CN201173855Y - Dynamic target generator - Google Patents
Dynamic target generator Download PDFInfo
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- CN201173855Y CN201173855Y CNU2008200716702U CN200820071670U CN201173855Y CN 201173855 Y CN201173855 Y CN 201173855Y CN U2008200716702 U CNU2008200716702 U CN U2008200716702U CN 200820071670 U CN200820071670 U CN 200820071670U CN 201173855 Y CN201173855 Y CN 201173855Y
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- dynamic object
- drift angle
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Abstract
The utility model relates to a dynamic target generator which adopts the technical scheme that a drift angle rotation work table is arranged on a work table, and a rotation axis is movably matched with a round hole on the work table; an accuracy rotary table is fixed on the drift angle rotation work table; a dynamic target revolving drum is fixed on the accuracy rotary table, and a plurality of target boards are fixed on the circumference surface of the dynamic target revolving drum; a drift mirror is positioned on an axes of the drift angle rotation work table, the position is fixed, and a first reflecting mirror is fixed on a center axis of the drift angle rotation work table; light rays of a light source irradiate the target boards, the target boards are reflected through the first reflecting mirror and then are imaged on the drift mirror. The dynamic target generator can simulate dynamic unlimited distant high accuracy targets, provides forward moving targets for the dynamic photographing detection of an aviation camera, can realize drift movement of the targets at the same time, realizes dynamic resolving capability detection for the aviation camera in a laboratory, greatly saves the development and the detection funds, raises the work efficiency and shortens the development cycle.
Description
Technical field
The utility model relates to a kind of dynamic object generator, and particularly a kind of and parallel light tube constitutes distant object, at different flying heights, the following atural object that will take of speed, realizes that dynamic resolution of aerial camera detects with the simulation aerial camera.
Background technology
At present the detection to the dynamic resolution of aerial camera mainly is the method that flies by aviation school, other factory, lay target on ground, take the land-based target picture of marking on a map by flight aboard, get back to behind the ground by detecting the dynamic photographic resolution that the aerial map of taking during the flight looks like to detect aerial camera.This method has several shortcomings:
1) cost height.The cost of each Sortie and detects once minimum several even tens sorties of wanting greatly about about several ten thousand yuan, and this will certainly improve the testing cost and the development cost of aerial camera greatly.
2) cycle is long.Because Sortie is subjected to the influence of course line and climatic environment very big, therefore the time of each Sortie can't be determined in advance, must determine that at any time this can prolong the sense cycle of aerial camera greatly according at that time course line and climatic environment, reduce work efficiency.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of dynamic object generator; This dynamic object generator can produce forward direction image drift campaign and motion of crab, and simulation is with respect to the ground scenery of aerial camera, thereby the dynamic resolution that can realize aerial camera in the laboratory detects.
Dynamic object generator of the present utility model comprises light source, dynamic object rotary drum, first catoptron, bias current mirror, precise rotating platform, drift angle rotary work-table, worktable; The drift angle rotary work-table places on the worktable, and the circular hole on its rotation axis and the worktable movingly; Precise rotating platform is fixed on the drift angle rotary work-table, the axis of its axis runout drift angle rotary work-table; Dynamic object rotary drum and light source are fixed on the precise rotating platform, and are fixed with a plurality of Target Boards on the dynamic object rotary drum periphery; The bias current mirror is positioned on the axis of drift angle rotary work-table, and its stationkeeping is motionless, and first catoptron is fixed on the central shaft of drift angle rotary work-table; The irradiate light of light source is on Target Board, and Target Board is through imaging on the bias current mirror after first mirror reflects.
The rayed that light source sends makes Target Board through being imaged on the bias current mirror after first mirror reflects on the Target Board on the dynamic object rotary drum circumference.When the dynamic object rotary drum rotated with precise rotating platform, Target Board was made circumferential movement along the circumference of dynamic object rotary drum, and it is imaged on the pick-up unit receiving plane by parallel light tube in imaging on the bias current mirror.The ground scenery that will take when at this moment, Target Board can be simulated the flight of aircraft forward direction; The drift angle rotary work-table rotates, and drive the precise rotating platform and first catoptron and swinging in certain angle range, and dynamic object rotary drum and light source is being swung in certain angle range with precise rotating platform; Because the bias current mirror maintains static, thereby Target Board turns over certain angle at pick-up unit receiving plane imaging moving direction after the bias current mirror reflection, can simulate the ground scenery that aircraft will be taken when air-flow effect ventrocephalad flies.
The utility model can be simulated dynamic infinite high precision target far away, and the no center that this target is positioned at focal length 4m hides on the reflective parallel light tube focal plane, hurdle, for detecting, the photochronograph of aerial camera provides the forward direction moving target, can realize simultaneously the bias current action of target, make infinity high precision target produce the bias current effect.The utility model provides multi-functional dynamic object for the detection of aerial camera, has realized that in the laboratory aerial camera being carried out dynamic resolution detects; The dynamic photographic resolution of aerial camera can be accurately detected on the one hand, on the other hand, development and detection funds can be greatly saved, improve the work efficiency of general assembly detection-phase greatly, shorten the lead time, pinpoint the problems early, guarantee that the school, outfield flies to test acquisition good photo and image.
Described worktable is positioned on the line slideway; Worktable can move on line slideway, and Target Board is positioned on the focal plane of parallel light tube in imaging on the bias current mirror.
Described light source comprises pointolite, condenser, optical filter; The light that pointolite sends is converted to converging light through condenser, and this converging light is radiated at behind the even light of mating plate on the Target Board on the dynamic object rotary drum periphery more after filtration.
Light that pointolite sends becomes converging light through condenser, and the energy centralization that can make light on one point; And converging light mating plate after filtration can access the suitable uniform light of illumination.Like this, just can make the receiving plane of pick-up unit can access the imaging of Target Board clearly with the uniform irradiate light Target Board that energy is higher and illumination is suitable.
Can also comprise heat shield between described pointolite and the condenser, be used for the heat energy that the isolating points light source is dispersed; The opposite side relative with heat shield at pointolite also placed spherical reflector, is used for the energy of pointolite is converted into a bit.
Can also comprise reflector group between described optical filter and the Target Board; After changing direction by reflector group, the converging light after the optical filter homogenising is radiated on the Target Board.
Described reflector group comprises second catoptron and the 3rd catoptron; Be radiated on the Target Board after second catoptron and the 3rd mirror reflects through the converging light after the optical filter homogenising.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.1 dynamic object rotary drum among the figure, 2 bias current mirrors, 3 first catoptrons, 4 precise rotating platforms, 5 drift angle rotary work-tables, 6 worktable, 7 pointolites, 8 condensers, 9 optical filters, 10 second catoptrons, 11 the 3rd catoptrons, 12 spherical reflectors, 13 heat shields, supporting seat 14.
Embodiment
As shown in Figure 1, dynamic object generator of the present utility model comprises light source, dynamic object rotary drum 1, bias current mirror 2, the first catoptrons 3, precise rotating platform 4, drift angle rotary work-table 5, worktable 6.
Described light source comprises pointolite 7, condenser 8, optical filter 9; Spherical reflector 12, pointolite 7, heat shield 13, condenser 8, optical filter 9 and second catoptron 10 are placed with the optical axis order, the normal of second catoptron 10 and the angle between the optical axis are 45 degree, and spherical reflector 12, pointolite 7, heat shield 13, condenser 8, optical filter 9 and second catoptron 10 are fixedly installed in the shell, this shell is fixed on the dynamic object rotary drum 1, can rotate with dynamic target rotary drum 1; The 3rd catoptron 11 is fixedly installed in the dynamic object rotary drum 1, can rotate with dynamic target rotary drum 1, and the 3rd catoptron 11 is positioned on the reflected light path of second catoptron 10 second catoptron 10 and the 11 parallel placements of the 3rd catoptron.
Dynamic object rotary drum 1 is an annular, and the excircle of annular rotary drum is made the Target Board that detects usefulness on curved surface, and dynamic object rotary drum 1 is fixed on the precise rotating platform.
The light that pointolite 7 sends is assembled through spherical reflector 12 and condenser 8, changes directions by second catoptron 10, the 3rd catoptron 11 through heat shield 13 after heat insulation and optical filter 9 homogenising again, is radiated on the Target Board.
Precise rotating platform 4 is positioned on the supporting seat 14, and the upper surface of the bottom of supporting seat 14 and drift angle rotary work-table 5 welds together, and the rotation axis of precise rotating platform 4 connects with the axle of direct current moment motor in being fixed on supporting seat 14.Precise rotating platform 4 is rotated by direct current moment motor-driven.Precise rotating platform 4 can be realized motions such as constant speed, variable velocity, sine by motor-driven.
Drift angle rotary work-table 5 places on the worktable 6, and the through hole on its rotation axis and the worktable 6 is movingly by the nonstandard close pearl axis of rolling, and rotation axis connects with the axle of direct current moment motor; Drift angle rotary work-table 5 can be swung in an angle of 90 degrees scope by direct current moment motor-driven.
Worktable 6 supports by roller and places on the line slideway, can be moved on line slideway by driven by motor, and Target Board is positioned on the focal plane of parallel light tube in imaging on the bias current mirror.
The dynamic object generator generally is placed in 4m focal length parallel light tube next door, be positioned on the focal surface of collimator tube, and detected camera is placed in light pipe light-emitting window place.Behind the parallel light tube collimation, the tested relatively camera lens of the Target Board on the dynamic object rotary drum 1 becomes the target of infinite distance.When dynamic object rotary drum 1 rotated with certain rule perpendicular to optical axis, the dynamic tested relatively camera lens of Target Board can be simulated the dynamic simulation target of certain distance.
Claims (6)
1, a kind of dynamic object generator is characterized in that comprising light source, dynamic object rotary drum (1), first catoptron (3), bias current mirror (2), precise rotating platform (4), drift angle rotary work-table (5), worktable (6); Drift angle rotary work-table (5) places on the worktable (6), and the circular hole on its rotation axis and the worktable (6) movingly; Precise rotating platform (4) is fixed on the drift angle rotary work-table (5), the axis of its axis runout drift angle rotary work-table (5); Dynamic object rotary drum (1) is fixed on the precise rotating platform (4), and is fixed with a plurality of Target Boards on dynamic object rotary drum (1) periphery; Bias current mirror (2) is positioned on the axis of drift angle rotary work-table (5), and its stationkeeping is motionless, and first catoptron (3) is fixed on the central shaft of drift angle rotary work-table (5); The irradiate light of light source is on Target Board, and Target Board images on the bias current mirror (2) after first catoptron (3) reflection.
2, dynamic object generator according to claim 1 is characterized in that described worktable (6) is positioned on the line slideway.
3, dynamic object generator according to claim 1 is characterized in that described light source comprises pointolite (7), condenser (8), optical filter (9); The light that pointolite (7) sends is converted to converging light through condenser (8), and this converging light is radiated at behind the even light of mating plate (9) on the Target Board on dynamic object rotary drum (1) periphery more after filtration.
4, dynamic object generator according to claim 3 is characterized in that also comprising heat shield (13) between described pointolite (7) and the condenser (8); The opposite side relative with heat shield (13) at pointolite (7) also placed spherical reflector (12).
5, dynamic object generator according to claim 3 is characterized in that also comprising reflector group between described optical filter (9) and the Target Board.
6, dynamic object generator according to claim 5 is characterized in that described reflector group comprises second catoptron (10) and the 3rd catoptron (11); Be radiated on the Target Board after second catoptron (10) and the 3rd catoptron (11) reflection through the converging light after optical filter (9) homogenising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200716702U CN201173855Y (en) | 2008-04-10 | 2008-04-10 | Dynamic target generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200716702U CN201173855Y (en) | 2008-04-10 | 2008-04-10 | Dynamic target generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173855Y true CN201173855Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200716702U Expired - Lifetime CN201173855Y (en) | 2008-04-10 | 2008-04-10 | Dynamic target generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251440B (en) * | 2008-04-10 | 2010-06-02 | 中国科学院长春光学精密机械与物理研究所 | Dynamic goal simulator |
| CN102853998A (en) * | 2012-08-29 | 2013-01-02 | 中国科学院长春光学精密机械与物理研究所 | Variable pitch dynamic goal simulating system and using method thereof |
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulation method and device |
| CN104865848A (en) * | 2015-06-05 | 2015-08-26 | 吉林大学 | Dynamic object generation system for aviation spectral camera |
| CN107655495A (en) * | 2017-09-22 | 2018-02-02 | 公安部第三研究所 | Unmanned plane differentiates force checking device and method with video camera |
| CN110542434A (en) * | 2019-08-23 | 2019-12-06 | 中国科学院西安光学精密机械研究所 | Target for ground debugging of satellite-borne integrated rapid observation system and ground debugging method |
-
2008
- 2008-04-10 CN CNU2008200716702U patent/CN201173855Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251440B (en) * | 2008-04-10 | 2010-06-02 | 中国科学院长春光学精密机械与物理研究所 | Dynamic goal simulator |
| CN102853998A (en) * | 2012-08-29 | 2013-01-02 | 中国科学院长春光学精密机械与物理研究所 | Variable pitch dynamic goal simulating system and using method thereof |
| CN102853998B (en) * | 2012-08-29 | 2015-08-19 | 中国科学院长春光学精密机械与物理研究所 | Displacement dynamic object simulation system and using method thereof |
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulation method and device |
| CN104865848A (en) * | 2015-06-05 | 2015-08-26 | 吉林大学 | Dynamic object generation system for aviation spectral camera |
| CN104865848B (en) * | 2015-06-05 | 2017-04-12 | 吉林大学 | Dynamic object generation system for aviation spectral camera |
| CN107655495A (en) * | 2017-09-22 | 2018-02-02 | 公安部第三研究所 | Unmanned plane differentiates force checking device and method with video camera |
| CN110542434A (en) * | 2019-08-23 | 2019-12-06 | 中国科学院西安光学精密机械研究所 | Target for ground debugging of satellite-borne integrated rapid observation system and ground debugging method |
| CN110542434B (en) * | 2019-08-23 | 2021-04-20 | 中国科学院西安光学精密机械研究所 | Target for ground debugging of satellite-borne integrated rapid observation system and ground debugging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081231 Effective date of abandoning: 20080410 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20081231 Effective date of abandoning: 20080410 |