CN104932099A - Window servo-actuated mechanism for scanning imaging camera - Google Patents
Window servo-actuated mechanism for scanning imaging camera Download PDFInfo
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- CN104932099A CN104932099A CN201510292478.0A CN201510292478A CN104932099A CN 104932099 A CN104932099 A CN 104932099A CN 201510292478 A CN201510292478 A CN 201510292478A CN 104932099 A CN104932099 A CN 104932099A
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Abstract
The invention discloses a window servo-actuated mechanism for a scanning imaging camera, and the mechanism comprises an oscillating mirror seat, a first gear, a window plate part, a guide rail, a bearing connector, and a rolling bearing. The oscillating mirror seat comprises a plate which is used for fixedly connecting an oscillating mirror, and two opposite ends of the plate are fixedly connected with the first gear. The window plate part is provided with a through hole, and the lower surface of the window plate part is provided with a second gear which can be engaged with the first gear. The first and second gears are engaged to form a gear pair. The guide rail is disposed on the lower surfaces of two opposite ends of the window plate part. The rolling bearing is located below the window plate part, and is limited on the guide rail. The guide rail and the oscillating mirror seat are respectively fixed on a workbench. The bearing connector is fixedly connected with the window plate part, and is disposed below the window plate part. One end of the bearing connector is connected with the rolling bearing. When the oscillating mirror rotates, the gear pair drives the window plate part to make linear movement along the guide rail. The mechanism is simple in structure, is good in work stability, is high in reliability, is simple in part structure, and is easy to machine and assemble.
Description
Technical field
The present invention relates to scanning imagery camera window mouth mechanism field, particularly relate to the vehicle-mounted and airborne scanning imagery camera that parasitic light requirement is high.
Background technology
When general scanning imagery camera works, make the target of different field of view angle enter optical system by the rotation of putting mirror thus complete scanning imagery function, its light path sketch as shown in Figure 1, because pendulum mirror needs to rotate within the scope of certain angle according to demand, therefore the pendulum mirror of camera window when must meet different rotational angle all can receive the light of respective angles, therefore need to design the camera window met the demands.As shown in Figure 1, the window size of camera is relevant with the working size of pendulum mirror and the angle α of minute surface and primary optical axis thereof, camera is when scanning imagery, α changes within the scope of certain angle, in order to ensure the image quality of optical system, need to ensure that desirable the window's position and size will change with the change of α.
In prior art, general scanning imagery camera window only determines a larger-size camera window according to two ultimate values at α angle, its version as shown in Figure 2, its version is simple, become by window design and all can receive light in pendulum mirror rotational angle range, but window does not have corresponding motion with the rotation of pendulum mirror, therefore pendulum mirror is when different angles, capital has a large amount of veiling glare to enter optical system, thus image quality can be caused to decline even cannot the serious consequence such as normal imaging.
Summary of the invention
For the oversize problems caused of scanning imagery camera window common in prior art, and the problem such as operating mode when considering that it works on vehicle-mounted and airborne platform is complicated, imaging requirements is high, the invention provides a kind of scanning imagery camera window follower.
For solving above technical matters, the present invention provides following technical scheme:
A kind of scanning imagery camera window follower, its special character is:
Comprise pendulum microscope base, gear one, window plate, guide rail, bearing joint and rolling bearing,
Described pendulum microscope base comprises one for the plate putting mirror that is connected, and the two ends that plate is relative are fixed with described gear one;
Described window plate offers through hole, and the lower surface of window plate is provided with the gear two that can be meshed with described gear one, and gear one engages with gear two and forms gear pair; Described guide rail is arranged on the lower surface at the relative two ends of window plate; Described rolling bearing is positioned at below window plate, spacing on guide rail;
Described guide rail and pendulum microscope base are separately fixed on worktable;
Bearing joint and window plate are connected, and are arranged on below window plate, and one end of bearing joint is connected with described rolling bearing,
When pendulum mirror rotates, window plate is driven to do rectilinear motion along guide rail by gear pair.
Be provided with bearing pin one with the bearing joint of rolling bearing connecting place, rolling bearing is provided with hole, and bearing pin one is connected in hole.
The outer end of bearing pin one is equipped with and bearing trim ring, and bearing trim ring is connected with pin shaft thread.
Above-mentioned through hole is oval.
Be attached to the shape of the projection of workplace on window plate and the described through hole that pendulum microscope base puts mirror and in the same size.
Be threaded between bearing joint with window plate.
The plate putting mirror that is connected is pendulum runner plate, and described pendulum microscope base also comprises plate one and plate two, and plate one and plate two are separately positioned on the relative two ends of pendulum runner plate, plate one and plate two are respectively equipped with bearing pin two, bearing pin two are all fixed with described gear one.
Be connected by flat key between gear one and bearing pin two.
The present invention has following technique effect:
Compared to prior art, window plate of the present invention constantly can adjust the requirement of the window's position when different angles according to pendulum mirror, ensure the image quality of optical system, improve veiling glare inhibition, mechanism configuration is simple, good operating stability, reliability are high, and design of part is simple, is easy to process and assemble.
Accompanying drawing explanation
Fig. 1 is scanning imagery camera light path sketch;
Fig. 2 is existing scanning imagery camera window mouth structure form figure;
Fig. 3 is structural representation of the present invention;
Fig. 4 is structure cut-open view of the present invention;
Fig. 5 is the assembly structure schematic diagram of window plate and guide rail;
Fig. 6 is the assembly structure cut-open view of window plate and guide rail;
Fig. 7 is pendulum mirror-seat structure schematic diagram;
Fig. 8 is gear structure schematic diagram;
Fig. 9 is window plate structural representation;
Figure 10 is guide rail structure schematic diagram;
Figure 11 is bearing joint structural representation.
In figure, each mark is respectively: 1, put microscope base, 2, flat key, 3, gear, 4, window plate, 5, guide rail, 6, bearing joint, 7, rolling bearing, 8, bearing trim ring, 9, plate one, 10, plate two.
Embodiment
The invention provides a kind of scanning imagery camera window follower, below in conjunction with accompanying drawing, the present invention is described in further detail, as Fig. 1 to Figure 11, comprise pendulum microscope base 1, gear 1, window plate 4, guide rail 5, bearing joint 6 and rolling bearing 7, pendulum microscope base comprises one for the plate putting mirror that is connected, and the two ends that plate is relative are fixed with gear one; Window plate offers through hole, the lower surface of window plate is provided with the gear two that can be meshed with gear one, and gear one engages with gear two and forms gear pair, when gear one rotates, the circular motion of gear one is converted into the rectilinear motion of window plate 4, thus reaches the object of window translation; Guide rail is arranged on the lower surface at the relative two ends of window plate; Rolling bearing is positioned at below window plate, spacing on guide rail; Guide rail and pendulum microscope base are separately fixed on worktable; Worktable can adopt camera casing.
Bearing joint and window plate are connected, can adopt and be threaded, bearing joint is arranged on below window plate, one end of bearing joint is connected with rolling bearing, bearing joint and corresponding rolling bearing can be all set in corner below window plate, when pendulum mirror rotates, drive window plate to do rectilinear motion along guide rail by gear pair, when window plate does rectilinear motion along guide rail, rolling bearing rolls on guide rail.
Guide rail 5 length can meet the extreme position of window panel movement, and guide rail can be window plate 4 and provides a supporting role, and guide rail specifically can adopt U-shaped structure.
The number of teeth of gear one and tooth profile parameter can design according to different windows plate 4 range of movement and precision.
Be provided with bearing pin one with the bearing joint of rolling bearing connecting place, rolling bearing is provided with hole, and bearing pin one is connected in hole.
The outer end of bearing pin one is equipped with bearing trim ring 8, and bearing trim ring is connected with pin shaft thread.
Through hole is oval, and the size of through hole is determined according to the projection of pendulum mirror workplace,
Be attached to the shape of the projection of workplace on window plate and the described through hole that pendulum microscope base puts mirror and in the same size.
Be threaded between bearing joint with window plate.
The plate putting mirror that is connected is pendulum runner plate, pendulum microscope base can be U-shaped structure, and concrete structure is: pendulum microscope base also comprises plate 1 and plate 2 10, and plate one and plate two are separately positioned on the relative two ends of pendulum runner plate, plate one and plate two are respectively equipped with bearing pin two, bearing pin two are all fixed with described gear one.Bearing pin two and camera overall connection by rolling bearing forms revolute pair, and during camera work, pendulum mirror is fixed on pendulum microscope base 1, thus puts microscope base 1 in camera rotating band movable pendulum mirror rotation on the whole, and then reaches the object of scanning imagery.
Be connected by flat key between gear one and bearing pin two.
In work, pendulum mirror, pendulum microscope base 1, gear 3 three are connected, the gear pair formed between gear 3 and window plate 4, window plate 4 carries out rectilinear motion by bearing joint 6, rolling bearing 7, bearing trim ring 8 in guide rail 5, when pendulum mirror rotates, by gear pair, the rotation of pendulum mirror is transformed the rectilinear motion of window, track type through hole on window plate is when the direction that guide rail limits is linearly moved to diverse location, window size can produce corresponding change, thus suppress veiling glare to enter optical system, improve image quality.
Claims (8)
1. a scanning imagery camera window follower, is characterized in that:
Comprise pendulum microscope base, gear one, window plate, guide rail, bearing joint and rolling bearing,
Described pendulum microscope base comprises one for the plate putting mirror that is connected, and the two ends that plate is relative are fixed with described gear one;
Described window plate offers through hole, and the lower surface of window plate is provided with the gear two that can be meshed with described gear one, and gear one engages with gear two and forms gear pair; Described guide rail is arranged on the lower surface at the relative two ends of window plate; Described rolling bearing is positioned at below window plate, spacing on guide rail;
Described guide rail and pendulum microscope base are separately fixed on worktable;
Bearing joint and window plate are connected, and are arranged on below window plate, and one end of bearing joint is connected with described rolling bearing,
When pendulum mirror rotates, window plate is driven to do rectilinear motion along guide rail by gear pair.
2. scanning imagery camera window follower according to claim 1, is characterized in that:
Be provided with bearing pin one with the bearing joint of rolling bearing connecting place, rolling bearing is provided with hole, and bearing pin one is connected in hole.
3. scanning imagery camera window follower according to claim 2, is characterized in that: the outer end of bearing pin one is equipped with and bearing trim ring, and bearing trim ring is connected with pin shaft thread.
4. scanning imagery camera window follower according to claim 3, is characterized in that: described through hole is for oval.
5. scanning imagery camera window follower according to claim 3, is characterized in that: be attached to the shape of the projection of workplace on window plate and the described through hole that pendulum microscope base puts mirror and in the same size.
6. the scanning imagery camera window follower according to claim 4 or 5, is characterized in that: be threaded between bearing joint with window plate.
7. scanning imagery camera window follower according to claim 6, it is characterized in that: the plate of the pendulum mirror that is connected is pendulum runner plate, described pendulum microscope base also comprises plate one and plate two, plate one and plate two are separately positioned on the relative two ends of pendulum runner plate, plate one and plate two are respectively equipped with bearing pin two, bearing pin two are all fixed with described gear one.
8. scanning imagery camera window follower according to claim 7, be is characterized in that: be connected by flat key between gear one and bearing pin two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292478.0A CN104932099B (en) | 2015-06-01 | 2015-06-01 | A kind of scanning imagery camera window follower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292478.0A CN104932099B (en) | 2015-06-01 | 2015-06-01 | A kind of scanning imagery camera window follower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104932099A true CN104932099A (en) | 2015-09-23 |
| CN104932099B CN104932099B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510292478.0A Active CN104932099B (en) | 2015-06-01 | 2015-06-01 | A kind of scanning imagery camera window follower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433338A (en) * | 2020-11-27 | 2021-03-02 | 中国科学院西安光学精密机械研究所 | Swing mirror assembly, swing mirror assembly assembling and adjusting system and assembling and adjusting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406525A (en) * | 1979-11-19 | 1983-09-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Light beam scanning device |
| CN1078310A (en) * | 1992-05-08 | 1993-11-10 | 陈南斗 | Scanner |
| US20080012980A1 (en) * | 2006-07-11 | 2008-01-17 | Akira Yamane | Imaging apparatus |
| CN204790190U (en) * | 2015-06-01 | 2015-11-18 | 中国科学院西安光学精密机械研究所 | Scanning imagery camera window follower |
-
2015
- 2015-06-01 CN CN201510292478.0A patent/CN104932099B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406525A (en) * | 1979-11-19 | 1983-09-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Light beam scanning device |
| CN1078310A (en) * | 1992-05-08 | 1993-11-10 | 陈南斗 | Scanner |
| US20080012980A1 (en) * | 2006-07-11 | 2008-01-17 | Akira Yamane | Imaging apparatus |
| CN204790190U (en) * | 2015-06-01 | 2015-11-18 | 中国科学院西安光学精密机械研究所 | Scanning imagery camera window follower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433338A (en) * | 2020-11-27 | 2021-03-02 | 中国科学院西安光学精密机械研究所 | Swing mirror assembly, swing mirror assembly assembling and adjusting system and assembling and adjusting method |
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| CN104932099B (en) | 2017-05-31 |
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