CN207217786U - A kind of T-shaped coupled monopole antenna for base station - Google Patents
A kind of T-shaped coupled monopole antenna for base station Download PDFInfo
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- CN207217786U CN207217786U CN201720822614.7U CN201720822614U CN207217786U CN 207217786 U CN207217786 U CN 207217786U CN 201720822614 U CN201720822614 U CN 201720822614U CN 207217786 U CN207217786 U CN 207217786U
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- base station
- monopole antenna
- shaped
- antenna
- shaped coupled
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Abstract
A kind of T-shaped coupled monopole antenna for base station is the utility model is related to, including：Medium substrate, its lower surface are spaced 180 ° and are provided with 2 radiating elements in a circumferential direction；Its upper surface is provided with feed element, and feed element is correspondingly arranged at the top of two radiating elements；Reflecting plate, it is arranged on the lower section of medium substrate；Coaxial cable, its lower end are connected with reflecting plate respectively；Its upper end is connected with feed element.T-shaped coupled monopole antenna for base station of the present utility model uses T-shaped feed structure, can effectively adjust the impedance matching of antenna, improve the impedance bandwidth of antenna, and impedance bandwidth is reached 38%.
Description
Technical field
A kind of antenna for base station is the utility model is related to, more particularly to a kind of T-shaped coupled monopole antenna for base station.
Background technology
In mobile radio communication engineering design, it should according to the covering requirement of network, telephone traffic distribution, it is anti-interference requirement and
The actual conditions such as network service quality reasonably select antenna for base station.
The broadband of antenna for base station has become current domestic and foreign scholars and ground for an emphasis in antenna for base station field
Study carefully direction.There is a kind of L-shaped couple feed structure in the prior art, there is a seam between its terminal horizontal part and radiation patch
Gap, and capacitance characteristic can be presented in this gap, so as to offset the inductance of probe in itself.But the impedance bandwidth of the antenna is only
For 32%.
Utility model content
The utility model will solve technical problem of the prior art, there is provided a kind of T-shaped coupled monopole antenna for base station.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is specific as follows：
A kind of T-shaped coupled monopole antenna for base station, including：
Medium substrate, its lower surface are spaced 180 ° and are provided with 2 radiating elements in a circumferential direction；Its upper surface is provided with
Feed element, feed element are correspondingly arranged at the top of two radiating elements；
Reflecting plate, it is arranged on the lower section of medium substrate；
Coaxial cable, its lower end are connected with reflecting plate respectively；Its upper end is connected with feed element.
In the above-mentioned technical solutions, the radiating element is shaped as sector.
In the above-mentioned technical solutions, the material of the medium substrate is FR4.
In the above-mentioned technical solutions, the thickness of the medium substrate is 0.8mm.
In the above-mentioned technical solutions, the reflecting plate is circle.
In the above-mentioned technical solutions, the original dimension of the radiating element in a pair of rectilinear directions is the half of corresponding centre frequency
Wavelength.
In the above-mentioned technical solutions, feed element is provided with a T-shaped end.
The utility model has following beneficial effect：
T-shaped coupled monopole antenna for base station of the present utility model uses T-shaped feed structure, can effectively adjust antenna
Impedance matching, improves the impedance bandwidth of antenna, and impedance bandwidth is reached 38%.
T-shaped coupled monopole antenna for base station of the present utility model uses couple feed structure, it is possible to reduce the solder joint of antenna
Quantity, so as to reduce the passive intermodulation distortion of antenna.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of T-shaped coupled monopole antenna for base station of the present utility model.
Fig. 2 is the structural representation of the radiating element in the T-shaped coupled monopole antenna for base station shown in Fig. 1；
Reference in figure is expressed as：
1- radiating elements；2- medium substrates；3- coaxial cables；4- feed elements；5- reflecting plates；6-T shapes end.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
T-shaped coupled monopole antenna for base station of the present utility model, including：2 fan-shaped radiating elements 1, medium substrate 2,1
Individual 4,1 coaxial cable 3 of feed element and circular reflecting plate 5.
Wherein, the reflecting plate 5 below medium substrate 2 can realize stable directed radiation, so as to increase the gain of antenna.
Radiating element 1 and feed element 4 are respectively positioned at relative thickness 0.8mm up and down on two surfaces of FR4 medium substrates 2.Radiation
Unit 1 is located at the lower surface of medium substrate 2, and feed element 4 is located at the upper surface of medium substrate 2.2 radiating elements 1 are being situated between
The lower surface of matter substrate 2 is spaced 180 ° of settings in a circumferential direction；Feed element 4 is correspondingly arranged at the top of two radiating elements 1；
Feed element 4 is provided with a T-shaped end 6.
T-shaped coupled monopole antenna for base station of the present utility model, radiating element 1 can increase base using fan-shaped grading structure
The bandwidth of station antenna, this 2 fan beam units 1 constitute 45 ° of poliarizing antennas.Radiating element in a pair of rectilinear directions
1 original dimension is all the half-wavelength of corresponding centre frequency.In present embodiment, above-mentioned centre frequency is 2.5GHz.
T-shaped coupled monopole antenna for base station of the present utility model, the simulation value of standing-wave ratio are full in 1.6-2.8GHz frequency ranges
Sufficient SWR<1.8, and meet SWR in 1.7-2.7GHz frequency ranges<1.7；The test value of standing-wave ratio is full in frequency range 1.7-2.7GHz
Sufficient standing-wave ratio test value meets SWR<1.7.Gain simulation value is 10.6 ± 0.58dBi in 1.7-2.7GHz frequency ranges, gain
Test value 1.8dBi smaller than simulation value or so in frequency band.
T-shaped coupled monopole antenna for base station of the present utility model uses T-shaped feed structure, can effectively adjust antenna
Impedance matching, improve the impedance bandwidth of antenna so that impedance bandwidth reaches 38%.
T-shaped coupled monopole antenna for base station of the present utility model uses couple feed structure, it is possible to reduce the solder joint of antenna
Quantity, so as to reduce the passive intermodulation distortion of antenna.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (7)
- A kind of 1. T-shaped coupled monopole antenna for base station, it is characterised in that including：Medium substrate (2), its lower surface are spaced 180 ° and are provided with 2 radiating elements (1) in a circumferential direction；Its upper surface is set There is feed element (4), feed element (4) is correspondingly arranged at the top of two radiating elements (1)；Reflecting plate (5), it is arranged on the lower section of medium substrate (2)；Coaxial cable (3), its lower end are connected with reflecting plate (5) respectively；Its upper end is connected with feed element (4).
- 2. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that the shape of the radiating element (1) Shape is sector.
- 3. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that the material of the medium substrate (2) Expect for FR4.
- 4. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that the thickness of the medium substrate (2) Spend for 0.8mm.
- 5. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that the reflecting plate (5) is circle Shape.
- 6. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that the spoke in a pair of rectilinear directions The original dimension for penetrating unit (1) is the half-wavelength of corresponding centre frequency.
- 7. T-shaped coupled monopole antenna for base station according to claim 1, it is characterised in that feed element (4) is provided with one T-shaped end (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822614.7U CN207217786U (en) | 2017-07-07 | 2017-07-07 | A kind of T-shaped coupled monopole antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822614.7U CN207217786U (en) | 2017-07-07 | 2017-07-07 | A kind of T-shaped coupled monopole antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217786U true CN207217786U (en) | 2018-04-10 |
Family
ID=61812688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822614.7U Expired - Fee Related CN207217786U (en) | 2017-07-07 | 2017-07-07 | A kind of T-shaped coupled monopole antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768000A (en) * | 2019-09-27 | 2020-02-07 | 宁波大学 | Ultrahigh frequency RFID (radio frequency identification) tag antenna for wirelessly measuring dielectric constant |
| CN110943306A (en) * | 2019-12-27 | 2020-03-31 | 昆山瀚德通信科技有限公司 | Single-polarized antenna |
| CN111129762A (en) * | 2020-02-20 | 2020-05-08 | 常州仁千电气科技股份有限公司 | Circular polarized antenna with planar structure |
-
2017
- 2017-07-07 CN CN201720822614.7U patent/CN207217786U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768000A (en) * | 2019-09-27 | 2020-02-07 | 宁波大学 | Ultrahigh frequency RFID (radio frequency identification) tag antenna for wirelessly measuring dielectric constant |
| CN110768000B (en) * | 2019-09-27 | 2020-12-01 | 宁波大学 | Ultrahigh frequency RFID (radio frequency identification) tag antenna for wirelessly measuring dielectric constant |
| CN110943306A (en) * | 2019-12-27 | 2020-03-31 | 昆山瀚德通信科技有限公司 | Single-polarized antenna |
| CN110943306B (en) * | 2019-12-27 | 2024-05-24 | 昆山瀚德通信科技有限公司 | Single-polarized antenna |
| CN111129762A (en) * | 2020-02-20 | 2020-05-08 | 常州仁千电气科技股份有限公司 | Circular polarized antenna with planar structure |
| CN111129762B (en) * | 2020-02-20 | 2022-12-27 | 常州仁千电气科技股份有限公司 | Circular polarized antenna with planar structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |