阅读说明：本技术 一种空气隙宽带双极化天线 (Air-gap broadband dual-polarized antenna ) 是由 刘巍滟 刘类英 冯愉 刘力 于 2020-05-15 设计创作，主要内容包括：本发明公开了一种空气隙宽带双极化天线,包括盒体,该盒体内设有天线本体和底板,所述天线本体为壳体结构,所述天线本体的底部具有连接所述底板的连接板,所述天线本体的顶部为平行于底板的第一辐射单元,所述底板上向上弯折有第二辐射单元,所述天线本体的侧部向其内侧弯折有第三辐射单元,所述第一辐射单元、第二辐射单元和第三辐射单元相互平行,所述第三辐射单元、第二辐射单元和第一辐射单元沿远离所述底板的方向依次设置,所述第三辐射单元的宽度小于第二辐射单元的宽度,所述第二辐射单元的宽度小于第一辐射单元的宽度；所述天线本体的信号输入端连接有射频传输线的一端,所述射频传输线的另一端延伸出所述盒体。(The invention discloses an air-gap broadband dual-polarized antenna, which comprises a box body, wherein an antenna body and a bottom plate are arranged in the box body, the antenna body is of a shell structure, a connecting plate connected with the bottom plate is arranged at the bottom of the antenna body, a first radiation unit parallel to the bottom plate is arranged at the top of the antenna body, a second radiation unit is bent upwards on the bottom plate, a third radiation unit is bent towards the inner side of the side part of the antenna body, the first radiation unit, the second radiation unit and the third radiation unit are parallel to each other, the third radiation unit, the second radiation unit and the first radiation unit are sequentially arranged along the direction far away from the bottom plate, the width of the third radiation unit is smaller than that of the second radiation unit, and the width of the second radiation unit is smaller than that of the first radiation unit; the signal input end of the antenna body is connected with one end of a radio frequency transmission line, and the other end of the radio frequency transmission line extends out of the box body.)

1. An air-gap broadband dual-polarized antenna is characterized by comprising a box body, wherein the box body comprises a base, a bottom plate is arranged on the base, two antenna bodies which are distributed in a mirror symmetry mode are arranged on the bottom plate, the antenna bodies and the bottom plate are made of copper-clad materials, and a cover plate covering the antenna bodies and the bottom plate is arranged on the base; the antenna body is of a shell structure, a connecting plate connected with the bottom plate is arranged at the bottom of the antenna body, a first radiation unit parallel to the bottom plate is arranged at the top of the antenna body, a second radiation unit is bent towards one side, away from the base, of the bottom plate, a third radiation unit is bent towards the inner side of the side portion of the antenna body, the first radiation unit, the second radiation unit and the third radiation unit are parallel to each other, the third radiation unit, the second radiation unit and the first radiation unit are sequentially arranged along the direction far away from the bottom plate, the width of the third radiation unit is smaller than that of the second radiation unit, and the width of the second radiation unit is smaller than that of the first radiation unit; the signal input end of the antenna body is connected with one end of a radio frequency transmission line, and the other end of the radio frequency transmission line extends out of the box body.

2. The air-gap broadband dual polarized antenna of claim 1, wherein a pillar is disposed between the first radiating element and the bottom plate.

3. The air-gap broadband dual polarized antenna according to claim 2, wherein the first radiating element is provided with an opening in the middle.

4. The air-gap broadband dual-polarized antenna as claimed in claim 3, wherein a connecting column is arranged on one side of the base far away from the bottom plate, the radio frequency transmission line penetrates through the connecting column, and a regulating plate is connected to the connecting column in a threaded mode.

Technical Field

The invention relates to the field of indoor communication, in particular to an air-gap broadband dual-polarized antenna.

Background

At present, the antenna used in indoor 5G signal communication has the defects of large volume, difficult processing and high cost, and the traditional 5G antenna has low radiation efficiency and cannot ensure the broadband property of the antenna.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an air-gap broadband dual-polarized antenna which adopts a one-step forming process, is easy to process, convenient to produce and low in cost, air gaps are arranged between all levels of radiating elements, the relative dielectric constant between two layers of radiating elements is reduced, stray wave crosstalk between all the radiating elements is inhibited, and the antenna has high frequency and broadband properties.

In order to achieve the purpose, the invention adopts the technical scheme that:

an air gap broadband dual-polarized antenna comprises a box body, wherein the box body comprises a base, a bottom plate is arranged on the base, two antenna bodies which are distributed in a mirror symmetry mode are arranged on the bottom plate, the antenna bodies and the bottom plate are made of copper-clad materials, and a cover plate covering the antenna bodies and the bottom plate is arranged on the base; the antenna body is of a shell structure, a connecting plate connected with the bottom plate is arranged at the bottom of the antenna body, a first radiation unit parallel to the bottom plate is arranged at the top of the antenna body, a second radiation unit parallel to the bottom plate is bent towards one side of the bottom plate, which is away from the base, a third radiation unit is bent towards the inner side of the side part of the antenna body, the first radiation unit, the second radiation unit and the third radiation unit are parallel to each other, the third radiation unit, the second radiation unit and the first radiation unit are sequentially arranged along the direction away from the bottom plate, the width of the third radiation unit is smaller than that of the second radiation unit, and the width of the second radiation unit is smaller than that of the first radiation unit; the signal input end of the antenna body is connected with one end of a radio frequency transmission line, and the other end of the radio frequency transmission line extends out of the box body.

The dual-polarized antenna is formed by arranging the two antenna bodies in a mirror symmetry manner, the antenna bodies are integrally punched and formed, the dual-polarized antenna is convenient to process and low in cost, all levels of radiation units on the antenna bodies are arranged in a height progressive ladder mode, and air gaps are formed between the radiation units and the bottom plate and between the radiation units, so that the relative dielectric constant between the two layers of radiation units is reduced, stray wave crosstalk between the radiation units is inhibited, and the antenna has high frequency and broadband.

Preferably, a support is arranged between the first radiation unit and the bottom plate, so that the antenna body is fixed, and the stability of the structure of the antenna body is ensured.

Preferably, the first radiating unit is provided with an opening in the middle, so that on one hand, the use of unnecessary materials can be reduced, and meanwhile, the stray wave crosstalk between radiating units of different levels can be reduced.

Preferably, the base is kept away from one side of bottom plate is equipped with has the spliced pole, the radio frequency transmission line passes the spliced pole, threaded connection has the regulating plate on the spliced pole, and the setting of spliced pole and regulating plate is convenient to hoist and mount this antenna on the ceiling, and simultaneously, the top of ceiling is drawn forth by the spliced pole to the radio frequency transmission line, has realized walking the line above the ceiling, has increased the disguised of antenna, makes its indoor environment that can be better melt.

The invention has the beneficial effects that:

1. the dual-polarized antenna is formed by arranging the two antenna bodies in a mirror symmetry manner, the antenna bodies are integrally punched and formed, the dual-polarized antenna is convenient to process and low in cost, all levels of radiation units on the antenna bodies are arranged in a height progressive ladder mode, and air gaps are formed between the radiation units and the bottom plate and between the radiation units, so that the relative dielectric constant between the two layers of radiation units is reduced, stray wave crosstalk between the radiation units is inhibited, and the antenna has high frequency and broadband.

2. The first radiating element and the supporting column are arranged between the bottom plates, so that the antenna body is favorably fixed, and the stability of the structure of the antenna body is ensured.

3. The opening is arranged in the middle of the first radiating unit, so that on one hand, the use of unnecessary materials can be reduced, and meanwhile, the stray wave crosstalk between radiating units at all levels can be reduced.

4. The arrangement of the connecting column and the adjusting plate facilitates the antenna to be hung on a ceiling, and meanwhile, the radio frequency transmission line is led out from the connecting column to the upper side of the ceiling, so that wiring above the ceiling is achieved, the concealment of the antenna is improved, and the antenna can be better integrated into an indoor environment.

Drawings

Fig. 1 is a schematic structural diagram of an air-gap broadband dual-polarized antenna according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of the air-gap broadband dual-polarized antenna according to the embodiment of the present invention;

fig. 3 is a side view of an antenna body according to an embodiment of the present invention.

Description of reference numerals:

1. a cover plate; 2. a base; 3. a radio frequency transmission line; 4. connecting columns; 5. an adjusting plate; 6. an antenna body; 601. a first radiation unit; 602. a second radiation unit; 603. a third radiation unit; 604. an opening; 7. a base plate; 8. and a support pillar.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.