CN207217767U - A kind of straight line feeds Bipolarization antenna for base station - Google Patents
A kind of straight line feeds Bipolarization antenna for base station Download PDFInfo
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- CN207217767U CN207217767U CN201720822543.0U CN201720822543U CN207217767U CN 207217767 U CN207217767 U CN 207217767U CN 201720822543 U CN201720822543 U CN 201720822543U CN 207217767 U CN207217767 U CN 207217767U
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- straight line
- base station
- feed
- antenna
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Abstract
A kind of straight line feed Bipolarization antenna for base station is the utility model is related to, including：Medium substrate, its lower surface have been set at 90 ° intervals 4 radiating elements in a circumferential direction；Its upper surface has been set at 90 ° intervals two feed elements in a circumferential direction, and each feed element is correspondingly arranged the top for two radiating elements for being spaced 180 ° in a circumferential direction；Two feed elements are intersected in the position at the center of 4 radiating elements；One in two feed elements, depression is provided with the position at the center of 4 radiating elements, to avoid being connected with another feed element；Reflecting plate, it is arranged on the lower section of medium substrate；Two coaxial cables, its lower end are connected with reflecting plate respectively；Its upper end is connected with two feed elements respectively.Straight line feed Bipolarization antenna for base station of the present utility model uses straight line feed structure, can effectively adjust the impedance matching of antenna, improve the impedance bandwidth of antenna, and impedance bandwidth is reached 40%.
Description
Technical field
A kind of antenna for base station is the utility model is related to, more particularly to a kind of straight line feed Bipolarization antenna for base station.
Background technology
Antenna for base station is a kind of basic facilities of communication, can be divided into city, dense city, suburb, rural area, traffic are done
The type of line five.
The parameter index change of antenna changes in some frequency range, is referred to as the band that the frequency range is antenna
It is wide.The broadband of antenna for base station has become a primary study side of the current domestic and foreign scholars for antenna for base station field
To.There is a kind of L-shaped couple feed structure in the prior art, there is a gap between its terminal horizontal part and radiation patch, and
Capacitance characteristic can be presented in this gap again, so as to offset the inductance of probe in itself.But the impedance bandwidth of the antenna is only
32%.
Utility model content
The utility model will solve technical problem of the prior art, there is provided a kind of straight line feeds Bipolarization 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 straight line feeds Bipolarization antenna for base station, including：
Medium substrate, its lower surface have been set at 90 ° intervals 4 radiating elements in a circumferential direction；Its upper surface is in circumference
Two feed elements are set at 90 ° intervals on direction, each feed element is correspondingly arranged the two of 180 ° of interval in a circumferential direction
The top of individual radiating element；Two feed elements are intersected in the position at the center of 4 radiating elements；One in two feed elements
It is individual, depression is provided with the position at the center of 4 radiating elements, to avoid being connected with another feed element；
Reflecting plate, it is arranged on the lower section of medium substrate；
Two coaxial cables, its lower end are connected with reflecting plate respectively；Its upper end is connected with two feed elements respectively.
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 0.9mm.
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 every a pair of rectilinear directions is all corresponding centre frequency
Half-wavelength.
The utility model has following beneficial effect：
Straight line feed Bipolarization antenna for base station of the present utility model uses straight line feed structure, can effectively adjust antenna
Impedance matching, improve the impedance bandwidth of antenna, and impedance bandwidth is reached 40%.
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 that straight line of the present utility model feeds Bipolarization antenna for base station.
Fig. 2 is the structural representation of the radiating element in the straight line feed Bipolarization antenna for base station shown in Fig. 1；
Fig. 3 is the structural representation of the feeder line in the straight line feed Bipolarization 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- is recessed.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Straight line of the present utility model feeds Bipolarization antenna for base station, including：Four fan-shaped radiating elements 1, medium substrate
2, two feed elements 4, two coaxial cables 3 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 0.9mm 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 2.4 radiating elements 1 are being situated between
The lower surface of matter substrate 2 is set at 90 ° intervals in a circumferential direction；Two feed elements 4 are in the upper surface of medium substrate 2 in circumferencial direction
On be set at 90 ° intervals, each feed element 4 be correspondingly arranged in a circumferential direction be spaced 180 ° two radiating elements 1 top；
Two feed elements 4 are intersected in the position at the center of 4 radiating elements 1；It is one in two feed elements 4, single in 4 radiation
The position at the center of member 1 is provided with depression 6, to avoid being connected with another feed element 4.
