CN202652354U - Image rotation elimination device - Google Patents
Image rotation elimination device Download PDFInfo
- Publication number
- CN202652354U CN202652354U CN 201120327999 CN201120327999U CN202652354U CN 202652354 U CN202652354 U CN 202652354U CN 201120327999 CN201120327999 CN 201120327999 CN 201120327999 U CN201120327999 U CN 201120327999U CN 202652354 U CN202652354 U CN 202652354U
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- Prior art keywords
- gear
- shaft
- lift
- racemization
- rotation elimination
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- Expired - Lifetime
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Abstract
The utility model relates to an image rotation elimination device, and particularly discloses an image rotation elimination device which is applied to an infrared imaging seeker. The device comprises a physical rotation elimination component and an optical rotation elimination component which is installed in the physical rotation elimination component. The physical rotation elimination assembly comprises a detector, a rolling platform, a hollow cup rolling motor, a second rolling bearing, a slip ring, a slip ring mounting bracket, a rolling shaft, a pitch motor, a reflecting mirror group, a pitch shaft, an optical lens and a detector mounting bracket. The optical rotation elimination component comprises a rotation elimination mirror group and a gear auxiliary component. According to the physical rotation elimination, a rolling-pitch double-shaft stable tracing platform mode is employed to eliminate the influence of projectile spin, thus an optical system optical axis is stable. According to the optical rotation elimination, a rotation elimination mirror group is added into an optical path, through a speed regulating mechanism formed by the gear auxiliary component, while utilizing the hollow cup rolling motor to drive an optical system to roll, the rotation elimination mirror group is rotated relative to the rolling shaft, and an effect of optical rotation elimination is achieved. The device has the advantages of small size, simple structure, easy manufacture and installation.
Description
Technical field
The utility model relates to a kind of image despin mechanism, a kind of image despin mechanism that is applicable to Infrared Imaging Seeker of specific design.
Background technology
In missile-borne in infrared or telephotography and the aiming process, cause the motion in optical system and image device relative inertness space owing to the roll motion of TV or infrared photography framework, thereby cause the rotation of image, cause image blurring a slice of passing back, can't observe and identify target.Therefore, the target image of image device being carried out the racemization tool is of great significance.The method of image racemization mainly contains three kinds of electronics racemization, optics racemization and physics racemizations.Mostly adopt at present the method for optics racemization, namely revolve positive image by the racemization prism in the rotation tomography light path.Although optics racemization method speed is fast, there are the defectives such as signal to noise ratio that processing difficulties, power consumption are large, system bulk is large and reduced image in optics racemization system; The physics racemization is directly to control optical seeker to rotate to revolve positive image along its axis, has equally the problems referred to above; The electronics racemization is by the fast acquisition of digital video picture signal, and image is carried out opposite spin to realize the method for image racemization.
Summary of the invention
The purpose of this utility model is to provide a kind of image despin mechanism, this device passes through in conjunction with optics racemization and physics racemization, overcome that two kinds of racemization mode volumes were large in the past, the shortcoming of processing difficulties, utilize to greatest extent small space in the bullet, physics racemization and optics racemization are combined, realize the image racemization.
Realize the technical scheme of the utility model purpose: a kind of image despin mechanism, it comprises physics racemization assembly and optics racemization assembly, optics racemization assembly is installed in the physics racemization assembly.
Described physics racemization assembly comprises detector, lift-over platform, drag cup lift-over motor, the second rolling bearing, collector ring, the outer installing rack of collector ring, wobble shaft, pitching motor, speculum group, pitch axis, optical lens and detector installing rack, and detector is installed on the lift-over platform by the detector installing rack; It is inner that wobble shaft is installed on the lift-over platform by the second bearing, and drag cup lift-over motor is fixed on outside the wobble shaft, and the collector ring shell is fixed in the outer installing rack of collector ring, and the outer installing rack of collector ring is fixed on outside the lift-over platform; The rotating ring of collector ring is fixed on the wobble shaft, installing rack and speculum group are fixedly mounted on the wobble shaft top, the installing rack top is fixedly connected with pitching motor, one end of pitch axis is fixedly connected with pitching motor, the other end of pitch axis and speculum group are slidingly matched, and optical lens is installed in the pitch axis top.
Described drag cup lift-over motor is comprised of lift-over motor stator and lift-over motor outer rotor.
