CN106247998A - A kind of laser axis and the calibration method of reflecting mirror normal parallel - Google Patents
A kind of laser axis and the calibration method of reflecting mirror normal parallel Download PDFInfo
- Publication number
- CN106247998A CN106247998A CN201610674435.3A CN201610674435A CN106247998A CN 106247998 A CN106247998 A CN 106247998A CN 201610674435 A CN201610674435 A CN 201610674435A CN 106247998 A CN106247998 A CN 106247998A
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- Prior art keywords
- autocollimation theodolite
- laser
- reflecting mirror
- normal
- theodolite
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to the calibration method of a kind of laser axis and reflecting mirror normal parallel, including: first the laser axis of laser instrument on MUT module under test is drawn by the normal of two dimension auxiliary mirror；Again by autocollimation theodolite II level-off, with it to two dimension auxiliary mirror autocollimatic, adjust the orientation of autocollimation theodolite II；Then the pitching of autocollimation theodolite II is adjusted, make autocollimation theodolite I be directed at autocollimation theodolite II to be drawn by the laser axis of laser instrument, further according to needing the tested reflecting mirror adjustment on MUT module under test, until the normal of tested reflecting mirror is parallel with the laser axis of laser instrument.The present invention can realize the laser axis of laser instrument and the calibration of tested reflecting mirror normal parallel the most easily；Particularly it is capable of the calibration of collimation both time bigger of the laser axis of laser instrument and tested reflecting mirror normal longitudinal pitch；Also solve the problem that laser can not directly receive with general preset lens；It addition, the method can be by the collimation accuracy correction of the two to 5 rads, calibration precision is high.
Description
Technical field
The present invention relates to the calibration side of optics calibration technical field, a kind of laser axis and reflecting mirror normal parallel
Method, can be applicable to laser axis in all kinds of aircraft boresighting equipment and is drawn out on reflecting mirror.
Background technology
Along with the development of science and technology, applying in industry-by-industry, field of laser technology is the most increasingly extensive.Laser is sent out
Penetrate the particularity of principle and the process of generation to determine laser and there is normal light do not have the special feature that, i.e. monochromaticity, coherence, side
Tropism, high brightness.And in aircraft boresighting equipment, aspect axle is characterized with laser axis, utilize high brightness to adapt to different bright
Degree environment.But the directivity of laser axis can not be directly read by instrument and equipment, then need to reflect the sensing of laser axis
The normal of mirror replaces, in order to boresight fixture assembly extracts, uses, and this relates to laser axis and the calibration of reflecting mirror normal parallel
Method.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defect, it is provided that a kind of laser axis and reflecting mirror normal parallel
Calibration method, have the advantages that simple, workable, calibration precision is high, safety is high.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
A kind of laser axis of the present invention and the calibration method of reflecting mirror normal parallel, comprise the following steps:
(1) first the laser axis of laser instrument on MUT module under test is drawn by the normal of two dimension auxiliary mirror；
(2) again by autocollimation theodolite II level-off, with it to two dimension auxiliary mirror autocollimatic, autocollimation theodolite is adjusted
The orientation of II；
(3) then adjusting the pitching of autocollimation theodolite II, making autocollimation theodolite I be directed at autocollimation theodolite II will swash
The laser axis of light device is drawn, further according to needing the tested reflecting mirror adjustment on MUT module under test, until the normal of tested reflecting mirror
Parallel with the laser axis of laser instrument.
Further, step (1) is first taken off autocollimation theodolite I and autocollimation theodolite II, makes on MUT module under test
Laser device laser bundle shines the center of two dimension auxiliary mirror, and laser beam is reflected back to MUT module under test, then it is auxiliary to adjust two dimension
Help pitching and the orientation of reflecting mirror, make the hot spot of reflection laser beam overlap with the hot spot of MUT module under test shoot laser bundle, now two
The normal of dimension auxiliary mirror i.e. represents the laser axis of laser instrument.
Further, step first puts autocollimation theodolite II in (2), by autocollimation theodolite II level-off, right with it
Two dimension auxiliary mirror telescope direct autocollimatic, records orientation, pitching reading X1, Y1, then to two dimension auxiliary mirror reversing face autocollimatic, note
Record orientation, pitching reading X2, Y2, draw reading X=1/2 (X1+X2), Y=1/2 (Y1+Y2)；By autocollimation theodolite II orientation
Go to reading X, then use telescope direct and reversing face method to turn 180 ° at azimuth direction respectively, record orientation reading X3, X4, draw reading
Number X II=1/2 (X3+X4), goes to reading X II autocollimation theodolite II orientation, then is turned in autocollimation theodolite II orientation
180 °, pitching does not limits.
Further, first putting autocollimation theodolite I in step (3), the pitching of autocollimation theodolite II 4 is according to auto-collimation
Theodolite I 3 adjusts, and makes autocollimation theodolite I telescope direct be directed at autocollimation theodolite II, is turned in autocollimation theodolite I orientation
180 °, pitching adjusted value is 180 ° of-Y, sees the auto-collimation picture of tested reflecting mirror on MUT module under test from autocollimation theodolite I, as
Really auto-collimation picture overlaps with autocollimation theodolite I graduation, then illustrate that the normal of tested reflecting mirror is parallel with the laser axis of laser instrument,
The most not parallel；Then make autocollimation theodolite I reversing face be directed at autocollimation theodolite II, the most again measure, if
Auto-collimation picture overlaps with autocollimation theodolite I graduation, then illustrate that the normal of tested reflecting mirror is parallel with the laser axis of laser instrument, no
The most not parallel, need tested reflecting mirror adjustment, until overlapping or in zone of reasonableness.
Further, the placement location of autocollimation theodolite I is being longitudinally formed with the placement location of autocollimation theodolite II
Difference in height.
Beneficial effects of the present invention:
1, the inspection of collimation both time bigger of the laser axis of laser instrument and tested reflecting mirror normal longitudinal pitch it is capable of
School.
2, simple, easy, common apparatus can realize, strong operability.
3, directly observing laser without eyes, safety is high.
4, calibration precision is high, up to 5 rads.
Accompanying drawing explanation
The structural representation of the device used when Fig. 1 is by calibration of the present invention.
In figure: 1, working base, 2, MUT module under test, 21, tested reflecting mirror, 22 laser instrument, 3, autocollimation theodolite I, 4, from
Collimation theodolite II, 5, two dimension auxiliary mirror.
Detailed description of the invention
Embodiment cited by the present invention, is only intended to help and understands the present invention, should not be construed as the present invention is protected model
The restriction enclosed, for those skilled in the art, without departing from the inventive concept of the premise, it is also possible to right
The present invention makes improvements and modifications, and these improve and modification also falls in the range of the claims in the present invention protection.
The device used during calibration of the present invention mainly includes working base 1, MUT module under test 2, autocollimation theodolite I 3, autocollimatic
Straight theodolite II 4, two dimension auxiliary mirror 5, as it is shown in figure 1, be provided with MUT module under test 2 on working base 1, MUT module under test 2 includes
The tested reflecting mirror 21 vertically placed and the laser instrument 22 of horizontal positioned, be placed with autocollimation theodolite I 3, work before MUT module under test 2
Dress seat 1, MUT module under test 2, autocollimation theodolite I 3 are both placed on same level height, are placed with certainly before autocollimation theodolite I 3
Collimation theodolite II 4, two dimension auxiliary mirror 5, autocollimation theodolite II 4, two dimension auxiliary mirror 5 are both placed in same level
On height, the placement location of autocollimation theodolite I 3 is being longitudinally formed difference in height with the placement location of autocollimation theodolite II 4, when
The normal of the laser axis of laser instrument 22 and tested reflecting mirror 21 is when longitudinal pitch is bigger, it is possible to realize the inspection of the two collimation
School.
The present invention is by the collimation calibration one of the tested reflecting mirror 21 in MUT module under test 2 with the laser axis of laser instrument 22
Cause.Method step is as follows:
(1) take off autocollimation theodolite I 3 and autocollimation theodolite II 4, make the laser of laser instrument 22 on MUT module under test 2
Bundle instruction is reflected back to MUT module under test 2 to the center of two dimension auxiliary mirror 5, laser beam, adjusts two dimension auxiliary mirror 5
Pitching and orientation, make reflection laser beam spot overlap with MUT module under test 2 shoot laser bundle hot spot, at this moment two dimension auxiliary mirror 5
Normal i.e. represent the laser axis of laser instrument 22.
(2) by autocollimation theodolite II 4 level-off, with it to two dimension auxiliary mirror 5 telescope direct autocollimatic, record orientation, bow
Facing upward reading X1, Y1, then reversing face is to two dimension auxiliary mirror 5 autocollimatic, records orientation, pitching reading X2, Y2, draws reading X=
1/2 (X1+X2), Y=1/2 (Y1+Y2)；Autocollimation theodolite II 4 orientation is gone to reading X, then uses telescope direct and reversing face side
Method turns 180 ° at azimuth direction respectively, records reading X3, X4, draws reading X II=1/2 (X3+X4), autocollimation theodolite II
4 orientation go to reading X II, then autocollimation theodolite II 4 orientation is turned 180 °, and pitching does not limits.
(3) autocollimation theodolite I 3 being placed on as shown in Fig. 1 position, the pitching of autocollimation theodolite II 4 is according to autocollimatic
Straight theodolite I 3 adjusts, and makes autocollimation theodolite I 3 telescope direct be directed at autocollimation theodolite II 4.By autocollimation theodolite I 3 orientation
Turning 180 °, pitching adjusted value is 180 ° of-Y.The auto-collimation of tested reflecting mirror 21 on MUT module under test 2 is seen from autocollimation theodolite I 3
Picture, if auto-collimation picture overlaps with autocollimation theodolite I 3 graduation, then illustrates tested reflecting mirror 21 normal and measured laser light beam
Parallel, the normal of the most tested reflecting mirror 21 is parallel with the laser axis of laser instrument 22, the most not parallel.Then autocollimation theodolite is made
I 3 reversing face alignment autocollimation theodolites II 4, measure the most again, if auto-collimation picture and autocollimation theodolite I 3 graduation
Overlap, then tested reflecting mirror 21 normal and measured laser parallel beam, the normal of the most tested reflecting mirror 21 and laser instrument 22 are described
Laser axis parallel, the most not parallel, need the adjustment of tested reflecting mirror 21, until overlapping or in zone of reasonableness.
The present invention is to utilize a kind of optical means, can realize the laser axis of laser instrument 22 and tested reflection the most easily
The calibration of the normal parallel of mirror 21.Particularly can solve the problem that when the laser axis of laser instrument 22 and the normal of tested reflecting mirror 21 are vertical
When spacing is bigger, the two can not be received by the instrument and equipment of same bore simultaneously, causes determining collimation relation
Problem；Also solve the problem that laser can not directly receive with general preset lens.It addition, the method can be by the collimation precision of the two
Correction is to 5 rads, and calibration precision is high.
Claims (5)
1. a laser axis and the calibration method of reflecting mirror normal parallel, it is characterised in that comprise the following steps:
(1) first the laser axis of upper for MUT module under test (2) laser instrument (22) is drawn by the normal of two dimension auxiliary mirror (5)；
(2) again by autocollimation theodolite II (4) level-off, with it to two dimension auxiliary mirror (5) autocollimatic, auto-collimation longitude and latitude is adjusted
The orientation of instrument II (4)；
(3) then adjust the pitching of autocollimation theodolite II (4), make autocollimation theodolite I (3) be directed at autocollimation theodolite II
(4) laser axis of laser instrument (22) is drawn, further according to needing tested reflecting mirror (21) adjustment on MUT module under test (2), directly
Parallel with the laser axis of laser instrument (22) to the normal of tested reflecting mirror (21).
Laser axis the most according to claim 1 and the calibration method of reflecting mirror normal parallel, it is characterised in that described step
(1) first take off autocollimation theodolite I (3) and autocollimation theodolite II (4) in, make the laser instrument (22) on MUT module under test (2) swash
Beam exit is to the center of two dimension auxiliary mirror (5), and laser beam is reflected back to MUT module under test (2), then adjusts two dimension auxiliary
The pitching of reflecting mirror (5) and orientation, make the hot spot of reflection laser beam overlap with the hot spot of MUT module under test (2) shoot laser bundle, this
The normal of Shi Erwei auxiliary mirror (5) i.e. represents the laser axis of laser instrument (21).
Laser axis the most according to claim 1 and the calibration method of reflecting mirror normal parallel, it is characterised in that described step
(2) autocollimation theodolite II (4) is first put in, by autocollimation theodolite II (4) level-off, with it to two dimension auxiliary mirror
(5) telescope direct autocollimatic, records orientation, pitching reading X1, Y1, then to two dimension auxiliary mirror (5) reversing face autocollimatic, record orientation,
Pitching reading X2, Y2, draw reading X=1/2 (X1+X2), Y=1/2 (Y1+Y2)；Autocollimation theodolite II (4) orientation is gone to
Reading X, then uses telescope direct and reversing face method to turn 180 ° at azimuth direction respectively, and record orientation reading X3, X4 draw reading X
II=1/2 (X3+X4), goes to reading X II autocollimation theodolite II (4) orientation, then is turned in autocollimation theodolite II orientation
180 °, pitching does not limits.
Laser axis the most according to claim 1 and the calibration method of reflecting mirror normal parallel, it is characterised in that described step
(3) first putting autocollimation theodolite I (3) in, the pitching of autocollimation theodolite II (4) is adjusted according to autocollimation theodolite I (3)
Whole, make autocollimation theodolite I (3) telescope direct be directed at autocollimation theodolite II (4), autocollimation theodolite I (3) orientation is turned 180 °,
Pitching adjusted value is 180 ° of-Y, from the auto-collimation seeing the upper tested reflecting mirror (21) of MUT module under test (2) of autocollimation theodolite I (3)
Picture, if auto-collimation picture overlaps with autocollimation theodolite I (3) graduation, then illustrates normal and the laser instrument of tested reflecting mirror (21)
(22) laser axis is parallel, the most not parallel；Then autocollimation theodolite I (3) reversing face is made to be directed at autocollimation theodolite II (4),
The most again measure, if auto-collimation picture overlaps with autocollimation theodolite I (3) graduation, then tested reflecting mirror is described
(21) normal is parallel with the laser axis of laser instrument (22), the most not parallel, needs tested reflecting mirror (21) adjustment, until weight
Close or in zone of reasonableness.
Laser axis the most according to claim 1 and the calibration method of reflecting mirror normal parallel, it is characterised in that described autocollimatic
The straight placement location of theodolite I (3) is being longitudinally formed difference in height with the placement location of autocollimation theodolite II (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674435.3A CN106247998B (en) | 2016-08-16 | 2016-08-16 | A kind of calibration method of laser axis and reflecting mirror normal parallel |
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| CN201610674435.3A CN106247998B (en) | 2016-08-16 | 2016-08-16 | A kind of calibration method of laser axis and reflecting mirror normal parallel |
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| CN106247998A true CN106247998A (en) | 2016-12-21 |
| CN106247998B CN106247998B (en) | 2019-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677456A (en) * | 2017-10-10 | 2018-02-09 | 中国人民解放军63686部队 | A kind of telescope optic axis Detection of Stability 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 |
| CN114967022A (en) * | 2022-04-23 | 2022-08-30 | 长春理工大学 | Auto-collimation dynamic target optical assembly and calibration method based on double theodolites |
| CN115046963A (en) * | 2022-08-16 | 2022-09-13 | 朗思传感科技(深圳)有限公司 | Gas detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107677456A (en) * | 2017-10-10 | 2018-02-09 | 中国人民解放军63686部队 | A kind of telescope optic axis Detection of Stability method |
| CN107677456B (en) * | 2017-10-10 | 2019-08-02 | 丁求启 | A kind of telescope optic axis Detection of Stability method |
| CN114967022A (en) * | 2022-04-23 | 2022-08-30 | 长春理工大学 | Auto-collimation dynamic target optical assembly and calibration method based on double theodolites |
| CN114967022B (en) * | 2022-04-23 | 2023-08-22 | 长春理工大学 | Auto-collimation dynamic target optical calibration method based on double theodolites |
| CN115046963A (en) * | 2022-08-16 | 2022-09-13 | 朗思传感科技(深圳)有限公司 | Gas detection device |
| CN115046963B (en) * | 2022-08-16 | 2022-11-18 | 朗思传感科技(深圳)有限公司 | Gas detection device |
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