Unmanned aerial vehicle aeromagnetic device for water area search and rescue

Abstract

The unmanned aerial vehicle aeromagnetic device comprises an unmanned aerial vehicle body and a water sensor, the middle end of the top of an inner cavity of the unmanned aerial vehicle body is fixedly connected with a fixing cylinder, and an aeromagnetic device body is fixedly installed at the top of an inner cavity of the fixing cylinder. According to the utility model, through the arrangement of the aeromagnetic device body, magnetic anomaly characteristics generated by underwater vehicles can be collected in the flight process of the unmanned aerial vehicle body, so that the effect of detecting and positioning the underwater vehicles in the water search and rescue process is realized; through arrangement of a water sensor, a first motor, an L-shaped rotating rod, a connecting plate, a T-shaped moving rod, a piston, an air guide cylinder, a first one-way valve, a fixed box, a second one-way valve, an air guide pipe and an air bag, the air bag can be effectively inflated when the unmanned aerial vehicle body falls into water, so that the unmanned aerial vehicle body can float on the water surface; and the unmanned aerial vehicle body can be conveniently found and recovered by people when falling into water.

Description

Technical Field

[0001] The utility model relates to the technical field of water search and rescue equipment, in particular to an unmanned aerial vehicle aeromagnetic device used for water search and rescue. Background Art

[0002] The drone aeromagnetic device used for water search and rescue detects and locates underwater vehicles by collecting magnetic anomaly characteristics generated by vehicles. The drone aeromagnetic detection technology has the characteristics of wide search range, fast speed, and high recognition accuracy, providing new means and new models for underwater vehicle search and rescue. At present, the drone aeromagnetic device used for water search and rescue often falls into the water due to malfunctions or human operation during the search and rescue process of the water area, and due to the lack of an effective floating structure, it will sink to the bottom of the water quickly when it falls into the water, which is not convenient for personnel to find and recover it later, thus causing certain economic losses to the personnel. Utility Model Content

[0003] The purpose of the utility model is to provide an unmanned aerial vehicle aeromagnetic device for water search and rescue, which has the advantage of being able to effectively float on the water surface when a malfunction or misoperation causes the victim to fall into the water, thereby facilitating subsequent search and recovery by personnel and reducing economic losses to personnel.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aeromagnetic device for a drone used for water search and rescue, comprising a drone body and a water immersion sensor, a fixed cylinder is fixedly connected to the middle end of the top of the inner cavity of the drone body, an aeromagnetic device body is fixedly installed on the top of the inner cavity of the fixed cylinder, a support frame is fixedly connected between the left end of the top of the outer surface of the fixed cylinder and the upper end of the left side of the inner cavity of the fixed box, a first motor is fixedly installed on the left end of the support frame, an L-shaped rotating rod is fixedly installed on the output end of the first motor, an air guide cylinder is fixedly connected to the middle end of the top of the inner cavity of the fixed box, a piston is movably connected to the right end of the inner cavity of the air guide cylinder, a T-shaped moving rod is fixedly connected to the left side of the piston, a connecting plate is movably connected between the lower end of the left side of the T-shaped moving rod and the right end of the L-shaped rotating rod through a bearing, a first one-way valve is fixedly installed on the upper end of the right side of the air guide cylinder, a second one-way valve is fixedly installed on the lower end of the right side of the air guide cylinder, an air guide tube is fixedly installed on the output end of the second one-way valve, and air bags are fixedly connected between the two ends of the air guide tube and the two sides of the drone body.

[0005] As a preferred solution, the left end of the bottom of the fixed box is fixedly connected to a containing tube, the top of the water immersion sensor is fixedly installed on the top of the inner cavity of the containing tube, and the lower end of the inner cavity of the containing tube is fixedly connected to a protective mesh plate.

