CN104290931A - Ultraviolet fixed star and earth simulator - Google Patents
Ultraviolet fixed star and earth simulator Download PDFInfo
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- CN104290931A CN104290931A CN201410473830.6A CN201410473830A CN104290931A CN 104290931 A CN104290931 A CN 104290931A CN 201410473830 A CN201410473830 A CN 201410473830A CN 104290931 A CN104290931 A CN 104290931A
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Abstract
The invention discloses an ultraviolet fixed star and earth simulator. The ultraviolet fixed star and earth simulator comprises a fixed star simulator body and an ultraviolet earth simulator body. The fixed star simulator body is used for simulating a constellation image from infinity, and the earth simulator body is used for simulating an ultraviolet earth image from infinity. The ultraviolet fixed star and earth simulator is installed on an ultraviolet navigation sensor through a vertical type adjusting mechanism, and the constellation image and the ultraviolet earth image are overlapped and recognized by the ultraviolet navigation sensor at the same time.
Description
Technical field
The present invention relates to spacecraft ground calibration technique, particularly relate to a kind of ultraviolet fixed star earth simulator for earth.
Background technology
Traditional ultraviolet fixed star earth simulator for earth is primarily of black plate, LED, optical fiber, deuterium lamp, the composition such as filter and chopper wheel, the mounted LED lamp simulation earth in the middle of black plate, N number of loop hole simulation fixed star is opened around LED, and each loop hole assembles an optical fiber and a deuterium lamp, chopper wheel is arranged between deuterium lamp and fiber entrance, chopper wheel is established the filter of many group different-wavebands, driving chopper wheel to rotate by motor drives filter rotation to make optical fiber radiation go out the ultraviolet light of different spectral coverage, the method takes up room greatly, complicated operation, and owing to there is no optical system, the range simulation of fixed star and the earth cannot be realized.
In order to meet the infinite distance range simulation of fixed star and the earth, needing a kind of ultraviolet fixed star earth simulator for earth, the planisphere picture from infinite distance and ultraviolet earth image can be simulated easily, and simple to operate, volume is little.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, proposes that a kind of structure is simple, simulation constellation types is many, starry sky and earth simulate effect ultraviolet fixed star earth simulator for earth true to nature.
Technical solution of the present invention is: design a kind of ultraviolet fixed star earth simulator for earth, comprise fixed star simulator and ultraviolet earth simulator for earth.Fixed star simulator is used for simulating the starry sky image from infinite distance, and earth simulator for earth is used for simulating the ultraviolet earth image from infinite distance.Ultraviolet fixed star earth simulator for earth is arranged on UV navigation sensor by vertical adjusting mechanism, and planisphere picture superposes with ultraviolet earth image, simultaneously by UV navigation sensor identification.
Fixed star simulator comprises light source, filter, asterism reticle, collimating optical system and collimation lens barrel composition.The light sent by light source, the asterism reticle being positioned at collimating optical system position of focal plane is illuminated after filtration after mating plate, planisphere picture on asterism reticle is after collimating optical system, with the form outgoing of collimated light, received by UV navigation sensor, realize the constellation image simulation from infinite distance thus.
It is inner that light source, filter, asterism reticle and collimating optical system are installed in collimation lens barrel.
Fixed star simulator also comprises the vertical adjusting mechanism of fixed star simulator, for ensureing the relative positional accuracy between fixed star simulator and UV navigation sensor.
The operating wavelength range of fixed star simulator is 500nm-800nm, and star image simulation precision is better than 10 ", star chart visual field is 39 °.
Fixed star simulator according to user demand, can be changed asterism reticle, realizes the simulation of several planisphere pictures.
Ultraviolet earth simulator for earth comprises ultraviolet source, ultraviolet filter, earth reticle, ultraviolet collimating optical system and ultraviolet collimation lens barrel composition.The light sent by ultraviolet source, the earth reticle being positioned at ultraviolet collimating optical system position of focal plane is illuminated after ultraviolet filter, earth image on earth reticle is after ultraviolet collimating optical system, with the form outgoing of collimated light, received by UV navigation sensor, the earth image realized thus from infinite distance is simulated.
It is inner that ultraviolet source, ultraviolet filter, earth reticle and ultraviolet collimating optical system all install ultraviolet collimation lens barrel.
Ultraviolet earth simulator for earth also comprises the vertical adjusting mechanism of ultraviolet earth simulator for earth, for ensureing the relative positional accuracy between ultraviolet earth simulator for earth and UV navigation sensor.
The operating wavelength range of ultraviolet earth simulator for earth is 350nm-360nm, and earth angular simulation precision is better than 0.05 °, and earth visual field is 28 °.
Ultraviolet earth simulator for earth according to user demand, can be changed earth reticle, realizes simulating relative to the earth image of UV navigation sensor optical axis diverse location.
Fixed star simulator and ultraviolet earth simulator for earth are independent design, do not interfere with each other during use.
The present invention's advantage is compared with prior art: the present invention designs collimating optical system for fixed star simulator, achieves the simulation from infinite point star chart, under the prerequisite ensureing star image simulation precision, achieves range simulation; Design ultraviolet collimating optical system, for ultraviolet earth simulator for earth, achieves the simulation from infinite point earth image, under the prerequisite ensureing earth angular simulation precision, achieves range simulation; The planisphere picture of simulation and earth image are received by UV navigation sensor simultaneously, and fixed star simulator and the work of ultraviolet earth simulator for earth do not interfere with each other.
Accompanying drawing explanation
Fig. 1 is the structural representation of ultraviolet fixed star earth simulator for earth of the present invention;
Fig. 2 is the structural representation of fixed star simulator of the present invention;
Fig. 3 is the structural representation of ultraviolet earth simulator for earth of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, in accompanying drawing or specification sheets, similar or identical element all uses identical Reference numeral.
As shown in Figure 1, a kind of ultraviolet fixed star earth simulator for earth provided by the invention comprises fixed star simulator 1 and ultraviolet earth simulator for earth 2, the planisphere picture from infinite distance that fixed star simulator 1 sends is received by UV navigation sensor 5, and the earth image from infinite distance that ultraviolet earth simulator for earth 2 sends also is received by UV navigation sensor 5.
As shown in Figure 2, fixed star simulator 1 comprises light source 11, filter 12, asterism reticle 13, collimating optical system 14 and collimation lens barrel 15 etc.Light source 11 produces the adjustable light of brightness, and the range of wavelength of light source 11 is 400nm-800nm; Filter 12 is for simulating stellar spectra, and the operating wavelength range of filter 12 is 500nm-800nm; Asterism reticle 13 is for simulating planisphere picture, and according to the working parameter of collimating optical system 14, the delineation position of each asterism of accurate Calculation on asterism reticle 13, to ensure star image simulation precision; Collimating optical system 14 is for simulating the infinite distance distance of fixed star.
The principle of work of fixed star simulator 1 sends the adjustable light of brightness by light source 11, mating plate 12 after filtration, illuminate the asterism reticle 13 being carved with several transparent micropores being positioned at collimating optical system 14 position of focal plane, asterism reticle 13 is after collimating optical system 14, with the form outgoing of collimated light, form the planisphere picture from infinite point; Light source 11, filter 12, asterism reticle 13, collimating optical system 14 are installed in the inside of collimation lens barrel 15; Fixed star simulator 1 also comprises the vertical adjusting mechanism 3 of fixed star simulator, for ensureing the relative positional accuracy between fixed star simulator 1 and UV navigation sensor 5.
Collimating optical system 14 focal length of fixed star simulator 1 is 100mm, and visual field is 28 °, and the diameter of asterism reticle 13 transparent micropore is 0.01mm, and single star subtended angle is 20 ", utilize asterism position correcting method, can optical aberration be eliminated, be conducive to ensureing star image simulation precision.
As shown in Figure 3, ultraviolet earth simulator for earth 2 comprises ultraviolet source 21, ultraviolet filter 22, earth reticle 23, ultraviolet collimating optical system 24 and ultraviolet collimation lens barrel 25 etc.Ultraviolet source 21 produces the adjustable light of brightness, and the range of wavelength of ultraviolet source 21 is 350nm-400nm; Ultraviolet filter 22 is for photospheric spectrum in analog, and the operating wavelength range of ultraviolet filter 22 is 350nm-360nm; Earth reticle 23 is for simulating earth image, and according to the working parameter of ultraviolet collimating optical system 24, the delineation position of accurate Calculation earth image, to ensure earth angular simulation precision; Ultraviolet collimating optical system 24 is for simulating the infinite distance distance of the earth.
The principle of work of ultraviolet earth simulator for earth 2 sends the adjustable light of brightness by ultraviolet source 21, through ultraviolet filter 22, illuminate the earth reticle 23 being carved with earth image being positioned at ultraviolet collimating optical system 24 position of focal plane, earth reticle 23 is after ultraviolet collimating optical system 24, with the form outgoing of collimated light, form the earth image from infinite point; Ultraviolet source 21, ultraviolet filter 22, earth reticle 23, ultraviolet collimating optical system 24 are installed in the inside of ultraviolet collimation lens barrel 25; Ultraviolet earth simulator for earth 2 also comprises the vertical adjusting mechanism 4 of ultraviolet earth simulator for earth, for ensureing the relative positional accuracy between ultraviolet earth simulator for earth 2 and UV navigation sensor 5.
Ultraviolet collimating optical system 24 focal length of ultraviolet earth simulator for earth 2 is 99mm, visual field is 39 °, the earth major axis subtended angle of earth reticle 23 is 17.31 ° ± 0.05 °, earth minor axis subtended angle is 17.26 ° ± 0.05 °, delineation earth major diameter is Φ 30.42mm, and delineation earth minor axis diameter is Φ 30.33mm, utilizes position of the earth modification method, can optical aberration be eliminated, be conducive to ensureing earth angular simulation precision.
When fixed star simulator 1 and ultraviolet earth simulator for earth 2 work, non-interference, fixed star simulator 1, by the vertical adjusting mechanism 3 of fixed star simulator, ensures the relative positional accuracy between fixed star simulator 1 and UV navigation sensor 5; Ultraviolet earth simulator for earth 2, by the vertical adjusting mechanism 4 of ultraviolet earth simulator for earth, ensures the relative positional accuracy between ultraviolet earth simulator for earth 2 and UV navigation sensor 5.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a ultraviolet fixed star earth simulator for earth, is characterized in that comprising fixed star simulator and ultraviolet earth simulator for earth, it is characterized in that:
Described fixed star simulator comprises light source, filter, asterism reticle, collimating optical system and collimation lens barrel composition;
Described ultraviolet earth simulator for earth comprises ultraviolet source, ultraviolet filter, earth reticle, ultraviolet collimating optical system and ultraviolet collimation lens barrel composition.
2., according to claim 1, described fixed star simulator comprises the vertical adjusting mechanism of fixed star simulator.
3., according to claim 1, described ultraviolet earth simulator for earth comprises the vertical adjusting mechanism of ultraviolet earth simulator for earth.
4., according to claim 1, the operating wavelength range of described fixed star simulator is 500nm-800nm, and star image simulation precision is better than 10 ", star chart visual field is 39 °.
5., according to claim 1, the operating wavelength range of described ultraviolet earth simulator for earth is 350nm-360nm, and earth angular simulation precision is better than 0.05 °, and earth visual field is 28 °.
6., according to claim 1, described fixed star simulator according to user demand, can be changed asterism reticle, realizes the simulation of several planisphere pictures.
7., according to claim 1, described ultraviolet earth simulator for earth according to user demand, can be changed earth reticle, realizes the simulation of the earth image relative to UV navigation sensor optical axis diverse location.
8. the ultraviolet fixed star earth simulator for earth planisphere picture of simulating and the stackable imaging of earth image, received by UV navigation sensor.
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| CN201410473830.6A CN104290931B (en) | 2014-09-17 | 2014-09-17 | A kind of ultraviolet fixed star earth simulator for earth |
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Cited By (9)
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| CN106586041A (en) * | 2016-12-28 | 2017-04-26 | 哈尔滨工业大学 | Simulation method of Mars object for deep space exploration |
| CN108181002A (en) * | 2018-03-08 | 2018-06-19 | 长春理工大学 | Infrared target simulator target angle caliberating device and method based on thermal imaging system |
| CN108413897A (en) * | 2018-03-08 | 2018-08-17 | 长春理工大学 | A kind of the target angle caliberating device and method of infrared target simulator |
| CN108519054A (en) * | 2018-04-24 | 2018-09-11 | 长春理工大学 | The caliberating device and scaling method of arc-shaped infrared target simulator |
| CN110044381A (en) * | 2019-04-29 | 2019-07-23 | 西安中科微星光电科技有限公司 | A kind of more stars etc. and adjustable color star simulator |
| CN111060137A (en) * | 2019-12-31 | 2020-04-24 | 中国科学院长春光学精密机械与物理研究所 | Multi-star simulator |
| CN113720358A (en) * | 2021-09-16 | 2021-11-30 | 北京控制工程研究所 | Static simulator for porthole type star sensor |
| CN114633906A (en) * | 2022-04-12 | 2022-06-17 | 中国科学院光电技术研究所 | Ultraviolet dynamic earth simulator |
| WO2023124439A1 (en) * | 2021-12-27 | 2023-07-06 | 中科院南京天文仪器有限公司 | System and method for vibration suppression of star simulation system by means of laser interference detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108519054A (en) * | 2018-04-24 | 2018-09-11 | 长春理工大学 | The caliberating device and scaling method of arc-shaped infrared target simulator |
| CN108519054B (en) * | 2018-04-24 | 2019-12-17 | 长春理工大学 | calibration device and calibration method for arc-shaped infrared target simulator |
| CN110044381A (en) * | 2019-04-29 | 2019-07-23 | 西安中科微星光电科技有限公司 | A kind of more stars etc. and adjustable color star simulator |
| CN111060137A (en) * | 2019-12-31 | 2020-04-24 | 中国科学院长春光学精密机械与物理研究所 | Multi-star simulator |
| CN113720358A (en) * | 2021-09-16 | 2021-11-30 | 北京控制工程研究所 | Static simulator for porthole type star sensor |
| WO2023124439A1 (en) * | 2021-12-27 | 2023-07-06 | 中科院南京天文仪器有限公司 | System and method for vibration suppression of star simulation system by means of laser interference detection |
| CN114633906A (en) * | 2022-04-12 | 2022-06-17 | 中国科学院光电技术研究所 | Ultraviolet dynamic earth simulator |
| CN114633906B (en) * | 2022-04-12 | 2023-12-22 | 中国科学院光电技术研究所 | Ultraviolet dynamic earth simulator |
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| CN104290931B (en) | 2018-07-20 |
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Inventor after: Sun Gaofei Inventor after: Wang Wenpeng Inventor after: Liu Shi Inventor after: Zhang Jian Inventor after: Zhang Guoyu Inventor before: Sun Gaofei Inventor before: Liu Shi Inventor before: Zhang Guoyu |
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