CN104143686A - Dual-polarized radiation unit and antenna - Google Patents
Dual-polarized radiation unit and antenna Download PDFInfo
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- CN104143686A CN104143686A CN201310170710.4A CN201310170710A CN104143686A CN 104143686 A CN104143686 A CN 104143686A CN 201310170710 A CN201310170710 A CN 201310170710A CN 104143686 A CN104143686 A CN 104143686A
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Abstract
The invention discloses a dual-polarized radiation unit and an antenna, and relates to the technical field of mobile communication antennas. The dual-polarized radiation unit comprises a printed circuit board, radiation arms, direct feed coaxial cables, an integrally-formed supporting base and metal tuning columns, wherein the radiation arms are manufactured on the printed circuit board and used for playing a role in radiation and impedance matching; the supporting base and outer conductors of the coaxial cables form a balun which plays a role in balance and imbalance transformation, and the supporting base is used for supporting the printed circuit board. By the adoption of the integrally-formed supporting base and the radiation arms manufactured on the printed circuit board, the novel dual-polarized radiation unit which has high reliability and can meet the demand of short cycle optimal design is achieved; meanwhile, the asymmetrical metal tuning columns are added to the radiation unit, so that cross polarization and beam symmetry indexes are improved.
Description
Technical field
The present invention relates to mobile communication antenna technical field, particularly a kind of dual-polarization radiating unit and antenna.
Background technology
At present, mobile communication has entered the 4G epoch, and various new application demands emerge in an endless stream, and for antenna of mobile communication base station, dual polarized antenna has become the application product of main flow.For adapting to improvement and the innovation of communication system, the concrete form of dual polarized antenna also needs to make corresponding changes, and such as the application requirements for meeting communication system diversity reception, MIMO, need to develop corresponding multiport dual-polarization intelligent antenna; For meeting the shared application requirements of communication system multiband, need to develop multifrequency and share dual polarized antenna.
The applying date is that on November 6th, 2008, Granted publication number are that CN201430215Y, denomination of invention are to disclose a kind of dual-polarization radiating unit in " a kind of dual-polarization radiating unit ", and this dual-polarization radiating unit comprises: the printed circuit board (PCB) that comprises dual polarization vibrator arm; 4 bracing frames, common supporting printing board; Each bracing frame is formed by the bending of sheet, and 4 bracing frames are around the outward opening of the described longitudinal axis and bending.This dual-polarization radiating unit has adopted printed circuit board (PCB) system (PCB) to make oscillator arms, and the Balanced or unbalanced transducer (Ba Lun) of its support composition is formed by flaky material bending, and electric consistency and structural strength are not easy to be guaranteed.
The new application demand constantly changing for communication system, exploitation had both had high reliability, and the Novel Bipolar radiating element that can meet again short period optimal design demand is most important.
Summary of the invention
The present inventor finds to have problems in above-mentioned prior art, and has therefore proposed a kind of new technical scheme at least one problem in described problem.
An object of the present invention is to provide a kind of technical scheme for dual-polarization radiating unit.
According to a first aspect of the invention, provide a kind of dual-polarization radiating unit, having comprised:
Printed circuit board (PCB);
Be produced on the radiation arm on described printed circuit board (PCB), for playing radiation and impedance matching effect;
The coaxial cable of direct feed;
Integrated supporting seat has formed the Ba Lun of balanced-unbalanced change action together with described coaxial cable outer conductor, supports described printed circuit board (PCB);
The tuning post of metal, is electrically connected with described radiation arm.
Alternatively, described integrated supporting seat comprises one-body molded base and 2 support columns, has formed the Ba Lun of balanced-unbalanced change action together with described coaxial cable outer conductor.
Alternatively, coaxial cable direct feed, without the coupling cable that plays impedance transformation effect.
Alternatively, radiation arm is divided into 2 groups, and totally 4 radiation arms, can radiation dual polarized signals.
Alternatively, each radiation arm profile is irregular polygon, and polygon has oval-shaped engraved structure.
Alternatively, each radiation arm profile is square, and the inside of described square radiation arm has the engraved structure of many places circle.
Alternatively, described radiation arm is produced on top layer and the bottom of described printed circuit board (PCB), and the shape of every layer of radiation arm is identical.
According to a further aspect in the invention, provide a kind of dual polarized antenna, comprise reflecting plate, feeding pack, and above-mentioned dual-polarization radiating unit.
Alternatively, integrated supporting seat is fixed on described reflecting plate by the bossing of bottom.
Alternatively, the coaxial cable that feeding pack is direct feed.
An advantage of the present invention is, adopts the radiation arm of making on integrated supporting seat and printed circuit board (PCB), has both had high reliability thereby realize one, can meet again the Novel Bipolar radiating element of short period optimal design demand; Meanwhile, by increase the tuning post of asymmetrical metal in radiating element, cross polarization and wave beam symmetric index have been improved.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Brief description of the drawings
The accompanying drawing that forms a part for specification has been described embodiments of the invention, and together with the description for explaining principle of the present invention.
With reference to accompanying drawing, according to detailed description below, can more be expressly understood the present invention, wherein:
Fig. 1 illustrates according to the structure chart of dual-polarization radiating unit of the present invention embodiment.
Fig. 2 illustrates according to the schematic diagram of first example of the upper radiation arm of PCB of the present invention.
Fig. 3 illustrates according to the schematic diagram of second example of the upper radiation arm of PCB of the present invention.
Fig. 4 illustrates according to the structural representation of a supporting seat example of the present invention.
Fig. 5 illustrates the partial schematic diagram of bracing frame and PCB combination according to an embodiment of the invention.
Embodiment
Describe various exemplary embodiment of the present invention in detail now with reference to accompanying drawing.It should be noted that: unless illustrate in addition, the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step do not limit the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Referring to Fig. 1, the dual-polarization radiating unit in the present embodiment comprises supporting seat, printed circuit board (PCB) 105, radiation arm 104, coaxial cable 102 and tuning post 103.Radiation arm 104 is produced on printed circuit board (PCB) (PCB) 105, plays radiation and impedance matching effect; Coaxial cable 102 direct feeds, for example, adopt 50 ohm coaxial cable direct feeds, without the coupling cable that plays impedance transformation effect; Supporting seat uses one-body molded mode to carry out processing and fabricating by base for supporting 100 and support bar 101 and forms, jointly rise and support and balancedunbalanced transformation as Ba Lun with coaxial cable 102, can realize higher structural strength and dimensional uniformity, thereby make radiating element have advantages of that structural reliability is high, electric property high conformity.Because PCB processing has the advantages that the cycle is short, precision is high, by shape and the size of amendment radiation arm, can realize optimizing and revising of electric property, meet the application demand of short period optimal design.Supporting seat can be by using mode and printed circuit board (PCB) 105 combinations of scolding tin welding.The tuning post 103 of metal, is electrically connected with radiation arm 104, for example, be welded on radiation arm 104, can improve cross polarization and wave beam symmetric index, its length approximately 1/10 operation wavelength.
In above-described embodiment, radiating element had both had high reliability, can meet again short period optimal design demand; Meanwhile, compare conventional design, the cross polarization of Novel radiation unit when wave beam symmetric index has clear improvement.
Introduce several examples of the upper radiation arm of PCB below.
Fig. 2 illustrates according to the schematic diagram of first example of the upper radiation arm of PCB of the present invention.
As shown in Figure 2, radiation arm 202 is produced on top layer and the bottom of pcb board 201, the profile of every layer of radiation arm is polygon, and shape is identical, the radiation arm of each layer all has 2 groups, totally 4, energy radiation dual polarized signals, each radiation arm profile is irregular polygon, and polygon has oval-shaped engraved structure, in order to improve the matching properties of radiating element.
Fig. 3 illustrates according to the schematic diagram of second example of the upper radiation arm of PCB of the present invention.
As shown in Figure 3, radiation arm 302 is produced on top layer and the bottom of pcb board 301, and the profile of every layer of radiation arm is polygon, and shape difference, and for improving the matching properties of radiating element, each layer of radiation arm all has 2 groups, individual altogether, can radiation dual polarized signals.
Introduce the object lesson that supporting seat is realized below.
Fig. 4 illustrates according to the structural representation of a supporting seat example of the present invention, supporting seat uses one-body molded mode to carry out processing and fabricating by base for supporting 100 and support bar 101 and forms, support and balancedunbalanced transformation with common the rising of coaxial cable 102, electrical connection is fixed and ensured to mode and the base for supporting 100 of coaxial cable 102 use scolding tin welding.
Fig. 5 illustrates bracing frame in above-mentioned example and the partial schematic diagram of PCB combination.As shown in Figure 5, the support bar 101 of supporting seat is fixedly connected with radiation arm 104 by welding manner with coaxial cable 102.
In the disclosure, the one-body molded mode of supporting seat that plays support and balancedunbalanced transformation in radiating element is carried out to processing and fabricating, the radiation arm that plays radiation and impedance corrective action is made of PCB, both there is high reliability thereby realize one, and can meet again the Novel Bipolar radiating element of short period optimal design demand; Meanwhile, the present invention, by increase the tuning post of asymmetrical metal in radiating element, has improved cross polarization and wave beam symmetric index, better meets application demand.
So far, described in detail according to dual-polarization radiating unit of the present invention and antenna thereof.For fear of covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. a dual-polarization radiating unit, is characterized in that, comprising:
Printed circuit board (PCB);
Be produced on the radiation arm on described printed circuit board (PCB), for playing radiation and impedance matching effect;
Coaxial cable;
Integrated supporting seat has formed the Ba Lun of balanced-unbalanced change action together with described coaxial cable outer conductor, supports described printed circuit board (PCB);
The tuning post of metal, is electrically connected with described radiation arm.
2. dual-polarization radiating unit as claimed in claim 1, is characterized in that, described integrated supporting seat comprises one-body molded base and 2 support columns, has formed the Ba Lun of balanced-unbalanced change action together with described coaxial cable outer conductor.
3. dual-polarization radiating unit as claimed in claim 1, is characterized in that, described coaxial cable direct feed, without the coupling cable that plays impedance transformation effect.
4. dual-polarization radiating unit as claimed in claim 1, is characterized in that, described radiation arm is divided into 2 groups, and totally 4 radiation arms, can radiation dual polarized signals.
5. dual-polarization radiating unit according to claim 4, is characterized in that, each radiation arm profile is irregular polygon, and polygon has oval-shaped engraved structure.
6. dual-polarization radiating unit according to claim 4, is characterized in that, each radiation arm profile is square, and the inside of described square radiation arm has the engraved structure of many places circle.
7. dual-polarization radiating unit according to claim 1, is characterized in that, described radiation arm is produced on top layer and the bottom of described printed circuit board (PCB), and the shape of every layer of radiation arm is identical.
8. a dual polarized antenna, is characterized in that, comprises reflecting plate, feeding pack, and dual-polarization radiating unit as claimed in any of claims 1 to 7 in one of claims.
9. antenna according to claim 8, is characterized in that, described integrated supporting seat is fixed on described reflecting plate by the bossing of bottom.
10. antenna according to claim 8, is characterized in that, the coaxial cable that described feeding pack is direct feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310170710.4A CN104143686A (en) | 2013-05-10 | 2013-05-10 | Dual-polarized radiation unit and antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310170710.4A CN104143686A (en) | 2013-05-10 | 2013-05-10 | Dual-polarized radiation unit and antenna |
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| CN104143686A true CN104143686A (en) | 2014-11-12 |
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| CN201310170710.4A Pending CN104143686A (en) | 2013-05-10 | 2013-05-10 | Dual-polarized radiation unit and antenna |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
| CN107046166A (en) * | 2016-08-31 | 2017-08-15 | 武汉虹信通信技术有限责任公司 | A kind of low section base station antenna radiation unit and antenna |
| WO2018072415A1 (en) * | 2016-10-20 | 2018-04-26 | 深圳国人通信股份有限公司 | Novel antenna radiation unit |
| WO2018072416A1 (en) * | 2016-10-20 | 2018-04-26 | 深圳国人通信股份有限公司 | Dual-polarised antenna |
| CN109560369A (en) * | 2018-12-27 | 2019-04-02 | 上海华测导航技术股份有限公司 | A kind of broadband satellite navigation antenna based on a period of time |
| CN110247172A (en) * | 2019-06-30 | 2019-09-17 | 瑞声光电科技（苏州）有限公司 | Antenna oscillator and array antenna |
| CN110323553A (en) * | 2019-04-01 | 2019-10-11 | 深圳三星通信技术研究有限公司 | The radiating element and antenna of antenna |
| CN110692167A (en) * | 2017-06-01 | 2020-01-14 | 华为技术有限公司 | Dual-polarization radiating element, antenna, base station and communication system |
| CN111106439A (en) * | 2019-05-31 | 2020-05-05 | 京信通信技术(广州)有限公司 | Base station antenna and dual-polarized antenna oscillator thereof |
| WO2020238299A1 (en) * | 2019-05-24 | 2020-12-03 | 中兴通讯股份有限公司 | Antenna oscillator, antenna unit, antenna, and communication device |
| WO2023082517A1 (en) * | 2021-11-11 | 2023-05-19 | 京信通信技术(广州)有限公司 | Radiating unit, antenna, and base station |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
| CN107046166A (en) * | 2016-08-31 | 2017-08-15 | 武汉虹信通信技术有限责任公司 | A kind of low section base station antenna radiation unit and antenna |
| WO2018072415A1 (en) * | 2016-10-20 | 2018-04-26 | 深圳国人通信股份有限公司 | Novel antenna radiation unit |
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| CN110692167A (en) * | 2017-06-01 | 2020-01-14 | 华为技术有限公司 | Dual-polarization radiating element, antenna, base station and communication system |
| US11043738B2 (en) | 2017-06-01 | 2021-06-22 | Huawei Technologies Co., Ltd. | Dual-polarized radiating element, antenna, base station, and communications system |
| CN109560369A (en) * | 2018-12-27 | 2019-04-02 | 上海华测导航技术股份有限公司 | A kind of broadband satellite navigation antenna based on a period of time |
| CN110323553A (en) * | 2019-04-01 | 2019-10-11 | 深圳三星通信技术研究有限公司 | The radiating element and antenna of antenna |
| US11936102B2 (en) | 2019-04-01 | 2024-03-19 | Samsung Electronics Co., Ltd. | Radiating element of antenna and antenna |
| WO2020238299A1 (en) * | 2019-05-24 | 2020-12-03 | 中兴通讯股份有限公司 | Antenna oscillator, antenna unit, antenna, and communication device |
| CN111106439A (en) * | 2019-05-31 | 2020-05-05 | 京信通信技术(广州)有限公司 | Base station antenna and dual-polarized antenna oscillator thereof |
| CN111106439B (en) * | 2019-05-31 | 2022-05-03 | 京信通信技术(广州)有限公司 | Base station antenna and dual-polarized antenna oscillator thereof |
| CN110247172A (en) * | 2019-06-30 | 2019-09-17 | 瑞声光电科技（苏州）有限公司 | Antenna oscillator and array antenna |
| WO2023082517A1 (en) * | 2021-11-11 | 2023-05-19 | 京信通信技术(广州)有限公司 | Radiating unit, antenna, and base station |
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Application publication date: 20141112 |
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