[0006] As a preferred solution, a support plate is fixedly connected to the upper end of the right side of the outer surface of the fixed cylinder, a rotating shaft is movably connected between the right end of the support plate and the right end of the bottom of the fixed box through a bearing, a second bevel gear is fixedly installed on the top of the rotating shaft, a protective baffle is fixedly connected to the bottom of the rotating shaft, the top of the protective baffle is movably connected to the right end of the bottom of the outer surface of the fixed box, a second motor is fixedly installed on the right end of the top of the outer surface of the fixed cylinder, a first bevel gear is fixedly installed on the output end of the second motor, and the first bevel gear is meshed with the second bevel gear.

[0007] As a preferred solution, a guide groove is provided at the left end of the top of the inner cavity of the fixed box, and the left end of the top of the T-shaped moving rod is movably connected to the surface of the guide groove.

[0008] As a preferred solution, a rubber ring is fixedly connected to the middle end of the piston, the surface of the rubber ring is movably connected to the right end of the inner cavity of the gas guide cylinder, and a pressure switch is fixedly installed on the right side of the inner cavity of the gas guide cylinder.

[0009] As a preferred solution, a control valve is fixedly installed at the middle end of the air guide pipe through a pipeline, and the back side of the control valve is fixedly installed at the lower end of the front surface of the fixed box through a pipeline.

[0010] As a preferred solution, protective net covers are fixedly connected to the four sides of the drone body, and landing gears are fixedly connected to both ends of the bottom of the drone body.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can collect the magnetic anomaly characteristics generated by the underwater vehicle during the flight of the drone body through the arrangement of the aeromagnetic device body, thereby realizing the effect of detecting and locating the underwater vehicle during the search and rescue in the water area; through the arrangement of the water immersion sensor, the first motor, the L-shaped rotating rod, the connecting plate, the T-shaped moving rod, the piston, the air guide cylinder, the first non-return valve, the fixing box, the second non-return valve, the air guide tube and the air bag, the air bag can be effectively inflated when the drone body falls into the water, so that the drone body can float on the water surface, which is convenient for personnel to find and recover the drone body when it falls into the water, effectively avoiding the drone body from sinking to the bottom of the water, which makes it difficult for personnel to recover, and greatly reduces the loss of personnel.

[0013] The utility model achieves the purpose of accommodating and protecting the water immersion sensor by arranging the accommodating tube and the protective mesh plate, thereby preventing the water immersion sensor from being damaged by collision with objects; and achieves the purpose of supporting the upper end of the rotating shaft by arranging the supporting plate; and by arranging the second motor, the first bevel gear, the second bevel gear, the rotating shaft and the protective baffle plate, when the drone body is landing, the first bevel gear can be driven to rotate under the action of the second motor, and the rotation of the first bevel gear can drive the second bevel gear, the rotating shaft and the protective baffle plate to rotate until the protective baffle plate can be located below the aeromagnetic device body under the action of the rotation, thereby effectively preventing the aeromagnetic device body from being damaged during the landing of the drone body. The guide groove is set to guide the T-shaped moving rod and avoid tilting of the T-shaped moving rod during movement. The rubber ring is set to effectively improve the sealing of the contact between the piston and the air cylinder. The pressure switch is set to disconnect the contacts inside the air cylinder and the airbag when the air pressure reaches the preset value of the pressure switch, so that the first motor stops working, thus effectively avoiding the first motor from continuing to work and causing damage. The control valve is set to facilitate personnel to discharge the air inside the airbag and the air tube back to the inside of the fixed box. The protective mesh cover can effectively protect the surrounding areas of the UAV blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a three-dimensional diagram from another perspective of the present invention;

[0016] Figure 3 This is a front sectional structural diagram of the fixed box of the utility model;

[0017] Figure 4 It is a front sectional structural schematic diagram of the gas guide cylinder of the utility model.

