CN106961007A - A kind of small-sized intersection bending omnidirectional ultra-wideband antenna - Google Patents
A kind of small-sized intersection bending omnidirectional ultra-wideband antenna Download PDFInfo
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- CN106961007A CN106961007A CN201710221057.8A CN201710221057A CN106961007A CN 106961007 A CN106961007 A CN 106961007A CN 201710221057 A CN201710221057 A CN 201710221057A CN 106961007 A CN106961007 A CN 106961007A
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- Prior art keywords
- dipole
- wideband antenna
- halfround bar
- ultra
- coaxial line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
A kind of small-sized intersection bending omnidirectional ultra-wideband antenna, is related to a kind of intersection bending omnidirectional ultra-wideband antenna, omnidirectional radiation, the problem of cross-sectional area is larger can not be realized in order to solve existing Miniaturisation ultra-wideband antenna.The radius of 4 halfround bar slices is identical, halfround bar slice intersecting vertical two-by-two, two dipoles, respectively dipole one and dipole two are formed, coaxial line is located at the center line of halfround bar slice, coaxial line is connected through dipole two with dipole one, the circular arc portions of two dipoles is relative, and the distance on two dipole circular arc tops is h1, every halfround bar slice equal 90-degree bent in the counterclockwise direction at the r/2 of the straight flange left and right sides, h1 is positive number, and r is the radius of halfround bar slice.The present invention is applied to the occasion of application omnidirectional ultra-wideband antenna.
Description
Technical field
Intersect bending omnidirectional ultra-wideband antenna the present invention relates to one kind.
Background technology
In recent years, arrival with the development of science and technology with the information age, Ultra-wideband Communication Technology has obtained hair at full speed
Exhibition, it has small range and the ultra wide band concatenation ability of wireless device.It is small as super-broadband tech is increasingly widely applied
Xing Hua omnidirectionals ultra-wideband antenna becomes study hotspot.Omnidirectional's ultra-wideband antenna is studied, on civilian or in military affairs all
There is the prospect of being widely applied and important realistic meaning.
But existing Miniaturisation ultra-wideband antenna can not realize omnidirectional radiation, and horizontal area it is larger, it is necessary to peace
Fill space big.
The content of the invention
The invention aims to solve existing Miniaturisation ultra-wideband antenna not realizing omnidirectional radiation, cross-sectional area
Larger the problem of, so as to provide a kind of small-sized intersection bending omnidirectional ultra-wideband antenna.
A kind of small-sized intersection bending omnidirectional ultra-wideband antenna of the present invention, including 4 halfround bar slices and 1 coaxial line；
The radius of 4 halfround bar slices is identical, halfround bar slice intersecting vertical two-by-two, forms two dipoles, respectively dipole one
With dipole two, coaxial line is located at the center line of halfround bar slice, and coaxial line is connected through dipole two with dipole one, two dipoles
The circular arc portion of son is relative, and the distance on two dipole circular arc tops is h1, and every halfround bar slice is at the r/2 of the straight flange left and right sides
Equal 90-degree bents in the counterclockwise direction, h1 is positive number, and r is the radius of halfround bar slice.
The preferred parameter of the coaxial line contacted with dipole one is that the diameter a of inner core is 0.9mm, and the diameter b of dielectric layer is
3.2mm, the relative dielectric constant ε r of medium are 2.43, and the thickness c of crust is 0.1mm.
Preferred parameter is that r is 16mm, and the length of coaxial line is 68mm, and h1 is 1mm.
Understood according to disk monopole antenna theory analysis and the result of research, and to disk surfaces amperometry, electricity
Stream is radiated along disk the latter half, and disk top half does not have electric current transmission substantially.Therefore, it is right in order to reduce antenna size
Disk know clearly cutting and obtain halfround bar slice.Symmetry in horizontal direction is the basic demand of antenna omnidirectional radiation, therefore,
Halfround bar slice dipole antenna is further improved, using the mode of intersection, small-sized intersection bending omnidirectional ultra wide band is obtained
Antenna.The antenna of the present invention can realize omnidirectional radiation, by bending, and the cross-sectional area of antenna reduces, and reduces installing space.
The present invention is applied to the occasion of application omnidirectional ultra-wideband antenna.
Brief description of the drawings
Fig. 1 is a kind of stereochemical structure signal of small-sized intersection bending omnidirectional ultra-wideband antenna described in embodiment one
Figure；
Fig. 2 is a kind of top view of small-sized intersection bending omnidirectional ultra-wideband antenna in embodiment one；
Fig. 3 is the structural representation of the coaxial line in embodiment two；
Fig. 4 is to emulate obtained S11 curve maps in embodiment four；
Fig. 5 is H faces directional diagram when emulating obtained 3.2GHz in embodiment four；
Fig. 6 is H faces directional diagram when emulating obtained 6.5GHz in embodiment four；
Fig. 7 is H faces directional diagram when emulating obtained 10GHz in embodiment four；
Fig. 8 is E faces directional diagram when emulating obtained 3.2GHz in embodiment four；
Fig. 9 is E faces directional diagram when emulating obtained 6.5GHz in embodiment four；
Figure 10 is E faces directional diagram when emulating obtained 10GHz in embodiment four；
Figure 11 is to emulate obtained gain with frequency variation curve figure in embodiment four；
Figure 12 is actually measured S11 curve maps in embodiment four；
E faces directional diagram when Figure 13 is 3.2GHz actually measured in embodiment four；
H faces directional diagram when Figure 14 is 3.2GHz actually measured in embodiment four；
E faces directional diagram when Figure 15 is 6.5GHz actually measured in embodiment four；
H faces directional diagram when Figure 16 is 6.5GHz actually measured in embodiment four；
E faces directional diagram when Figure 17 is 10GHz actually measured in embodiment four；
H faces directional diagram when Figure 18 is 10GHz actually measured in embodiment four.
Embodiment
Embodiment one：Present embodiment is illustrated with reference to Fig. 1 and Fig. 2, it is a kind of small described in present embodiment
Type intersects bending omnidirectional ultra-wideband antenna, including 4 halfround bar slices 1 and 1 coaxial line 2；
The radius of 4 halfround bar slices 1 is identical, the intersecting vertical two-by-two of halfround bar slice 1, forms two dipoles, respectively dipole
The one 1-1 and 1-2 of dipole two, coaxial line 2 is located at the center line of halfround bar slice 1, and coaxial line 2 passes through the 1-2 of dipole two and dipole
One 1-1 connections, the circular arc portion of two dipoles is relative, and the distance on two dipole circular arc tops is h1, and every halfround bar slice 1 exists
Equal 90-degree bent in the counterclockwise direction at the r/2 of the straight flange left and right sides, h1 is positive number, and r is the radius of halfround bar slice 1.
By intersecting, the mode of bending is designed, emulated and processes a kind of test miniaturization omnidirectional ultra wide band day
Line..
Embodiment two：Present embodiment is illustrated with reference to Fig. 3, present embodiment is to embodiment one
A kind of described small-sized intersection bending omnidirectional ultra-wideband antenna is described further, and in present embodiment, the coaxial line 2 includes
Inner core 2-1, dielectric layer 2-2 and crust 2-3；
Inner core 2-1 outer cladding dielectric layer 2-2, dielectric layer 2-2 outer cladding crusts 2-3；What is contacted with the 1-1 of dipole one is coaxial
Line 2 divests dielectric layer 2-2 and crust 2-3.
Embodiment three：Present embodiment is to a kind of small-sized intersection bending omnidirectional described in embodiment two
Ultra-wideband antenna is described further, in present embodiment, and the diameter a of the inner core 2-1 is 0.9mm, dielectric layer 2-2 diameter
B is 3.2mm, and the relative dielectric constant ε r of medium are 2.43, and crust 2-3 thickness c is 0.1mm.
Embodiment four：Present embodiment is illustrated with reference to Fig. 4 to Figure 18, present embodiment is to specific implementation
A kind of small-sized intersection bending omnidirectional ultra-wideband antenna described in mode three is described further, and in present embodiment, r is 16mm,
The length of coaxial line 2 is 68mm, and h1 is 1mm.
The length that inner core 2-1 is contacted with the 1-1 of dipole one is 1mm.
The figure that Fig. 4 to Figure 11 obtains for emulation, wherein, Fig. 4 is S11 (reflectance factor) curve, as seen from the figure, day
The S11 parameters of line are less than -10dB in 3.1~10.6GHz frequency ranges, and the Antenna Operation bandwidth is very wide, it is adaptable to ultra wide band
System.
Antenna H surface radiations direction in 3.1~10.6GHz frequency ranges is omnidirectional radiation, and Fig. 5 to Fig. 7 is respectively frequency
H faces directional diagram during for 3.2GHz, 6.5GHz and 10GHz, Fig. 8 to Figure 10 be respectively frequency be 3.2GHz, 6.5GHz and 10GHz when
E faces directional diagram, unit is dB.Fig. 5 to Figure 10 simulation results show antenna can realize comprehensive electromagnetic wave hair
Penetrate and receive.
Figure 11 be gain with frequency variation curve figure, as seen from the figure, it can be seen that antenna in 3.1~10.6GHz frequently
Gain is more than 1.5dB in the range of rate, meets practical demand.
