Remote sensing unmanned aerial vehicle for surveying and mapping engineering

By installing a blower ring and an electric heating box at the lens of the remote sensing drone's optical camera, the problem of lens fogging in high humidity environments is solved, ensuring image quality and mapping accuracy, extending camera lifespan, and reducing maintenance costs.

CN223521059UActive Publication Date: 2025-11-07王徐
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Patent Information

Application Number
CN202423268635.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In high humidity environments, the optical camera lenses of remote sensing drones are prone to water fogging, which affects image quality, reduces the accuracy of surveying data, accelerates camera aging, and increases maintenance costs.

Method used

A lens defogging assembly consisting of a blow ring, a miniature air pump, and a heating box is installed at the optical camera lens. Hot air is sprayed out by the blow ring to remove water mist and ensure image quality.

Benefits of technology

It effectively removes water vapor from the lens, improves the accuracy of surveying data, extends camera life, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a remote-sensing unmanned aerial vehicle for surveying and mapping engineering, which relates to the technical field of engineering surveying and mapping and comprises an unmanned aerial vehicle, a remote-sensing unmanned aerial vehicle and a remote-sensing unmanned aerial vehicle, the lens demisting assembly is arranged at the lens part of the optical camera; wherein the lens demisting assembly comprises a blowing ring attached to a lens of the optical camera, the blowing ring is provided with a blowing hole, a port at one end of the blowing hole is opposite to the outer surface of the lens, the top of the optical camera is also provided with a micro air pump and an electric heating box, and the micro air pump, the electric heating box and the blowing ring are communicated through a conducting pipe. Through cooperative work of the micro air pump, the electric heating box, the injection ring and related parts, water mist on the surface of the lens of the optical camera can be quickly and effectively removed, the imaging quality of the camera in a high-humidity environment is ensured, and the precision of surveying and mapping data is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering surveying and mapping technical field, concretely is a surveying and mapping engineering is with remote sensing unmanned plane. BACKGROUND

[0002] In the field of surveying and mapping engineering, remote sensing unmanned plane has become a key tool for obtaining geographic information due to its unique advantages. It can quickly cover a large area, greatly improving the efficiency of surveying and mapping, and with the help of advanced sensors and imaging technology, it can significantly improve the accuracy of surveying and mapping. In complex terrain, remote sensing unmanned plane can flexibly shuttle and quickly obtain detailed geographic data, providing important data support for subsequent engineering planning, resource exploration and other work.

[0003] However, the current remote sensing unmanned plane for surveying and mapping engineering faces many challenges in practical application. Among them, high humidity environment has a serious impact on surveying and mapping work. When the unmanned plane is in a high humidity environment, the optical camera lens used for surveying and mapping is prone to water mist. This is because the water vapor in the high humidity environment will quickly condense into small droplets when it encounters the relatively low temperature lens surface, forming water mist. Once the lens appears water mist, it will seriously affect the imaging quality of the camera, and the captured image will become blurred, which will prevent accurate capture of geographic information details, thereby reducing the accuracy of surveying and mapping data. Frequent lens water mist problems can also accelerate the aging and damage of internal electronic components of the camera, shorten the service life of the camera, and increase equipment maintenance costs.

[0004] Therefore, the present application is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a remote sensing unmanned plane for surveying and mapping engineering to solve the problems raised in the background.

[0006] To solve the above technical problems, the utility model provides a remote sensing unmanned plane for surveying and mapping engineering, comprising:

[0007] An unmanned aerial vehicle, the lower part of which is equipped with an optical camera for remote sensing and mapping;

[0008] A lens defogging assembly is arranged at the lens part of the optical camera;

[0009] The lens defogging assembly comprises a blow ring arranged at the lens part of the optical camera, the blow ring is provided with a blow hole opposite to the lens outer surface at one end, a micro air pump and an electric heating box are further arranged at the top of the optical camera, and the micro air pump, the electric heating box and the blow ring are communicated through a through pipe.

[0010] Further, the blowing ring is annular, and an annular cavity is arranged in the blowing ring along a circumferential direction of the blowing ring, and the blowing holes are arranged on the wall surface of the inner ring of the blowing ring and are communicated with the annular cavity.

[0011] Further, the blowing holes are arranged in a plurality of circumferential distribution modes on the wall surface of the blowing ring.

[0012] Further, a rotating ring is rotatably arranged in the annular cavity, and a plurality of gas guide holes are arranged on the rotating ring.

[0013] Further, the gas guide holes are arranged in a circumferential array mode.

[0014] Further, one end of the gas guide hole extends to the outer surface of the rotating ring, and the other end of the gas guide hole extends to the lower surface of the rotating ring.

[0015] Further, the outer wall surface of the blowing ring is provided with an air inlet hole, and the port of the through pipe is fixedly communicated with the air inlet hole.

[0016] Further, the electric heating box comprises,

[0017] The box body has a heating cavity, and the box body is arranged on the top of the optical camera and is provided with a heat preservation layer on the wall surface.

[0018] A plurality of electric heating wires are arranged in a serpentine mode in the box body.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model discloses a micro air pump, an electric heating box, a blowing ring and related components cooperate to quickly and effectively remove the water mist on the lens surface of the optical camera, ensure the imaging quality of the camera in a high-humidity environment and improve the precision of surveying and mapping data.

[0021] 2. The utility model discloses a plurality of inclined and circumferential distribution blowing holes on the blowing ring, when the rotating plate and the rotating ring are rotated in the annular cavity under the action of the airflow, the rotating plate pushes the airflow to flow in the annular cavity, the airflow is guided into the gas guide hole and the blowing hole, the flowability of the airflow in the annular cavity is improved, the airflow can be more uniformly guided into the blowing hole, the uniformity and stability of blowing are further ensured, and the demisting capacity of the optical camera lens is improved. DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the utility model;

[0023] Figure 2It is the bottom view structural schematic diagram of the utility model;

[0024] Figure 3 It is the structure schematic diagram of the optical camera main body in the utility model;

[0025] Figure 4 It is the top view structural schematic diagram of the optical camera in the utility model;

[0026] Figure 5 It is the structure schematic diagram along Figure 4 the section line A-A;

[0027] Figure 6 It is the structure enlarged view of A in the utility model; Figure 5

[0028] Figure 7 It is the side view structural schematic diagram of the optical camera main body in the utility model;

[0029] Figure 8 It is the structure schematic diagram along Figure 7 the section line B-B;

[0030] Figure 9 It is the structure enlarged view of B in the utility model. Figure 5

[0031] In the drawing: 1, unmanned aerial vehicle;2, optical camera;3, miniature air pump;4, electric heating box;5, blow ring;6, through pipe;7, blow hole;8, annular cavity;9, rotary ring;10, air guide hole;11, rotating plate. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Please refer to Figures 1-9 , the utility model provides a technical scheme: a remote sensing unmanned plane for surveying and mapping engineering, comprising:

[0034] The unmanned aerial vehicle 1 is provided with an optical camera 2 for remote sensing surveying and mapping on the lower part;

[0035] The lens defogging assembly is arranged at the lens part of the optical camera 2;

[0036] ​​The lens defogging assembly comprises a spray ring 5 arranged on the lens of the optical camera 2, the spray ring 5 is provided with a spray hole 7 with one end port opposite to the outer surface of the lens, a micro air pump 3 and an electric heating box 4 are arranged on the top of the optical camera 2, and the micro air pump 3, the electric heating box 4 and the spray ring 5 are communicated through a through pipe 6.

[0037] Specifically, the unmanned aerial vehicle 1 carries the optical camera 2 for remote sensing and mapping, and the lens defogging assembly is started when it is in a high-humidity environment. The micro air pump 3 extracts air, the air is heated by the electric heating box 4, then enters the spray ring 5 through the through pipe 6, and is sprayed out from the spray hole 7, thereby blowing the lens of the optical camera 2 to prevent water vapor from condensing into water mist on the surface of the lens. By arranging the lens defogging assembly, the problem of water mist on the lens of the optical camera 2 in a high-humidity environment can be effectively solved, the imaging quality of the camera is ensured, the accuracy of the mapping data is improved, the service life of the camera is prolonged, and the equipment maintenance cost is reduced. The structure design is compact, does not occupy too much space when installed on the unmanned aerial vehicle, and the components work cooperatively, so that the defogging effect is direct and effective.

[0038] Referring to Figures 1-8 , the spray ring 5 is annular, and the annular cavity 8 is arranged in the spray ring 5 along the circumferential direction of the spray ring 5, the spray hole 7 is arranged on the inner wall of the spray ring 5, and the port of the spray hole 7 away from the lens of the spray ring 5 is communicated with the annular cavity 8.

[0039] Specifically, the annular cavity 8 in the spray ring 5 is used for collecting hot air entering from the through pipe 6, and the spray hole 7 guides the hot air in the annular cavity 8 to the surface of the lens. Since the spray hole 7 is arranged on the inner wall of the spray ring 5 and communicated with the annular cavity 8, the hot air can be uniformly sprayed from the inside of the spray ring 5 to the lens, and the lens is blown and defogged in all directions. The design of the annular cavity 8 and the spray hole 7 arranged at a specific position can make the hot air uniformly distributed in the spray ring 5 and orderly blow to the lens, so that the lens can be effectively defogged at each position, the defogging effect is further improved, the image captured by the camera is clear, and the accuracy of the mapping data is improved.

[0040] Referring to Figure 5 and Figure 6 , a plurality of spray holes 7 are arranged along the circumferential direction of the spray ring 5, and the spray hole 7 is arranged on the wall of the spray ring 5 in an inclined manner.

[0041] Specifically, the plurality of blow holes 7 distributed circumferentially along the blow ring 5 can blow hot air to the lens surface from different angles, and the inclined blow holes 7 make the blown hot air impact the lens surface at a certain angle, thereby enhancing the flowability and coverage of the hot air on the lens surface; the multi-angle and inclined blow holes 7 increase the contact area and contact force of the hot air with the lens surface, so that the hot air can more effectively dissipate the water vapor on the lens surface, improve the demisting efficiency, and better ensure the imaging quality of the optical camera 2 in a high-humidity environment.

[0042] Referring to Figure 6 and Figure 8 , the rotating ring 9 is rotatably installed in the annular cavity 8, the rotating ring 9 is provided with a plurality of gas guide holes 10, and the outer wall of the rotating ring 9 is provided with a plurality of rotating plates 11.

[0043] Specifically, the hot air is stably delivered to the annular cavity 8, the rotating ring 9 is rotatably installed in the annular cavity 8, the rotating ring 9 is provided with a plurality of circumferentially arranged gas guide holes 10, one end of the gas guide hole 10 extends to the outer surface of the rotating ring 9 to receive the hot air, and the other end extends to the lower surface; the plurality of rotating plates 11 installed on the outer wall of the rotating ring 9 drive the rotating ring 9 to rotate under the action of the hot air, which helps to enhance the flowability of the gas in the annular cavity 8, so that the gas can enter the blow hole 7 more uniformly.

[0044] Referring to Figure 3 , the gas guide hole 10 is provided with a plurality of circumferentially arranged gas guide holes 10.

[0045] Referring to Figure 8 and Figure 9 , one end of the gas guide hole 10 extends to the outer surface of the rotating ring 9, and the other end of the gas guide hole 10 extends to the lower surface of the rotating ring 9.

[0046] Referring to Figure 8 , the outer wall of the blow ring 5 is provided with an air inlet hole, and the port of the guide pipe 6 is fixedly communicated with the air inlet hole.

[0047] Specifically, the hot air from the micro-pump 3 and the electric heating box 4 is stably delivered to the annular cavity 8 of the blow ring 5, ensuring the continuity and stability of the hot air supply.

[0048] Referring to Figure 1 , the electric heating box 4 comprises,

[0049] a box body having a heating cavity, which is installed on the top of the optical camera 2 and is provided with a heat preservation layer on the wall surface thereof;

[0050] a plurality of electric heating wires arranged in a serpentine shape in the interior of the box body.

[0051] Specifically, the arrangement of the serpentine electric heating wire increases the contact time and area of air and the electric heating wire, improves the air heating efficiency, and makes the blown air have sufficient temperature to prevent the lens from fogging, the design of the thermal insulation layer reduces heat loss, improves energy utilization efficiency, and ensures that the electric heating box 4 stably provides high-temperature air for the lens defogging.

[0052] Working principle: when the surveying and mapping engineering remote sensing unmanned aerial vehicle is working, the unmanned aerial vehicle 1 carries the optical camera 2 to fly to the working area, when in a high humidity environment, the lens is easy to appear water mist to affect imaging, at this time, the lens defogging assembly starts to work.

[0053] The micro air pump 3 extracts air, the air enters the electric heating box 4, the box wall surface of the electric heating box 4 is provided with a thermal insulation layer, and a plurality of electric heating wires in a serpentine distribution inside the electric heating box 4 heat the air, the heated air enters the blowing ring 5 through the through pipe 6;

[0054] The blowing ring 5 is annular, has an annular cavity 8 arranged in the circumferential direction inside, the through pipe 6 is in communication with the air inlet hole of the outer wall of the blowing ring 5, and hot air is stably delivered to the annular cavity 8, the rotating ring 9 is rotatably installed in the annular cavity 8, the rotating ring 9 has a plurality of air guide holes 10 arranged in a circumferential array, one end of the air guide hole 10 extends to the outer surface of the rotating ring 9 to receive hot air, and the other end extends to the lower surface; a plurality of rotating plates 11 are installed on the outer circle wall surface of the rotating ring 9, and the rotating plates 11 drive the rotating ring 9 to rotate under the action of hot air, which helps to enhance the flowability of the gas in the annular cavity 8, so that the gas can enter the blowing hole 7 more uniformly;

[0055] The blowing hole 7 is distributed in the circumferential direction of the blowing ring 5 and is obliquely arranged on the inner circle wall surface, is in communication with the annular cavity 8, and the hot air blows to the lens surface of the optical camera 2 at different angles and directions through the air guide hole 10 and the blowing hole 7, so as to prevent water vapor from condensing into water mist on the lens surface and ensure clear imaging of the camera.

[0056] As described above, although the present application has been shown and described with reference to certain preferred embodiments thereof, it is not to be construed as being limited thereto. Various changes in form and details can be made without departing from the spirit and scope of the application as defined in the appended claims.

Claims

1. A remote sensing unmanned aerial vehicle for mapping engineering, characterized in that, The utility model relates to an unmanned aerial vehicle (1) with an optical camera (2) for remote sensing surveying and mapping mounted on the lower part of the unmanned aerial vehicle (1), a lens defogging assembly arranged at the lens part of the optical camera (2), wherein the lens defogging assembly comprises a spray ring (5) arranged at the lens part of the optical camera (2), the spray ring (5) is provided with a spray hole (7) with one end port opposite to the outer surface of the lens, a micro air pump (3) and an electric heating box (4) are further arranged at the top of the optical camera (2), the micro air pump (3), the electric heating box (4) and the spray ring (5) are communicated through a through pipe (6). The spray ring (5) is annular, an annular cavity (8) is arranged in the inside of the spray ring (5) along the circumferential direction of the spray ring (5), the spray hole (7) is arranged on the wall surface of the inner ring of the spray ring (5), and the port of the spray hole (7) away from the lens of the spray ring (5) is communicated with the annular cavity (8). The spray hole (7) is distributed in multiple along the circumferential direction of the spray ring (5), and the spray hole (7) is arranged on the wall surface of the spray ring (5) in an inclined manner. A rotating ring (9) is rotatably arranged in the inside of the annular cavity (8), the rotating ring (9) is provided with a gas guide hole (10), and a plurality of rotating plates (11) are arranged on the wall surface of the outer ring of the rotating ring (9).

2. The remote sensing unmanned vehicle for surveying engineering of claim 1, wherein: The gas guide hole (10) is arranged in multiple, and the plurality of gas guide holes (10) are arranged in a circumferential array on the rotating ring (9).

3. The remote sensing unmanned vehicle for surveying engineering of claim 2, wherein: One end of the gas guide hole (10) extends to the outer surface of the rotating ring (9), and the other end of the gas guide hole (10) extends to the lower surface of the rotating ring (9).

4. The remote sensing unmanned aerial vehicle for surveying engineering of claim 2, wherein: The outer wall surface of the spray ring (5) is provided with an air inlet hole, and the port of the through pipe (6) is fixedly communicated with the air inlet hole.

5. The remote sensing unmanned aerial vehicle for surveying engineering of claim 4, wherein: The electric heating box (4) comprises a box body with a heating cavity, the box body is arranged at the top of the optical camera (2), and a heat preservation layer is arranged on the wall surface of the box body, and a plurality of electric heating wires are arranged in a serpentine manner in the inside of the box body.

6. The remote sensing unmanned aerial vehicle for surveying engineering of claim 4, wherein: ​ 7. The remote sensing unmanned aerial vehicle for surveying engineering of claim 1, wherein: ​ 8. The remote sensing unmanned aerial vehicle for surveying engineering of claim 1, wherein: ​ ​ ​