CN101819307B - Primary structure of large-aperture long-focus collimator - Google Patents
Primary structure of large-aperture long-focus collimator Download PDFInfo
- Publication number
- CN101819307B CN101819307B CN2010101497140A CN201010149714A CN101819307B CN 101819307 B CN101819307 B CN 101819307B CN 2010101497140 A CN2010101497140 A CN 2010101497140A CN 201010149714 A CN201010149714 A CN 201010149714A CN 101819307 B CN101819307 B CN 101819307B
- Authority
- CN
- China
- Prior art keywords
- truss
- vacuum chamber
- supporting
- primary structure
- supporting leg
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Particle Accelerators (AREA)
Abstract
The invention relates to a primary structure of a large-aperture long-focus collimator, which comprises a vibration isolation platform (4), a vacuum chamber (5) and a truss (1) arranged in the vacuum chamber (5). The vacuum chamber (5) is fixed on the vibration isolation platform (4) through support legs (8). The primary structure is characterized in that: the bottom surface of the vacuum chamber (5) is provided with a plurality of through holes (13); supporting legs (2) having the same number as the through holes are arranged on the lower part of the truss (1); the supporting legs (2) pass through corresponding through holes (13) respectively and are supported on the vibration isolation platform; and flexible sealing elements (9) are arranged between the supporting legs (2) and the through holes (13). The primary structure solves the technical problem that a conventional primary structure of the large-aperture long-focus collimator has poor stability and weak anti-jamming capacity; and the primary structure of the large-aperture long-focus collimator has higher optical performance.
Description
Technical field
The present invention relates to a kind of primary structure of large-aperture long-focus collimator, relate in particular to a kind of main structure that higher optics performance requirement, large-aperture long-focus are arranged from the axle parallel light tube.
Background technology
In the manufacturing of optical camera, need test its optical property with parallel light tube usually.For the large-aperture long-focus camera, the clear aperture of the used parallel light tube of needs is not less than the bore of tested camera, and the focal length of parallel light tube is longer than the focal length of tested camera.Therefore, high performance large-aperture long-focus parallel light tube is extremely important to development large-aperture long-focus camera.And the main structure that connects optical element and keep its strict position relation has a significant impact the optical property of large-aperture long-focus parallel light tube, adopts the structural shape of connecting cylinder or optical bench usually, and is placed on the vibration-isolating platform.The fundamental frequency of parallel light tube is high more, and the effect of vibration isolation is good more.
There is following problem in existing primary structure of large-aperture long-focus collimator: one, for fear of the influence of air turbulence, the light path of large-aperture long-focus parallel light tube just places vacuum chamber with main structure and optical element, main structure and vacuum chamber are integrated, or with vacuum chamber between adopt and directly be connected firmly, though this dual mode is simple in structure, but the distortion of vacuum chamber will directly influence the distortion of main structure, and then will influence the aligning of optical element.Two, adopt between existing vibration-isolating platform and the truss and be connected firmly, can't avoid the influence of the distortion of vibration-isolating platform truss.
In a word, existing primary structure of large-aperture long-focus collimator is a little less than poor stability, the antijamming capability.
Summary of the invention
In order to solve the technical matters a little less than existing primary structure of large-aperture long-focus collimator poor stability, the antijamming capability, the invention provides a kind of main structure with higher optical property, large-aperture long-focus from the axle parallel light tube.
Technical solution of the present invention is:
A kind of primary structure of large-aperture long-focus collimator, comprise vibration-isolating platform 4, vacuum chamber 5 and be arranged on truss 1 in the vacuum chamber 5, described vacuum chamber 5 is fixed on the vibration-isolating platform 4 by leg 8, its special character is: the bottom surface of described vacuum chamber 5 is provided with a plurality of through holes 13, described truss 1 below is provided with and the corresponding supporting leg 2 of number of openings, described supporting leg 2 is supported on the vibration-isolating platform after passing corresponding through hole 13 respectively, is provided with flexible seals 9 between described supporting leg 2 and the through hole 13.
Above-mentioned supporting leg 2 comprises supporting linkage 23, be arranged on the some connector 21 of supporting linkage 23 upper ends, be arranged on the face connector 22 of supporting linkage 23 lower ends, described supporting linkage 23 is step-like cylindrical structure, and its middle part diameter is greater than the both ends diameter.
Above-mentioned flexible seals 9 is a metallic bellows.
The quantity of above-mentioned supporting leg 2 is six, and wherein two supporting legs 2 are arranged on truss 1 below front left side, and two other supporting leg 2 is arranged on truss 1 below forward right side, and all the other two supporting legs 2 are symmetricly set on truss 1 below rear side.
Two supporting leg 2 concurrents of above-mentioned front left side support and constitute the twin mast support; Two supporting leg 2 concurrents of described forward right side support and constitute twin mast; The axis extended line of two supporting legs 2 of described rear side intersects, and constitutes the separate type twin mast.
Above-mentioned vacuum chamber is provided with parallel light emergence window 6 and light source incidence window 7.
The beneficial effect that the present invention is compared with prior art had:
1, antijamming capability is strong.Truss of the present invention is not connected firmly with vacuum chamber, has avoided the influence of vacuum chamber distortion to truss, has strengthened antijamming capability, and has connected supporting leg and vacuum chamber by the corrugated tube soft seal, reduces distortion and transmits.
2, fundamental frequency height.The truss of parallel light tube main structure of the present invention is an enclosed construction, and higher rigidity is arranged, and the single order resonance frequency is higher, is beneficial to the vibration-isolating platform vibration isolation.
3, good stability.Parallel light tube truss-frame structure support member of the present invention adopts three secondary twin masts to install, forming static determinacy together by six supporting legs supports, and the thin variable-diameter structure in thick two in the middle of the connecting link of each supporting leg all has, increase flexible, can avoid the vibration-isolating platform distortion to be delivered to truss like this, improve stability.
Description of drawings
Fig. 1 is the structural representation of truss-frame structure of the present invention and supporting leg;
Fig. 2 is placed on structural representation in the vacuum chamber for truss of the present invention;
Fig. 3 is the cross-sectional profile synoptic diagram of structure of the present invention along two supporting leg places of rear side.
Reference numeral is as follows: 1-truss, 11-connecting link, 12-abutment ring, the 13-through hole, 2-supporting leg, 21-point connector, 22-face connector, 23-supporting linkage, 30-principal reflection mirror, the 31-secondary mirror, 32-folding axle catoptron, the 33-light source is regulated parts, the 4-vibration-isolating platform, 5-vacuum chamber, 6-parallel light emergence window, the 7-incidence window, 8-leg, 9-flexible seals.
Embodiment
Referring to Fig. 1, Fig. 2, a kind of primary structure of large-aperture long-focus collimator, comprise vacuum chamber 5, be arranged on truss 1 and vibration-isolating platform 4 in the vacuum chamber 5, truss 1 is supported on the vibration-isolating platform 4 by supporting leg 2, vacuum chamber 5 is supported on the vibration-isolating platform 4 by leg 8, is not connected between truss and the vacuum chamber.
The internal diameter of through hole 13 is greater than the external diameter of supporting leg.
Truss is made up of the jack truss of five sections series connection, and each section is made up of 12 connecting links 11 and two adjacent abutment rings 12.On the abutment ring that principal reflection mirror 30 is installed at one end, the abutment ring of the truss other end is provided with secondary mirror 31, and the abutment ring of the centre of truss is provided with folding axle catoptron 32.
Be provided with on an end vacuum chamber 5 of secondary mirror and allow the parallel light emergence window 6 of parallel light emergence, the vacuum chamber middle part is being provided with incidence window 7 with folding axle catoptron 32 corresponding positions, and what be connected with incidence window is light source adjusting parts 33.
Supporting leg 2 comprise a connector 21, face connector 22 and be arranged on a connector 21 and face connector 22 between supporting linkage 23, thick two are thin in the middle of the supporting linkage 23.Flexibility by reducing increase supporting leg 2 two ends is delivered to truss 1 with the distortion of avoiding vibration-isolating platform 4 by supporting leg 2.
Referring to Fig. 3, the connecting link 11 of the three pairs of supporting legs 2 and supporting light sources parts passes vacuum chamber 5, is connected with the vacuum chamber soft seal by corrugated tube.Form the supporting construction of three secondary twin masts, guarantee the stability of truss, and connect, separate the transmission of vacuum chamber distortion, strengthened antijamming capability to truss by the corrugated tube soft seal.
Claims (3)
1. primary structure of large-aperture long-focus collimator, comprise vibration-isolating platform (4), vacuum chamber (5) and be arranged on truss (1) in the vacuum chamber (5), described vacuum chamber (5) is fixed on the vibration-isolating platform (4) by leg (8), it is characterized in that: the bottom surface of described vacuum chamber (5) is provided with a plurality of through holes (13), described truss (1) below is provided with and the corresponding supporting leg of number of openings (2), described supporting leg (2) is supported on the vibration-isolating platform after passing corresponding through hole (13) respectively, be provided with flexible seals (9) between described supporting leg (2) and the through hole (13), the quantity of described supporting leg (2) is six, wherein two supporting legs (2) are arranged on truss (1) below front left side, two other supporting leg (2) is arranged on truss (1) below forward right side, all the other two supporting legs (2) are symmetricly set on truss (1) below rear side, and two supporting legs of described front left side (2) concurrent supports and constitutes the twin mast support; Two supporting legs of described forward right side (2) concurrent supports and constitutes twin mast; The axis extended line of two supporting legs of described rear side (2) intersects, and constitutes the separate type twin mast.
2. primary structure of large-aperture long-focus collimator according to claim 1, it is characterized in that: described supporting leg (2) comprises supporting linkage (23), be arranged on supporting linkage (23) upper end some connector (21), be arranged on the face connector (22) of supporting linkage (23) lower end, described supporting linkage (23) is step-like cylindrical structure, and its middle part diameter is greater than the both ends diameter.
3. primary structure of large-aperture long-focus collimator according to claim 1 and 2 is characterized in that: described flexible seals (9) is a metallic bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101497140A CN101819307B (en) | 2010-04-19 | 2010-04-19 | Primary structure of large-aperture long-focus collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101497140A CN101819307B (en) | 2010-04-19 | 2010-04-19 | Primary structure of large-aperture long-focus collimator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101819307A CN101819307A (en) | 2010-09-01 |
| CN101819307B true CN101819307B (en) | 2011-08-10 |
Family
ID=42654469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101497140A Expired - Fee Related CN101819307B (en) | 2010-04-19 | 2010-04-19 | Primary structure of large-aperture long-focus collimator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101819307B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840966B (en) * | 2012-09-20 | 2015-03-25 | 南京中科天文仪器有限公司 | Fully-sealed collimator structure |
| CN106287151B (en) * | 2016-09-07 | 2018-05-15 | 中国科学院长春光学精密机械与物理研究所 | Space optical remote sensor and its support device |
| CN108534992B (en) * | 2018-03-15 | 2019-06-07 | 华中科技大学 | A kind of parallel light tube multi-dimensional regulation device and dress tune up adjusting method |
| CN108594396B (en) * | 2018-06-08 | 2023-09-05 | 中国科学院西安光学精密机械研究所 | Supporting structure and method for quasi-zero expansion space optical remote sensor |
| CN109739064B (en) * | 2018-12-29 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Embedded truss and diaphragm integrated structure of space remote sensing camera |
| CN110261993A (en) * | 2019-06-20 | 2019-09-20 | 北京大学 | Four-dimensional optics adjusts mirror holder, its adjusting method and optical system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201681195U (en) * | 2010-04-19 | 2010-12-22 | 中国科学院西安光学精密机械研究所 | Heavy caliber long focus collimator main structure |
-
2010
- 2010-04-19 CN CN2010101497140A patent/CN101819307B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201681195U (en) * | 2010-04-19 | 2010-12-22 | 中国科学院西安光学精密机械研究所 | Heavy caliber long focus collimator main structure |
Non-Patent Citations (3)
| Title |
|---|
| R.M.Bell,et al.LOTIS at completion of Collimator integration.《Proceedings of the SPIE》.2008,第7017卷1-13. * |
| Tock, J. P.,et al.Focal X: a Test Facility for X-Ray Telescopes.《Proceedings of the Third International Symposium》.1997,163-169. * |
| 吴国栋等.大口径、长焦距平行光管装调技术研究.《光学技术》.2009,第35卷(第5期),781-787. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101819307A (en) | 2010-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101819307B (en) | Primary structure of large-aperture long-focus collimator | |
| CN109633859A (en) | A kind of large-aperture optical reflecting mirror with back flexible support structure | |
| CN103400605B (en) | Pop-up lens hood | |
| US11531219B2 (en) | Optical module having externally-mounted magnetic ring and chip positioning angle and pressing block structure thereof | |
| CN105445894A (en) | Secondary mirror supporting structure | |
| EP2267500A3 (en) | Structure and method for aligning fibre optics and submicronic waveguide | |
| CN102720994A (en) | Backlight module and liquid crystal display device | |
| CN102854632A (en) | Laser light source collimating device, collimating device array, lighting system and projection equipment | |
| CN201681195U (en) | Heavy caliber long focus collimator main structure | |
| CN102216848A (en) | Pseudo light pipe for coupling of light for dual paraboloid reflector (DPR) system | |
| CN103487898A (en) | Optical path switching module and optical fiber coupling connector | |
| CN102955228B (en) | Machine vision imaging lens structure | |
| CN205539886U (en) | Camera lens fixed knot of projector constructs and uses its ultrashort burnt projector | |
| CN205206078U (en) | Cross arrangement buckling restrained brace and building that has this support | |
| CN104407418A (en) | Lens optical fiber array coupling part | |
| CN203012191U (en) | Light emitting assembly | |
| US9638863B2 (en) | Furcating optical coupling devices and furcation systems incorporating the same | |
| CN203967497U (en) | There is the carbon dioxide laser of plane plate-like flexible supporting frames | |
| CN104092085A (en) | Carbon dioxide laser with planar-disc-shaped elastic supporting frame | |
| CN205301684U (en) | Secondary mirror bearing structure | |
| CN103852836A (en) | Photoelectric conversion device | |
| CN203502622U (en) | 2*2 mechanical optical switch | |
| CN209523607U (en) | A kind of window frame mounting structure of past center squash type | |
| CN103235387B (en) | A kind of compact array high throughput large-aperture optical focuses on and frequency conversion system | |
| CN203967498U (en) | A kind of plane plate-like flexible supporting frames for carbon dioxide laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |