CN201887148U - High-performance broadband dual-frequency omnidirectional antenna - Google Patents
High-performance broadband dual-frequency omnidirectional antenna Download PDFInfo
- Publication number
- CN201887148U CN201887148U CN2010206099003U CN201020609900U CN201887148U CN 201887148 U CN201887148 U CN 201887148U CN 2010206099003 U CN2010206099003 U CN 2010206099003U CN 201020609900 U CN201020609900 U CN 201020609900U CN 201887148 U CN201887148 U CN 201887148U
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- CN
- China
- Prior art keywords
- oscillator
- antenna
- metal
- circular tube
- omnidirectional
- 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 - Lifetime
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
- H01Q9/22—Rigid rod or equivalent tubular element or elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
Abstract
The utility model discloses a high-performance broadband dual-frequency omnidirectional antenna. The high-performance broadband dual-frequency omnidirectional antenna is characterized by comprising a printed board, a metal circular tube vibrator and a microstrip omnidirectional vibrator, wherein the microstrip omnidirectional vibrator is arranged in the metal circular tube vibrator, two half-wave vibrators are arranged in parallel in the microstrip omnidirectional vibrator, a metal microstrip earthing wire connected with the metal circular tube vibrator is arranged between the two half-wave vibrators, and the microstrip omnidirectional vibrator and the metal microstrip earthing wire are arranged on the same plane of the printed board. Within the working frequency range, the high-performance broadband dual-frequency omnidirectional antenna has the advantages of low variation of vertical beam downtilt, low out-of-roundness, high antenna gain and consistency, strong capacity of resisting disturbance, simple structure, low cost, and the like.
Description
Technical field
The utility model relates to the antenna equipment technical field, more particularly relates to a kind of high-performance wideband, double frequency omnibearing antenna.
Background technology
In the communication system, the feeding classification between the omnidirectional antenna units that the outdoor cell signal covers has series feed and middle feedback at present, and feedback; Series feed shortcoming is that the beamwidth of antenna is narrow, and the angle of declination of antenna low-and high-frequency is inconsistent, and different angle of declination designs are more complicated, and the consistency of standing-wave ratio is bad, and it is lower to gain, and secondary lobe is bigger, and the deviation in roundness of level side figure influences coverage in each Frequency point difference.Conventional and to present shortcoming be that antenna volume is big, cable is many and cabling is complicated, and loss is big, has limited antenna and has not reached very high gain, and deviation in roundness is poor, produces complicatedly, and consistency is poor, the cost height.At present the omnidirectional antenna that uses the outdoor cell signal to cover all is a single-frequency, at single communication system network, different communication networks however with antenna and website is installed, cause the waste of resource.
Summary of the invention
The purpose of this utility model is exactly provide for the deficiency that solves prior art a kind of not only simple in structure, easily manufactured, the precision height, and cost is low, and is in light weight, high-performance, the high-performance wideband of minor diameter, double frequency omnibearing antenna.
The utility model is to adopt following technical solution to realize above-mentioned purpose: a kind of high-performance wideband, double frequency omnibearing antenna, it is characterized in that, it comprises printed board, metal circular tube oscillator and little band omnidirectional oscillator, and little band omnidirectional oscillator is positioned in the metal circular tube oscillator; Little half-wave dipole that is provided with two parallel placements in omnidirectional's oscillator of being with has the metal micro-strip earth connection that links to each other with the metal circular tube oscillator between the two half-wave oscillators, little band omnidirectional's oscillator and metal micro-strip earth connection are on the same plane of printed board.
As further specifying of such scheme, the half-wave dipole of described two parallel placements comprises four oscillator arms, four at one end directly continuous ground connection of oscillator arms.
Metal micro-strip earth connection between described two half-wave dipoles equates to the distance of two half-wave oscillators.
Four each oscillator arms of described two half-wave oscillators directly link to each other with the metal micro-strip earth connection at abutting end, and the inboard of oscillator arms and outer end and metal earth connection have certain distance.
One side of described printed board is provided with microstrip feed line, little band omnidirectional oscillator carries out direct feed by microstrip feed line, there is a plated-through hole to make distributing point between microstrip feed line and the little band omnidirectional oscillator, signal is input to antenna by microstrip feed line, and the microstrip feed line between Unit two is connected by a microstrip transmission line.
The center-aligned of described metal circular tube oscillator and little band omnidirectional oscillator, metal circular tube oscillator inwall has certain distance to the outer arm of little band omnidirectional oscillator.
The feeding classification of described metal circular tube oscillator is and the feed that is coupled by the printed board oscillator.
Described metal oscillator supports with plastic column and is positioned in the printed board.