Straight line of the present utility model feeds Bipolarization antenna for base station, and radiating element 4 can be increased using fan-shaped grading structure
The bandwidth of antenna for base station, this four fan beam units 1 constitute+45 ° of poliarizing antennas and -45 ° of poliarizing antennas.Often
The original dimension of radiating element 1 in a pair of rectilinear directions is all the half-wavelength of corresponding centre frequency.In present embodiment,
Above-mentioned centre frequency is 2.4GHz.
Straight line of the present utility model feeds Bipolarization antenna for base station, and the simulation value of standing-wave ratio is in 1.71-2.71GHz frequency ranges
Meet SWR<1.8, and meet SWR in 1.70-2.75GHz frequency ranges<1.7；The test value of standing-wave ratio is in frequency range 1.70-
Meet that standing-wave ratio test value meets SWR in 2.75GHz<1.6.Gain simulation value in 1.70-2.75GHz frequency ranges for 7.6 ±
0.64dBi, the test value of gain 1.2dBi smaller than simulation value or so in frequency band.
Straight line feed Bipolarization antenna for base station of the present utility model uses straight line feed structure, can effectively adjust antenna
Impedance matching, improve the impedance bandwidth of antenna so that impedance bandwidth reaches 40%.
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 (6)
1. a kind of straight line feeds Bipolarization antenna for base station, it is characterised in that including：
Medium substrate (2), its lower surface have been set at 90 ° intervals 4 radiating elements (1) in a circumferential direction；Its upper surface is in circle
Two feed elements (4) are set at 90 ° intervals in circumferential direction, each feed element (4) is correspondingly arranged to be spaced in a circumferential direction
The top of 180 ° of two radiating elements (1)；Two feed elements (4) are intersected in the position at the center of 4 radiating elements (1)；
One in two feed elements (4), the position at the center of 4 radiating elements (1) be provided with depression (6), with avoid with it is another
Individual feed element (4) is connected；
Reflecting plate (5), it is arranged on the lower section of medium substrate (2)；
Two coaxial cables (3), its lower end are connected with reflecting plate (5) respectively；Its upper end respectively with two feed element (4) phases
Even.
2. straight line according to claim 1 feeds Bipolarization antenna for base station, it is characterised in that the radiating element (1)
It is shaped as sector.
3. straight line according to claim 1 feeds Bipolarization antenna for base station, it is characterised in that the medium substrate (2)
Material is FR4.
4. straight line according to claim 1 feeds Bipolarization antenna for base station, it is characterised in that the medium substrate (2)
Thickness is 0.9mm.
5. straight line according to claim 1 feeds Bipolarization antenna for base station, it is characterised in that the reflecting plate (5) is circle
Shape.
6. straight line according to claim 1 feeds Bipolarization antenna for base station, it is characterised in that in every a pair of rectilinear directions
The original dimension of radiating element (1) is all the half-wavelength of corresponding centre frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822543.0U CN207217767U (en) | 2017-07-07 | 2017-07-07 | A kind of straight line feeds Bipolarization antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822543.0U CN207217767U (en) | 2017-07-07 | 2017-07-07 | A kind of straight line feeds Bipolarization antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217767U true CN207217767U (en) | 2018-04-10 |
Family
ID=61812660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822543.0U Expired - Fee Related CN207217767U (en) | 2017-07-07 | 2017-07-07 | A kind of straight line feeds Bipolarization antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103633A (en) * | 2020-11-17 | 2020-12-18 | 常州仁千电气科技股份有限公司 | Cross oscillator antenna based on skynet frequency band and manufacturing method thereof |
-
2017
- 2017-07-07 CN CN201720822543.0U patent/CN207217767U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103633A (en) * | 2020-11-17 | 2020-12-18 | 常州仁千电气科技股份有限公司 | Cross oscillator antenna based on skynet frequency band and manufacturing method thereof |
| CN112103633B (en) * | 2020-11-17 | 2021-02-02 | 常州仁千电气科技股份有限公司 | Cross oscillator antenna based on skynet frequency band and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190707 |