CN110132310A - A kind of star simulator and its target adjust component - Google Patents
A kind of star simulator and its target adjust component Download PDFInfo
- Publication number
- CN110132310A CN110132310A CN201910491474.3A CN201910491474A CN110132310A CN 110132310 A CN110132310 A CN 110132310A CN 201910491474 A CN201910491474 A CN 201910491474A CN 110132310 A CN110132310 A CN 110132310A
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- Prior art keywords
- screw
- target
- hole
- adjusting
- target assemblies
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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
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
Abstract
The invention discloses a kind of targets to adjust component, including the pedestal to be connected with optical device shell and the holding screw to fixed target assemblies and adjusting screw, pedestal is equipped with the perforative mounting hole of through-thickness, the side wall of mounting hole is equipped with screw hole, target assemblies are installed in mounting hole, holding screw and adjusting screw are installed in screw hole, and holding screw includes nut, adjusting rod and the elastic portion between nut and adjusting rod, to push adjusting rod and target assemblies to offset.The adjusting rod of holding screw is adjacent under elastic portion promotion with target assemblies, while target assemblies are adjacent to adjusting screw under the promotion of holding screw and are fixed in mounting hole.Position of the target assemblies in mounting hole radially is adjusted by adjusting screw, target assemblies are bonded with holding screw and adjusting screw always during being somebody's turn to do, and keep adjustment process more stable.The present invention also provides a kind of star simulators that component is adjusted including above-mentioned target, and have the above advantages.
Description
Technical field
The present invention relates to technical field of optical instrument, in particular to a kind of target adjusts component.The invention further relates to one kind
Star simulator including above-mentioned adjusting component
Background technique
In recent years, increasingly developed with China's aerospace industry, the star sensor as navigation device has obtained on a large scale
Use.To guarantee precision of star sensor, it is an essential Xiang Liucheng in star sensor application process that calibration is carried out to it.
Star simulator is used widely as the ground calibration facility of star sensor, can be divided into calibration type and Function detection according to function
Type, calibration type are mainly used for the calibration to star sensor detectivity, optical signal resolution capability, and Function detection type is mainly to multiple
Star physical location and distribution are simulated.It is especially heavy that Function detection type star simulator respectively simulates relative angle information between star
It wants, current Function detection type star simulator is mainly inclined to adjust the angle of star simulator entirety in such a way that screw thread top is drawn
It moves, and then completes the angular adjustment of emergent light.The regulative mode that screw thread top is drawn will lead to star simulator and star simulator mounting surface
Between there are gap, star simulator stability cannot be guaranteed.
Therefore, how to improve the stability of star simulator adjusting is those skilled in the art's technical problem urgently to be solved.
Summary of the invention
The object of the present invention is to provide a kind of targets to adjust component, target assemblies can be adjusted, without right
Star simulator progress is integrally-regulated, improves the stability of adjusting.It include above-mentioned target it is a further object of the present invention to provide one kind
Mark adjusts the star simulator of component.
To achieve the above object, the present invention provides a kind of target adjusting component, including to be connected with optical device shell
Pedestal and to fixed target assemblies holding screw and adjust screw, be equipped with the perforative peace of through-thickness in the pedestal
Hole is filled, the side wall of the mounting hole is equipped with screw hole, and target assemblies are installed in the mounting hole, the holding screw and described
It adjusts screw to be installed in the screw hole and offset with target assemblies, the holding screw includes nut, adjusting rod and position
Elastic portion between the nut and the adjusting rod, to push the adjusting rod and target assemblies to offset.
Preferably, the screw hole is 4, and is uniformly distributed along the circumferential direction of the mounting hole, the two adjacent screws
It is equipped with the holding screw in hole, is equipped with the adjusting screw in other two described screw hole.
Preferably, the screw hole is 3, and is uniformly distributed along the circumferential direction of the mounting hole, one of them described screw
It is equipped with the holding screw in hole, is equipped with the adjusting screw in other two described screw hole.
It preferably, further include positioned at the mounting hole side, the pedestal end cap being connected with the pedestal, the pedestal end cap
Equipped with the mounting groove to install attenuator, the decaying to compress the attenuator is removably installed in the mounting groove
Piece pressing ring.
The present invention also provides a kind of star simulators, adjust component including target described in any one of the above.
Preferably, including shell and positioned at the shell both ends and the primary mirror and secondary mirror and target assemblies of coaxial arrangement,
The target assemblies adjust one end where component is mounted on the primary mirror by the target, and the target, which adjusts component, to be had
To install the mounting hole of the target assemblies, the mounting hole and the primary mirror are coaxially disposed.
Preferably, the secondary mirror is connected with the laser module to calibrate the target assemblies, the laser module with it is described
Secondary mirror coaxial arrangement.
It preferably, further include positioned at primary mirror institute light source at one end, the light source passes through lampshade phase with the shell
Even.
Preferably, the lampshade is removably connect with the shell.
Preferably, the heat radiation rack to radiate is additionally provided between the light source and the lampshade.
Target provided by the present invention adjusts component, including to the pedestal being connected with optical device shell and to fixation
The holding screws of target assemblies and screw is adjusted, is equipped with the perforative mounting hole of through-thickness in pedestal, the side wall of mounting hole is set
There is screw hole, target assemblies are installed in mounting hole, holding screw and are adjusted screw and are installed in screw hole and and target assemblies
Offset, holding screw include nut, adjusting rod and between nut and adjusting rod, to push adjusting rod and target assemblies
The elastic portion to offset.
Target assemblies are mounted on target and adjust in component, and target adjusts component by holding screw and adjusts screw to target
Component is adjusted to be fixed.Wherein, the adjusting rod of holding screw is adjacent under the promotion of elastic portion with target assemblies, while target
Component is adjacent under the promotion of holding screw with adjusting screw, and then is fixed in mounting hole.It is adjustable by turning adjusting screw
Position of the target assemblies in mounting hole radially is saved, and then achievees the purpose that adjust relative angle between each simulation star.Adjustment
It is bonded always with holding screw and adjusting screw under the action of target assemblies elastic force in the process, keeps adjustment process more stable.
In addition, target provided by the present invention, which is adjusted, also has dismountable attenuator in component, by replacing attenuator
Adjustable outgoing illuminance, and then simulate different magnitudes.
Present invention also provides a kind of star simulators that component is adjusted including above-mentioned target, and have the above advantages.
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 that target provided by the present invention adjusts a kind of structural schematic diagram of specific embodiment of component；
Fig. 2 is the structural schematic diagram that target provided by the present invention adjusts component another kind specific embodiment；
Fig. 3 is the cross-sectional view of star simulator provided by the present invention.
Wherein, appended drawing reference of the Fig. 1 into Fig. 3 are as follows:
Laser module 1, secondary mirror pressing ring 2, secondary mirror support pressing ring 3, secondary mirror support 4, secondary mirror 5, middle cylinder 6, cone 7, primary mirror
8, main side lid 9, primary mirror pressing ring 10, front lamp cover 11, target adjust component 12, middle lampshade 13, light source 14, rear lampshade 15, heat radiation rack
16, pedestal 121, target assemblies 122, adjusting screw 123, holding screw 124, pedestal end cap 125, attenuator 126, attenuator pressure
Enclose 127, nut 1241, spring 1242, adjusting rod 1243.
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 make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is that target provided by the present invention adjusts a kind of structure of specific embodiment of component
Schematic diagram；Fig. 2 is the structural schematic diagram that target provided by the present invention adjusts component another kind specific embodiment；Fig. 3 is this
The cross-sectional view of provided star simulator is provided.
Target provided by the present invention adjusts component 12, and structure is as shown in Figure 1 or 2.It includes base that target, which adjusts component 12,
Seat 121, holding screw 124 and adjusting screw 123.For being connected with optical device shell, the center of pedestal 121 is set pedestal 121
There is a perforative mounting hole of through-thickness, the periphery of mounting hole is equipped with connecting hole, and the connectors such as bolt can be by connecting hole by base
Seat 121 is fixed on the shell of optical device.
Target assemblies 122 are mounted in mounting hole.The side wall of mounting hole is equipped at least three screw hole, and whole screw holes exist
The circumferential direction of mounting hole is uniformly distributed, and holding screw 124 and adjusting screw 123 are arranged in screw hole, holding screw 124 and adjusting
Screw 123 is offseted with target assemblies 122, is positioned to it.Holding screw 124 include nut 1241, adjusting rod 1243 with
And the elastic portion between nut 1241 and adjusting rod 1243, elastic portion can push adjusting rod 1243 and target assemblies 122
It offsets.Wherein, elastic portion can be specially spring 1242.On pedestal 121 with adjust 123 position of screw relative to side it is logical
Standing to set holding screw 124, holding screw 124 can push target assemblies 122 to fit with screw 123 is adjusted, change simultaneously
The depth that screw 123 is inserted into mounting hole is adjusted, position of the target assemblies 122 in mounting hole radially is adjusted.
In a kind of specific embodiment of the application, screw hole is 4.As shown in Figure 1, week of 4 screw holes along mounting hole
To being uniformly distributed, it is equipped with holding screw 124 in the adjacent screw hole of two of them, is equipped in other two screw hole and adjusts screw
123.I.e. two adjusting screws 123 are mutually perpendicular to, and adjust target assemblies 122 in two reference axis by two adjusting screws 123
On position, keep regulative mode simpler.
In another specific embodiment of the application, screw hole is 3, and is uniformly distributed along the circumferential direction of mounting hole.Such as
Shown in Fig. 2, the angle between any two screw hole is 120 °, and holding screw 124 is equipped in one of screw hole, other two
It is equipped in screw hole and adjusts screw 123.In present embodiment, the minimum number of screw hole, but work as and need to adjust target group
When the position of part 122, it usually needs while two adjusting screws 123 are adjusted.
Optionally, it further includes pedestal end cap 125 that target, which adjusts component 12, as shown in Fig. 2, pedestal end cap 125 is located at installation
Hole side, and be connected through a screw thread with pedestal 121, pedestal end cap 125 can carry out axial limiting to target assemblies 122.In addition,
Pedestal end cap 125 also has the through-hole coaxial with mounting hole, and through-hole has the mounting groove for installing attenuator 126, mounting groove
Side far from pedestal 121 has been removably installed attenuator pressing ring 127, and 126 compacting ring of attenuator can press attenuator 126
Tightly in mounting groove.When needing to adjust emergent light light intensity, can be realized by replacing different attenuators 126.
In the present embodiment, target assemblies 122 are mounted on target and adjust in component 12, adjust the tune in component 12 by target
Section screw 123 can adjust the radial position of target assemblies 122, to reach the mesh for adjusting relative angle between each simulation star
's.It is integrally-regulated without being carried out to star simulator, improve the stability of adjusting.In addition, removable in target adjusting component 12
Attenuator 126 is installed with unloading, can reach the purpose of adjusting light intensity of incident light by replacing attenuator 126.
The present invention also provides a kind of star simulators, and the target including any one of the above adjusts component 12.Such as Fig. 3 institute
Show, star simulator includes shell and primary mirror 8 and secondary mirror 5 and target assemblies 122 positioned at shell both ends and coaxial arrangement, target
Mark component 122 adjusts one end that component 12 is mounted on 8 place of primary mirror on shell by target, and wherein target adjusts the peace of component 12
It fills hole and primary mirror 8 is coaxial.
Optionally, shell includes middle cylinder 6, secondary mirror support 4 and main side lid 9, and middle cylinder 6 is cylindrical, the center of circle of secondary mirror support 4
Place is equipped with the perforative fixation hole of through-thickness, and secondary mirror 5 is mounted in fixation hole, and one end diameter of secondary mirror 5 is greater than fixation hole
Diameter, the other end passes through fixation hole and extends to hull outside, and is connected with secondary mirror pressing ring 2, and the diameter of secondary mirror pressing ring 2, which is greater than, to be fixed
Secondary mirror 5 is fixed in secondary mirror support 4 by hole so as to carry out axial limiting to secondary mirror 5.
The both ends of middle cylinder 6 are respectively provided with the first mounting groove for installing secondary mirror support 4 and second for installing primary mirror 8
Mounting groove.Pressing ring 3 is supported to be connected with secondary mirror by screw thread at the notch of first mounting groove, the first mounting groove and secondary mirror support pressing ring
3 are fixed on secondary mirror support 4 in first mounting groove.The notch of second mounting groove is connected through a screw thread with primary mirror pressing ring 10, primary mirror 8
It is fixed between primary mirror pressing ring 10 and the slot bottom of the second mounting groove.
Main side lid 9 is connected at one end with primary mirror 8 on middle cylinder 6, and primary mirror 8 has perforative via hole in the axial direction, main side
The outside of lid 9 adjusts component 12 with target and is bolted, and the setting of target assemblies 122 is adjusted in component 12 in target.Main side
Lid 9 is injected in shell after there is the perforative incidence hole of through-thickness, incident ray to irradiate target assemblies 122 from incidence hole,
Incident ray is reflected towards primary mirror 8 by secondary mirror 5, then generates parallel rays after being reflected by primary mirror 8, and by projecting in star simulator.For
Interference of the reflection light to incident ray is avoided, main side lid 9 is connected with the cone 7 coaxial with primary mirror 8, and cone 7 passes through via hole
Extend to the inside of shell.
In addition, secondary mirror 5 is connected with the laser module (1) to calibrate target assemblies 122, laser module (1) and 5 phase of secondary mirror
Even, it and is coaxially disposed.Laser module (1) projects calibration light along the axis of secondary mirror 5, and calibration light is radiated at target assemblies 122
On, user can adjust target regulating mechanism according to calibration light, so that target assemblies 122 be made to be fixed in position.
It further, further include light source 14 in star simulator, as shown in figure 3, main side lid 9 is bolted with lampshade,
Light source 14 is mounted in lampshade.Specifically, lampshade includes the front lamp cover 11 being connected with main side lid 9, cylindrical middle lampshade 13
And the rear lampshade 15 being connected with light source 14, wherein between front lamp cover 11 and middle lampshade 13 and middle lampshade 13 and rear lampshade 15 it
Between be connected through a screw thread.Lampshade is located at the periphery that target adjusts component 12, and the side wall of front lamp cover 11 has through-thickness
Perforative adjustment hole, the position of adjustment hole is corresponding with the position of screw 123 is adjusted, and spanner can be passed through adjustment hole, rotation by user
Modulation section screw 123.In addition, first the dismounting of middle lampshade 13 again can carry out attenuator 126 when needing replacing attenuator 126
Replacement.
In addition, light source 14 can be specially LED light source 14, the long-time service of LED light source 14 can generate biggish heat, to avoid
Light source 14 overheats, and heat radiation rack 16 is additionally provided between light source 14 and lampshade, and the front end of heat radiation rack 16 is fixedly connected with LED light source 14,
Rear end is connected by screw with rear lampshade 15.16 periphery of heat radiation rack is additionally provided with a plurality of radiating groove circumferentially.
In the present embodiment, star simulator adjusts component 12 by target and installs target assemblies 122, adjusts component by target
12 are adjusted relative angle between each simulation star, because without to star simulator carry out it is integrally-regulated, improve the steady of adjusting
It is qualitative.In addition, being equipped with laser module (1) in star simulator, target assemblies 122 can be determined by laser module (1)
Position facilitates the installation site of adjustment target assemblies 122.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Component is adjusted to star simulator provided by the present invention and its target above to be described in detail.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (10)
1. a kind of target adjusts component, which is characterized in that including to be connected with optical device shell pedestal (121) and to
It fixes the holding screw (124) of target assemblies (122) and adjusts screw (123), through-thickness is equipped in the pedestal (121)
The side wall of perforative mounting hole, the mounting hole is equipped with screw hole, and target assemblies (122) are installed in the mounting hole, described
Holding screw (124) and the adjusting screw (123) are installed in the screw hole and offset with target assemblies (122), described
Holding screw (124) include nut (1241), adjusting rod (1243) and be located at the nut (1241) and the adjusting rod
(1243) elastic portion between, to push the adjusting rod (1243) and target assemblies (122) to offset.
2. target according to claim 1 adjusts component, which is characterized in that the screw hole is 4, and along the installation
The circumferential direction in hole is uniformly distributed, and is equipped with the holding screw (124) in the two adjacent screw holes, other two described screw hole
In be equipped with the adjusting screw (123).
3. target according to claim 2 adjusts component, which is characterized in that the screw hole is 3, and along the installation
The circumferential direction in hole is uniformly distributed, and is equipped with the holding screw (124) in one of them described screw hole, other two described screw hole
In be equipped with the adjusting screw (123).
4. adjusting component to target described in 3 any one according to claim 1, which is characterized in that further include being located at the peace
The pedestal end cap (125) for filling hole side, being connected with the pedestal (121), the pedestal end cap (125) are equipped with to install decaying
The mounting groove of piece (126) is removably installed the attenuator pressing ring to compress the attenuator (126) in the mounting groove
(127)。
5. a kind of star simulator, which is characterized in that adjust component (12) including target described in Claims 1-4 any one.
6. star simulator according to claim 5, which is characterized in that including shell and positioned at the shell both ends and together
The primary mirror (8) and secondary mirror (5) of axis setting and target assemblies (122), the target assemblies (122) pass through the target adjusting group
Part (12) is mounted on one end where the primary mirror (8), and the target, which adjusts component (12), to be had to install the target group
The mounting hole of part (122), the mounting hole and the primary mirror (8) are coaxially disposed.
7. star simulator according to claim 6, which is characterized in that the secondary mirror (5) is connected with to calibrate the target
The laser module (1) of component (122), the laser module (1) and the secondary mirror (5) are coaxially disposed.
8. star simulator described according to claim 6 or 7 any one, which is characterized in that further include being located at the primary mirror (8)
Light source (14) at one end, the light source (14) be connected with the shell by lampshade.
9. star simulator according to claim 8, which is characterized in that the lampshade is removably connect with the shell.
10. star simulator according to claim 9, which is characterized in that also set between the light source (14) and the lampshade
There is the heat radiation rack (16) to radiate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491474.3A CN110132310B (en) | 2019-06-06 | 2019-06-06 | Star simulator and target adjusting component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491474.3A CN110132310B (en) | 2019-06-06 | 2019-06-06 | Star simulator and target adjusting component thereof |
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| Publication Number | Publication Date |
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| CN110132310A true CN110132310A (en) | 2019-08-16 |
| CN110132310B CN110132310B (en) | 2022-07-08 |
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| CN201910491474.3A Active CN110132310B (en) | 2019-06-06 | 2019-06-06 | Star simulator and target adjusting component thereof |
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Cited By (4)
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| CN110501143A (en) * | 2019-09-30 | 2019-11-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of reflectance of reflector curve measurement mechanism |
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| CN114383633A (en) * | 2021-12-29 | 2022-04-22 | 西安中科微星光电科技有限公司 | Fine adjustment device of optical rotary target |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110132310B (en) | 2022-07-08 |
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