Described antenna length is less than 1.7 meters, diameter is less than 32 millimeters, working frequency is 1.7GHz～2.7GHz, deviation in roundness is less than ± 0.75dB, (1.7GHz～2.3GHz) E ground roll beam width is 5 degree to low frequency, and (2.3GHz～2.7GHz) E ground roll beam width is 4.2 degree to high frequency, and the groundwork low-frequency gain is greater than 11dB, the groundwork high-frequency gain is 12dB, and 1.7GHz～2.7GHz average gain is greater than 11.5dB.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is:
1, the utility model comprises 16 unit oscillators, a metal tube and a novel micro-strip oscillator, micro-strip oscillator is positioned in the middle of the metal tube, connects with microstrip transmission line between Unit two, simplified processing technology, improved precision, greatly reduced production cost, antenna diameter is little, convenient installation interference resistance is strong, simple in structure, cost, the communication network of two different frequencies can use advantages such as an antenna and installation website.
2, a unit of the present utility model has a metal tube and two half-wave micro-strip oscillators to form wideband, double frequency omnibearing antenna, according to facts have proved, compared with prior art, the interval between two frequency ranges can be adjusted in the wideband of this principle, dual-band antenna adjustment outside metal circular tube and little band omnidirectional's oscillator length and gap etc., also can form a UWB (Ultra Wideband) Antenna unit, the vertical beam angle of declination of working frequency range internal antenna changes little, deviation in roundness is little, the consistency height, gain is high, a plurality of unit of convenient design.
Description of drawings
Fig. 1 is the utility model feeding network and antenna schematic diagram;
Fig. 2 is the enlarged drawing of A among Fig. 1;
Fig. 3 is the utility model actual measurement groundwork frequency antenna gain diagram;
Fig. 4 is the utility model actual measurement full frequency band antenna gain pattern;
Fig. 5 is the utility model actual measurement full frequency band antenna E ground roll beam width figure;
Fig. 6 is the utility model 16 element antenna schematic diagrames;
Fig. 7 is the enlarged drawing of B, C among Fig. 6;
Fig. 8 is the utility model 16 element antenna schematic diagrames;
Fig. 9 is the enlarged drawing of D, E among Fig. 8.
Description of reference numerals: 1, printed board, 2, metal circular tube oscillator, 3, plastic support post, 4, screw 5, a kind of novel little band omnidirectional oscillator, 6, metal micro-strip line, 7, microstrip feed line, 8, distributing point, 9, microstrip transmission line, 10, cable, 11, power splitter, A, eight unit printed boards, B, eight unit printed boards
Embodiment
As Fig. 1～shown in Figure 5, the utility model is a kind of double frequency omnibearing antenna of composite type minor diameter, mainly comprises printed board 1, metal circular tube oscillator 2, plastic support post 3, a kind of novel little band omnidirectional oscillator 5; Little band omnidirectional oscillator 5 has two half-wave dipoles, two parallel placements of half-wave dipole, four oscillator arms ground connection that at one end directly link to each other, have between the two half-wave oscillators one with the oscillator metal micro-strip line 6 that directly links to each other, little band omnidirectional's oscillator 5 and metal micro-strip earth connection 6 are on the same plane of printed board 1; Little band omnidirectional oscillator 5 is that the microstrip feed line 7 by the opposite side of printed board 1 carries out direct feed, there is a plated-through hole 8 to make distributing point between microstrip feed line 7 and the little band omnidirectional oscillator 5, signal is input to antenna by microstrip feed line 7, and the microstrip feed line 7 between Unit two is connected by microstrip transmission line 9; Between the two little band omnidirectional oscillators 5 a rectangular little band metal ground plane is arranged, printed board A and B have eight unit respectively, have printed board A one end of power splitter and the lower end of printed board B to couple together, omnidirectional's printed board part of one 16 unit of assembling.Described antenna length is less than 1.7 meters, diameter is less than 32 millimeters, working frequency is 1.7GHz～2.7GHz, deviation in roundness is less than ± 0.75dB, (1.7GHz～2.3GHz) E ground roll beam width is 5 degree to low frequency, and (2.3GHz～2.7GHz) E ground roll beam width is 4.2 degree to high frequency, and the groundwork low-frequency gain is greater than 11dB, the groundwork high-frequency gain is 12dB, and 1.7GHz～2.7GHz average gain is greater than 11.5dB.
Unit two arrive as a subelement, pass through cable 10 between Unit four, link to each other with power splitter 11, cable is placed on the center of the oscillator face of printed board, and cable 10 outer conductors are welded on the microstrip line 6, and inner wire passes printed board, be welded on a port of power splitter 11, Unit four are to Unit eight, and Unit six, Unit to ten eight connect by same principle, specifically see accompanying drawing 1.
As Fig. 6～shown in Figure 9, printed board 1 is positioned in the metal circular tube oscillator 2, little band omnidirectional's oscillator 5 and metal circular tube oscillator 2 have certain interval, little energy of omnidirectional's oscillator 5 of being with is directly coupled on the metal circular tube oscillator, the center-aligned of the center of metal circular tube oscillator 2 and little band omnidirectional oscillator, metal circular tube oscillator 2 is by plastic support post 3 and printed board 1 location, and plastic support post 3 is fixed by screw 4 and printed board.
The utility model is not limited to above-mentioned execution mode, and those skilled in the art can do numerous modifications and variations, is not breaking away under the spirit of the present utility model, all in the claimed scope of the utility model.
Claims (8)
1. a high-performance wideband, double frequency omnibearing antenna is characterized in that, it comprises printed board, metal circular tube oscillator and little band omnidirectional oscillator, and little band omnidirectional oscillator is positioned in the metal circular tube oscillator; Little half-wave dipole that is provided with two parallel placements in omnidirectional's oscillator of being with has the metal micro-strip earth connection that links to each other with the metal circular tube oscillator between the two half-wave oscillators, little band omnidirectional's oscillator and metal micro-strip earth connection are on the same plane of printed board.
2. high-performance wideband according to claim 1, double frequency omnibearing antenna is characterized in that, the half-wave dipole of described two parallel placements comprises four oscillator arms, four at one end directly continuous ground connection of oscillator arms.
3. high-performance wideband according to claim 1 and 2, double frequency omnibearing antenna is characterized in that, the metal micro-strip earth connection between described two half-wave dipoles equates to the distance of two half-wave oscillators.
4. high-performance wideband according to claim 2, double frequency omnibearing antenna is characterized in that, four each oscillator arms of described two half-wave oscillators directly link to each other with the metal micro-strip earth connection at abutting end, and the inboard of oscillator arms and outer end and metal earth connection have certain distance.
5. high-performance wideband according to claim 1, double frequency omnibearing antenna, it is characterized in that, one side of described printed board is provided with microstrip feed line, little band omnidirectional oscillator carries out direct feed by microstrip feed line, there is a plated-through hole to make distributing point between microstrip feed line and the little band omnidirectional oscillator, signal is input to antenna by microstrip feed line, and the microstrip feed line between Unit two is connected by a microstrip transmission line.
6. high-performance wideband according to claim 1, double frequency omnibearing antenna is characterized in that, the center-aligned of described metal circular tube oscillator and little band omnidirectional oscillator, and metal circular tube oscillator inwall has certain distance to the outer arm of little band omnidirectional oscillator.
7. high-performance wideband according to claim 1, double frequency omnibearing antenna is characterized in that, the feeding classification of described metal circular tube oscillator is and the feed that is coupled by the printed board oscillator.
8. high-performance wideband according to claim 1, double frequency omnibearing antenna is characterized in that, described metal oscillator supports with plastic column and is positioned in the printed board.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206099003U CN201887148U (en) | 2010-11-16 | 2010-11-16 | High-performance broadband dual-frequency omnidirectional antenna |
| JP2013600074U JP3188489U (en) | 2010-11-16 | 2011-05-23 | High performance broadband, dual frequency omnidirectional antenna |
| PCT/CN2011/074489 WO2012065421A1 (en) | 2010-11-16 | 2011-05-23 | Broadband and dual-band omni-directional antenna with high performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206099003U CN201887148U (en) | 2010-11-16 | 2010-11-16 | High-performance broadband dual-frequency omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887148U true CN201887148U (en) | 2011-06-29 |