Described optics racemization assembly comprises racemization mirror group and gear pair assembly, and racemization mirror group is installed in the inside of wobble shaft, and the gear pair assembly is installed in the detector installing rack of physics racemization assembly; The gear pair assembly comprises the first gear, the second gear, the 3rd gear, the 4th gear, the 5th gear, the 6th gear, the first gear shaft, the second gear shaft and the 3rd gear shaft; The first gear is fixed on the wobble shaft; The first gear and the engagement of the second gear, the second gear is connected with the 3rd gear interference, the 3rd geared sleeve is outside the first gear shaft, the first gear shaft top card is in lift-over platform bottom, mesh between the 3rd gear and the 4th gear, the 4th geared sleeve is outside the second gear shaft, the second gear shaft top card is in lift-over platform bottom, mesh between the 4th gear and the 5th gear, the 5th geared sleeve is outside the 3rd gear shaft, the 3rd gear shaft top card is in lift-over platform bottom, and the 5th gear and the 6th gear mesh, and the 6th geared sleeve is outside racemization mirror group.
Useful technique effect of the present utility model: this despin mechanism is comprised of physics racemization assembly and optics racemization assembly two parts, and the physics racemization is adopted and rolled-backstroke biaxial stabilization tracking platform mode, eliminates the impact that bullet revolves, and makes the optical system optical axis stable.The optics racemization then is to add racemization mirror group in light path, by the speed adjusting gear of gear pair module composition, when utilizing the lift-over of drag cup lift-over motor-driven optical system, makes the relative wobble shaft rotation of racemization mirror group, plays the effect of optics racemization.By adopting drag cup lift-over motor and hollow wobble shaft, utilize to greatest extent small space in the bullet, physics racemization and optics racemization are combined, realize the image racemization.This device volume is little, and is simple in structure, is easy to make and install.
Description of drawings
Fig. 1 is the front view of a kind of image despin mechanism provided by the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
Among the figure: 1. detector, 2. lift-over platform, 3. lift-over motor stator, 4. lift-over motor outer rotor, 5. the first rolling bearing, 6. the second rolling bearing, 7. the first screw, 8. collector ring, the 9. outer installing rack of collector ring, 10. wobble shaft, 11. racemization mirror groups, 12. installing racks, 13. pitching motor, 14. speculum groups, 15. pitch axis, 16. optical lens, 17. first gears, 18. second gears, 19. the 3rd gear, 20 the 4th gears, 21. the 5th gears, 22. the 6th gear, 23. detector installing racks, 24. second screws, 25. the 3rd screw, 26. the first gear shaft, 27. second gear shafts, 28. the 3rd gear shafts.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, the basis that lift-over platform 2 is installed for total, infrared or visible-light detector 1 is installed in lift-over platform 2 bottom outside by detector installing rack 23 and the 3rd screw 25; Racemization mirror group 11 is installed in the inside of wobble shaft 10 by the first rolling bearing 5, wobble shaft 10 is installed on lift-over platform 2 inside by the second rolling bearing 6.Lift-over motor outer rotor 4 is fixed on wobble shaft 10 outer walls, lift-over motor stator 3 is fixed on lift-over platform 2 tops by the first screw 7, lift-over motor outer rotor 4 is enclosed within outside the lift-over motor stator 3, and lift-over motor stator 3 and lift-over motor outer rotor 4 form drag cup lift-over motor.Collector ring 8 shells are fixed by screws in outer installing rack 9 tops of collector ring, and the screw fixed cover is passed through on lift-over platform 2 top outer walls in the bottom of the outer installing rack 9 of collector ring; The rotating ring of collector ring 8 is fixed by screws on the wobble shaft 10, satisfies on the wobble shaft 10 requirement of 360 ° of orientation continuous rotations of the installing rack 12 installed, pitching motor 13, speculum group 14, pitch axis 15, optical lens 16.
As shown in Figure 1, installing rack 12 bottoms are fixedly mounted on a side at wobble shaft 10 tops by screw, and installing rack 12 tops and pitching motor 13 are fixedly connected with by screw.Speculum group 14 is fixedly mounted on the opposite side at wobble shaft 10 tops by screw, an end of pitch axis 15 and pitching motor 13 are fixedly connected with by screw, and the other end of pitch axis 15 is enclosed within the inlet flange of speculum group 14 and between the two for being slidingly matched.Optical lens 16 is installed on pitch axis 15 top exterior walls.
As depicted in figs. 1 and 2, speed adjusting gear is the gear pair assembly, and the gear pair assembly is comprised of the first gear 17, the second gear 18, the 3rd gear 19, the 4th gear 20, the 5th gear 21, the 6th gear 22, the first gear shaft 26, the second gear shaft 27, the 3rd gear shaft 28.The first gear 17 is fixed on wobble shaft 10 bottom inside by the second screw 24; The first gear 17 and 18 engagements of the second gear, the second gear 18 is enclosed within outside the 3rd gear 19, is that interference connects between the two, the 3rd gear 19 is enclosed within outside the first gear shaft 26 middle parts and connects by key between the two, and the first gear shaft 26 top card are in lift-over platform 2 bottoms and be fixedly connected with by screw thread between the two.It is outer and connect by key between the two that engagement between the 3rd gear 19 and the 4th gear 20, the 4th gear 20 are enclosed within the second gear shaft 27, and the second gear shaft 27 top card are in lift-over platform 2 bottoms and be fixedly connected with by screw thread between the two.It is outer and connect by key between the two that engagement between the 4th gear 20 and the 5th gear 21, the 5th gear 21 are enclosed within the 3rd gear shaft 28, and the 3rd gear shaft 28 top card are in lift-over platform 2 bottoms and be fixedly connected with by screw thread between the two; The 5th gear 21 and 22 engagements of the 6th gear, the 6th gear 22 is enclosed within outside the racemization mirror group 11 and is fixedly connected with for screw thread between the two.
Physics racemization assembly comprises detector 1, lift-over platform 2, lift-over motor stator 3, lift-over motor outer rotor 4, clutch shaft bearing 5, the second bearing 6, the first screw 7, collector ring 8, the outer installing rack 9 of collector ring, wobble shaft 10, installing rack 12, pitching motor 13, speculum group 14, pitch axis 15, optical lens 16 and detector installing rack 23.
Optics racemization assembly comprises racemization mirror group 11 and gear pair assembly.
Measured target by racemization mirror group (11), is gone up imaging at infrared (or visible light) detector (1) by optical lens (16) at last after speculum group (14).When missile rotation, drag cup lift-over motor powers up drive wobble shaft 10 and revolves opposite direction rotation with bullet, eliminates the impact that bullet revolves, and keeps the optical system optical axis stable, the racemization of realization physics.Simultaneously, wobble shaft 10 drives 17 motions of the first gear, the first gear 17 drives the second gear 18 and the 3rd gear 19 moves together, the 3rd gear 19 drives again 20 motions of the 4th gear, the 4th gear 20 drives 21 motions of the 5th gear, and the 5th gear 21 drives the 6th gear 22 and 11 motions of racemization mirror group.By the transmission of gear pair assembly, racemization mirror group 11 with respect to wobble shaft 10 motions, finally makes optics racemization and physics racemization unite with a certain speed, realizes the measured target image racemization of system.
The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make various variations.The content that is not described in detail in the utility model specification all can adopt prior art, and such as detector 1, lift-over platform 2, lift-over motor stator 3, lift-over motor outer rotor 4, bearing, collector ring 8, wobble shaft 10, installing rack, pitching motor 13, speculum group 14, pitch axis 15, optical lens 16, gear etc. all can be adopted the product of any model in the prior art.
Claims (4)
1. image despin mechanism, it is characterized in that: it comprises physics racemization assembly and optics racemization assembly, and optics racemization assembly is installed in the physics racemization assembly.
2. a kind of image despin mechanism according to claim 1, it is characterized in that: described physics racemization assembly comprises detector (1), lift-over platform (2), drag cup lift-over motor, the second rolling bearing (6), collector ring (8), the outer installing rack (9) of collector ring, wobble shaft (10), pitching motor (13), speculum group (14), pitch axis (15), optical lens (16) and detector installing rack (23), and detector (1) is installed on the lift-over platform (2) by detector installing rack (23); Wobble shaft (10) is installed in lift-over platform (2) inside by the second bearing (6), drag cup lift-over motor is fixed on outside the wobble shaft (10), fixedly in the outer installing rack (9) of collector ring, the outer installing rack (9) of collector ring is fixed on outside the lift-over platform (2) collector ring (8) shell; The rotating ring of collector ring (8) is fixed on the wobble shaft (10), installing rack (12) and speculum group (14) are fixedly mounted on wobble shaft (10) top, installing rack (12) top is fixedly connected with pitching motor (13), one end of pitch axis (15) is fixedly connected with pitching motor (13), the other end of pitch axis (15) and speculum group (14) are slidingly matched, and optical lens (16) is installed in pitch axis (15) top.
3. a kind of image despin mechanism according to claim 2 is characterized in that: described drag cup lift-over motor is by lift-over motor stator (3) and be enclosed within the outer lift-over motor outer rotor (4) of stator (3) and form.
4. each described a kind of image despin mechanism in 3 according to claim 1, it is characterized in that: described optics racemization assembly comprises racemization mirror group (11) and gear pair assembly, racemization mirror group (11) is installed in the inside of wobble shaft (10), and the gear pair assembly is installed in the detector installing rack (23) of physics racemization assembly; The gear pair assembly comprises the first gear (17), the second gear (18), the 3rd gear (19), the 4th gear (20), the 5th gear (21), the 6th gear (22), the first gear shaft (26), the second gear shaft (27) and the 3rd gear shaft (28); The first gear (17) is fixed on the wobble shaft (10); The first gear (17) and the second gear (18) engagement, the second gear (18) is connected with the 3rd gear (19) interference, the 3rd gear (19) is enclosed within outside the first gear shaft (26), the first gear shaft (26) top card is in lift-over platform (2) bottom, engagement between the 3rd gear (19) and the 4th gear (20), the 4th gear (20) is enclosed within outside the second gear shaft (27), the second gear shaft (27) top card is in lift-over platform (2) bottom, engagement between the 4th gear (20) and the 5th gear (21), the 5th gear (21) is enclosed within outside the 3rd gear shaft (28), the 3rd gear shaft (28) top card is in lift-over platform (2) bottom, the 5th gear (21) and the 6th gear (22) engagement, the 6th gear (22) is enclosed within outside the racemization mirror group (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120327999 CN202652354U (en) | 2011-09-02 | 2011-09-02 | Image rotation elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120327999 CN202652354U (en) | 2011-09-02 | 2011-09-02 | Image rotation elimination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652354U true CN202652354U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120327999 Expired - Lifetime CN202652354U (en) | 2011-09-02 | 2011-09-02 | Image rotation elimination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652354U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234630A (en) * | 2013-04-21 | 2013-08-07 | 中国科学院光电技术研究所 | Image despinning device capable of being applied to slit type grid spectrometer of solar telescope |
| CN104049646A (en) * | 2014-06-11 | 2014-09-17 | 中国科学院长春光学精密机械与物理研究所 | Multi-directional control method for eliminating image rotation of multi-detector infusing scan imaging system |
| CN106383398A (en) * | 2015-08-04 | 2017-02-08 | 江苏宜清光电科技有限公司 | Lens capable of carrying out 360 degree projection |
| CN106443960A (en) * | 2015-08-04 | 2017-02-22 | 江苏宜清光电科技有限公司 | 360-degree projection lens |
| CN106526831A (en) * | 2016-10-31 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Target image-based mechanical rotation eliminating mechanism |
| CN106707460A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN106707459A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN110650302A (en) * | 2019-09-30 | 2020-01-03 | 中国科学院西安光学精密机械研究所 | Reliable and easily integrated airborne CCD image-eliminating rotation device |
-
2011
- 2011-09-02 CN CN 201120327999 patent/CN202652354U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234630A (en) * | 2013-04-21 | 2013-08-07 | 中国科学院光电技术研究所 | Image despinning device capable of being applied to slit type grid spectrometer of solar telescope |
| CN104049646A (en) * | 2014-06-11 | 2014-09-17 | 中国科学院长春光学精密机械与物理研究所 | Multi-directional control method for eliminating image rotation of multi-detector infusing scan imaging system |
| CN104049646B (en) * | 2014-06-11 | 2017-02-01 | 中国科学院长春光学精密机械与物理研究所 | Multi-directional control method for eliminating image rotation of multi-detector infusing scan imaging system |
| CN106383398A (en) * | 2015-08-04 | 2017-02-08 | 江苏宜清光电科技有限公司 | Lens capable of carrying out 360 degree projection |
| CN106443960A (en) * | 2015-08-04 | 2017-02-22 | 江苏宜清光电科技有限公司 | 360-degree projection lens |
| CN106707460A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN106707459A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN106526831A (en) * | 2016-10-31 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Target image-based mechanical rotation eliminating mechanism |
| CN106526831B (en) * | 2016-10-31 | 2018-11-16 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of mechanical despun control system mechanism based on target image |
| CN110650302A (en) * | 2019-09-30 | 2020-01-03 | 中国科学院西安光学精密机械研究所 | Reliable and easily integrated airborne CCD image-eliminating rotation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |