CN204167475U - Horizontally polarized omnidirectional antenna altogether - Google Patents
Horizontally polarized omnidirectional antenna altogether Download PDFInfo
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- CN204167475U CN204167475U CN201420669434.6U CN201420669434U CN204167475U CN 204167475 U CN204167475 U CN 204167475U CN 201420669434 U CN201420669434 U CN 201420669434U CN 204167475 U CN204167475 U CN 204167475U
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Abstract
One is horizontally polarized omnidirectional antenna altogether.Antenna array comprises: the circular dielectric-slab that center is porose; Merit divides feeding network, and merit divides feeding network to be located on a surface of described circular dielectric-slab, comprises the eccentric constant amplitude homophase power division network of 1 couple of n and n feeding microstrip line; Public annulus metal ground, be located at circular dielectric-slab another on the surface, and, concentric with circular concentric through hole; With, circular arc printed dipole subarray, be located at described circular dielectric-slab another on the surface, form by by an annulus equally distributed n circular arc printed dipole, in the middle part of circular arc printed dipole with public annulus metal be connected, circular arc printed dipole is provided with gap.The utility model, by being provided with groove on the outward flange of each circular arc printed dipole, making the outward flange of circular arc printed dipole present asperities limit shape, improves the deviation in roundness of radiation pattern.
Description
Technical field
The utility model relates to one horizontally polarized omnidirectional antenna altogether, belongs to the antenna of the institutions such as mobile communication base station.
Background technology
Along with the development of mobile communication technology, require that antenna for base station, local transfer antenna for base station etc. not only require perpendicular polarization, and require horizontal polarization, not only require that high band (1710MHz-2700MHz) is for horizontal vertical dual polarization, and require that low-frequency range (698MHz-960MHz) is for horizontal vertical dual polarization, in order to realize the integrated design of horizontal polarization and perpendicular polarization smoothly, require that low-frequency range horizontally-polarized antenna deviation in roundness will be got well, simultaneously center have perforation.Existing horizontally-polarized antenna technology can not meet this requirement.The utility model mainly overcomes low-frequency range horizonally-polarized array row of this difficulty design, and its deviation in roundness is good, be easy to integrated with perpendicular polarization, be easy to process.
Utility model content
The utility model is intended at least solve the technical problem existed in prior art.For this reason, an object of the present utility model is to propose one horizontally polarized omnidirectional antenna altogether.
To achieve these goals, the utility model adopts following technical scheme:
One described in the utility model is ground-tint limit horizontal polarization wideband omnidirectional antenna battle array altogether, comprising:
Circular dielectric-slab, has a concentric manhole in described circular dielectric-slab;
Merit divides feeding network, described merit divides feeding network to be located on a surface of described circular dielectric-slab, described merit divides feeding network to comprise the eccentric constant amplitude homophase power division network of 1 couple of n and n feeding microstrip line, and, main split's initiating terminal of described 1 couple of n eccentric constant amplitude homophase power division network is external interface, described external interface departs from circular concentric through hole, and each branches end of 1 pair of n eccentric constant amplitude homophase power division network is connected with n feeding microstrip line respectively, and n is 3,4,5 or 6;
Public annulus metal ground, be located at described circular dielectric-slab described public annulus metal another on the surface, and, described public annulus metal ground is concentric with described circular concentric through hole, and described public annulus metal ground is connected with main split's initiating terminal of described 1 couple of n eccentric constant amplitude homophase power division network; With,
Circular arc printed dipole subarray, described circular dipole array be located at described circular dielectric-slab another on the surface, described circular arc printed dipole subarray is by form by an annulus equally distributed n circular arc printed dipole and the center of circle of described annulus is concentric with described circular concentric through hole, the middle part of described circular arc printed dipole is connected by metal micro-strip line and public annulus metal, circular arc printed dipole is provided with gap and described gap is positioned on circular arc printed dipole Axisymmetric Distributed Line;
Be oppositely arranged, a described n feeding microstrip line and n circular arc printed dipole are oppositely arranged one to one the eccentric constant amplitude homophase power division network of the described 1 couple of n and described public annulus metal.
Compared with prior art, the utility model tool has the following advantages:
The utility model offers a concentric manhole in circular dielectric-slab, thus vertical polarized antenna can be made to pass this hole, is easy to realize and vertical polarized antenna integrated design; In order to embody this advantage, the utility model is for Fig. 3, give a kind of horizontally-polarized antenna and vertical polarized antenna integral structure schematic diagram, in this structure, vertical antenna is unsymmetrical double-cone structural antenna, described unsymmetrical double-cone structural antenna is made up of large frustum 6-1, little frustum 6-2 and feed line 6-3, namely large frustum is total to circular dielectric-slab central through hole in ground-tint limit horizontal polarization wideband omnidirectional antenna battle array 5 by feed line inner core through the utility model and is connected with little frustum, achieves the integrated design of horizontal polarization and vertical polarized antenna.
The utility model is by being connected multiple circular arc printed dipole with public annulus metal ground, thus ensure that the full symmetric reflectingly of each circular arc printed dipole, be conducive to the deviation in roundness improving Antenna Array Pattern, its deviation in roundness is less than 2dB(in 698MHz-960MHz frequency range), public annulus metal ground is conducive to the gain improving antenna simultaneously, can reach more than 0.5dB.
The utility model is by being designed to asperities limit shape multiple circular arc printed dipole outer edge, be conducive to the deviation in roundness improving radiation pattern, deviation in roundness improvement reaches about 0.5dB, reduce the diameter of antenna array to a certain extent simultaneously, can about 5% be reduced, and increasing the bandwidth of operation of antenna array, it is in 693MHz to 968MHz, and standing wave is all less than 1.5.
Omnidirectional antenna array of the present utility model adopts printed circuit technology to realize completely, without the need to additional auxiliary circuit and structure, therefore processes facility, and consistency is good, and rate of finished products is high.
The advantage of annular dielectric collar is that the antenna pattern of antenna is not vulnerable to the impact of radome.
To sum up, the utility model has that deviation in roundness is good, gain is high, compact conformation, is easy to processing and is easy to the advantage with vertical polarized antenna integrated design.
Accompanying drawing explanation
Above-mentioned advantage of the present utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the plan structure figure of the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array according to the utility model embodiment;
Fig. 2 is the face upwarding assumption diagram of the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array according to the utility model embodiment;
Fig. 3 is the integrated morphology end view of common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array according to the utility model embodiment and unsymmetrical double-cone perpendicular polarization wideband omnidirectional antenna;
Fig. 4 is the stationary wave characteristic curve chart of the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array correspondence according to the utility model embodiment;
The deviation in roundness curve chart of 698MHz when Fig. 5 is 0 degree, the elevation angle according to the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array correspondence of the utility model embodiment;
The deviation in roundness curve chart of 800MHz when Fig. 6 is 0 degree, the elevation angle according to the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array correspondence of the utility model embodiment;
The deviation in roundness curve chart of 900MHz when Fig. 7 is 0 degree, the elevation angle according to the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array correspondence of the utility model embodiment;
The deviation in roundness curve chart of 960MHz when Fig. 8 is 60 degree, the elevation angle according to the common ground-tint limit horizontal polarization wideband omnidirectional antenna battle array correspondence of the utility model embodiment;
Embodiment
Embodiment 1
One is horizontally polarized omnidirectional antenna altogether, comprising:
Circular dielectric-slab 1, has a concentric manhole 1-1 in described circular dielectric-slab 1;
Merit divides feeding network, described merit divides feeding network to be located on a surface of described circular dielectric-slab 1, described merit divides feeding network to comprise the eccentric constant amplitude homophase power division network of 1 couple of n 2-1 and n feeding microstrip line 2-2, and, main split's initiating terminal of described 1 couple of n eccentric constant amplitude homophase power division network 2-1 is external interface 2-3, described external interface 2-3 departs from circular concentric through hole 1-1, each branches end of 1 pair of n eccentric constant amplitude homophase power division network is connected with n feeding microstrip line 2-2 respectively, and n is 3,4,5 or 6;
Public annulus metal ground 3, be located at described circular dielectric-slab 1 described public annulus metal another on the surface, and, described public annulus metal ground 3 is concentric with described circular concentric through hole 1-1, and described public annulus metal ground 3 is connected with main split's initiating terminal of described 1 couple of n eccentric constant amplitude homophase power division network 2-1; With,
Circular arc printed dipole subarray, described circular dipole array be located at described circular dielectric-slab 1 another on the surface, described circular arc printed dipole subarray is by form by an annulus equally distributed n circular arc printed dipole 4-1 and the center of circle of described annulus is concentric with described circular concentric through hole 1-1, the middle part of described circular arc printed dipole 4-1 is connected with public annulus metal ground 3 by metal micro-strip line, circular arc printed dipole 4-1 is provided with gap 4-2 and described gap 4-2 is positioned on circular arc printed dipole 4-1 Axisymmetric Distributed Line;
The eccentric constant amplitude homophase power division network 2-1 of described 1 couple of n and described public annulus metal ground 3 are oppositely arranged, and described n feeding microstrip line 2-2 and n circular arc printed dipole 4-1 is oppositely arranged one to one.
The present embodiment also adopts following technical measures, optimizes further it:
The outward flange of each circular arc printed dipole 4-1 is provided with groove and makes the outward flange of circular arc printed dipole 4-1 present asperities limit shape 4-3.
The outside of described circular dielectric-slab 1 stretches out and forms the annular dielectric collar 4-4 of inwardly containing circular arc printed dipole subarray.
The utility model by being provided with groove on the outward flange of each circular arc printed dipole 4-1, the outward flange of circular arc printed dipole 4-1 is made to present asperities limit shape 4-3, improve the deviation in roundness of radiation pattern, reduce the diameter of antenna array, increase the bandwidth of operation of antenna array.
To grin and accompanying drawing is described in further detail the utility model below in conjunction with enforcement, but execution mode of the present utility model is not limited thereto.
As shown in Figure 1, a kind of ground-tint limit horizontal polarization wideband omnidirectional antenna battle array altogether, described ground-tint limit horizontal polarization wideband omnidirectional antenna altogether comprises: circular dielectric-slab 1, and there is a concentric manhole 1-1 at described circular dielectric-slab 1 center, merit divides feeding network, described merit divides feeding network to be positioned at the below of described circular dielectric-slab 1, described merit divides feeding network to comprise 1 to 3 eccentric constant amplitude homophase power division network 2-1 and feeding microstrip line 2-2, described 1 connects feeding microstrip line 2-2 to 3 eccentric constant amplitude homophase power division networks by each branches end, and main split is external interface 2-3, public annulus metal ground 3, described public annulus metal ground is positioned near described circular concentric through hole 1-1 side above described circular dielectric-slab 1, and described 1 is positioned at below described public annulus metal ground 3 and described circular dielectric-slab 1 to 3 eccentric constant amplitude homophase power division network 2-1, circular arc printed dipole subarray, described circular dipole array is positioned at the top of described circular dielectric-slab 1, be made up of 3 circular arc printed dipole 4-1, each described circular arc printed dipole 4-1 is connected with described public annulus metal ground 3, described each circular arc printed dipole 4-1 center has gap 4-2, described circular arc each printed dipole 4-1 outer edge is asperities limit shape 4-3, described each feeding microstrip line 2-2 is corresponding with described circular arc each printed dipole 4-1, be positioned at below described circular arc printed dipole 4-1 and described circular dielectric-slab 1.
Circular dielectric-slab 1 thickness is the refined imperial dielectric-slab ArlonAD255C of high frequency plate of 1.524mm, and relative dielectric constant is 2.55, and loss angle tangent is 0.0014, and peripheral diameter is 265mm, and the aperture of circular concentric through hole is 10mm.
Merit divides feeding network to comprise 1:3 constant amplitude homophase power splitter 2-1 and three feeding microstrip line 2-2, and power splitter 2-1 main split 2-3 is standard 50 ohm of output interfaces, and merit divides feeding network to be formed by copper clad layers, thickness 35um.
Circular arc printed dipole subarray is made up of three circular arc printed dipole 4-1, each circular arc printing printed dipole 4-1 outer radius is 128mm, and inside radius is 93mm, and the gap 4-2 degree of depth is 57mm, subtended angle is 94 degree, gap 4-2 width is 3mm, and each annular printed dipole 4-1 outer edge has 6 notches, forms line limit, depth of rebate is 5mm, width subtended angle is 2 degree, and annular printed dipole is copper clad layers, and thickness is 35 microns.Three annular printed dipole 4-1, by extending to circular dielectric-slab 1 center, are connected with public annulus metal ground 3, form an entirety.Public annulus metal ground 3 external diameters are 77mm, and internal diameter is 33mm, for the copper clad layers of thickness 35 microns is formed.
The frequency range of the corresponding standing wave 1.5 of the present embodiment is 693MHz-968MHz, and as shown in Figure 4, in frequency band, all frequency gains are greater than 1.5dB, and deviation in roundness is all less than 1.8dB, as shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8.
Above-described embodiment is an exemplary embodiment of the present utility model; but execution mode of the present utility model is not restricted to the described embodiments; the change made under other any does not deviate from principle of the present utility model, modification, substitute, combination, to simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (3)
1. a horizontally polarized omnidirectional antenna altogether, is characterized in that, comprising:
Circular dielectric-slab (1), has a concentric manhole (1-1) in described circular dielectric-slab (1);
Merit divides feeding network, on the surface that described merit divides feeding network to be located at described circular dielectric-slab (1), described merit divides feeding network to comprise eccentric constant amplitude homophase power division network (2-1) of 1 couple of n and n feeding microstrip line (2-2), and, main split's initiating terminal of eccentric constant amplitude homophase power division network (2-1) of described 1 couple of n is external interface (2-3), described external interface (2-3) departs from circular concentric through hole (1-1), each branches end of 1 pair of n eccentric constant amplitude homophase power division network is connected with n feeding microstrip line (2-2) respectively, and n is 3,4,5 or 6;
Public annulus metal ground (3), be located at described circular dielectric-slab (1) described public annulus metal another on the surface, and, described public annulus metal ground (3) is concentric with described circular concentric through hole (1-1), and described public annulus metal ground (3) is connected with main split's initiating terminal of eccentric constant amplitude homophase power division network (2-1) of described 1 couple of n; With,
Circular arc printed dipole subarray, described circular dipole array be located at described circular dielectric-slab (1) another on the surface, described circular arc printed dipole subarray is by form by an annulus equally distributed n circular arc printed dipole (4-1) and the center of circle of described annulus is concentric with described circular concentric through hole (1-1), the middle part of described circular arc printed dipole (4-1) by metal micro-strip line and public annulus metal (3) be connected, circular arc printed dipole (4-1) is provided with gap (4-2) and described gap (4-2) is positioned on circular arc printed dipole (4-1) Axisymmetric Distributed Line,
Eccentric constant amplitude homophase power division network (2-1) of described 1 couple of n is oppositely arranged with described public annulus metal ground (3), and a described n feeding microstrip line (2-2) and n circular arc printed dipole (4-1) are oppositely arranged one to one.
2. horizontally polarized omnidirectional antenna altogether according to claim 1, is characterized in that, the outward flange of each circular arc printed dipole (4-1) is provided with groove and makes the outward flange of circular arc printed dipole (4-1) present asperities limit shape (4-3).
3. horizontally polarized omnidirectional antenna altogether according to claim 1 and 2, is characterized in that, the outside of described circular dielectric-slab (1) stretches out and forms the annular dielectric collar (4-4) of inwardly containing circular arc printed dipole subarray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420669434.6U CN204167475U (en) | 2014-11-11 | 2014-11-11 | Horizontally polarized omnidirectional antenna altogether |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420669434.6U CN204167475U (en) | 2014-11-11 | 2014-11-11 | Horizontally polarized omnidirectional antenna altogether |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319475A (en) * | 2014-11-11 | 2015-01-28 | 苏州市天烨机械工程有限公司 | Common-grounded edge rippled horizontal polarization broadband omnidirectional antenna array and adjusting method thereof |
| CN108598673A (en) * | 2018-03-08 | 2018-09-28 | 广东通宇通讯股份有限公司 | Ultra wide band horizontally polarized omnidirectional antenna and construction method |
| CN114256601A (en) * | 2020-09-19 | 2022-03-29 | 华为技术有限公司 | Antenna, antenna module and electronic equipment |
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2014
- 2014-11-11 CN CN201420669434.6U patent/CN204167475U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319475A (en) * | 2014-11-11 | 2015-01-28 | 苏州市天烨机械工程有限公司 | Common-grounded edge rippled horizontal polarization broadband omnidirectional antenna array and adjusting method thereof |
| CN108598673A (en) * | 2018-03-08 | 2018-09-28 | 广东通宇通讯股份有限公司 | Ultra wide band horizontally polarized omnidirectional antenna and construction method |
| CN108598673B (en) * | 2018-03-08 | 2023-08-08 | 广东通宇通讯股份有限公司 | Ultra-wideband horizontally polarized omnidirectional antenna and construction method thereof |
| CN114256601A (en) * | 2020-09-19 | 2022-03-29 | 华为技术有限公司 | Antenna, antenna module and electronic equipment |
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