A multi-band omnidirectional anti-drone antenna

Abstract

The present invention discloses a multi-band omnidirectional countermeasure UAV antenna, which relates to the field of UAV antennas, including a UAV main body, a servo motor is embedded in the middle of the bottom end of the UAV main body, the output end of the servo motor is fixedly connected to a control box through a rotating shaft, the control box is located directly below the UAV main body, the bottom end of the control box is fixedly connected to a support seat, a limit assembly is arranged on the top edge of the control box, both sides of the upper end of the control box are fixedly connected to a connecting plate, the end of the connecting plate is fixedly connected to a mounting plate, and an antenna assembly is arranged on the outside of the mounting plate. The present invention is provided with a servo motor on the UAV main body, and the servo motor drives the antenna assembly to perform circular motion through the control box, the connecting plate and the mounting plate. The lateral antenna, the vertical antenna and the auxiliary antenna on the antenna assembly cooperate to perform all-round countermeasure work, thereby improving the countermeasure efficiency of the UAV.

Description

Technical Field

[0001] The present invention relates to the field of unmanned aerial vehicle antennas, and in particular to a multi-band omnidirectional anti-unmanned aerial vehicle antenna. Background Art

[0002] Unmanned aircraft, referred to as "drones", are unmanned aircraft controlled by radio remote control equipment and self-contained program control devices. From a technical point of view, they can be divided into: unmanned fixed-wing aircraft, unmanned vertical take-off and landing aircraft, unmanned airships, unmanned helicopters, unmanned multi-rotor aircraft, unmanned paragliders, etc. However, with the development of drone technology, the national military security, civil aviation security, and the security of some units that need to be kept confidential, such as prisons, are seriously threatened. With the prominence of the above security issues, anti-drone technology is also in urgent need of development. The current drone counter-antenna can only counter in one direction, and cannot counter in all directions, which reduces the efficiency of the counter-attack. Therefore, it is necessary to invent a multi-band omnidirectional counter-drone antenna to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-band omnidirectional anti-UAV antenna to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-band omnidirectional counter-UAV antenna, comprising an UAV body, a servo motor is embedded in the middle of the bottom end of the UAV body, the output end of the servo motor is fixedly connected to a control box through a rotating shaft, the control box is located directly below the UAV body, the bottom end of the control box is fixedly connected to a support seat, a limit assembly is arranged on the top edge of the control box, both sides of the upper end of the control box are fixedly connected to a connecting plate, the end of the connecting plate is fixedly connected to a mounting plate, an antenna assembly is arranged on the outer side of the mounting plate, a protective mesh cover is sleeved on the outer side of the antenna assembly, the protective mesh cover is fixedly connected to the outer side of the mounting plate, the antenna assembly comprises a connecting rod fixedly installed in the middle of the outer side of the mounting plate, both sides of one end of the connecting rod are fixedly connected to mounting blocks, a horizontal antenna is arranged at one end of the connecting rod, a vertical antenna is arranged on the mounting block, and a plurality of auxiliary antennas distributed in a circular array are fixedly connected to the middle outer sides of the horizontal antenna and the vertical antenna.

[0005] Preferably, the limiting assembly includes a limiting slide groove opened on the edge of the lower surface of the drone body, and the top edge of the servo motor is fixedly connected to a plurality of limiting sliders distributed in a ring array, and the limiting sliders are located inside the limiting slide groove.

[0006] Preferably, a ball groove is provided on the inner bottom wall of the limiting sliding block, a ball is arranged inside the ball groove, and the bottom of the ball is fitted and connected to the inner bottom wall of the limiting sliding groove.

[0007] Preferably, both sides of one end of the protective mesh cover are fixedly connected with fitting plates, the fitting plates are fit-connected to the outer side of the mounting plate, a mounting hole is opened in the middle of the fitting plate, both ends of the outer side of the mounting plate are fixedly connected with threaded columns, one end of the threaded column passes through the mounting hole and extends to the other side of the fitting plate, a locking nut is sleeved on the outer side of one end of the threaded column, and the locking nut is fit-connected to the other side of the fitting plate.

[0008] Preferably, one end of the connecting rod and the mounting block are provided with a mounting groove, one end of the horizontal antenna is inserted into the mounting groove on the connecting rod, and one end of the vertical antenna is inserted into the mounting groove on the mounting block, and an electrical connector is fixedly connected to the bottom of the mounting groove, and one end of the horizontal antenna and the vertical antenna are both electrically connected to the electrical connector.

[0009] Preferably, a first slot is opened on both sides of the slot opening of the installation slot, a limiting plate is arranged inside the first slot, one end of the limiting plate is connected to the bottom of the first slot through a reset spring, and the other end of the limiting plate is arranged as an inclined surface, and limiting slots are opened on both sides of one end of the horizontal antenna and the vertical antenna, and the limiting slot is adapted to the other end of the limiting plate.

[0010] Preferably, second slots are provided on both sides of the bottom of the installation slot, a button is inserted into the second slot, the second slot is connected to the first slot through an empty slot, the empty slots are provided on both sides of the installation slot, and a connecting lever is provided inside the empty slot.

[0011] Preferably, the middle portion of the connecting lever is connected to the inner wall of the hollow slot via a pin shaft, both ends of the connecting lever are configured as telescopic rods, and the two ends of the connecting lever are respectively connected to the limit plate and the button via a pin shaft.

[0012] A workflow of a multi-band omnidirectional anti-drone antenna includes the following steps:

[0013] Step 1: First, start the servo motor, which drives the control box to rotate. The control box drives the antenna assembly to rotate through the connecting plate and the mounting plate. The interference signal generator in the control box uses the horizontal antenna and the vertical antenna on the antenna assembly to perform all-round countermeasures against other drones.

[0014] Step 2: When the control box rotates, the limit slider moves in a circle in the limit slide. The limit slider and the limit slide cooperate to support the control box. The ball on the limit slider reduces the friction between the limit slider and the limit slide, making the control box easy to rotate.

[0015] Step 3: When installing the horizontal antenna and the vertical antenna, first insert the horizontal antenna into the installation slot on the connecting rod, and then insert the vertical antenna into the installation slot on the mounting block until the limiting plate in the installation slot is inserted into the limiting slots on the horizontal antenna and the vertical antenna, and the horizontal antenna and the vertical antenna are fixed;

[0016] Step 4: When disassembling the horizontal antenna and the vertical antenna, first tighten the locking nut to separate the locking nut from the threaded column, then move the bonding plate to separate the threaded column from the mounting hole on the bonding plate, and then the protective mesh cover can be disassembled;

[0017] Step 5: Then press the button and push it into the second slot. At this time, the button drives the limit plate to move into the first slot through the connecting lever until the limit plate is separated from the limit slot. At this time, the horizontal antenna and the vertical antenna can be disassembled and replaced.

[0018] Technical effects and advantages of the present invention:

[0019] 1. The present invention provides a servo motor on the main body of the UAV, and the servo motor drives the antenna assembly to make circular motion through the control box, the connecting plate and the mounting plate. The lateral antenna, the vertical antenna and the auxiliary antenna on the antenna assembly cooperate to perform all-round countermeasures, thereby improving the countermeasure efficiency of the UAV.

[0020] 2. The present invention provides a protective mesh cover on the outside of the antenna assembly, which protects the antenna assembly and prevents foreign objects from affecting the antenna assembly while not hindering the antenna assembly from performing countermeasures.

[0021] 3. The present invention provides slots on the connecting rod and the mounting block, and a snap-in mechanism is provided in the slots, so that the horizontal antenna and the vertical antenna can be quickly and stably installed on the connecting rod and the mounting block, and at the same time, the horizontal antenna and the vertical antenna can be quickly disassembled and replaced when damaged, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the structure of the antenna assembly of the present invention.

[0024] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle.

[0025] Figure 4 It is a top-sectional schematic diagram of the protective net structure of the present invention.

[0026] Figure 5 It is a schematic cross-sectional view of the mounting block structure of the present invention.

[0027] In the figure: 1. UAV body; 2. servo motor; 3. control box; 4. support seat; 5. limit assembly; 6. connecting plate; 7. mounting plate; 8. antenna assembly; 9. protective net cover; 10. connecting rod; 11. mounting block; 12. horizontal antenna; 13. vertical antenna; 14. auxiliary antenna; 15. limit slide; 16. limit slider; 17. ball groove; 18. ball; 19. bonding plate; 20. mounting hole; 21. threaded column; 22. locking nut; 23. mounting slot; 24. electrical connector; 25. first slot; 26. limit plate; 27. reset spring; 28. limit slot; 29. ​​second slot; 30. button; 31. empty slot; 32. connecting lever. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The present invention provides Figure 1-5 A multi-band omnidirectional anti-drone antenna is shown, Figure 1 As shown, it includes a drone body 1, a servo motor 2 is embedded in the middle of the bottom end of the drone body 1, the output end of the servo motor 2 is fixedly connected to a control box 3 through a rotating shaft, the control box 3 is located directly below the drone body 1, the bottom end of the control box 3 is fixedly connected to a support seat 4, a limit assembly 5 is arranged on the top edge of the control box 3, connecting plates 6 are fixedly connected to both sides of the upper end of the control box 3, a mounting plate 7 is fixedly connected to the end of the connecting plate 6, an antenna assembly 8 is arranged on the outer side of the mounting plate 7, a protective mesh cover 9 is sleeved on the outer side of the antenna assembly 8, the protective mesh cover 9 is fixedly connected to the outer side of the mounting plate 7, and the setting of the protective mesh cover 9 plays a protective role on the antenna assembly 8.

[0030] like Figure 2 As shown, the antenna assembly 8 includes a connecting rod 10 fixedly mounted on the middle part of the outer side of the mounting plate 7, and mounting blocks 11 are fixedly connected to both sides of one end of the connecting rod 10, a horizontal antenna 12 is arranged at one end of the connecting rod 10, and a vertical antenna 13 is arranged on the mounting block 11, and multiple auxiliary antennas 14 distributed in a circular array are fixedly connected to the outer side of the middle part of the horizontal antenna 12 and the vertical antenna 13, and the horizontal antenna 12 and the vertical antenna 13 cooperate with the auxiliary antenna 14 to play an all-round countermeasure role.

[0031] like Figure 3As shown, the limit assembly 5 includes a limit slide groove 15 opened on the edge of the lower surface of the drone body 1, and the limit slide groove 15 is arranged as an annular structure. The top edge of the servo motor 2 is fixedly connected with a plurality of limit sliders 16 distributed in an annular array, and the limit slider 16 is located inside the limit slide groove 15. The limit slider 16 cooperates with the limit slide groove 15 to support the control box 3. A ball groove 17 is opened on the inner bottom wall of the limit slider 16, and a ball 18 is arranged inside the ball groove 17. The bottom of the ball 18 is fitted and connected with the inner bottom wall of the limit slide groove 15. The setting of the ball 18 reduces the friction between the limit slider 16 and the limit slide groove 15, so that the limit slider 16 is easy to move in the limit slide groove 15.

[0032] like Figure 4 As shown, both sides of one end of the protective mesh cover 9 are fixedly connected with a fitting plate 19, the fitting plate 19 is fitted and connected to the outer side of the mounting plate 7, a mounting hole 20 is opened in the middle of the fitting plate 19, and both ends of the outer side of the mounting plate 7 are fixedly connected with a threaded column 21, one end of the threaded column 21 passes through the mounting hole 20 and extends to the other side of the fitting plate 19, and a locking nut 22 is sleeved on the outer side of one end of the threaded column 21, and the locking nut 22 is fitted and connected to the other side of the fitting plate 19. The locking nut 22 cooperates with the threaded column 21 to fix the fitting plate 19 on the mounting plate 7, thereby limiting and fixing the protective mesh cover 9.

[0033] like Figure 5As shown, one end of the connecting rod 10 and the mounting block 11 are both provided with a mounting groove 23, one end of the horizontal antenna 12 is inserted into the mounting groove 23 on the connecting rod 10, and one end of the vertical antenna 13 is inserted into the mounting groove 23 on the mounting block 11, and the groove bottom of the mounting groove 23 is fixedly connected with an electrical connector 24, one end of the electrical connector 24 is connected to the control box 3 through a guide, and one end of the horizontal antenna 12 and the vertical antenna 13 are both electrically connected to the electrical connector 24, and first slots 25 are provided on both sides of the slot of the mounting groove 23, and a limiting plate 26 is arranged inside the first slot 25, and one end of the limiting plate 26 is connected to the groove bottom of the first slot 25 through a reset spring 27. The setting of the reset spring 27 enables the limiting plate 26 to be automatically inserted into the limiting groove 28 when no force is applied, and the other end of the limiting plate 26 is set as an inclined surface, and the horizontal antenna 12 and Limiting grooves 28 are provided on both sides of one end of the vertical antenna 13, and the limiting grooves 28 are adapted to the other end of the limiting plate 26, so that the horizontal antenna 12 and the vertical antenna 13 can be fixed in the mounting grooves 23 on the connecting rod 10 and the mounting block 11 respectively. Second slots 29 are provided on both sides of the groove bottom of the mounting groove 23, and a button 30 is inserted inside the second slot 29. The second slot 29 is connected to the first slot 25 through an empty slot 31. The empty slot 31 is provided on both sides of the mounting groove 23. A connecting lever 32 is provided inside the empty slot 31. The middle part of the connecting lever 32 is connected to the inner wall of the empty slot 31 through a pin shaft. Both ends of the connecting lever 32 are set as telescopic rods, and the two ends of the connecting lever 32 are respectively connected to the limiting plate 26 and the button 30 through a pin shaft, so that the button 30 can drive the limiting plate 26 to move through the connecting lever 32.

[0034] The present invention also discloses a working process of a multi-band omnidirectional anti-UAV antenna, comprising the following steps:

[0035] Step 1: First, start the servo motor 2, which drives the control box 3 to rotate. The control box 3 drives the antenna assembly 8 to rotate through the connecting plate 6 and the mounting plate 7. The interference signal generator in the control box 3 performs all-round countermeasures against other drones through the horizontal antenna 12 and the vertical antenna 13 on the antenna assembly 8;

[0036] Step 2: When the control box 3 rotates, the limit slider 16 is driven to make a circular motion in the limit slide groove 15. The limit slider 16 and the limit slide groove 15 cooperate to support the control box 3. The ball 18 on the limit slider 16 reduces the friction between the limit slider 16 and the limit slide groove 15, making it easier for the control box 3 to rotate;

[0037] Step 3: When installing the horizontal antenna 12 and the vertical antenna 13, first insert the horizontal antenna 12 into the mounting groove 23 on the connecting rod 10, and then insert the vertical antenna 13 into the mounting groove 23 on the mounting block 11, until the limiting plate 26 in the mounting groove 23 is inserted into the limiting groove 28 on the horizontal antenna 12 and the vertical antenna 13, so as to limit and fix the horizontal antenna 12 and the vertical antenna 13;

[0038] Step 4: When the horizontal antenna 12 and the vertical antenna 13 are disassembled, firstly tighten the locking nut 22 to separate the locking nut 22 from the threaded column 21, then move the bonding plate 19 to separate the threaded column 21 from the mounting hole 20 on the bonding plate 19, and then the protective mesh cover 9 can be disassembled;

[0039] Step 5: Then press the button 30 and push it into the second slot 29. At this time, the button 30 drives the limit plate 26 to move into the first slot 25 through the connecting lever 32 until the limit plate 26 is separated from the limit slot 28. At this time, the horizontal antenna 12 and the vertical antenna 13 can be disassembled and replaced.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A working method of a multi-band omnidirectional anti-drone antenna, characterized in that: The invention comprises an unmanned aerial vehicle (UAV) body (1), wherein a servo motor (2) is embedded in the middle of the bottom end of the UAV body (1), the output end of the servo motor (2) is fixedly connected to a control box (3) via a rotating shaft, the control box (3) is located directly below the UAV body (1), the bottom end of the control box (3) is fixedly connected to a support seat (4), a limit position assembly (5) is arranged at the top edge of the control box (3), both sides of the upper end of the control box (3) are fixedly connected to connecting plates (6), the ends of the connecting plates (6) are fixedly connected to mounting plates (7), an antenna assembly (8) is arranged on the outer side of the mounting plate (7), a protective net cover (9) is sleeved on the outer side of the antenna assembly (8), and the protective net cover (9) is arranged on the outer side of the antenna assembly (8). The cover (9) is fixedly connected to the outer side of the mounting plate (7); the antenna assembly (8) comprises a connecting rod (10) fixedly mounted on the middle part of the outer side of the mounting plate (7); both sides of one end of the connecting rod (10) are fixedly connected to mounting blocks (11); one end of the connecting rod (10) is provided with a transverse antenna (12); the mounting block (11) is provided with a vertical antenna (13); the middle outer sides of the transverse antenna (12) and the vertical antenna (13) are fixedly connected to a plurality of auxiliary antennas (14) distributed in a circular array; the limiting assembly (5) comprises a limiting slide groove (15) provided on the edge of the lower surface of the drone body (1); the top edge of the servo motor (2) is fixedly connected to a plurality of auxiliary antennas (14) arranged in a circular array; The limiting sliders (16) are arranged in a circular array, and the limiting sliders (16) are located inside the limiting slide groove (15); a ball groove (17) is provided on the inner bottom wall of the limiting slider (16), and a ball (18) is arranged inside the ball groove (17), and the bottom of the ball (18) is closely connected to the inner bottom wall of the limiting slide groove (15); both sides of one end of the protective net cover (9) are fixedly connected to a bonding plate (19), and the bonding plate (19) is closely connected to the outer side of the mounting plate (7), and a mounting hole (20) is provided in the middle of the bonding plate (19), and both ends of the outer side of the mounting plate (7) are fixedly connected to a threaded column (21), and one end of the threaded column (21) passes through the mounting plate (7). The hole (20) is formed on the outer side of the threaded column (21), and extends to the other side of the bonding plate (19); a locking nut (22) is sleeved on the outer side of one end of the threaded column (21), and the locking nut (22) is bonded and connected to the other side of the bonding plate (19); one end of the connecting rod (10) and the mounting block (11) are both provided with a mounting groove (23); one end of the horizontal antenna (12) is inserted into the mounting groove (23) on the connecting rod (10), and one end of the vertical antenna (13) is inserted into the mounting groove (23) on the mounting block (11); an electrical connector (24) is fixedly connected to the bottom of the mounting groove (23), and one end of each of the horizontal antenna (12) and the vertical antenna (13) is electrically connected to the electrical connector (24);First slots (25) are provided on both sides of the slot opening of the installation slot (23); a limiting plate (26) is provided inside the first slot (25); one end of the limiting plate (26) is connected to the slot bottom of the first slot (25) via a return spring (27); the other end of the limiting plate (26) is provided as an inclined surface; limiting slots (28) are provided on both sides of one end of the horizontal antenna (12) and the vertical antenna (13); the limiting slots (28) are adapted to the other end of the limiting plate (26); second slots (29) are provided on both sides of the slot bottom of the installation slot (23); a button (30) is inserted inside the second slot (29); the second slot (29) is connected to the first slot (25) via an empty slot (31); the empty slot (31) is provided on both sides of the installation slot (23); a connecting lever (32) is provided inside the empty slot (31); The working method includes the following steps: Step 1: First, the servo motor (2) is started, the servo motor (2) drives the control box (3) to rotate, the control box (3) drives the antenna assembly (8) to rotate through the connecting plate (6) and the mounting plate (7), and the interference signal generator in the control box (3) performs all-round countermeasure work on other drones through the horizontal antenna (12) and the vertical antenna (13) on the antenna assembly (8); Step 2: When the control box (3) rotates, the limit slider (16) is driven to make a circular motion in the limit slide groove (15). The limit slider (16) and the limit slide groove (15) cooperate to support the control box (3). The ball (18) on the limit slider (16) reduces the friction between the limit slider (16) and the limit slide groove (15), so that the control box (3) is easy to rotate; Step 3: When installing the horizontal antenna (12) and the vertical antenna (13), first insert the horizontal antenna (12) into the installation slot (23) on the connecting rod (10), and then insert the vertical antenna (13) into the installation slot (23) on the installation block (11), until the limiting plate (26) in the installation slot (23) is inserted into the limiting slot (28) on the horizontal antenna (12) and the vertical antenna (13), so as to limit and fix the horizontal antenna (12) and the vertical antenna (13); Step 4: When the horizontal antenna (12) and the vertical antenna (13) are to be disassembled, firstly the locking nut (22) is screwed to separate the locking nut (22) from the threaded column (21), and then the bonding plate (19) is moved to separate the threaded column (21) from the mounting hole (20) on the bonding plate (19), and the protective mesh cover (9) can be disassembled; Step 5: Then, the button (30) is pressed into the second slot (29). At this time, the button (30) drives the limit plate (26) to move into the first slot (25) through the connecting lever (32) until the limit plate (26) is separated from the limit slot (28). At this time, the horizontal antenna (12) and the vertical antenna (13) can be disassembled and replaced.

2. The working method of a multi-band omnidirectional anti-drone antenna according to claim 1, characterized in that: The middle portion of the connecting lever (32) is connected to the inner wall of the hollow groove (31) via a pin shaft, both ends of the connecting lever (32) are configured as telescopic rods, and the two ends of the connecting lever (32) are respectively connected to the limit plate (26) and the button (30) via a pin shaft.

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