Aerial life buoy for water rescue

Abstract

This invention provides a flying lifebuoy for water rescue, comprising a ring-shaped shell with four rotors distributed at its four corners. A spool is located at the top center of each rotor, and an airborne camera is located at the front end of the shell. Above the airborne camera, a launcher is embedded within the shell structure, containing a pair of counterweight shafts connected in series with a fishing line. The fishing line is wound along the counterweight shafts, with both ends extending to the rotors on either side and secured to the rotor structure outside the spool. The counterweight shafts are launched by the launcher at the front end, causing the fishing line to unfold. Simultaneously, the kinetic energy of the launched line causes the end of the fishing line to become entangled with the spool on the rotor. Subsequently, by driving the rotor to wind up the fishing line, the lifebuoy can be actively brought closer to the person being rescued. This invention addresses situations where the person being rescued is too tense, exhausted, or unconscious to use the lifebuoy independently, and has promising development prospects.

Description

Technical Field

[0001] This invention relates to the field of water rescue, specifically to a flying lifebuoy for water rescue. Background Technology

[0002] With the increasing development of waterways and sea areas in my country, people are engaging in more frequent maritime activities, leading to a surge in drowning accidents. Current methods of deploying lifebuoys rely on manual methods, which are difficult to execute accurately. Furthermore, many areas requiring rescue are inaccessible to humans, hindering timely rescue efforts. Helicopters are costly and lack maneuverability. However, with advancements in science and technology, drones, with their advantages of low operating costs, high flight speeds, and short preparation times, are beginning to be used across various industries.

[0003] Chinese patent document CN202010944101.X discloses a lifebuoy capable of navigating on water and flying in the air. It employs a scheme to actively scoop up a person who has fallen into the water and place them into a U-shaped lifebuoy, thereby preventing the person from missing the rescue opportunity due to their inability to actively search for or grab the lifebuoy. However, the active scooping of the person relies on a drive propeller to press the opening of the U-shaped lifebuoy into the water, allowing the U-shaped lifebuoy to be inserted under the person. In actual rescue operations, the precision required for the maneuver is extremely high, and improper operation may cause harm to the person who has fallen into the water.

[0004] Therefore, a new type of flying lifebuoy for water rescue is needed to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a flying lifebuoy for water rescue.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A flying lifebuoy for water rescue includes an annular shell with four rotors distributed at the four corners of the shell. A spool is located at the top center of the rotors. An airborne camera is located at the front end of the shell. Above the airborne camera, a launcher is embedded in the shell structure. A pair of counterweight shafts are filled in the launcher. The counterweight shafts are connected in series with a fishing line. The fishing line is wound along the counterweight shafts, and both ends extend to the rotors on both sides and are fixed to the rotor structure outside the spool with clips.

[0008] As a further aspect of the present invention: the projectile is set at a 35° elevation angle to the shell, and the edge is smoothly transitioned to the shell structure.

[0009] As a further aspect of the present invention: the projectile includes a housing, a firing device and a push rod. The housing and the shell are integrally formed, with openings at the front end and both sides. The firing device is embedded at the end of the housing, and a horizontal push rod is fixedly connected to the front end of the firing device.

[0010] As a further aspect of the present invention: the upper and lower inner walls of the outer shell are both recessed with open guide grooves arranged in a figure-eight shape, and the counterweight shaft structure is filled into the guide groove structure.

[0011] As a further embodiment of the present invention: the rotor includes a protective ring, a wire clamping plate, a drive motor, and blades. The protective ring is a circular mesh structure fixedly connected to the shell, with a drive motor fixed in the center. The drive motor is a dual-axis motor, with blades connected to one end and the other end protruding from the top of the protective ring and connected to a winding spool. The winding spool is an I-shaped spool with a protruding comb structure on the circumference of the winding position in the middle. The top surface of the protective ring is surrounded by wire clamping plates with notches along the outer side of the winding spool. The ends of the fishing line are sequentially snapped and fixed in the notches of the wire clamping plates and wound around the outer side of the winding spool.

[0012] As a further aspect of the present invention: the notches of the first two clamping plates of the fishing line buckle are set facing the front side of the shell, that is, the launching direction of the counterweight shaft, and the notch of the last clamping plate of the fishing line buckle is set facing the front side of the shell, that is, the opposite direction to the launching direction of the counterweight shaft, and the release direction is the tangential direction of the reel.

[0013] As a further aspect of the present invention: the toothed comb structure on the circumference of the spool is bent toward the winding direction of the spool, and the end of the fishing rope is constrained by a knotting or wrapping component.

[0014] As a further aspect of the present invention: the counterweight shaft includes a shaft body and transmission teeth. The shaft body is provided with a transmission tooth structure. When the counterweight shaft is embedded in the projectile, the transmission teeth of the two counterweight shafts mesh with each other, and the top of the projectile shell is concave, exposing the transmission tooth structure of the counterweight shaft.

[0015] As a further aspect of the present invention: the connection between the fishing line and the counterweight shaft is embedded in the circumferential surface of the counterweight shaft, and both ends are extended out at the same position along the circumferential surface.

[0016] As a further aspect of the present invention: the overall density of the counterweight shaft is less than that of water, and the density of the fishing line is greater than that of water.

[0017] Beneficial effects

[0018] 1. This invention includes a projectile embedded within a shell structure, containing a pair of counterweight shafts connected in series with a fishing line. The fishing line is wound along the counterweight shafts, with both ends extending to the rotors on either side and secured to the rotor structure outside the spool. The projectile launches the counterweight shafts, causing the fishing line to unfold. Simultaneously, the kinetic energy from the launch causes the end of the fishing line to become entangled with the spool on the rotor. Subsequently, by driving the rotor to wind up the fishing line, the lifebuoy can be actively brought closer to the person being rescued, thus resolving situations where the person being rescued is too tense, exhausted, or unconscious to use the lifebuoy independently.

[0019] 2. The rotor of this invention includes a protective ring, a wire clamping plate, a drive motor, and blades. The protective ring is a circular mesh structure fixedly connected to the shell, with a drive motor fixed in the center. The drive motor is a dual-shaft motor, with one end connected to a composite carbon fiber blade, and the other end extending from the top of the protective ring to connect to a winding spool. The winding spool is an I-shaped spool with a protruding comb structure on the circumference of the winding position in the middle. The top surface of the protective ring is surrounded by wire clamping plates with notches along the outer side of the winding spool. The ends of the fishing line are sequentially clamped and fixed in the notches of the wire clamping plates and wound around the winding spool. On the outside of the spool, the propeller drive is used as the drive source for the winding shaft by setting up a dual-axis motor, which improves the utilization rate of the drive motor and avoids the setting of additional structures. The fishing line is fixed by the clamping plate structure on the outside of the winding spool, which realizes the fixation of the fishing line during the initial flight phase. After arriving at the rescue location, the fishing line is launched by the launcher to the counterweight shaft, which drives the fishing line to unfold. At the same time, the end clamping is released, and the toothed comb on the periphery of the winding spool captures and fixes the end of the fishing line, thus fixing the winding end.

[0020] 3. In this invention, the notches of the first two clamping plates for securing the fishing line face the front side of the shell, i.e., the direction of the counterweight shaft's projection. The notch of the last clamping plate for securing the fishing line faces the front side of the shell, i.e., the direction opposite to the projection direction of the counterweight shaft. Simultaneously, the release direction is tangential to the winding shaft. The notches of the first two clamping plates facing the projection direction allow the fishing line to quickly separate from the clamping plates during projection, enabling the fishing line to approach the winding shaft. Combined with the final clamping plate securing the end of the fishing line, the fishing line is wound around the winding shaft, completing the securing process. Furthermore, the final clamping plate's tangential orientation ensures that when the winding shaft rotates and pulls on the end of the fishing line, the end of the fishing line can promptly separate from the clamping plate. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the fishing cable deployed according to the present invention.

[0023] Figure 3 This is a schematic diagram of the fishing rope winding of the present invention.

[0024] Figure 4 This is a schematic diagram of the projectile structure of the present invention.

[0025] Figure 5 This is a schematic diagram of the counterweight shaft structure of the present invention.

[0026] Figure 6 This is a schematic diagram of the installation of the fishing cable according to the present invention.

[0027] Figure 7This is a schematic diagram of the rotor structure of the present invention.

[0028] Figure 8 For the present invention Figure 7 A magnified schematic diagram of the structure at point A.

[0029] Figure 9 This is a schematic diagram of the winding bobbin structure of the present invention.

[0030] Figure 1-9 In the middle: 1. Shell; 2. Rotor; 21. Protective ring; 22. Cable clamp; 23. Drive motor; 24. Blade; 3. Reel; 4. Comb; 5. Airborne camera; 6. Launcher; 61. Outer shell; 62. Activator; 63. Push rod; 7. Counterweight shaft; 71. Shaft; 72. Transmission gear; 8. Fishing line. Detailed Implementation

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

[0032] Please see Figures 1-9 , Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the fishing line deployed according to the present invention; Figure 3 This is a schematic diagram of the fishing rope winding of the present invention; Figure 4 This is a schematic diagram of the projectile structure of the present invention; Figure 5 This is a schematic diagram of the counterweight shaft structure of the present invention; Figure 6 This is a schematic diagram of the fishing cable installation according to the present invention; Figure 7 This is a schematic diagram of the rotor structure of the present invention; Figure 8 For the present invention Figure 7 Enlarged schematic diagram of the structure at point A; Figure 9 This is a schematic diagram of the winding bobbin structure of the present invention.

[0033] This embodiment provides a flying lifebuoy for water rescue, comprising an annular shell 1, the shell 1 being made of high-density polyethylene (HDPE) + carbon fiber material, the shell 1 having a built-in horn that does not protrude from the surface, four rotors 2 distributed at the four corners of the shell 1, a spool 3 being provided at the top center of the rotors 2, a single-axis or multi-axis gimbal-mounted camera 5 with a single-axis movement range of ±90° being provided at the front end of the shell 1, a launcher 6 being embedded in the structure of the shell 1 above the airborne camera 5, a pair of counterweight shafts 7 being filled in the launcher 6, the counterweight shafts 7 being connected in series to a fishing line 8, the fishing line 8 being wound along the counterweight shafts 7, and the two ends extending to the rotors 2 on both sides, and being fastened to the rotor 2 structure outside the spool 3 with buckles; the bottom of the shell 1 has a reserved interface for mounting an underwater propulsion device;

[0034] The counterweight shaft 7 is launched by the launcher 6 at the front end, which drives the fishing line 8 to unfold. At the same time, the kinetic energy of the launch causes the end of the fishing line 8 to become entangled with the winding shaft 3 on the rotor 2. Then, by driving the rotor 2 to wind up the fishing line 8, the lifebuoy can be actively brought closer to the rescued person, solving the situation where the rescued person is unable to use the lifebuoy on their own due to tension, exhaustion, or unconsciousness.

[0035] The projectile 6 is set at a 35° elevation angle to the shell 1. By increasing the projectile angle, the projectile is not affected by the people being rescued in front, and the negative angle fluctuation caused by the water waves is also avoided. The edge of the projectile 6 is smoothly connected to the shell 1, thus avoiding scratching the people being rescued.

[0036] The projectile 6 includes a housing 61, a firing device 62, and a push rod 63. The housing 61 is integrally formed with the housing 1 and has openings at the front end and both sides. The firing device 62 is embedded at the end of the housing 61. The front end of the firing device 62 is fixedly connected to the horizontal push rod 63. The firing device 62 fires the push rod 63 through electromagnetic, air pressure, elastic energy storage, and other means.

[0037] Specifically, the upper and lower inner walls of the outer shell 61 are recessed with open guide grooves arranged in a figure-eight pattern, and the counterweight shaft 7 structure is filled into the guide groove structure.

[0038] The counterweight shaft 7 is guided by a figure-eight shaped guide groove, which expands to both sides while moving forward, so that the fishing line 8 is fully deployed.

[0039] The rotor 2 includes a protective ring 21, a wire clamping plate 22, a drive motor 23, and blades 24. The protective ring 21 is a circular mesh structure fixedly connected to the shell 1. The drive motor 23 is fixed in the center. The drive motor 23 is a dual-shaft motor. One end is connected to the composite carbon fiber blades 24, and the other end protrudes from the top of the protective ring 21 and is connected to the winding spool 3. The winding spool 3 is an I-shaped spool. The circumference of the winding position in the middle has a protruding comb 4 structure. The top surface of the protective ring 21 is surrounded by a wire clamping plate 22 with a notch on the outside of the winding spool 3. The ends of the fishing line 8 are successively clamped and fixed in the notch of the wire clamping plate 22 and wound around the outside of the winding spool 3.

[0040] By using the dual-axis motor to drive the propeller 24 as the drive source for the reel, the utilization rate of the drive motor 23 is improved, and the setting of additional structures is avoided. The fishing line 8 is secured by the clamping plate 22 on the outside of the reel 3, which achieves the fixation of the fishing line 8 during the initial flight phase. After arriving at the rescue location, the launcher 6 launches the counterweight shaft 7 to drive the fishing line 8 to unfold. At the same time, the end clamp is released, and the toothed comb 4 on the circumference of the reel 3 captures and fixes the end of the fishing line 8, thus fixing the reel end.

[0041] Specifically, the notches of the first two clamping plates 22 of the fishing line 8 are facing the front side of the shell 1, that is, the direction of the launching of the counterweight shaft 7. The notch of the last clamping plate 22 of the fishing line 8 is facing the front side of the shell 1, that is, the direction opposite to the launching of the counterweight shaft 7. At the same time, the release direction is the tangential direction of the winding shaft 3.

[0042] The notches of the first two line clamping plates 22 face the launching direction, allowing the fishing line 8 to quickly separate from the line clamping plates 22 during launching, thus enabling the fishing line 8 to approach the reel. In conjunction with the final line clamping plate 22 fixing the end of the fishing line 8, the fishing line 8 is wound around the reel and secured. The final line clamping plate 22 is positioned along the tangent of the reel, ensuring that when the reel rotates and pulls on the end of the fishing line 8, the end of the fishing line 8 can promptly separate from the line clamping plate 22.

[0043] Specifically, the toothed comb 4 structure on the circumference of the winding spool 3 is bent towards the winding direction of the winding spool 3, thereby increasing the ability of the toothed comb 4 to capture the end of the fishing line 8. The end of the fishing line 8 forms a limiting structure by knotting or wrapping components, thereby improving the gripping ability of the toothed comb 4 on the end of the fishing line 8 by the mutual limiting structure and toothed comb 4 after being captured by the toothed comb 4, and preventing it from falling off due to resistance during winding.

[0044] The counterweight shaft 7 includes a shaft body 71 and a transmission gear 72. The shaft body 71 is provided with a transmission gear 72 structure. When the counterweight shaft 7 is embedded into the projectile 6, the transmission gears 72 of the two counterweight shafts 7 mesh with each other, and the top of the outer shell 61 of the projectile 6 is concave, exposing the transmission gear 72 structure of the counterweight shaft 7.

[0045] With the transmission teeth 72 on the shaft 71, after the counterweight shaft 7 is embedded, the exposed transmission teeth 72 can rotate the counterweight shaft 7 to wind up the fishing line 8. At the same time, since the two transmission teeth 72 mesh with each other after the counterweight shaft 7 is embedded, the two counterweight shafts 7 rotate in opposite directions when the launcher 6 launches the counterweight shaft 7. The kinetic energy distribution is also more balanced, which can improve the synchronicity of the landing points of the two counterweight shafts 7 and ensure the stability of the fishing range after the fishing line 8 is deployed.

[0046] The connection between the fishing line 8 and the counterweight shaft 7 is embedded in the circumference of the counterweight shaft 7, and both ends are led out at the same position along the circumference. This makes it easier for the two ends of the fishing line 8 to come together and run parallel when winding, reducing the possibility of mutual interference when winding separately and launching, and improving the stability of the launch.

[0047] The counterweight shaft 7 has a density less than that of water, while the fishing line 8 has a density greater than that of water. This allows the fishing line 8 to sink below the water surface under gravity after the counterweight shaft 7 is thrown out. Using the counterweight shaft 7 as a buoy, the fishing line 8 avoids the arms of the person being rescued, which are most likely to struggle, and catches the person from the waist and abdomen, thus avoiding injury and reducing the probability of the line falling off after being caught.

[0048] When implementing the technical solution described in this embodiment, before the rescue, check whether the appearance and structure of the lifebuoy and the details of screws, nuts, blades 24, etc. are loose or damaged, including ground equipment such as remote controllers. At the same time, check whether the power of the lifebuoy, ground remote controllers, etc. is sufficient. After confirming that the power is sufficient, select an open space and avoid interference from objects such as power lines. Secure the tail end of the fishing line 8 to the cable clamp 22 of the rotor 2. The counterweight shaft 7 on the fishing line 8 is loaded into the launcher 6. The excess fishing line 8 is wound up by rotating the transmission gear 72. After loading, proceed to the rescue location.

[0049] Upon arrival at the rescue location, the onboard camera 5 confirms the exact position facing the person being rescued before landing. Once the lifebuoy is stable, the launcher 6 launches the counterweight shaft 7, unfolding the fishing line 8 and encircling the person being rescued within its range. Simultaneously, the kinetic energy from the launch causes the end of the fishing line 8 to become entangled with the winding shaft 3 on the rotor 2. Subsequently, by driving the rotor 2 to wind up the fishing line 8, the lifebuoy can be actively brought closer to the person being rescued, thus resolving situations where the person being rescued is too tense, exhausted, or unconscious to use the lifebuoy independently.

[0050] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flight rescue lifebuoy for water rescue, characterized in that, include: The shell (1) is ring-shaped with four rotors (2) distributed at the four corners. An airborne camera (5) is installed at the front end of the shell (1). The projectile (6) is located above the airborne camera (5) and is embedded in the structure of the housing (1). The projectile (6) contains a pair of counterweight shafts (7). The counterweight shafts (7) are connected in series on a fishing line (8). The fishing line (8) is wound up along the counterweight shafts (7). The top center of the rotor (2) is provided with a spool (3) that is linked to the rotor (2). The two ends of the fishing line (8) extend to the rotor (2) on both sides and are fixed to the rotor (2) structure on the outside of the spool (3).

2. The flying lifebuoy for water rescue according to claim 1, characterized in that: The projectile (6) is set at a 35° elevation angle to the shell (1), and its edge is smoothly transitioned to the structure of the shell (1).

3. The flying lifebuoy for water rescue according to claim 1, characterized in that: The projectile (6) includes a housing (61), a firing device (62) and a push rod (63). The housing (61) is integrally formed with the housing (1), with openings at the front end and both sides. The firing device (62) is embedded at the end of the housing (61), and a horizontal push rod (63) is fixedly connected to the front end of the firing device (62).

4. The flying lifebuoy for water rescue according to claim 3, characterized in that: The upper and lower inner walls of the outer shell (61) are recessed with open guide grooves arranged in a figure-eight shape, and the counterweight shaft (7) structure is filled into the guide groove structure.

5. The flying lifebuoy for water rescue according to claim 1, characterized in that: The rotor (2) includes a protective ring (21), a wire clamping plate (22), a drive motor (23), and blades (24). The protective ring (21) is a circular mesh structure fixedly connected to the shell (1). A drive motor (23) is fixed in the center. The drive motor (23) is a dual-shaft motor. One end is connected to the blades (24), and the other end protrudes from the top of the protective ring (21) and connects to the winding shaft (3). The winding shaft (3) is an I-shaped winding shaft. There is a protruding toothed comb (4) structure on the circumference of the winding position in the middle. The top surface of the protective ring (21) is surrounded by a wire clamping plate (22) with a notch on the outside of the winding shaft (3). The end of the fishing line (8) is successively clamped and fixed in the notch of the wire clamping plate (22) and wound around the outside of the winding shaft (3).

6. A flight rescue lifebuoy for water rescue according to claim 5, characterized in that: The notches of the first two clamping plates (22) of the fishing line (8) are set facing the front side of the shell (1), that is, the launching direction of the counterweight shaft (7). The notches of the last clamping plate (22) of the fishing line (8) are set facing the front side of the shell (1), that is, the opposite direction to the launching direction of the counterweight shaft (7). At the same time, the release direction is the tangential direction of the winding shaft (3).

7. A water rescue flying lifebuoy according to claim 5, characterized in that: The toothed comb (4) structure on the circumference of the winding spool (3) is bent toward the winding direction of the winding spool (3), and the end of the fishing line (8) is constrained by a knotting or wrapping component.

8. The flying lifebuoy for water rescue according to claim 1, characterized in that: The counterweight shaft (7) includes a shaft body (71) and a transmission gear (72). The shaft body (71) is provided with a transmission gear (72) structure. When the counterweight shaft (7) is embedded in the projectile (6), the transmission gears (72) of the two counterweight shafts (7) mesh with each other, and the top of the outer shell (61) of the projectile (6) is concave, exposing the transmission gear (72) structure of the counterweight shaft (7).

9. A flight rescue lifebuoy for water rescue according to claim 1, characterized in that: The connection between the fishing line (8) and the counterweight shaft (7) is embedded in the circumference of the counterweight shaft (7), and both ends are extended out at the same position along the circumference.

10. A flight lifebuoy for water rescue according to claim 1, characterized in that: The overall density of the counterweight shaft (7) is less than that of water, while the density of the fishing line (8) is greater than that of water.

Images