CN102679946A - Method for calibrating spatial azimuth angle of light collimation system - Google Patents
Method for calibrating spatial azimuth angle of light collimation system Download PDFInfo
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- CN102679946A CN102679946A CN2012101614143A CN201210161414A CN102679946A CN 102679946 A CN102679946 A CN 102679946A CN 2012101614143 A CN2012101614143 A CN 2012101614143A CN 201210161414 A CN201210161414 A CN 201210161414A CN 102679946 A CN102679946 A CN 102679946A
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Abstract
The invention discloses a method for calibrating a spatial azimuth angle of a light collimation system. In the method, the normal height of a reference prism is subjected to translation conversion by adopting a circular dividing table turntable, so that inclined angles of an upper azimuth angle and a lower azimuth angle in a north reference measurement and transmission combination between normals of prisms at an angle of about 90 degrees can be quickly measured. A device consists of a collimation theodolite 1, a bracket barrel 2, an instrument base 3, a lower bracket disk 4, an upper bracket disk 5, a compaction mechanism 6, a replication light path device 7, a hanging mechanism 8 and the circular dividing table turntable 9, wherein the replication light path device 7 and the hanging mechanism 8 are combined to a whole; and during use, the replication light path device 7 and the hanging mechanism 8 are hung on the upper surface and the side surface of the north reference measurement and transmission combination 10; the circular dividing table turntable 9 is positioned between the lower bracket disk 4 and the instrument base 3; and the replication light path device 7 consists of an optical lens 11 and a corresponding optical fixing mechanism, wherein the section shape of the optical lens 11 is a parallelogram. The calibration device can quickly and precisely measure the inclined angle between the normals of an angle measurement prism 12 and a reference prism 13 in a space.
Description
The ■ technical field
The present invention relates to sighting system, particularly a kind of attitude scaling method in the optical aiming system.
The ■ background technology
Take aim in the system at light, generally include the north orientation reference measurement transmission combination of forming by following instrument and gyrocompass.Wherein, between the angle measurement prism of following instrument internal and the benchmark prism of bottom, in height not in a surface level, on the position angle, differ about 90 degree each other.Therefore this constitutes an angle in the space between the two.In order to guarantee the precision of instrument, need carry out regular measurement to this space angle.Conventional measuring method adopts autocollimation theodolite carrying out setting up for twice with these two corresponding two different height and the different positions of tested prism method line position respectively, and takes aim at same bigbore plane of reflection mirror through light and carry out the transmission of angle reference.Obviously; In order to measure this angle; Set up transit owing to twice in different orientation and position, different height, certainly will need the pair warp and weft appearance to carry out twice position and move, fix and the leveling operation, and need aim at tested two prisms and twice light respectively and take aim at large reflective mirror.Because the measurement of collimation transit belongs to precision measurement, inefficiency is extremely wasted time and energy in measurement and operating process.
The ■ summary of the invention:
The object of the present invention is to provide a kind of attitude scaling method; Be used for the angle of two orientation angles up and down between the prism normal about 90 degree of north orientation reference measurement and transmission combination measured fast; To shorten Measuring Time; Reduce tester's working strength, increase work efficiency.
The composition of attitude caliberating device comprises dish, hold-down mechanism on collimation transit, rack tube, instrument base, support lower wall, the support, also comprises the light path device of turning back, hitch, circular dividing table rotating disk.Wherein, turn back light path device and hitch are combined into as a whole, are suspended on the upper surface and the side of north orientation reference measurement transmission combination during use, and the circular dividing table rotating disk is between support lower wall and instrument base.Optical prism that it is parallelogram that the light path device of turning back adopts a cross sectional shape and corresponding optics fixed mechanism are formed, and the length of this parallelogram prism is determined by tested angle measurement prism and the difference in height of benchmark prism normal in the space.Guarantee to have the collimation of height through optics processing between two inclined-planes of parallelogram.Since this parallelogram prism have from a side incide the inner light in inclined-plane through the reflection on two inclined-planes after emergent light and the parallel characteristic of incident light strictness, utilize this characteristic can realize measured prism normal is spatially moved to the function of certain height.
Adopt this attitude scaling method; The process that angle between two prism normals up and down in the north orientation reference measurement transmission combination is measured is following: the north orientation reference measurement is transmitted combined bay be located at above the supporting seat of being made up of dish on instrument base, circular dividing table rotating disk, support lower wall, rack tube, the support, compress with hold-down mechanism.The light path device of will turning back is placed in north orientation reference measurement transmission combination top with hitch, makes the benchmark prism of the side in alignment below of parallelogram prism.Set up the collimation transit, make its optical axis direction aim at the top light hole of parallelogram prism, and flatten.Earlier through the parallelogram prism to measurements that collimate of below benchmark prism, write down collimation transit directional reading and circular dividing table rotating disk angular readings at this moment.Then, through the rotation of circular dividing table rotating disk, the north orientation reference measurement transmission combination that drives its top is revolved and is turn 90 degrees, and like this, the optical axis of collimation transit will be aimed at down the angle measurement prism normal direction of instrument internal basically.The azimuth axis of adjustment collimation transit makes measurements that collimate of its normal direction to this angle measurement prism, writes down collimation transit orientation reading at this moment, and writes down the accurate angle of circular dividing table dial rotation.Ask difference to calculate to the collimation theodolite reading of writing down for twice, and carry out anded, can obtain the transmission of north orientation reference measurement and make up the space angle between the benchmark prism normal of inner prism and below with the accurate angle of circular dividing table dial rotation.
The ■ beneficial effect
The present invention adopts the light path device of turning back that benchmark prism normal height is carried out the translation conversion; Adopt the circular dividing table rotating disk that the prism normal of north orientation reference measurement transmission combination is carried out the conversion of 90 degree angles, need move for twice and the trouble of setting up the collimation transit again in having avoided measuring.It is fast to have measuring speed, and Measuring Time is short, and working strength is low, the characteristics of high efficiency.
The ■ description of drawings
Fig. 1 implements synoptic diagram for the attitude scaling method.
1. 11. optical prisms, 12. angle measurement prisms, 13. benchmark prisms are made up in the light path device 8. hitches 9. circular dividing table rotating disks 10. north orientation reference measurement transmission of turning back of dish 6. hold-down mechanisms 7. on collimation transit 2. rack tubes 3. instrument bases 4. support lower walls 5. supports
The ■ embodiment
The attitude caliberating device mainly by coil 5 on collimation transit 1, rack tube 2, instrument base 3, support lower wall 4, the support, hold-down mechanism 6, and the light path device 7 of turning back, hitch 8, circular dividing table rotating disk 9 are formed.Wherein, turn back light path device 7 and hitch 8 are combined into as a whole, are suspended on the upper surface and the side of north orientation reference measurement transmission combination 10 during use, and circular dividing table rotating disk 9 is between support lower wall 4 and instrument base 3.Optical prism 11 and corresponding optics fixed mechanism that it is parallelogram that the light path device 7 of turning back adopts a cross sectional shape are formed, and the length of this parallelogram prism is by tested angle measurement prism 12 and the difference in height decision of benchmark prism 13 normals in the space.Guarantee to have the collimation of height through optics processing between two inclined-planes of parallelogram.Since this parallelogram prism have from a side incide the inner light in inclined-plane through the reflection on two inclined-planes after emergent light and the parallel characteristic of incident light strictness, utilize this characteristic can realize measured prism normal is spatially moved to the function of certain height.
During use, north orientation reference measurement transmission combination 10 is erected at the supporting seat top of being made up of dish 5 on instrument base 3, circular dividing table rotating disk 9, support lower wall 4, rack tube 2, the support, compresses with hold-down mechanism 6.The light path device 7 usefulness hitches 8 of will turning back are placed in the transmission of north orientation reference measurement and make up 10 tops, make the benchmark prism 13 of the side in alignment below of parallelogram prism 11.Set up collimation transit 1, make its optical axis direction aim at the top light hole of parallelogram prism, and flatten.Earlier, write down collimation transit directional reading and circular dividing table rotating disk 9 angular readings at this moment through 11 pairs of belows of parallelogram prism benchmark prism 13 measurements that collimate.Then, through the rotation of circular dividing table rotating disk 9, the north orientation reference measurement transmission combination 10 that drives its top is revolved and is turn 90 degrees, and like this, the optical axis of collimation transit 1 will be aimed at down angle measurement prism normal 12 directions of instrument internal basically.The azimuth axis of adjustment collimation transit 1 makes measurements that collimate of its normal direction to this angle measurement prism 12, writes down the collimation transit orientation reading of 1 this moment, and writes down the accurate angle of circular dividing table rotating disk 9 rotations.The collimation theodolite reading of writing down for twice is asked difference to calculate and carried out anded with the accurate angle of circular dividing table dial rotation, can obtain the transmission of north orientation reference measurement and make up the space angle between benchmark prism 13 normals of inner prism 12 and below.
Claims (7)
1. sighting system attitude scaling method; It is characterized in that: this method is based on sighting system attitude caliberating device; Device is by dish, hold-down mechanism on collimation transit, rack tube, instrument base, support lower wall, the support, and the light path device of turning back, hitch, circular dividing table rotating disk and north orientation reference measurement transmission combination are formed.
2. sighting system attitude scaling method as claimed in claim 1; It is characterized in that: optical prism that it is parallelogram that the light path device of turning back adopts a cross sectional shape and corresponding optics fixed mechanism are formed, and the length of this parallelogram prism is determined by tested angle measurement prism and the difference in height of benchmark prism normal in the space.
3. sighting system attitude scaling method as claimed in claim 2; It is characterized in that: guarantee to have the collimation of height through optics processing between two inclined-planes of parallelogram optical prism; Since this parallelogram prism have from a side incide the inner light in inclined-plane through the reflection on two inclined-planes after emergent light and the parallel characteristic of incident light strictness, utilize this characteristic can realize measured prism normal is spatially moved to the function of certain height.
4. sighting system attitude caliberating device as claimed in claim 3; It is characterized in that: to the measurement that collimates of below benchmark prism, write down the circular dividing table rotating disk angular readings of collimation transit directional reading and this moment through the parallelogram prism in the light path device of turning back.
5. sighting system attitude scaling method as claimed in claim 4; It is characterized in that: through the rotation of circular dividing table rotating disk; The north orientation reference measurement transmission combination that drives its top is revolved and is turn 90 degrees, and like this, the optical axis of collimation transit will be aimed at down the angle measurement prism normal direction of instrument internal.
6. sighting system attitude scaling method as claimed in claim 5; It is characterized in that: the azimuth axis of adjustment collimation transit; Make the measurement that collimates of its normal direction to this benchmark prism; Write down the collimation transit orientation reading of this moment, and write down the accurate angle of circular dividing table dial rotation.
7. sighting system attitude scaling method as claimed in claim 6; It is characterized in that: the collimation theodolite reading of writing down for twice is asked difference to calculate and carried out anded with the accurate angle of circular dividing table dial rotation, can obtain the numerical value of sighting system attitude.
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| CN201210161414.3A CN102679946B (en) | 2012-05-23 | 2012-05-23 | Method for calibrating spatial azimuth angle of light collimation system |
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| CN201210161414.3A CN102679946B (en) | 2012-05-23 | 2012-05-23 | Method for calibrating spatial azimuth angle of light collimation system |
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| CN102679946B CN102679946B (en) | 2016-12-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103727962A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Precision calibration method of wide-field infrared photoelectric theodolite |
| CN104864843A (en) * | 2015-05-29 | 2015-08-26 | 湖北三江航天万峰科技发展有限公司 | High-accuracy two-layer collimating guide rail |
| CN105526950A (en) * | 2016-01-21 | 2016-04-27 | 北京理工大学 | Calibration detection device for optical sighting |
| CN106705991A (en) * | 2015-08-07 | 2017-05-24 | 北京航天计量测试技术研究所 | Testing apparatus for installation errors of sighting prism of strapdown inertial measurement unit |
| CN114061537A (en) * | 2021-10-26 | 2022-02-18 | 西安电子工程研究所 | Device and method for calibrating positioning accuracy of radar rotary table by adopting electronic theodolite |
| CN116878543A (en) * | 2023-09-06 | 2023-10-13 | 中国科学院长春光学精密机械与物理研究所 | Measuring system and measuring method for installation reference of inclination sensor of photoelectric theodolite |
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| CN100565115C (en) * | 2007-12-11 | 2009-12-02 | 中国科学院长春光学精密机械与物理研究所 | The scaling method of multi-position strapping north-seeking system direction effect |
| CN201159646Y (en) * | 2007-12-12 | 2008-12-03 | 中国科学院光电研究院 | Strap-down multi-position gyrostatic compass |
| CN102062597B (en) * | 2009-11-18 | 2014-03-05 | 中国船舶重工集团公司第七0七研究所 | Porro prism azimuth reference measuring instrument |
| CN202092631U (en) * | 2011-05-31 | 2011-12-28 | 北京航天发射技术研究所 | Aiming system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727962A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Precision calibration method of wide-field infrared photoelectric theodolite |
| CN103727962B (en) * | 2014-01-14 | 2016-07-06 | 中国科学院长春光学精密机械与物理研究所 | Big visual field infrared electro theodolite precision calibration method |
| CN104864843A (en) * | 2015-05-29 | 2015-08-26 | 湖北三江航天万峰科技发展有限公司 | High-accuracy two-layer collimating guide rail |
| CN106705991A (en) * | 2015-08-07 | 2017-05-24 | 北京航天计量测试技术研究所 | Testing apparatus for installation errors of sighting prism of strapdown inertial measurement unit |
| CN105526950A (en) * | 2016-01-21 | 2016-04-27 | 北京理工大学 | Calibration detection device for optical sighting |
| CN105526950B (en) * | 2016-01-21 | 2018-01-19 | 北京理工大学 | Optical laying demarcation detection means |
| CN114061537A (en) * | 2021-10-26 | 2022-02-18 | 西安电子工程研究所 | Device and method for calibrating positioning accuracy of radar rotary table by adopting electronic theodolite |
| CN114061537B (en) * | 2021-10-26 | 2023-08-29 | 西安电子工程研究所 | Device and method for calibrating radar turntable setting precision by adopting electronic theodolite |
| CN116878543A (en) * | 2023-09-06 | 2023-10-13 | 中国科学院长春光学精密机械与物理研究所 | Measuring system and measuring method for installation reference of inclination sensor of photoelectric theodolite |
| CN116878543B (en) * | 2023-09-06 | 2023-11-28 | 中国科学院长春光学精密机械与物理研究所 | Measuring system and measuring method for installation reference of inclination sensor of photoelectric theodolite |
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