is ensured that theodolite accuracy of focusing.
Brief description of the drawings
Fig. 1 is the flow chart of a kind of infinity range correction method in theodolite outfield of the invention；
Fig. 2 illustrates for the autocollimatic parallel light tube self calibration of a kind of infinity range correction method in theodolite outfield of the invention
Figure；
Fig. 3 is the outfield infinity of the theodolite of a kind of infinity range correction method in theodolite outfield of the invention apart from school
Positive schematic diagram；
Wherein, 1, theodolite, 2, high precision plane mirror, 3, auto-collimation collimator.
Embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1 and accompanying drawing 2, a kind of infinity range correction method in theodolite outfield of the invention：
Step one：Self calibration is carried out to auto-collimation collimator 3 using high precision plane mirror 2；
High precision plane mirror 2 is placed along the optical axis direction of auto-collimation collimator 3, the minute surface of high precision plane mirror 2 and autocollimatic
The optical axis of straight parallel light tube 3 is parallel, the graticle on auto-collimation collimator 3 can along auto-collimation collimator 3 optical axis
Direction is moved, and adjusts the position of graticle, until the return picture of high precision plane mirror 2 on graticle reaches most clearly, that is, is completed
The self calibration of auto-collimation collimator 3；
The return picture of level crossing image during the position of regulation graticle is clear by obscuring on the graticle, then
It is from clear to fuzzy.
Step 2：Using the auto-collimation collimator 3 after being calibrated as infinity apart from benchmark, pair warp and weft instrument 1 is focused
System carries out infinity range correction；
Referring to accompanying drawing 3, the optical axis of theodolite 1 is parallel with the direction of the optical axis of auto-collimation collimator 3, and theodolite 1 is logical
Optical port footpath and the clear aperture of auto-collimation collimator 3 are mutually corresponding, parallel by the optical system observing auto-collimation of theodolite 1
Image on the graticle of light pipe 3, and the position of the focusing component on theodolite 1 is adjusted, when graticle image is most clear,
Complete the infinite remote correction of pair warp and weft instrument 1.
Graticle image image during the position of regulation theodolite focusing component is clear by obscuring, then
It is from clear to fuzzy.
Claims (1)
1. a kind of theodolite outfield infinity range correction method, it is characterised in that
Step one：Self calibration is carried out to auto-collimation collimator (3) using high precision plane mirror (2)：
High precision plane mirror (2) is placed along auto-collimation collimator optical axis direction, high precision plane mirror (2) minute surface and auto-collimation
The optical axis of parallel light tube (3) is parallel, the position of graticle on adjustment auto-collimation collimator (3), until high accuracy on graticle
It is most clear that the return picture of level crossing (2) reaches,
The return picture of level crossing image during the position of regulation graticle is clear by obscuring on the graticle, then by clear
It is clear to arrive fuzzy；
Step 2：Using the auto-collimation collimator (3) after being calibrated in step one as infinity apart from benchmark, pair warp and weft instrument
(1) focusing system carries out infinity range correction:
The optical axis of theodolite (1) is parallel with the direction of auto-collimation collimator (3) optical axis, and the clear aperture of theodolite (1) with
The clear aperture of auto-collimation collimator (3) is mutually corresponded to, by the optical system observing graticle image of theodolite (1), and
The position of the focusing component on theodolite (1) is adjusted, until graticle image is most clear,
Graticle image image during the position of regulation theodolite focusing component is clear by obscuring, then by clear
It is clear to arrive fuzzy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593371.5A CN104316082B (en) | 2014-10-28 | 2014-10-28 | A kind of theodolite outfield infinity range correction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593371.5A CN104316082B (en) | 2014-10-28 | 2014-10-28 | A kind of theodolite outfield infinity range correction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104316082A CN104316082A (en) | 2015-01-28 |
| CN104316082B true CN104316082B (en) | 2017-09-12 |
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| CN201410593371.5A Expired - Fee Related CN104316082B (en) | 2014-10-28 | 2014-10-28 | A kind of theodolite outfield infinity range correction method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068259B (en) * | 2015-08-13 | 2017-08-25 | 中科院南京天文仪器有限公司 | Accurate method of adjustment for optics normal angle in two-dimensional scan device |
| CN106248105B (en) * | 2016-09-14 | 2023-04-11 | 中国科学院西安光学精密机械研究所 | Double-collimation tolerance calibration system of auto-collimation theodolite |
| CN106405856A (en) * | 2016-10-18 | 2017-02-15 | 中国航空工业集团公司洛阳电光设备研究所 | Method for detecting optical axis stability of optical lens during focusing process |
| CN106595703B (en) * | 2016-10-31 | 2019-04-02 | 中国科学院西安光学精密机械研究所 | Method for adjusting collimation error of horizontal theodolite |
| CN108716922B (en) * | 2018-04-04 | 2021-03-26 | 中国人民解放军92493部队计量测试中心 | Self-checking north reference device |
| CN109613711B (en) * | 2018-12-29 | 2021-03-30 | 深圳航星光网空间技术有限公司 | Method and device for leading out optical axis of emergent light beam of optical antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101852677A (en) * | 2010-05-24 | 2010-10-06 | 中国科学院长春光学精密机械与物理研究所 | Method for improving focal distance detection precision of long focal distance collimator |
| CN101865698B (en) * | 2010-06-02 | 2012-04-11 | 中国科学院长春光学精密机械与物理研究所 | Method for distinguishing error source of angle measuring instrument |
| US9823116B2 (en) * | 2012-08-23 | 2017-11-21 | Raytheon Company | Geometric calibration of a remote sensor |
| CN103591967A (en) * | 2013-10-28 | 2014-02-19 | 中国科学院长春光学精密机械与物理研究所 | Method for generating optical Chirp signal for optical servo system frequency spectrum curve tests |
| CN103968858B (en) * | 2014-04-30 | 2016-10-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of geometric calibration device of ultra-large vision field ultraviolet imager |
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Granted publication date: 20170912 Termination date: 20191028 |