CN105022136A - Back supporting mechanism of reflector in aerial remote sensing camera - Google Patents
Back supporting mechanism of reflector in aerial remote sensing camera Download PDFInfo
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- CN105022136A CN105022136A CN201510414960.7A CN201510414960A CN105022136A CN 105022136 A CN105022136 A CN 105022136A CN 201510414960 A CN201510414960 A CN 201510414960A CN 105022136 A CN105022136 A CN 105022136A
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- catoptron
- flexible support
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- remote sensing
- sensing camera
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Abstract
The invention belongs to the technical field of aviation optics, and specifically relates to a back supporting mechanism of a reflector in an aerial remote sensing camera. The supporting mechanism includes bolt bars, spherical hinges, a flexible supporting piece, flexible support bars and a supporting backboard; the two flexible support bars are located between the reflector and the supporting backboard, the flexible supporting piece is mounted opposite to a bolt support bar, and the structure has relatively good structural stiffness on the premise of guaranteeing surface figure accuracy, is convenient to assemble and adjust, and can effectively reduce influence of temperature variation on the surface figure accuracy.
Description
Technical field
The invention belongs to aviation optical technical field, be specifically related to a kind of back support mechanism for catoptron in aerial remote sensing camera.
Background technology
Catoptron is the optical element of most critical in aerial remote sensing camera optical system, and its surface figure accuracy has a direct impact image quality.Aerial remote sensing camera will bear carrier aircraft vibration in the course of the work, bear the impact of the wide temperature variation generation of aviation again, and will ensure optical component surface shape precision and the positional precision of optical system.Therefore require that the supporting mechanism of catoptron will ensure the position of catoptron and the stability of surface figure accuracy, simultaneously under wide temperature variation environment, the impact of supporting construction thermal deformation on surface figure accuracy can be effectively reduced.
For the catoptron that aerial remote sensing camera physical dimension is less, can surrounding supporting structure be adopted to support, namely the flexible support mechanism matched with catoptron linear expansion coefficient be supported at mirror peripheral.When bore is larger, under the aviation thermal environment of complexity, its thermal stability is unsatisfactory.Temperature variation is deteriorated causing the surface figure accuracy of mirror mirror, affects the image quality of optical system.Therefore, designing the mirror support mechanism that specific stiffness is high, hot adaptability is strong is one of gordian technique of high resolving power aerial remote sensing camera.
Summary of the invention
In order to overcome the defect that prior art exists, the object of the invention is to provide one to have good Dynamic and static stiffness, the parts be connected with catoptron can be effectively reduced have an impact to surface figure accuracy under wide temperature variation, mirror shape change that vibration environment causes can be solved, for the back support mechanism of catoptron in aerial remote sensing camera simultaneously.
In order to solve the problems of the technologies described above, technical scheme of the present invention is specific as follows:
A back support mechanism for catoptron in aerial remote sensing camera, comprising: supporting back board, flexible support sheet, body of bolt, ball pivot, transition bolt, flexible support bar;
Described flexible support sheet is fixedly mounted in supporting back board, is connected with body of bolt by ball pivot with catoptron;
Described body of bolt is connected with supporting back board by one end ball pivot, and the other end is connected with catoptron;
Described flexible support bar, between catoptron and supporting back board, is mounted opposite; Flexible support bar one end is fixed in supporting back board by nut, and the other end is installed on the mirror by transition bolt; Flexible support bar one end is fixed in supporting back board by nut, and the other end is installed on the mirror by transition bolt.
In technique scheme, described flexible support sheet is class spring sheet-like structure, and thickness is 0.6-1mm.
In technique scheme, the diameter of described flexible support bar is 0.6-1mm, and length is 5-15mm.
In technique scheme, supporting back board and catoptron have four strong points in the axial direction, for mirror axis to location, four strong points are uniformly at intervals in 90 °.
The present invention has following beneficial effect:
Back support mechanism for catoptron in aerial remote sensing camera of the present invention is under the prerequisite of the optical component surface shape precision ensured required by optical system and status requirement, there is the good rigidity of structure, distortion with its link under wide temperature variation changes can be effectively reduced to the precision of the reflecting mirror surface shape precision that it supports, be easy to processing and debug.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the back support mechanism 3-D solid structure schematic diagram of catoptron in a kind of aerial remote sensing camera of the present invention.
Fig. 2 is the vertical view of the back support mechanism of catoptron in a kind of aerial remote sensing camera of the present invention.
Fig. 3 is that the E of the back support mechanism of catoptron in a kind of aerial remote sensing camera shown in Fig. 2 is to cut-open view.
Fig. 4 is that the F of the back support mechanism of catoptron in a kind of aerial remote sensing camera shown in Fig. 2 is to cut-open view.
Reference numeral in figure is expressed as:
1, supporting back board; 2, flexible support sheet; 3, catoptron; 4, body of bolt; 5, ball pivot; 6, nut; 7, ball pivot; 8, body of bolt; 9, body of bolt; 10, transition bolt; 11, flexible support bar; 12, nut; 13, nut; 14, flexible support bar; 15, transition bolt.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
The invention provides the back support mechanism of catoptron in a kind of aerial remote sensing camera, as Figure 1-Figure 4, comprising: supporting back board 1; Flexible support sheet 2; Body of bolt 4, body of bolt 8 and body of bolt 9; Ball pivot 5 and ball pivot 7; Nut 6, nut 12 and nut 13; Transition bolt 10 and transition bolt 15; Flexible support bar 11 and flexible support bar 14.Wherein, body of bolt 4 matches with nut 6; Body of bolt 8 matches with ball pivot 7 and body of bolt 9; Transition bolt 10 and transition bolt 15 match with nut 12 and nut 13 respectively; Flexible support bar 11 is between catoptron 3 and supporting back board 1, and flexible support bar 14 and flexible support bar 11 are mounted opposite, and flexible support sheet 2 is fixedly mounted in supporting back board 1, is connected with body of bolt 9 by ball pivot 7 with catoptron 3; Body of bolt 4 is connected with supporting back board 1 by ball pivot 5, and the other end is connected with catoptron 3.Supporting back board 1 and catoptron 3 have 4 strong points in the axial direction, uniformly at intervals in 90 °.
Principle of work illustrates:
Body of bolt 4 one end in back support mechanism of the present invention is connected with catoptron, the other end is connected in supporting back board 1 by ball pivot 5, ball pivot 5 can retrain three translational degree of freedom, has three rotational freedoms, plays the effect of location and raising mirror support assembly rigidity; Flexible support sheet 2 is fixedly mounted in supporting back board 1, be connected with body of bolt 9 by ball pivot 7, body of bolt 9 other end is connected with catoptron 3, and flexible support sheet 2 can retrain two translational degree of freedom, has the translational degree of freedom of three rotational freedom body of bolt 4 relative to; Flexible support bar 11 one end is connected with supporting back board 1, one end is connected with catoptron 3 by transition bolt 10, flexible support bar 14 one end is connected with supporting back board 1, one end is connected with catoptron 3 by transition bolt 15, flexible support bar has three rotational freedoms and three translational degree of freedom, spacing between flexible support bar 11 and transition bolt 10, the spacing between flexible support bar 14 and transition bolt 15 can regulate, and conveniently debugs fast catoptron 3; Flexible support sheet 2 and flexible support bar 11, flexible support bar 14 can unload the stress that rigging error is brought, buffering vibration while ensureing dynamic and static rigidity, reduce temperature variation to the impact of mirror shape.
In the present embodiment, the material of transition bolt 10 and transition bolt 15 is TC4 material; The diameter of flexible support bar 11 and flexible support bar 14 is respectively 0.8mm, and length is respectively 10mm; Flexible support sheet 2 is class chip architecture of the spring, and its thickness is 0.8mm, and width is 20mm.
In other embodiment, the width of flexible support sheet can also be other numerical value within the scope of 10-30cm, and thickness is other numerical value within the scope of 0.6-1mm; The diameter of flexible support bar 11, flexible support bar 14 can also be other numerical value within the scope of 0.6-1mm respectively, and length can also be other numerical value within the scope of 5-15mm respectively, repeats no more here.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (4)
1. the back support mechanism of catoptron in an aerial remote sensing camera, it is characterized in that, comprising: supporting back board (1), flexible support sheet (2), body of bolt (4,9), ball pivot (5,7), transition bolt (10,15), flexible support bar (11,14);
Described flexible support sheet (2) is fixedly mounted in supporting back board (1), is connected with body of bolt (9) by ball pivot (7) with catoptron (3);
Described body of bolt (4) is connected with supporting back board (1) by one end ball pivot (5), and the other end is connected with catoptron (3);
Described flexible support bar (11,14) is positioned between catoptron (3) and supporting back board (1), is mounted opposite; Flexible support bar (11) one end is fixed in supporting back board (1) by nut (12), and the other end is arranged on catoptron (3) by transition bolt (10); Flexible support bar (14) one end is fixed in supporting back board (1) by nut (3), and the other end is arranged on catoptron (3) by transition bolt (15).
2. the back support mechanism of catoptron in aerial remote sensing camera according to claim 1, it is characterized in that, described flexible support sheet (2) is class spring sheet-like structure, and thickness is 0.6-1mm.
3. the back support mechanism of catoptron in aerial remote sensing camera according to claim 1, it is characterized in that, the diameter of described flexible support bar (11,14) is 0.6-1mm, and length is 5-15mm.
4. the back support mechanism of catoptron in aerial remote sensing camera according to claim 1, it is characterized in that, supporting back board (1) and catoptron (3) have four strong points in the axial direction, for the location that catoptron (3) is axial, four strong points are uniformly at intervals in 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414960.7A CN105022136B (en) | 2015-07-15 | 2015-07-15 | The back support mechanism of speculum in a kind of aerial remote sensing camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510414960.7A CN105022136B (en) | 2015-07-15 | 2015-07-15 | The back support mechanism of speculum in a kind of aerial remote sensing camera |
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| CN105022136A true CN105022136A (en) | 2015-11-04 |
| CN105022136B CN105022136B (en) | 2017-06-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104678533A (en) * | 2015-02-13 | 2015-06-03 | 中国科学院长春光学精密机械与物理研究所 | Ground gravity unloading support method for large spatial reflector |
| CN105717607A (en) * | 2016-04-01 | 2016-06-29 | 中国科学院光电研究院 | Four-point flexible supporting device for optical load |
| CN106371191A (en) * | 2016-11-28 | 2017-02-01 | 长光卫星技术有限公司 | Flexible support structure of light optical reflector |
| CN107037558A (en) * | 2017-05-23 | 2017-08-11 | 中国工程物理研究院激光聚变研究中心 | A kind of support system and method for big radius-thickness ratio optical element |
| CN109471236A (en) * | 2018-12-25 | 2019-03-15 | 中国科学院长春光学精密机械与物理研究所 | The positioning component of the back support of optical sensor reflecting mirror |
| CN109521546A (en) * | 2018-12-14 | 2019-03-26 | 中国科学院西安光学精密机械研究所 | Micro-stress supporting structure of large-caliber collimator reflector |
| CN109932804A (en) * | 2019-03-04 | 2019-06-25 | 杭州电子科技大学 | A kind of flexible memory alloy support device of small-bore lightweight mirror |
| CN112560297A (en) * | 2019-09-26 | 2021-03-26 | 中国科学院长春光学精密机械与物理研究所 | Variable-rigidity reflector support design method |
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| JP2004013010A (en) * | 2002-06-10 | 2004-01-15 | Mitsubishi Electric Corp | Reflector for optical instrument loaded on satellite |
| US20050219723A1 (en) * | 2004-04-02 | 2005-10-06 | Ching-Shan Liang | Adjustable accessory mirror for vehicles |
| CN202443160U (en) * | 2012-03-05 | 2012-09-19 | 南京科远自动化集团股份有限公司 | Bonded-connection shape-adjustment device for reflector of heliostat |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678533A (en) * | 2015-02-13 | 2015-06-03 | 中国科学院长春光学精密机械与物理研究所 | Ground gravity unloading support method for large spatial reflector |
| CN105717607A (en) * | 2016-04-01 | 2016-06-29 | 中国科学院光电研究院 | Four-point flexible supporting device for optical load |
| CN106371191A (en) * | 2016-11-28 | 2017-02-01 | 长光卫星技术有限公司 | Flexible support structure of light optical reflector |
| CN107037558A (en) * | 2017-05-23 | 2017-08-11 | 中国工程物理研究院激光聚变研究中心 | A kind of support system and method for big radius-thickness ratio optical element |
| CN107037558B (en) * | 2017-05-23 | 2023-05-26 | 中国工程物理研究院激光聚变研究中心 | Supporting system and method for optical element with large radius-thickness ratio |
| CN109521546A (en) * | 2018-12-14 | 2019-03-26 | 中国科学院西安光学精密机械研究所 | Micro-stress supporting structure of large-caliber collimator reflector |
| CN109521546B (en) * | 2018-12-14 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Microstress supporting structure of large-caliber collimator reflector |
| CN109471236A (en) * | 2018-12-25 | 2019-03-15 | 中国科学院长春光学精密机械与物理研究所 | The positioning component of the back support of optical sensor reflecting mirror |
| CN109471236B (en) * | 2018-12-25 | 2020-08-21 | 中国科学院长春光学精密机械与物理研究所 | Positioning assembly for back support of optical remote sensor reflector |
| CN109932804A (en) * | 2019-03-04 | 2019-06-25 | 杭州电子科技大学 | A kind of flexible memory alloy support device of small-bore lightweight mirror |
| CN109932804B (en) * | 2019-03-04 | 2021-06-01 | 杭州电子科技大学 | Flexible memory alloy supporting device of small-caliber light reflector |
| CN112560297A (en) * | 2019-09-26 | 2021-03-26 | 中国科学院长春光学精密机械与物理研究所 | Variable-rigidity reflector support design method |
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| CN105022136B (en) | 2017-06-13 |
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