Waterproof unmanned aerial vehicle

The waterproof drone's adjustable ventilation and sealing system addresses heat dissipation and waterproofing challenges by using annular grooves and gaskets to adapt to varying humidity, enhancing motor performance and service life.

CN222224467UInactive Publication Date: 2024-12-24ARMY ENG UNIV OF PLA
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Patent Information

Application Number
CN202421113226.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2024-12-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Waterproof drones face challenges in maintaining effective heat dissipation and waterproofing due to the high-speed operation of motors, which generates heat and is compromised by a closed waterproof environment, affecting performance and service life.

Method used

A waterproof drone design with adjustable ventilation and sealing mechanisms, including annular grooves, waterproof gaskets, and sliding plates to allow heat dissipation in low humidity and seal against water vapor in high humidity, using cylinders to control vent openings and closures.

Benefits of technology

The design enhances heat dissipation and waterproofing by adapting to environmental conditions, improving motor performance and extending service life through selective ventilation and sealing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles and comprises a vehicle body, a plurality of accommodating shells are arranged on the periphery of the vehicle body, first motors are fixedly connected in the accommodating shells, and output shafts of the first motors extend out of the tops of the accommodating shells and are fixedly connected with a plurality of paddles; a plurality of ventilation assemblies are arranged at the bottom of the containing shell, each ventilation assembly comprises a plurality of ventilation holes formed in the bottom of the containing shell, a plurality of first annular grooves are formed in the inner bottom wall of the containing shell, the first annular grooves are wound around the ventilation holes in the ventilation assemblies, and first waterproof gaskets are fixedly connected into the first annular grooves; a plurality of air cylinders are fixedly connected into the containing shell, baffles are fixedly connected to output shafts of the air cylinders, first annular plates slidably connected with the first annular grooves are fixedly connected to the bottoms of the baffles, and the first waterproof gaskets are clamped between the first annular plates and the first annular grooves. The containing shell can be switched between the waterproof state and the ventilation state, protection of the first motor is improved, and the use performance is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a waterproof unmanned aerial vehicle. Background Art

[0002] A drone is an unmanned aircraft controlled by a radio remote control device and a program control device. It is usually equipped with an optoelectronic pod with infrared and visible light cameras, so it can be used in security monitoring, environmental monitoring, power inspection, personnel search and rescue and other fields. In order to reduce the impact of water and rain on the equipment inside the fuselage and pod of the drone, sealants and sealing gaskets are usually set at the connection between the fuselage and the pod to seal the drone. The power system in the drone is composed of motors and blades. During the flight of the drone, the motor in the power system needs to maintain high-speed operation for a long time, resulting in high heat generated by the motor. Therefore, the motor in the power system has relatively higher requirements for heat dissipation, and the waterproof closed environment will affect its heat dissipation, thereby affecting the performance and service life of the motor.

[0003] To this end, a waterproof drone is proposed. Utility Model Content

[0004] The utility model aims to provide a waterproof drone, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a waterproof drone, comprising a body, a plurality of housing shells are arranged on the outer circumference of the body, a first motor is fixedly connected in the housing shell, and an output shaft of the first motor extends out of the top of the housing shell and is fixedly connected to a plurality of blades;

[0006] A gap is provided between the bottom of the first motor and the bottom of the accommodating shell, a plurality of ventilation components are provided at the bottom of the accommodating shell, the ventilation components include a plurality of ventilation holes provided at the bottom of the accommodating shell, a plurality of first annular grooves are provided on the inner bottom wall of the accommodating shell, the plurality of first annular grooves are provided in one-to-one correspondence with the plurality of ventilation components, the first annular grooves are arranged around the plurality of ventilation holes on the ventilation component, and a first waterproof gasket is fixed in the first annular groove;

[0007] A plurality of cylinders are fixedly connected in the accommodating shell, a baffle is fixedly connected to the output shaft of the cylinder, a first annular plate is fixedly connected to the bottom of the baffle, a plurality of the first annular plates and a plurality of the first annular grooves are arranged in one-to-one correspondence and are slidably connected, and the first waterproof gasket is clamped between the first annular plate and the first annular groove.

[0008] Preferably, a third waterproof gasket is provided on the outer sleeve of the output shaft of the first motor, and the third waterproof gasket is clamped between the inner top wall of the accommodating shell and the top of the first motor outer cover.

[0009] Preferably, the fuselage body includes a fuselage bottom shell, a plurality of the containing shells are arranged on the outer circumference of the fuselage bottom shell, a fuselage top shell is arranged on the top of the fuselage bottom shell, a second annular groove is opened on the top of the fuselage bottom shell, a second annular plate is fixedly connected to the bottom of the fuselage top shell, the second annular plate is slidably connected to the second annular groove, a second waterproof gasket is clamped between the second annular plate and the second annular groove, and the fuselage top shell and the fuselage bottom shell are detachably connected by a plurality of the first bolts.

[0010] Preferably, the outer circumference of the fuselage bottom shell is fixedly connected and connected with a plurality of first connecting tubes, one end of the first connecting tube away from the fuselage bottom shell is detachably connected with a plurality of second connecting tubes, and one end of the second connecting tube away from the first connecting tube is fixedly connected and connected with the containing shell.

[0011] Preferably, a third annular groove is provided at one end of the first connecting tube away from the bottom shell of the fuselage, the second connecting tube is slidably connected to the third annular groove, a fourth waterproof gasket is fixed in the third annular groove, the fourth waterproof gasket is clamped between the third annular groove and the second connecting tube, a sleeve is rotatably connected to the outside of the first connecting tube, and the inner wall of the sleeve is threadedly connected to the outer wall of the second connecting tube.

[0012] Preferably, a limiting groove is provided on the side wall of the third annular groove, a limiting block is fixedly connected to the outer wall of one end of the second connecting tube close to the first connecting tube, and the limiting block is slidably connected to the limiting groove.

[0013] Preferably, a pod is also provided at the bottom of the fuselage bottom shell, and the pod includes a middle shell, side shells are respectively provided on both sides of the middle shell, fourth annular grooves are respectively opened on both sides of the middle shell, a fifth waterproof gasket is fixedly connected in the fourth annular groove, a third annular plate is fixedly connected to one end of the side shell close to the middle shell, the third annular plate is slidably connected to the fourth annular groove, the fifth waterproof gasket is clamped between the third annular plate and the fourth annular groove, and the middle shell and the side shell are detachably connected by a plurality of second bolts.

[0014] Preferably, two brackets are fixedly connected to the bottom of the fuselage bottom shell.

[0015] The utility model discloses the following technical effects: when performing a flight mission in an area with low humidity, the first annular plate on the baffle can be driven by the cylinder to leave the first annular groove, thereby opening the vent hole, which is convenient for the first motor in the housing to dissipate heat; when performing a mission in an area with high humidity or encountering rainy and snowy weather, the first annular plate on the baffle can be driven by the cylinder to slide into the first annular groove, thereby closing the vent hole, and a first waterproof gasket is sandwiched between the first annular plate and the first annular groove to prevent external water vapor from entering, reduce the impact of external water vapor on internal equipment, and improve waterproof performance. The housing in the utility model can switch between a waterproof state and a ventilated state, so that selective waterproofing or ventilation can be performed according to different external environments, thereby improving the protection of the first motor and improving the performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is an exploded view of the containing shell, the first motor and the cylinder in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the first annular plate and the first annular groove in the utility model;

[0020] Figure 4 It is an exploded view of the machine body in the utility model;

[0021] Figure 5 This is a schematic diagram of the installation structure of the first connecting tube and the second connecting tube in the utility model;

[0022] Figure 6 It is an exploded view of the middle shell and the side shell in the utility model.

