CN206282030U - Integrated space precise bidimensional sweep mechanism - Google Patents
Integrated space precise bidimensional sweep mechanism Download PDFInfo
- Publication number
- CN206282030U CN206282030U CN201621119808.2U CN201621119808U CN206282030U CN 206282030 U CN206282030 U CN 206282030U CN 201621119808 U CN201621119808 U CN 201621119808U CN 206282030 U CN206282030 U CN 206282030U
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- sweep mechanism
- component
- preceding hinge
- rear hinged
- hinge component
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Abstract
This patent discloses a kind of integrated space precise bidimensional sweep mechanism, including across rail sweep mechanism and along rail sweep mechanism；Across rail sweep mechanism includes scanning mirror, sweep mechanism procapsid, sweep mechanism intermediate end cover, electric rotating machine, angular displacement sensor, rotary shaft, bearing assembly, linear motion axis, preceding hinge component, rear hinged component, the support of preceding hinge component, rear hinged component support, sealing ring；Include scanning mirror, linear electric motors, linear motion axis, sweep mechanism back casing, rotary shaft, preceding hinge component, rear hinged component, the support of preceding hinge component, rear hinged component support, linear electric motors capping, front limit device provided, rear stopping means along rail sweep mechanism.The advantage of this patent is：There is pointing accuracy integrated, small-sized, high, the low feature of assembly difficulty compared with traditional bidimensional sweep mechanism；It is one-dimensional can be with 360 ° of rotations, the rotational angle of another dimension can be determined by stopping means, across rail scanning and along rail scanning alternating movement.
Description
Technical field
This patent refers to a kind of space bidimensional sweep mechanism, particularly a kind of collection for space photoelectricity remote sensing instrument
Into accurate bidimensional sweep mechanism is changed, belong to field of aerospace technology.
Background technology
Space remote instrument has of crucial importance in space research, earth observation, weather forecast, the modernization of national defense
Purposes, be human development and the important means utilized space resources, be space payload application field development core skill
Art.Wind and cloud string of weather satellite FY-1, FY-3 that China has launched use satellite flight+one-dimensional scanning, what FY-2 was used
It is satellite spin+one-dimensional scanning mode.Scanning radiometer, moderate resolution imaging spectrometer on FY-3 satellites, infrared spectrometer
45 ° of scanning mirror rotation sweeps are used etc. load, the rotating shaft of scanning mirror is consistent with satellite flight direction.When scanning mirror is rotated
When, scanning mirror passes through the scanning of flight track with fixed instantaneous field of view, receive with the target emanation in track vertical plane,
Run around the earth by means of satellite, form two dimensional image.Scanning radiometer on FY-2 satellites is that a kind of ray machine line is scanned into
As system, its telescopic system primary optical axis perpendicular to satellite spin axle, using satellite spin realize radiometer to the earth westerly to
East is scanned, satellite spin one week, and radiometer telescope is pointed to and southward walked further from north, and south of the radiometer to the earth is realized with this
North scanning.
With the development of satellite technology, the bidimensional scan mode of load is excellent due to the aspects such as its scanning accuracy and efficiency
Gesture, has been increasingly becoming the developing direction of remote sensing satellite.Bidimensional sweep mechanism therein, for improving scan efficiency, expanding observation
Visual field, the scanning and observation for neatly realizing specific region etc. are all most important, are the critical components of satellite electrooptic remote sensing instrument.
Bidimensional Scan Architecture is commonly realized using Dual-motors Driving, advantage is good adaptability, is suitable for bidimensional big angle
The requirement of scanning is spent, has the disadvantage that volume, power consumption are larger, it is impossible to meet EO-1 hyperion survey meter mechanical interface requirement.Application publication number
The A of CN 105415371, disclose a kind of bidimensional directing mechanism for space optical remote sensing instrument, and its function is 45 ° of scanning machines
Structure and conical scanning mechanism；The A of application publication number CN 102788234, disclose a kind of spaceborne accurate sun directing mechanism, and this two
The structure for tieing up directing mechanism is attached using two independent drive shaft modules by a U-shape structure part, two shaftings
Spatially it is mutually perpendicular to, U-shaped frame is connected with azimuth axis.
The content of the invention
The problem that this patent is solved is to provide a kind of integrated space precise bidimensional sweep mechanism, with integrated, small-sized
Change and pointing accuracy high, to improve the detection accuracy of photoelectric remote-sensing instrument.
In order to solve the above-mentioned technical problem, the technical scheme of this patent use is：There is provided one kind can realize across rail scanning with
Along the integrated bidimensional sweep mechanism that rail is scanned.
