CN102927993A - Vertical transmission indoor optical reference calibration system - Google Patents
Vertical transmission indoor optical reference calibration system Download PDFInfo
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- CN102927993A CN102927993A CN2012103779193A CN201210377919A CN102927993A CN 102927993 A CN102927993 A CN 102927993A CN 2012103779193 A CN2012103779193 A CN 2012103779193A CN 201210377919 A CN201210377919 A CN 201210377919A CN 102927993 A CN102927993 A CN 102927993A
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Abstract
The invention relates to a vertical transmission indoor optical reference calibration system, which comprises an auto-collimation theodolite, a first planar mirror system, a second planar mirror system, a first Porro prism, a second Porro prism and a reference column, wherein the first Porro prism and the second Porro prism are sequentially arranged on the reference column from top to bottom; the auto-collimation theodolite, the second planar mirror system and the second Porro prism are arranged on the same optical path; a first planar reflecting system and a second planar reflecting system are sequentially arranged from top to bottom; a first planar mirror is arranged on a reflected optical path which passes through a second planar reflection system; and the first planar mirror and the first Porro prism are on the same optical path. The invention provides a high-precision, high-stability and long-distance accurate positioning vertical transmission indoor optical reference calibration system.
Description
Technical field
The invention belongs to optical field, relate to a kind of optical reference calibration system, relate in particular to the indoor optics benchmark calibration of a kind of vertical transmission system.
Background technology
The vertical transmission technology is the emerge science of current point technique, is the combination of current photoelectric technology and automatic control technology.Orientation vertical transmission device is to develop on the basis of vertical transmission technology, it not only can determine the initial position of guided missile, rocket and spacecraft, the more important thing is that it can realize fully motor-drivenly, be not subjected to the restriction of launching level ground, can round-the-clockly carry out the automatic measurement of fast accurate.Development along with military technology, spationautics and optics, exact instrument, automatic control technology, make to demonstrate its consequence and effect aspect the initial position measurement of vertical transmission technology before guided missile, rocket and Spacecraft Launch, also more demonstrate it in wide application prospects in aspect such as scientific research, national defense construction and national security.
Transmitting accuracy is the most key technical indicator in the orientation vertical transmission device to test, and this index directly affects the accuracy of measurement of orientation vertical transmission device.This index is tested by optical reference at present, therefore must demarcate accurately optical reference in advance.Originally, the demarcation of optical reference was carried out outdoor, and tiltedly take aim at a distance glass sieve prism by autocollimation theodolite and demarcate, and each variant owing to decorating position, all need before the test to demarcate, comparatively loaded down with trivial details.Outdoor calibration request has open place, and the environmental factor such as weather conditions is very large to the stability influence of optical reference.Therefore the new method that needs the indoor optics benchmark calibration of a kind of vertical transmission.
Summary of the invention
In order to solve the above-mentioned technical matters that exists in the background technology, the invention provides the accurately indoor optics benchmark calibration of the vertical transmission system of location of a kind of high precision, high stability and long distance.
Technical solution of the present invention is: the invention provides the indoor optics benchmark calibration of a kind of vertical transmission system, its special character is: the indoor optics benchmark calibration of described vertical transmission system comprises autocollimation theodolite, the first plane reflection mirror system, the second plane reflection mirror system, first glass sieve prism, second glass sieve prism and benchmark column; Described first glass sieve prism and second glass sieve prism are successively set on the benchmark column from top to bottom; Described autocollimation theodolite, the second plane reflection mirror system and second glass sieve prism are arranged on the same light path; Described the first plane reflection system and the second plane reflection system set gradually from top to bottom, and described the first plane mirror is arranged on the reflected light path of the second plane reflection system; Described the first plane mirror and first glass sieve prism are on the same light path.
Above-mentioned the first plane reflection mirror system and the second plane reflection mirror system include the U-shaped motion bracket of twin shaft and plane mirror; The U-shaped motion bracket of described twin shaft comprise the motion bracket transverse axis and with the perpendicular motion bracket Z-axis of motion bracket transverse axis; Described plane mirror is arranged on the transverse axis of motion bracket.
Above-mentioned motion bracket transverse axis and motion bracket Z-axis all are half campaign-styled precision bearing systems, described motion bracket transverse axis and motion bracket Z-axis are all with locking and micro-adjusting mechanism, and the axle of described motion bracket transverse axis and motion bracket Z-axis system rolling momentum is 1 ".
Be provided with the pitching code-disc on the above-mentioned motion bracket transverse axis; The angle measurement accuracy of described pitching code-disc is 2 ".
The verticality of above-mentioned motion bracket transverse axis and motion bracket Z-axis is 1 "; The verticality of described motion bracket transverse axis and plane mirror normal is 1 ".
Be provided with level on the U-shaped motion bracket of above-mentioned twin shaft, the leveling precision of described level " the every lattice that are 10.
The RMS value of the surface figure accuracy of above-mentioned plane mirror is λ/20; The reflectivity of described plane mirror is 99%.
The angle measurement accuracy of above-mentioned autocollimation theodolite is 0.5 ".
Above-mentioned first glass sieve prism and second glass sieve prism are total reflection right-angle prism or total reflection Dove prism, the RMS value of the surface figure accuracy of described total reflection right-angle prism or total reflection Dove prism is λ/20, and the reflectivity of described total reflection right-angle prism or total reflection Dove prism is 99%.
Above-mentionedly be arranged on first glass sieve prism on the benchmark column and the vertical range between second glass sieve prism is 3m～30m.
Advantage of the present invention is:
1, high precision.The present invention has adopted autocollimation theodolite, and its angle measurement accuracy can reach 0.5 ".Simultaneously, the present invention has also adopted 2 plane reflection mirror systems and 2 Tai Boluo prisms, the surface figure accuracy of plane mirror and Bo Luo prism all can reach λ/20(RMS value), reflectivity all can reach 99%, in order to provide high-quality autocollimation outgoing beam and high-quality autocollimation to return picture, so that the demarcation of optical reference has fundamentally realized high precision.
2, high stability.The present invention has adopted the benchmark column, and this benchmark column is reinforced concrete structure, and 2 Tai Boluo prisms are arranged on the benchmark column.The present invention has also adopted 2 plane reflection mirror systems, and the transverse axis of these 2 plane reflection mirror systems and Z-axis are half campaign-styled precision bearing system structure, and diaxon is all with latch mechanism, and axle system rolling momentum can reach 1 ".In addition, the present invention has also adopted indoor standardization, and is similar with the actual operating position that plays the upper mounting plate prism, is not subjected to the impact of environmental factor, can realize the high stability in the optical reference calibration process.
3, long distance is accurately located.Vertical range between the 2 Tai Boluo prisms that the present invention adopts can reach 3m～30m.The pitching code-disc angle measurement accuracy of 2 plane reflection mirror systems that the present invention adopts can reach 2 "; the verticality of transverse axis and Z-axis can reach 1 ", the verticality of transverse axis and plane mirror normal can reach 1 "; the leveling precision can reach 10 "/lattice, and diaxon is all with micro-adjusting mechanism, quick and convenient with what guarantee in the calibration process of optical reference, to set up and adjust, can be so that the present invention can grow accurately location of distance.
Description of drawings
Fig. 1 is the structural representation of the indoor optics benchmark calibration of vertical transmission provided by the present invention system;
Wherein:
The 1-autocollimation theodolite; 2-the first plane reflection mirror system; 3-the second plane reflection system; 4-first glass sieve prism; 5-second glass sieve prism; 6-benchmark column.
Embodiment
The invention provides the indoor optics benchmark calibration of a kind of vertical transmission system, the indoor optics benchmark calibration of this vertical transmission system comprises autocollimation theodolite, the first plane reflection mirror system, the second plane reflection mirror system, first glass sieve prism, second glass sieve prism and benchmark column; First glass sieve prism and second glass sieve prism are successively set on the benchmark column from top to bottom; Autocollimation theodolite, the second plane reflection mirror system and second glass sieve prism are arranged on the same light path; The first plane reflection system and the second plane reflection system set gradually from top to bottom, and the first plane mirror is arranged on the reflected light path of the second plane reflection system; The first plane mirror and first glass sieve prism are on the same light path.
The first plane reflection mirror system and the second plane reflection mirror system include the U-shaped motion bracket of twin shaft and plane mirror; The U-shaped motion bracket of twin shaft comprise the motion bracket transverse axis and with the perpendicular motion bracket Z-axis of motion bracket transverse axis; Plane mirror is arranged on the transverse axis of motion bracket.
Below in conjunction with accompanying drawing technical scheme provided by the present invention is elaborated.
Referring to Fig. 1, the system of the indoor optics benchmark calibration of the vertical transmission of mistake provided by the present invention, the instrument and equipment of using in the system of the indoor optics benchmark calibration of this vertical transmission comprises autocollimation theodolite 1, plane reflection mirror system 2 and 3, glass sieve prism 4 and 5 and benchmark column 6.2 plane reflection mirror systems in the indoor optics benchmark calibration of this vertical transmission system are arranged between autocollimation theodolite and the 2 Tai Boluo prisms, and with the same light path of autocollimation theodolite and Bo Luo prism place on.
Plane reflection mirror system 2 and 3 main structure body should adopt and the U-shaped motion bracket of the similar twin shaft of transit, and twin shaft all should be with locking and micro-adjusting mechanism, the convenient rotation and the locking of relevant position.Plane mirror is arranged on the transverse axis of the U-shaped motion bracket of twin shaft, and surface figure accuracy can reach RMS value λ/20, and reflectivity can reach 99%, to guarantee autocollimation light beam the least possible light energy losses in growing apart from transmittance process.The diaxon axle system rolling momentum of plane reflection mirror system can reach 1 "; the verticality of transverse axis and Z-axis can reach 1 ", the verticality of transverse axis and plane mirror normal can reach 1 "; the leveling precision can reach 10 " every lattice, pitching code-disc angle measurement accuracy can reach 2 ", growing apart from the directivity in the transmittance process to guarantee the autocollimation light beam.
Settle calibration facility according to Fig. 1, principle of work is: set up autocollimation theodolite 1 at distance glass sieve prism 5 not far equal-height positions, the pitching value of autocollimation theodolite 1 is placed on 90 °, and from the orientation values of locating tab assembly glass sieve prism 5; Set up plane reflection mirror system 3 between the two, the object lens of its mirror alignment autocollimation theodolite 1 are placed on 90 ° with its pitching value, and the orientation of adjusting plane reflection mirror system 3 makes autocollimation theodolite 1 to its complete autocollimatic.The pitching value of plane reflection mirror system 3 is gone to 45 °, directly over it, set up plane reflection mirror system 2 with glass sieve prism 4 equal-height positions; The pitching value of plane reflection mirror system 2 is gone to 225 °, adjust the minute surface normal that its orientation makes its minute surface normal and plane reflection mirror system 3 and be in the same vertical guide; Use the autocollimation theodolite 1 can be from the orientation values of locating tab assembly glass sieve prism 4 this moment, and the difference that is recorded twice orientation values by autocollimation theodolite 1 is optical reference.
Calibration system provided by the present invention is subjected to space constraint when having solved indoor optics benchmark calibration and the problem that can't tiltedly take aim at, and is not subjected to the impact of environmental factor, and also the state in the realistic use procedure is demarcated effective time and also can greatly be prolonged.
Claims (10)
1. the indoor optics benchmark calibration of vertical transmission system, it is characterized in that: the indoor optics benchmark calibration of described vertical transmission system comprises autocollimation theodolite, the first plane reflection mirror system, the second plane reflection mirror system, first glass sieve prism, second glass sieve prism and benchmark column; Described first glass sieve prism and second glass sieve prism are successively set on the benchmark column from top to bottom; Described autocollimation theodolite, the second plane reflection mirror system and second glass sieve prism are arranged on the same light path; Described the first plane reflection system and the second plane reflection system set gradually from top to bottom, and described the first plane mirror is arranged on the reflected light path of the second plane reflection system; Described the first plane mirror and first glass sieve prism are on the same light path.
2. the indoor optics benchmark calibration of vertical transmission according to claim 1 system, it is characterized in that: described the first plane reflection mirror system and the second plane reflection mirror system include the U-shaped motion bracket of twin shaft and plane mirror; The U-shaped motion bracket of described twin shaft comprise the motion bracket transverse axis and with the perpendicular motion bracket Z-axis of motion bracket transverse axis; Described plane mirror is arranged on the transverse axis of motion bracket.
3. the indoor optics benchmark calibration of vertical transmission according to claim 2 system, it is characterized in that: described motion bracket transverse axis and motion bracket Z-axis all are half campaign-styled precision bearing systems, described motion bracket transverse axis and motion bracket Z-axis are all with locking and micro-adjusting mechanism, and the axle of described motion bracket transverse axis and motion bracket Z-axis system rolling momentum is 1 ".
4. the indoor optics benchmark calibration of vertical transmission according to claim 3 system is characterized in that: be provided with the pitching code-disc on the described motion bracket transverse axis; The angle measurement accuracy of described pitching code-disc is 2 ".
5. the indoor optics benchmark calibration of vertical transmission according to claim 4 system, it is characterized in that: the verticality of described motion bracket transverse axis and motion bracket Z-axis is 1 "; The verticality of described motion bracket transverse axis and plane mirror normal is 1 ".
6. the indoor optics benchmark calibration of the described vertical transmission of arbitrary claim system according to claim 2-5 is characterized in that: be provided with level on the U-shaped motion bracket of described twin shaft, the leveling precision of described level " the every lattice that are 10.
7. the indoor optics benchmark calibration of vertical transmission according to claim 6 system, it is characterized in that: the RMS value of the surface figure accuracy of described plane mirror is λ/20; The reflectivity of described plane mirror is 99%.
8. the indoor optics benchmark calibration of vertical transmission according to claim 1 system, it is characterized in that: the angle measurement accuracy of described autocollimation theodolite is 0.5 ".
9. the indoor optics benchmark calibration of vertical transmission according to claim 8 system, it is characterized in that: described first glass sieve prism and second glass sieve prism are total reflection right-angle prism or total reflection Dove prism, the RMS value of the surface figure accuracy of described total reflection right-angle prism or total reflection Dove prism is λ/20, and the reflectivity of described total reflection right-angle prism or total reflection Dove prism is 99%.
10. the indoor optics benchmark calibration of vertical transmission according to claim 9 system is characterized in that: describedly be arranged on first glass sieve prism on the benchmark column and the vertical range between second glass sieve prism is 3m～30m.
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| CN2012103779193A CN102927993A (en) | 2012-10-08 | 2012-10-08 | Vertical transmission indoor optical reference calibration system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068259A (en) * | 2015-08-13 | 2015-11-18 | 中科院南京天文仪器有限公司 | Precision adjusting method used for two-dimensional scanning device optical device normal angle |
| CN107179066A (en) * | 2017-05-10 | 2017-09-19 | 中国科学院西安光学精密机械研究所 | Rotate robot scaling equipment and its calibrating method |
| CN107806856A (en) * | 2017-09-28 | 2018-03-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of experimental detection device and method of simulated target spatial attitude |
| CN109141468A (en) * | 2017-06-15 | 2019-01-04 | 北京航天计量测试技术研究所 | The caliberating device at spaceborne mapping system reference attitude angle in thermal vacuum environment |
| 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 |
| CN111076697A (en) * | 2019-12-02 | 2020-04-28 | 中国科学院西安光学精密机械研究所 | Multi-target synchronous orientation device and orientation method |
| CN112815965A (en) * | 2021-01-14 | 2021-05-18 | 交通运输部天津水运工程科学研究所 | Verticality and vertex angle measurement and calibration device and method for movable mechanical pore-forming detector |
| CN113267146A (en) * | 2021-05-12 | 2021-08-17 | 中国科学院西安光学精密机械研究所 | Method and system for calibrating parallelism of heterodromous deflection light pipe based on double-mirror splicing |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068259A (en) * | 2015-08-13 | 2015-11-18 | 中科院南京天文仪器有限公司 | Precision adjusting method used for two-dimensional scanning device optical device normal angle |
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| CN107179066A (en) * | 2017-05-10 | 2017-09-19 | 中国科学院西安光学精密机械研究所 | Rotate robot scaling equipment and its calibrating method |
| CN109141468A (en) * | 2017-06-15 | 2019-01-04 | 北京航天计量测试技术研究所 | The caliberating device at spaceborne mapping system reference attitude angle in thermal vacuum environment |
| CN107806856A (en) * | 2017-09-28 | 2018-03-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of experimental detection device and method of simulated target spatial attitude |
| 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 |
| CN111076697A (en) * | 2019-12-02 | 2020-04-28 | 中国科学院西安光学精密机械研究所 | Multi-target synchronous orientation device and orientation method |
| CN112815965A (en) * | 2021-01-14 | 2021-05-18 | 交通运输部天津水运工程科学研究所 | Verticality and vertex angle measurement and calibration device and method for movable mechanical pore-forming detector |
| CN113267146A (en) * | 2021-05-12 | 2021-08-17 | 中国科学院西安光学精密机械研究所 | Method and system for calibrating parallelism of heterodromous deflection light pipe based on double-mirror splicing |
| CN113267146B (en) * | 2021-05-12 | 2022-03-22 | 中国科学院西安光学精密机械研究所 | Method and system for calibrating parallelism of heterodromous deflection light pipe based on double-mirror splicing |
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Application publication date: 20130213 |