CN212648459U

CN212648459U - Omnidirectional antenna device for urban unmanned aerial vehicle detection system

Info

Publication number: CN212648459U
Application number: CN202021448518.9U
Authority: CN
Inventors: 刘超
Original assignee: Beijing Beidou Tianxun Technology Co Ltd
Current assignee: Beijing Beidou Tianxun Technology Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-02
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses an omnidirectional antenna device which can be used for an urban unmanned aerial vehicle detection system, comprising an omnidirectional antenna which is fixed on a stand column through a support component, wherein the support component comprises a first clamp, a second clamp, an installation cylinder, an internal thread ring and a rubber ring, and the first clamp is tightly held on the stand column; the second hoop is tightly held on the mounting cylinder and connected with the first hoop; the bottom of the mounting cylinder is provided with a through hole, and the top of the mounting cylinder is inserted into the central hole of the internal thread ring and is in threaded connection with the central hole; the bottom of the omnidirectional antenna penetrates through a center hole of the internal thread ring and then is inserted into the mounting cylinder, an annular groove A is formed in the lower side of the shell of the omnidirectional antenna, the inner ring of the rubber ring is inserted into the annular groove A, and the mounting cylinder, the rubber ring and the internal thread ring are in an axial locking state. The utility model discloses maintain omnidirectional antenna in the later stage, when changing omnidirectional antenna, need not together to have changed omnidirectional antenna together with the bracket component, improved and maintained convenience and reduced the maintenance cost.

Description

Omnidirectional antenna device for urban unmanned aerial vehicle detection system

Technical Field

The utility model relates to a security protection technical field, concretely relates to omnidirectional antenna device that can be used to city unmanned aerial vehicle detecting system.

Background

Drones are derived from military applications, often used for battlefield reconnaissance and local military strikes. With the development of radio communication and flight control technologies, unmanned aerial vehicles are developing towards civilization and consumption level. Currently, unmanned aerial vehicles have been widely used in the fields of news, logistics, energy, search and rescue, public security, shooting, urban mobile monitoring and the like. The unmanned aerial vehicle brings convenient service for people, and simultaneously, the problem of improper use also exists, "black flying" phenomenon frequently occurs, "disturbance," bomb, "candid photograph" and the like have become the new public security threat of city low latitude, and the unmanned aerial vehicle becomes the "timing bomb" that spirals in city low latitude.

The existing unmanned aerial vehicle management and control technology comprises radio direction finding positioning, optical detection, radar detection and sound detection technologies. Under the complex electromagnetic environment of urban environment and the shielding of buildings, the technology has limitations. The unmanned aerial vehicle measurement and control link signals which are relied on by the radio direction finding and positioning technology are interfered by urban co-frequency band signal sources. The optical detection technology is greatly influenced by weather such as rain, snow, fog and the like. Radar detection technology is largely shielded by buildings and radiation exists. Acoustic detection techniques are highly disturbed by background noise. In addition, the technical products are limited by the cost of software and hardware of the system, and cannot be widely applied and popularized in cities.

Based on the above circumstances, now mainly adopt wireless network to carry out unmanned aerial vehicle's management and control. Wireless fidelity is a technology that connects individual mobile terminals to each other in a wireless manner. Networking may be through wireless networks within the range of radio wave coverage.

In wireless signal transmission, antennas can be divided into an omnidirectional antenna and a directional antenna according to the difference of the directivities of the transmitted radio waves, wherein the omnidirectional antenna is a beam which is uniformly radiated by 360 degrees in the horizontal direction and has a certain width in the vertical direction, and the coverage range of the omnidirectional antenna is large; the directional antenna radiates in a range of a certain angle in the horizontal direction, and has directivity.

The existing wireless network access point mainly installs wireless equipment with an antenna at a high position in a city, and the common high position is provided with a vertical rod, a lamp post and the like, so that the wireless equipment covers more areas, and wireless signals are forwarded. The antenna and other related components can be powered by a power grid, solar energy or an independent power supply. The prior art CN204441480U discloses an omnidirectional antenna fixing bracket and an antenna installation apparatus having the same, where an omnidirectional antenna is fixed on a vertical rod through a cantilever bracket, and the omnidirectional antenna is fixedly connected with the cantilever bracket, so that when the omnidirectional antenna is maintained and replaced in the later period, the omnidirectional antenna and the cantilever bracket need to be replaced together, which is inconvenient to maintain and has high maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the omnidirectional antenna device can be used for an urban unmanned aerial vehicle detection system, and solves the technical problems that the conventional omnidirectional antenna installed on a stand column is convenient to maintain in the later period and high in maintenance cost.

The utility model adopts the technical scheme as follows:

the omnidirectional antenna device for the urban unmanned aerial vehicle detection system comprises an omnidirectional antenna fixed on an upright post through a support component, wherein the support component comprises a first clamp, a second clamp, a mounting cylinder, an internal thread ring and a rubber ring,

the first clamp is tightly held on the upright post;

the second hoop is tightly held on the mounting cylinder and is connected with the first hoop through a connecting component;

the bottom of the mounting cylinder is closed, the top of the mounting cylinder is open, a through hole for the data line of the omnidirectional antenna to penetrate through is formed in the bottom of the mounting cylinder, and the top of the mounting cylinder is inserted into the central hole of the internal thread ring and is in threaded connection with the central hole;

the bottom of the omnidirectional antenna penetrates through a center hole of the internal thread ring and then is inserted into the installation cylinder, an annular groove A is formed in the lower side of the shell of the omnidirectional antenna, the inner ring of the rubber ring is inserted into the annular groove A, the rubber ring is located above the installation cylinder, and the installation cylinder, the rubber ring and the internal thread ring are in an axial locking state.

Further, coupling assembling includes fixed block, dead lever and bolt, one side of fixed block and the outer wall connection of first clamp are provided with the mounting hole at its opposite side, the one end and the second clamp of dead lever are connected, and during its opposite side inserted the mounting hole, the pole portion end of bolt run through behind one side and the dead lever of fixed block with the opposite side threaded connection of fixed block.

Furthermore, an auxiliary support assembly is arranged at the bottom of the mounting cylinder and comprises an inclined arm and a matching strip, the upper end and the lower end of the inclined arm are respectively connected with the mounting cylinder and the matching strip, the matching strip is bent into an arc-shaped strip, and the side wall of the upright column is internally tangent to the inner concave surface of the matching strip;

the side wall of the upright post is convexly protruded along the circumference thereof to form an annular bulge, and the top surface of the bulge is contacted with the lower side of the matching strip.

Furthermore, an annular groove B is formed in the side wall of the mounting cylinder, the second clamp is located in the annular groove B, and the inner wall of the second clamp is in contact with the groove bottom of the annular groove B.

Further, all be provided with a plurality of elastic rubber strips on the inner wall of first clamp and second clamp.

Furthermore, a plurality of driving holes are formed in the side wall of the internal thread ring, the axis of each driving hole is positively intersected with the axis of the internal thread ring, and each driving hole is a hexagon socket.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses can be used to the omnidirectional antenna device of city unmanned aerial vehicle detecting system, when maintaining omnidirectional antenna in the later stage, changing omnidirectional antenna, need not change omnidirectional antenna and bracket component together, improved the maintenance convenience and reduced the maintenance cost;

2. the utility model discloses can be used to the omnidirectional antenna device of city unmanned aerial vehicle detecting system, come to make the omnidirectional antenna form one can be by the axial component that compresses tightly and come the axial fixation omnidirectional antenna through the rubber ring to when the rubber ring is ageing, pull the rubber ring, so that its inner circle increases, thereby take off from the omnidirectional antenna, then install new rubber ring can; meanwhile, when the bracket component designed by the utility model is not needed, the rubber ring can be directly taken down, and the rubber ring can be fixed by a traditional mounting mode, thereby achieving multiple purposes and being suitable for various mounting requirements;

3. the utility model discloses can be used to city unmanned aerial vehicle detecting system's omnidirectional antenna device, it can be right through sloping arm, cooperation strip and protruding the utility model discloses a suspension end increases the strong point, reduces the stress between coupling assembling and first clamp and the stand, improves the utility model discloses a life guarantees the straightness that hangs down of omnidirectional antenna position.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and it is only a schematic diagram of the structure or the position, in which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the connection assembly;

FIG. 4 is a schematic structural view of a bracket assembly;

fig. 5 is a schematic view of the structure of the internally threaded ring.

Reference numerals in the drawings indicate:

1-upright column, 2-omnidirectional antenna, 3-first clamp, 4-second clamp, 5-mounting cylinder, 6-internal thread ring, 7-rubber ring, 8-through hole, 9-annular groove A, 10-fixing block, 11-fixing rod, 12-bolt, 13-mounting hole, 14-oblique arm, 15-matching strip, 16-bulge, 17-annular groove B, 18-driving hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention.

The present invention will be described in detail with reference to fig. 1 to 5.

