CN102705657B - Flexible support frame for small high-stability multifunctional optical reflector - Google Patents
Flexible support frame for small high-stability multifunctional optical reflector Download PDFInfo
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- CN102705657B CN102705657B CN201210199455.1A CN201210199455A CN102705657B CN 102705657 B CN102705657 B CN 102705657B CN 201210199455 A CN201210199455 A CN 201210199455A CN 102705657 B CN102705657 B CN 102705657B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 44
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- 239000000463 material Substances 0.000 abstract description 11
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 11
- 230000035882 stress Effects 0.000 description 8
- 101700004678 SLIT3 Proteins 0.000 description 7
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 7
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- 229910001374 Invar Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
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- 229910001069 Ti alloy Inorganic materials 0.000 description 2
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- 229920006335 epoxy glue Polymers 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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Abstract
The invention relates to a flexible support frame for a small high-stability multifunctional optical reflector, and belongs to the technical field of space optics. The problems that the conventional supporting mechanism is only applicable to reflectors made of the same material, and the purposes and the size of the conventional supporting mechanism are limited are solved. The flexible support frame has a rectangular structure comprising a hollow circle, mechanical connecting platforms which are equal in width and have rectangular bump structures are processed on two sides of the flexible support frame, two mechanical connectors are respectively processed at two ends of each mechanical connecting platform, an optical machine connecting platform which has an annular bump structure is processed along the hollow circle, a recess structure is processed at the bottom of the optical machine connecting platform, an unloading base plate which has a sinking structure is processed between each mechanical connecting platform and the optical machine connecting platform, and an unloading slit which has a circular topological structure is processed on each unloading base plate. The flexible support frame is designed integrally, and is wide in application range and high in applicability, and the safety and the reliability of the flexible support can be increased.
Description
Technical field
The invention belongs to the small-sized high stable multifunctional optical of the one relating in space optics technical field reflector flexible support.
Background technique
Flexible support is to be out of shape to isolate or reduce by flexible link the passive regulation structure of one optical reflecting mirror shape precision being had a negative impact because of factors such as operating ambient temperature variation, erection stresses.That this class formation has advantages of is simple in structure, without sluggish, without the impact of creeping, can stand the various rugged environment in space, be widely used at present in the supporting structure of reflective optic reflector in space optics load.
Current, space reflection formula optical mirror all adopts flexible structure to realize the supported design of highi degree of accuracy, high stable.With the prior art that the present invention approaches the most, be U.S. PaulR.Yoder, the design of Jr. work Opto-MechanicalSystemsDesign(optical-mechanical system, the third edition, Zhou Haixian, Cheng Yunfang translates) metallic mirror flexible support device shown in the 604th page of Figure 13-55.The shortcoming of this flexible structure maximum is that it is only applicable to the Integrated design that reflector and supporting structure are metallic material of the same race, the purposes of flexible structure and size are seriously limited, and this kind of flexible structure complexity, difficulty of processing is large, cost is high, the cycle is long, is unfavorable on a large scale, large batch of use.
Summary of the invention
Be only applicable to same material reflector in order to solve above-mentioned supporting mechanism, purposes and size-constrained problem, the invention provides a kind of small-sized high stable multifunctional optical reflector flexible support, comprise: flexible support, flexible support is the rectangular configuration containing hollow circle, both sides process the rectangular boss construction machine connecting platform of equal width, two mechanical interfaces of the each processing in two ends of mechanical connection platform, along hollow circle processing annular boss structure ray machine connecting platform, ray machine connecting platform bottom surface processing concave volume structure, between mechanical connection platform and ray machine connecting platform, process concave volume structure and unload carried base board, unload the unloading slit of processing circular topology structure on carried base board, topological structure axes O
1o
1' with ray machine connecting platform axis coaxle, unloading slit is divided into internal layer and outer two-part, internal layer is connected with ray machine connecting platform, outer is connected with mechanical connection platform, skin unloads the line O of center of arc everywhere of slot ends
2o
2' and O
3o
3' mutual angle in 90 ° and friendship are in the ray machine connecting platform O of center of arc
0, ray machine interface and pin hole are positioned on ray machine connecting platform, and ray machine interface is 90 ° of distributions, the pin hole line of centres and the line O of center of arc
2o
2' angle at 45 °, internal layer unloading slit is divided into five groups, and the unloading slit that is mutually 180 ° of angle intervals is one group, and the line of center of arc everywhere of its end all intersects at the ray machine connecting platform O of center of arc
0.
