CN208043064U - A kind of spliced four cameras aviation oblique photograph holder - Google Patents
A kind of spliced four cameras aviation oblique photograph holder Download PDFInfo
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- CN208043064U CN208043064U CN201820152094.8U CN201820152094U CN208043064U CN 208043064 U CN208043064 U CN 208043064U CN 201820152094 U CN201820152094 U CN 201820152094U CN 208043064 U CN208043064 U CN 208043064U
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Abstract
The utility model provides a kind of spliced four cameras aviation oblique photograph holder, including：Carry platform, detachably connected aircraft, carry platform are equipped with support base；Support base is equipped with the first nacelle, the second nacelle；First camera unit is located in the first nacelle；First camera unit includes first camera, second camera；Second camera unit is located in the second nacelle；Second camera unit includes third camera, the 4th camera；Support base is equipped with the first steering engine, the second steering engine, and between the first steering engine and the first nacelle, gear unit is equipped between the second steering engine and the second nacelle.The utility model photography holder is simple and reliable for structure, and precise angular positions are high, and the requirement to camera is low, realizes Multi-angle free shooting；The actual proportions relationship that each object in operating area can more completely be reappeared keeps later stage model clearer, accurate；It is driven by gear unit between steering engine and nacelle, integral layout is compact, and control accuracy is high.
Description
Technical field
The utility model is related to a kind of spliced four cameras aviation oblique photograph holders.
Background technology
Aviation Pan Tilt camera belongs to the technology scope of aerophotogrammetry and aviation oblique photograph amount.Aviation is taken the photograph
Shadow measurement is to be based on Aerial photography image, and utilize photogrammetric technology, produces various mapping products, including digitally face mould
Type, orthophotoquad and line draw map.Aviation oblique photograph measurement is to tilt image by shooting, obtains the side line of atural object
Reason, then by photogrammetric technology, establish true city threedimensional model.
Breakthrough of the aviation oblique photograph as traditional aerophotogrammetry passes through the camera combination of different visual angles, shooting packet
Include the natural forms on ground and artificial structure.Existing aviation oblique photograph device generally uses the shape of five camera combinations
Camera and four inclined cameras are regarded under formula, including one.Since camera is more, when in view of the volume and weight of system, design
Inclined camera will generally use commercialized middle image camera or silent frame camera.
Chinese patent 2017100622249 discloses a kind of aviation Pan Tilt camera, including gondola main body, described
Be provided in gondola main body at least two times regard camera and multiple inclined cameras, described at least two time regarding camera transversely
Arrangement, described at least two times the lower shooting area depending on camera adjacent depending in camera partly overlaps.
Chinese patent 2014800800293 discloses a kind of system for capturing aerial image, and system includes at least one
A panorama camera, multiple details cameras and the frame for supporting camera, each details camera is than at least one panorama camera
With longer focal length, each details camera angle different in the horizontal is installed so that the visual field of details camera is overlapped
To form the transverse field of extension, frame can be attached to the aircraft floor above camera hole, to be given by camera hole
Camera provides the view on the ground below aircraft.
Chinese patent 201010562117.0 discloses a kind of based on the joining image-forming system for moving axis principle, including at least one
A imaging lens, at least one imaging lens are set on same plane, and focal length having the same and visual field；And it sets
At least one image device being placed on the focal plane of each imaging lens；Wherein, each imaging lens are set
It is its optical axis perpendicular to its focal plane, and each image device is arranged to have preset shifting axis in its focal plane
Amount.
Drawback of the prior art is that：Aviation oblique photograph device used at present generally uses multiple built-in cameras, leads to
Putting for different angle is crossed, realizes multiple angle shots, to obtain the panoramic picture on ground.Required built-in camera quantity is more, takes the photograph
Image device volume and weight is big, of high cost.
Therefore, how one kind is provided, Multi-angle free shooting, applied widely, efficient oblique photograph may be implemented
System becomes problem to be solved in the industry.
Utility model content
In view of the drawbacks of the prior art, the utility model provides a kind of spliced four cameras aviation oblique photograph holder,
Its is simple in structure, and reliability is high；Positioning accuracy is good, and shooting efficiency is high, and the requirement to camera is low, realizes Multi-angle free bat
It takes the photograph.
To achieve the goals above, the utility model provides a kind of spliced four cameras aviation oblique photograph holder,
Including：
Carry platform, detachably connected aircraft, carry platform are equipped with support base；Support base be equipped with the first nacelle,
Second nacelle；
First camera unit is located in the first nacelle；First camera unit includes first camera, second camera；
Second camera unit is located in the second nacelle；Second camera unit includes third camera, the 4th camera；
Support base is equipped with the first steering engine, the second steering engine, between the first steering engine and the first nacelle, the second steering engine and the second nacelle
Between be equipped with gear unit.
In the utility model, switched by the position of first camera, second camera, third camera, the 4th camera, is carried out same
The shooting of the multiple angles of one predeterminated position, to obtain multiple shooting images；Rectangular array is distributed between multiple images, is formed and is expanded
The stitching image of exhibition.
In the utility model, the requirement of operating area as needed selects the focal length of camera and determines the precision of camera；Root
According to the height of object in operating area, it is first determined the angle of inclination of the outside inclined camera of corresponding edge camera plane, selection
After determination, the angle of inclination of the inclined camera of corresponding other camera planes is calculated, inclined camera is completed and is shot
The layout of position.
Another kind specific implementation mode according to the present utility model, gear unit are link-type gear unit.
It is according to the present utility model another kind specific implementation mode, gear unit include the first drive rod, the first drive link,
Second drive rod, the second drive link；First steering engine is drivingly connected the head end of the first drive link, the first transmission by the first drive rod
The end of bar connects the first nacelle；Second steering engine is drivingly connected the head end of the second drive link, the second transmission by the second drive rod
The end of bar connects the second nacelle.
Another kind specific implementation mode according to the present utility model, first camera, second camera are relatively arranged on the first cabin
In body；The optical axis of first camera, the optical axis of second camera are symmetrical relative to the vertical plane where heading；Folder between the two
Angle is 20 ° -30 °；In the present solution, first camera, second camera are symmetrical, the covering at multiple visual angles is realized.
Another kind specific implementation mode according to the present utility model, third camera, the 4th camera are relatively arranged on the second cabin
In body；The optical axis of third camera, the optical axis of the 4th camera are symmetrical relative to the vertical plane where heading；Folder between the two
Angle is 60 ° -90 °；In the present solution, third camera, the 4th camera are symmetrical, the covering at multiple visual angles is realized.
Another kind specific implementation mode according to the present utility model, first camera, the optical axis of second camera are arranged in a crossed manner；The
Three cameras, the optical axis of the 4th camera are arranged in a crossed manner.The purpose being arranged in this way is, ensures whole stability to the greatest extent,
Keep the carrying of entire camera chain uniform, the center of gravity of four cameras and the center of gravity of aircraft are mutually coincide.Correspondingly, can also first
Two inclined cameras in two inclined cameras and the second camera unit in camera unit, the flight relative to vertical aircraft
Direction is symmetrical, to ensure integrally-built stabilization.
The slewing area of another kind specific implementation mode according to the present utility model, the first nacelle covers three continuously
The slewing area in direction, the second nacelle covers three continuous directions；First nacelle, the slewing area of the second nacelle are identical.
Another kind specific implementation mode according to the present utility model, first camera, second camera, third camera, the 4th phase
The camera lens of machine is tight shot, focal length 20mm-150mm；It can specifically be selected as：20mm,21mm,22mm,24mm,25mm,
28mm、30mm、32mm、35mm、40mm、50mm、55mm、58mm、60mm、85mm、90mm、100mm、105mm、135mm、
150mm；In the present solution, the focal length of inclined camera is selected according to conditions such as the height of flight, the required precisions of needs.
Another kind specific implementation mode according to the present utility model, photography holder are further provided with control module, control mould
Block is located on carry platform.
Another kind specific implementation mode according to the present utility model, support base are equipped with for wrapping up the first nacelle, the second cabin
The shell of body；Shell is equipped with guide face；Guide face can reduce windage of the photographic platform in flight course, improve whole
Stability.
It is according to the present utility model another kind specific implementation mode, adjacent camera site obtain stitching image between have
Overlapping, degree of overlapping are 70% -90%, and later stage modeling is facilitated to handle.
It is larger for shooting the angle of inclination of inclined camera of expanded images outer ledge image in the utility model, with
Shooting obtains sufficient side grain data, by the rational flying height of determination, obtain needed for resolution ratio inclination image and
Face image.Linking is complementary to one another between photo, can the larger range of positive photograph picture of equivalent acquisition and enough inclination images, make
It obtains shooting efficiency to improve, and reduces photo amount, to keep later stage modeling also faster accurate.
In the utility model, due to the inclined camera for shooting expanded images outer ledge image angle of inclination compared with
Greatly, local gap is will produce between the adjacent image of expanded images, passes through multiple default obtained expanded images in camera site
Overlapping, to supplement the image of the lack part of an independent predeterminated position expanded images, to complete the complete of entire operating area
At image obtain.
The camera chain provided of the utility model, shooting speed is fast, modeling accuracy is high, helps meet an urgent need and surveys and draws in public emergent
In, it has a wide range of applications, promotes the process of the rapid development of aeroplane photography.For example, when the urgent calamities such as landslide, mud-rock flow occur
When feelings, it can quickly measure, model in time, to rapidly reproduce the data of disaster area situation.
Compared with prior art, the utility model is beneficial in that：
1, it is distributed in matrix form between the image that same camera site obtains, shooting area is big, and shooting efficiency is high, saves
The time of shooting operation；
2, photography holder is simple and reliable for structure, and precise angular positions are high, and the requirement to camera is low, realizes Multi-angle free
Shooting；
3, the actual proportions relationship that can more completely reappear each object in operating area, keeps later stage model more clear
It is Chu, accurate；
4, it is driven by gear unit between steering engine and nacelle, integral layout is compact, and control accuracy is high.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the overall structure diagram of the spliced four cameras aviation oblique photograph holder of embodiment 1；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is the partial schematic diagram in Fig. 1, and which show the first nacelle, the second nacelles；
Fig. 4 is the schematic diagram of the first camera unit of Fig. 1, the second camera unit；
Fig. 5 is the schematic diagram of the stitching image of photographic platform shooting.
Specific implementation mode
Embodiment 1
A kind of spliced four cameras aviation oblique photograph holder is present embodiments provided, as shown in Figs. 1-5 comprising：It hangs
Carrying platform 1, support base 2, the first nacelle 3, the second nacelle 4, the first steering engine 5, the second steering engine 6.
Wherein, 1 detachably connected aircraft of carry platform is equipped with dampening assembly in carry platform；Support base 2 is located at extension
Carrying platform 1；First nacelle 3, the rotation of the second nacelle 4 are located on support base 2；Support base 2 be equipped with for wrap up the first nacelle 3,
The shell 21 of second nacelle 4, shell 21 are equipped with guide face 22；It is equipped with the first trepanning 23, the second trepanning 24 in the lower part of shell 21,
First trepanning 23 corresponds to the first nacelle 3, and the second trepanning 24 corresponds to the second nacelle 4；Correspondingly, in the first trepanning 23, the second trepanning
24 are equipped with cover board.
First camera 31, second camera 32 are equipped in the first nacelle 3, support base 2 drives equipped with the first steering engine 5, first
Bar 51, the first drive link 52, the first steering engine 5 are drivingly connected the head end of the first drive link 52 by the first drive rod 51, and first passes
The end of lever 52 connects the first nacelle 3；Wherein, the optical axis of first camera 31, second camera 32 optical axis relative to flight side
Vertical plane to place is symmetrical, and angle between the two is 26 °；First steering engine 5 drives the first nacelle 3 to be rotated, and rotates model
Enclose cover forward, downwards, three continuous directions backward, to complete the acquisition of six different angle images.
Third camera 41, the 4th camera 42 are equipped in the second nacelle 4, support base 2 drives equipped with the second steering engine 6, second
Bar 61, the second drive link 62, the second steering engine 6 are drivingly connected the head end of the second drive link 62 by the second drive rod 61, and second passes
The end of lever 62 connects the second nacelle 4；Wherein, the optical axis of the optical axis of third camera 41, the 4th camera 42 is relative to flight side
Vertical plane to place is symmetrical, and angle between the two is 80 °；Second steering engine 6 drives the second nacelle 4 to be rotated, and rotates model
Enclose cover forward, downwards, three continuous directions backward, to complete the acquisition of six different angle images.
As shown in figure 5, being shot in the period at one, the layout of 12 images of acquisition；Adjacent figure in expanded images
Local gap is will produce as between, by the overlapping of multiple default obtained expanded images in camera site, to supplement independent one
The image of lack part on a predeterminated position shooting image is obtained with completing the image of completion of entire operating area.
In the present embodiment, it is equipped with control module 7 in support base 2, control module is drivingly connected the first steering engine 5, the second steering engine
6, to realize the switching of first camera 31, second camera 32, third camera 41,42 position of the 4th camera, further control phase
Machine completes shooting.
In the present embodiment, aircraft is overlapped between the stitching image that multiple camera sites obtain in flight course,
Degree of overlapping is 75%, by the overlapping between multiple stitching images, can be carried out the position omitted in each expanded images mutual
It mends, to obtain the complete image in operating area, to facilitate the foundation of later stage model.
In the present embodiment, it can be interchanged between first camera 31, second camera 32, third camera 41, the 4th camera 42, root
According to needing the region of operation different, the focal length and precision of four inclined cameras are determined, such as flying height is 200m, selects focal length
For the inclined camera of 50mm.
Although the utility model is disclosed above with preferred embodiment, it is not limited to the model of the utility model implementation
It encloses.Any those skilled in the art improve in the invention scope for not departing from the utility model when can make a little,
I.e. every same improvement done according to the utility model, should be the scope of the utility model and is covered.
Claims (10)
1. a kind of spliced four cameras aviation oblique photograph holder, which is characterized in that the photography holder includes：
Carry platform, detachably connected aircraft, the carry platform are equipped with support base；The support base is equipped with the first cabin
Body, the second nacelle；
First camera unit is located in first nacelle；First camera unit includes first camera, second camera；
Second camera unit is located in second nacelle；Second camera unit includes third camera, the 4th camera；
The support base is equipped with the first steering engine, the second steering engine, between first steering engine and first nacelle, second rudder
Gear unit is equipped between machine and second nacelle.
2. photography holder as described in claim 1, which is characterized in that the gear unit is link-type gear unit.
3. photography holder as claimed in claim 2, which is characterized in that the gear unit includes the first drive rod, the first biography
Lever, the second drive rod, the second drive link；First steering engine is drivingly connected first transmission by first drive rod
The end of the head end of bar, first drive link connects first nacelle；Second steering engine passes through second drive rod
It is drivingly connected the head end of second drive link, the end of second drive link connects second nacelle.
4. photography holder as described in claim 1, which is characterized in that the first camera, the second camera are oppositely arranged
In first nacelle；The optical axis of the first camera, the second camera optical axis relative to perpendicular where heading
It faces directly symmetrical；Angle between the two is 20 ° -30 °.
5. photography holder as claimed in claim 4, which is characterized in that the third camera, the 4th camera are oppositely arranged
In second nacelle；The optical axis of the third camera, the 4th camera optical axis relative to perpendicular where heading
It faces directly symmetrical；Angle between the two is 60 ° -90 °.
6. photography holder as claimed in claim 5, which is characterized in that the optical axis friendship of the first camera, the second camera
Fork setting；The third camera, the optical axis of the 4th camera are arranged in a crossed manner.
7. photography holder as described in claim 1, which is characterized in that the slewing area of first nacelle covers three companies
The slewing area in continuous direction, second nacelle covers three continuous directions；First nacelle, second nacelle
Slewing area it is identical.
8. photography holder as described in claim 1, which is characterized in that the first camera, the second camera, the third
Camera, the 4th camera camera lens be tight shot, focal length 20mm-150mm.
9. photography holder as described in claim 1, which is characterized in that the photography holder is further provided with control module, institute
Control module is stated to be located on the carry platform.
10. photography holder as described in claim 1, which is characterized in that the support base is equipped with for wrapping up first cabin
The shell of body, second nacelle；The shell is equipped with guide face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152094.8U CN208043064U (en) | 2018-01-26 | 2018-01-26 | A kind of spliced four cameras aviation oblique photograph holder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820152094.8U CN208043064U (en) | 2018-01-26 | 2018-01-26 | A kind of spliced four cameras aviation oblique photograph holder |
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| CN208043064U true CN208043064U (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828426A (en) * | 2019-03-14 | 2019-05-31 | 广州市红鹏直升机遥感科技有限公司 | The aviation oblique photograph holder for having pan-shot function |
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2018
- 2018-01-26 CN CN201820152094.8U patent/CN208043064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828426A (en) * | 2019-03-14 | 2019-05-31 | 广州市红鹏直升机遥感科技有限公司 | The aviation oblique photograph holder for having pan-shot function |
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