Example 1

The utility model discloses an omnidirectional antenna device that can be used to city unmanned aerial vehicle detecting system, as shown in fig. 1-5, it includes omnidirectional antenna 2 fixed on upright post 1 through bracket component, the bracket component includes first clamp 3, second clamp 4, installation cylinder 5, internal thread ring 6 and rubber ring 7, wherein,

the first clamp 3 is tightly held on the upright post 1;

the second hoop 4 is tightly held on the mounting cylinder 5, and the second hoop 4 is connected with the first hoop 3 through a connecting component;

the bottom of the mounting cylinder 5 is closed, the top of the mounting cylinder is open, a through hole 8 for the data line of the omnidirectional antenna 2 to penetrate through is formed in the bottom of the mounting cylinder, and the top of the mounting cylinder 5 is inserted into the central hole of the internal thread ring 6 and is in threaded connection with the central hole;

the bottom of the omnidirectional antenna 2 penetrates through a center hole of the internal thread ring 6 and then is inserted into the installation cylinder 5, an annular groove A9 is formed in the lower side of the shell of the omnidirectional antenna 2, the inner ring of the rubber ring 7 is inserted into the annular groove A9, the rubber ring 7 is located above the installation cylinder 5, and the installation cylinder 5, the rubber ring 7 and the internal thread ring 6 are in an axial locking state.

When the omnidirectional antenna 2 needs to be maintained and replaced, the internal thread ring 6 is rotated to release the threaded connection between the internal thread ring and the installation cylinder 5, meanwhile, the axial locking of the rubber ring 7 is released, and then the omnidirectional antenna 2 is taken out of the installation cylinder 5. The omnidirectional antenna 2 is well maintained or a new omnidirectional antenna 2 is installed in the installation cylinder, then the internal thread ring 6 is sleeved on the omnidirectional antenna 2, the internal thread ring 6 is moved downwards, then the internal thread ring is in threaded connection with the installation cylinder 5, and the outer side of the rubber ring 7 is tightly pressed between the internal thread ring 6 and the installation cylinder 5, so that the installation cylinder 5, the rubber ring 7 and the internal thread ring 6 are in an axial locking state, and the omnidirectional antenna is fixed.

The utility model discloses maintain omnidirectional antenna in the later stage, when changing omnidirectional antenna, need not together to have changed omnidirectional antenna together with the bracket component, improved and maintained convenience and reduced the maintenance cost.

Meanwhile, in the utility model, the omnidirectional antenna forms an axially-compressed component to axially fix the omnidirectional antenna through the rubber ring 7, so that when the rubber ring 7 is aged, the rubber ring 7 is pulled to enlarge the inner ring of the rubber ring 7, so that the rubber ring is taken down from the omnidirectional antenna, and then a new rubber ring 7 is installed; and simultaneously, need not to use the utility model discloses a during the bracket component, then can directly take off rubber ring 7, installation tradition mode fix can, kill many birds with one stone, be applicable to various installation demands.

Example 2

This embodiment makes an explanation about the connection assembly in embodiment 1.

As shown in fig. 2 and 3, in the utility model, coupling assembling includes fixed block 10, dead lever 11 and bolt 12, one side of fixed block 10 and the outer wall connection of first clamp 3 are provided with mounting hole 13 at its opposite side, the one end and the second clamp 4 of dead lever 11 are connected, and its opposite side inserts in the mounting hole 13, bolt 12's pole portion end run through behind one side of fixed block 10 and the dead lever 11 with the opposite side threaded connection of fixed block 10.

The fixing block 10 is preferably integrally formed with the first yoke 3.

Example 3

The present embodiment is further optimized and explained for the support of the omnidirectional antenna on the basis of the above embodiments.

As shown in fig. 1 and 2, in the present invention, an auxiliary support assembly is disposed at the bottom of the mounting cylinder 5, the auxiliary support assembly includes an inclined arm 14 and a matching strip 15, the upper and lower ends of the inclined arm 14 are respectively connected with the mounting cylinder 5 and the matching strip 15, the matching strip 15 is bent into an arc-shaped strip, and the side wall of the upright column 1 is inscribed in the inner concave surface of the matching strip 15;

an annular projection 16 is protruded outwardly from the side wall of the column 1 along the periphery thereof, and the top surface of the projection 16 is in contact with the lower side of the fitting strip 15.

Through sloping arm 14, cooperation strip 15 and protruding 16 can be right the utility model discloses a free end increases the strong point, reduces the stress between coupling assembling and first clamp and the stand, improves the utility model discloses a life guarantees the straightness that hangs down of omnidirectional antenna position.

Example 4

Preferably, an annular groove B17 is provided on the side wall of the mounting tube 5, and the second clip 4 is located in the annular groove B17, and the inner wall thereof is in contact with the bottom of the annular groove B17. The annular groove B17 is provided to stabilize the fitting between the mounting tube and the second clip 4, and the second clip not only bears the weight of the mounting tube 5 and the like by friction but also directly prevents the mounting tube 5 from slipping out of the second clip 4 by size limitation.

Example 5

Preferably, a plurality of elastic rubber strips are provided on the inner walls of the first and

second clips

3 and 4. Elastic rubber strip can increase the frictional force between each clamp and the part of being embraced by it, promotes the stability of integral erection.

Example 6

Preferably, a plurality of driving holes 18 are arranged on the side wall of the internal thread ring 6, the axes of the driving holes 18 are positively intersected with the axis of the internal thread ring 6, and the driving holes 18 are hexagon socket holes. When the internal thread ring 6 is rotated, a hexagonal wrench can be matched with the driving hole 18, so that the rotating force arm of the internal thread ring 6 is increased, the torque is increased, and the labor intensity of workers is reduced.

Claims

1. Omnidirectional antenna device that can be used to unmanned aerial vehicle detecting system in city includes and fixes omnidirectional antenna (2) on stand (1) through the bracket component, its characterized in that: the bracket component comprises a first clamp (3), a second clamp (4), a mounting cylinder (5), an internal thread ring (6) and a rubber ring (7),

the first clamp (3) is tightly held on the upright post (1);

the second hoop (4) is tightly held on the mounting cylinder (5), and the second hoop (4) is connected with the first hoop (3) through a connecting component;

the bottom of the mounting cylinder (5) is closed, the top of the mounting cylinder is open, a through hole (8) for the data line of the omnidirectional antenna (2) to penetrate through is formed in the bottom of the mounting cylinder, and the top of the mounting cylinder (5) is inserted into the central hole of the internal thread ring (6) and is in threaded connection with the central hole;

the bottom of omnidirectional antenna (2) is passed the centre bore of internal thread ring (6) and is inserted in installation section of thick bamboo (5) after, is provided with ring channel A (9) at the downside of the shell of omnidirectional antenna (2), the inner circle of rubber ring (7) inserts in ring channel A (9), and rubber ring (7) are located the top of installation section of thick bamboo (5), and installation section of thick bamboo (5), rubber ring (7) and internal thread ring (6) are in axial locking state.

2. The omnidirectional antenna device for urban unmanned aerial vehicle detection systems according to claim 1, wherein: coupling assembling includes fixed block (10), dead lever (11) and bolt (12), the one side of fixed block (10) and the outer wall connection of first clamp (3) are provided with mounting hole (13) at its opposite side, the one end and the second clamp (4) of dead lever (11) are connected, and its opposite side inserts in mounting hole (13), the pole portion end of bolt (12) runs through behind one side and dead lever (11) of fixed block (10) and the opposite side threaded connection of fixed block (10).

3. The omnidirectional antenna device for urban unmanned aerial vehicle detection systems according to claim 1, wherein: an auxiliary supporting assembly is arranged at the bottom of the mounting cylinder (5), the auxiliary supporting assembly comprises an inclined arm (14) and a matching strip (15), the upper end and the lower end of the inclined arm (14) are respectively connected with the mounting cylinder (5) and the matching strip (15), the matching strip (15) is bent into an arc-shaped strip, and the side wall of the upright post (1) is internally tangent to an inner concave surface of the matching strip (15);

an annular bulge (16) is convexly arranged on the side wall of the upright post (1) along the circumference of the upright post, and the top surface of the bulge (16) is contacted with the lower side of the matching strip (15).

4. The omnidirectional antenna device for the urban unmanned aerial vehicle detection system according to any one of claims 1 to 3, wherein: be provided with annular groove B (17) on the lateral wall of installation section of thick bamboo (5), second clamp (4) are located annular groove B (17), and the tank bottom contact of its inner wall and annular groove B (17).

5. The omnidirectional antenna device for the urban unmanned aerial vehicle detection system according to any one of claims 1 to 3, wherein: all be provided with a plurality of elastic rubber strips on the inner wall of first clamp (3) and second clamp (4).

6. The omnidirectional antenna device for the urban unmanned aerial vehicle detection system according to any one of claims 1 to 3, wherein: the side wall of the internal thread ring (6) is provided with a plurality of driving holes (18), the axis of each driving hole (18) is positively intersected with the axis of the internal thread ring (6), and each driving hole (18) is a hexagon socket hole.