[0018] In the figure: 1. UAV body; 2. airbag; 3. air duct; 4. protective mesh; 5. landing gear; 6. fixing box; 7. control valve; 8. aeromagnetic device body; 9. protective baffle; 10. first motor; 11. support frame; 12. L-shaped rotating rod; 13. connecting plate; 14. guide groove; 15. T-shaped moving rod; 16. air guide cylinder; 17. second motor; 18. first bevel gear; 19. second bevel gear; 20. support plate; 21. rotating shaft; 22. fixing cylinder; 23. protective mesh; 24. water immersion sensor; 25. containing cylinder; 26. rubber ring; 27. second one-way valve; 28. first one-way valve; 29. ​​pressure switch; 30. piston. DETAILED DESCRIPTION

[0019] 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.

[0020] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0021] Example 1: Please refer to Figure 1-Figure 4 As shown, the utility model provides an aeromagnetic device for a drone for water search and rescue, including a drone body 1 and a water immersion sensor 24, a fixed cylinder 22 is fixedly connected to the middle end of the top of the inner cavity of the drone body 1, an aeromagnetic device body 8 is fixedly installed on the top of the inner cavity of the fixed cylinder 22, a support frame 11 is fixedly connected between the left end of the top of the outer surface of the fixed cylinder 22 and the upper end of the left side of the inner cavity of the fixed box 6, a first motor 10 is fixedly installed on the left end of the support frame 11, an L-shaped rotating rod 12 is fixedly installed on the output end of the first motor 10, and the middle end of the top of the inner cavity of the fixed box 6 is fixedly connected to the fixed cylinder 22. An air cylinder 16 is connected, and a piston 30 is movably connected to the right end of the inner cavity of the air cylinder 16, and a T-shaped moving rod 15 is fixedly connected to the left side of the piston 30. A connecting plate 13 is movably connected between the lower end of the left side of the T-shaped moving rod 15 and the right end of the L-shaped rotating rod 12 through a bearing, a first one-way valve 28 is fixedly installed on the upper end of the right side of the air cylinder 16, and a second one-way valve 27 is fixedly installed on the lower end of the right side of the air cylinder 16, and an air pipe 3 is fixedly installed on the output end of the second one-way valve 27, and air bags 2 are fixedly connected between both ends of the air pipe 3 and both sides of the drone body 1.

[0022] In the present technical solution, by setting the aeromagnetic device body 8, the magnetic anomaly characteristics generated by the underwater vehicle can be collected during the flight of the drone body 1, thereby realizing the effect of detecting and locating the underwater vehicle during the search and rescue in the water area. By setting the water immersion sensor 24, the first motor 10, the L-shaped rotating rod 12, the connecting plate 13, the T-shaped moving rod 15, the piston 30, the air guide cylinder 16, the first one-way valve 28, the fixing box 6, the second one-way valve 27, the air guide tube 3 and the airbag 2, the airbag 2 can be effectively inflated when the drone body 1 falls into the water, so that the drone body 1 can float on the water surface, which is convenient for personnel to find and recover when the drone body 1 falls into the water, effectively avoiding the drone body 1 sinking to the bottom of the water and making it difficult to recover personnel, thereby greatly reducing the loss of personnel.

[0023] Embodiment 2: Based on Embodiment 1, the present invention is as follows Figure 1-Figure 4 As shown, it is disclosed that the left end of the bottom of the fixed box 6 is fixedly connected with a accommodating cylinder 25, the top of the water immersion sensor 24 is fixedly installed on the top of the inner cavity of the accommodating cylinder 25, the lower end of the inner cavity of the accommodating cylinder 25 is fixedly connected with a protective mesh plate 23, the upper end of the right side of the outer surface of the fixed cylinder 22 is fixedly connected with a support plate 20, the right end of the support plate 20 and the right end of the bottom of the fixed box 6 are movably connected with a rotating shaft 21 through a bearing, the top of the rotating shaft 21 is fixedly installed with a second bevel gear 19, the bottom of the rotating shaft 21 is fixedly connected with a protective baffle 9, the top of the protective baffle 9 is movably connected to the right end of the bottom of the outer surface of the fixed box 6, the right end of the top of the outer surface of the fixed cylinder 22 is fixedly installed with a second motor 17, and the output end of the second motor 17 A first bevel gear 18 is fixedly installed, and the first bevel gear 18 is meshed with a second bevel gear 19. A guide groove 14 is provided at the left end of the top of the inner cavity of the fixed box 6. The left end of the top of the T-shaped moving rod 15 is movably connected to the surface of the guide groove 14. A rubber ring 26 is fixedly connected to the middle end of the piston 30, and the surface of the rubber ring 26 is movably connected to the right end of the inner cavity of the air guide cylinder 16. A pressure switch 29 is fixedly installed on the right side of the inner cavity of the air guide cylinder 16. A control valve 7 is fixedly installed at the middle end of the air guide pipe 3 through a pipeline, and the back of the control valve 7 is fixedly installed at the lower end of the front surface of the fixed box 6 through a pipeline. Protective net covers 4 are fixedly connected to the four sides of the drone body 1, and landing gears 5 are fixedly connected to both ends of the bottom of the drone body 1.

[0024] In the present technical solution, the purpose of accommodating and protecting the water immersion sensor 24 is achieved by setting the accommodating tube 25 and the protective mesh plate 23, so as to prevent the water immersion sensor 24 from being damaged by collision with objects. The purpose of supporting the upper end of the rotating shaft 21 is achieved by setting the supporting plate 20. By setting the second motor 17, the first bevel gear 18, the second bevel gear 19, the rotating shaft 21 and the protective baffle 9, when the drone body 1 is landing, the first bevel gear 18 can be driven to rotate under the action of the second motor 17. The rotation of the first bevel gear 18 can drive the second bevel gear 19, the rotating shaft 21 and the protective baffle 9 to rotate until the protective baffle 9 can be located below the aeromagnetic device body 8 under the action of the rotation, thereby effectively preventing the aeromagnetic device body 8 from being in the process of landing of the drone body 1. The guide groove 14 is provided to guide the T-shaped moving rod 15, thereby preventing the T-shaped moving rod 15 from tilting during movement. The rubber ring 26 is provided to effectively improve the sealing of the contact between the piston 30 and the air cylinder 16. The pressure switch 29 is provided to disconnect the contacts inside the air cylinder 16 and the air bag 2 when the air pressure inside the air bag 2 reaches the preset value of the pressure switch 29, thereby preventing the first motor 10 from being damaged by continuous operation of the first motor 10. The control valve 7 is provided to facilitate personnel to discharge the air inside the air bag 2 and the air pipe 3 backflow to the inside of the fixed box 6. The protective mesh cover 4 is provided to effectively protect the surroundings of the blades of the drone body 1.

[0025] The working principle of the utility model is: through the setting of the aeromagnetic device body 8, the magnetic anomaly characteristics generated by the underwater vehicle can be collected during the flight of the drone body 1, so as to achieve the effect of detecting and locating the underwater vehicle during the water search and rescue process (it should be noted that the aeromagnetic device body 8 adopts the high-precision rubidium optical pump magnetic sensor imported from the United States, which has high precision, stable performance, short warm-up time (<1min), and light weight (the weight is 1 / 50 of other optical pump systems), acquisition system: GPAM box; attitude correction: 9-axis acceleration gyroscope attitude measurement; memory: 32G (SD card); power consumption: <1W; wireless transmission: 3km; GPS sampling rate: 20Hz), and when the drone body 1 falls into the water due to a malfunction or misoperation of the personnel during the flight, The water immersion sensor 24 can be immersed in water and can control the first motor 10 to work accordingly. The operation of the first motor 10 can drive the L-shaped rotating rod 12 to rotate. When the L-shaped rotating rod 12 rotates, it can drive the T-shaped moving rod 15 and the piston 30 to reciprocate in the left and right directions through the connecting plate 13. When the piston 30 moves, the air inside the fixed box 6 can be extracted through the air guide cylinder 16 and the first one-way valve 28, and at the same time, it is transported to the inside of the airbag 2 through the second one-way valve 27 and the air guide tube 3, so that the volume of the airbag 2 expands and causes the drone body 1 to float on the water surface, so as to facilitate personnel to find and recover the drone body 1 when it falls into the water, effectively avoiding the drone body 1 sinking to the bottom of the water and making it difficult for personnel to recover, thereby greatly reducing the loss of personnel.

[0026] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0027] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An unmanned aerial vehicle aeromagnetic device for water search and rescue, comprising an unmanned aerial vehicle body (1) and a water immersion sensor (24), characterized in that: A fixing cylinder (22) is fixedly connected to the middle end of the top of the inner cavity of the drone body (1), an aeromagnetic device body (8) is fixedly installed on the top of the inner cavity of the fixing cylinder (22), a support frame (11) is fixedly connected between the left end of the top of the outer surface of the fixing cylinder (22) and the upper end of the left side of the inner cavity of the fixing box (6), a first motor (10) is fixedly installed on the left end of the support frame (11), an L-shaped rotating rod (12) is fixedly installed on the output end of the first motor (10), an air guide cylinder (16) is fixedly connected to the middle end of the top of the inner cavity of the fixing box (6), and the right end of the inner cavity of the air guide cylinder (16) is movably connected to the inner cavity of the fixing box (6). A piston (30) is connected, the left side of the piston (30) is fixedly connected to a T-shaped moving rod (15), a connecting plate (13) is movably connected between the lower end of the left side of the T-shaped moving rod (15) and the right end of the L-shaped rotating rod (12) via a bearing, a first one-way valve (28) is fixedly installed at the upper end of the right side of the air guide cylinder (16), a second one-way valve (27) is fixedly installed at the lower end of the right side of the air guide cylinder (16), an air guide tube (3) is fixedly installed at the output end of the second one-way valve (27), and air bags (2) are fixedly connected between the two ends of the air guide tube (3) and the two sides of the drone body (1).

2. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: The left end of the bottom of the fixed box (6) is fixedly connected to a containing tube (25), the top of the water immersion sensor (24) is fixedly mounted on the top of the inner cavity of the containing tube (25), and the lower end of the inner cavity of the containing tube (25) is fixedly connected to a protective mesh plate (23).

3. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: The upper end of the right side of the outer surface of the fixed cylinder (22) is fixedly connected to a support plate (20), and a rotating shaft (21) is movably connected between the right end of the support plate (20) and the right end of the bottom of the fixed box (6) via a bearing. A second bevel gear (19) is fixedly mounted on the top of the rotating shaft (21), and a protective baffle (9) is fixedly connected to the bottom of the rotating shaft (21). The top of the protective baffle (9) is movably connected to the right end of the bottom of the outer surface of the fixed box (6). A second motor (17) is fixedly mounted on the right end of the top of the outer surface of the fixed cylinder (22), and a first bevel gear (18) is fixedly mounted on the output end of the second motor (17), and the first bevel gear (18) is meshed with the second bevel gear (19).

4. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: A guide groove (14) is provided at the left end of the top of the inner cavity of the fixed box (6), and the left end of the top of the T-shaped moving rod (15) is movably connected to the surface of the guide groove (14).

5. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: A rubber ring (26) is fixedly connected to the middle end of the piston (30), and a surface of the rubber ring (26) is movably connected to the right end of the inner cavity of the gas guide cylinder (16). A pressure switch (29) is fixedly installed on the right side of the inner cavity of the gas guide cylinder (16).

6. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: A control valve (7) is fixedly mounted on the middle end of the air guide pipe (3) via a pipeline, and the back side of the control valve (7) is fixedly mounted on the lower end of the front surface of the fixed box (6) via a pipeline.

7. The drone aeromagnetic device for water search and rescue according to claim 1, characterized in that: The drone body (1) is fixedly connected to protective net covers (4) on all sides, and both ends of the bottom of the drone body (1) are fixedly connected to landing gears (5).

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