CN213443142U - Ground simulation platform with image motion compensation for aerial camera detection - Google Patents
Ground simulation platform with image motion compensation for aerial camera detection Download PDFInfo
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- CN213443142U CN213443142U CN202020533088.4U CN202020533088U CN213443142U CN 213443142 U CN213443142 U CN 213443142U CN 202020533088 U CN202020533088 U CN 202020533088U CN 213443142 U CN213443142 U CN 213443142U
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Abstract
The utility model discloses a ground simulation platform that is used for aerial camera to detect that has image motion compensation, including but height-adjusting's fixing base, ZX base support frame and place the revolving stage at ZX base support frame, the vibrator is fixed to be placed in the backup pad of revolving stage to carry the cloud platform with aerial camera and fix and place and be used for simulating the vibration environment on the vibrator, X axle pivot, through bearing fixed mounting on ZX base support frame, X axle pivot both ends are installed X axle encoder and X axle direct current torque motor respectively, the utility model discloses a course angle when unmanned aerial vehicle flies can be simulated to base and revolving stage; the vibration table is fixed on the rotary table and used for simulating a jolting environment of the unmanned aerial vehicle during flying or task execution, the simulation is more real, the airborne aerial camera fixing table and the reflector are driven by the direct-current torque motor, and the reflector is used for image motion compensation, aerial speed compensation or visual field expansion.
Description
Technical Field
The utility model relates to a flight simulation technical research technical field especially relates to a ground simulation platform that has the compensation of moving the image for aerial camera detects.
Background
Along with the rapid development of computers, network technologies and photoelectric communication and the continuous improvement of image information acquisition and processing technologies, airborne aerial cameras also have great changes and undergo the processes from endless to endless and from weak to strong. In recent years, unmanned aerial vehicles are increasingly popular with people, and the application fields of the unmanned aerial vehicles are very many, meanwhile, the requirements of people on the optical performance and the imaging quality of an airborne aerial camera lens are also increasingly high.
At present, a Multi-rotor Unmanned Aerial Vehicle (UAV) is widely applied, and is an unmanned small helicopter which can realize radio remote control, a body of the helicopter is provided with radio communication equipment, an airborne cradle head, an aerial camera, a GPS positioning system and the like, and the helicopter is applied to the fields of battlefield reconnaissance, communication relay, missile guidance, resource detection, meteorological monitoring, aerial photography, medical rescue and the like.
The unmanned aerial vehicle has the advantages of good flight maneuverability, flexible applicability and the like, and benefits from the rapid development of the computer intelligence field and the photoelectric communication industry and the very wide and flexible application field of the unmanned aerial vehicle, and the airborne aerial camera has higher imaging quality and becomes the focus of research of everybody. Therefore, in order to meet the basic requirement that the unmanned aerial vehicle can execute tasks in different environments, experts, scholars and large and small enterprises in universities and universities begin to research a rotor unmanned aerial vehicle with an airborne tripod head and a control system, which is high in precision, strong in adaptability and high in response speed, and meanwhile, large institutions and research institutes also use fewer lenses to obtain an aerial camera with good imaging quality in research and design. At present, in order to test the imaging quality and the control performance of an airborne aerial camera, designed airborne cloud platforms are basically carried with the aerial camera and directly installed on an unmanned aerial vehicle for imaging quality detection. The method for directly carrying the aerial camera on the unmanned aerial vehicle to carry out outdoor flying to test the imaging quality of the aerial camera is direct and real, but the research and development process of detecting the imaging quality of the aerial camera and the aerial camera is not finished at one time, the optimization, improvement, debugging and optimization of the design structure need to be repeatedly carried out, the unmanned aerial vehicle is used as a carrier to carry out actual flying in each debugging and modifying stage, the field capable of meeting various working environments needs to be met, the production period is prolonged, and higher cost can be generated due to operation errors.
The invention patent with the granted publication number of CN105923168A discloses a gyroplane flight simulation platform for an airborne pan-tilt test, wherein the pan-tilt comprises a base, a four-degree-of-freedom platform, a chain wheel driving mechanism, a chain, a camera pan-tilt bracket and a camera pan-tilt. The gyroplane flight simulation motion platform can realize linear motion in the X-axis direction and motion postures of vertical motion, pitch angle and roll angle in the Z-axis direction, but a chain transmission mechanism is adopted for the pitching and linear motion of the platform, and as a chain wheel and a chain are easily abraded and stretched in the motion process, additional load can be generated in the operation process, the gyroplane flight simulation motion platform is not suitable for rapid reverse motion, the cost is high, and the control precision and the motion precision are low.
The utility model is characterized in that the cost is few, used repeatedly and can simulate unmanned aerial vehicle's flight. The device is assembled by adopting a separable structure, and a rotary table is used for simulating the course angle +/-180 degrees and the pitch angle +/-45 degrees of the unmanned aerial vehicle; the vibration table adopts a motor and eccentric wheel structure to generate vibration to simulate the environment of the unmanned aerial vehicle when the unmanned aerial vehicle executes tasks; the aerial photography camera carries on the cloud platform and can realize the roll motion, and is provided with the reflector before the aerial photography camera, and its mainly is the image motion compensation that is used for the aerial photography camera, enlarges effects such as field of vision for the inside pendulum structure of sweeping of simulation unmanned aerial vehicle aerial photography camera lens.
Disclosure of Invention
Carry on unmanned aerial vehicle for solving the camera of will taking photo by plane and carry out this problem of imaging quality test, the utility model provides a can simulate the ground simulation platform that has the image shift compensation that is used for that the aerial camera detected of unmanned aerial vehicle flight gesture and operational environment.
In order to achieve the above object, the utility model provides a following technical scheme: a ground simulation platform that is used for aerial camera to detect that has image motion compensation, it includes but height-adjusting's fixing base, ZX base support frame and places the revolving stage at ZX base support frame, the vibrator is fixed to be placed in the backup pad of revolving stage to carry on aerial camera cloud platform and fix and place and be used for simulating the vibration environment on the vibrator, X axle pivot, through bearing fixed mounting on ZX base support frame, X axle pivot encoder and X axle direct current torque motor are installed respectively to X axle pivot both ends.
Preferably, the aerial camera carries on cloud platform include: the device comprises a connecting base, a transverse rolling shaft bracket, a Y-axis direct-current torque motor, a Y-axis transverse rolling shaft, a Y-axis transverse rolling frame, a reflector rotating shaft, a reflector driving motor, an aerial camera supporting frame, an aerial camera swing table driving motor, an aerial camera swing table supporting frame, an encoder, an aerial camera swing table rotating shaft encoder, a reflector lens fixing block, a reflector lens frame, a reflector lens frame fixing hole, a reflector supporting rotary table and a reflector rotating shaft encoder;
the speculum pass through the lens fixed block and fix on the speculum mirror frame to adopt screw cooperation speculum mirror frame fixed orifices to fix on speculum support revolving stage, utilize direct current torque motor to drive, speculum pivot encoder is installed to the opposite side of speculum axis of rotation, this speculum is installed in airborne aerial photography camera the place ahead, its turned angle cooperation aerial photography camera is nimble to be rotated, the purpose of this cloud platform design speculum is because unmanned aerial vehicle fast or unmanned aerial vehicle flight gesture too big leads to aerial photography camera formation of image to have the error and carry out the image and move compensation and enlarge the field of vision.
Preferably, the turntable can realize the air motion of +/-180 DEG course angle and +/-45 DEG pitching motion.
Preferably, the ground simulation platform with image motion compensation for aerial camera detection is characterized in that the aerial camera carrying holder can realize +/-30-degree rolling motion.
Compared with the prior art, the beneficial effects of the utility model are that: the ground simulation platform with image motion compensation for aerial camera detection of the utility model has simple structure, easy processing, easy operation and low cost; the reflector structure is added on the reflector, so that image motion compensation can be well carried out, and the visual field is enlarged; adopt the components of a whole that can function independently equipment, bottom revolving stage part can use as two revolving stages alone, and the aerial camera of upper portion carries on the cloud platform and can carry on unmanned aerial vehicle as airborne aerial cloud platform and use. The utility model discloses can simulate unmanned aerial vehicle's flight gesture really, solve well because directly carry on unmanned aerial vehicle and carry out a series of problems of aviation camera test, all in all for the ground simulation platform that has the image shift compensation that the aviation camera detected is multiple functional, and practical value is high, and its application prospect is considerable very.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a ground-based simulation platform with image motion compensation for aerial camera inspection;
FIG. 2 is another perspective view of a ground-based simulation platform with image motion compensation for aerial camera inspection;
FIG. 3 is an exploded perspective view of a turntable of a ground-based simulation platform with image motion compensation for aerial camera inspection;
FIG. 4 is a perspective view of an aerial camera carrying pan/tilt head of a ground simulation platform with image motion compensation for aerial camera detection;
FIG. 5 is a perspective view of the aerial camera carrying platform with the ground simulation platform for image motion compensation for aerial camera detection in another direction;
fig. 6 is a control principle system diagram of a ground-based simulation platform with image motion compensation for aerial camera inspection.
Description of reference numerals: 1. a fixed seat with adjustable height, 2, a ZX base supporting frame, 3, a rotary table,
301. A motor shell, 302, a Z-axis direct-current torque motor, 303, a fixed shaft sleeve, 304, a rotating platform and X-axis rotating shaft connecting frame, 305 a vibrating platform supporting plate, 306, a rotating shaft, 307, a bearing, 308, a rotating platform encoder, 4, a vibrator, 5, an aerial camera carrying platform, 501, a connecting base, 502, a rolling shaft support, 503, a Y-axis direct-current torque motor, 504, a Y-axis rolling shaft, 505, a Y-axis rolling frame, 506, a reflector rotating shaft, 507, a reflector driving motor, 508, an aerial camera supporting frame, 509, an aerial camera supporting platform driving motor, 510, an aerial camera supporting platform supporting frame, 511, an encoder, 512, an aerial camera supporting platform rotating shaft encoder, 513, a reflector fixing block, 514, a reflector frame, 515, a reflector, a rotating platform 516, a reflector frame fixing hole, 517, a reflector supporting frame, 518, a reflector rotating shaft encoder, 6, an X-axis rotating shaft encoder, 7. the X-axis rotating shaft, 8 the X-axis direct current torque motor and 9 the X-axis rotating shaft.
Detailed Description
The following describes a specific embodiment of the ground simulation platform with image motion compensation for aerial camera detection according to the present invention with reference to the accompanying drawings and specific embodiments.
The invention provides a ground simulation platform with image motion compensation for aerial camera detection, which comprises a fixed seat 1 with adjustable height, a ZX base supporting frame 2 and a rotary table 3 arranged on the ZX base supporting frame, wherein a vibrator 4 is fixedly arranged on a supporting plate of the rotary table 3, an aerial camera carrying cloud platform 5 is fixedly arranged on the vibrator for simulating a vibration environment, X-axis rotating shafts 7 and 9 are fixedly arranged on the ZX base supporting frame 2 through bearings, and an X-axis rotating shaft encoder 6 and an X-axis direct-current torque motor 8 are respectively arranged at two ends of the X-axis rotating shaft.
The vibration table shown in fig. 1 adopts a motor to drive an eccentric wheel to generate vibration, and is used for simulating the phenomenon that the adverse environment when an unmanned aerial vehicle executes tasks is not free from jolting and shaking, so that the imaging quality of an airborne aerial camera is influenced, and the performance of a camera holder is convenient to detect.
The portion of the turntable 3 shown in fig. 3 includes a motor housing 301, a Z-axis dc torque motor 302, a fixed bushing 303, a turntable and X-axis shaft connecting bracket 304, a vibration table support plate 305, a rotating shaft 306, a bearing 307, and a turntable encoder 308. The turntable can realize circumferential rotation of the airborne aerial camera, the rotation angle which can be realized by the turntable is +/-180 degrees, and an encoder arranged on the rotation shaft can monitor the course angle of the turntable and the driving speed of the motor in real time, so that the detection requirement is met.
The aerial camera mounting platform shown in fig. 4 and 5 includes a connection base 501, a roll shaft bracket 502, a Y-axis dc torque motor 503, a Y-axis roll shaft 504, a Y-axis roll frame 505, a mirror rotating shaft 506, a mirror driving motor 507, an aerial camera supporting frame 508, an aerial camera placing driving motor 509, an aerial camera placing supporting frame 510, an encoder 511, an aerial camera placing rotating shaft encoder 512, a mirror piece fixing block 513, a mirror frame 514, a mirror 515, a mirror frame fixing hole 516, a mirror supporting turntable 517, and a mirror rotating shaft encoder 518. And each shaft of the aerial camera carrying holder is provided with a direct-current torque motor and an encoder, so that real-time control and detection can be performed, and experimental data can be extracted. This part can realize the roll gesture of machine year aerial photography camera, its roll angle can reach 30, the turned angle of machine year aerial photography camera axis of rotation is 5, this part designs into the flexibility that rotates the improvement device, the turned angle of speculum is adjusted by oneself according to machine year aerial photography camera demand, the purpose of this cloud platform design speculum is because unmanned aerial vehicle fast or unmanned aerial vehicle flight gesture is too big leads to aerial photography camera formation of image to have the error and carry out image shift compensation and enlarge the field of vision, this ground simulation platform design big bright spot also.
