CN107314754A - A kind of azimuth transmission method and device - Google Patents
A kind of azimuth transmission method and device Download PDFInfo
- Publication number
- CN107314754A CN107314754A CN201710438488.XA CN201710438488A CN107314754A CN 107314754 A CN107314754 A CN 107314754A CN 201710438488 A CN201710438488 A CN 201710438488A CN 107314754 A CN107314754 A CN 107314754A
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- Prior art keywords
- prism
- orientation
- auto
- collimation
- azimuth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
Abstract
The invention discloses a kind of azimuth transfer device based on Auto-collimation angular measurement, including luminous source system, signal optical receiver system and auto-collimation sharing system；Luminous source system is approximate spot light, at the prime focus of auto-collimation sharing system；Luminous source system emergent light, handles obtained autocollimator beam through auto-collimation sharing system, is divided into transmitted light and reflected light；Reflected light vertical irradiation reflexes to auto-collimation sharing system in tested first orientation right-angle prism through first orientation right-angle prism, is finally received by signal optical receiver system；Transmitted light vertical irradiation reflexes to auto-collimation sharing system in tested second orientation right-angle prism through second orientation right-angle prism, is finally received by signal optical receiver system.The present invention can effectively solve the problem of operator in the transmittance process of azimuth observes auto-collimation result fatiguability, artificial subjective error is larger, while improving operating efficiency, facilitate the inquiry of historical data and printout.
Description
Technical field
The invention belongs to optical precision test and measuring technical field, and in particular to a kind of azimuth based on Auto-collimation angular measurement
Transmission method and device.
Background technology
In optical precision test and measuring technical field, it usually needs the azimuth of a right-angle prism is passed in space
Another azimuth is therewith on substantially vertical right-angle prism.In the detecting instrument of prior art, auto-collimation is typically utilized
Theodolite carries out azimuthal transmission, and its main test process is：Autocollimation theodolite is set up, it is carried out with being needed in space
Two right-angle prisms of azimuth transmission can carry out auto-collimation respectively, when autocollimation theodolite and the progress of one of right-angle prism
After auto-collimation, by theodolite zero setting, then autocollimation theodolite is horizontally rotated, it is subjected to auto-collimation with another right-angle prism,
The horizontal rotation angle in autocollimation theodolite is read, that is, obtains the azimuth transitive relation of the two right-angle prisms.
There is the deficiency of three aspects in the above-mentioned method that azimuth transmission is carried out with autocollimation theodolite：One is auto-collimation warp
The erection of latitude instrument needs by virtue of experience, in operating process to need the position of constantly adjustment autocollimation theodolite, can just make itself and space
Middle two right-angle prisms for needing to carry out azimuth transmission carry out auto-collimation respectively, and process wastes time and energy, and inefficiency is unfavorable for
The batch operation of product；Two be human eye because the lens barrel of multipass autocollimation theodolite observes auto-collimation result, easily produces and regards
Feel fatigue, and human eye error is larger during auto-collimation, there is certain randomness, influences the authenticity and confidence level of result；
Three be that the data measured hand-written can only be recorded, and result data preserves history and reviews inconvenience.
The content of the invention
For drawbacks described above present in prior art, it is an object of the present invention to provide it is a kind of it is easy to operate, quick,
Intuitively, accurate azimuth transmission method and device.
The present invention provides a kind of azimuth transfer device based on Auto-collimation angular measurement, including luminous source system, flashlight
Reception system, auto-collimation sharing system.
Above-mentioned luminous source system is approximate spot light, at the prime focus of auto-collimation sharing system.Lighting source system
System emergent light, obtained autocollimator beam is handled through auto-collimation sharing system, and through the Dichroic Optical in auto-collimation sharing system
Element is divided into transmitted light and reflected light.Reflected light vertical irradiation is in first orientation right-angle prism, and through first orientation right-angled edge
Mirror reflexes to auto-collimation sharing system, is finally received by signal optical receiver system；Transmitted light vertical irradiation is at second orientation right angle
Prism, and auto-collimation sharing system is reflexed to through second orientation right-angle prism, finally received by signal optical receiver system.
Above-mentioned auto-collimation sharing system include narrow band filter slice, the first telephotolens, Amici prism, first focusing object lens,
Second telephotolens, the first automatically controlled diaphragm, the second focusing object lens, the 3rd telephotolens, the second automatically controlled diaphragm.Luminous source system
Emergent light passes through narrow band filter slice and the first telephotolens, is incident to Amici prism.Illumination incident light beam reflects through Amici prism
Afterwards, by the first focusing object lens, the second telephotolens and the first automatically controlled diaphragm, it is radiated at tested first orientation right-angle prism
On, first orientation right-angle prism by incident beam reflect and pass sequentially through the first automatically controlled diaphragm, the second telephotolens, first focusing
Object lens and Amici prism, are received by signal optical receiver system.After illumination incident light beam is transmitted through Amici prism, pass through the second focusing
Object lens, the 3rd telephotolens and the second automatically controlled diaphragm, are radiated on tested second orientation right-angle prism, second orientation right-angled edge
Mirror by incident beam reflect and pass sequentially through the second automatically controlled diaphragm, the 3rd telephotolens, the second focusing object lens and Amici prism, by
Signal optical receiver system is received.
Above-mentioned Amici prism is coated with special semi-transparent semi-reflecting film, all directions incident beam can be divided into transmitted light beam and reflection
Light beam.
Above-mentioned signal optical receiver system includes receiving object lens and ccd array；Ccd array connects with data processing and display system
Connect.
The azimuth determination of above-mentioned two orientation right-angle prism is controlled by the automatically controlled diaphragm of two synchronizations, when measuring one of them
During azimuth, the diaphragm of the optical axis direction is opened, and another diaphragm is closed.In order to improve the precision of angle measurement, using timesharing angle measurement
Mode, by the open and close of Millisecond two diaphragms of synchronous Electronic control, can be achieved approximate angle measurement simultaneously.
One kind realizes two azimuthal vertical transmissions based on azimuth transfer device as described above.Methods described includes
Following steps：
1) by light source control point bright light source, its outgoing beam turns into autocollimatic direct light after the processing of auto-collimation sharing system
Beam；
2) by synchronous Electronic control, the automatically controlled diaphragm on first orientation optical path prism is opened, and simultaneously close off second party
Automatically controlled diaphragm on the optical path prism of position；
3) step 1) in straight collimated light beam first orientation prism is incident to after Amici prism reflects, then pass through first
Azimuth prism reflexes to auto-collimation sharing system；
4) first orientation prism will be carried after its azimuth information the reflected beams is transmitted through Amici prism by signal light-receiving
System is received, and obtains the azimuth information of first orientation prism；Ccd array in signal optical receiver system is by first orientation prism
Azimuth information transmit to data processing and display system；
5) by synchronous Electronic control, the automatically controlled diaphragm on second orientation optical path prism is opened, and simultaneously close off first party
Automatically controlled diaphragm on the optical path prism of position；
6) step 1) in straight collimated light beam second orientation prism is incident to after Amici prism reflects, then pass through second
Azimuth prism reflexes to auto-collimation sharing system；
7) second orientation prism will be carried after its azimuth information the reflected beams is transmitted through Amici prism by signal light-receiving
System is received, and obtains the azimuth information of second orientation prism；Ccd array in signal optical receiver system is by second orientation prism
Azimuth information transmit to data processing and display system；
8) data processing and display system is carried out to the azimuth information of first orientation prism and second orientation prism respectively
Processing, obtains the azimuth angle alpha of first orientation prism1And the azimuth angle alpha of second orientation prism2, by contrasting azimuth angle alpha1With
α2, it is possible to obtain the azimuth transitive relation of first orientation prism and second orientation prism.
The invention provides a kind of azimuth transmission method and device based on Auto-collimation angular measurement, can effectively it solve in orientation
The problem of operator observes auto-collimation result fatiguability in the transmittance process of angle, artificial subjective error is larger, while improving work effect
Rate, facilitates the inquiry of historical data and printout.
Brief description of the drawings
Fig. 1 a are the measuring principle figures of CCD self-collimation angle measuring systems (speculum is vertical with primary optical axis)；
Fig. 1 b are the measuring principle figures (speculum and primary optical axis rotation alpha angle) of CCD self-collimation angle measuring systems；
Fig. 2 is the principle schematic for the azimuth transfer device that the present invention is provided；
Fig. 3 is the optical system sketch for the azimuth transfer device that the present invention is provided；
In figure：
1- luminous source systems；2- signal optical receiver systems；210-CCD arrays；220- receives object lens；3- auto-collimations are shared
System；310- narrow band filter slices；The telephotolens of 320- first；330- Amici prisms；The focusing object lens of 340- first；350- second is hoped
Remote object lens；The automatically controlled diaphragms of 360- first；The focusing object lens of 370- second；The telephotolens of 380- the 3rd；The automatically controlled diaphragms of 390- second；4-
First orientation right-angle prism；5- second orientation right-angle prisms.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Fig. 1 a and Fig. 1 b are that light source O is sent at the detection principle diagram of CCD auto-collimation systems, CCD auto-collimation system prime focus
Light a branch of directional light is formed after object lens are reflected, if speculum it is vertical with the primary optical axis of CCD auto-collimation systems (referring to
Fig. 1 a), then autocollimator beam backtracking；, then can be when speculum is around the of different sizes of auto-collimation system primary optical axis rotation alpha angle
Diverse location on CCD produces image, by between picture position O resulting on CCD before the position O ' of now image and rotation
Displacement be set to x, then it can be seen from trigonometric function principle：
X=f × tan2 α
Generally, α angles very little, can be approximately by above-mentioned relationship：x≈2f×α.So as to α ≈ x/2f=
A is the size of CCD pixels in Na/2f, formula, and N is the pixel number that deviation is covered, and f is the focal length of CCD auto-collimation systems.Therefore pass through
The change of CCD measurement images can obtain the deflection angle α of tested speculum.
The present invention exactly provides a kind of orientation based on Auto-collimation angular measurement according to above-mentioned CCD auto-collimations system detectio principle
Angle transfer device.
As shown in Fig. 2 the azimuth transfer device that the present invention is provided, it includes luminous source system 1, signal light-receiving system
System 2, auto-collimation sharing system 3, first orientation right-angle prism 4, second orientation right-angle prism 5.
The luminous source system 1 that the present invention is provided is approximate spot light, at the prime focus of auto-collimation sharing system 3.
The emergent light of luminous source system 1, obtained autocollimator beam is handled through auto-collimation sharing system 3, and through auto-collimation sharing system 3
In Dichroic Optical Elements be divided into transmitted light and reflected light.Reflected light vertical irradiation is in first orientation right-angle prism 4, and through
One orientation right-angle prism 4 reflexes to auto-collimation sharing system 3, is finally received by signal optical receiver system 2；Transmitted light vertical irradiation
Auto-collimation sharing system 3 is reflexed in second orientation right-angle prism 5, and through second orientation right-angle prism 5, is finally connect by flashlight
Receipts system 2 is received.
As shown in figure 3, the signal optical receiver system 2 of the present invention includes ccd array 210 and receives object lens 220.Ccd array
210 are connected with data processing and display system, processing in real time and calculating first orientation right-angle prism 4 and second orientation right-angle prism
Azimuth angle value between 5.
As shown in figure 3, the auto-collimation sharing system 3 of the present invention includes narrow band filter slice 310, the first telephotolens 320, divided
The focusing of light prism 330, first object lens 340, the second telephotolens 350, the first automatically controlled focusing of diaphragm 360, second object lens 370, the
Three telephotolens 380, the second automatically controlled diaphragm 390.
As shown in figure 3, the emergent light of luminous source system 1 passes through the telephotolens 320 of narrow band filter slice 310 and first, it is incident
To Amici prism 330.After illumination incident light beam reflects through Amici prism 330, looked in the distance thing by the first focusing object lens 340, second
The automatically controlled diaphragm 360 of mirror 350 and first, is radiated on tested first orientation right-angle prism 4, first orientation right-angle prism 4 will enter
Irradiating light beam reflects and passes sequentially through the first automatically controlled diaphragm 360, the second telephotolens 350, first focusing object lens 340 and Amici prism
330, received by signal optical receiver system 2.After illumination incident light beam is transmitted through Amici prism 330, pass through the second focusing object lens
370th, the 3rd telephotolens 380 and the second automatically controlled diaphragm 390, are radiated on tested second orientation right-angle prism 5, second orientation
Right-angle prism 5 by incident beam reflect and pass sequentially through the second automatically controlled diaphragm 390, the 3rd telephotolens 380, second focus object lens
370 and Amici prism 330, received by signal optical receiver system 2.
The Amici prism 330 of the present invention is coated with special semi-transparent semi-reflecting film, all directions incident beam can be divided into transmitted light
Beam and the reflected beams.
Luminous source system 1, the first telephotolens 320, first focusing object lens 340, the second telephotolens 350 of the present invention
Axle center with signal optical receiver system 2 constitutes the auto-collimation angular surveying of first orientation right-angle prism 4 on same optical axis
System；Luminous source system 1, the first telephotolens 320, second focusing object lens 370, the 3rd telephotolens 380 and flashlight connect
The axle center of receipts system 2 constitutes the auto-collimation angle measurement system of second orientation right-angle prism 5 on same optical axis.
The first automatically controlled diaphragm 390 of automatically controlled diaphragm 360 and second of the present invention is by its open and close of synchronous Electronic control.In order to carry
The precision of high angle measurement, the device uses timesharing angle measurement mode, by the open and close of synchronous two diaphragms of Electronic control, due to
Its switching time is Millisecond, is similar to angle measurement simultaneously.
The effect of the first focusing focusing object lens 370 of object lens 340 and second of the present invention is regulation auto-collimation angular surveying system
The focal length of system, makes its control within the specific limits, it is to avoid cause the volume of device to become big because focal length is excessive.
For two substantially vertical orientation right-angle prisms, the azimuth transfer device can be by calculating two orientation
The relation of physical presence between angle, measured actual value is compared with theoretical value, draws institute between actual value and theoretical value
The error of presence, then can be analyzed and be corrected to the angle.The process of implementing is to use the azimuth transfer device pair
Azimuth is measured, and measured result is received by ccd array and is sent to data processing and display system, then by soft
Part realizes the processing to data, calculates measured azimuthal angle value.
The present invention can realize azimuthal vertical transmission, and this method can make equipment of two, the space without mechanical connection real
Existing azimuthal transmission, such as spacecraft launching site, inertial navigation system are aimed at.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (5)
1. a kind of azimuth transfer device based on Auto-collimation angular measurement, it is characterised in that connect including luminous source system, flashlight
Receipts system and auto-collimation sharing system；
Luminous source system is approximate spot light, at the prime focus of auto-collimation sharing system；Luminous source system emergent light,
Obtained autocollimator beam is handled through auto-collimation sharing system, and is divided into through the Dichroic Optical Elements in auto-collimation sharing system
Penetrate light and reflected light；Reflected light vertical irradiation is and anti-through first orientation right-angle prism in tested first orientation right-angle prism
Auto-collimation sharing system is incident upon, is finally received by signal optical receiver system；Transmitted light vertical irradiation is straight in tested second orientation
Angle prism, and auto-collimation sharing system is reflexed to through second orientation right-angle prism, finally received by signal optical receiver system.
2. the azimuth transfer device according to claim 1 based on Auto-collimation angular measurement, it is characterised in that the auto-collimation
Sharing system includes narrow band filter slice, the first telephotolens, Amici prism, the first focusing object lens, the second telephotolens, the first electricity
Control diaphragm, the second focusing object lens, the 3rd telephotolens, the second automatically controlled diaphragm；
Luminous source system emergent light passes sequentially through narrow band filter slice and the first telephotolens, is incident to Amici prism；Illuminate into
After irradiating light beam reflects through Amici prism, the first focusing object lens, the second telephotolens and the first automatically controlled diaphragm are passed sequentially through, is radiated at
On tested first orientation right-angle prism, incident beam is reflected and passes sequentially through the first automatically controlled light by first orientation right-angle prism
Door screen, the second telephotolens, the first focusing object lens and Amici prism, are received by signal optical receiver system；Illumination incident light beam is through dividing
After light prism transmission, by the second focusing object lens, the 3rd telephotolens and the second automatically controlled diaphragm, tested second orientation is radiated at
On right-angle prism, second orientation right-angle prism by incident beam reflect and pass sequentially through the second automatically controlled diaphragm, the 3rd telephotolens,
Second focusing object lens and Amici prism, are received by signal optical receiver system.
3. the azimuth transfer device according to claim 2 based on Auto-collimation angular measurement, it is characterised in that the light splitting rib
Mirror is coated with special semi-transparent semi-reflecting film, all directions incident beam can be divided into transmitted light beam and the reflected beams.
4. the azimuth transfer device based on Auto-collimation angular measurement according to claim 1 or 2 or 3, it is characterised in that described
Signal optical receiver system includes receiving object lens and ccd array, and ccd array shows that system is connected with data processing.
5. a kind of azimuth transfer device based on described in claim 1-4 people's wills one realizes two azimuthal transmission sides
Method, it is characterised in that the described method comprises the following steps：
1) by light source control point bright light source, its outgoing beam turns into autocollimator beam after the processing of auto-collimation sharing system；
2) by synchronous Electronic control, the automatically controlled diaphragm on first orientation optical path prism is opened, and simultaneously close off second orientation rib
Automatically controlled diaphragm in mirror light path；
3) step 1) in straight collimated light beam first orientation prism is incident to after Amici prism reflects, then pass through first orientation
Prismatic reflection is to auto-collimation sharing system；
4) first orientation prism will be carried after its azimuth information the reflected beams is transmitted through Amici prism by signal optical receiver system
Receive, obtain the azimuth information of first orientation prism；By the azimuth information of first orientation prism in signal optical receiver system
Transmit to data processing and display system；
5) by synchronous Electronic control, the automatically controlled diaphragm on second orientation optical path prism is opened, and simultaneously close off first orientation rib
Automatically controlled diaphragm in mirror light path；
6) step 1) in straight collimated light beam second orientation prism is incident to after Amici prism reflects, then pass through second orientation
Prismatic reflection is to auto-collimation sharing system；
7) second orientation prism will be carried after its azimuth information the reflected beams is transmitted through Amici prism by signal optical receiver system
Receive, obtain the azimuth information of second orientation prism；By the azimuth information of second orientation prism in signal optical receiver system
Transmit to data processing and display system；
8) data processing and display system is handled the azimuth information of first orientation prism and second orientation prism respectively,
Obtain the azimuth angle alpha of first orientation prism1And the azimuth angle alpha of second orientation prism2, by contrasting azimuth angle alpha1And α2, obtain
The azimuth transitive relation of first orientation prism and second orientation prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438488.XA CN107314754A (en) | 2017-06-12 | 2017-06-12 | A kind of azimuth transmission method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710438488.XA CN107314754A (en) | 2017-06-12 | 2017-06-12 | A kind of azimuth transmission method and device |
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| CN107314754A true CN107314754A (en) | 2017-11-03 |
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| CN201710438488.XA Pending CN107314754A (en) | 2017-06-12 | 2017-06-12 | A kind of azimuth transmission method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109164A (en) * | 2019-04-24 | 2019-08-09 | 湖北三江航天万峰科技发展有限公司 | Vehicle-mounted azimuth Transfer Alignment apparatus and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344713A (en) * | 2008-08-15 | 2009-01-14 | 浙江大学 | Two-sided display screen and its three-dimensional display apparatus |
| CN104748720A (en) * | 2015-03-27 | 2015-07-01 | 中国科学院西安光学精密机械研究所 | Space angle measuring device and space angle measuring method |
-
2017
- 2017-06-12 CN CN201710438488.XA patent/CN107314754A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344713A (en) * | 2008-08-15 | 2009-01-14 | 浙江大学 | Two-sided display screen and its three-dimensional display apparatus |
| CN104748720A (en) * | 2015-03-27 | 2015-07-01 | 中国科学院西安光学精密机械研究所 | Space angle measuring device and space angle measuring method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109164A (en) * | 2019-04-24 | 2019-08-09 | 湖北三江航天万峰科技发展有限公司 | Vehicle-mounted azimuth Transfer Alignment apparatus and method |
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