CN210464464U - Aerial survey device - Google Patents
Aerial survey device Download PDFInfo
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- CN210464464U CN210464464U CN201921328499.3U CN201921328499U CN210464464U CN 210464464 U CN210464464 U CN 210464464U CN 201921328499 U CN201921328499 U CN 201921328499U CN 210464464 U CN210464464 U CN 210464464U
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- 239000011521 glass Substances 0.000 claims abstract description 15
- 230000000295 complement effect Effects 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model provides an aerial survey device, which comprises a body, wherein the body comprises an unmanned aerial vehicle mounting mechanism, a shock-absorbing mechanism and a photographic mechanism, and the unmanned aerial vehicle mounting mechanism is mounted at the top of the photographic mechanism through the shock-absorbing mechanism; the photographing mechanism comprises a camera base, a main control panel, a positive camera group, four oblique photographing camera groups and a laser three-dimensional scanning module; the positive camera group is arranged in the center of the bottom of the camera base, the four oblique photography camera groups are sequentially arranged around the bottom of the camera base in the clockwise direction, and the four oblique photography camera groups are arranged in the same inclination angle and the complementary inclination direction; the cameras of the camera group are all provided with a low-pass lens; the laser three-dimensional scanning module comprises an infrared laser generator, a glass column and a driving motor, wherein the infrared laser generator is installed on the camera base, and a light outlet of the infrared laser generator faces the glass column. The embodiment of the utility model provides an optimize oblique photography device structure and can improve the imaging quality.
Description
Technical Field
The utility model belongs to the technical field of the technique of taking photo by plane and specifically relates to a portable takes laser three-dimensional scanning's aerial survey device is related to.
Background
In recent years, oblique photography is a new technology generally used in the field of aerial surveying and mapping, five different visual angles can be formed to synchronously acquire images from a vertical angle and four inclination angles, clear texture information of a ground object is acquired, and a model generated by three-dimensional reconstruction is performed through point cloud processing of the texture information. The current tilt photography systems at home and abroad mainly have the following problems:
the existing oblique photography device mainly adopts an assembled type, a plurality of digital cameras are distributed on a holder support plate, and although the oblique photography device has the advantage of low manufacturing cost, the oblique photography device has the defects of poor layout rationality, no consideration of the rigidity and imaging stability of the whole structure of the system, complex assembly and disassembly and large requirement on a flight platform; moreover, the existing oblique photography device adopts the visible light imaging principle, has poor imaging effect on the dense trees or sunlight shielding parts of the back slope, and influences the acquisition precision of aerial survey data.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a portable takes aerial survey device of laser three-dimensional scanning to optimize overall structure and improve the image quality.
The utility model discloses the technical scheme who adopts does:
an aerial survey device comprises a body, wherein the body comprises an unmanned aerial vehicle mounting mechanism, a shock absorption mechanism and a photographing mechanism, and the bottom of the unmanned aerial vehicle mounting mechanism is mounted at the top of the photographing mechanism through the shock absorption mechanism;
the photographing mechanism comprises a camera base, a main control panel, a positive camera group, four oblique photographing camera groups and a laser three-dimensional scanning module, wherein the positive camera group, the four oblique photographing camera groups and the laser three-dimensional scanning module are respectively connected with the main control panel;
the positive camera group is arranged in the center of the bottom of the camera base, the four oblique photography camera groups surround the positive camera group and are sequentially arranged around the bottom of the camera base in the clockwise direction, and the four oblique photography camera groups are arranged in the same oblique angle and the complementary oblique direction; the cameras of the oblique photography camera group and the positive camera group are provided with low-pass lenses;
laser three-dimensional scanning module includes infrared laser generator, glass post, driving motor, infrared laser generator passes through the laser fixed plate and installs on the camera base, just infrared laser generator's light-emitting window orientation the glass post, infrared laser generator the glass post receives driving motor control is with adjustment laser emission angle and frequency.
Preferably, the low-pass lens is an infrared filter lens.
As a preferred scheme, a first rotary clamping groove for mounting the positive camera group and four second rotary clamping grooves for mounting the oblique photography camera group are formed in the bottom of the camera base;
the positive camera group is provided with a first rotating buckle and is matched with the first rotating clamping groove through the first rotating buckle so as to be fixed on the camera base;
each oblique photography camera group is provided with a second rotary buckle, and the oblique photography camera group is matched with the corresponding second rotary clamping groove through the second rotary buckle to be fixed on the camera base.
Preferably, four oblique installation platforms for installing oblique photography camera groups are arranged at the bottom of the camera base, the four oblique installation platforms are sequentially and clockwise located around the bottom of the camera base, and the four oblique installation platforms are arranged in the same oblique angle and the complementary oblique direction.
As a preferred scheme, the shock absorbing mechanism comprises a cradle head shock absorbing plate, a shock absorbing ball and a load hanging plate;
the cradle head shock-absorbing plate is connected with the load hanging plate, the periphery of the top of the load hanging plate is respectively provided with one shock-absorbing ball, and the bottom of the cradle head shock-absorbing plate is supported on the four shock-absorbing balls.
As preferred scheme, the centre of cloud platform shock absorber plate is equipped with the through-hole that runs through its upper and lower surface, unmanned aerial vehicle installation mechanism passes through-hole and fixed mounting are in on the load hangs the support plate.
As preferred scheme, unmanned aerial vehicle installation mechanism is cloud platform support, cloud platform support includes base and four support frames, each the support frame slope is installed on the base, and four the top of support frame is located the coplanar.
As the preferred scheme, a plurality of radiating holes are formed in the periphery of the camera base.
As a preferred scheme, the main control panel comprises a processor and a wireless communication module, the input end of the processor is connected with the positive camera group and the oblique photography camera group, the control end of the processor is connected with the driving motor and the infrared laser generator, and the communication end of the processor is connected with the wireless communication module.
Preferably, the main control board further comprises a storage module, and the storage module is connected with the storage end of the processor.
Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a pair of aerial survey device, through adopting unmanned aerial vehicle installation mechanism loads unmanned aerial vehicle, utilizes shock attenuation, improvement are realized to the mechanism of moving away to avoid possible earthquakes body stability, by the mechanism of making a video recording carries out the collection of aerial survey data. The camera base is provided with 5 camera groups, and the four oblique photography camera groups are installed clockwise in an inclination angle complementary mode, so that the minimum angle overlapping of images collected by the four oblique photography camera groups is ensured, and the aim of single-course full-view shooting is achieved. The glass post can make laser generator produces laser and generates a style of calligraphy laser line through the refraction, the low pass camera lens be used for distinguishing environment light and catch laser reflection facula, with infrared laser generator concentric shaft mode is connected driving motor is used for control laser generator 160 degree is swept, compares in prior art and adopts the visible light imaging principle, the utility model discloses a laser three-dimensional scanning module can effectively distinguish with environment light, utilizes laser when shining the object surface, along with object profile reflection facula, catches the facula image by camera group, again by elevation data and testee visible light image characteristic point and the laser facula of the surface reflection of testee carries out three-dimensional reconstruction to be favorable to improving imaging effect and aerial survey data acquisition precision.
Drawings
Fig. 1 is a schematic structural diagram of an aerial survey device in an embodiment of the present invention;
fig. 2 is a front view of an aerial surveying device in an embodiment of the invention;
fig. 3 is a top view of an aerial survey apparatus in an embodiment of the invention;
fig. 4 is an exploded view of an aerial survey apparatus in an embodiment of the invention;
fig. 5 is a topographic map captured by the aerial survey device in an embodiment of the present invention;
fig. 6 is a topographic map captured by the aerial survey device in an embodiment of the present invention;
fig. 7 is a schematic diagram of an aerial survey apparatus in an embodiment of the invention;
wherein the reference numbers of the drawings in the specification are as follows:
1. a holder bracket; 2. a cradle head shock absorption plate; 3. a shock absorbing ball; 4. a load hanging support plate; 5. a base cover plate; 6. a laser cover plate; 7. a drive motor; 8. an infrared laser generator; 9. a glass column; 10. a laser fixing plate; 11. a camera head base; 12. a positive camera group; 13. a group of oblique photography cameras; 14. a low-pass lens; 15. a screw; 16. and (4) inclining the mounting table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a preferred embodiment of the present invention provides an aerial survey device, which includes a body, the body includes an unmanned aerial vehicle mounting mechanism, a shock absorbing mechanism and a photographing mechanism, the bottom of the unmanned aerial vehicle mounting mechanism is mounted on the top of the photographing mechanism through the shock absorbing mechanism; through adopting unmanned aerial vehicle installation mechanism loads unmanned aerial vehicle, utilizes shockproof mechanism realizes the shock attenuation, improves body stability by the mechanism of making a video recording carries out the collection of aerial survey data.
The photographing mechanism comprises a camera base 11, a main control panel, a positive camera group 12, four oblique photographing camera groups 13 and a laser three-dimensional scanning module, wherein the positive camera group 12, the four oblique photographing camera groups 13 and the laser three-dimensional scanning module are respectively connected with the main control panel, and the main control panel is arranged on the camera base 11;
the positive camera group 12 is arranged in the center of the bottom of the camera base 11, the four oblique photography camera groups 13 surround the positive camera group 12 and are sequentially arranged around the bottom of the camera base 11 in the clockwise direction, and the four oblique photography camera groups 13 are arranged in the same oblique angle and the complementary oblique direction; the cameras of the oblique photography camera group 13 and the positive camera group 12 are both provided with a low-pass lens 14; preferably, the low-pass lens 14 is an infrared filter lens. The camera base 11 is provided with 5 camera groups, four oblique photography camera groups 13 are installed clockwise in an inclination angle complementary mode, four oblique photography camera groups 13 are guaranteed to collect minimum angle overlapping of images, the purpose of single-course full-view shooting is achieved, and the 5 camera groups are provided with power supply interfaces.
In order to solve the visual light imaging principle and lead to the not good problem of image quality effect of bringing inadequately of shady face topography light the embodiment of the utility model provides an, laser three-dimensional scanning module includes infrared laser generator 8, glass post 9, driving motor 7, laser instrument apron 6, infrared laser generator 8 passes through laser instrument fixed plate 10 to be installed on the camera base 11, just infrared laser generator 8's light outlet orientation glass post 9, infrared laser generator 8 glass post 9 receives driving motor 7 control is with adjustment scanning angle and scanning frequency. The driving motor 7 is preferably a servo motor and is connected with a fixing column of the laser generator in a concentric shaft mode, the wavelength of the infrared laser generator 8 is 900nm and can be effectively distinguished from ambient light, and a light source emitted by the infrared laser generator 8 is deflected through the glass column 9 to form a linear laser.
Wherein, the glass column 9 can make the infrared laser generator 8 generate laser to generate a linear laser line through refraction, the low-pass lens 14 is used for distinguishing the environment light and capturing the laser reflection light spot, the driving motor 7 connected with the infrared laser generator 8 in a concentric shaft mode is used for controlling the infrared laser generator 8 to sweep at a set frequency of 160 degrees, compared with the prior art adopting the visible light imaging principle, the laser three-dimensional scanning module adopted by the utility model can be effectively distinguished from the ambient light, when the laser irradiates the surface of an object, the laser can reflect light spots along with the outline of the object, therefore, the camera group captures the light spot image, and the elevation data, the visible light image characteristic points of the measured object and the laser light spots reflected by the surface of the measured object are subjected to three-dimensional reconstruction, so that the imaging effect and the aerial survey data acquisition precision are improved. As shown in fig. 4 and 5, the laser reflection light spots are captured by the camera group, so that the topography of the backlight side (mountain furrow) can be well reflected.
For better understanding the utility model discloses, explain further laser generator is a line projection after passing through 9 deflections of glass post, and 900nm wavelength laser reverberation can be caught to 5 camera group installation low pass filter lenses, infrared laser generator 8 and 5 camera group are located about camera base 11 with infrared laser generator 8's light emission constitutes triangle range finding principle.
The principle of triangulation is shown in fig. 7, beta is the swing included angle of the infrared laser generator 8, and the maximum single swing angle is 160 degrees; the distance d of the ground object to be measured can be obtained through triangular distance measurement, the relation is q ═ fs/x, x is the distance from the imaging of a laser light spot on a photosensitive element (such as a CMOS) of a camera to the edge of one side of the object to be measured, and d ═ q/sin (beta); and acquiring a light spot by single swing and camera triggering exposure, wherein the plane distance is L (beta x pi x d/180), beta is associated with exposure time s, then the space distance dL of the measured object is converted into a three-dimensional coordinate according to the obtained value to obtain terrain elevation data, and then three-dimensional reconstruction is carried out on the elevation data, the visible light image characteristic point of the measured object and the laser light spot reflected by the surface of the measured object.
In the embodiment of the present invention, in order to improve convenience, the camera mounting position of the camera base 11 is designed as a rotary buckle, and the positive shooting mode and the oblique shooting mode can be switched according to the usage scene, and the bottom of the camera base 11 is provided with a first rotary clamping groove for mounting the positive camera group 12 and four second rotary clamping grooves for mounting the oblique shooting camera group 13; the positive camera group 12 is provided with a first rotary buckle, and the positive camera group 12 is matched with the first rotary clamping groove through the first rotary buckle so as to be fixed on the camera base 11; each oblique photography camera group 13 is provided with a second rotary buckle, and the oblique photography camera group 13 is matched with the corresponding second rotary clamping groove through the second rotary buckle to be fixed on the camera base 11. This embodiment can promote the convenience when reducing whole weight through detachable structural design.
The embodiment of the utility model provides an in, in order to make the structure rationalize, camera base 11's bottom is equipped with four slope mount tables 16, four that are used for installing oblique photography camera group 13 the slope mount table 16 is located clockwise in proper order the bottom of camera base 11 is around, and four the slope mount table 16 sets up with the same inclination and complementary incline direction. The top of camera base 11 is equipped with base apron 5, laser instrument apron 6 with base apron 5 lid closes the top opening part of camera base 11.
In the embodiment of the present invention, the shock absorbing mechanism includes a pan head shock absorbing plate 2, a shock absorbing ball 3, and a load hanging plate 4; the cradle head shock-absorbing plate 2 is connected with the load hanging and carrying plate 4, the shock-absorbing balls 3 are respectively arranged on the periphery of the top of the load hanging and carrying plate 4, and the bottom of the cradle head shock-absorbing plate 2 is supported on the four shock-absorbing balls 3.
The middle of cloud platform shock absorber plate 2 is equipped with the through-hole that runs through its upper and lower surface, unmanned aerial vehicle installation mechanism passes through-hole and fixed mounting are in load hangs on the support plate 4.
Unmanned aerial vehicle installation mechanism is cloud platform support 1, cloud platform support 1 includes base and four support frames, each the support frame slope is installed on the base, and four the top of support frame is located the coplanar.
In this embodiment, the cradle head suspension plate 2 is a flight platform fixing device, the load hanging plate 4 is fixedly connected with the cradle head support 1 through screws 15, suspension ball mounting holes are formed around the load hanging plate 4, the bottom of the suspension ball 3 is mounted on the suspension ball mounting holes, and the top of the suspension ball 3 supports the bottom of the cradle head suspension plate 2.
In the embodiment of the present invention, the main control board (not shown) includes a processor and a wireless communication module, the input end of the processor is connected to the positive camera group 12 and the oblique photography camera group 13, the control end of the processor is connected to the driving motor 7 and the infrared laser generator 8, and the communication end of the processor is connected to the wireless communication module. The main control board further comprises a storage module, and the storage module is connected with the storage end of the processor.
The embodiment of the utility model provides an in, camera base 11's all edges are equipped with a plurality of louvres, for be used for main control panel's heat dissipation and prevention infrared laser generator 8 receives the wet environment influence and leads to convex mirror atomizing problem, set up laser cover plate 6 on the camera base 11, laser cover plate 6 passes through flat head screw 15 and connects camera base 11 with support plate 4 is hung to the load, support plate 4 is hung to the load sets up four ball mounting holes of moving away to avoid possible earthquakes, ball 3 that moves away to avoid possible earthquakes passes through support plate 4 mounting hole connection is hung to cloud platform shock absorber plate 2 to the load, again by cloud platform support 1 hangs support plate 4 with the load and passes through screw 15 fixed, is the installation of T shape. This kind of project organization is of value to providing a plurality of dimensions for whole portable area laser three-dimensional scanning's aerial survey device and moves away to avoid possible earthquakes and reduce and come from flight platform disturbance influence, and is more compact structurally, and the rigidity has improved aerial survey imaging stability by force.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. The aerial surveying device is characterized by comprising a body, wherein the body comprises an unmanned aerial vehicle mounting mechanism, a shock absorption mechanism and a photographing mechanism, and the bottom of the unmanned aerial vehicle mounting mechanism is mounted at the top of the photographing mechanism through the shock absorption mechanism;
the photographing mechanism comprises a camera base, a main control panel, a positive camera group, four oblique photographing camera groups and a laser three-dimensional scanning module, wherein the positive camera group, the four oblique photographing camera groups and the laser three-dimensional scanning module are respectively connected with the main control panel;
the positive camera group is arranged in the center of the bottom of the camera base, the four oblique photography camera groups surround the positive camera group and are sequentially arranged around the bottom of the camera base in the clockwise direction, and the four oblique photography camera groups are arranged in the same oblique angle and the complementary oblique direction; the cameras of the oblique photography camera group and the positive camera group are provided with low-pass lenses;
laser three-dimensional scanning module includes infrared laser generator, glass post, driving motor, infrared laser generator passes through the laser fixed plate and installs on the camera base, just infrared laser generator's light-emitting window orientation the glass post, infrared laser generator receives driving motor control is with adjustment laser emission angle and frequency.
2. The aerial survey device of claim 1, wherein a bottom of the camera base is provided with a first rotary slot for mounting the positive camera set, four second rotary slots for mounting the oblique camera set;
the positive camera group is provided with a first rotating buckle and is matched with the first rotating clamping groove through the first rotating buckle so as to be fixed on the camera base;
each oblique photography camera group is provided with a second rotary buckle, and the oblique photography camera group is matched with the corresponding second rotary clamping groove through the second rotary buckle to be fixed on the camera base.
3. The aerial survey device of claim 1 or 2, wherein the bottom of the camera base is provided with four inclined mounting platforms for mounting an oblique photography camera group, the four inclined mounting platforms are sequentially positioned around the bottom of the camera base in a clockwise direction, and the four inclined mounting platforms are arranged at the same inclination angle and in a complementary inclination direction.
4. The aerial device of claim 1, wherein the low pass lens is an infrared filter lens.
5. The aerial survey device of claim 1, wherein the shock absorbing mechanism comprises a pan tilt shock absorbing plate, a shock absorbing ball, a load suspension plate;
the cradle head shock-absorbing plate is connected with the load hanging plate, the periphery of the top of the load hanging plate is respectively provided with one shock-absorbing ball, and the bottom of the cradle head shock-absorbing plate is supported on the four shock-absorbing balls.
6. An aerial survey device as claimed in claim 5, wherein the cradle head shock absorber plate is provided with a through hole passing through its upper and lower surfaces in the middle, and the unmanned aerial vehicle mounting mechanism passes through the through hole and is fixedly mounted on the load suspension plate.
7. The aerial survey device of claim 1 or 6, wherein the unmanned aerial vehicle mounting mechanism is a cradle head support, the cradle head support comprises a base and four support frames, each support frame is obliquely mounted on the base, and tops of the four support frames are located on the same plane.
8. The aerial survey device of claim 1, wherein the camera base includes a plurality of louvers formed around a perimeter edge thereof.
9. The aerial survey device of claim 1, wherein the main control board comprises a processor and a wireless communication module, an input end of the processor is connected with the positive camera group and the oblique photography camera group, a control end of the processor is connected with the driving motor and the infrared laser generator, and a communication end of the processor is connected with the wireless communication module.
10. The aerial survey device of claim 9, wherein the main control board further comprises a memory module, the memory module being coupled to the memory of the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328499.3U CN210464464U (en) | 2019-08-15 | 2019-08-15 | Aerial survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328499.3U CN210464464U (en) | 2019-08-15 | 2019-08-15 | Aerial survey device |
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| Publication Number | Publication Date |
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| CN210464464U true CN210464464U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921328499.3U Withdrawn - After Issue CN210464464U (en) | 2019-08-15 | 2019-08-15 | Aerial survey device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440763A (en) * | 2019-08-15 | 2019-11-12 | 华南机械制造有限公司 | A kind of aerial survey device |
-
2019
- 2019-08-15 CN CN201921328499.3U patent/CN210464464U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440763A (en) * | 2019-08-15 | 2019-11-12 | 华南机械制造有限公司 | A kind of aerial survey device |
| CN110440763B (en) * | 2019-08-15 | 2024-04-02 | 华南机械制造有限公司 | Aerial survey device |
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