[0023] In the figure: 1, containing shell; 2, first motor; 3, paddle; 4, vent; 5, first annular groove; 6, first waterproof gasket; 7, cylinder; 8, baffle; 9, first annular plate; 10, third waterproof gasket; 11, fuselage bottom shell; 12, fuselage top shell; 13, second annular groove; 14, second annular plate; 15, second waterproof gasket; 16, first bolt; 17, first connecting tube; 18, second connecting tube; 19, third annular groove; 20, fourth waterproof gasket; 21, sleeve; 22, limit groove; 23, limit block; 24, middle shell; 25, side shell; 26, fourth annular groove; 27, fifth waterproof gasket; 28, third annular plate; 29, second bolt; 30, bracket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Reference Figure 1-Figure 6 The utility model provides a waterproof drone, including a body, a plurality of housing shells 1 are arranged in the outer circumference of the body, a first motor 2 is fixedly connected in the housing shell 1, an output shaft of the first motor 2 extends out of the top of the housing shell 1 and is fixedly connected with a plurality of blades 3, and the output shaft of the first motor 2 is rotatably connected to the top wall of the housing shell 1; the housing shell 1 includes a shell body and a top cover, the top cover is threadedly connected to the shell body, and a waterproof ring (not shown in the figure) is sandwiched between the two to improve the waterproofness of the connection;

[0027] A gap is provided between the bottom of the first motor 2 and the bottom of the accommodating shell 1. The bottom of the accommodating shell 1 is provided with a plurality of ventilation components, the ventilation components including a plurality of ventilation holes 4 provided at the bottom of the accommodating shell 1. A plurality of first annular grooves 5 are provided on the inner bottom wall of the accommodating shell 1. The plurality of first annular grooves 5 are provided in one-to-one correspondence with the plurality of ventilation components. The first annular grooves 5 are arranged around the plurality of ventilation holes 4 on the ventilation components. A first waterproof gasket 6 is fixedly connected in the first annular grooves 5.

[0028] A plurality of cylinders 7 are fixedly connected in the containment shell 1, a baffle 8 is fixedly connected to the output shaft of the cylinder 7, a first annular plate 9 is fixedly connected to the bottom of the baffle 8, the plurality of first annular plates 9 are arranged one by one correspondingly with the plurality of first annular grooves 5 and are slidably connected, a first waterproof gasket 6 is clamped between the first annular plates 9 and the first annular grooves 5, and the bottom of the baffle 8 is in contact with the inner bottom wall of the containment shell 1;

[0029] When performing flight missions in areas with low humidity, the cylinder 7 can be used to drive the first annular plate 9 on the baffle 8 to leave the first annular groove 5, thereby opening the vent 4 to facilitate heat dissipation of the first motor 2 in the housing 1. When performing missions in areas with high humidity or encountering rainy or snowy weather, the cylinder 7 can be used to drive the first annular plate 9 on the baffle 8 to slide into the first annular groove 5, thereby closing the vent 4. A first waterproof gasket 6 is sandwiched between the first annular plate 9 and the first annular groove 5 to prevent external water vapor from entering, reduce the impact of external water vapor on internal equipment, and improve waterproof performance.

[0030] In a further optimized solution, the output shaft of the first motor 2 is provided with a third waterproof gasket 10, and the third waterproof gasket 10 is clamped between the inner top wall of the accommodating shell 1 and the top of the outer cover of the first motor 2;

[0031] By providing the third waterproof gasket 10, the sealing between the accommodating shell 1 and the first motor 2 is improved, and the waterproof performance is improved.

[0032] A further optimized solution is provided, wherein the fuselage comprises a fuselage bottom shell 11, a plurality of accommodating shells 1 are arranged on the outer circumference of the fuselage bottom shell 11, a fuselage top shell 12 is arranged on the top of the fuselage bottom shell 11, a second annular groove 13 is opened on the top of the fuselage bottom shell 11, a second annular plate 14 is fixedly connected to the bottom of the fuselage top shell 12, the second annular plate 14 is slidably connected to the second annular groove 13, a second waterproof gasket 15 is clamped between the second annular plate 14 and the second annular groove 13, and the fuselage top shell 12 and the fuselage bottom shell 11 are detachably connected by a plurality of first bolts 16;

[0033] A flight control board (not shown in the figure) and a battery (not shown in the figure) are arranged in the inner cavity of the fuselage bottom shell 11 and the fuselage top shell 12. The battery is used to supply power to various electrical components, and the operating status of each device is controlled by the flight control board, thereby controlling the operating posture of the drone. The specific details are prior art and will not be described in detail here. When the fuselage bottom shell 11 and the fuselage top shell 12 are installed, the second annular plate 14 is installed in the second annular groove 13, and a second waterproof gasket 15 is sandwiched between the second annular plate 14 and the second annular groove 13 to improve the waterproof performance of the connection.

[0034] According to a further optimized solution, a plurality of first connecting tubes 17 are fixedly connected and communicated with the outer circumference of the fuselage bottom shell 11, and a plurality of second connecting tubes 18 are detachably connected to one end of the first connecting tube 17 away from the fuselage bottom shell 11, and one end of the second connecting tube 18 away from the first connecting tube 17 is fixedly connected and communicated with the containing shell 1;

[0035] A third annular groove 19 is formed at one end of the first connecting tube 17 away from the fuselage bottom shell 11, and the second connecting tube 18 is slidably connected to the third annular groove 19. A fourth waterproof gasket 20 is fixedly connected in the third annular groove 19, and the fourth waterproof gasket 20 is clamped between the third annular groove 19 and the second connecting tube 18. A sleeve 21 is rotatably connected to the outside of the first connecting tube 17, and the inner wall of the sleeve 21 is threadedly connected to the outer wall of the second connecting tube 18.

[0036] A limiting groove 22 is formed on the side wall of the third annular groove 19, and a limiting block 23 is fixedly connected to the outer wall of one end of the second connecting tube 18 close to the first connecting tube 17, and the limiting block 23 is slidably connected to the limiting groove 22;

[0037] The various connecting wires on the flight control board (not shown in the figure) enter the containing shell 1 through the first connecting tube 17 and the second connecting tube 18 and are connected to the first motor 2. When installing the second connecting tube 18, the second connecting tube 18 is slid into the third annular groove 19. At this time, the limit block 23 also slides into the limit groove 22, and then the sleeve 21 is rotated. The sleeve 21 is threadedly connected to the second connecting tube 18. Under the limit of the limit block 23, the second connecting tube 18 slides into the third annular groove 19 and presses the fourth waterproof gasket 20 to improve the waterproof performance of the connection.

[0038] A further optimized solution is provided at the bottom of the fuselage bottom shell 11. The pod includes a middle shell 24. Side shells 25 are provided on both sides of the middle shell 24. The side shells 25 are connected to the fuselage bottom shell 11. Fourth annular grooves 26 are provided on both sides of the middle shell 24. A fifth waterproof gasket 27 is fixedly connected in the fourth annular groove 26. A third annular plate 28 is fixedly connected to one end of the side shell 25 close to the middle shell 24. The third annular plate 28 is slidably connected to the fourth annular groove 26. The fifth waterproof gasket 27 is clamped between the third annular plate 28 and the fourth annular groove 26. The middle shell 24 and the side shell 25 are detachably connected by a plurality of second bolts 29; so that the connection between the middle shell 24 and the side shell 25 has waterproof performance;

[0039] An observation port is provided on the middle outer shell 24, and an infrared and visible light camera can be installed in the pod. The camera end of the camera is against the observation port, and a waterproof ring (not shown in the figure) is clamped between the observation port and the camera end of the camera to prevent external water vapor from entering the interior of the pod through the observation port. In this embodiment, two support plates are fixedly connected to the bottom of the fuselage bottom shell 11, and a rotating shaft is rotatably connected to the support plates. The two rotating shafts are respectively fixed to the side outer shells 25. A cavity is provided in one of the support plates, and a driving motor (not shown in the figure) is fixed in the cavity. The output shaft of the driving motor is fixedly connected to the rotating shaft, so that the pod can be driven to rotate and the pitch angle of shooting can be changed.

[0040] According to a further optimized solution, two brackets 30 are fixed to the bottom of the fuselage bottom shell 11 .

[0041] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A waterproof drone, characterized by: It comprises a body, a plurality of accommodating shells (1) are arranged on the outer circumference of the body, a first motor (2) is fixedly connected inside the accommodating shell (1), an output shaft of the first motor (2) extends out of the top of the accommodating shell (1) and is fixedly connected to a plurality of blades (3); A gap is provided between the bottom of the first motor (2) and the bottom of the accommodating shell (1); a plurality of ventilation components are provided at the bottom of the accommodating shell (1); the ventilation components include a plurality of ventilation holes (4) provided at the bottom of the accommodating shell (1); a plurality of first annular grooves (5) are provided on the inner bottom wall of the accommodating shell (1); the plurality of first annular grooves (5) are provided in a one-to-one correspondence with the plurality of ventilation components; the first annular grooves (5) are arranged around the plurality of ventilation holes (4) on the ventilation component; a first waterproof gasket (6) is fixedly connected in the first annular groove (5); A plurality of cylinders (7) are fixedly connected in the accommodating shell (1), a baffle (8) is fixedly connected to the output shaft of the cylinder (7), a first annular plate (9) is fixedly connected to the bottom of the baffle (8), a plurality of the first annular plates (9) are arranged in one-to-one correspondence with a plurality of the first annular grooves (5) and are slidably connected, and the first waterproof gasket (6) is clamped between the first annular plate (9) and the first annular groove (5).

2. The waterproof drone according to claim 1, characterized in that: The output shaft sleeve of the first motor (2) is provided with a third waterproof gasket (10), and the third waterproof gasket (10) is clamped between the inner top wall of the accommodating shell (1) and the top of the outer cover of the first motor (2).

3. The waterproof drone according to claim 1, characterized in that: The fuselage body comprises a fuselage bottom shell (11), a plurality of the containing shells (1) are arranged on the outer circumference of the fuselage bottom shell (11), a fuselage top shell (12) is arranged on the top of the fuselage bottom shell (11), a second annular groove (13) is opened on the top of the fuselage bottom shell (11), a second annular plate (14) is fixedly connected to the bottom of the fuselage top shell (12), the second annular plate (14) is slidably connected to the second annular groove (13), a second waterproof gasket (15) is clamped between the second annular plate (14) and the second annular groove (13), and the fuselage top shell (12) and the fuselage bottom shell (11) are detachably connected via a plurality of first bolts (16).

4. The waterproof drone according to claim 3, characterized in that: The outer circumference of the fuselage bottom shell (11) is fixedly connected to and communicated with a plurality of first connecting tubes (17); one end of the first connecting tube (17) away from the fuselage bottom shell (11) is detachably connected to a plurality of second connecting tubes (18); one end of the second connecting tube (18) away from the first connecting tube (17) is fixedly connected to and communicated with the containing shell (1).

5. The waterproof drone according to claim 4, characterized in that: A third annular groove (19) is formed at one end of the first connecting tube (17) away from the fuselage bottom shell (11); the second connecting tube (18) is slidably connected to the third annular groove (19); a fourth waterproof gasket (20) is fixedly connected in the third annular groove (19); the fourth waterproof gasket (20) is clamped between the third annular groove (19) and the second connecting tube (18); a sleeve (21) is rotatably connected to the outside of the first connecting tube (17); the inner wall of the sleeve (21) is threadedly connected to the outer wall of the second connecting tube (18).

6. The waterproof drone according to claim 5, characterized in that: A limiting groove (22) is provided on the side wall of the third annular groove (19); a limiting block (23) is fixedly connected to the outer wall of one end of the second connecting tube (18) close to the first connecting tube (17); and the limiting block (23) is slidably connected to the limiting groove (22).

7. The waterproof drone according to claim 3, characterized in that: A pod is also provided at the bottom of the fuselage bottom shell (11), and the pod includes a middle shell (24), and side shells (25) are respectively provided on both sides of the middle shell (24), and fourth annular grooves (26) are respectively opened on both sides of the middle shell (24), and a fifth waterproof gasket (27) is fixedly connected in the fourth annular groove (26), and a third annular plate (28) is fixedly connected to one end of the side shell (25) close to the middle shell (24), and the third annular plate (28) is slidably connected to the fourth annular groove (26), and the fifth waterproof gasket (27) is clamped between the third annular plate (28) and the fourth annular groove (26), and the middle shell (24) and the side shell (25) are detachably connected by a plurality of second bolts (29).

8. The waterproof drone according to claim 3, characterized in that: Two brackets (30) are fixedly connected to the bottom of the fuselage bottom shell (11).