CN110501030A - A kind of double star simulator - Google Patents
A kind of double star simulator Download PDFInfo
- Publication number
- CN110501030A CN110501030A CN201910944646.8A CN201910944646A CN110501030A CN 110501030 A CN110501030 A CN 110501030A CN 201910944646 A CN201910944646 A CN 201910944646A CN 110501030 A CN110501030 A CN 110501030A
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- China
- Prior art keywords
- magnitude
- regulating mechanism
- luminous flux
- adjustment portion
- asterism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The present invention discloses a kind of double star simulator, including asterism target and asterism target is connected respectively the first magnitude regulating mechanism and the second magnitude regulating mechanism, the first magnitude regulating mechanism includes first light source adjustment portion, the first Attenuation adjustable portion and the first luminous flux adjustment portion.Weaken the light illumination for the first light source adjustment portion being attached thereto first with the first Attenuation adjustable portion, coarse adjustment magnitude recycles the first luminous flux adjustment portion to adjust the light luminous flux that the first Attenuation adjustable portion is issued, accurate adjustment magnitude.The adjusting of magnitude needs successively to be adjusted twice according to the first Attenuation adjustable portion and the first luminous flux adjustment portion, and the degree of regulation of magnitude is higher.The setting of first Attenuation adjustable portion can be avoided frequently dismounting attenuator, operate more convenient.The magnitude of first magnitude regulating mechanism and the second magnitude regulating mechanism adjustment process is identical, adjusts difficulty and decreases, more convenient operation.Therefore, double star simulator operation provided by the present invention is more convenient, adjustable range is relatively wide and magnitude degree of regulation is higher.
Description
Technical field
The present invention relates to star simulator field, in particular to a kind of double star simulator.
Background technique
In recent years, with the fast development of space science technology, the spacecrafts such as satellite, manned spaceship need higher control
Precision, reliability, the star sensor as navigation device have obtained large-scale use, and the quality of star sensor directly determines each
Class spacecraft becomes the levels of precision of rail, so that the calibration and test of precision of star sensor become most important.Double star star simulator
It is one of main ground checkout equipment of star sensor, using the principle that double star angular distance is constant, dynamic measuring angle is carried out to star sensor
Precision and dynamic sensitivity index are tested.
Existing double star simulator is usually formed by one group of light source, one group of attenuator and collimation lens barrel simple combination, and one group
Attenuator is connected between one group of light source and an asterism hole for collimating lens barrel, and attenuator weakens light illumination, to realize star
Deng adjusting.There are many defects for existing double star simulator, first is that, it needs frequently to dismount attenuator during adjusting magnitude,
Operating process is cumbersome；Second is that double star can not adjust separately, cause the adjustable range of magnitude limited；Third is that only rely on attenuator into
Planet etc. is adjusted, and causes the degree of regulation of magnitude relatively poor.
It is ability in view of this, how to optimize the structure of double star simulator to eliminate defect and deficiency in the prior art
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
In view of this, can successively utilize the first Attenuation adjustable the purpose of the present invention is to provide a kind of double star simulator
Portion and the first luminous flux adjustment portion successively adjust magnitude twice, and can be avoided frequently dismounting attenuator, operate more convenient, adjusting
Range is relatively wide and magnitude degree of regulation is higher.
Its concrete scheme is as follows:
The present invention provides a kind of double star simulator, including the asterism target with the first asterism hole and the second asterism hole and divides
First magnitude adjusting machine not identical as the corresponding connected and structure in the first asterism hole and the second asterism hole, for separately adjustable magnitude
Structure and the second magnitude regulating mechanism, the first magnitude regulating mechanism include:
First light source adjustment portion；
It is connected and is used to weaken the first of the light illumination issued by first light source adjustment portion with first light source adjustment portion
Attenuation adjustable portion；
It is connected and is used to adjust the of the light luminous flux issued by the first Attenuation adjustable portion with the first Attenuation adjustable portion
One luminous flux adjustment portion.
