CN218524163U

CN218524163U - Single-camera oblique photography measuring device based on unmanned aerial vehicle

Info

Publication number: CN218524163U
Application number: CN202222409240.XU
Authority: CN
Inventors: 郭玲; 梁君; 成莺; 陆勇翔; 杨志坚
Original assignee: Gansu Railway Comprehensive Engineering Survey Institute Co ltd
Current assignee: Gansu Railway Comprehensive Engineering Survey Institute Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-24
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a single-camera oblique photography measuring device based on unmanned aerial vehicle belongs to unmanned aerial vehicle oblique photography field, and it includes the camera, its characterized in that, the side end face fixedly connected with supporting shoe of camera, the positive end face fixedly connected with connecting rod of supporting shoe, the other end fixedly connected with connecting block of connecting rod, the side end face fixedly connected with round bar of connecting block. The ball fixedly connected with support is provided with the reflector in, and the up end of camera is fixed with the cleaning solution case. The utility model discloses a single-camera oblique photogrammetry device based on unmanned aerial vehicle has realized through setting up camera lens and reflector relatively that its single-camera can accomplish the shooting and the measurement effect of multi-angle, has saved use cost to and unmanned aerial vehicle's heavy burden pressure. Through setting up cleaning solution case and supercharged air pump messenger's inside washing liquid can spout from the shower nozzle through the pipe to reach and carry out abluent effect to the reflector mirror surface.

Description

Single-camera oblique photography measuring device based on unmanned aerial vehicle

Technical Field

The utility model belongs to the oblique photography field of unmanned aerial vehicle, concretely relates to single-camera oblique photogrammetry device based on unmanned aerial vehicle.

Background

The oblique photography technology is a high and new technology developed in the international photogrammetry field in the last ten years, and acquires abundant high-resolution textures of the top surface and the side view of a building by synchronously acquiring images from a vertical angle, four oblique angles and five different visual angles. The method not only can truly reflect the ground and object conditions and acquire object texture information with high precision, but also can generate a real three-dimensional city model through advanced positioning, fusion, modeling and other technologies. Most of current oblique photography devices, it is mostly the function that the polyphaser form reaches oblique photogrammetry, however the setting of a plurality of cameras can directly increase unmanned aerial vehicle's flight burden, great reduction its flight time.

A portable oblique photographing apparatus disclosed in chinese patent No. CN215217594U, comprising: it includes: a lens mechanism, a support mechanism, a camera; the lens mechanism comprises a reflector, a reflector bracket and a first power component, wherein the reflector and the first power component are arranged on the reflector bracket, and the reflector is connected with an output shaft of the first power component; the support mechanism comprises a second power part and a connecting piece, and an output shaft of the second power part is fixedly connected with the connecting piece; the camera is arranged behind the lens mechanism, and the reflector is arranged on an optical axis of the camera; the camera and the lens mechanism are respectively and fixedly connected to two ends of the connecting piece, and the supporting mechanism is connected to the aircraft; the first power part drives the reflector to do pitching motion; the second power part drives the connecting piece to swing, and the connecting piece drives the reflector and the camera to swing; thereby changing the photographing direction of the camera. The utility model discloses a multi-angle shooting is realized to the optical axis that the reflector changed the camera, and equipment light in weight, the reliability is high, and is easy and simple to handle. The problem of unmanned aerial vehicle because of bearing the aircraft weight gain that a plurality of cameras lead to, for the balance and the stability of maintaining the aircraft, need consume more energy, be unfavorable for the flight of aircraft is solved.

Though the problem that the duration that unmanned aerial vehicle leads to because of bearing a plurality of cameras is short and the equilibrium is poor has been solved to above patent. However, if the device works in a severe environment, the reflective lens can greatly affect the shooting and measuring effects if the reflective lens is stained with dust or dirt. The cleaning is required to be carried out repeatedly, the time and the labor are wasted, and the use is very inconvenient. And it adopts two power parts to reach the regulation to the lens angle, increases unmanned aerial vehicle's flight burden.

SUMMERY OF THE UTILITY MODEL

To prior art in the above defect or improve in the demand one or more, the utility model provides a single-camera oblique photogrammetry device based on unmanned aerial vehicle has lightly adjustable advantage.

In order to achieve the above object, the utility model provides a single-camera oblique photogrammetry device based on unmanned aerial vehicle, it includes the camera, its characterized in that, the side end face of camera fixedly connected with supporting shoe, the positive end face of supporting shoe fixedly connected with connecting rod, the other end fixedly connected with connecting block of connecting rod, the side end face fixedly connected with round bar of connecting block, the other end fixedly connected with ball socket connector of round bar;

the ball socket connector is connected with a ball through rotation, the ball is fixedly connected with a support, a reflector is arranged in the support, and a cleaning liquid box is fixedly arranged on the upper end face of the camera.

As a further improvement, the fixed pressure boost air pump that is provided with of up end of cleaning solution case, the positive terminal surface through connection of cleaning solution case has the pipe, a tip fixedly connected with shower nozzle of pipe, be provided with the solenoid valve on the pipe.

As a further improvement, the fixed camera lens that is provided with of positive terminal surface of camera, the camera lens with the mirror surface of reflector sets up relatively.

As a further improvement of the utility model, ball socket connector's inside is equipped with two small-size motors, ball socket connector's ball socket department is provided with horizontal gyro wheel and vertical gyro wheel, small-size motor with horizontal gyro wheel with vertical gyro wheel realizes the transmission and connects.

As a further improvement, the lens and the mirror surface of the reflector are both provided with a protective film.

Generally, through the utility model above technical scheme who conceives compares with prior art, the beneficial effect who has includes:

the utility model discloses a single-camera oblique photography measurement device based on unmanned aerial vehicle has realized shooting and the measuring effect that its single-camera can accomplish the multi-angle through setting up camera lens and reflector relatively, has saved use cost to and unmanned aerial vehicle's heavy burden pressure. Through setting up cleaning solution case and supercharged air pump messenger's inside washing liquid can spout from the shower nozzle through the pipe to reach and carry out abluent effect to the reflector mirror surface. The electromagnetic valve is arranged on the guide pipe, so that workers can clean the mirror surface of the reflector on the ground, the reflecting effect of the reflector is guaranteed, and the shooting and measuring effects are improved. Through setting up ball socket connector and ball, make it can cross the angle to the reflector and adjust, carry out the transmission through setting up the motor in ball socket connector and carrying out the transmission with horizontal gyro wheel and vertical gyro wheel and be connected, make it adopt a drive assembly can accomplish the multi-angle regulation to the mirror surface, further alleviateed unmanned aerial vehicle's the weight that bears, increased flight time, and can make its flight more stable, improved photographic quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a top view of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 1. a camera; 2. A support block; 3. a connecting rod; 4. connecting blocks; 5. a round bar; 6. a ball and socket connector; 7. a ball; 8. a support; 9. a reflective mirror; 10. a lens; 11. a cleaning solution tank; 12. a pressurization air pump; 13. a conduit; 14. a spray head; 15. a transverse roller; 16. and a longitudinal roller.

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 work belong to the protection scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprises," "comprising," and the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.

In the embodiment, as shown in fig. 1 to 4, a single-camera oblique photography measuring device based on an unmanned aerial vehicle comprises a camera 1, wherein a supporting block 2 is fixedly connected to the side end face of the camera 1, a connecting rod 3 is fixedly connected to the positive end face of the supporting block 2, a connecting block 4 is fixedly connected to the other end of the connecting rod 3, a round rod 5 is fixedly connected to the side end face of the connecting block 4, and a ball socket connector 6 is fixedly connected to the other end of the round rod 5; make support 8 have rotatablely through setting up ball socket connector 6 and ball 7, realized the multi-angle slope photogrammetry's of single-phase machine function, thereby solved traditional slope measurement and need assemble a plurality of cameras and lead to unmanned aerial vehicle to bear the weight too big messenger flight time greatly reduced's the condition.

The ball socket connector 6 is connected with a ball 7 through rotation, the ball 7 is fixedly connected with a support 8, a reflective mirror 9 is arranged in the support 8, and a cleaning solution tank 11 is fixedly arranged on the upper end face of the camera 1. The cleaning liquid tank 11 is arranged on the upper end face of the camera 1, so that the cleaning liquid tank can have a function of cleaning the reflector 9, and when the camera is shot at high altitude, for example, dust is adhered to the surface of the reflector 9, so that the photographic measurement is affected, and the photographic effect is poor or the measurement generates errors. The structure can well avoid similar problems, particularly, an operator on the ground can control the cleaning liquid in the cleaning liquid tank 11 to be sprayed to the mirror surface of the reflector 9, so that the cleaning effect on the reflector is achieved, and the influence caused by dust or dirt is avoided.

As an optimized technical solution of the utility model: the upper end face of the cleaning liquid tank 11 is fixedly provided with a pressurization air pump 12, the positive end face of the cleaning liquid tank 11 is connected with a guide pipe 13 in a penetrating way, one end part of the guide pipe 13 is fixedly connected with a spray head 14, and the guide pipe 13 is provided with an electromagnetic valve. When the staff need wash the mirror surface of reflector 9, can be when unmanned aerial vehicle flies, open through the solenoid valve on the control pipe 13 to make the washing liquid that advances in washing liquid tank 11 after pressurization of booster pump 12 spout from shower nozzle 14 through pipe 13 and played the effect to the mirror surface washing of reflector 9. The cleaning liquid tank 11 is arranged to enhance the pressure of the cleaning liquid during spraying, so that the cleaning effect is better.

As an optimized technical solution of the utility model: the positive end face of the camera 1 is fixedly provided with a lens 10, and the lens 10 is arranged opposite to the mirror face of the reflector 9. Adopt camera lens 10 and reflector 9's relative setting, and make its optical axis and mirror surface center keep same straight line, make it when carrying out oblique photography or measuring, the mirror surface reflection of measuring area through reflector 9 is caught by camera lens 10 and can be accomplished the shooting, compare in traditional many camera lenses setting, use cost has been saved on the one hand to this kind of structure, on the other hand can alleviate unmanned aerial vehicle burden when flying greatly, the flight time who has avoided its too much heavy burden and lead to reduces, also make flight more stable simultaneously, the shooting effect is better.

As an optimized technical solution of the utility model: two small motors are arranged inside the ball socket connector 6, a transverse roller 15 and a longitudinal roller 16 are arranged at the ball socket of the ball socket connector 6, and the small motors are in transmission connection with the transverse roller 15 and the longitudinal roller 16. Through setting up small-size motor and horizontal gyro wheel 15 and vertical gyro wheel 16 in ball socket joint 6, make it realize when carrying out the adjustment to reflector 9 mirror surface direction, the staff only needs to carry out the control to the motor on ground to make it drive the rotation of horizontal gyro wheel 15 or vertical gyro wheel 16, when horizontal gyro wheel 15 or vertical gyro wheel 16 rotated, accessible friction can make its rotation that drives ball 7, thereby reach the ability to the adjustment of mirror surface direction. The connecting mode can complete multi-angle adjustment of the mirror surface direction only by one transmission assembly, so that the use cost is saved, and the whole weight of the connecting mode is lighter.

As an optimized technical solution of the utility model: the lens 10 and the mirror surface of the reflector 9 are both provided with protective films. The protection film is arranged, so that the protection film can protect the lens and the mirror surface when the protection film is used for shooting or measuring in a severe place of the environment, the lens or the mirror surface is prevented from being scratched when the protection film works in a place with large dust, the shooting effect is guaranteed, and the service life is prolonged.

The working principle is as follows: when a worker conducts oblique photography or measurement, the mirror surface angle of the ball 7 can be adjusted by controlling the motor in the ball socket connector 6 to enable the transverse roller 15 or the longitudinal roller 16 to rotate so as to drive the ball 7 to rotate, and therefore the purpose of adjusting by adopting one transmission assembly is achieved. When shooting or measuring, the mirror reflection of the reflector 9 is used to complete multi-angle shooting or measuring by arranging a lens 10. When the mirror surface of the reflective mirror 9 needs to be cleaned, a worker controls the electromagnetic valve on the conduit 13 to enable the cleaning liquid in the cleaning liquid tank 11 arranged on the camera 1 to be sprayed out from the spray head 14 through the conduit 13 under the pressurization of the pressurization air pump 12 to clean the mirror surface of the reflective mirror 9, so that the problem that the shooting or measurement effect is poor due to the fact that the mirror surface of the reflective mirror 9 is dirty when shooting is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The single-camera oblique photogrammetry device based on the unmanned aerial vehicle comprises a camera (1) and is characterized in that the side end face of the camera (1) is fixedly connected with a supporting block (2), the positive end face of the supporting block (2) is fixedly connected with a connecting rod (3), the other end of the connecting rod (3) is fixedly connected with a connecting block (4), the side end face of the connecting block (4) is fixedly connected with a round rod (5), and the other end of the round rod (5) is fixedly connected with a ball socket connector (6);

the ball socket connector (6) is connected with a ball (7) through rotation, the ball (7) is fixedly connected with a support (8), a reflective mirror (9) is arranged in the support (8), and a cleaning solution box (11) is fixedly arranged on the upper end face of the camera (1).

2. The single-camera oblique photogrammetry apparatus based on unmanned aerial vehicle as claimed in claim 1, wherein a pressurization air pump (12) is fixedly arranged on the upper end face of the cleaning liquid tank (11), a conduit (13) penetrates through the upper end face of the cleaning liquid tank (11), a nozzle (14) is fixedly connected to one end of the conduit (13), and an electromagnetic valve is arranged on the conduit (13).

3. The single-camera oblique photogrammetry apparatus based on unmanned aerial vehicle according to claim 1, characterized in that the positive end face of the camera (1) is fixedly provided with a lens (10), and the lens (10) is arranged opposite to the mirror face of the reflective mirror (9).

4. The single-camera oblique photogrammetric device based on unmanned aerial vehicle of claim 1 is characterized in that two small motors are arranged inside the ball-and-socket connector (6), a transverse roller (15) and a longitudinal roller (16) are arranged at a ball socket of the ball-and-socket connector (6), and the small motors are in transmission connection with the transverse roller (15) and the longitudinal roller (16).

5. The single-camera oblique photogrammetry apparatus based on unmanned aerial vehicle as claimed in claim 3, wherein the mirror surfaces of the lens (10) and the reflective mirror (9) are provided with protective films.