CN103047971B - Economical airborne oblique digital aerial photography system - Google Patents
Economical airborne oblique digital aerial photography system Download PDFInfo
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- CN103047971B CN103047971B CN201310019024.7A CN201310019024A CN103047971B CN 103047971 B CN103047971 B CN 103047971B CN 201310019024 A CN201310019024 A CN 201310019024A CN 103047971 B CN103047971 B CN 103047971B
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Abstract
The invention discloses an economical airborne oblique digital aerial photography system, which is composed of eight parts including front, back, left and right oblique photographing units, one vertical photographing unit, a connection base plate, a micro GPS (Global Position System) navigator and a system controller. Each photographing unit is composed of a CCD (Charge Coupled Device) working camera, a camera fixing piece, a camera rotating base and a camera protection cover, the four oblique photographing units can rotate at multiple angles around the plane of the connection base plate, and the vertical photographing unit is vertically fixed on the plane of the connection base plate; and a camera control line and a power line are connected with the system controller through a distributing box, and a data output port of the GPS navigator is connected with the system controller. Except for the controller, the parts of the system are fixed on the connection base plate, and the system realizes isochronous or equidistant photographing and synchronous acquisition of GPS navigation data through the system controller. The economical airborne oblique digital aerial photography system overcomes the defects that the conventional aerial photography is lack of image facade information, the existing oblique aerial photography system is expensive, and the like, and can effectively meet the requirements on rapid acquisition and application of urban geographic information.
Description
Technical field
The present invention relates to a kind of airborne inclined digital aviation camera chain, belong to the comprehensive crossover technical field of electromechanical integration, Automated condtrol and digital photogrammetry technology, be mainly used in take photo by plane geography information relevant industries and the fields such as mapping, Homeland Security, housing property management, digital city, effectively can meet urban geographic information quick obtaining and application requirement.
Background technology
Airborne inclined photography is the high-new technology of taking photo by plane that international survey field grew up in recent years, and it by carrying the different multiple stage sensor of camera angle on same flying platform, gathers the aerial image of the different side of atural object.The vertical photography pattern that tradition is taken photo by plane has been overturned in airborne inclined photography, and the multi-angle oblique image that it gathers meets the world true directly perceived of human eye vision, and spatial information is abundanter, complete, friendly, is with a wide range of applications.But, the shortcoming that existing airborne inclined camera chain generally all exists that design is complicated, instrument maximizes, involves great expense in the world, operating cost is high, and single, close to the oblique photograph angle design of 40 degree mainly in order to meet the object that view covers, the needs of Surveying and Mapping Industry image mapping can not be adapted to very well.In recent years, based on unmanned plane, the Technology of low altitude remote sensing of unmanned airship obtains and develops faster, the resolution of high performance CCD camera can reach tens million of grades of pixels, utilizing is mounted on unmanned flight's platform, camera angle design and rational multiple CCD (the appliance coupler part of integral layout, Charge Coupled Device) camera carries out low latitude photography can not only for Natural Disaster Evaluation, military information is collected, emergency command, the application such as city management provides low cost, real-time high definition inclination image data, the needs of Surveying and Mapping Industry mapping and other three-dimensional spatial information process can also be met, it is low that we have invented a kind of cost based on the problems referred to above just, structure is simple, support the airborne inclined digital aviation camera chain of the high resolving power of multiple oblique photograph angle,
The object of the invention: with in, the general commercial CCD digital camera of long-focus is work camera, a kind of low cost towards low-altitude remote sensing is provided, support the airborne inclined digital aviation camera chain of multiple camera angle, which overcome existing airborne inclined camera chain to involve great expense, operating cost is high, oblique photograph angle is single and require high deficiency to lift-launch flying platform, can be real-time, obtain the high definition inclination image data of different visual angles flexibly, adapt to browse from user's multi-angle, simple geographical quantity of information measures the image demand of the different levels such as accurate mapping, effectively meet mapping of taking photo by plane, Homeland Security, housing property management, the geography information relevant industries application purposes such as digital city.
Summary of the invention
The present invention fully utilizes electromechanical integration, Automated condtrol and digital photogrammetry technology, invent a set of towards low-altitude remote sensing, the airborne inclined digital aviation camera chain of supporting multiple camera angle, cost and operating cost low, realize high definition inclination image over the ground efficient, reliably gather.
The technical solution adopted for the present invention to solve the technical problems:
System is made up of four, front, rear, left and right oblique photograph unit, vertical photography unit, connecting bottom board, miniature GPS navigator, system controller eight part; Four, system front, rear, left and right oblique photograph unit is around connecting bottom board plane can position rotating be to 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree separately, and vertical photography unit is perpendicular to connecting bottom board plane; Four, front, rear, left and right oblique photograph unit basic structure is identical, is made up of work camera, camera fixture, camera rotary seat and camera protective cover of CCD, and vertical photography unit is except without except camera rotary seat, and other structure is identical with oblique photograph unit; Camera protective cover has camera view frame, camera control frame, storage card handling frame, can direct viewing image, manually arrange camera parameter and change storage card; The all devices of system are all fixed on connecting bottom board except system controller; Camera control line, power lead are connected with system controller by junction box, and miniature GPS navigator data output interface is connected with system controller; System utilizes four oblique photograph unit and vertical photography unit to carry out the oblique photograph over the ground in five directions, when realizing waiting of camera unit work camera by system controller or equidistant spectrum assignment and GPS navigation data syn-chronization obtain.
Camera fixture is made up of firm banking, left and right pull hook, camera focus fixing hoop three part; Firm banking is made up of base plate and camera liner plate two parts, and camera liner plate and camera are fixed together, and camera liner plate has Cao consistent with camera bottom shape, has a camera pedestal fixed screw below it; Left and right pull hook holds the buckle of camera the right and left respectively, regulates degrees of tensions by nut; Camera focus fixing hoop is by front clip, rear clip, and micro-focusing ring, the rough focusing ring of fixed camera respectively, the inwall of clip all posts round rubber pad.
Handle cover on camera rotary seat is the rotating circular disk of a connection turning axle, it has two arc Cao and angle orientation hole, for camera unit being fixed to a certain certain tilt angle position, 7 angle orientation holes respectively corresponding camera unit around connecting bottom board plane be rotated down angle 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree, when rotating to wherein a certain angle, plate hole is fixed on alignment angle pilot hole and a left side, be screwed into screw and fix this angle, then lock turning axle by lock screw one and lock screw two.
Connecting bottom board is that the work camera of four the oblique photograph unit in front, rear, left and right has T-shaped hole, and from then on work camera lens leans out in hole; For the work camera of vertical photography unit has yi word pattern hole, shooting angle fixed vertical; Miniature GPS navigator is arranged on connecting bottom board, and GPS double antenna to be arranged on airborne shell and to be connected with GPS navigator PORT COM.
System controller is in switch board inside, is made up of industrial PC, system power supply, camera control plate, serial communication modular four part; System power supply break-make is controlled by pushbutton switch; Industrial PC carries out communication by communication module and camera control plate, and utilize camera control plate realize to 5 CCD work waiting of cameras time or control of equidistantly taking pictures, isolated by optocoupler between camera control plate and camera; Industrial PC realizes the Initialize installation of miniature GPS navigator by serial communication modular and obtains with the navigation information of the exposure sync of work camera;
(4) accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 system global structure figure
Fig. 2 camera anchor structure figure
Fig. 3 camera rotating seat structure figure
Fig. 4 mounting base structural drawing
Fig. 5 system electrical structure figure
In Fig. 1: 1. right bank camera unit camera protective cover, 2. right bank camera unit camera view frame, 3. right bank camera unit camera rotary seat, 4. top rake camera unit camera protective cover, 5. top rake camera unit camera rotary seat, 6. top rake camera unit camera view frame, 7. left bank camera unit camera protective cover, 8. left bank camera unit camera view frame, 9. left bank camera unit camera rotary seat, 10. rear-inclined camera unit camera rotary seat, 11. rear-inclined camera unit camera protective covers, 12. rear-inclined camera unit camera view frames, 13. connecting bottom boards, 14. junction boxs one, 15. junction boxs two, 16.GPS navigating instrument fixed area, 17. vertical photography unit camera protective covers, 18. vertical photography unit camera view frames.
In Fig. 2: 19.CCD works camera, 20. firm bankings, 21. left hooks, 22. right hook seats, clip lid before 23., clip lids after 24., 25. left hook seats, 26. setting nuts, 27. right hook pull bars, 28. right hook heads, clip seat before 29., clip seats after 30..
In Fig. 3: 31. left fixed heads, 32. right fixed heads, 33. handle covers, 34. supporting seats one, 35. supporting seat two, 36. supporting seat three, 37. supporting seat four, 38. lock screw one, 39. axle hold-down nuts, 40. lock screw two, 41. angle orientation holes, 42. turning axles.
In Fig. 4: 43. top rake camera unit work camera shooting holes, 44. right bank camera unit work camera shooting holes, 45. rear-inclined camera unit work camera shooting holes, 46. left bank camera unit work camera shooting holes, 47. vertical photography cell operation camera shooting holes, 48. right bank camera unit work camera rotary seat fixed orifices, 49. left bank camera unit work camera rotary seat fixed orifices, 50. rear-inclined camera unit work camera rotary seat fixed orifices, 51. top rake camera unit work camera rotary seat fixed orifices, 52. junction box one fixed orifices, 53. miniature GPS navigator fixed orifices, 54. junction box two fixed orifices.
In Fig. 5: 55. system power switch, 56. industrial PCs, 57. camera control plates, 58. cameras, 59. camera power supply modules, 60. communication modules, 61. miniature GPS navigator, 62.GPS antenna, 63. GPS navigator power supplys.
(5) embodiment
Fig. 1-5 is an embodiment, and its concrete embodiment is:
In the embodiment shown in fig. 1, system is made up of four, front, rear, left and right oblique photograph unit, vertical photography unit, connecting bottom board, miniature GPS navigator, system controller eight part; Four, front, rear, left and right oblique photograph unit basic structure is identical, and be made up of work camera, camera fixture, camera rotary seat and camera protective cover, vertical photography unit is except without except camera rotary seat, and other structure is identical with oblique photograph unit; Camera protective cover adopts ferrous material, it has camera view frame, camera control frame, storage card handling frame, on camera view frame and camera, the position of view finder is in the same size, camera control frame and camera switch, arrange the position consistency of control knob, storage card handling frame is consistent with the aperture position of camera memory; Right bank camera unit work camera, rear-inclined camera unit work camera, vertical photography cell operation camera control line, power lead are integrated in junction box one, be connected on system controller, top rake camera unit work camera, left bank camera unit work camera control line, power lead are integrated in junction box two, are connected on system controller; GPS navigator data-out port is connected with system controller; The all devices of system are all fixed on connecting bottom board except system controller, and connecting bottom board is made up of ferrous material; Four, system front, rear, left and right oblique photograph unit separately around connecting bottom board plane can position rotating to 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree, vertical photography unit is perpendicular to connecting bottom board plane.
In the embodiment depicted in figure 2, firm banking is alumina based material, be made up of base plate and camera liner plate two parts, base plate and camera rotary seat are fixed together, camera liner plate and camera are fixed together, camera liner plate has Cao consistent with camera bottom shape, below it, has a camera pedestal fixed screw; Left eave tile and left hook seat hold camera left side buckle, and setting nut, by the height of the left eave tile of threaded adjusting, makes it consistent with the height of buckle on camera; Right eave tile holds the buckle on the right of camera, right pull bar has screw thread, regulates degrees of tensions by nut, and right hook seat is used for supports right eave tile and right pull bar; Front clip lid and front clip seat are two semicircle chow rings, and together by micro-focusing ring of the screwed lock phasing machine on both sides, both inwalls all post round rubber pad; Rear clip lid and rear clip seat are also two semicircle chow rings, and together by the rough focusing ring of the screwed lock phasing machine on both sides, both inwalls also all post round rubber pad; Camera fixture is formed by alumina based material;
In the embodiment shown in fig. 3, left fixed head and right fixed head are the support that camera rotates, and are connected with mounting base by screw; Handle cover is a rotating circular disk, it has two arc Cao and angle orientation hole, for oblique photograph unit being fixed to a certain specific camera angle position; Supporting seat one, supporting seat two, supporting seat three, supporting seat four are screwed with the base plate of camera fixture, and itself and turning axle link together; Handle cover and left fixed head are fixed by screw by lock screw one and lock screw two, after camera rotary seat rotates to certain angle, lock turning axle; Handle cover and turning axle are fixed together by axle hold-down nut; Corresponding respectively photography angle of inclination, angle orientation hole has 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree, when rotating to wherein a certain angle, corresponding angle orientation hole is then aimed at the perforate on left fixed head, be screwed into screw and fix this angle, then lock turning axle by lock screw one and lock screw two; Each oblique photograph cell operation camera position rotating can carry out oblique photograph to 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree by camera rotary seat.
In the embodiment shown in fig. 4, oblique photograph cell operation camera shooting Kong Douwei T-shape hole, from then on camera lens leans out in hole; Vertical photography cell operation camera shooting hole is " one " font hole, shooting angle fixed vertical; Mounting base is the aluminum plate of 1 cm thick.
In the embodiment shown in fig. 5, this part is the controller part being in switch board inside, and system power supply break-make is controlled by pushbutton switch; System power supply is inputed to industrial computer and powers, is powered by camera power supply module to camera, powered to GPS device by navigating instrument power supply; Industrial PC carries out communication by RS232 serial ports and camera control plate, and utilize camera control plate realize to 5 CCD work waiting of cameras time or control of equidistantly taking pictures, isolated by optocoupler between camera control plate and camera; Industrial PC realizes GPS navigator Initialize installation by serial communication modular and obtains with the navigation information of the exposure sync of work camera; Miniature GPS navigator is arranged on connecting bottom board, and gps antenna to be then arranged on airborne shell and to be connected with GPS navigator PORT COM.
Claims (8)
1. airborne inclined digital aviation camera chain, is made up of four, front, rear, left and right oblique photograph unit, vertical photography unit, connecting bottom board, miniature GPS navigator, system controller eight part; It is characterized in that: four, described front, rear, left and right oblique photograph unit basic structure is identical, by CCD work camera, camera fixture, camera rotary seat, camera protective cover composition, each unit around connecting bottom board plane downwards can position rotating to 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree; Described vertical photography unit is except without except camera rotary seat, and other structure is identical with oblique photograph unit, is vertically fixed on connecting bottom board plane; Handle cover on described camera rotary seat is the rotating circular disk of a connection turning axle, it has two deep-slotted chip breakers and angle orientation hole, for camera tilt angles degree is fixed to a certain ad-hoc location, the corresponding respectively camera tilt angles degree in angle orientation hole has 15 degree, 20 degree, 25 degree, 30 degree, 35 degree, 40 degree, 45 degree, when camera rotates to wherein a certain angle, corresponding angle pilot hole is aimed at the perforate on left fixed head, be screwed into screw and fix this angle, then lock turning axle by lock screw one and lock screw two; Described system controller is in switch board inside, is made up of industrial PC, system power supply, camera control plate, serial communication modular four part; System power supply break-make is controlled by pushbutton switch; Industrial PC carries out communication by communication module and camera control plate, and utilize camera control plate realize to 5 CCD work waiting of cameras time or control of equidistantly taking pictures, isolated by optocoupler between camera control plate and camera; Industrial PC realizes Initialize installation, acquisition of information and the synchro control with work camera to miniature GPS navigator by serial communication modular; Described system utilizes five CCD work cameras of camera unit to carry out multi-angle oblique photography.
2. the system as claimed in claim 1, is characterized in that: camera protective cover has camera view frame, camera control frame, storage card handling frame, can direct viewing image, manually arrange camera parameter and change storage card.
3. the system as claimed in claim 1, is characterized in that: all devices of system are all fixed on connecting bottom board except system controller; Control line, the power lead of camera are connected with system controller by junction box, GPS navigator data-out port is connected with system controller, when realizing waiting of camera unit work camera by system controller or equidistant spectrum assignment and GPS navigation data syn-chronization obtain.
4. the system as claimed in claim 1, is characterized in that: camera fixture is made up of camera firm banking, left and right pull hook, camera focus fixing hoop three part; Camera firm banking is made up of base plate and camera liner plate two parts, and camera liner plate and camera are fixed together, and camera liner plate has the groove consistent with camera bottom shape, has a camera pedestal fixed screw below it.
5. system as claimed in claim 4, is characterized in that: left and right pull hook holds the buckle of camera the right and left respectively, regulates tension by nut.
6. system as claimed in claim 4, is characterized in that: camera focus fixing hoop is by front clip, rear clip, and micro-focusing ring, the rough focusing ring of fixed camera respectively, the inwall of clip all posts round rubber pad.
7. the system as claimed in claim 1, is characterized in that: connecting bottom board is that four, front, rear, left and right oblique photograph unit has T-shape hole, and from then on work camera lens leans out in hole; For vertical camera unit has " one " font hole, from then on work camera lens leans out and camera angle fixed vertical in hole.
8. the system as claimed in claim 1, is characterized in that: miniature GPS navigator is arranged on connecting bottom board, and GPS double antenna to be arranged on airborne shell and to be connected with GPS navigator PORT COM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310019024.7A CN103047971B (en) | 2013-01-19 | 2013-01-19 | Economical airborne oblique digital aerial photography system |
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| CN201310019024.7A CN103047971B (en) | 2013-01-19 | 2013-01-19 | Economical airborne oblique digital aerial photography system |
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| CN103047971A CN103047971A (en) | 2013-04-17 |
| CN103047971B true CN103047971B (en) | 2015-04-08 |
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| CN103234528B (en) * | 2013-04-18 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Two-linear array space mapping camera and laser altimeter integral device |
| CN103363960B (en) * | 2013-07-16 | 2016-03-16 | 中测新图(北京)遥感技术有限责任公司 | A kind of based on DLT coefficient large format digital air photo instrument image splicing method |
| CN103335635B (en) * | 2013-07-17 | 2015-09-30 | 中测新图(北京)遥感技术有限责任公司 | Aerial surveying camera camera tilt angles degree control method |
| CN103338333B (en) * | 2013-07-17 | 2016-04-13 | 中测新图(北京)遥感技术有限责任公司 | Optimal configuration method for orientation element of aerial camera |
| CN103453891B (en) * | 2013-09-06 | 2016-01-13 | 中测新图(北京)遥感技术有限责任公司 | Small-sized unmanned aerial vehicle onboard looks three-dimensional airborne remote sensing device and system more |
| CN104864848B (en) * | 2015-01-04 | 2017-09-01 | 李洪波 | The Aviation Digital oblique photograph measurement apparatus of multi-angle array combination |
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| CN104880177A (en) * | 2015-06-23 | 2015-09-02 | 赵国梁 | Multi-angle unmanned aerial survey system |
| CN105277177A (en) * | 2015-10-17 | 2016-01-27 | 佛山市安尔康姆航空科技有限公司 | Oblique photography system adopting multi-rotor unmanned aerial vehicle |
| CN105391988A (en) * | 2015-12-11 | 2016-03-09 | 谭圆圆 | Multi-view unmanned aerial vehicle and multi-view display method thereof |
| CN105651261B (en) * | 2016-02-26 | 2018-03-13 | 中国科学院长春光学精密机械与物理研究所 | Two-sided battle array stereo mapping system based on small satellite platform |
| CN106218909A (en) * | 2016-09-23 | 2016-12-14 | 珠海格力电器股份有限公司 | Aircraft and system of taking photo by plane |
| CN106933961B (en) * | 2017-01-31 | 2018-02-02 | 杭州市公安局上城区分局 | The three-dimensional police geographical information platform automatically analyzed based on commanding elevation |
| CN106874436B (en) * | 2017-01-31 | 2018-01-05 | 杭州市公安局上城区分局 | The Multi-Source Image Data Fusion imaging system of three-dimensional police geographical information platform |
| CN106777373B (en) * | 2017-01-31 | 2018-04-13 | 张军民 | Three-dimensional police geographical information platform and system architecture |
| CN107289912A (en) * | 2017-06-28 | 2017-10-24 | 高感（北京）科技有限公司 | A kind of many camera lens oblique photograph measurement cameras |
| CN108332717A (en) * | 2018-01-26 | 2018-07-27 | 广州市红鹏直升机遥感科技有限公司 | A kind of aviation oblique photograph system for shooting matrix form image |
| CN108286961A (en) * | 2018-01-26 | 2018-07-17 | 广州市红鹏直升机遥感科技有限公司 | A kind of spliced aviation oblique photograph system |
| CN109556578A (en) * | 2018-12-06 | 2019-04-02 | 成都天睿特科技有限公司 | A kind of unmanned plane spirally sweeping measurement image pickup method |
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