CN102705657A - 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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- CN102705657A CN102705657A CN2012101994551A CN201210199455A CN102705657A CN 102705657 A CN102705657 A CN 102705657A CN 2012101994551 A CN2012101994551 A CN 2012101994551A CN 201210199455 A CN201210199455 A CN 201210199455A CN 102705657 A CN102705657 A CN 102705657A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 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
- 239000011521 glass Substances 0.000 description 6
- 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
- 230000008646 thermal stress Effects 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000007704 transition Effects 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 flexible supporting frame of a kind of small-sized high stable multifunctional optical reflector that relates in the space optics technical field.
Background technique
Flexible supporting frame is to be out of shape a kind of passive regulation structure of isolating or reducing because of factors such as operating ambient temperature variation, erection stresses optical reflecting mirror shape precision to be had a negative impact through flexible link.That this class formation has is simple in structure, it is sluggish not have, do not have the advantage of the influence of the various rugged environment of creeping, can stand the space, is widely used at present in the supporting structure of reflective optic reflector in the 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.The prior art the most approaching with the present invention; Be U.S. Paul R.Yoder, Jr. work Opto-Mechanical Systems Design (optical-mechanical system design, the third edition; Zhou Haixian, Cheng Yunfang translates) the flexible support device of metallic mirror shown in the 604th page of Figure 13-55.The maximum shortcoming of this flexible structure is that it is only applicable to reflector and supporting structure is the integrated design of metallic material of the same race; The purposes of flexible structure and size are seriously limited; And this kind flexible structure complicacy; Difficulty of processing is big, 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 the same material reflector in order to solve above-mentioned supporting mechanism; Purposes and size-constrained problem the invention provides the flexible supporting frame of a kind of small-sized high stable multifunctional optical reflector, comprising: flexible supporting frame; Flexible supporting frame is the rectangular configuration that contains the hollow circle; The rectangular boss construction machine that both sides process equal width connects platform, and the two ends of mechanical connection platform respectively process two mechanical interfaces, connects platform along hollow circle processing annular boss structure ray machine; Ray machine connect platform bottom surface processing concave volume structure; Processing concave volume structure is unloaded carried base board between mechanical connection platform and the ray machine connection platform, unloads the unloading slit of processing circular topology structure on the carried base board, the topological structure axes O
1O
1' being connected the platform axis coaxle with ray machine, the unloading slit is divided into internal layer and outer two-part, and internal layer is connected platform and connects with ray machine, and skin is connected with the mechanical connection platform, the line O of center of arc everywhere of outer unloading slot ends
2O
2' and O
3O
3' be mutually 90 ° of angles and hand in the ray machine connection platform O of center of arc
0, the ray machine interface is positioned at ray machine with pin hole and is connected on the platform, and the ray machine interface is 90 ° of distributions, the pin hole line of centres and axes O
2O
245 ° of angles of ' one-tenth; Internal layer unloading slit is divided into five groups, and to be mutually 180 ° of angles unloading slit at interval be one group, and its terminal line of center of arc everywhere all intersects at ray machine and connects the platform O of center of arc
0
Good effect of the present invention:
1. the integrated form design that adopts of this flexible supporting frame metallic absorption supporting structure different from the past; This flexible supporting frame is the split type design that is connected with mirror body; Applicable to the support requirement of material space reflectors such as metal, glass, SiC, Applicable scope is wider, and adaptability is stronger;
2. the selection of this flexible supporting frame material therefor is more versatile and flexible; Can be according to what of the quality of the difference of mirror base, Environmental Conditions, processing cost; Select heat to mate the structural material better, that intensity is better, workability is good, the more convenient and saving of feasible design and course of working;
3. this flexible support frame structure is simple; It is extremely easy to process, and has avoided the caused manufacturing difficult problem of integrated structure, can significantly reduce the structural member processing cost; Shorten the process-cycle; The processing mode of this supporting frame flexible structure simplicity can improve its Security and reliability greatly simultaneously, and this is an extremely important performance assessment criteria in the development of space item;
4. this flexible support frame structure and size are not limited by reflector; The design variable simple controllable; 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 satisfy the usage requirement of optical mirror bearing of optical axis high stability simultaneously;
5. this flexible supporting frame has adopted split type plane structure; Under the prerequisite that satisfies the usage requirement of optical mirror supporting structure high stability; The 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.
Description of drawings
Fig. 1 is the structural representation of the flexible supporting frame of small-sized high stable multifunctional optical reflector;
Fig. 2 is the sectional view of the flexible supporting frame of small-sized high stable multifunctional optical reflector;
Fig. 3 is that the flexible supporting frame of small-sized high stable multifunctional optical reflector is connected schematic representation with metallic absorption/SiC reflector screw;
Fig. 4 is that the flexible supporting frame of small-sized high stable multifunctional optical reflector is connected schematic representation with the glass reflector gummed;
Fig. 5 is small-sized flexible supporting frame of high stable multifunctional optical reflector and glass reflector cemented surface sectional view;
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
Embodiment one
Shown in Fig. 1-2, the flexible supporting frame of small-sized high stable multifunctional optical reflector comprises: flexible supporting frame 8; Flexible supporting frame 8 is for containing the rectangular configuration of hollow circle; The rectangular boss construction machine that both sides process equal width connects platform 5, and the two ends of mechanical connection platform 5 respectively process two mechanical interfaces 1, connects platform 7 along hollow circle processing annular boss structure ray machine; Ray machine connects 7 bottom surface processing concave volume structure of platform; Processing concave volume structure is unloaded carried base board 6 between mechanical connection platform 5 and the ray machine connection platform 7, unloads the unloading slit 3 of processing circular topology structure on the carried base board 6, the topological structure axes O
1O
1' being connected platform 7 axis coaxles with ray machine, unloading slit 3 is divided into internal layer and outer two-part, and internal layer is connected platform 7 and connects with ray machine, and skin is connected with mechanical connection platform 5, the line O of center of arc everywhere of outer unloading slot ends
2O
2' and O
3O
3' be mutually 90 ° of angles and hand in ray machine connection platform 7 O of center of arc
0, ray machine interface 2 is positioned at ray machine with pin hole 4 and is connected on the platform 7, and ray machine interface 2 is 90 ° of distributions, pin hole 4 lines of centres and axes O
2O
245 ° of angles of ' one-tenth; Internal layer unloading slit is divided into five groups, and to be mutually 180 ° of angles unloading slit at interval be one group, and its terminal line of center of arc everywhere all intersects at ray machine and connects platform 7 O of center of arc
0 Mechanical connection platform 5 is connected platform 7 with ray machine convex surface is in the same plane, and the concave volume structure that ray machine connects the processing of platform 7 bottom surfaces is identical with the recessed height that unloads carried base board 6.
As shown in Figure 3, flexible supporting frame 8 and optical mirror 9 are connected through screw, and optical mirror 9 is metallic absorption or SiC reflector.
As shown in Figure 4, flexible supporting frame 8 is connected through gummed with optical mirror 9, and optical mirror 9 is a glass mirror.
As shown in Figure 5, when optical mirror 9 is glass mirror, the sectional view that flexible supporting frame 8 is connected with optical mirror 9 gummeds.
Embodiment two
Flexible supporting frame 8 adopts with optical mirror 9 and divides body structure; Workability and versatility have been increased; When optical mirror is metal or SiC material, is connected between flexible supporting frame and the optical mirror 9 and is connected platform 7 with ray machine through ray machine interface 2, pin hole 4 and connects, what pin hole 4 guaranteed that ray machines connect platforms 7 and optical mirror 9 is connected Location accuracy and repetition installing and locating precision; Unloading 6 pairs of mechanical connection platforms 5 of carried base board is connected erection stress and the thermal stress that platform 7 produces and has carried out even distribution with ray machine; Prevent concentrating of stress, and be divided into internal layer and outer two-part that internal layer is connected platform 7 and connects with ray machine at the unloading slit 3 that unloads on the carried base board 6; Skin is connected with mechanical connection platform 5; The big flexible deformation of these two-part zone can prevent that its mechanical connection platform 5 is connected the direct transmission of 7 stress abilities of platform with ray machine with intercepting at non-key position than macrostructure internal stress or thermal stress on the one hand, avoids the big stress can be to the influence of reflector precision stability as far as possible; Flexible deformation that on the other hand can be through self structure connects structural stress residual between the platform 7 or thermal stress with mechanical connection platform 5 and ray machine and changes structural energy into and store; Increased the adaptability and the stability of reflector, simultaneously because unloading slit 3 is the circular topology structure, its topological structure axes O
1O
1' be connected platform 7 axis coaxles with ray machine, so connecting platform 7, the ray machine that is connected with internal layer unloading slit has around unloading slit 3 central axis O
1O
1' rotating micro-displacement can carry out the micrometric displacement compensation to the torsional moment that is 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 connects platform 7 and has designability along axial direction thickness; Selection through to its thickness can provide suitable axial rigidity; Satisfy the rigidity requirement vertically of this flexible supporting frame, and its rigidity perpendicular to axial direction can obtain equally through suitable selection unloading slit 3 is connected platform 7 with ray machine connection section area, this structure can satisfy big rigidity requirement; General its single order resonant frequency can be higher than 300Hz, and the acclimation to heat scope can reach ± and 15 ℃.
When optical mirror is glass material; The cylinder of hollow circle contacts the cylndrical surface and carries out size and join car on the flexible supporting frame 8 with optical mirror 9; Matching gap is between 0.01 ~ 0.015mm, flexible then supporting frame 8 and optical element contact position facing-up, guarantee both area of contact＞85% after; After evenly being coated with optics epoxy glue GHJ-01 (Z) on both contact position, be adhesively fixed, the thermal expansion coefficient of flexible supporting frame 8 needs to be complementary with the thermal expansion coefficient of optical mirror 9.
Embodiment three
Flexible supporting frame 8 material therefors can be selected invar (Invar) material that is complementary with optical mirror 9 material therefor thermal expansion coefficient for use; Reduce heat to greatest extent and does not match, or select that tensile strength is higher, the better titanium alloy material of processibility for use the influence of optical mirror minute surface face shape.
It is the structural member material that this flexible supporting frame is selected the invar (Invar) of Beijing material development in science and technology Co., Ltd of the aerospace Yin Dynasty or the titanium alloy (TC4) of Shenyang Inst. of Metals, Chinese Academy of Sciences for use; In concrete course of working, carrying out repeatedly vacuum aging handles; Two-layer unloading slit 3 all adopts the mode of the silk of being careful to carry out the line cutting process inside and outside this flexible supporting frame, strict control surface quality of workpieces, claimed structure spare smooth surface, no tool marks; The cross-section that particularly unloads slit requires its surface finishment at 0.6-0.9; Do not have the processing tool marks, with the transition of fillet nature, avoid forming stress and concentrate in structural member corner.
Claims (3)
1. the flexible supporting frame of small-sized high stable multifunctional optical reflector; Comprise: flexible supporting frame (8); It is characterized in that flexible supporting frame (8) is for containing the rectangular configuration of hollow circle, both sides process the mechanical connection platform (5) of the rectangular boss structure of equal width; The two ends of mechanical connection platform (5) respectively process two mechanical interfaces (1); Ray machine along hollow circle processing annular boss structure connects platform (7), and ray machine connects the bottom surface processing concave volume structure of (7) of platform, mechanical connection platform (5) and ray machine connect process the concave volume structure between the platform (7) unload carried base board (6); Unload carried base board (6) and go up the unloading slit (3) of processing circular topology structure, topological structure axes O
1O
1' being connected platform (7) axis coaxle with ray machine, unloading slit (3) is divided into internal layer and outer two-part, and internal layer is connected platform (7) and connects with ray machine, and skin is connected with mechanical connection platform (5), the line O of center of arc everywhere of outer unloading slot ends
2O
2' and O
3O
3' be mutually 90 ° of angles and intersect at ray machine connection platform (7) O of center of arc
0, ray machine interface (2) is positioned at ray machine with pin hole (4) and is connected on the platform (7), and ray machine interface (2) is 90 ° of distributions, pin hole (4) line of centres and axes O
2O
245 ° of angles of ' one-tenth; Internal layer unloading slit is divided into five groups, and to be mutually 180 ° of angles unloading slit at interval be one group, and its terminal line of center of arc everywhere all intersects at ray machine and connects platform (7) O of center of arc
0, five groups of internal layer slits are in the O with center of arc
0On the circumference of concentric.
2. according to the flexible supporting frame of the said small-sized high stable multifunctional optical reflector of claim 1, it is characterized in that mechanical connection platform (5) is connected platform (7) with ray machine convex surface is in the same plane.
3. according to the flexible supporting frame of the said small-sized high stable multifunctional optical reflector of claim 1, it is characterized in that the concave volume structure that ray machine connects the processing of platform (7) bottom surface is identical with the recessed height that unloads carried base board (6).
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| CN102705657A true CN102705657A (en) | 2012-10-03 |
| CN102705657B CN102705657B (en) | 2014-10-15 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106371190A (en) * | 2015-07-23 | 2017-02-01 | 肖特股份有限公司 | A monolithic support for overall supporting of a workpiece |
| 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 |
| KR20180106962A (en) * | 2017-03-17 | 2018-10-01 | 루미리즈 홀딩 비.브이. | 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 |
| CN110087950A (en) * | 2017-01-10 | 2019-08-02 | 金泰克斯公司 | Ball-collecting rack component for vehicle |
| CN110231691A (en) * | 2019-07-18 | 2019-09-13 | 长光卫星技术有限公司 | A kind of intersection hinge type flexible support structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371190A (en) * | 2015-07-23 | 2017-02-01 | 肖特股份有限公司 | A monolithic support for overall supporting 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 |
| CN110087950A (en) * | 2017-01-10 | 2019-08-02 | 金泰克斯公司 | Ball-collecting rack component for vehicle |
| CN110087950B (en) * | 2017-01-10 | 2023-01-31 | 金泰克斯公司 | Ball rack assembly for vehicle |
| KR20180106962A (en) * | 2017-03-17 | 2018-10-01 | 루미리즈 홀딩 비.브이. | Led lighting arrangement |
| CN108626586A (en) * | 2017-03-17 | 2018-10-09 | 亮锐控股有限公司 | LED light device |
| CN108626586B (en) * | 2017-03-17 | 2021-11-23 | 亮锐控股有限公司 | LED lighting device |
| KR102543885B1 (en) | 2017-03-17 | 2023-06-16 | 루미리즈 홀딩 비.브이. | 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 |
| CN110231691A (en) * | 2019-07-18 | 2019-09-13 | 长光卫星技术有限公司 | A kind of intersection hinge type flexible support structure |
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| CN102705657B (en) | 2014-10-15 |
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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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