The utility model provides a course, every single move and roll motion that is used for ground simulation platform that has the image motion compensation of aerial camera detection not only can be used for simulating when unmanned aerial vehicle flies, can also carry out the image motion compensation to the camera of taking photo by plane, improves the imaging quality and enlarges the shooting field of vision of the camera of taking photo by plane. The utility model discloses motion gesture when simulation unmanned aerial vehicle that can be very lifelike flies to improve camera imaging quality to a certain extent, shortened the check cycle of taking photo by plane camera, reduce cost has certain practical value and good application prospect.
Claims (4)
1. A ground simulation platform that is used for aerial camera to detect has image motion compensation, a serial communication port, it includes but height-adjusting's fixing base (1), ZX base support frame (2) and places revolving stage (3) at ZX base support frame, vibrator (4) are fixed to be placed in the backup pad of revolving stage (3), and carry on aerial camera cloud platform (5) and fix and place and be used for simulating the vibration environment on the vibrator, X axle pivot (7), (9) are through bearing fixed mounting on ZX base support frame (2), X axle pivot encoder (6) and X axle direct current torque motor (8) are installed respectively to X axle pivot both ends.
2. The ground-based simulation platform with image motion compensation for aerial camera inspection according to claim 1, characterized in that the aerial camera-mounted pan/tilt head (5) comprises: the device comprises a connecting base (501), a transverse rolling shaft support (502), a Y-axis direct-current torque motor (503), a Y-axis transverse rolling shaft (504), a Y-axis transverse rolling frame (505), a reflector rotating shaft (506), a reflector driving motor (507), an aerial camera support frame (508), an aerial camera swing table driving motor (509), an aerial camera swing table support frame (510), an encoder (511), an aerial camera swing table rotating shaft encoder (512), a reflector lens fixing block (513), a reflector mirror frame (514), a reflector (515), a reflector mirror frame fixing hole (516), a reflector supporting rotary table (517) and a reflector rotating shaft encoder (518);
speculum (515) fix on speculum mirror frame (514) through lens fixed block (513), and adopt screw cooperation speculum mirror frame fixed orifices (516) to fix on speculum support revolving stage (517), utilize direct current torque motor to drive, speculum pivot encoder (518) are installed to the opposite side of speculum axis of rotation, this speculum is installed in the airborne camera the place ahead of taking photo by plane, its turned angle cooperation camera of taking photo by plane is nimble to be rotated, the purpose of this cloud platform design speculum is because unmanned aerial vehicle is fast or unmanned aerial vehicle flight gesture is too big leads to the aerial camera formation of image to have the error and carry out the image and move compensation and enlarge the field of vision.
3. The ground-based simulation platform with image motion compensation for aerial camera inspection according to claim 1, characterized in that the turntable (3) can achieve ± 180 ° course angle, ± 45 ° pitching motion aerial motion.
4. The ground simulation platform with image motion compensation for aerial camera inspection according to claim 1, characterized in that the aerial camera carrying pan/tilt head (5) can realize ± 30 ° roll motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533088.4U CN213443142U (en) | 2020-04-13 | 2020-04-13 | Ground simulation platform with image motion compensation for aerial camera detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020533088.4U CN213443142U (en) | 2020-04-13 | 2020-04-13 | Ground simulation platform with image motion compensation for aerial camera detection |
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| CN213443142U true CN213443142U (en) | 2021-06-15 |
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| CN202020533088.4U Expired - Fee Related CN213443142U (en) | 2020-04-13 | 2020-04-13 | Ground simulation platform with image motion compensation for aerial camera detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820443A (en) * | 2021-09-02 | 2021-12-21 | 深圳职业技术学院 | Flame spread characteristic measuring device and measuring method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820443A (en) * | 2021-09-02 | 2021-12-21 | 深圳职业技术学院 | Flame spread characteristic measuring device and measuring method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |