CN102709676B - Antenna radiation unit and antenna for base station - Google Patents
Antenna radiation unit and antenna for base station Download PDFInfo
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- CN102709676B CN102709676B CN201210156417.8A CN201210156417A CN102709676B CN 102709676 B CN102709676 B CN 102709676B CN 201210156417 A CN201210156417 A CN 201210156417A CN 102709676 B CN102709676 B CN 102709676B
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Abstract
The embodiment of the invention discloses a kind of antenna radiation unit and antenna for base station, solve the technical problem that existing antenna radiation unit causes cost higher due to complex structure.Described antenna radiation unit comprises two electrode couple, four parallel wires, two feed lines; Wherein: described two electrode couple are for the formation of a radiating surface, each described dipole comprises two oscillator arms, often pair of described dipole comprises two opposed dipoles, and for the formation of an opposed oscillator, the polarised direction of two described opposed oscillators is mutually vertical; Feed line described in every bar is used for a described opposed oscillator feed, feed line described in every bar have an input and two outputs, each described output is for connecting one end of a described parallel wire, and the other end of described parallel wire is for connecting two oscillator arms of a dipole of described opposed oscillator.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of antenna radiation unit and antenna for base station.
Background technology
Antenna radiation unit, i.e. antenna element or radiation element are the important component parts of antenna for base station, and sector power ratio (Sector Power Ratio, SPR) is an important technology index of antenna radiation unit.Opposed oscillator (dipole square) is a kind of antenna radiation unit possessing high SPR characteristic, opposed oscillator is generally made up of two opposed dipoles, each dipole comprises two oscillator arms, the oscillator arms of two dipoles is parallel to each other, two dipole isotropic excitation, form a polarization, an antenna radiation unit can be made up of two vertically disposed opposed oscillators, form orthogonal two polarization, this antenna radiation unit has the advantages that wave beam is narrow, emittance is concentrated, but feed structure is complicated, and manufacturing cost is high.
Summary of the invention
Embodiments provide a kind of antenna radiation unit, existing antenna radiation unit feed structure can be solved complicated, the technical problem that manufacturing cost is high.
Embodiments of the invention provide a kind of antenna radiation unit on the one hand:
Described antenna radiation unit comprises two electrode couple, four parallel wires, two feed lines; Wherein:
Described two electrode couple are for the formation of a radiating surface, and each described dipole comprises two oscillator arms, and often pair of described dipole comprises two opposed dipoles, and for the formation of an opposed oscillator, the polarised direction of two described opposed oscillators is mutually vertical;
Feed line described in every bar is used for a described opposed oscillator feed, feed line described in every bar have an input and two outputs, each described output is for connecting one end of a described parallel wire, and the other end of described parallel wire is for connecting two oscillator arms of a dipole of described opposed oscillator.
The embodiment of the present invention provides a kind of antenna for base station on the other hand, comprises feeding network, signal input port, and above-mentioned antenna radiation unit;
Described feeding network is connected with described antenna radiation unit, and for being received the signal from base station by described signal input port, and to described antenna radiation unit feed, described antenna radiation unit is used for described signal amplitude to be shot out.
Compared with prior art, technique scheme tool provided by the present invention has the following advantages: utilize parallel wire to be connected corresponding with two electrode couple of opposed oscillator for two feed lines, feed while realizing two electrode couple, not only ensure that stable electrical connection, also simplify the structure of opposed whole unit, thus reduce manufacturing cost, solve the technical problem that existing opposed unit causes cost higher due to complex structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective diagram of PCB-1 in embodiments of the invention;
Fig. 2 a and Fig. 2 b is respectively the floor map of PCB-1 first surface in embodiments of the invention and second;
Fig. 3 a and Fig. 3 b is respectively the floor map of PCB-2 and PCB-3 in embodiments of the invention;
The schematic diagram of the antenna radiation unit that Fig. 4 a and Fig. 4 b provides for embodiments of the invention;
Fig. 5 is the perspective diagram of PCB-1 in another embodiment of the present invention;
Fig. 6 a and Fig. 6 b is respectively the floor map of PCB-1 first surface in another embodiment of the present invention and second;
The schematic diagram of the antenna radiation unit that Fig. 7 a and Fig. 7 b provides for another embodiment of the present invention;
The schematic diagram of the antenna radiation unit that Fig. 8 provides for another embodiment of the present invention;
The structural representation of a kind of antenna for base station that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all belongs to the scope of protection of the invention.
As shown in Fig. 1, Fig. 4 a and Fig. 4 b, embodiments provide a kind of antenna radiation unit,
Antenna radiation unit in the embodiment of the present invention can comprise two electrode couple, four parallel wires, two feed lines.See Fig. 1, each described dipole comprises two oscillator arms, concrete, and dipole 1 comprises oscillator arms 11,12, and dipole 2 comprises oscillator arms 21,22, and dipole 3 comprises oscillator arms 31,32, and dipole 4 comprises oscillator arms 41,42; A pair dipole is dipole 1 and dipole 2, another electrode couple is dipole 3 and dipole 4, two electrode couple are for the formation of a radiating surface, dipole 1 and the opposed arrangement of dipole 2 are for the formation of an opposed oscillator, dipole 3 and the opposed arrangement of dipole 4 are for the formation of another opposed oscillator, and the polarised direction of above-mentioned two opposed oscillators is mutually vertical; Above-mentioned four parallel wires are 15,25,36,46, and one end of parallel wire described in every bar connects two oscillator arms of a dipole, and wherein, one end of parallel wire 15,25,36,46 connects two oscillator arms of dipole 1,2,3,4 respectively.
Fig. 3 a and Fig. 3 b is respectively the schematic diagram of two feed lines 5,6, and these two feed lines 5,6 are positioned in the supporting construction of dipole and parallel wire, and every bar feed line is used for an opposed oscillator feed.Feed line 5 in Fig. 3 a has bifurcation 55, so that feed line has an input 50 and two outputs 51,52.Each output connects pair of parallel two-wire, thus to corresponding dipole feed.Concrete, two outputs 51,52 on feed line 5 are connected with the dipole of two in a pair dipole 1,2 respectively by the parallel wire 15,25 in Fig. 1, thus the opposed oscillator feed that electrode couple 1,2 is formed; Two outputs 61,62 of the feed line 6 shown in Fig. 3 b are connected with two dipoles 3,4 in another electrode couple respectively by the parallel wire 36,46 in Fig. 1, thus the opposed oscillator feed that electrode couple 3,4 is formed.
The antenna radiation unit that the embodiment of the present invention provides, utilize parallel wire by corresponding with dipole connected for two feed lines, compared to existing feeding classification, not only ensure that stable electrical connection, also simplify the structure of antenna radiation unit entirety, reduce manufacturing cost.
In the embodiment of the present invention, preferably, as shown in Figure 1, Figure 2 shown in a and Fig. 2 b, two oscillator arms of each dipole are positioned at different planes, and such as, two oscillator arms 11,12 of dipole 1 are positioned at different planes.
Above-mentioned dipole can be half-wave dipole, and the end of every bar oscillator arms is bending extension, and each bending extension bend to the center of radiating surface, can reduce the area of antenna radiation unit like this, save material and taken up space.Such as, in Fig. 2 a oscillator arms 11 bending extension 110, Fig. 2 b in the bending extension 120 of oscillator arms 12.
The antenna radiation unit that the embodiment of the present invention provides can be made in the mode of printed circuit board (PCB) (Printed CircuitBoard, PCB).
Concrete, as shown in Figure 1, Figure 2 shown in a and Fig. 2 b, two electrode couple, parallel wire are formed on the first pcb board (hereinafter referred to as PCB-1), parallel wire can be microstrip line, two oscillator arms of each dipole are formed on the two sides of PCB-1 respectively, an oscillator arms 11 of such as dipole 1 is formed on the first surface of PCB-1, and another oscillator arms 12 is formed on relative with above-mentioned first surface second of PCB-1.
As shown in Figure 3 a and Figure 3 b shows, article two, feed line 5,6 is formed on the signal face of the second pcb board and the 3rd pcb board (hereinafter referred to as PCB-2 and PCB-3) respectively, the another side of PCB-2 and PCB-3 is coated with ground metal layer, as ground plane, PCB-2 and PCB-3 is installed together formation antenna radiation unit as the supporting construction of PCB-1 and PCB-1.PCB-2 the latter half has recess 53, and bifurcation 55 can be positioned at the first half of PCB-2; PCB-3 the first half has recess 63, bifurcation 65 can be positioned at the latter half of PCB-3, PCB-2 and PCB-3 is interlocked by above-mentioned recess 53 and recess 63 and is plugged in together, and then, utilizes the protrusion 54,64 on PCB-2 and PCB-3 top to be plugged on second of PCB-1.Certainly, bifurcation also can be arranged on PCB-1.
Two oscillator arms of the upper each dipole of PCB-1 lay respectively at the first surface of PCB-1 and second.Second of PCB-1 links together with the signal face of PCB-2, PCB-3 respectively.
Concrete, two outputs 51 on PCB-2 signal face, 52(are as shown in Figure 3 a) the ground plane (not shown) that is connected to the oscillator arms 12,22, PCB-2 of second of PCB-1 at protrusion 54 place respectively by a wire in parallel wire 15,25 is also connected to the oscillator arms 11,21 of the first surface of PCB-1 respectively by another wire in parallel wire 15,25 at protrusion 54 place.Same, two outputs 61 on PCB-3 signal face, 62(are as shown in Figure 3 b) the ground plane (not shown) that is connected to the oscillator arms 32,42, PCB-3 of second of PCB-1 at protrusion 64 place respectively by a wire in parallel wire 36,46 is also connected to the oscillator arms 31,41 of the first surface of PCB-1 respectively by another wire in parallel wire 36,46 at protrusion 64 place.Optionally, the signal face of PCB-2, PCB-3, ground plane can the wire bonds in parallel wire corresponding with on PCB-1 respectively get up, and ensure firm electrical connection further.Final three pieces of pcb boards form structure as shown in figures 4 a and 4b.
Manufacture opposed unit and two feed lines in the mode of PCB, manufacturing cost is also lower, and its working band is higher, can be applied to the occasion in high band.The end of oscillator arms is arranged to the form bending extension, make it in less space, total length reaches the quarter-wave of above-mentioned antenna radiation unit operation wavelength, forms half-wave dipole, reduces the size of antenna radiation unit.
Two of dipole oscillator arms are formed on respectively the first surface of PCB-1 and second, both can have utilized the characteristic that the two sides of PCB is independent of each other, reduce manufacturing cost, also simplify the electrical connection between PCB-1 and PCB-2, PCB-3; Change again the spatial configuration of radiating element, expand angle of radiation and the scope of signal.
The embodiment of the present invention additionally provides a kind of antenna radiation unit, with described embodiment is substantially identical above, difference is: as shown in Fig. 5, Fig. 6 a, Fig. 6 b, Fig. 7 a and Fig. 7 b, in the present embodiment, dipole is folded dipole, the shape of the bending extension of oscillator arms end is different, forms folded dipole.Because folded dipole is distributed in the two sides of PCB-1, therefore the end of folded dipole can adopt coupling or electric connection mode to realize.
Certainly, except half-wave dipole, the folded dipole enumerated in above-mentioned two embodiments, antenna radiation unit provided by the invention can also adopt other oscillator forms such as full-wave dipole.
The embodiment of the present invention additionally provides a kind of antenna radiation unit, be with the difference of described embodiment above: as shown in Figure 8, in the present embodiment, two electrode couple, four parallel wires and feed line all can be made up of sheet metal component, and two oscillator arms in each dipole are also be positioned at different planes.Namely sheet metal component as feed line is the supporting construction of dipole and parallel wire.
Compared to the antenna radiation unit that PCB makes, the antenna radiation unit be made up of sheet metal component, working band is lower, therefore goes for the occasion of low-frequency range.
The embodiment of the present invention additionally provides a kind of antenna for base station, as shown in Figure 9, comprises feeding network 902, signal input port 903 etc., and at least one antenna radiation unit 901 in above-mentioned all embodiments.
Above-mentioned feeding network 902 is connected with described antenna radiation unit 901, and for being received the signal from base station by input port 903, and to antenna radiation unit feed, antenna radiation unit is used for described signal amplitude to be shot out.
The antenna for base station provided due to the present embodiment has identical technical characteristic with the antenna radiation unit that the invention described above embodiment provides, so also can produce identical technique effect, solves identical technical problem.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (11)
1. an antenna radiation unit, is characterized in that, described antenna radiation unit comprises two electrode couple, four parallel wires, two feed lines; Wherein:
Described two electrode couple are for the formation of a radiating surface, and each described dipole comprises two oscillator arms, and often pair of described dipole comprises two opposed dipoles, and for the formation of an opposed oscillator, the polarised direction of two described opposed oscillators is mutually vertical;
Feed line described in every bar is used for a described opposed oscillator feed, feed line described in every bar have an input and two outputs, each described output is for connecting one end of a described parallel wire, and the other end of described parallel wire is for connecting two oscillator arms of a dipole of described opposed oscillator; Described feed line is positioned in the supporting construction of described dipole and described parallel wire.
2. antenna radiation unit according to claim 1, is characterized in that, two oscillator arms of described dipole are positioned at different planes.
3. antenna radiation unit according to claim 2, is characterized in that, described dipole is half-wave dipole, and the end of oscillator arms described in every bar is bending extension, and each bending extension bends to the center of described radiating surface.
4. antenna radiation unit according to claim 2, is characterized in that, described dipole is folded dipole.
5., according to the arbitrary described antenna radiation unit of Claims 1-4, it is characterized in that, described dipole, described parallel wire, described feed line are made in the manner of a printed circuit board.
6. antenna radiation unit according to claim 2, is characterized in that, described parallel wire is microstrip line.
7. antenna radiation unit according to claim 5, is characterized in that, described two electrode couple and described four parallel wires are formed on the first printed circuit board (PCB);
Two oscillator arms of each described dipole are formed on the first surface of described first printed circuit board (PCB) and second respectively.
8. antenna radiation unit according to claim 7, is characterized in that, described two articles of feed lines are formed on the second printed circuit board (PCB) and the 3rd printed circuit board (PCB) respectively.
9. antenna radiation unit according to claim 8, it is characterized in that, described second printed circuit board (PCB) the latter half has recess, and described 3rd printed circuit board (PCB) the first half has recess, and described second printed circuit board (PCB) and described 3rd printed circuit board (PCB) are plugged in together by described recess;
The top of described second printed circuit board (PCB) and described 3rd printed circuit board (PCB) is provided with projection, for described first circuit board plug-and-socket.
10., according to the arbitrary described antenna radiation unit of Claims 1-4, it is characterized in that, described dipole, described parallel wire, described feed line are made up of sheet metal component.
11. 1 kinds of antenna for base station, comprise feeding network, signal input port, it is characterized in that, comprise the arbitrary described antenna radiation unit of at least one claim 1-10;
Described feeding network is connected with described antenna radiation unit, and for being received the signal from base station by described signal input port, and to described antenna radiation unit feed, described antenna radiation unit is used for described signal amplitude to be shot out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156417.8A CN102709676B (en) | 2012-05-18 | 2012-05-18 | Antenna radiation unit and antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156417.8A CN102709676B (en) | 2012-05-18 | 2012-05-18 | Antenna radiation unit and antenna for base station |
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| Publication Number | Publication Date |
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| CN102709676A CN102709676A (en) | 2012-10-03 |
| CN102709676B true CN102709676B (en) | 2015-08-19 |
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| CN201210156417.8A Active CN102709676B (en) | 2012-05-18 | 2012-05-18 | Antenna radiation unit and antenna for base station |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143700B (en) * | 2013-05-10 | 2017-02-15 | 中国电信股份有限公司 | Four-polarization radiation oscillator and four-polarization antenna |
| EP3007275B1 (en) | 2013-06-27 | 2020-04-29 | Huawei Technologies Co., Ltd. | Antenna radiation unit and antenna |
| CN103647140B (en) * | 2013-12-16 | 2016-05-18 | 广州杰赛科技股份有限公司 | Dual polarized antenna |
| CN104538738B (en) * | 2014-05-06 | 2018-12-04 | 康凯科技（杭州）股份有限公司 | applied to the switchable antenna in wireless communication |
| CN106410397A (en) * | 2016-10-27 | 2017-02-15 | 深圳国人通信股份有限公司 | Printed dipole oscillator |
| US10770803B2 (en) * | 2017-05-03 | 2020-09-08 | Commscope Technologies Llc | Multi-band base station antennas having crossed-dipole radiating elements with generally oval or rectangularly shaped dipole arms and/or common mode resonance reduction filters |
| CN110832702B (en) * | 2017-07-05 | 2021-06-29 | 康普技术有限责任公司 | Base station antenna with radiating element comprising dipole radiator on dielectric |
| CN108717997A (en) * | 2018-05-29 | 2018-10-30 | 武汉虹信通信技术有限责任公司 | A kind of high-frequency antenna element and antenna for base station |
| CN111293418A (en) | 2018-12-10 | 2020-06-16 | 康普技术有限责任公司 | Radiator assembly for base station antenna and base station antenna |
| WO2021000138A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Radiator, antenna, and base station |
| CN113036404B (en) * | 2021-02-08 | 2023-09-12 | 深圳市信维通信股份有限公司 | Low-profile ultra-wideband dual-polarized antenna element, antenna array and base station equipment |
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| CN101834345B (en) * | 2010-05-17 | 2014-09-10 | 京信通信***（中国）有限公司 | Ultra-wide band antenna and single-polarized and dual-polarized radiating elements thereof |
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| US5164738A (en) * | 1990-10-24 | 1992-11-17 | Trw Inc. | Wideband dual-polarized multi-mode antenna |
| US6424311B1 (en) * | 2000-12-30 | 2002-07-23 | Hon Ia Precision Ind. Co., Ltd. | Dual-fed coupled stripline PCB dipole antenna |
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