Figure 12 to Figure 18 is actually to measure obtained figure, wherein, Figure 12 is S11 (reflectance factor) curve, can be with by figure
Find out, the S11 parameters of antenna are less than -10dB in 3.1~10.6GHz frequency ranges.
Figure 13 to Figure 18 is the directional diagram measured in microwave dark room；Figure 13 to Figure 18 be respectively frequency for 3.2GHz,
E faces directional diagram and H faces directional diagram during 6.5GHz and 10GHz, the figure obtained with theoretical simulation coincide.
The yield value that table 1 is measured at different frequencies for the antenna of present embodiment.
The yield value measured under the different frequency of table 1
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities
Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment
Many modifications, and can be designed that other arrangements, the spirit of the invention limited without departing from appended claims
And scope.It should be understood that can be by way of different from described by original claim come with reference to different appurtenances
Profit is required and feature specifically described herein.It will also be appreciated that the feature with reference to described by separate embodiments can be used
In other described embodiments.
Claims (4)
1. a kind of small-sized intersection bending omnidirectional ultra-wideband antenna, it is characterised in that including 4 halfround bar slices (1) and 1 coaxial line
(2)；
The radius of 4 halfround bar slices (1) is identical, halfround bar slice (1) intersecting vertical two-by-two, forms two dipoles, respectively dipole
One (1-1) and dipole two (1-2), coaxial line (2) are located at the center line of halfround bar slice (1), and coaxial line (2) passes through dipole two
(1-2) is connected with dipole one (1-1), and the circular arc portion of two dipoles is relative, and the distance on two dipole circular arc tops is
H1, every halfround bar slice (1) equal 90-degree bent in the counterclockwise direction at the r/2 of the straight flange left and right sides, h1 is positive number, and r is halfround bar slice
(1) radius.
2. a kind of small-sized intersection bending omnidirectional ultra-wideband antenna according to claim 1, it is characterised in that the coaxial line
(2) inner core (2-1), dielectric layer (2-2) and crust (2-3) are included；
Inner core (2-1) outer cladding dielectric layer (2-2), dielectric layer (2-2) outer cladding crust (2-3)；Contacted with dipole one (1-1)
Coaxial line (2) divest dielectric layer (2-2) and crust (2-3).
3. a kind of small-sized intersection bending omnidirectional ultra-wideband antenna according to claim 2, it is characterised in that the inner core
The diameter a of (2-1) is 0.9mm, and the diameter b of dielectric layer (2-2) is 3.2mm, and the relative dielectric constant ε r of medium are 2.43, crust
The thickness c of (2-3) is 0.1mm.
4. a kind of small-sized intersection bending omnidirectional ultra-wideband antenna according to claim 1,2 or 3, it is characterised in that the r
For 16mm, the length of coaxial line (2) is 68mm, and h1 is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221057.8A CN106961007A (en) | 2017-04-06 | 2017-04-06 | A kind of small-sized intersection bending omnidirectional ultra-wideband antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221057.8A CN106961007A (en) | 2017-04-06 | 2017-04-06 | A kind of small-sized intersection bending omnidirectional ultra-wideband antenna |
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| CN106961007A true CN106961007A (en) | 2017-07-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
| CN102593580A (en) * | 2012-03-29 | 2012-07-18 | 哈尔滨工业大学 | Ultra-wideband omnidirectional radiation bipolar wire antenna |
| CN102610905A (en) * | 2012-04-06 | 2012-07-25 | 哈尔滨工业大学 | Symmetric ultra-wideband omni-directional antenna |
-
2017
- 2017-04-06 CN CN201710221057.8A patent/CN106961007A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
| CN102593580A (en) * | 2012-03-29 | 2012-07-18 | 哈尔滨工业大学 | Ultra-wideband omnidirectional radiation bipolar wire antenna |
| CN102610905A (en) * | 2012-04-06 | 2012-07-25 | 哈尔滨工业大学 | Symmetric ultra-wideband omni-directional antenna |
Non-Patent Citations (4)
| Title |
|---|
| CHRITZ DUNCAN EDWARD LULE: "Half Disc Element Dipole Antenna", 《2005 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, HELD IN CONJUNCTION WITH THE 2005 USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOL.2B》 * |
| GEER TENI: "Research on a Novel Folded Monopole With Ultrawideband Bandwidth", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| ZHANG YANG等: "Novel Ultra-wide Band Omni-directional Dipole Antenna", 《2012 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT)》 * |
| 张鹏宇: "超宽带半圆片全向天线的设计", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
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Application publication date: 20170718 |
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