Family
ID=44184697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206099003U Expired - Lifetime CN201887148U (en) | 2010-11-16 | 2010-11-16 | High-performance broadband dual-frequency omnidirectional antenna |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3188489U (en) |
| CN (1) | CN201887148U (en) |
| WO (1) | WO2012065421A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760944A (en) * | 2012-07-30 | 2012-10-31 | 哈尔滨工业大学 | Omnidirectional radiation vibrator array antenna for loaded coupled feeding |
| CN105490010A (en) * | 2016-02-19 | 2016-04-13 | 广东中元创新科技有限公司 | Electron beam double-broadband half-wave antenna |
| CN106654535A (en) * | 2016-12-14 | 2017-05-10 | 南京理工大学 | Ground measurement and control antenna of unmanned aerial vehicle |
| CN107591614A (en) * | 2017-08-17 | 2018-01-16 | 上海安费诺永亿通讯电子有限公司 | A kind of high-gain omni-directional array antenna |
| CN110137697A (en) * | 2018-10-18 | 2019-08-16 | 武汉滨湖电子有限责任公司 | A kind of low out-of-roundness omnidirectional antenna |
| CN110380194A (en) * | 2019-06-14 | 2019-10-25 | 广东曼克维通信科技有限公司 | Omni-directional antenna arrays |
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| JP5964487B1 (en) * | 2015-07-27 | 2016-08-03 | 日本アンテナ株式会社 | Broadband antenna |
| CN107634322A (en) * | 2017-08-09 | 2018-01-26 | 广东通宇通讯股份有限公司 | Double frequency high-gain omni-directional antenna |
| CN107732440B (en) * | 2017-09-08 | 2024-01-05 | 广东通宇通讯股份有限公司 | Ultra-wideband high-gain beam upward-tilting omnidirectional antenna |
| CN107732441B (en) * | 2017-09-13 | 2023-11-24 | 广东通宇通讯股份有限公司 | Wave beam upward-tilting high-gain omnidirectional antenna |
| CN107768793A (en) * | 2017-11-20 | 2018-03-06 | 广东通宇通讯股份有限公司 | A kind of big L/D ratio omnidirectional antenna |
| CN113471679B (en) * | 2021-06-27 | 2023-03-24 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Quick-locking folding portable pair Zhou Tianxian vibrator and vibrator feed seat thereof |
| US11799212B2 (en) * | 2021-10-04 | 2023-10-24 | Mirach Sas Di Annamaria Saveri & C. | Collinear antenna array |
| CN114256627B (en) * | 2021-12-22 | 2024-03-29 | 上海海积信息科技股份有限公司 | Ultra-wideband antenna |
| CN116864958B (en) * | 2023-05-30 | 2024-04-02 | 中煤科工集团武汉设计研究院有限公司 | Colliery is radio wave omnidirectional receiving antenna in pit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666578B2 (en) * | 1988-02-13 | 1994-08-24 | 日本電業工作株式会社 | Omnidirectional microstrip antenna |
| JPH0555610U (en) * | 1991-12-24 | 1993-07-23 | 日本電業工作株式会社 | Dipole antenna |
| JPH0773164B2 (en) * | 1992-05-21 | 1995-08-02 | 日本電業工作株式会社 | Omnidirectional microstrip antenna |
| JP2005117493A (en) * | 2003-10-09 | 2005-04-28 | Nippon Dengyo Kosaku Co Ltd | Frequency sharing nondirectional antenna and array antenna |
| US7443345B2 (en) * | 2005-05-18 | 2008-10-28 | Hitachi Cable, Ltd. | Antenna device |
| CN1832252A (en) * | 2006-03-22 | 2006-09-13 | 北京航空航天大学 | Cross feed broad-band omnidirectional antenna |
| CN101459279A (en) * | 2007-12-14 | 2009-06-17 | 佳邦科技股份有限公司 | Array type dipole antenna device |
-
2010
- 2010-11-16 CN CN2010206099003U patent/CN201887148U/en not_active Expired - Lifetime
-
2011
- 2011-05-23 JP JP2013600074U patent/JP3188489U/en not_active Expired - Lifetime
- 2011-05-23 WO PCT/CN2011/074489 patent/WO2012065421A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760944A (en) * | 2012-07-30 | 2012-10-31 | 哈尔滨工业大学 | Omnidirectional radiation vibrator array antenna for loaded coupled feeding |
| CN105490010A (en) * | 2016-02-19 | 2016-04-13 | 广东中元创新科技有限公司 | Electron beam double-broadband half-wave antenna |
| CN105490010B (en) * | 2016-02-19 | 2019-01-18 | 广东中元创新科技有限公司 | The double wideband half-wave antennas of electric wire |
| CN106654535A (en) * | 2016-12-14 | 2017-05-10 | 南京理工大学 | Ground measurement and control antenna of unmanned aerial vehicle |
| CN107591614A (en) * | 2017-08-17 | 2018-01-16 | 上海安费诺永亿通讯电子有限公司 | A kind of high-gain omni-directional array antenna |
| CN110137697A (en) * | 2018-10-18 | 2019-08-16 | 武汉滨湖电子有限责任公司 | A kind of low out-of-roundness omnidirectional antenna |
| CN110380194A (en) * | 2019-06-14 | 2019-10-25 | 广东曼克维通信科技有限公司 | Omni-directional antenna arrays |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012065421A1 (en) | 2012-05-24 |
| JP3188489U (en) | 2014-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |