CN102593580A - Ultra-wideband omnidirectional radiation bipolar wire antenna - Google Patents
Ultra-wideband omnidirectional radiation bipolar wire antenna Download PDFInfo
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- CN102593580A CN102593580A CN2012100873899A CN201210087389A CN102593580A CN 102593580 A CN102593580 A CN 102593580A CN 2012100873899 A CN2012100873899 A CN 2012100873899A CN 201210087389 A CN201210087389 A CN 201210087389A CN 102593580 A CN102593580 A CN 102593580A
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Abstract
The invention relates to an ultra-wideband omnidirectional radiation bipolar wire antenna, which relates to an ultra-wideband bipolar wire antenna, and aims at solving the problems of the present wire antenna that wideband indexes are low and the omni-directivity of a directional diagram is unstable. Four first wire antenna units are intersected and uniformly distributed, symmetric lines of the four first wire antenna units are overlapped, an intersected point of four first metal rods which are bent into a semicircular shape is arranged on the lowermost end of a first-grade wire antennas, and a loading metal body wraps the intersected point of the four metal rods which are bent into the semicircular shape; four second wire antenna units are intersected and are uniformly distributed, symmetric lines of the four second wire antenna units are overlapped, an intersected point of four second metal rods which are bent into a semicircular shape is arranged on the uppermost end of a second-grade wire antenna, a shielding layer is coated onto a core wire, a feeding coaxial wire is vertically arranged on the center of the second wire antenna units, and the upper end of a core wire of the feeding coaxial wire is connected with the loading metal body. The ultra-wideband omnidirectional radiation bipolar wire antenna is used as an element to transmit or receive electromagnetic waves in an ultra-wideband wireless communication system.
Description
Technical field
The present invention relates to a kind of ultra broadband twin-stage wire antenna.
Background technology
Existing wire antenna comprises Sinuous Antenna, line awl antenna and butterfly wire antenna, and above-mentioned wire antenna all has broadband character, but existing wire antenna broadband index is low, the directional diagram omni-directional unstable, can not be applicable to fields such as electromagnetic environment monitor, spectrum measurement.
Summary of the invention
The present invention is low, the directional diagram omni-directional problem of unstable of solution existing wire antenna broadband index, and then a kind of ultra wideband omni-directional radiation twin-stage wire antenna is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: ultra wideband omni-directional radiation twin-stage wire antenna of the present invention is made up of first order wire antenna and second level wire antenna; Said first order wire antenna be positioned at second level wire antenna directly over; First order wire antenna is made up of metal-loaded body and four first wire antenna element; Each first wire antenna element bends to semicircular metallic rod, first cross bar and two first montants by first and constitutes; Each first bend to semicircular metallic rod two ends form first enclosed construction with the two ends of corresponding one first cross bar; Be provided with two first montants in each first enclosed construction; The upper end of every first montant and corresponding first cross bar connect, and the lower end of every first montant and corresponding first bends to semicircular metallic rod and connects, and four first wire antenna element are intersected the line of symmetry coincidence that is uniformly distributed with setting and four first wire antenna element; Four first intersection points that bend to semicircular metallic rod are positioned at first order wire antenna bottom, and said metal-loaded body is coated on four the first intersection point places that bend to semicircular metallic rod;
Second level wire antenna is made up of feed coaxial line and four second wire antenna element; Each second wire antenna element bends to semicircular metallic rod, second cross bar and two second montants by second and constitutes; Each second bend to semicircular metallic rod two ends form second enclosed construction with the two ends of corresponding one second cross bar; Be provided with two second montants in each second enclosed construction, the upper end of every second montant and corresponding second bends to semicircular metallic rod and connects, the lower end of every second montant and corresponding second cross bar connection; Four second wire antenna element intersections are uniformly distributed with the line of symmetry coincidence of setting and four second wire antenna element; Four second intersection points that bend to semicircular metallic rod are positioned at the top of second level wire antenna, and said feed coaxial line is made up of screen and heart yearn, and screen is coated on the heart yearn; Said feed coaxial line vertically is arranged on the center of second wire antenna element, and the upper end of the heart yearn of feed coaxial line is connected with the metal-loaded body.
