CN105716628B - The continuously adjustable static star simulator of magnitude continuous transformation sky background - Google Patents
The continuously adjustable static star simulator of magnitude continuous transformation sky background Download PDFInfo
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- CN105716628B CN105716628B CN201610084205.1A CN201610084205A CN105716628B CN 105716628 B CN105716628 B CN 105716628B CN 201610084205 A CN201610084205 A CN 201610084205A CN 105716628 B CN105716628 B CN 105716628B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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Abstract
The invention discloses the static star simulators that a kind of magnitude continuous transformation sky background is continuously adjustable, are made of collimating optical system, Amici prism, asterism graticle, background graticle, asterism light source, background light source and ground support.Asterism graticle is located at the first focal plane of collimating optical system, background graticle is located at the second focal plane of collimating optical system,, it can be achieved that being superimposed the starry sky image of adjustable asterism magnitude under the convertible background illuminance of directional light form after the effect of Amici prism and collimating optical system.
Description
Technical field
The present invention relates to spacecraft ground test and calibration technique more particularly to a kind of static star simulators.
Background technology
Ground test and caliberating device of the star simulator as star sensor, according to the difference of star image simulation mode, are divided into
Static star simulator and Dynamic Star simulator.Static star simulator be by the use of asterism graticle as star chart display device, can root
According to the asterism position after accurate calculate, using laser writing technology, the simulation asterism that precision is better than 1 μm, cooperation collimation are depicted
Optical system is used, it can be achieved that the high-precision analog of star chart；Dynamic Star simulator be by the use of liquid crystal light valve, LCOS or DMD as
Star chart display device, according to star sensor at different moments under observation need, it can be achieved that the continuous analog of asterism position, but star chart
Simulation precision is not so good as static star simulator.
Traditional star sensor is tested for the property using static star simulator, it is desirable that static star simulator has higher
Star image simulation precision.With the raising of China's aerospace level, more and more star sensor requirement ground tests and calibration
Equipment not only has a higher star image simulation precision, and can the different magnitude of continuous analog, and can simulate under different magnitudes
Sky background.
In order to meet the requirement of star sensor, it is necessary to which a kind of static state star simulator, can easily realize that magnitude connects
Continuous conversion, and sky background can be superimposed on star chart and sky background is continuously adjustable.
The content of the invention
Patent of the present invention is in view of the problems of the existing technology, to design a kind of magnitude continuous transformation sky background and continuously may be used
The static star simulator of tune.The defects of star chart can not be superimposed backgrounds simulation information is only capable of for existing star simulator, proposes to utilize
Amici prism as bundling device, cooperation collimating optical system, asterism graticle, background graticle, asterism light source, background light source and
Ground support, builds the static star simulator that achievable continuous magnitude is adjusted and continuous background is adjusted, and magnitude degree of regulation is better than
± 0.3Mv, background degree of regulation are better than 0.1W/ ㎡.
Technical solution is used by the present invention solves prior art problem：Design a kind of magnitude continuous transformation sky background
Continuously adjustable static star simulator, by the collimating optical system, the Amici prism, the asterism graticle, the back of the body
Scape graticle, the asterism light source, the background light source and ground support composition.
The collimating optical system, the Amici prism, the asterism graticle, the background graticle, the asterism
Light source and the background light source are placed on the ground support, behind the collimating optical system, set the light splitting rib
Mirror, the Amici prism have light splitting surface, and the optical axis of the light splitting surface and collimating optical system is in 45 ° of angles, the light splitting rib
The center of mirror and the optical axis coincidence of the collimating optical system；Under the action of the Amici prism, the collimating optics
System has the first focal plane and the second focal plane mutually in 90 °；First focal plane is located at after the Amici prism, with the standard
The optical axis of straight optical system is in same level light path, and the asterism graticle is placed at first focal plane, the star
Point light source is placed in after the asterism graticle, for lighting the asterism graticle；Second focal plane is located at the light splitting
Under prism, in the light path vertical with the optical axis of the collimating optical system, the background graticle is placed in described
At two focal planes, the background light source is placed in after the background graticle, for lighting the background graticle.
In use, the continuously adjustable static star simulator of the magnitude continuous transformation sky background is placed in the ground branch
On frame.The asterism light source is lighted first, and the asterism light source provides illumination, the asterism graticle for the asterism graticle
First focal plane of the collimating optical system is placed in, after the transmission effect of the Amici prism, into the collimation
Optical system, and with parallel light emergence；Then the background light source is lighted, the background light source provides for the background graticle
Illumination, the background graticle is placed in second focal plane of the collimating optical system, by the reflection of the Amici prism
After effect, into the collimating optical system, and with parallel light emergence；Finally, in the exit end of the collimating optical system,
Starry sky image with background of the asterism graticle picture with the picture that is superimposed, i.e. directional light form of background graticle picture can be received.
Wherein, the Amici prism realizes asterism and the stacking image of background, and the asterism light source is adjusted by self brightness and realized
The simulations of different magnitudes, the background light source realize the simulation of different background by self brightness adjusting.
In conclusion a kind of continuously adjustable static star simulator of magnitude continuous transformation sky background of the present invention is mainly by institute
State collimating optical system, the Amici prism, the asterism graticle, the background graticle, the asterism light source, the back of the body
Scape light source and ground support composition.A kind of continuously adjustable static star simulator of magnitude continuous transformation sky background of the present invention
It forms simple, compact-sized, realizes star image simulation continuously adjustable with sky background and that asterism magnitude is continuously adjustable.
Description of the drawings
Fig. 1 is a kind of continuously adjustable static star simulator of magnitude continuous transformation sky background provided in an embodiment of the present invention
The Nomenclature Composition and Structure of Complexes schematic diagram；
Reference numeral：1 --- collimating optical system；2 --- Amici prism；3 --- asterism graticle；24 --- asterism light
Source；5 --- background graticle；6 --- background light source；7 --- ground support.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical solution in the embodiment of the present invention is clearly and completely described.It should be noted that in attached drawing or specification,
Similar or identical element all uses identical reference numeral.
Fig. 1 is a kind of continuously adjustable static star simulator of magnitude continuous transformation sky background provided in an embodiment of the present invention
The Nomenclature Composition and Structure of Complexes schematic diagram, as shown in Figure 1, the continuously adjustable static star simulator of the magnitude continuous transformation sky background includes
Collimating optical system 1, Amici prism 2, asterism graticle 3, background graticle 5, asterism light source 4, background light source 6 and ground support
7, collimating optical system 1, Amici prism 2 and asterism graticle 3 are successively set on the optical axis of same level light path, asterism light source
The 4 illumination bright star point graticles 3 sent, after Amici prism 2 and collimating optical system 1, with parallel light emergence；Background graduation
Plate 5 is arranged on optical axis in the bright background graticle 5 of illumination that in 90 ° of light path, background light source 6 is sent, by 2 He of Amici prism
After collimating optical system 1, with parallel light emergence；Wherein, the effect of Amici prism 2 is by the picture of asterism graticle 3 and background point
The picture for drawing plate 5 carries out conjunction Shu Zuoyong, thus in the exit facet of collimating optical system 1, simulates the star that a width comes from " infinity "
Etc. can continuous transformation sky background continuously controllable star chart.Ground support 7 is used to support magnitude continuous transformation sky background company
Continuous adjustable static star simulator.
In use, the continuously adjustable static star simulator of magnitude continuous transformation sky background is placed on ground support 7.It is first
Asterism light source 4 is first lighted, asterism light source 4 provides illumination for asterism graticle 3, and asterism graticle 3 is placed in collimating optical system 1
First focal plane, after the transmission effect of Amici prism 2, into collimating optical system 1, and with parallel light emergence；Then light
Background light source 6, background light source 6 provide illumination for background graticle 5, and background graticle 5 is placed in the second coke of collimating optical system 1
Face, after the reflex of Amici prism 2, into collimating optical system 1, and with parallel light emergence；Finally, in collimated light
The exit end of system 1 can receive asterism graticle 3 as the tool for being superimposed picture, i.e. directional light form with 5 picture of background graticle
The starry sky image having powerful connections.Wherein, Amici prism 2 realizes asterism and the stacking image of background, and asterism light source 4 is bright by itself
Degree adjusts the simulation for realizing different magnitudes, and background light source 6 realizes the simulation of different background by self brightness adjusting.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment or carry out equivalent substitution to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of various embodiments of the present invention technical solution
It encloses.