Described across rail sweep mechanism includes scanning mirror 1, sweep mechanism procapsid 8, sweep mechanism intermediate end cover 13, rotation
Motor 7, angular displacement sensor 9, rotary shaft 6, linear motion axis 15, preceding hinge component 22, rear hinged component 19, preceding hinge component
It is support 2, rear hinged component support 14, front axle bearing assembly 5, rear bearing assembly 10, preceding sealing inner ring 3, preceding sealed outer ring 4, rear close
Envelope inner ring 11, rear sealed outer ring 12；Rotary electric machine 701, angular displacement sensor stator 901 are arranged on sweep mechanism procapsid
In 8；Rotary motor rotor 702, angular displacement sensor rotor 902 are arranged in rotary shaft 6；Described preceding hinge component support 2
One end, rear hinged component support 14 one end be arranged on rotary shaft 6 on；One end of described preceding hinge component 22 is arranged on preceding
In hinge component support 2；One end of described rear hinged component 19 is arranged in rear hinged component support 14；Described preceding hinge
The other end of component 22, the other end of rear hinged component 19 are arranged on linear motion axis 15；Described scanning mirror 1 is arranged on preceding
On hinge component 22；The described outer ring of front axle bearing assembly 5 and the outer ring of rear bearing assembly 10 respectively with sweep mechanism procapsid 8 and sweep
Retouch mechanism's intermediate end cover 13 to coordinate, the inner ring of front axle bearing assembly 5 and the inner ring of rear bearing assembly 10 coordinate with rotary shaft 6.
In across the rail scanning moving mechanism, electric rotating machine 7 is rotated by driving rotary motor rotor 702 and rotary shaft 6,
So that scanning mirror 1 rotates；Rotary shaft 6 rotarily drives angular displacement sensor rotor 902 and rotates, to reach electric rotating machine
The purpose of 7 closed-loop controls.
The described rotary shaft 6 across rail sweep mechanism is at 45 ° with scanning mirror 1.
It is described to include scanning mirror 1, sweep mechanism back casing 17, linear electric motors 16, rotary shaft 6, straight along rail sweep mechanism
Line kinematic axis 15, preceding hinge component 22, rear hinged component 19, support 2, the rear hinged component support 14, straight-line electric of preceding hinge component
Machine capping 18, front limit device provided 21, rear stopping means 20；Described linear motor stator electric 1601 is arranged on sweep mechanism back casing
In 17；One end of described preceding hinge component support 2, one end of rear hinged component support 14 are arranged in rotary shaft 6；Described
The other end of preceding hinge component support 2 is arranged on preceding hinge component 22；The other end peace of described rear hinged component support 14
On rear hinged component 19；One end of described preceding hinge component 22, one end of rear hinged component 19, front limit device provided 21,
Stopping means 20, linear motor rotor 1602 are arranged on linear motion axis 15 afterwards；Described scanning mirror 1 is arranged on preceding hinge set
On part 22.
In the sweep mechanism along rail, linear electric motors 16 are transported by driving linear motor rotor 1602 and linear motion axis 15
Dynamic, linear motion axis 15 are further driven to 1905 rotary motion under mandrel of preceding hinge component 22 and rear hinged component 19, preceding hinge
Chain component 22 is further driven to the rotary motion of scanning mirror 1；And the movement angle of linear motion axis 15 by front limit device provided 21 and after
The restriction of stopping means 20, to reach purpose of the control along rail scanning angle.
The described motion along rail sweep mechanism is by the minor rotation around preceding hinge component 22 and rear hinged component 19
Realize；The movement angle scanned along rail and rotary shaft ± θ/2 at 45 °, θ is the angle scanned along rail, and the size of θ is by front limit
Device 21 is with the support the distance between 2, rear stopping means 20 of preceding hinge component and rear hinged component support the distance between 14 really
It is fixed；
Described electric rotating machine 7 includes direct current torque motor, stepper motor；Angular displacement sensor 9 is encoded including Circular gratings
Device, inductosyn, rotation become transmitter；Linear electric motors 16 include voice coil motor, supersonic motor；Described preceding hinge component 19
Include slide hinge with rear hinged component 22, roll hinge.
The bidimensional scan function of this patent moves coupling realization by across rail sweep mechanism and along rail sweep mechanism, is swept across rail
The motion of mechanism is retouched in the range of 360 °；And along the motion of rail scanning in θ angular regions, therefore, the effect after the coupling of two axles makes
Obtain the sensing positioning of optical remote sensing instrument space.
The axis of rotary shaft 6 and the diameter parallel of linear motion axis 15, with the minute surface of scanning mirror 1 angle at 45 °；Moved across rail
When, axis and the minute surface of scanning mirror 1 angle at 45 ° of rotary shaft 6；When being moved along rail, axis and the scanning mirror 1 of linear motion axis 15
Minute surface ± θ/2 jiao at 45 °, the size of θ is by front limit device provided 21 and the support the distance between 2, rear stopping means of preceding hinge component
20 and rear hinged component support the distance between 14 determine.
This patent this have the advantage that：
1. integrated：Traditional bidimensional sweep mechanism passes through a U-shape structure using two independent drive shaft modules
Part is attached, and two shaftings are spatially mutually perpendicular to, and the shafting of the motion of this patent is parallel in topology layout
, mechanism's self-movement in both direction；
2. assemble simple：Motor drive component, can be with complete independently scanning motion, it is advantageously ensured that entirely sweeping certainly into module
Retouch the assembling quality and running accuracy of mechanism；
3. it is big that scope is pointed to：360 ° of scanning mirror is driven to continuously run across the rotary shaft of rail scanning, can effectively using over the ground
Region outside scanning, scans cold space and instrument In-flight calibration source, improves the demarcation of instrument performance；
4. motion output angle precision is higher, under conditions of Automatic manual transmission is not changed, by adding controller
Algorithm of subdivision, can further improve angle output accuracy；
5. simple structure, small volume：Hollow rotary shaft axis is passed through along rail shafting so that the additional force of rotary motion
Square and to cut torque fluctuations minimum, is conducive to the high-precision control of scanning mirror.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of integrated space precise bidimensional sweep mechanism of this patent；
Fig. 2 is rotary motor configuration schematic diagram；
Fig. 3 is angular displacement sensor structure schematic diagram；
Fig. 4 is structure of the linear motion actuator schematic diagram；
Fig. 5 is the rear hinged component structural representation in Fig. 1 shown in A-A sectional views；
Fig. 6 is the limit device structure schematic diagram in Fig. 1 shown in B-B sectional views；
In figure：
1. scanning mirror, 2. before hinge component support, 3. before seal inner ring, 4. before sealed outer ring, 5. front axle bearing assembly, 6. turn
Moving axis, 7. electric rotating machine, 701. rotary electric machines, 702. rotary motor rotors, 8. sweep mechanism procapsid, 9. angular displacement is passed
Sensor, 901. angular displacement sensor stators, 902. angular displacement sensor rotors, 10. after bearing assembly, inner ring is sealed after 11.,
Sealed outer ring after 12., 13. sweep mechanism intermediate end covers, the support of 14. rear hinged components, 15. linear motion axis, 16. straight-line electrics
Machine, 1601. linear motor stator electrics, 1602. straight line electron movers, 17. sweep mechanism back casings, the capping of 18. linear electric motors, 19.
Rear hinged component, on 1901. mandrels, 1902. steel balls, 1903. steel ball clamping sleeves, 1904. hinge frames, under 1905. mandrels,
1906. holding screws, stopping means after 20., 21. front limit device provideds, 2101. screws, 2102. spring washers, 2103. copper cushion blocks, 22.
Preceding hinge component.
Specific embodiment
In order to the more deep understanding of this patent, a specific embodiment be set forth below, and with reference to accompanying drawing, this patent is done
It is further to describe in detail.
This example is that one kind can adapt to space high vacuum, microgravity environment, and essence is pointed to integrated, small-sized, high
The bidimensional sweep mechanism of degree, constitutes by across rail sweep mechanism and along rail sweep mechanism, general shape figure such as Fig. 1-Fig. 6 of mechanism
It is shown.
As shown in figure 1, across rail sweep mechanism mainly includes scanning mirror 1, preceding hinge component support 2, preceding sealing inner ring 3 is preceding
Sealed outer ring 4, front axle bearing assembly 5, rotary shaft 6, electric rotating machine 7, sweep mechanism procapsid 8, angular displacement sensor 9, rear bearing
Component 10, seals inner ring 11, rear sealed outer ring 12, sweep mechanism intermediate end cover 13, rear hinged component support 14, linear motion afterwards
Axle 15, rear hinged component 19, the grade parts of preceding hinge component 22；Rotary electric machine 701 and angular displacement sensor stator 901 are pacified
In sweep mechanism procapsid 8, front axle bearing assembly 5 is fitted into sweep mechanism procapsid 8, and bearing is compressed with preceding sealed outer ring 4
Outer ring, preceding sealed outer ring 4 and the mode connects for screw of sweep mechanism procapsid 8；Rotary motor rotor 702 and angular displacement sensor rotor
902 are arranged in rotary shaft 6；Rotary shaft 6 coordinates with the inner ring of front axle bearing assembly 5；Sweep mechanism intermediate end cover 13 and scanning machine
The mode connects for screw of structure procapsid 8, outer ring and the sweep mechanism intermediate end cover 13 of rear bearing assembly 10 coordinate, rear bearing assembly 10 it is interior
Circle coordinates with rotary shaft 6；Preceding sealing inner ring 3 coordinates with rotary shaft 6, and preceding sealing inner ring 3 end face compresses the interior of front axle bearing assembly 5
Circle；Sealed outer ring 12 and the mode connects for screw of sweep mechanism intermediate end cover 13 afterwards；Sealing inner ring 11 coordinates with rotary shaft 6 afterwards, seals afterwards
The inner ring of bearing assembly 10 after the end face of inner ring 11 compression；Preceding hinge component support 2 and the mode connects for screw of rotary shaft 6；Rear hinged component
Support 14 and the mode connects for screw of rotary shaft 6；1905 support 14 centre bore, core through hinge frame 1904 and rear hinged component under mandrel
1905 are held out against with rear hinged component support 14 with holding screw 1906 under axle, and steel ball 1902 is put under mandrel 1905 two ends, steel
Ball clamping sleeve 1903 uses mode connects for screw with hinge frame 1904；1901 through in hinge frame 1904 and linear motion axis 15 on mandrel
Heart hole, 1901 are held out against with linear motion axis 15 with holding screw 1906 on mandrel, and steel ball 1902 is put on mandrel 1901 two ends,
Steel ball clamping sleeve 1903 uses mode connects for screw with hinge frame 1904；The assembling of preceding hinge component 22 and preceding hinge component support 2 with it is preceding
State consistent；Preceding hinge component 22 is consistent with the above with the assembling of linear motion axis 15；Scanning mirror 1 connects with the screw of preceding hinge component 22
Connect.
As shown in figure 1, mainly including scanning mirror 1, preceding hinge component support 2, rotary shaft 6, rear hinge along rail sweep mechanism
Modular support 14, linear motion axis 15, linear electric motors 16, sweep mechanism back casing 17, linear electric motors capping 18, rear hinged component
19, rear limited block 20, front limited block 21, the grade parts of preceding hinge component 22；Screw 2101 passes through pad 2102 and copper cushion block
It is connected with linear motion axis 15 after 2103；The assembling of stopping means 20 is consistent with the assembling of front limit device provided 21 afterwards；Linear electric motors
Mover 1602 is arranged on linear motion axis 15；With scanning after sweep mechanism back casing 17 and the cooperation of sweep mechanism intermediate end cover 13
The mode connects for screw of mechanism's procapsid 8, linear motor stator electric 1601 and the mode connects for screw of sweep mechanism back casing 17, linear electric motors capping 18
It is threadedly coupled with linear motor stator electric 1601.
The movement angle scope across rail sweep mechanism of the present embodiment is 360 °；Realize rotating by angular displacement sensor 9
The movement angle control of motor 7；It is by front limit device provided 21 and preceding hinge set along the scope of movement angle backward of rail sweep mechanism
Part support 2 between spacing control, the angular range that travels forward be by rear stopping means 19 and rear hinged component support 14 it
Between spacing control；Across rail scanning and along rail scanning alternately.
This example can be relatively commonly used on integrated, small-sized, high-precision space optical remote sensing instrument, realize one
Dimension wide-angle, the space exploration of another dimension low-angle.
The one embodiment to this patent has been described in detail above, but the content is only the preferable implementation of this patent
Example, it is impossible to be considered as the practical range for limiting this patent.All impartial changes made according to present patent application scope and improvement
Deng all should still belong within the patent covering scope of this patent.
Claims (1)
1. a kind of integrated space precise bidimensional sweep mechanism, including across rail sweep mechanism and along rail sweep mechanism, its feature exists
In：
Described across rail sweep mechanism includes scanning mirror (1), sweep mechanism procapsid (8), sweep mechanism intermediate end cover (13), rotation
Rotating motor (7), angular displacement sensor (9), rotary shaft (6), linear motion axis (15), preceding hinge component (22), rear hinged component
(19), preceding hinge component support (2), rear hinged component support (14), front axle bearing assembly (5), rear bearing assembly (10), preceding sealing
Inner ring (3), afterwards preceding sealed outer ring (4), sealing inner ring (11), rear sealed outer ring (12)；The stator of described electric rotating machine (7)
(701) and angular displacement sensor (9) stator (901) in the sweep mechanism procapsid (8)；Described electric rotating machine (7)
Rotor (702) and angular displacement sensor (9) rotor (902) in rotary shaft (6)；Described preceding hinge component support
(2) one end, one end of rear hinged component support (14) are arranged in rotary shaft (6)；The one of described preceding hinge component (22)
End is arranged on preceding hinge component support (2)；One end of described rear hinged component (19) supports installed in rear hinged component
(14) on；The other end of described preceding hinge component (22), the other end of rear hinged component (19) are arranged on linear motion axis
(15) on；Described scanning mirror (1) is on preceding hinge component (22)；Described front axle bearing assembly (5) outer ring and rear bearing
Component (10) outer ring coordinates with sweep mechanism procapsid (8) and sweep mechanism intermediate end cover (13) respectively, in front axle bearing assembly (5)
Circle and rear bearing assembly (10) inner ring coordinate with rotary shaft (6)；
The described rotary shaft (6) across rail sweep mechanism is at 45 ° with scanning mirror (1)；
Described includes scanning mirror (1), sweep mechanism back casing (17), linear electric motors (16), rotary shaft along rail sweep mechanism
(6), linear motion axis (15), preceding hinge component (22), rear hinged component (19), preceding hinge component support (2), rear hinged component
Support (14), linear electric motors capping (18), front limit device provided (21), rear stopping means (20)；Described linear motor stator electric
(1601) in sweep mechanism back casing (17)；One end of described preceding hinge component support (2), rear hinged component support
(14) one end is arranged in rotary shaft (6)；The other end of described preceding hinge component support (2) is arranged on preceding hinge component
(22) on；The other end of described rear hinged component support (14) is arranged on rear hinged component (19)；Described preceding hinge set
One end of part (22), one end of rear hinged component (19), front limit device provided (21), rear stopping means (20), linear motor rotor
(1602) on linear motion axis (15)；Described scanning mirror (1) is on preceding hinge component (22)；
The described motion along rail sweep mechanism is by the minor rotation around preceding hinge component (22) and rear hinged component (19)
Realize；The movement angle scanned along rail and rotary shaft ± θ/2 at 45 °, θ is the angle scanned along rail, and the size of θ is by front limit
Device (21) is supported between the distance between (2), rear stopping means (20) and rear hinged component support (14) with preceding hinge component
Distance determine；
Described electric rotating machine (7) includes direct current torque motor, stepper motor；Angular displacement sensor (9) is encoded including Circular gratings
Device, inductosyn, rotation become transmitter；Linear electric motors (16) include voice coil motor, supersonic motor；Described preceding hinge component
(19) and rear hinged component (22) include slide hinge, roll hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119808.2U CN206282030U (en) | 2016-10-13 | 2016-10-13 | Integrated space precise bidimensional sweep mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119808.2U CN206282030U (en) | 2016-10-13 | 2016-10-13 | Integrated space precise bidimensional sweep mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282030U true CN206282030U (en) | 2017-06-27 |
Family
ID=59085964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119808.2U Withdrawn - After Issue CN206282030U (en) | 2016-10-13 | 2016-10-13 | Integrated space precise bidimensional sweep mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282030U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324829A (en) * | 2016-10-13 | 2017-01-11 | 中国科学院上海技术物理研究所 | Precise and two-dimensional scanning mechanism with integrated space |
| CN110470395A (en) * | 2019-07-10 | 2019-11-19 | 中国科学院上海技术物理研究所 | A kind of preposition two-dimentional direction of imaging spectrometer and robot scaling equipment |
| CN113391445A (en) * | 2020-03-12 | 2021-09-14 | 同方威视技术股份有限公司 | Security inspection equipment and scanning mirror driving device thereof |
-
2016
- 2016-10-13 CN CN201621119808.2U patent/CN206282030U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324829A (en) * | 2016-10-13 | 2017-01-11 | 中国科学院上海技术物理研究所 | Precise and two-dimensional scanning mechanism with integrated space |
| CN110470395A (en) * | 2019-07-10 | 2019-11-19 | 中国科学院上海技术物理研究所 | A kind of preposition two-dimentional direction of imaging spectrometer and robot scaling equipment |
| CN113391445A (en) * | 2020-03-12 | 2021-09-14 | 同方威视技术股份有限公司 | Security inspection equipment and scanning mirror driving device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170627 Effective date of abandoning: 20190101 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170627 Effective date of abandoning: 20190101 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |