CN111595301A - Aerial surveying device for geographic information system and surveying method thereof - Google Patents
Aerial surveying device for geographic information system and surveying method thereof Download PDFInfo
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- CN111595301A CN111595301A CN202010431150.3A CN202010431150A CN111595301A CN 111595301 A CN111595301 A CN 111595301A CN 202010431150 A CN202010431150 A CN 202010431150A CN 111595301 A CN111595301 A CN 111595301A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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Abstract
The invention discloses an aerial measuring device for a geographic information system and a measuring method thereof, wherein the aerial measuring device for the geographic information system is arranged on an aircraft shell, a mechanical arm is fixedly arranged in the aircraft shell, the device comprises an outer spherical shell, one part of the outer spherical shell extends out of the aircraft shell, a plurality of aerial measuring instruments are detachably arranged on the outer spherical shell, a transmission rod is fixedly connected in the outer spherical shell, and the transmission rod is fixedly connected with the movable end of the mechanical arm. The invention can synchronously adjust the angles of all the aviation measuring instruments and has higher efficiency.
Description
Technical Field
The invention relates to the field of aerial survey, in particular to an aerial survey device for a geographic information system and a survey method thereof.
Background
Aerial photogrammetry refers to the operation of continuously shooting pictures on the ground by using an aerial photographic instrument on an airplane, and drawing a topographic map by combining the steps of ground control point measurement, adjustment drawing, three-dimensional mapping and the like. Aeronautical surveying is used in many different fields of application, for example mapping, in particular in photogrammetry, land surveying, navigation systems, urban planning and construction, archaeology, geographical design, emergency management, gaming or augmented reality applications, intelligent transportation systems, property management, monitoring of vegetation and ground cover, etc.
In order to improve the richness and accuracy of an aerial measurement result, the angle of an aerial measurement instrument needs to be properly adjusted in the measurement process, in the prior art, most aerial measurement instruments are fixed after being installed, cannot be adjusted, are inconvenient to use, can be adjusted partially, but can be adjusted one by one, and is low in efficiency and complex in operation.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the aerial measuring device for the geographic information system and the measuring method thereof, which can synchronously adjust the angles of all aerial measuring instruments and have higher efficiency.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides an aerial survey device for geographic information system, sets up on the aircraft casing, the inside fixed arm that is provided with of aircraft casing, the device includes outer spherical shell, partly stretch out of outer spherical shell the aircraft casing, can dismantle on the outer spherical shell and be provided with a plurality of aeronautical measuring instrument, the inside fixedly connected with transfer line of outer spherical shell, the transfer line with the end fixed connection that moves of arm.
Preferably, a seal is disposed in the through hole, and a portion of the outer spherical shell passes through the seal.
Preferably, the inner wall of the outer spherical shell is fixedly connected with an inner spherical shell through a plurality of connecting rods, the outer spherical shell and the inner spherical shell are concentrically arranged, a plurality of mounting sleeves extending along the radial direction are fixedly arranged between the inner spherical shell and the outer spherical shell, the mounting sleeves penetrate through the outer spherical shell, the aeronautical measuring instrument is detachably arranged in the mounting sleeves, and the transmission rod is fixedly connected with the inner spherical shell.
Preferably, be provided with the spliced pole in the installation sleeve, spliced pole electric connection has cable and joint in proper order, aeronautical measuring instrument includes electric connection's camera subassembly and image processing subassembly, the image processing subassembly with connect electric connection, the camera subassembly orientation the outside of outer spherical shell.
Preferably, the aerial surveying instrument still includes the connecting plate, camera subassembly with the image processing subassembly is fixed the setting respectively in the both sides of connecting plate, the connecting plate pass through a plurality of bolts with installation sleeve detachable connection.
Preferably, a transmission plate is fixedly arranged inside the inner spherical shell, one end of the transmission rod is fixedly connected with the transmission plate, and the other end of the transmission rod is fixedly connected with the movable end of the mechanical arm.
Preferably, a reinforcing block is fixedly arranged on the transmission plate, and the transmission rod is fixedly connected with the reinforcing block.
Preferably, the fixed box that is provided with in aircraft casing, the box cover is established on the outer spherical shell, the fixed mounting panel that is provided with in the box, the arm is fixed to be set up on the mounting panel.
Preferably, the outer spherical shell is connected with the inner wall of the box body through a plurality of elastic connecting pieces.
The invention also provides a measuring method of the aerial measuring device for the geographic information system, which comprises the following steps:
s1, determining the number and the installation positions of the aeronautical measuring instruments according to the use requirements, and installing the aeronautical measuring instruments on the outer spherical shell;
s2, starting an aircraft, driving the device to move by using the aircraft, and measuring by the aerial measuring instrument in the moving process of the device;
and S3, driving the transmission rod to move by using the mechanical arm, and driving the outer spherical shell to rotate through the transmission rod, so as to change the angle of the aeronautical measuring instrument.
When the aerial measuring device is used, the aircraft drives all the aerial measuring devices to move, the aerial measuring devices perform aerial measurement in the process, when multi-angle measurement is needed, the mechanical arm is used for driving the transmission rod to move, the transmission rod drives the outer spherical shell to rotate, all the aerial measuring devices are further driven to synchronously rotate, and the purposes of changing the angles of the aerial measuring devices and performing multi-angle measurement are achieved. Compared with the traditional aviation measuring device with fixed angles, the invention can realize multi-angle flexible measurement and improve the richness of measured data; compared with the traditional mode of adjusting each aerial measuring instrument one by one, the method can synchronously adjust the angles of all the aerial measuring instruments, has higher efficiency, can effectively improve the coordination of all the aerial measuring instruments, and avoids the condition that the accuracy of the overall measuring result is reduced due to the repetition of local measuring data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Reference numerals: 1-aircraft shell, 2-sealing element, 3-box, 4-elastic connecting piece, 5-mounting plate, 6-mechanical arm, 7-connecting rod, 8-outer spherical shell, 9-mounting sleeve, 10-connecting plate, 11-camera component, 12-image processing component, 13-joint, 14-cable, 15-connecting column, 16-inner spherical shell, 17-reinforcing block, 18-driving plate and 19-driving rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of the overall structure of the present invention.
The utility model provides an aviation measuring device for geographic information system, sets up on aircraft casing 1, and aircraft casing 1 is inside to be fixed to be provided with arm 6, and the device includes outer spherical shell 8, and aircraft casing 1 is stretched out to some of outer spherical shell 8, can dismantle on the outer spherical shell 8 to be provided with a plurality of aeronautical measuring instrument, the inside fixedly connected with transfer line 19 of outer spherical shell 8, transfer line 19 and the end fixed connection that moves of arm 6.
When the aerial measuring device is used, the aircraft drives all the aerial measuring devices to move, the in-process aerial measuring devices perform aerial measurement, when multi-angle measurement needs to be performed, the mechanical arm 6 is used for driving the transmission rod 19 to move, the transmission rod 19 drives the outer spherical shell 8 to rotate, all the aerial measuring devices are driven to synchronously rotate, and the purposes of changing the angles of the aerial measuring devices and measuring the multi-angle are achieved. Compared with the traditional aviation measuring device with fixed angles, the invention can realize multi-angle flexible measurement and improve the richness of measured data; compared with the traditional mode of adjusting each aerial measuring instrument one by one, the method can synchronously adjust the angles of all the aerial measuring instruments, has higher efficiency, can effectively improve the coordination of all the aerial measuring instruments, and avoids the condition that the accuracy of the overall measuring result is reduced due to the repetition of local measuring data.
In the present embodiment, a seal 2 is provided in the through hole, and a part of the outer spherical shell 8 passes through the seal 2. The sealing element 2 is used for ensuring the sealing performance of the aircraft shell 1 and avoiding the damage of an aeronautical measuring instrument caused by the vibration of the outer spherical shell 8 due to the rapid air flow caused by the difference between the internal air pressure and the external air pressure in the flying process of the aircraft.
In this embodiment, the inner wall of the outer spherical shell 8 is fixedly connected with an inner spherical shell 16 through a plurality of connecting rods 7, the outer spherical shell 8 and the inner spherical shell 16 are concentrically arranged, a plurality of mounting sleeves 9 extending along the radial direction are fixedly arranged between the inner spherical shell 16 and the outer spherical shell 8, the mounting sleeves 9 penetrate through the outer spherical shell 8, the aeronautical measuring instrument is detachably arranged in the mounting sleeves 9, and the transmission rod 19 is fixedly connected with the inner spherical shell 16. Considering that the number of the aerial measuring instruments required according to the measurement requirements can change in the actual measurement process, in order to meet the requirement of flexible adjustment, the effect of flexibly disassembling and assembling the aerial measuring instruments is realized by arranging the installation sleeve 9, the installation strength of the installation sleeve 9 is further improved by adding the inner spherical shell 16, and the random change of the angle of the aerial measuring instruments caused by the deformation of the installation sleeve 9 is avoided.
In this embodiment, the mounting manner of the aeronautical measuring instrument is as follows: the mounting sleeve 9 is provided with a connecting column 15, the connecting column 15 is electrically connected with a cable 14 and a connector 13 in sequence, the aerial surveying instrument comprises a camera assembly 11 and an image processing assembly 12 which are electrically connected, the image processing assembly 12 is electrically connected with the connector 13, and the camera assembly 11 faces the outside of the outer spherical shell 8. Wherein the connecting column 15 is used for improving the strength of the end part of the cable 14, avoiding the friction damage of the cable 14 and prolonging the service life of the cable 14. The cable 14 and the connector 13 can be flexibly selected according to the specific models of the camera assembly 11 and the image processing assembly 12, and are conventional in the art and will not be described herein. In other embodiments of the present invention, other devices may be used in the airborne survey apparatus. Furthermore, it should be noted that the cable 14 may be connected to a control system inside the aircraft, and then transmit the measurement data of the aerial measurement instrument to the ground in real time through a network device, which can be thought and realized by those skilled in the art according to conventional means in the art, and will not be described in detail.
In this embodiment, the aeronautical measuring instrument further comprises a connecting plate 10, the camera assembly 11 and the image processing assembly 12 are respectively and fixedly arranged on two sides of the connecting plate 10, and the connecting plate 10 is detachably connected with the mounting sleeve 9 through a plurality of bolts. The connection plate 10 serves on the one hand to facilitate the mounting of the aeronautical measuring instruments and on the other hand to enclose the unused mounting sleeves 9 for protecting the internal structure when the number of aeronautical measuring instruments is changed. Specifically, the end wall of the mounting sleeve 9 is provided with a screw hole extending in the longitudinal direction, thereby improving the convenience of mounting the connecting plate 10.
In this embodiment, a driving plate 18 is fixedly disposed inside the inner spherical shell 16, one end of the driving rod 19 is fixedly connected to the driving plate 18, and the other end of the driving rod 19 is fixedly connected to the movable end of the robot arm 6. Through setting up driving plate 18, can reduce the length of transfer line 19, and then reduce the possibility that transfer line 19 takes place the deformation, prolong the life of device.
In the present embodiment, a reinforcing block 17 is fixedly disposed on the transmission plate 18, and the transmission rod 19 is fixedly connected to the reinforcing block 17. The reinforcing block 17 is used for improving the connection strength between the transmission plate 18 and the transmission rod 19, so that the fracture of the connection part is avoided, the smooth adjustment of the angle of the aerial measuring instrument is ensured, and the damage of the device is also avoided.
In this embodiment, the interior of the aircraft casing 1 is fixedly provided with a box body 3, the box body 3 covers the outer spherical shell 8, the box body 3 is fixedly provided with a mounting plate 5, and the mechanical arm 6 is fixedly arranged on the mounting plate 5. The tank 3 is used to separate the device from the internal environment of the aircraft, protecting the device.
In this embodiment, the outer spherical shell 8 is connected to the inner wall of the housing 3 by a plurality of elastic connectors 4. The elastic connecting piece 4 is used for accelerating the resetting of the outer spherical shell 8, so that the pressure of the mechanical arm 6 is reduced when the angle of the aerial measuring instrument needs to be adjusted, and the adjusting speed is increased. The elastic connecting member 4 may be selected from conventional parts such as a spring.
In the present embodiment, a measurement method of an aerial measurement device for a geographic information system includes steps S1 to S3.
And S1, determining the number and the installation positions of the aeronautical measuring instruments according to the use requirements, and installing the aeronautical measuring instruments on the outer spherical shell 8.
And S2, starting the aircraft, driving the device to move by using the aircraft, and measuring by using the aerial measuring instrument in the moving process of the device.
And S3, driving the transmission rod 19 to move by using the mechanical arm 6, and driving the outer spherical shell 8 to rotate through the transmission rod 19, so as to change the angle of the aeronautical measuring instrument.
By adopting the method, the angle of the aeronautical measuring instrument can be quickly adjusted, and multi-angle measurement is realized.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An aerial survey device for a geographic information system, which is arranged on an aircraft shell (1), is characterized in that: the aircraft is characterized in that a mechanical arm (6) is fixedly arranged inside the aircraft shell (1), the device comprises an outer spherical shell (8), one part of the outer spherical shell (8) extends out of the aircraft shell (1), a plurality of aerial measuring instruments are detachably arranged on the outer spherical shell (8), a transmission rod (19) is fixedly connected inside the outer spherical shell (8), and the transmission rod (19) is fixedly connected with a movable end of the mechanical arm (6).
2. The aerial survey device for the geographic information system as set forth in claim 1, wherein: a sealing element (2) is arranged in the through hole, and a part of the outer spherical shell (8) penetrates through the sealing element (2).
3. The aerial survey device for the geographic information system as set forth in claim 1, wherein: the inner wall of outer spherical shell (8) is through spherical shell (16) in a plurality of connecting rod (7) fixedly connected with, just outer spherical shell (8) with interior spherical shell (16) set up with one heart, interior spherical shell (16) with it radially extends installation sleeve (9) to fix between outer spherical shell (8) and be provided with a plurality of, just installation sleeve (9) link up outer spherical shell (8), aeronautical measuring instrument can dismantle the setting and be in installation sleeve (9), transfer line (19) with interior spherical shell (16) fixed connection.
4. An aerial survey device for a geographic information system as set forth in claim 3, wherein: be provided with spliced pole (15) in installation sleeve (9), spliced pole (15) electric connection has cable (14) and joint (13) in proper order, aeronautical measuring instrument includes electric connection's camera subassembly (11) and image processing subassembly (12), image processing subassembly (12) with joint (13) electric connection, camera subassembly (11) orientation the outside of ectosphere shell (8).
5. The aerial survey device for the geographic information system as set forth in claim 4, wherein: the aerial surveying instrument further comprises a connecting plate (10), the camera assembly (11) and the image processing assembly (12) are respectively and fixedly arranged on two sides of the connecting plate (10), and the connecting plate (10) is detachably connected with the mounting sleeve (9) through a plurality of bolts.
6. An aerial survey device for a geographic information system as set forth in claim 3, wherein: the inner spherical shell (16) is fixedly provided with a transmission plate (18), one end of the transmission rod (19) is fixedly connected with the transmission plate (18), and the other end of the transmission rod (19) is fixedly connected with the moving end of the mechanical arm (6).
7. The aerial survey device for the geographic information system as set forth in claim 6, wherein: the transmission plate (18) is fixedly provided with a reinforcing block (17), and the transmission rod (19) is fixedly connected with the reinforcing block (17).
8. The aerial survey device for the geographic information system as set forth in claim 1, wherein: the fixed box (3) that is provided with in inside of aircraft casing (1), box (3) cover is established on outer spherical shell (8), the fixed mounting panel (5) that is provided with in box (3), arm (6) are fixed to be set up on mounting panel (5).
9. The aerial survey device for the geographic information system as set forth in claim 8, wherein: the outer spherical shell (8) is connected with the inner wall of the box body (3) through a plurality of elastic connecting pieces (4).
10. The surveying method of the aerial surveying device for geographic information system according to claim 1, wherein: the method comprises the following steps:
s1, determining the number and the installation positions of the aeronautical measuring instruments according to the use requirements, and installing the aeronautical measuring instruments on the outer spherical shell (8);
s2, starting an aircraft, driving the device to move by using the aircraft, and measuring by the aerial measuring instrument in the moving process of the device;
and S3, driving the transmission rod (19) to move by using the mechanical arm (6), and driving the outer spherical shell (8) to rotate through the transmission rod (19), so as to change the angle of the aeronautical measuring instrument.
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