Claims (1)
1. the continuously adjustable static star simulator of a kind of magnitude continuous transformation sky background, which is characterized in that including collimating optics
System, Amici prism, asterism graticle, background graticle, asterism light source, background light source and ground support；
The collimating optical system, the Amici prism, the asterism graticle, the background graticle, the asterism light source
It is placed in the background light source on the ground support；
Behind the collimating optical system, the Amici prism is set, the Amici prism has light splitting surface, the light splitting surface
Optical axis with the collimating optical system is in 45 ° of angles, and the center of the Amici prism is described with the collimating optical system
Optical axis coincidence；
Under the action of the Amici prism, the collimating optical system has the first focal plane and the second coke of mutual angle in 90 °
Face；
First focal plane is located at after the Amici prism, with optical axis described in the collimating optical system in same level light path
On, the asterism graticle is placed at first focal plane, and the asterism light source is placed in after the asterism graticle；
Second focal plane is located under the Amici prism, in the light path vertical with the optical axis of the collimating optical system
On, the background graticle is placed at second focal plane, and the background light source is placed in after the background graticle；
In use, lighting the asterism light source first, the asterism light source provides illumination, the asterism for the asterism graticle
Graticle is placed in first focal plane of the collimating optical system, after the transmission effect of the Amici prism, into institute
Collimating optical system is stated, and with parallel light emergence；Then the background light source is lighted, the background light source is the background graduation
Plate provides illumination, and the background graticle is placed in second focal plane of the collimating optical system, by the Amici prism
Reflex after, into the collimating optical system, and with parallel light emergence；Finally, in the collimating optical system
Exit end can receive star with background of the asterism graticle picture with the picture that is superimposed, i.e. directional light form of background graticle picture
Null images；Wherein, the Amici prism realizes asterism and the stacking image of background, and the asterism light source passes through self brightness
Adjusting realizes the simulation of different magnitudes, and magnitude degree of regulation is better than ± 0.3Mv, and the background light source is adjusted by self brightness
The simulation of different background is realized, background degree of regulation is better than 0 .1W/ ㎡.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768858B (en) * | 2016-12-07 | 2019-01-18 | 长春理工大学 | A kind of continuously adjustable asterism continuous variable formula star chart generating device of background |
| CN110806732A (en) * | 2019-10-23 | 2020-02-18 | 曲松 | Intelligent environment change simulation system |
| CN113720358A (en) * | 2021-09-16 | 2021-11-30 | 北京控制工程研究所 | Static simulator for porthole type star sensor |
Citations (4)
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|---|---|---|---|---|
| CN102116642A (en) * | 2009-12-31 | 2011-07-06 | 北京控制工程研究所 | Simulator of star sensor |
| CN102927996A (en) * | 2012-10-24 | 2013-02-13 | 北京控制工程研究所 | High-precision dynamic imaging simulator for space target |
| CN103364011A (en) * | 2013-07-11 | 2013-10-23 | 中国科学院西安光学精密机械研究所 | Multi-target scenery simulation system with super-large field of view |
| CN104457785A (en) * | 2014-07-30 | 2015-03-25 | 长春理工大学 | Dynamic LCOS (liquid crystal on silicon) spliced-type star simulator and ground calibrating device of star sensor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116642A (en) * | 2009-12-31 | 2011-07-06 | 北京控制工程研究所 | Simulator of star sensor |
| CN102927996A (en) * | 2012-10-24 | 2013-02-13 | 北京控制工程研究所 | High-precision dynamic imaging simulator for space target |
| CN103364011A (en) * | 2013-07-11 | 2013-10-23 | 中国科学院西安光学精密机械研究所 | Multi-target scenery simulation system with super-large field of view |
| CN104457785A (en) * | 2014-07-30 | 2015-03-25 | 长春理工大学 | Dynamic LCOS (liquid crystal on silicon) spliced-type star simulator and ground calibrating device of star sensor |
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Inventor after: Sun Gaofei Inventor after: Chen Qimeng Inventor after: Liu Shi Inventor after: Zhang Guoyu Inventor after: Zhang Jian Inventor after: He Yang Inventor after: Wang Lingyun Inventor after: Zheng Ru Inventor after: Su Shi Inventor after: Wang Haojun Inventor before: Sun Gaofei Inventor before: Zhang Guoyu Inventor before: Liu Shi Inventor before: Wang Lingyun Inventor before: Su Shi Inventor before: Zheng Ru Inventor before: Wang Haojun Inventor before: Chen Qimeng Inventor before: He Yang |
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