CN207398355U - Improve the antenna for base station of isolation - Google Patents
Improve the antenna for base station of isolation Download PDFInfo
- Publication number
- CN207398355U CN207398355U CN201721509773.8U CN201721509773U CN207398355U CN 207398355 U CN207398355 U CN 207398355U CN 201721509773 U CN201721509773 U CN 201721509773U CN 207398355 U CN207398355 U CN 207398355U
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- CN
- China
- Prior art keywords
- substrate
- isolation
- antenna
- dual polarization
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of antenna for base station for improving isolation, including reflecting plate, the first dual polarization vibrator and isolation structure；Reflecting plate has substrate；There is first dual polarization vibrator the first pedestal and four the first oscillator arms, the first pedestal to be fixed on substrate, and four the first oscillator arms extend out from the first pedestal respectively.Isolation structure has four groups of dielectric rods, four groups of dielectric rods are arranged at equal intervals around the first dual polarization vibrator, every group of dielectric rod has at least one dielectric rod, one end of dielectric rod is fixed on substrate, and the end of the other end of dielectric rod is more than the distance between the first oscillator arms and substrate to the distance between substrate.Since the antenna for base station of the utility model raising isolation around the first dual polarization vibrator by setting four groups of dielectric rods, so as to change the medium parameter that the utility model improves the antenna for base station of isolation, and then isolation is improved.
Description
Technical field
The utility model is related to antcnnas manufacturing technology field more particularly to a kind of antenna for base station for improving isolation.
Background technology
With the fast development of mobile broadband, influence of the antenna for base station to network performance or even user experience is increasing.
Antenna for base station generally includes reflecting plate, the dual polarization vibrator being fixed on reflecting plate and to dual polarization vibrator feed-in
The port of signal.Isolation index in the parameter index of antenna for base station is reaction antenna for base station one critically important finger of performance
How mark, improve the important topic that the isolation of antenna for base station is antenna design techniques field.
Utility model content
The purpose of this utility model is to provide a kind of antenna for base station for improving isolation, it is intended to improve isolation.
In order to realize the purpose of this utility model, the utility model provides a kind of antenna for base station for improving isolation, including
Reflecting plate, the first dual polarization vibrator and isolation structure；Reflecting plate has substrate；First dual polarization vibrator have the first pedestal and
Four the first oscillator arms, the first pedestal are fixed on substrate, and four the first oscillator arms extend out from the first pedestal respectively.Every
There are four groups of dielectric rods from structure, four groups of dielectric rods are arranged at equal intervals around the first dual polarization vibrator, every group of dielectric rod
With at least one dielectric rod, one end of dielectric rod is fixed on substrate, and the end of the other end of dielectric rod is between substrate
Distance be more than the distance between the first oscillator arms and substrate.
The improvement of antenna for base station as above-mentioned raising isolation, the antenna for base station of the raising isolation further include second pair
Polarize oscillator, in the nested setting of first dual polarization vibrator and the second dual polarization vibrator；Second dual polarization vibrator has
One second pedestal and four the second oscillator arms, the second pedestal are fixed on substrate, the second oscillator arms have from the second pedestal to
Two support arms to extend out outside, the end of two support arms, which is bent, extends to form a radiation arm, and radiation arm is located at the first oscillator
The periphery of arm.
Antenna for base station as above-mentioned raising isolation is further improved, and the distance between the radiation arm and substrate are big
In the distance between the first oscillator arms and substrate.
Antenna for base station as above-mentioned raising isolation is further improved, and the dielectric rod is located at corresponding second oscillator arms
Two support arms between.
Antenna for base station as above-mentioned raising isolation is further improved, the dielectric rod with being fixed on substrate
The opposite other end in one end is between the first oscillator arms of the first dual polarization vibrator and the radiation arm of the second dual polarization vibrator.
Antenna for base station as above-mentioned raising isolation is further improved, the dielectric rod with being fixed on substrate
The end of the opposite other end in one end is to the distance between substrate also greater than the distance between radiation arm and substrate.
Since the utility model improves the antenna for base station of isolation by setting four groups around the first dual polarization vibrator
Dielectric rod so as to change the medium parameter that the utility model improves the antenna for base station of isolation, and then improves isolation.
Description of the drawings
Fig. 1 is the three-dimensional combination for the antenna for base station that the utility model improves isolation；
Fig. 2 is sectional views of the Fig. 1 along line A-A.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Technical solution described in the utility model is described in further detail in the following with reference to the drawings and specific embodiments, with
Those skilled in the art is allow to be better understood from the utility model and can be practiced, but illustrated embodiment is not as to this
The restriction of utility model.
Referring to Fig. 1, a preferred embodiment of the antenna for base station of isolation is improved there is disclosed the utility model.In this reality
Apply in example, improve isolation antenna for base station include reflecting plate 10, the first dual polarization vibrator 20, the second dual polarization vibrator 30 and
Isolation structure 40.
Reflecting plate 10 is made of metal material, have one in direction substrate 11 and extended vertically from 11 edge of substrate
Side wall 12 out.
Please refer to Fig.1 and Fig. 2, the first dual polarization vibrator 20 is high-frequency bipolar oscillator, frequency range for 1710~
2700MHz.First dual polarization vibrator 20 has one first pedestal 21 and four the first oscillator arms 22.First pedestal 21 is fixed on
On substrate 11.Four the first oscillator arms 22 extend out from the first pedestal 21 respectively, and four the first oscillator arms 22 are in just
Direction.In the present embodiment, four 22 square arrangements of the first oscillator arms, that is, four the first oscillator arms 22 are whole as one
Body is square.
Second dual polarization vibrator 30 is low frequency dual polarization vibrator, and frequency range is 806~960MHz.Second dual polarization
Oscillator 30 and the 20 nested setting of the first dual polarization vibrator, have one second pedestal 31 and four the second oscillator arms 32.Second base
Seat 31 in a ring, is fixed on the substrate 11 and the first pedestal of ring set 21 is set.Second oscillator arms 32 have from the second pedestal 31
Two support arms 321 that are upper outside and upwardly extending out.The end of two support arms 321 respectively extends towards and forms a radiation
Arm 322.Radiation arm 322 is located at the periphery of the first oscillator arms 22, so that parallel between 322 and first oscillator arms 22 of radiation arm
There are certain distance in the plane of substrate 11, and then 20 nesting of the first dual polarization vibrator is made to be arranged on the second dual polarization vibrator 30
It is interior.In the present embodiment, the distance between radiation arm 322 and substrate 11 be more than between the first oscillator arms 22 and substrate 11 away from
From.
Isolation structure 40 has four groups of dielectric rods 41, and four groups of dielectric rods 41 are arranged on the first dual polarization vibrator 20 at equal intervals
Around.Every group of dielectric rod 41 has at least one dielectric rod.In the present embodiment, in every group of dielectric rod 41 dielectric rod quantity
For one, and one end of each dielectric rod 41 be each attached on substrate 11 and positioned at the second oscillator arms 32 two support arms 321 it
Between.The other end of each dielectric rod 41 is respectively positioned on the first oscillator arms 22 and the second dual polarization vibrator 30 of the first dual polarization vibrator 20
Radiation arm 322 between, and the end is more than the distance between radiation arm 322 and substrate 11 to the distance between substrate 11.
Since the antenna for base station that the utility model improves isolation sets four groups of Jie around the first dual polarization vibrator 20
Matter stick 41 so as to change the medium parameter that the utility model improves the antenna for base station of isolation, and then improves isolation.Through
Overtesting shows that the isolation parameter index of the antenna for base station of the utility model raising isolation can improve 2~5dB, and this reality
3dB, voltage standing wave(VSW) can be improved with the convergence parameter index of the horizontal plane beam angle of the antenna for base station of new raising isolation
0.1~0.2 can be reduced than parameter index.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of antenna for base station for improving isolation, including reflecting plate, the first dual polarization vibrator and isolation structure；Reflecting plate has
There is substrate；There is first dual polarization vibrator the first pedestal and four the first oscillator arms, the first pedestal to be fixed on substrate, four the
One oscillator arms extend out from the first pedestal respectively；
It is characterized in that：Isolation structure has four groups of dielectric rods, and four groups of dielectric rods are arranged on the first dual polarization vibrator at equal intervals
Around, every group of dielectric rod has at least one dielectric rod, and one end of dielectric rod is fixed on substrate, and the other end of dielectric rod
End be more than the distance between the first oscillator arms and substrate to the distance between substrate.
2. the antenna for base station of isolation is improved as described in claim 1, it is characterised in that：The second dual polarization vibrator is further included,
In the nested setting of first dual polarization vibrator and the second dual polarization vibrator；Second dual polarization vibrator has one second pedestal
With four the second oscillator arms, the second pedestal is fixed on substrate, and the second oscillator arms have to be extended outward from the second pedestal
Two support arms, the end of two support arms, which is bent, extends to form a radiation arm, and radiation arm is located at the periphery of the first oscillator arms.
3. the antenna for base station of isolation is improved as claimed in claim 2, it is characterised in that：Between the radiation arm and substrate
Distance is more than the distance between the first oscillator arms and substrate.
4. the antenna for base station of isolation is improved as claimed in claim 2, it is characterised in that：The dielectric rod is located at corresponding second
Between two support arms of oscillator arms.
5. the antenna for base station of isolation is improved as claimed in claim 4, it is characterised in that：The dielectric rod with being fixed on base
The opposite other end in one end on plate is located at the first oscillator arms of the first dual polarization vibrator and the radiation arm of the second dual polarization vibrator
Between.
6. the antenna for base station of isolation is improved as claimed in claim 5, it is characterised in that：The dielectric rod with being fixed on base
The end of the opposite other end in one end on plate is to the distance between substrate also greater than the distance between radiation arm and substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509773.8U CN207398355U (en) | 2017-11-13 | 2017-11-13 | Improve the antenna for base station of isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509773.8U CN207398355U (en) | 2017-11-13 | 2017-11-13 | Improve the antenna for base station of isolation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398355U true CN207398355U (en) | 2018-05-22 |
Family
ID=62326151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509773.8U Expired - Fee Related CN207398355U (en) | 2017-11-13 | 2017-11-13 | Improve the antenna for base station of isolation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398355U (en) |
-
2017
- 2017-11-13 CN CN201721509773.8U patent/CN207398355U/en not_active Expired - Fee Related
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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: 20180522 Termination date: 20191113 |