Good effect of the present invention:
1. the integrated form design that this flexible support metallic absorption supporting structure different from the past adopts, this flexible support is the split type design that is connected with mirror body, applicable to the support requirement of the material space reflectors such as metal, glass, SiC, Applicable scope is wider, and adaptability is stronger;
2. the selection of this flexible support material therefor is more versatile and flexible, can be according to the number of the quality of the difference of mirror base, Environmental Conditions, processing cost, the structural material that selection heat coupling is better, intensity is better, workability is good, makes design and course of working more facilitate and save;
3. this flexible support is simple in structure, it is extremely easy to process, avoid the caused manufacturing difficult problem of integrated structure, can significantly reduce structural member processing cost, shorten the process-cycle, the processing mode of this supporting frame flexible structure simplicity simultaneously, can improve its safety and reliability greatly, and this is an extremely important performance assessment criteria in the development of space item;
4. this flexible support shelf structure and size are not limited by reflector, design variable is simply controlled, especially the design of axial dimension is comparatively flexible, can be suitable for the supported design requirement of the more harsh optical mirror of axial carrying requirement, also can meet the usage requirement of optical mirror bearing of optical axis high stability simultaneously;
5. this flexible support has adopted split type plane structure, meeting under the prerequisite of optical mirror supporting structure high stability usage requirement, structure axial dimension is shortened, reduced the axial dimension constraint restriction of optical system, be very suitable for the small light designing requirement of structure.
Brief description of the drawings
Fig. 1 is the structural representation of small-sized high stable multifunctional optical reflector flexible support;
Fig. 2 is the sectional view of small-sized high stable multifunctional optical reflector flexible support;
Fig. 3 is small-sized high stable multifunctional optical reflector flexible support and metallic absorption/SiC reflector screw connection diagram;
Fig. 4 is small-sized high stable multifunctional optical reflector flexible support and glass reflector gummed connection diagram;
Fig. 5 is small-sized high stable multifunctional optical reflector flexible support and glass reflector cemented surface sectional view;
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment one
As shown in Figure 1-2, small-sized high stable multifunctional optical reflector flexible support, comprise: flexible support 8, flexible support 8 is the rectangular configuration containing hollow circle, both sides process the rectangular boss construction machine connecting platform 5 of equal width, two mechanical interfaces 1 of the each processing in two ends of mechanical connection platform 5, along hollow circle processing annular boss structure ray machine connecting platform 7, 7 the bottom surface processing concave volume structure of ray machine connecting platform, between mechanical connection platform 5 and ray machine connecting platform 7, process concave volume structure and unload carried base board 6, unload the unloading slit 3 of processing circular topology structure on carried base board 6, topological structure axes O
1o
1' with ray machine connecting platform 7 axis coaxles, unloading slit 3 is divided into internal layer and outer two-part, internal layer is connected with ray machine connecting platform 7, outer is connected with mechanical connection platform 5, skin unloads the line O of center of arc everywhere of slot ends
2o
2' and O
3o
3' mutual angle in 90 ° and friendship are in ray machine connecting platform 7 O of center of arc
0, ray machine interface 2 and pin hole 4 are positioned on ray machine connecting platform 7, and ray machine interface 2 is 90 ° of distributions, pin hole 4 lines of centres and the line O of center of arc
2o
2' angle at 45 °, internal layer unloading slit is divided into five groups, and the unloading slit that is mutually 180 ° of angle intervals is one group, and the line of center of arc everywhere of its end all intersects at ray machine connecting platform 7 O of center of arc
0.The convex surface of mechanical connection platform 5 and ray machine connecting platform 7 is in same plane, and the concave volume structure of ray machine connecting platform 7 bottom surface processing is identical with the recessed height that unloads carried base board 6.
As shown in Figure 3, flexible support 8 is connected by screw with optical mirror 9, and optical mirror 9 is metallic absorption or SiC reflector.
As shown in Figure 4, flexible support 8 is connected by gummed with optical mirror 9, and optical mirror 9 is glass mirror.
As shown in Figure 5, when optical mirror 9 is glass mirror, flexible support 8 glues together with optical mirror 9 sectional view being connected.
Embodiment two
Flexible support 8 adopts Split type structure with optical mirror 9, workability and versatility are increased, when optical mirror is metal or SiC material, between flexible support and optical mirror 9, be connected by ray machine interface 2, pin hole 4 is connected with ray machine connecting platform 7, pin hole 4 ensures being connected positioning precision and repeating to install positioning precision of ray machine connecting platform 7 and optical mirror 9, unloading erection stress and the thermal stress that carried base board 6 produces mechanical connection platform 5 and ray machine connecting platform 7 is uniformly distributed, prevent concentrating of stress, and be divided into internal layer and outer two-part at the unloading slit 3 unloading on carried base board 6, internal layer is connected with ray machine connecting platform 7, skin is connected with mechanical connection platform 5, the large flexible deformation of these two-part region can will intercept at non-key position compared with macrostructure internal stress or thermal stress on the one hand, prevent the direct transmission of stress energy between its mechanical connection platform 5 and ray machine connecting platform 7, avoid the large stress can be on the impact of reflector precision stability as far as possible, can change structural stress residual between mechanical connection platform 5 and ray machine connecting platform 7 or thermal stress into structural energy by the flexible deformation of self structure on the other hand stores, adaptability and the stability of reflector are increased, simultaneously because unloading slit 3 is circular topology structure, its topological structure axes O
1o
1' with ray machine connecting platform 7 axis coaxles, therefore the ray machine connecting platform 7 being connected with internal layer unloading slit has around unloading slit 3 central axis O
1o
1' rotating micro-displacement, can carry out micrometric displacement compensation to the torsional moment being caused by mechanical connection platform 5, and the antitorque adaptability of this supporting frame is strengthened, and has improved the stability of reflector.This supporting frame ray machine connecting platform 7 has designability along axial direction thickness, by providing suitable axial rigidity to the selection of its thickness, meet the rigidity requirement vertically of this flexible support, and its rigidity perpendicular to axial direction can obtain with the section area that is connected of ray machine connecting platform 7 by suitable selection unloading slit 3 equally, this structure can meet larger rigidity requirement, general its single order resonant frequency can be higher than 300Hz, and acclimation to heat scope can reach ± and 15 DEG C.
When optical mirror is glass material, on flexible support 8, the cylinder of hollow circle contacts cylndrical surface and carries out size and join car with optical mirror 9, matching gap is between 0.01～0.015mm, then flexible support 8 and optical element contact position facing-up, ensure after both area of contact > 85%, evenly be coated with optics epoxy glue GHJ-01 (Z) on both contact position after, be adhesively fixed, the thermal expansion coefficient of flexible support 8 need match with the thermal expansion coefficient of optical mirror 9.
Embodiment three
Flexible support 8 material therefors can be selected invar (Invar) material matching with optical mirror 9 material therefor thermal expansion coefficient, reduce to greatest extent heat and does not mate the impact on optical mirror mirror shape, or select that tensile strength is higher, the better titanium alloy material of processibility.
It is structural member material that this flexible support is selected the invar (Invar) of Beijing aerospace Yin Cai development in science and technology Co., Ltd or the titanium alloy (TC4) of Shenyang Inst. of Metals, Chinese Academy of Sciences, in specific process, carry out repeatedly vacuum aging processing, the inside and outside two-layer unloading slit 3 of this flexible support all adopts the mode of slow wire feeding to carry out line cutting process, the strict surface quality of workpieces of controlling, claimed structure part smooth surface, without tool marks, the cross-section that particularly unloads slit requires its surface finishment at 0.6-0.9, without processing tool marks, in structural member corner with the transition of fillet nature, avoiding forming stress concentrates.
Mechanical connection platform 5 with the connection face of ray machine connecting platform 7 in same plane, plane machining surface figure accuracy requirement≤0.003mm, the optical axis verticality≤0.01mm of plane and optical mirror.Unload carried base board 6 and the ray machine connecting platform 7 of flexible support adopt staggered floor design in the axial direction, and structure axial dimension is shortened, and have increased the parameter of design, select suitable axial parameter can obtain different axial rigidities and axially micrometric displacement mend
repayeffect, is meeting under the prerequisite of optical mirror supporting structure high stability usage requirement, has reduced the axial dimension constraint restriction of optical system, is very suitable for the small light designing requirement of structure.
Claims (3)
1. small-sized high stable multifunctional optical reflector flexible support, comprise: flexible support (8), it is characterized in that, flexible support (8) is the rectangular configuration containing hollow circle, both sides process the mechanical connection platform (5) of the rectangular boss structure of equal width, two ends two mechanical interfaces of each processing (1) of mechanical connection platform (5), along the ray machine connecting platform (7) of hollow circle processing annular boss structure, the bottom surface processing concave volume structure of ray machine connecting platform (7), that between mechanical connection platform (5) and ray machine connecting platform (7), processes concave volume structure unloads carried base board (6), unload the unloading slit (3) of the upper processing of carried base board (6) circular topology structure, topological structure axes O
1o
1' with ray machine connecting platform (7) axis coaxle, unloading slit (3) is divided into internal layer and outer two-part, internal layer is connected with ray machine connecting platform (7), outer is connected with mechanical connection platform (5), skin unloads the line O of center of arc everywhere of slot ends
2o
2' and O
3o
3' mutual angle in 90 ° and intersect at ray machine connecting platform (7) O of center of arc
0, it is upper that ray machine interface (2) and pin hole (4) are positioned at ray machine connecting platform (7), and ray machine interface (2) is 90 ° of distributions, pin hole (4) line of centres and the line O of center of arc
2o
2' angle at 45 °, internal layer unloading slit is divided into five groups, and the unloading slit that is mutually 180 ° of angle intervals is one group, and the line of center of arc everywhere of its end all intersects at ray machine connecting platform (7) O of center of arc
0, five groups of internal layer slits in the O of center of arc
0on the circumference of concentric.
2. small-sized high stable multifunctional optical reflector flexible support according to claim 1, is characterized in that, the convex surface of mechanical connection platform (5) and ray machine connecting platform (7) is in same plane.
3. small-sized high stable multifunctional optical reflector flexible support according to claim 1, is characterized in that, the concave volume structure of ray machine connecting platform (7) bottom surface processing is identical with the recessed height that unloads carried base board (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199455.1A CN102705657B (en) | 2012-06-15 | 2012-06-15 | Flexible support frame for small high-stability multifunctional optical reflector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199455.1A CN102705657B (en) | 2012-06-15 | 2012-06-15 | Flexible support frame for small high-stability multifunctional optical reflector |
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| Publication Number | Publication Date |
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| CN102705657A CN102705657A (en) | 2012-10-03 |
| CN102705657B true CN102705657B (en) | 2014-10-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015112036B4 (en) * | 2015-07-23 | 2017-05-11 | Schott Ag | Monolithic underlay for full surface support of a workpiece |
| CN106324789A (en) * | 2016-10-26 | 2017-01-11 | 中国科学院长春光学精密机械与物理研究所 | Universal large-aperture rigid bearing-type quick reflecting mirror |
| CN106443959A (en) * | 2016-12-07 | 2017-02-22 | 中国科学院长春光学精密机械与物理研究所 | Split type bi-material flexible mechanism of space-based large-calibre high-facial-contour-precision reflector assembly |
| CN108227113A (en) * | 2016-12-10 | 2018-06-29 | 中国科学院长春光学精密机械与物理研究所 | For the adjustment of mirror optics element angle and the device and method of aberration compensation |
| CN110087950B (en) * | 2017-01-10 | 2023-01-31 | 金泰克斯公司 | Ball rack assembly for vehicle |
| EP3376099B1 (en) * | 2017-03-17 | 2019-09-18 | Lumileds Holding B.V. | Led lighting arrangement |
| CN109799594A (en) * | 2019-03-21 | 2019-05-24 | 长光卫星技术有限公司 | A kind of flexible mandrel for eliminating large caliber reflecting mirror adhesive stress |
| CN110231691B (en) * | 2019-07-18 | 2021-03-16 | 长光卫星技术有限公司 | Cross hinge type flexible supporting structure |
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|---|---|---|---|---|
| CN1243262A (en) * | 1999-06-18 | 2000-02-02 | 中国科学院上海技术物理研究所 | Support device for large-aperture optical main mirror for space use |
| CN101566718A (en) * | 2009-06-05 | 2009-10-28 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting structure for the back of reflecting mirror |
| CN102073123A (en) * | 2010-12-27 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Single-point supporting flexible section for small-aperture reflecting mirror of space optical remote sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133704A (en) * | 1999-11-05 | 2001-05-18 | Sony Corp | Optical axis correcting device |
| CN102262281B (en) * | 2011-08-02 | 2012-09-19 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting mechanism for space remote sensor reflector |
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2012
- 2012-06-15 CN CN201210199455.1A patent/CN102705657B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1243262A (en) * | 1999-06-18 | 2000-02-02 | 中国科学院上海技术物理研究所 | Support device for large-aperture optical main mirror for space use |
| CN101566718A (en) * | 2009-06-05 | 2009-10-28 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting structure for the back of reflecting mirror |
| CN102073123A (en) * | 2010-12-27 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Single-point supporting flexible section for small-aperture reflecting mirror of space optical remote sensor |
Non-Patent Citations (1)
| Title |
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| JP特开2001-133704A 2001.05.18 |
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Denomination of invention: Flexible support frame for small high stability multifunctional optical mirror Effective date of registration: 20211125 Granted publication date: 20141015 Pledgee: Agricultural Bank of China Limited Changchun Development Zone sub branch Pledgor: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. Registration number: Y2021220000105 |
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Address after: No. 1299, Mingxi Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Patentee after: Changguang Satellite Technology Co.,Ltd. Address before: No.1759 Mingxi Road, Gaoxin North District, Changchun City, Jilin Province Patentee before: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. |