CN208460982U - A kind of millimeter wave dual polarization radiating guide - Google Patents
A kind of millimeter wave dual polarization radiating guide Download PDFInfo
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- CN208460982U CN208460982U CN201820942282.0U CN201820942282U CN208460982U CN 208460982 U CN208460982 U CN 208460982U CN 201820942282 U CN201820942282 U CN 201820942282U CN 208460982 U CN208460982 U CN 208460982U
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- feed probes
- body unit
- waveguide cavity
- dual polarization
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Abstract
A kind of millimeter wave dual polarization radiating guide, including pedestal and the dual polarization waveguiding structure being fixed on the base, the dual polarization waveguiding structure includes the square rectangular body unit in two sections, the rectangular-shape groove that section is square is offered at the top of rectangular body unit forms waveguide cavity, a feed probes are respectively equipped in the wherein adjacent two side walls of rectangular body unit, wherein one end of feed probes penetrates in waveguide cavity, feed probes, which are located on one end on the outside of waveguide cavity, is connected with connector, two feed probes that feed probes are located on waveguide cavity bottom and same rectangular body unit are mutually perpendicular to, waveguide cavity bottom is fixed with a rectangular-shape isolating bar, feed probes are vertical with the end face of rectangular-shape isolating bar and air layer is filled between feed probes end and rectangular-shape isolating bar, feed probes feed in waveguide cavity Connection.Antenna element uses waveguide form in the utility model, and waveguiding structure is simple, is only the rectangular cavity of one side opening.
Description
Technical field
The utility model relates to mobile communication base station technical fields, more particularly, to a kind of millimeter wave dual polarization waveguide day
Line.
Background technique
Gold frequency range of the low-frequency range as the communications industry obtains it in the case where the development of communications industry many years explosion type
Wider continuous frequency spectrum there is no possibility, this just seriously limits the development of the communications industry.In addition, low-frequency range wavelength compared with
It is long, cause the size of hardware device and system larger, it is difficult to meet this feature that miniaturization is increasingly pursued in market.In addition,
Wavelength is longer, and resolution ratio is also difficult to reach higher level in many cases, and this point is more unsatisfactory for more and more fastidious market
Demand.And millimeter wave antenna, it is mainly characterized by that wavelength is short, can effectively reduce the size of hardware device and system, and
There is higher resolution ratio in terms of radar, imaging.Most of all, millimeter wave has the resource of frequency range abundant, can be competent at
Future broadband communication and ultrahigh speed communication demand, and these be in low-frequency range can not be attainable.Therefore, seek higher frequency section
Communication be required.
Dual polarized antenna contains+45 ° and -45 ° of polarization and horizontal vertical pole as a kind of new antenna technology
Change, i.e., common antenna may be simultaneously operated under transmission duplex mode.Compared to single-polarized antenna, dual polarized antenna reduces antenna
Installation number and mounting platform, significantly reduce capital expenditure.In addition the space interval between dual polarized antenna is smaller, because
This can not build steel tower in base station construction, it is only necessary to a mounting post, it might even be possible to be mounted directly indoors or air-conditioning
It hangs up outside.In this way, base station construction can be made more reasonable, signal covering is broader.
Utility model content
The purpose of this utility model is to solve the problems, such as that waveguiding structure is complicated in the prior art, provides a kind of millimeter wave
Dual polarization radiating guide.
The deficiency of the utility model to solve above-mentioned technical problem, used technical solution is:
A kind of millimeter wave dual polarization radiating guide, including pedestal and the dual polarization waveguiding structure being fixed on the base, the wave
Guide structure adapts to work in millimeter wave frequency band radiating guide, and the dual polarization waveguiding structure includes that two sections are square
The specification of rectangular body unit, cuboid cell cross-section square is identical, and two cuboid unit intervals are fixed on pedestal
On, the rectangular one of facing of body unit is sticked in base top, offers section at the top of rectangular body unit and is square
Rectangular-shape groove form waveguide cavity, the center line of waveguide cavity is overlapped with the center line of rectangular body unit, rectangular body unit
A feed probes are wherein respectively equipped in adjacent two side walls, wherein one end of feed probes penetrates in waveguide cavity, feed
Probe, which is located on one end on the outside of waveguide cavity, is connected with connector, and feed probes are located on waveguide cavity bottom and same rectangular body unit
Two feed probes be mutually perpendicular to, waveguide cavity bottom is fixed with a rectangular-shape isolating bar, feed probes and rectangular-shape
The end face of isolating bar is vertical and air layer, the throwing of feed probes are filled between feed probes end and rectangular-shape isolating bar
Shadow is fallen on the end face of rectangular-shape isolating bar, and the feed probes in one of waveguide cavity pass through connector and+45 ° of feeder lines
It connects, the feed probes in another waveguide cavity are connect by connector with -45 ° of feeder lines.
The rectangular body unit and pedestal are structure as a whole.
The center line of the rectangular-shape isolating bar is overlapped with the center line of rectangular body unit.
The beneficial effects of the utility model are: the antenna element in the utility model realizes ± 45 ° of polarization；Antenna element is adopted
With waveguide form, and waveguiding structure is simple, is only the rectangular cavity of one side opening, and the cross section where being open is to mention with a square
High antenna gain；In order to improve the isolation of unit, between the bottom of cavity, two probes, one small cuboid is added to make
For isolating bar.
Detailed description of the invention
Fig. 1 is the top view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the standing wave curve graph of the waveguide of the millimeter wave dual polarized antenna of the utility model.
Fig. 4 is the isolation curve graph of the waveguide of the millimeter wave dual polarized antenna of the utility model.
Fig. 5 is that the horizontally disposed port in the left side feeds when side in millimeter wave dual polarization radiating guide Fig. 1 of the utility model
To figure curve.
Fig. 6 is that the horizontally disposed port in the right feeds when side in millimeter wave dual polarization radiating guide Fig. 1 of the utility model
To figure curve.
Fig. 7 is that the port that the left side is vertically arranged in millimeter wave dual polarization radiating guide Fig. 1 of the utility model feeds when side
To figure curve.
Fig. 8 is that the port that the right is vertically arranged in millimeter wave dual polarization radiating guide Fig. 1 of the utility model feeds when side
To figure curve.
Diagram label: 1, rectangular body unit, 2, pedestal, 3, waveguide cavity, 4, feed probes, 5, rectangular-shape isolating bar.
Specific embodiment
As shown in the figure, specific embodiment is as follows:
A kind of millimeter wave dual polarization radiating guide should including pedestal 2 and the dual polarization waveguiding structure being fixed on pedestal 2
Waveguiding structure adapts to work in millimeter wave frequency band radiating guide, and the dual polarization waveguiding structure includes that two sections are square
Rectangular body unit 1, the specification of rectangular 1 cross section of body unit square is identical, and two rectangular body units 1 intervals are fixed on
On pedestal 2, the one of facing of rectangular body unit 1 is sticked at the top of 2 top of pedestal, rectangular body unit 1 and offers section
The rectangular-shape groove being square forms waveguide cavity 3, and the center line of waveguide cavity 3 is overlapped with the center line of rectangular body unit 1, long
A feed probes 4 are respectively equipped in the wherein adjacent two side walls of cube unit 1, wherein one end of feed probes 4 penetrates
In waveguide cavity 3, feed probes 4, which are located on the one end in 3 outside of waveguide cavity, is connected with connector, and feed probes 4 are located at 3 bottom of waveguide cavity
And two feed probes 4 on same rectangular body unit 1 are mutually perpendicular to, 3 bottom of waveguide cavity is fixed with a rectangular-shape isolation
Item 5, feed probes 4 are vertical with the end face of rectangular-shape isolating bar 5 and 4 end of feed probes and rectangular-shape isolating bar 5 it
Between be filled with air layer, the projection of feed probes 4 is fallen on the end face of rectangular-shape isolating bar 5, in one of waveguide cavity 3
Feed probes 4 are connect by connector with+45 ° of feeder lines, and the feed probes 4 in another waveguide cavity 3 pass through connector and -45 °
Feeder line connection.
The rectangular body unit 1 and pedestal 2 is structure as a whole.
The center line of the rectangular-shape isolating bar 5 is overlapped with the center line of rectangular body unit 1.
The utility model provides work in the high-gain aerial of 26GHz, height lighter using the antenna weights in the application
Lower, gain is higher, with good performance.
Its curve graph is obtained by carrying out detection to the antenna in the application,
Fig. 3 and Fig. 4 is respectively the standing wave curve graph and isolation curve graph of the waveguide of millimeter wave dual polarized antenna, can be seen
Out in 24.4GHz to 27.4GHz, standing wave < 1.3, isolation < -21dB.
In Fig. 8 within the scope of frequency 25GHz ~ 27GHz, isolation is greater than 21.0dB.
Fig. 5 is into Fig. 8 when frequency 26G, gain 8.5dB.And the directional diagram when feed of each port of waveguide.It can be seen by figure
Out, wave beam symmetry is preferable, but some places are still shaken, and curve is rough, and main cause remains as edge effect
It is much higher than low frequency in the influence of high frequency, this phenomenon can not be eliminated, can only be maximally reduced.
The standing wave curve graph and isolation curve graph of its waveguide, it can be seen that in 24.4GHz to 27.4GHz, standing wave <
1.3, isolation < -21dB.
Technical solution cited by the utility model and embodiment and non-limiting, with skill cited by the utility model
Art scheme and embodiment be equivalent or effect same approach is all in the range of the utility model is protected.
Claims (4)
1. a kind of millimeter wave dual polarization radiating guide, including pedestal and the dual polarization waveguiding structure being fixed on the base, feature
Be: the dual polarization waveguiding structure includes the square rectangular body unit in two sections, two cuboid unit intervals
It is fixed on the base, the rectangular one of facing of body unit is sticked in base top, offers and cuts at the top of rectangular body unit
The rectangular-shape groove that face is square forms waveguide cavity, and the center line of waveguide cavity is overlapped with the center line of rectangular body unit, long
A feed probes are respectively equipped in the wherein adjacent two side walls of cube unit, wherein one end of feed probes penetrates waveguide
Intracavitary, feed probes, which are located on one end on the outside of waveguide cavity, is connected with connector, and feed probes are located at waveguide cavity bottom and same length
Two feed probes on cube unit are mutually perpendicular to, and waveguide cavity bottom is fixed with a rectangular-shape isolating bar, feed probes
It is vertical with the end face of rectangular-shape isolating bar and between feed probes end and rectangular-shape isolating bar be filled with air layer, feedback
The projection of electric probe is fallen on the end face of rectangular-shape isolating bar, the feed probes in one of waveguide cavity by connector with+
45 ° of feeder lines connect, and the feed probes in another waveguide cavity are connect by connector with -45 ° of feeder lines.
2. a kind of millimeter wave dual polarization radiating guide according to claim 1, it is characterised in that: the rectangular body unit
It is structure as a whole with pedestal.
3. a kind of millimeter wave dual polarization radiating guide according to claim 1, it is characterised in that: the rectangular-shape every
It is overlapped from the center line of item with the center line of rectangular body unit.
4. a kind of millimeter wave dual polarization radiating guide according to claim 1, it is characterised in that: described is square
The identical rectangular body unit of section specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942282.0U CN208460982U (en) | 2018-06-19 | 2018-06-19 | A kind of millimeter wave dual polarization radiating guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942282.0U CN208460982U (en) | 2018-06-19 | 2018-06-19 | A kind of millimeter wave dual polarization radiating guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460982U true CN208460982U (en) | 2019-02-01 |
Family
ID=65160167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942282.0U Active CN208460982U (en) | 2018-06-19 | 2018-06-19 | A kind of millimeter wave dual polarization radiating guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460982U (en) |
-
2018
- 2018-06-19 CN CN201820942282.0U patent/CN208460982U/en active Active
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