Preferably, the first magnitude regulating mechanism further include set on the first Attenuation adjustable portion and the first luminous flux adjustment portion it
Between, the light for issuing the first Attenuation adjustable portion uniformly inject the first main integrating sphere of the first luminous flux adjustment portion.
Preferably, the first magnitude regulating mechanism further includes being set between the first asterism hole and the first luminous flux adjustment portion, using
First auxiliary integrating sphere in the first asterism hole is uniformly injected in the light for issuing the first luminous flux adjustment portion.
It preferably, further include the collimation lens barrel for the light ray parallel injection for being connected with asterism target and being used to will inject into.
Preferably, the first Attenuation adjustable portion includes several attenuators and for switching to and first light source any attenuator
The attenuator changeover module of alignment.
Preferably, the first luminous flux adjustment portion is specially rectangular diaphragm, the entrance of rectangular diaphragm and the first main integrating sphere
Outlet is connected, and the outlet of rectangular diaphragm is connected with the entrance of the first auxiliary integrating sphere.
Preferably, the first magnitude regulating mechanism further includes be connected between the first auxiliary integrating sphere and the first asterism hole
One connection optical fiber.
With respect to the background art, double star simulator provided by the present invention, including asterism target and difference asterism target phase
The first magnitude regulating mechanism and the second magnitude regulating mechanism even, the first magnitude regulating mechanism include first light source adjustment portion, the
One Attenuation adjustable portion and the first luminous flux adjustment portion.
When adjusting magnitude, shone first with the light that the first Attenuation adjustable portion weakens the first light source adjustment portion being attached thereto
Degree realizes coarse adjustment magnitude, and the first luminous flux adjustment portion is then recycled to continue to adjust the light that the first Attenuation adjustable portion is issued
Luminous flux, to realize accurate adjustment magnitude.It is apparent that the adjusting of magnitude needs to adjust according to the first Attenuation adjustable portion and the first luminous flux
Portion is successively adjusted twice, and the degree of regulation of magnitude is promoted naturally.
The the first magnitude regulating mechanism and the second magnitude regulating mechanism being independently arranged can be realized double star magnitude and realize individually
It adjusts, is conducive to increase magnitude adjustable range, also helps promotion degree of regulation.
It is identical in view of the structure of the first magnitude regulating mechanism and the second magnitude regulating mechanism, the star of the second magnitude regulating mechanism
Etc. adjustment processes it is identical with the first magnitude regulating mechanism, details are not described herein.
Further, the setting of the first Attenuation adjustable portion can be avoided frequently dismounting attenuator, and labor intensity is small, operation side
Just.Further, the magnitude of the first magnitude regulating mechanism and the second magnitude regulating mechanism adjustment process is identical, adjusts difficulty certainly
So decrease, more convenient operation.
Therefore, double star simulator provided by the present invention operation is more convenient, adjustable range is relatively wide and magnitude degree of regulation compared with
It is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure diagram of the provided double star simulator of specific embodiment of the present invention；
Fig. 2 is the structure diagram of asterism target in Fig. 1.
Appended drawing reference is as follows:
Asterism target 1, the first magnitude regulating mechanism 21, the second magnitude regulating mechanism 22 and collimation lens barrel 3；
First asterism hole 11 and the second asterism hole 12；
First light source adjustment portion 211, the first Attenuation adjustable portion 212, the first luminous flux adjustment portion 213, the first main integrating sphere
214, the first auxiliary integrating sphere 215 and the first connection optical fiber 216；
Second light source adjustment portion 221, the second Attenuation adjustable portion 222, the second luminous flux adjustment portion 223, the second main integrating sphere
224, the second auxiliary integrating sphere 225 and the second connection optical fiber 226.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to enable those skilled in the art to better understand the solution of the present invention, right in the following with reference to the drawings and specific embodiments
The present invention is described in further detail.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of structure diagram of the provided double star simulator of specific embodiment of the present invention；Figure
2 be the structure diagram of asterism target in Fig. 1.
The embodiment of the invention discloses a kind of double star simulator, including asterism target 1, asterism target 1 has the first asterism
Hole 11 and the second asterism hole 12, the angular distance between the first asterism hole 11 and the second asterism hole 12 are fixed, therefore 11 He of the first asterism hole
Vertical distance between second asterism hole 12 can be set according to angular distance, be not limited thereto.In this specific embodiment, asterism target
It marks 1 square, is easily installed and positioned.In addition, the longitudinal direction of the first asterism hole 11 and the second asterism hole 12 relative to asterism target 1
Center line symmetrical setting.
The invention also includes the first connected magnitudes corresponding with the first asterism hole 11 and the second asterism hole 12 respectively to adjust machine
Structure 21 and the second magnitude regulating mechanism 22, so that the first magnitude regulating mechanism 21 and the second magnitude regulating mechanism 22 can be independently
Adjust magnitude.It is essential that the first magnitude regulating mechanism 21 is identical with the structure of the second magnitude regulating mechanism 22.
Wherein, the first magnitude regulating mechanism 21 includes first light source adjustment portion 211, the first Attenuation adjustable portion 212 and first
Luminous flux adjustment portion 213；Correspondingly, the second magnitude regulating mechanism 22 includes second light source adjustment portion 221, the second Attenuation adjustable portion
222 and the second luminous flux adjustment portion 223, so that magnitude is realized linear regulation, to reduce algorithm and control difficulty, conveniently makes
With.
First light source adjustment portion 211 is mainly used for providing light source.It in this specific embodiment, is promotion adaptability, first
Light source adjustment portion 211 includes first light source and first light source adjusting knob, and first light source adjusting knob is connected with first light source, with
Just the illumination for adjusting first light source, adapts to different star sensors.Specifically, first light source can be LED light, first light source tune
Section knob is common rotary switch, and first light source realizes that circuit is connected by conducting wire with first light source adjusting knob.Certainly,
The structure of one light source adjustment portion 211 is without being limited thereto.
First Attenuation adjustable portion 212 is connected with first light source adjustment portion 211, to be cut using the first Attenuation adjustable portion 212
The weak light illumination issued by first light source adjustment portion 211.In this specific embodiment, the first Attenuation adjustable portion 212 includes
Several attenuators and attenuator changeover module with differential declines multiplying power, attenuator changeover module can be on demand by any decaying
Piece is switched to be aligned with first light source, to obtain the light with desired illuminance.
Preferably, attenuator changeover module includes the support base with loophole and the appearance for being rotatably installed on support base
Receive disk, accommodate disk have it is several for holding the holding tanks of attenuator one by one, accommodate be equipped between disk and support base with both
The rolling bearing to offset respectively.Receiving disk is stirred, disk is accommodated and whole attenuators is driven to rotate relative to support base, when with ideal
It when the attenuator and loophole of the multiplying power that decays align, accommodates disk and stops operating, thus the light attenuation for projecting first light source
To desired illuminance.Certainly, attenuator changeover module is without being limited thereto, is had no effect on using other kinds of changeover module and realizes this hair
Bright purpose.
First luminous flux adjustment portion 213 is connected with the first Attenuation adjustable portion 212, to utilize the first luminous flux adjustment portion
213 adjust the luminous flux of the light issued by the first Attenuation adjustable portion 212.In this specific embodiment, the first luminous flux tune
Section portion 213 includes the rectangular diaphragm that restriction effect is specially played to light beam, but not limited to this.
The structure of second light source adjustment portion 221 is identical as first light source adjustment portion 211, the knot in the second Attenuation adjustable portion 222
Structure is identical as the first Attenuation adjustable portion 212, and the structure of the second luminous flux adjustment portion 223 is identical as the first luminous flux adjustment portion 213,
Specifically it can refer to above content, details are not described herein.
When adjusting magnitude, weaken the light illumination of first light source adjustment portion 211 first with the first Attenuation adjustable portion 212, it is real
Existing coarse adjustment magnitude then recycles the first luminous flux adjustment portion 213 to continue to adjust the light that the first Attenuation adjustable portion 212 is issued
Luminous flux realizes accurate adjustment magnitude.The adjusting of magnitude is needed according to the first Attenuation adjustable portion 212 and the first luminous flux adjustment portion 213 first
After adjusted twice, the degree of regulation of magnitude is promoted naturally.The first magnitude regulating mechanism 21 and second being independently arranged
Magnitude regulating mechanism 22 can be realized double star magnitude and realize individually adjusting, is conducive to increase magnitude adjustable range, also helps and mention
Rise degree of regulation.
, the second magnitude regulating mechanism identical with the structure of the second magnitude regulating mechanism 22 in view of the first magnitude regulating mechanism 21
22 magnitude adjustment process is identical with the first magnitude regulating mechanism 21, and details are not described herein.Further, the first decaying is adjusted
The setting in section portion 212 can be avoided frequently dismounting attenuator, and labor intensity is small, operate more convenient.Further, the first magnitude
Regulating mechanism 21 is identical with the magnitude adjustment process of the second magnitude regulating mechanism 22, adjusts difficulty and decreases naturally, operation is more
It is convenient.Therefore, double star simulator operation provided by the present invention is more convenient, adjustable range is relatively wide and magnitude degree of regulation is higher.
First magnitude regulating mechanism 21 further include set on the first Attenuation adjustable portion 212 and the first luminous flux adjustment portion 213 it
Between the first main integrating sphere 214, the light that the first main integrating sphere 214 can be such that the first Attenuation adjustable portion 212 is issued is equably
The first luminous flux adjustment portion 213 is injected, the degree of regulation for further promoting magnitude is conducive to.The structure of first main integrating sphere 214
And working principle specifically can refer to the prior art, this will not be detailed here.
First magnitude regulating mechanism 21 further includes set on the between the first asterism hole 11 and the first luminous flux adjustment portion 213
One auxiliary integrating sphere 215, the light that the first auxiliary integrating sphere 215 can be such that the first luminous flux adjustment portion 213 is issued uniformly are penetrated
Enter the first asterism hole 11, is conducive to the degree of regulation for further promoting magnitude.Similarly, the knot of the first auxiliary integrating sphere 215
Structure and working principle specifically can refer to the prior art, be not described in detail here.
Similarly, the second magnitude regulating mechanism 22 further includes adjusting set on the second Attenuation adjustable portion 222 and the second luminous flux
The second main integrating sphere 224 between portion 223 and second between the second asterism hole 12 and the second luminous flux adjustment portion 223 auxiliary
Help integrating sphere 225.
It is essential that collimation lens barrel 3 can will inject into the invention also includes the collimation lens barrel 3 being connected with asterism target 1
Light ray parallel projects.It need to be intended that, two focuses for collimating lens barrel 3 are right with the first asterism hole 11 and the second asterism hole 12 respectively
It should be overlapped, two path parallel beams are separately converted to by the light that the first asterism hole 11 and the second asterism hole 12 are injected and are projected.Collimation
The structure and working principle of lens barrel 3 is referring in particular to the prior art, and this will not be detailed here.
In this specific embodiment, the entrance of rectangular diaphragm is connected with the outlet of the first main integrating sphere 214, rectangular diaphragm
Outlet be connected with the entrance of the first auxiliary integrating sphere 215, guarantee light even into rectangular diaphragm and collimation lens barrel 3.
First magnitude regulating mechanism 21 further includes be connected between the first auxiliary integrating sphere 215 and the first asterism hole 11
One connection optical fiber 216, the first connection optical fiber 216 realize conducting light paths.Correspondingly, the second magnitude regulating mechanism 22 further includes connection
The second connection optical fiber 226 between the second auxiliary integrating sphere 225 and the second asterism hole 12.
The working principle of double star simulator provided by the present invention is as follows:
Start first light source adjustment portion 211, first light source projects the light with desired illuminance；
The first Attenuation adjustable portion 212 is adjusted, the attenuator with desired attenuation multiplying power is directed at first light source, realizes coarse adjustment star
Deng；
Light after the first Attenuation adjustable portion 212 is adjusted is injected in the first main integrating sphere 214, through the first main integrating sphere
214 mix well after inject the first luminous flux adjustment portion 213, the first luminous flux adjustment portion 213 adjusts injected light luminous flux, real
Existing accurate adjustment magnitude；
It is inputted in the first auxiliary integrating sphere 215 by the light that the first luminous flux adjustment portion 213 projects, through the first auxiliary integral
Ball 215 connects optical fiber 216 by first after mixing well and injects the first asterism hole 11, the collimated mirror of light that the first asterism hole 11 is projected
Cylinder 3 becomes parallel rays after adjusting；
Thus the first magnitude regulating mechanism 21 is completed to adjust, the adjustment process and the first magnitude of the second magnitude regulating mechanism 22
The adjustment process of regulating mechanism 21 is identical, and details are not described herein.
Double star simulator provided by the present invention is described in detail above, specific case used herein is to this
The principle and embodiment of invention is expounded, method of the invention that the above embodiments are only used to help understand and
Its core concept；At the same time, for those skilled in the art in specific embodiment and is answered according to the thought of the present invention
With in range, there will be changes, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of double star simulator, which is characterized in that including the asterism with the first asterism hole (11) and the second asterism hole (12)
Target (1) and respectively with first asterism hole (11) and second asterism hole (12) are corresponding is connected and structure is identical, is used for
The the first magnitude regulating mechanism (21) and the second magnitude regulating mechanism (22) of separately adjustable magnitude, the first magnitude regulating mechanism
(21) include:
First light source adjustment portion (211)；
It is connected with the first light source adjustment portion (211) and is issued for weakening by the first light source adjustment portion (211)
First Attenuation adjustable portion (212) of light illumination；
It is connected with first Attenuation adjustable portion (212) and is issued for adjusting by first Attenuation adjustable portion (212)
First luminous flux adjustment portion (213) of light luminous flux.
2. double star simulator according to claim 1, which is characterized in that the first magnitude regulating mechanism (21) further includes
Between first Attenuation adjustable portion (212) and the first luminous flux adjustment portion (213), for making first decaying
The light that adjustment portion (212) is issued uniformly injects the first main integrating sphere (214) of the first luminous flux adjustment portion (213).
3. double star simulator according to claim 2, which is characterized in that the first magnitude regulating mechanism (21) further includes
Between first asterism hole (11) and the first luminous flux adjustment portion (213), for making the first luminous flux tune
The light that section portion (213) is issued uniformly injects first auxiliary integrating sphere (215) in first asterism hole (11).
4. double star simulator according to claim 3, which is characterized in that further include being connected simultaneously with the asterism target (1)
The collimation lens barrel (3) that light ray parallel for will inject into projects.
5. double star simulator according to claim 4, which is characterized in that first Attenuation adjustable portion (212) is if include
Dry attenuator and for any attenuator to be switched to the attenuator changeover module being aligned with the first light source.
6. double star simulator according to claim 5, which is characterized in that the first luminous flux adjustment portion (213) is specific
For rectangular diaphragm, the entrance of the rectangular diaphragm is connected with the outlet of the described first main integrating sphere (214), the rectangular diaphragm
Outlet be connected with the entrance of first auxiliary integrating sphere (215).
7. according to the described in any item double star simulators of claim 3 to 5, which is characterized in that the first magnitude regulating mechanism
It (21) further include being connected to first auxiliary integrating sphere (215) to connect optical fiber with first between first asterism hole (11)
(216)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944646.8A CN110501030A (en) | 2019-09-30 | 2019-09-30 | A kind of double star simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944646.8A CN110501030A (en) | 2019-09-30 | 2019-09-30 | A kind of double star simulator |
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| CN110501030A true CN110501030A (en) | 2019-11-26 |
Family
ID=68593167
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| CN201910944646.8A Pending CN110501030A (en) | 2019-09-30 | 2019-09-30 | A kind of double star simulator |
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Cited By (2)
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| 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 |
| CN112833914A (en) * | 2020-12-31 | 2021-05-25 | 中国科学院长春光学精密机械与物理研究所 | Light source of star simulator |
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| CN112833914A (en) * | 2020-12-31 | 2021-05-25 | 中国科学院长春光学精密机械与物理研究所 | Light source of star simulator |
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Application publication date: 20191126 |