CN220233455U

CN220233455U - Sectional type omnidirectional antenna

Info

Publication number: CN220233455U
Application number: CN202321627385.5U
Authority: CN
Inventors: 任光升; 陈勇; 邓晓生; 温展宇; 徐艺峰
Original assignee: Shd Communication Technology Guangdong Co ltd
Current assignee: Shd Communication Technology Guangdong Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-22
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a sectional omni-directional antenna which comprises a plurality of radiating oscillators, at least one symmetrical oscillator, an outer cover and a coaxial connecting device. The dipoles comprise a first arm and a second arm of equal length, the first arm and the second arm being arranged apart along a straight line. The first arm is connected to a radiating element adjacent to the first arm and the second arm is connected to a radiating element adjacent to the second arm. The outer cover is sleeved on the periphery of the vibrator linear array, and the outer cover at the periphery of the symmetrical vibrator is disconnected to form a first opening end and a second opening end. The coaxial connector comprises a male connector and a female connector, wherein the first arm and the first opening end are connected to the male connector, and the second arm and the second opening end are connected to the female connector. Wherein the male connector and the female connector are abutted so that the first arm is connected with the second arm, and the first opening end is connected with the second opening end. The utility model has the characteristics of split disassembly and assembly and high gain, and meets the requirements of small volume and convenient carrying and installation.

Description

Sectional type omnidirectional antenna

Technical Field

The utility model relates to the technical field of omni-directional antennas, in particular to a sectional omni-directional antenna.

Background

An omni-directional antenna, i.e. one which exhibits a uniform radiation of 360 ° in the horizontal pattern, i.e. so-called non-directivity, exhibits a beam of a certain width in the vertical pattern, in general the smaller the lobe width the larger the gain. An omni-directional antenna is generally applied to a station system of suburban county and regional system in a mobile communication system, and has a large coverage area.

The housing specifications used in the omni-directional antennas of the prior art are typically Φ20, Φ25, Φ32, Φ38, Φ52, etc. For example, if the gain of the omni-directional antenna needs to satisfy a high gain (10 to 11 dBi), the antenna length is long (about 3 meters), the outer diameter of the housing is also large (greater than Φ32), and the whole antenna is not only inconvenient to carry but also difficult to install.

In summary, the high gain antenna is long, inconvenient to customize, and high in packaging, transportation and installation costs.

Disclosure of Invention

The embodiment of the utility model provides a sectional omni-directional antenna, which aims to solve the technical problems of longer high-gain antenna, inconvenient customization and high packaging, transportation and installation costs in the prior art.

In order to solve the above technical problems, in one aspect, an embodiment of the present utility model provides a segmented omni-directional antenna, including:

the radiating oscillators are arranged in a straight line, and two adjacent radiating oscillators are connected;

at least one dipole arranged between two of the radiating elements and forming a linear array of elements with the plurality of radiating elements; the dipoles comprise a first arm and a second arm which are equal in length, and the first arm and the second arm are arranged in a linear separation mode; the first arm is connected with the radiating oscillator adjacent to the first arm, and the second arm is connected with the radiating oscillator adjacent to the second arm;

the outer cover is sleeved on the periphery of the vibrator linear array, and the outer cover at the periphery of the symmetrical vibrator is disconnected to form a first opening end and a second opening end; and

the coaxial connecting device comprises a male connector and a female connector, the first arm and the first opening end are connected to the male connector, and the second arm and the second opening end are connected to the female connector;

the male connector and the female connector are in butt joint, so that the first arm is connected with the second arm, and the first opening end is connected with the second opening end.

In some embodiments, the first arm includes a first conductor tube and a first feed line including a first inner conductor and a first outer conductor coaxially disposed within the first conductor tube, the first inner conductor passing through the first outer conductor;

the second arm comprises a second conductor tube and a second feeder line, the second feeder line comprises a second inner conductor and a second outer conductor, the second outer conductor is coaxially arranged in the second conductor tube, and the second inner conductor penetrates through the second outer conductor;

the male connector comprises a first connector main body, a fourth inner conductor and a fourth outer conductor, wherein the first connector main body is provided with a first slot, the fourth outer conductor is arranged in the first connector main body, and the fourth inner conductor is arranged in the center of the fourth outer conductor;

the female connector comprises a second connector main body, a fifth inner conductor and a fifth outer conductor, wherein the second connector main body is provided with a second slot, the fifth outer conductor is arranged in the second connector main body, and the fifth inner conductor is arranged in the center of the fifth outer conductor;

the first opening end is inserted into the first slot, the fourth outer conductor is connected with the first outer conductor, and the first inner conductor is connected with the fourth inner conductor;

the second opening end is inserted into the second slot, the fifth outer conductor is connected with the second outer conductor, and the second inner conductor is connected with the fifth inner conductor;

the male connector and the female connector are in butt joint, the fourth inner conductor is connected with the fifth inner conductor, and the fourth outer conductor is connected with the fifth outer conductor.

In some embodiments, the fourth inner conductor has a pin and the fifth inner conductor has a socket, the pin being inserted into the socket and forming a cavity at the end of the socket.

In some embodiments, the fourth inner conductor has a first connection hole, the fifth inner conductor has a second connection hole, the first inner conductor is secured to the first connection hole, and the second inner conductor is secured within the second connection hole.

In some embodiments, the fourth outer conductor has a first sleeve that encases the first conductor tube and is welded to the first outer conductor, and the fifth outer conductor has a second sleeve that encases the second conductor tube and is welded to the second outer conductor.

In some embodiments, a threaded sleeve is provided at one end of the first connector body, and a threaded connector is provided at one end of the second connector body, the threaded connector being threaded into the threaded sleeve to interface the male connector and the female connector.

In some embodiments, the second connector body is provided with a limit step on its outer periphery, the limit step being located at the inlet end of the threaded sleeve.

In some embodiments, the dipoles are half wavelength dipoles.

In some embodiments, the radiating elements each include a third conductor tube and a third feed line coaxially disposed within the third conductor tube, the third feed line including a third inner conductor and a third outer conductor.

In some embodiments, the segmented omni-directional antenna further comprises:

the top cover is covered at the top end of the outer cover;

the metal connecting sleeve is sleeved at the bottom end of the outer cover;

the antenna connector is arranged on the metal connecting sleeve; and

the feed pole is arranged in the outer cover, one end of the feed pole is connected with the antenna joint, and the other end of the feed pole is connected with the first radiating oscillator at the lower end of the oscillator linear array.

The embodiment of the utility model has the following beneficial effects: the sectional omni-directional antenna adopts sectional design, namely, dipoles in a dipole linear array are disconnected into a first arm and a second arm which are equal in length, an outer cover at the periphery of the dipoles is disconnected to form a first opening end and a second opening end, the first arm is connected with the second arm through a male connector and a female connector of a coaxial connecting device in a butt joint mode, and the first opening end is connected with the second opening end, so that the complete antenna is assembled.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a segmented omni-directional antenna according to the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged partial view of region B shown in FIG. 2;

FIG. 4 is a schematic view of the first embodiment of the male connector of the present utility model;

fig. 5 is a schematic structural view of a first embodiment of the female connector of the present utility model.

Reference numerals illustrate:

100. a radiating oscillator; 110. a third conductor tube; 120. a third feeder line; 121. a third inner conductor; 122. a third outer conductor; 200. a dipole; 210. a first arm; 211. a first conductor tube; 212. a first feeder line; 2121. a first inner conductor; 2122. a first outer conductor; 220. a second arm; 221. a second conductor tube; 222. a second feeder line; 2221. a second inner conductor; 2222. a second outer conductor; 300. an outer cover; 310. a first open end; 320. a second open end; 400. a coaxial connection device; 410. a male connector; 411. a first joint body; 412. a fourth inner conductor; 4121. a contact pin; 4122. a first connection hole; 413. a fourth outer conductor; 4131. a first sleeve; 414. a first slot; 415. a threaded sleeve; 420. a female joint; 421. a second connector body; 4211. a limit step; 422. a fifth inner conductor; 4221. a jack; 4222. a second connection hole; 4223. a cavity; 423. a fifth outer conductor; 4231. a second sleeve; 424. a second slot; 425. a screw joint; 500. a top cover; 600. a metal connecting sleeve; 700. an antenna joint; 800. and a feed rod.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In order to solve the defects of longer integrated housing, inconvenient customization and high packaging, transportation and installation cost of the high-gain antenna in the prior art. In one embodiment of the present utility model, as shown in fig. 1 and 2, a segmented omni-directional antenna is provided comprising a plurality of radiating elements 100, at least one dipole 200, a housing 300, and a coaxial connection 400.

The plurality of radiating elements 100 are arranged in a straight line, and two adjacent radiating elements 100 are connected.

At least one dipole 200 is arranged between two of the radiating elements 100 and forms a linear array of elements with a plurality of radiating elements 100. Alternatively, dipole 200 is a half wavelength dipole. The dipole 200 comprises a first arm 210 and a second arm 220 of equal length, the first arm 210 and the second arm 220 being arranged apart along a straight line. The first arm 210 is connected to the radiating element 100 adjacent to the first arm 210 and the second arm 220 is connected to the radiating element 100 adjacent to the second arm 220.

The outer cover 300 is arranged around the vibrator linear array, and the outer cover 300 arranged around the vibrator 200 is disconnected and provided with a first opening end 310 and a second opening end 320. Optionally, the enclosure 300 is a glass fiber reinforced plastic enclosure 300.

The coaxial connector 400 includes a male connector 410 and a female connector 420, a first arm 210 and a first open end 310 are connected to the male connector 410, and a second arm 220 and a second open end 320 are connected to the female connector 420.

Wherein the male connector 410 and the female connector 420 are mated such that the first arm 210 is coupled to the second arm 220 and the first open end 310 is coupled to the second open end 320.

The sectional omni-directional antenna adopts sectional design, namely, dipoles 200 in a dipole linear array are disconnected into a first arm 210 and a second arm 220 with equal length, an outer cover 300 at the periphery of the dipoles 200 is disconnected to form a first opening end 310 and a second opening end 320, the first arm 210 is connected with the second arm 220 by butt joint of a male joint 410 and a female joint 420 of a coaxial connecting device 400, and the first opening end 310 is connected with the second opening end 320, so that the complete antenna is assembled.

Referring to fig. 2, the radiating elements 100 each include a third conductor tube 110 and a third feeder line 120 coaxially disposed within the third conductor tube 110, the third feeder line 120 including a third inner conductor 121 and a third outer conductor 122. Optionally, the first conductor tube, the second conductor tube and the third conductor tube are copper tubes or aluminum tubes.

Referring to fig. 2, the segmented omni-directional antenna further includes a top cover 500, a metal connection sleeve 600, an antenna joint 700, and a feed rod 800. The top cover 500 is capped on the top end of the housing 300 to close the top end of the housing 300. The metal connecting sleeve 600 is sleeved at the bottom end of the outer cover 300. The antenna joint 700 is provided on the metal connection sleeve 600. The feed rod 800 is built in the housing 300, one end of the feed rod 800 is connected to the antenna joint 700, and the other end of the feed rod 800 is connected to the first radiating element 100 located at the lower end of the linear array of elements, so that feeding is achieved through the antenna joint 700.

In some embodiments, referring to fig. 3-5, the first arm 210 includes a first conductor tube 211 and a first feed line 212, the first feed line 212 includes a first inner conductor 2121 and a first outer conductor 2122, the first outer conductor 2122 is coaxially disposed within the first conductor tube 211, and the first inner conductor 2121 extends through the first outer conductor 2122.

The second arm 220 includes a second conductor pipe 221 and a second feeder line 222, the second feeder line 222 includes a second inner conductor 2221 and a second outer conductor 2222, the second outer conductor 2222 is coaxially disposed within the second conductor pipe 221, and the second inner conductor 2221 is threaded through the second outer conductor 2222.

The male connector 410 includes a first connector body 411, a fourth inner conductor 412, and a fourth outer conductor 413, the first connector body 411 having a first slot 414, the fourth outer conductor 413 being disposed within the first connector body 411, the fourth inner conductor 412 being disposed at a center of the fourth outer conductor 413.

The female connector 420 includes a second connector body 421, a fifth inner conductor 422, and a fifth outer conductor 423, the second connector body 421 having a second slot 424, the fifth outer conductor 423 being disposed within the second connector body 421, the fifth inner conductor 422 being disposed at a center of the fifth outer conductor 423.

The first open end 310 is inserted into the first slot 414, the fourth outer conductor 413 is connected to the first outer conductor 2122, and the first inner conductor 2121 is connected to the fourth inner conductor 412.

The second open end 320 is inserted into the second slot 424, the fifth outer conductor 423 is connected to the second outer conductor 2222, and the second inner conductor 2221 is connected to the fifth inner conductor 422.

The male connector 410 and the female connector 420 are butted, the fourth inner conductor 412 is connected to the fifth inner conductor 422, and the fourth outer conductor 413 is connected to the fifth outer conductor 423.

Referring to fig. 3 to 5, the fourth inner conductor 412 has a pin 4121, and the fifth inner conductor 422 has a socket 4221, and the pin 4121 is inserted into the socket 4221 and forms a cavity 4223 at the end of the socket 4221 to perform butt feeding.

Referring to fig. 3 to 5, the fourth inner conductor 412 has a first connection hole 4122, the fifth inner conductor 422 has a second connection hole 4222, the first inner conductor 2121 is fixed to the first connection hole 4122, and the second inner conductor 2221 is fixed to the second connection hole 4222.

Referring to fig. 3 to 5, the fourth outer conductor 413 has a first sleeve 4131, the fifth outer conductor 423 has a second sleeve 4231, the first sleeve 4131 is sleeved with the first conductor pipe 211 and welded to the first outer conductor 2122, the second sleeve 4231 is sleeved with the second conductor pipe 221 and welded to the second outer conductor 2222, and symmetry of current distribution on both arms (the first arm 210 and the second arm 220) of the dipole 200 is ensured according to the transmission line principle.

Referring to fig. 3 to 5, a threaded sleeve 415 is disposed at one end of the first connector body 411, a threaded joint 425 is disposed at one end of the second connector body 421, and the threaded joint 425 is screwed into the threaded sleeve 415, so that the male connector 410 and the female connector 420 are in butt joint, and the structure after butt joint is firm.

Referring to fig. 3 to 5, the second joint body 421 is provided at its outer circumference with a limiting step 4211, and the limiting step 4211 is limited at an inlet end of the threaded sleeve 415 to be positioned during the screw-coupling assembly of the first joint body 411 and the second joint body 421, so as to ensure the consistency of the positions after the butt-joint.

In summary, the antenna has the characteristics of small volume, low cost, simple structure, high gain and the like, has the characteristics of split disassembly and assembly and high gain, meets the requirements of small volume and convenient carrying and installation, and is suitable for the requirements of directly installing the antenna for some small macro stations and equipment. The utility model can be used in the outdoor omnidirectional antenna with high gain, short outer cover and convenient installation and transportation, is suitable for transmitting and receiving in medium-short distance communication, has simple structure, can be assembled in sections as a whole, is convenient for package and transportation, is portable to install and has wide application environment. And the antenna is more advantageous in terms of functional division.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. A segmented omni-directional antenna, comprising:

2. The segmented omnidirectional antenna of claim 1, wherein the first arm includes a first conductor tube and a first feed line, the first feed line including a first inner conductor and a first outer conductor, the first outer conductor coaxially disposed within the first conductor tube, the first inner conductor passing through the first outer conductor;

3. The segmented omnidirectional antenna of claim 2, wherein the fourth inner conductor has a pin and the fifth inner conductor has a socket, the pin being inserted into the socket and forming a cavity at an end of the socket.

4. The segmented omnidirectional antenna of claim 2, wherein the fourth inner conductor has a first connection aperture and the fifth inner conductor has a second connection aperture, the first inner conductor being secured to the first connection aperture and the second inner conductor being secured within the second connection aperture.

5. The segmented omnidirectional antenna of claim 2, wherein the fourth outer conductor has a first sleeve and the fifth outer conductor has a second sleeve, the first sleeve surrounding the first conductor tube and being soldered to the first outer conductor, the second sleeve surrounding the second conductor tube and being soldered to the second outer conductor.

6. The segmented omnidirectional antenna of claim 2, wherein a threaded sleeve is provided at one end of the first connector body and a threaded connector is provided at one end of the second connector body, the threaded connector being threaded into the threaded sleeve to interface the male connector and the female connector.

7. The segmented omnidirectional antenna of claim 6, wherein the outer perimeter of the second connector body is provided with a limiting step, the limiting step being located at the inlet end of the threaded sleeve.

8. The segmented omni-directional antenna of any one of claims 1 to 7, wherein the dipoles are half wavelength dipoles.

9. The segmented omni-directional antenna of any one of claims 1 to 7, wherein the radiating elements each comprise a third conductor tube and a third feed line coaxially disposed within the third conductor tube, the third feed line comprising a third inner conductor and a third outer conductor.

10. The segmented omni-directional antenna of any one of claims 1 to 7, further comprising:

the top cover is covered at the top end of the outer cover;

the metal connecting sleeve is sleeved at the bottom end of the outer cover;

the antenna connector is arranged on the metal connecting sleeve; and