The present invention has following beneficial effect: first order wire antenna and second level wire antenna that ultra wideband omni-directional radiation twin-stage wire antenna of the present invention adopts have kept circular contour; And first order wire antenna is provided with the metal-loaded body; Compare with the butterfly wire antenna with existing Sinuous Antenna, line awl antenna; Through the Broadband Matching of metal-loaded body, realized ultra wide impedance broadband; The present invention adopts the chi structure that bends to semicircular metallic rod, has improved omnidirectional's characteristic of antenna pattern greatly, and the isochrone structural antenna has alleviated the weight of antenna, thereby has improved the wind resistance of antenna;
Ultra wideband omni-directional radiation twin-stage wire antenna of the present invention can evenly receive the signal of all directions, and applied range is applicable to that electromagnetic environment monitor, spectrum measurement, signal disturb the field that antenna omnidirectional property is had relatively high expectations.
Description of drawings
Fig. 1 is the schematic perspective view of ultra wideband omni-directional radiation twin-stage wire antenna of the present invention; Fig. 2 is the vertical view of Fig. 1; Fig. 3 be in the embodiment one first wire antenna element about NN symmetry sketch map, Fig. 4 be in the embodiment one second wire antenna element about MM symmetry sketch map.
Embodiment
Embodiment one: combine Fig. 1～4 explanations; The ultra wideband omni-directional radiation twin-stage wire antenna of this execution mode is made up of first order wire antenna 1 and second level wire antenna 2; Said first order wire antenna 1 be positioned at second level wire antenna 2 directly over; First order wire antenna 1 is made up of metal-loaded body 1-1 and four first wire antenna element 1-2; Each first wire antenna element 1-2 bends to semicircular metallic rod 1-2-1, the first cross bar 1-2-2 and two first montant 1-2-3 by first and constitutes; Each first bend to semicircular metallic rod 1-2-1 two ends form first enclosed construction with the two ends of corresponding one first cross bar 1-2-2; Be provided with two first montant 1-2-3 in each first enclosed construction; The upper end of every first montant 1-2-3 and the corresponding first cross bar 1-2-2 connect, and the lower end of every first montant 1-2-3 and corresponding first bends to semicircular metallic rod 1-2-1 and connects, and four first wire antenna element 1-2 intersect the line of symmetry N coincidence that is uniformly distributed with setting and four first wire antenna element 1-2; Four first intersection points that bend to semicircular metallic rod 1-2-1 are positioned at first order wire antenna 1 bottom, and said metal-loaded body 1-1 is coated on four the first intersection point places that bend to semicircular metallic rod 1-2-1;
Second level wire antenna 2 is made up of feed coaxial line 2-1 and four second wire antenna element 2-2; Each second wire antenna element 2-2 bends to semicircular metallic rod 2-2-1, the second cross bar 2-2-2 and two second montant 2-2-3 by second and constitutes; Each second bend to semicircular metallic rod 2-2-1 two ends form second enclosed construction with the two ends of corresponding one second cross bar 2-2-2; Be provided with two second montant 2-2-3 in each second enclosed construction; The upper end of every second montant 2-2-3 and corresponding second bends to semicircular metallic rod 2-2-1 and connects; The lower end of every second montant 2-2-3 connects with the second corresponding cross bar 2-2-2; Four second wire antenna element 2-2 intersections are uniformly distributed with the line of symmetry M coincidence of setting and four second wire antenna element 2-2; Four second intersection points that bend to semicircular metallic rod 2-2-1 are positioned at the top of second level wire antenna 2, and said feed coaxial line 2-1 is made up of screen 2-1-1 and heart yearn 2-1-2, and screen 2-1-1 is coated on the heart yearn 2-1-2; Said feed coaxial line 2-1 vertically is arranged on the center of the second wire antenna element 2-2, and the upper end of the heart yearn 2-1-2 of feed coaxial line 2-1 is connected with metal-loaded body 1-1.
The operating frequency of ultra wideband omni-directional radiation twin-stage wire antenna of the present invention is 0.45GHz～28.4GHz, standing-wave ratio VSWR＜2, and antenna gain＞0dB, input impedance is 500hm, directivity is 360 ° of omnidirectional radiations.
Embodiment two: combine Fig. 1 explanation, the length L of the said first cross bar 1-2-2 of this execution mode and the second cross bar 2-2-2 is 160mm.So design, increased effective low frequency radiation electrical length of antenna, expanded the lower limit of the lowest operating frequency of antenna.Other composition is identical with execution mode one with annexation.
Embodiment three: combine Fig. 1 explanation, the height H of the said twin-stage wire antenna of this execution mode is 163mm.So design, the height of first order wire antenna 1 is 80mm, approximates 1/8th of maximum functional wavelength, has antenna miniaturization effect preferably.Other composition is identical with execution mode one or two with annexation.
Embodiment four: the profile of the said metal-loaded body of this execution mode 1-1 is little semi-spherical shape.So design can improve antenna especially impedance matching of high band in utmost point broadband, realizes the ultra broadband characteristic of antenna.Other composition is identical with execution mode three with annexation.
Embodiment five: the cylindrical shape of profile of the said metal-loaded body of this execution mode 1-1.So design can improve antenna especially impedance matching of high band in utmost point broadband, realizes the ultra broadband characteristic of antenna.Other composition is identical with execution mode three with annexation.
Embodiment six: the profile of the said metal-loaded body of this execution mode 1-1 is truncated conical shape.So design can improve antenna especially impedance matching of high band in utmost point broadband, realizes the ultra broadband characteristic of antenna.Other composition is identical with execution mode three with annexation.
Operation principle:
Ultra wideband omni-directional radiation twin-stage wire antenna of the present invention can be used in the super broad band radio communication system as emission or receives electromagnetic element.When as transmitting antenna, signal generator links to each other through feed coaxial line 2-1 with antenna, outwards omnidirectional electromagnetic wave; When as reception antenna, instruments such as vector network analyzer link to each other through feed coaxial line 2-1 with antenna, receive the electromagnetic wave of extraneous radiation, obtain its time domain waveform or frequency spectrum, thereby radiation are analyzed to external world.
Claims (6)
1. ultra wideband omni-directional radiation twin-stage wire antenna; Said twin-stage wire antenna is made up of first order wire antenna (1) and second level wire antenna (2); Said first order wire antenna (1) be positioned at second level wire antenna (2) directly over; It is characterized in that: first order wire antenna (1) is made up of metal-loaded body (1-1) and four first wire antenna element (1-2); Each first wire antenna element (1-2) bends to semicircular metallic rod (1-2-1), first cross bar (1-2-2) and two first montants (1-2-3) by first and constitutes; Each first bend to semicircular metallic rod (1-2-1) two ends form first enclosed construction with the two ends of corresponding one first cross bar (1-2-2); Be provided with two first montants (1-2-3) in each first enclosed construction; The upper end of every first montant (1-2-3) and corresponding first cross bar (1-2-2) connect, and the lower end of every first montant (1-2-3) and corresponding first bends to semicircular metallic rod (1-2-1) and connects, and four first wire antenna element (1-2) are intersected line of symmetry (N) coincidence that is uniformly distributed with setting and four first wire antenna element (1-2); Four first intersection points that bend to semicircular metallic rod (1-2-1) are positioned at first order wire antenna (1) bottom, and said metal-loaded body (1-1) is coated on four the first intersection point places that bend to semicircular metallic rod (1-2-1);
Second level wire antenna (2) is made up of feed coaxial line (2-1) and four second wire antenna element (2-2); Each second wire antenna element (2-2) bends to semicircular metallic rod (2-2-1), second cross bar (2-2-2) and two second montants (2-2-3) by second and constitutes; Each second bend to semicircular metallic rod (2-2-1) two ends form second enclosed construction with the two ends of corresponding one second cross bar (2-2-2); Be provided with two second montants (2-2-3) in each second enclosed construction; The upper end of every second montant (2-2-3) and corresponding second bends to semicircular metallic rod (2-2-1) and connects; The lower end of every second montant (2-2-3) connects with corresponding second cross bar (2-2-2); The line of symmetry (M) that four second wire antenna element (2-2) intersection is uniformly distributed with setting and four second wire antenna element (2-2) overlaps; Four second intersection points that bend to semicircular metallic rod (2-2-1) are positioned at the top of second level wire antenna (2), and said feed coaxial line (2-1) is made up of screen (2-1-1) and heart yearn (2-1-2), and screen (2-1-1) is coated on the heart yearn (2-1-2); Said feed coaxial line (2-1) vertically is arranged on the center of second wire antenna element (2-2), and the upper end of the heart yearn (2-1-2) of feed coaxial line (2-1) is connected with metal-loaded body (1-1).
2. ultra wideband omni-directional radiation twin-stage wire antenna according to claim 1 is characterized in that: the length (L) of said first cross bar (1-2-2) and second cross bar (2-2-2) is 160mm.
3. ultra wideband omni-directional radiation twin-stage wire antenna according to claim 1 and 2 is characterized in that: the height of said twin-stage wire antenna (H) is 163mm.
4. ultra wideband omni-directional radiation twin-stage wire antenna according to claim 3, it is characterized in that: the profile of said metal-loaded body (1-1) is little semi-spherical shape.
5. ultra wideband omni-directional radiation twin-stage wire antenna according to claim 3 is characterized in that: the cylindrical shape of profile of said metal-loaded body (1-1).
6. ultra wideband omni-directional radiation twin-stage wire antenna according to claim 3, it is characterized in that: the profile of said metal-loaded body (1-1) is truncated conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210087389.9A CN102593580B (en) | 2012-03-29 | 2012-03-29 | Ultra-wideband omnidirectional radiation bipolar wire antenna |
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| CN201210087389.9A CN102593580B (en) | 2012-03-29 | 2012-03-29 | Ultra-wideband omnidirectional radiation bipolar wire antenna |
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| CN102593580A true CN102593580A (en) | 2012-07-18 |
| CN102593580B CN102593580B (en) | 2014-04-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825102A (en) * | 2014-03-19 | 2014-05-28 | 哈尔滨工业大学 | Ultra wide band symmetric biconical antenna with compound curve as bus |
| CN106961007A (en) * | 2017-04-06 | 2017-07-18 | 哈尔滨工业大学 | A kind of small-sized intersection bending omnidirectional ultra-wideband antenna |
| CN112751177A (en) * | 2021-02-02 | 2021-05-04 | 深圳市中天迅通信技术股份有限公司 | High-isolation co-polarized 5G full-band omnidirectional antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5872546A (en) * | 1995-09-27 | 1999-02-16 | Ntt Mobile Communications Network Inc. | Broadband antenna using a semicircular radiator |
| CN201210513Y (en) * | 2008-03-12 | 2009-03-18 | 王威 | Micro medium wave emission antenna of double rotation surfaces |
| CN101682115A (en) * | 2007-06-12 | 2010-03-24 | 汤姆逊许可公司 | Omnidirectional volumetric antenna |
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
-
2012
- 2012-03-29 CN CN201210087389.9A patent/CN102593580B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5872546A (en) * | 1995-09-27 | 1999-02-16 | Ntt Mobile Communications Network Inc. | Broadband antenna using a semicircular radiator |
| CN101682115A (en) * | 2007-06-12 | 2010-03-24 | 汤姆逊许可公司 | Omnidirectional volumetric antenna |
| CN201210513Y (en) * | 2008-03-12 | 2009-03-18 | 王威 | Micro medium wave emission antenna of double rotation surfaces |
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
Non-Patent Citations (2)
| Title |
|---|
| 张鹏宇: "超宽带半圆片全向天线的设计", 《中国优秀硕士论文电子期刊网》, 2 March 2012 (2012-03-02), pages 36 - 39 * |
| 田志勇: "电磁兼容宽带测量线天线研究", 《中国优秀硕士论文电子期刊网》, 2 December 2011 (2011-12-02) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825102A (en) * | 2014-03-19 | 2014-05-28 | 哈尔滨工业大学 | Ultra wide band symmetric biconical antenna with compound curve as bus |
| CN103825102B (en) * | 2014-03-19 | 2016-10-05 | 哈尔滨工业大学 | A kind of bus is the ultra broadband symmetry biconical antenna of composite curve |
| CN106961007A (en) * | 2017-04-06 | 2017-07-18 | 哈尔滨工业大学 | A kind of small-sized intersection bending omnidirectional ultra-wideband antenna |
| CN112751177A (en) * | 2021-02-02 | 2021-05-04 | 深圳市中天迅通信技术股份有限公司 | High-isolation co-polarized 5G full-band omnidirectional antenna |
| CN112751177B (en) * | 2021-02-02 | 2022-01-25 | 深圳市中天迅通信技术股份有限公司 | High-isolation co-polarized 5G full-band omnidirectional antenna |
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| CN102593580B (en) | 2014-04-02 |
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