CN109946845A - A kind of telescope optic axis is precisely to the adjusting method of zenith - Google Patents
A kind of telescope optic axis is precisely to the adjusting method of zenith Download PDFInfo
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- CN109946845A CN109946845A CN201910293075.6A CN201910293075A CN109946845A CN 109946845 A CN109946845 A CN 109946845A CN 201910293075 A CN201910293075 A CN 201910293075A CN 109946845 A CN109946845 A CN 109946845A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a kind of telescope optic axis precisely to the adjusting method of zenith, and laser zenith meter is placed in right above telescopic system, and lower light out is emitted behind plumb aligner Anping and irradiates telescopic system primary mirror；The aperture of the diaphragm on telescopic system focal plane is opened to maximum, while placing film viewing screen along the horizontal plane behind diaphragm；Telescopic system mechanical speed-control device is adjusted, changes telescopic system optical axis and is directed toward, until the lower light out of laser plummet successively can pass through aperture after telescope primary mirror, secondary mirror reflection；Adjustment telescope make after rotation it is lower go out light correspond to emergent light spot and can fall in the bright circle of background, while shrinking the aperture of the diaphragm in right amount；Telescope is finely tuned, the bright round the center point of background will be moved to by the centre dot that emergent light spot group determines after rotating.The Cassegrain of various bores or Newtonian reflector optical axis only can need to be accurately adjusted to zenith direction by a small-sized laser plummet by the present invention, have the advantages that operation is terse, method is intuitive.
Description
Technical field
The invention belongs to laser radar fields, and in particular to it is a kind of by telescope optic axis precisely to the adjusting method of zenith.
Background technique
Telescopic system is an important component of ground formula laser radar, is collected from atmosphere target scattering
The key device of matter backscattering echo signal.In ground formula laser radar system adjustment and integrating process, often require to hope
Remote mirror systematic optical axis alignment zenith direction simultaneously remains unchanged.At this point, ground formula laser radar detection distance and detection height are equivalent,
And then it can directly obtain and detect target information in each atmosphere height.
Guarantee that telescopic system optical axis precisely aligns zenith direction, is that laser radar detection distance and detection height are equivalent
It is crucial.It currently, mainly include that starry sky positioning mode and plane mirror reflect by the adjusting method of telescopic system optical axis alignment zenith
Method.Starry sky positioning mode determines that telescope optic axis is actually pointed to using the dimensional orientation of known target galaxy, and then adjusts telescope
Optical axis is directed at zenith；The method operates comparatively laborious, and must just can be carried out under the conditions of sunny night weather.Plane mirror is anti-
Method holding plane mirror right above telescope is penetrated, plane mirror reflecting surface is corrected to horizontal plane first with autocollimation method, is then existed
Telescope near focal point places point light source, while observing through the reflected picture point of plane mirror, thinks if the two is close to coincidence
Telescope optic axis is directed at zenith；The method need to be by plane mirror as auxiliary tool, and plane mirror must enough thickness be to prevent deformation, furthermore
Under adjustment large aperture telescope system scenario, respective planes aperture of mirror must be sufficiently large, this causes plane mirror extremely heavy, makes
High price is expensive and adjustment process is extremely not convenient.
Summary of the invention
The object of the present invention is to which it is precisely right to propose a kind of telescope optic axis for the cumbersome and inconvenient of the prior art
The adjusting method of zenith, it is only necessary to by a cheap miniature laser plumb aligner, can be realized telescope optic axis is precisely opposite
The adjusting target of zenith, and operating process is not limited by daytime or night hours, it is very convenient.
The present invention in order to solve the technical problem used by technical solution be a kind of telescope optic axis precisely to the adjusting of zenith
Method, telescopic system include telescope and mechanical speed-control device, and the telescope includes primary mirror and secondary mirror, it is characterised in that:
Laser plummet and film viewing screen are set, and laser plummet is used to be emitted the lower light out close to vertical direction, and the lower light out is can
Light-exposed, film viewing screen is used to go out emergent light spot of the light after telescopic system under viewed in real time；
Telescope optic axis precisely includes the following steps the adjustment process of zenith,
Step 1, laser zenith meter is placed in right above telescopic system, lower light out is emitted behind plumb aligner Anping and irradiated
Telescopic system primary mirror；
Step 2, the aperture of the diaphragm on telescopic system focal plane is opened to maximum, while places and sees along the horizontal plane behind diaphragm
Examine screen；
Step 3, telescopic system mechanical speed-control device is adjusted, changes telescopic system optical axis and is directed toward, the standard until laser hangs down
The lower light out of instrument successively can pass through aperture after telescope primary mirror, secondary mirror reflection；
Step 4, it keeps the current aperture of the diaphragm constant, records out light corresponding bright emergent light spot position on the viewing screen
It sets, then with predetermined angle rotation amount rotary laser plumb aligner, every rotation once all records corresponding emergent light spot position, until rotation
Until circling；
Step 5, all emergent light spots recorded on the viewing screen are inspected whether all in the bright circle of background:
If it is not, then finely tuning telescopic system mechanical speed-control device, returns and repeat step 4, allow all emergent light spots can
It falls in the bright circle of background；
If so, shrinking the aperture of the diaphragm in right amount, this step is repeated, the bright circle of background can be fallen in all emergent light spots of guarantee
Under conditions of interior, until the aperture of the diaphragm cannot reduce again, then 6 are entered step；
Step 6, the centre dot position determined by all emergent light spots is described on the viewing screen, it is slight to adjust telescope system
System mechanical speed-control device makes the centre dot be moved to the bright round the center point of background, and adjustment process terminates, and locks telescopic system
Mechanical speed-control device.
Moreover, the predetermined angle is~90 ° in step 4.
Alternatively, the predetermined angle is~60 ° in step 4.
Moreover, the telescope is Cassegrain telescope.
Alternatively, the telescope is Newtonian reflector.
Moreover, lower light and the vertical direction angle < 0.1mrad out of the laser plummet outgoing.
Moreover, the film viewing screen uses blank blank sheet of paper.
Compared with prior art, the present invention has the following advantages and beneficial effects:
1) only pointing calibration of the telescope optic axis to zenith need to can be completed by a small-sized laser plummet；
2) adjusting method is all suitable for the Cassegrain of various bores or Newtonian reflector system；
3) adjustment process is not limited by time, space, and method is intuitive, and precision is high.
Detailed description of the invention
Fig. 1 is the adjustment process schematic diagram of the embodiment of the present invention.
Specific embodiment
It describes in detail with reference to the accompanying drawings and embodiments to technical solution of the present invention.
Embodiment 1
Current telescopic system generally comprises telescope and mechanical speed-control device, and the telescope includes primary mirror and secondary mirror.
The present invention proposes setting laser plummet and film viewing screen.
Have heavy caliber Cassegrain's formula telescope of aperture 1m in embodiment 1, is fixed on surely by mechanical speed-control device
Gu on ground, now requiring to be corrected to be directed at zenith direction telescope optic axis direction.Suzhou one can be selected in laser plummet
Light DZJ200 model laser plummet product is emitted 635nm red laser beam, and lower emerging beam deviates vertical direction after correction
Angle < 0.1mrad.Film viewing screen uses blank blank sheet of paper, i.e. observation paper screen, and paper material cost bottom is easy to mark.
When it is implemented, using laser plummet generate it is visible close to vertical direction it is lower go out light, should meet with it is vertical
Direction deflecting angle < 0.1mrad.Common commercial lasers plumb aligner product can easily meet the index, this makes this method easily real
It is existing.
One of embodiment telescope optic axis precisely includes the following steps: the adjusting method of zenith
Step 1, it selects steady Stent Implantation right above telescope, then laser plummet is placed on bracket.Swash
Automatically it is emitted lower light out behind optical collimator Anping and irradiates telescope primary mirror, as shown in the side view of the part a in attached drawing 1.
Step 2, the aperture of the diaphragm on telescope focal plane is opened to maximum, at the same behind the diaphragm at a distance along the horizontal plane
Observation paper screen is placed, as shown in the side view of the part a in attached drawing 1.
When it is implemented, observation paper screen is in the subsequent placement location of diaphragm, need to only meet can see shoot laser beam,
It can be according to whether operational observations paper screen be facilitated to be adjusted.The horizontal plane is the face vertical with vertical direction, since laser hangs down
Itself precision of quasi- instrument is very high, substantially meets when placing observation paper screen horizontal.
Step 3, telescopic system mechanical speed-control device is adjusted, changes telescopic system optical axis and is directed toward, the standard until laser hangs down
The lower light out of instrument successively can pass through aperture after telescope primary mirror, secondary mirror reflection.At this point, telescopic system optical axis is directed toward tentatively
Close to zenith.
Step 4, it keeps the current aperture of the diaphragm constant, records out light corresponding bright emergent light spot on observation paper screen
Position, then with~90 ° of rotation amount rotary laser plumb aligners, every rotation once all records corresponding emergent light spot position, until rotation
Until circling.
It is preferred embodiment using~90 ° of rotation amounts, about 90 °, is simple and efficient.It can also be used when specific implementation
His predetermined angle rotation amount then records six emergent light spots as long as completely turning around 360 °, such as~60 °.
Step 5, four emergent light spots recorded on observation paper screen are inspected whether all in the bright circle of background:
If it is not, then finely tuning telescopic system mechanical speed-control device, returns and repeat step 4, allow four emergent light spots can
It falls in the bright circle of background, as shown in the top view of the part b in attached drawing 1；
If so, reducing the aperture of the diaphragm in right amount.This step is repeated, is inspected again, can be fallen in four emergent light spots of guarantee
Under the precondition in the bright circle of background, until the aperture of the diaphragm cannot reduce again, then 6 are entered step.At this point, telescopic system
Optical axis direction approaches zenith.
When it is implemented, the bright circle of background can directly be seen that on observation paper screen, and it is relatively darker, no matter whether laser beam may be used
All to exist by telescope.The bright circle of background can be marked there are a center of circle using cross hairs.
Step 6, observation paper screen on describe determined by four emergent light spots centre dot position (in respective figure 1b by
The crosspoint for two groups of circle center line connectings that four emergent light spots determine), the slight telescopic system mechanical speed-control device that adjusts makes this
Centre dot is moved to the bright round the center point (as shown in the top view of the part c in attached drawing 1) of background, then adjustment process terminates, locking
Telescopic system mechanical speed-control device.At this point, telescopic system optical axis direction precisely aligns zenith.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, is a difference in that: Cassegrain's formula telescope is changed to the reflective prestige of newton
Remote mirror.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, is a difference in that: aperture of mirror of looking in the distance is changed to 0.2m by 1m.
Specific embodiment described herein is illustrated to spirit of that invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be replaced using similar method, but
Without departing from the spirit of the invention or going beyond the scope defined by the appended claims.
Claims (7)
1. a kind of telescope optic axis is precisely to the adjusting method of zenith, telescopic system includes telescope and mechanical speed-control device,
The telescope includes primary mirror and secondary mirror, it is characterised in that: setting laser plummet and film viewing screen, laser plummet is for being emitted
Close to vertical direction it is lower go out light, it is described it is lower go out light be visible light, film viewing screen is used to go out under viewed in real time light through telescopic system
Emergent light spot afterwards；
Telescope optic axis precisely includes the following steps the adjustment process of zenith,
Step 1, laser zenith meter is placed in right above telescopic system, lower light out is emitted behind plumb aligner Anping and is irradiated and is looked in the distance
Mirror system primary mirror；
Step 2, the aperture of the diaphragm on telescopic system focal plane is opened to maximum, while places observation along the horizontal plane behind diaphragm
Screen；
Step 3, telescopic system mechanical speed-control device is adjusted, changes telescopic system optical axis and is directed toward, until laser plummet
Going out light down successively can pass through aperture after telescope primary mirror, secondary mirror reflection；
Step 4, it keeps the current aperture of the diaphragm constant, records out light corresponding bright emergent light spot position on the viewing screen,
Then with predetermined angle rotation amount rotary laser plumb aligner, every rotation once all records corresponding emergent light spot position, until rotation
Until one week；
Step 5, all emergent light spots recorded on the viewing screen are inspected whether all in the bright circle of background:
If it is not, then finely tuning telescopic system mechanical speed-control device, returns and repeat step 4, all emergent light spots can be fallen in
In the bright circle of background；
If so, shrinking the aperture of the diaphragm in right amount, this step is repeated, can be fallen in the bright circle of background in all emergent light spots of guarantee
Under the conditions of, until the aperture of the diaphragm cannot reduce again, then enter step 6；
Step 6, the centre dot position determined by all emergent light spots is described on the viewing screen, it is slight to adjust telescopic system machine
Tool adjustment device makes the centre dot be moved to the bright round the center point of background, and adjustment process terminates, and locking telescopic system is mechanical
Adjust device.
2. a kind of telescope optic axis as described in claim 1 is precisely to the adjusting method of zenith, it is characterised in that: in step 4,
The predetermined angle is~90 °.
3. a kind of telescope optic axis as described in claim 1 is precisely to the adjusting method of zenith, it is characterised in that: in step 4,
The predetermined angle is~60 °.
4. a kind of telescope optic axis as described in claims 1 or 2 or 3 is precisely to the adjusting method of zenith, it is characterised in that: institute
Stating telescope is Cassegrain telescope.
5. a kind of telescope optic axis as described in claims 1 or 2 or 3 is precisely to the adjusting method of zenith, it is characterised in that: institute
Stating telescope is Newtonian reflector.
6. a kind of telescope optic axis as described in claims 1 or 2 or 3 is precisely to the adjusting method of zenith, it is characterised in that: institute
State lower light and the vertical direction angle < 0.1mrad out of laser plummet outgoing.
7. a kind of telescope optic axis as described in claims 1 or 2 or 3 is precisely to the adjusting method of zenith, it is characterised in that: institute
Film viewing screen is stated using blank blank sheet of paper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910293075.6A CN109946845B (en) | 2019-04-12 | 2019-04-12 | Method for adjusting optical axis of telescope to zenith accurately |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910293075.6A CN109946845B (en) | 2019-04-12 | 2019-04-12 | Method for adjusting optical axis of telescope to zenith accurately |
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| CN109946845B CN109946845B (en) | 2022-08-16 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455029A (en) * | 1973-04-26 | 1976-11-10 | Messerschmitt Boelkow Blohm | Apparatus for checking the line of sight of a telescope in relation to that of an infra-red goniometer |
| CN1122010A (en) * | 1994-06-22 | 1996-05-08 | 株式会社拓普康 | Annular laser point projecting machine |
| US20020094149A1 (en) * | 2001-01-16 | 2002-07-18 | Todd Barrett | Method for providing variable optical attenuation |
| CN101501550A (en) * | 2006-08-08 | 2009-08-05 | 莱卡照相机股份公司 | Telescope with variable magnification |
| CN101561500A (en) * | 2008-04-15 | 2009-10-21 | 中国科学院安徽光学精密机械研究所 | Automatic laser radar collimating system |
| CN102032920A (en) * | 2010-11-11 | 2011-04-27 | 宜昌市计量检定测试所 | Device and method for calibrating plumb aligner |
| WO2012169935A2 (en) * | 2011-06-06 | 2012-12-13 | Open Joint Stock Company "Scientific And Production Association" State Institute Of Applied Optics" (Ojsc "Npo "Gipo") | Device for aligning a two-mirror centered optical system |
| CN104457816A (en) * | 2013-09-13 | 2015-03-25 | 中国地震局地震研究所 | Optical telescope rotary encoder absolute position reference point calibration method |
| CN105510899A (en) * | 2015-11-27 | 2016-04-20 | 皖江新兴产业技术发展中心 | Laser radar coaxial detection system and automatic calibration method therefor |
-
2019
- 2019-04-12 CN CN201910293075.6A patent/CN109946845B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455029A (en) * | 1973-04-26 | 1976-11-10 | Messerschmitt Boelkow Blohm | Apparatus for checking the line of sight of a telescope in relation to that of an infra-red goniometer |
| CN1122010A (en) * | 1994-06-22 | 1996-05-08 | 株式会社拓普康 | Annular laser point projecting machine |
| US20020094149A1 (en) * | 2001-01-16 | 2002-07-18 | Todd Barrett | Method for providing variable optical attenuation |
| CN101501550A (en) * | 2006-08-08 | 2009-08-05 | 莱卡照相机股份公司 | Telescope with variable magnification |
| CN101561500A (en) * | 2008-04-15 | 2009-10-21 | 中国科学院安徽光学精密机械研究所 | Automatic laser radar collimating system |
| CN102032920A (en) * | 2010-11-11 | 2011-04-27 | 宜昌市计量检定测试所 | Device and method for calibrating plumb aligner |
| WO2012169935A2 (en) * | 2011-06-06 | 2012-12-13 | Open Joint Stock Company "Scientific And Production Association" State Institute Of Applied Optics" (Ojsc "Npo "Gipo") | Device for aligning a two-mirror centered optical system |
| CN104457816A (en) * | 2013-09-13 | 2015-03-25 | 中国地震局地震研究所 | Optical telescope rotary encoder absolute position reference point calibration method |
| CN105510899A (en) * | 2015-11-27 | 2016-04-20 | 皖江新兴产业技术发展中心 | Laser radar coaxial detection system and automatic calibration method therefor |
Non-Patent Citations (3)
| Title |
|---|
| 《计量测试技术手册》编辑委员会编著: "《计量测试技术手册 第2卷 几何量》", 31 March 1997 * |
| 庄靖雯: "基于中纬度激光雷达和CALIPSO的纳布罗火山气溶胶的观测研究", 《中国博士学位论文全文数据库》 * |
| 王光遐 等: "《测量放线工岗位培训教材》", 29 February 2004 * |
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