Underwater unmanned aerial vehicle capable of automatically floating out of control

Abstract

The utility model relates to an out-of-control automatic floating underwater unmanned aerial vehicle, the unmanned aerial vehicle comprises an unmanned aerial vehicle frame, a main body assembly and a driving assembly, the main body assembly is installed in the unmanned aerial vehicle frame, the driving assembly is installed on the main body assembly, the main body assembly comprises a hydrogen cabin, an electromagnetic valve and a floating ball, the floating ball is connected with the hydrogen bin through an electromagnetic valve, and the electromagnetic valve is used for controlling inflation of the floating ball, so that floating of the unmanned aerial vehicle is achieved. The hydrogen bin, the electromagnetic valve and the floating ball are installed in the main body assembly, inflation of the floating ball is controlled through the electromagnetic valve, the hydrogen bin provides an air source, the air source can stably inflate the floating ball, and the expansion speed of the floating ball is kept stable all the time.

Description

Technical Field

[0001] This utility model relates to the field of underwater unmanned aerial vehicle (UAV) technology, and in particular to an uncontrolled automatic buoyancy underwater UAV. Background Technology

[0002] In today's era of rapid technological advancement, underwater drones, as an important device capable of performing various tasks in underwater environments, are gradually emerging in numerous fields. In marine scientific research, underwater drones can be used for seabed topography mapping, marine life observation, and measurement of parameters such as seawater physicochemical properties. The detection capabilities of underwater drones have helped scientists identify areas rich in polymetallic nodules, which contain important metal resources such as copper, nickel, and cobalt, providing important target areas for future deep-sea mining.

[0003] However, underwater drones face numerous complex and severe challenges in actual operation. On the one hand, the complexity of the underwater environment poses significant difficulties for the stable operation of drones. Underwater currents are unpredictable, and existing underwater drones often cannot meet the power output requirements to combat strong currents. Furthermore, underwater communication suffers from severe signal attenuation, low transmission rates, and susceptibility to interference. If a drone loses control underwater, it may be unable to be safely recovered. To address these issues, we propose an automatic buoyancy structure for underwater exploration drones in case of loss of control.

[0004] However, in marine environments, mechanical water pressure sensors are susceptible to ocean current disturbances, and their fixed depth thresholds cause them to fail in shallow water. Furthermore, the time from triggering to full inflation of the airbag is 12-15 seconds, far exceeding the industry standard of 1 second; during this delay, the device may continue to sink. This invention addresses the specific needs of underwater unmanned submersibles, aiming to solve the problem of unmanned aerial vehicles (UAVs) losing control underwater due to severe signal attenuation, low transmission rates, and susceptibility to interference, potentially making safe recovery impossible.

[0005] Utility model patent CN217146323U discloses an incubation-type sinking bladder anchoring and buoyancy device, relating to the field of buoyancy device technology. It includes an air bladder and a sealed bottom plate. One end of the air bladder is fixedly connected to a connecting plate, and a connecting rope is fixedly connected to the outer surface of the connecting plate. One end of the connecting rope is fixedly connected to a counterweight buoyancy device, and an anchoring device is fixedly connected to the outer surface of the counterweight buoyancy device. This utility model utilizes the cooperation of a reaction tank, a support, a solution cylinder, a piston, an electromagnetic control valve, and potassium bicarbonate crystal balls. First, the counterweight buoyancy device drives the air bladder to sink to the bottom. When it needs to be pulled out of the water after retrieval, an external controller opens the electromagnetic control valve, allowing the dilute sulfuric acid solution inside the solution cylinder to flow into the reaction tank. This solution reacts chemically with the potassium bicarbonate crystal balls placed inside the reaction tank, generating a large amount of gas. This causes the air bladder to expand, generating buoyancy that rapidly lifts the counterweight buoyancy device. Although this patent also uses gas generation to inflate the air bladder for buoyancy, the stability of the gas generated by the chemical reaction is not high.

[0006] Therefore, providing a drone with stable gas release is an urgent problem to be solved. Utility Model Content

[0007] The purpose of this invention is to overcome the defects of the existing technology and provide an uncontrolled automatic buoyancy underwater drone.

[0008] The objective of this utility model can be achieved through the following technical solutions:

[0009] According to one aspect of the present invention, an uncontrolled automatic buoyancy underwater drone is provided. The drone includes a drone frame, a main body component, and a drive component. The main body component is installed in the drone frame, and the drive component is installed on the main body component. The main body component includes a hydrogen tank, a solenoid valve, and a buoy. The buoy is connected to the hydrogen tank through the solenoid valve, and the solenoid valve is used to control the inflation of the buoy, thereby realizing the buoyancy of the drone.

[0010] As a preferred technical solution, the main component also includes a drone fuselage, a vent pipe, a limiting baffle, and a fixing ring. The floating ball, vent pipe, solenoid valve, and hydrogen tank are connected in sequence. The fixing ring is installed on the vent pipe. The floating ball is installed on the drone fuselage through the limiting baffle. The hydrogen tank is installed on the drone fuselage.

[0011] As a preferred technical solution, the main component also includes a sonar module, which is mounted on the fuselage of the UAV.

[0012] As a preferred technical solution, the main component also includes a snap-fit ​​plate, which is connected to the drone frame and the drone fuselage respectively.

[0013] As a preferred technical solution, the drone also includes a connecting cable, which is installed on the drone body.

[0014] As a preferred technical solution, the drone also includes a start button, a groove, and a handle. The start button and the groove are both installed on the drone body, and the handle is installed in the groove.

[0015] As a preferred technical solution, the drive assembly includes a connector, a rotating motor, a power frame, and turbine blades. The power frame is connected to the rotating motor via the connector, the rotating motor is mounted on the main body assembly, and the turbine blades are mounted on the power frame.

[0016] As a preferred technical solution, the drone also includes a protective net, which is installed on the power frame.

[0017] As a preferred technical solution, the drone also includes a shielding ring, and the power frame is connected to the shielding ring and the connector.

[0018] As a preferred technical solution, the drone also includes a support foot, which is mounted on the drone frame.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. This utility model incorporates a hydrogen chamber, a solenoid valve, and a floating ball in its main components. The solenoid valve controls the inflation of the floating ball, while the hydrogen chamber provides the gas source, ensuring a stable inflation rate for the floating ball.

[0021] 2. The solenoid valve and the float ball of this utility model are symmetrically arranged. When the float ball expands, it will generate buoyancy on both sides of the drone, making the force on the drone more even and preventing it from tipping over, thus ensuring the safety of the drone during the ascent process.

[0022] 3. This utility model is equipped with a limiting baffle. The floating ball is installed in the limiting baffle in a snap-fit ​​manner. When the floating ball is inflated, it can be released from the limiting baffle in time and appear in the water, so as to facilitate the generation of buoyancy.

[0023] 4. This utility model is equipped with a snap-fit ​​plate. After the main body component and the drone frame are installed in place, the snap-fit ​​plate connects the main body component and the drone frame together, making the overall strength of the drone higher. Attached Figure Description

[0024] Figure 1 This is a first-view schematic diagram of the overall structure of this utility model;

[0025] Figure 2This is a schematic diagram of the overall structure of the present invention from a second perspective;

[0026] Figure 3 This is a schematic diagram of the overall structure of the present invention from a third-person perspective;

[0027] Figure 4 This is a schematic diagram of the structure of the floating ball and hydrogen chamber of this utility model;

[0028] Figure 5 This is an exploded view of the overall structure of this utility model;

[0029] Figure 6 This utility model Figure 5 A magnified view of a section at point A in the middle;

[0030] 1. UAV frame; 2. Main components; 201. UAV fuselage; 202. Hydrogen tank; 203. Vent pipe; 204. Solenoid valve; 205. Floating ball; 206. Limiting baffle; 207. Fixing ring; 208. Sonar module; 209. Connecting plate; 3. Drive assembly; 301. Connector; 302. Rotary motor; 303. Power frame; 304. Turbine blades; 4. Protective net; 5. Shielding ring; 6. Support feet; 7. Camera module; 8. Connecting cable; 9. Start button; 10. Groove; 11. Handle. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present utility model.

[0032] Example 1

[0033] like Figures 1-6 As shown, an uncontrolled automatic buoyancy underwater drone includes a drone frame 1, a main body component 2, and a drive component 3. The main body component 2 is installed in the drone frame 1, and the drive component 3 is installed on the main body component 2. The main body component 2 includes a hydrogen tank 202, a solenoid valve 204, and a buoyancy ball 205. The buoyancy ball 205 is connected to the hydrogen tank 202 through the solenoid valve 204. The solenoid valve 204 is used to control the inflation of the buoyancy ball 205, thereby realizing the buoyancy of the drone.

[0034] The main component 2 also includes a drone fuselage 201, a vent pipe 203, a limiting baffle 206, and a fixing ring 207. The floating ball 205, the vent pipe 203, the solenoid valve 204, and the hydrogen tank 202 are connected in sequence. The fixing ring 207 is installed on the vent pipe 203. The floating ball 205 is installed on the drone fuselage 201 through the limiting baffle 206. The hydrogen tank 202 is installed on the drone fuselage 201.

[0035] The main component 2 also includes a sonar module 208, which is mounted on the fuselage 201 of the UAV.

[0036] The main component 2 also includes a snap-fit ​​plate 209, which is connected to the drone frame 1 and the drone fuselage 201 respectively.

[0037] This utility model provides a technical solution: it includes a drone frame 1, a main body component 2 is arranged inside the drone frame 1, a drive component 3 is arranged inside the drone frame 1, the main body component 2 includes a drone fuselage 201, the drone fuselage 201 is installed inside the drone frame 1, a hydrogen tank 202 is fixedly connected to the top of the drone fuselage 201, a vent pipe 203 is installed on one side of the hydrogen tank 202, a solenoid valve 204 is arranged on one side of the vent pipe 203, a floating ball 205 is fixedly connected to the other end of the vent pipe 203, a limit baffle 206 is snapped onto the side surface of the floating ball 205, a fixing ring 207 is fixedly connected inside the limit baffle 206, one end of the vent pipe 203 passes through the fixing ring 207 and extends to the other side of the fixing ring 207, and a sonar module 208 is installed at the bottom of the drone fuselage 201.

[0038] In this embodiment, the main component 2 also includes a snap-fit ​​plate 209, which is fixedly connected to one side of the drone fuselage 201. By installing the main component 2, a small hydrogen tank can be installed in the hydrogen tank 202 set on the top of the drone fuselage 201. The outlet of the hydrogen tank is connected to the vent pipe 203. After the power to the drone fuselage 201 is cut off, the pressure of the solenoid valve 204 will be lost and it will open, allowing the hydrogen in the hydrogen tank to enter the floating ball 205. After the floating ball 205 expands, it will squeeze out the limiting baffle 206, thereby suspending the drone on both sides of the top of the drone fuselage 201 through the vent pipe 203, and bringing the drone from underwater to the surface to float by buoyancy.

[0039] The drone also includes a connecting line 8, which is installed on the drone fuselage 201.

[0040] The drone also includes a start button 9, a groove 10, and a handle 11. The start button 9 and the groove 10 are both installed on the drone body 201, and the handle 11 is installed in the groove 10.

[0041] The drive assembly 3 includes a connector 301, a rotating motor 302, a power frame 303, and a turbine blade 304. The power frame 303 is connected to the rotating motor 302 via the connector 301. The rotating motor 302 is mounted on the main body assembly 2, and the turbine blade 304 is mounted in the power frame 303.

[0042] The drone also includes a protective net 4, which is mounted on the power frame 303.

[0043] The drone also includes a shielding ring 5, and the power frame 303 is connected to the connector 301 via the shielding ring 5.

[0044] The drone also includes a support foot 6, which is mounted on the drone frame 1.

[0045] In this embodiment, the drive assembly 3 includes a connector 301, which is installed inside the drone frame 1. A rotary motor 302 is installed on one side of the connector 301, and the transmission end of the rotary motor 302 extends through the connector 301 to the outside of the connector 301. The drive assembly 3 also includes a power frame 303, which is installed on the transmission end of the rotary motor 302. A turbine fan blade 304 is provided inside the power frame 303. By installing the drive assembly 3, the connector 301 can connect the upper and lower parts of the drone frame 1, and the rotary motor 302 inside the connector 301 can be electrically connected to the drone body 201. In this way, the rotation of the rotary motor 302 can be controlled to flip the power frame 303, which, together with the turbine fan blade 304 inside, enables the drone to move and change direction underwater. The power frame 303 also has a motor inside, whose output shaft is connected to the turbine fan 304. The rotation of the output shaft drives the turbine fan 304 to rotate, pushing the water flow to generate thrust.

[0046] A protective net 4 is installed on the top of the power frame 303, a shielding ring 5 is provided on one side of the power frame 303, a support foot 6 is installed on the bottom of the drone frame 1, and a camera module 7 is provided on one side of the drone fuselage 201.

[0047] A connecting cable 8 is installed on one side of the drone body 201, a start button 9 is set on the top of the drone body 201, and a groove 10 is opened on the top of the drone body 201. A handle 11 is fixedly connected inside the groove 10.

[0048] The automatic buoyancy recovery mechanism for this underwater drone operates as follows:

[0049] First, by installing the main component 2, a small hydrogen tank is installed in the hydrogen chamber 202 located on the top of the drone fuselage 201. The outlet of the hydrogen tank is connected to the vent pipe 203. After the power to the drone fuselage 201 is cut off, the solenoid valve 204 will open when the pressure disappears, allowing the hydrogen in the hydrogen tank to enter the buoy 205. After the buoy 205 expands, it will squeeze out the limiting baffle 206, thus suspending the drone on both sides of the top of the drone fuselage 201 through the vent pipe 203. The buoyancy will bring the drone from underwater to the surface. Next, by installing the drive component 3, the connector 301 can connect the upper and lower parts of the drone frame 1. The rotating motor 302 inside the connector 301 can be electrically connected to the drone fuselage 201. In this way, the rotation of the rotating motor 302 can be controlled to flip the power frame 303. With the help of the turbine blades 304 inside, the drone can move and change direction underwater.

[0050] In this invention, by installing the main component 2, a small hydrogen tank can be installed in the hydrogen chamber 202 located on the top of the drone fuselage 201. The outlet of the hydrogen tank is connected to the vent pipe. After the power to the drone fuselage 201 is cut off, the pressure of the solenoid valve 204 disappears and it opens, allowing the hydrogen in the hydrogen tank to enter the buoy 205. After the buoy 205 expands, it will squeeze out the limiting baffle 206, thereby suspending the drone on both sides of the top of the drone fuselage 201 through the vent pipe. The buoyancy will bring the drone from underwater to the surface and make it float, thus facilitating the safe recovery of the drone.

[0051] In this utility model, by installing the drive component 3, the upper and lower parts of the drone frame 1 can be connected by the connector 301, and the rotating motor 302 inside the connector 301 can be electrically connected to the drone body 201. In this way, the rotation of the rotating motor can be controlled to flip the power frame 303, and in conjunction with the turbine fan blades 304 inside, the drone can move and change direction underwater, thereby improving its practicality.

[0052] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A runaway automatic buoyancy underwater drone, characterized in that, The drone includes a drone frame (1), a main body component (2), and a drive component (3). The main body component (2) is installed in the drone frame (1), and the drive component (3) is installed on the main body component (2). The main body component (2) includes a hydrogen tank (202), a solenoid valve (204), and a floating ball (205). The floating ball (205) is connected to the hydrogen tank (202) through the solenoid valve (204). The solenoid valve (204) is used to control the inflation of the floating ball (205), thereby enabling the drone to take off and float.

2. The uncontrolled automatic buoyancy underwater drone according to claim 1, characterized in that, The main component (2) also includes a drone fuselage (201), a vent pipe (203), a limiting baffle (206), and a fixing ring (207). The floating ball (205), the vent pipe (203), the solenoid valve (204), and the hydrogen tank (202) are connected in sequence. The fixing ring (207) is installed on the vent pipe (203). The floating ball (205) is installed on the drone fuselage (201) through the limiting baffle (206). The hydrogen tank (202) is installed on the drone fuselage (201).

3. The uncontrolled automatic buoyancy underwater drone according to claim 2, characterized in that, The main component (2) also includes a sonar module (208), which is mounted on the fuselage (201) of the UAV.

4. The uncontrolled automatic buoyancy underwater drone according to claim 2, characterized in that, The main component (2) also includes a snap-fit ​​plate (209), which is connected to the drone frame (1) and the drone fuselage (201) respectively.

5. The uncontrolled automatic buoyancy underwater drone according to claim 2, characterized in that, The drone also includes a connecting line (8), which is mounted on the drone fuselage (201).

6. The uncontrolled automatic buoyancy underwater drone according to claim 2, characterized in that, The drone also includes a start button (9), a groove (10) and a handle (11). The start button (9) and the groove (10) are both installed on the drone body (201), and the handle (11) is installed in the groove (10).

7. The uncontrolled automatic buoyancy underwater drone according to claim 1, characterized in that, The drive assembly (3) includes a connector (301), a rotating motor (302), a power frame (303), and a turbine blade (304). The power frame (303) is connected to the rotating motor (302) via the connector (301). The rotating motor (302) is mounted on the main body assembly (2), and the turbine blade (304) is mounted in the power frame (303).

8. The uncontrolled automatic buoyancy underwater drone according to claim 7, characterized in that, The drone also includes a protective net (4), which is mounted on the power frame (303).

9. The uncontrolled automatic buoyancy underwater drone according to claim 7, characterized in that, The drone also includes a shielding ring (5), and the power frame (303) is connected to the shielding ring (5) and the connector (301).

10. The uncontrolled automatic buoyancy underwater drone according to claim 1, characterized in that, The drone also includes a support foot (6), which is mounted on the drone frame (1).

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