CN109149098A - A kind of pole wide-band printing unipole antenna - Google Patents
A kind of pole wide-band printing unipole antenna Download PDFInfo
- Publication number
- CN109149098A CN109149098A CN201811177770.8A CN201811177770A CN109149098A CN 109149098 A CN109149098 A CN 109149098A CN 201811177770 A CN201811177770 A CN 201811177770A CN 109149098 A CN109149098 A CN 109149098A
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- unipole antenna
- radiation patch
- band printing
- pole
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- 238000007639 printing Methods 0.000 title claims abstract description 57
- 230000005855 radiation Effects 0.000 claims abstract description 59
- 230000008859 change Effects 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 230000009466 transformation Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000005404 monopole Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
-
- 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
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
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- Waveguide Aerials (AREA)
Abstract
The present invention relates to wireless location technology fields, specifically disclose a kind of pole wide-band printing unipole antenna, wherein, pole wide-band printing unipole antenna includes: microstrip line, radiation patch, dielectric substrate and earth plate, the one side of dielectric substrate is arranged in microstrip line and radiation patch, one end of microstrip line is connect with radiation patch, the another side of dielectric substrate is arranged in earth plate, at least one gradual change slot is opened up in radiation patch, and form a secondary radiation patch, the width of gradual change slot is become narrow gradually by the direction far from microstrip line to the direction close to microstrip line in radiation patch, microstrip line is for realizing feed and impedance transformation, electromagnetic radiation is capable of forming between radiation patch and earth plate, the secondary radiation patch and gradual change slot formed in radiation patch can expand bandwidth of operation.Wide-band printing unipole antenna in pole provided by the invention can effectively expand the bandwidth of operation of pole wide-band printing unipole antenna, so that the operating frequency range covering of pole wide-band printing unipole antenna is big.
Description
Technical field
The present invention relates to wireless location technology field more particularly to a kind of pole wide-band printing unipole antennas.
Background technique
With the rapid development of science and technology, the utilization rate for improving resource becomes a very valuable project.Existing
In the wireless communication system of generationization, common narrow-band antenna is often unable to satisfy equipment multiband, multi-functional work requirements, and
Arrangement multiple antenna, which is easy to produce, to be interfered with each other, and equipment volume is increased.Therefore, ultra-wideband antenna becomes the development side of future antenna
To.Earliest ultra-wideband antenna has biconical antenna, discone antenna, spherical antenna etc., is all three-dimensional structure, there is huge body
Product.In order to adapt to device miniaturization and integrated demand, existing ultra-wideband antenna generallys use planar structure, generally by covering
Monopole patch and earth plate composition on dielectric substrate, can be realized by plane electric circuit technology, low in cost, be easy
It is integrated or conformal with other equipment.Common ultra-wideband antenna only has the impedance bandwidth of 3:1, and pole broad-band antenna has more than 10:1
Bandwidth ratio.
Current era, wireless communication have become the mainstream of communication mode, this results in frequency spectrum resource more and more nervous, no
An important research direction is also become with interfering with each other between frequency range.Most common mobile communication mainly utilizes 700MHz
To the frequency range of 6GHz.And when realizing positioning function by antenna, how to make work of the antenna in wireless positioning field
Working frequency can cover a wide range of technical problem urgently to be resolved as those skilled in the art.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of pole wide-band printing monopole is provided
Antenna, to solve the problems of the prior art.
As one aspect of the present invention, a kind of pole wide-band printing unipole antenna is provided, wherein the pole wide-band printing list
Pole antenna includes: microstrip line, radiation patch, dielectric substrate and earth plate, and the microstrip line and the radiation patch are arranged in institute
The one side of dielectric substrate is stated, one end of the microstrip line is connect with the radiation patch, and the earth plate is arranged in the medium
The another side of substrate opens up at least one gradual change slot in the radiation patch, and forms a secondary radiation patch, the gradual change
The width of slot is become narrow gradually by the direction far from the microstrip line to the direction close to the microstrip line in the radiation patch,
The microstrip line is capable of forming between the radiation patch and the earth plate for realizing feed and impedance transformation
Electromagnetic radiation, the secondary radiation patch and the gradual change slot formed in the radiation patch can expand bandwidth of operation.
Preferably, two symmetrically arranged gradual change slots, the structure shape between two gradual change slots are opened up in the radiation patch
At the secondary radiation patch.
Preferably, the radiation patch and the shape of the secondary radiation patch are semi-oval.
Preferably, shape of the earth plate close to the side of the radiation patch is arc-shaped.
Preferably, the pole wide-band printing unipole antenna further includes filter structure, and the filter structure is arranged in parallel in institute
It states on microstrip line, the filter structure can change the operating frequency range of pole wide-band printing unipole antenna.
Preferably, it is provided with switch between the filter structure and the microstrip line, described when closing the switch, the filtering
Structure conducting, the microstrip line disconnect, and the operating frequency range of the pole wide-band printing unipole antenna is 150MHz to 700MHz,
When the switch disconnects, the filter structure is disconnected, the microstrip line conducting, the work frequency of the pole wide-band printing unipole antenna
Rate range is 150MHz to 7GHz.
Preferably, the filter structure includes low-pass filter.
Preferably, the low-pass filter includes Chebyshev type Microstrip Low-Pass.
Preferably, the dielectric constant range of the dielectric substrate is 2.2~10.2, and the thickness range of the dielectric substrate is
0.254mm~3mm.
Preferably, the material of the radiation patch and the earth plate includes copper.
Wide-band printing unipole antenna in pole provided by the invention by the way that gradual change slot is arranged in radiation patch, and passes through setting
Gradual change slot forms secondary radiation patch, can effectively expand the bandwidth of operation of pole wide-band printing unipole antenna, so that pole broadband prints
The operating frequency range covering of brush unipole antenna is big, may be implemented be more than 40:1 impedance bandwidth.In addition, pole provided by the invention
Wide-band printing unipole antenna have structure it is simple, it is easy to process and design advantage.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of wide-band printing unipole antenna in pole provided by the invention.
Fig. 2 is the top view of wide-band printing unipole antenna in pole provided by the invention.
Fig. 3 (a) is the antenna structure top view for not opening up gradual change slot.
Fig. 3 (b) is the simulation result pair of antenna structure shown in pole wide-band printing unipole antenna and Fig. 3 (a) of the invention
Than figure.
Fig. 4 is the structural schematic diagram that the pole wide-band printing unipole antenna of filter structure is arranged.
Fig. 5 is the concrete structure schematic diagram of filter structure.
Fig. 6 is the schematic illustration of two kinds of different current paths of pole wide-band printing unipole antenna.
Fig. 7 is the Structure Comparison figure of filter structure access and microstrip line access.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As one aspect of the present invention, a kind of pole wide-band printing unipole antenna is provided, wherein as depicted in figs. 1 and 2,
The pole wide-band printing unipole antenna includes: microstrip line 10, radiation patch 20, dielectric substrate 30 and earth plate 40, the micro-strip
The one side of the dielectric substrate 30 is arranged in line 10 and the radiation patch 20, and one end of the microstrip line 10 and the radiation are pasted
Piece 20 connects, and the earth plate 40 is arranged in the another side of the dielectric substrate 30, opens up at least one in the radiation patch 20
A gradual change slot 21, and a secondary radiation patch 22 is formed, the width of the gradual change slot 21 is in the radiation patch 20 by remote
Direction to the direction close to the microstrip line 10 from the microstrip line 10 becomes narrow gradually,
The microstrip line 10 is for realizing feed and impedance transformation, energy between the radiation patch 20 and the earth plate 40
Electromagnetic radiation is enough formed, the secondary radiation patch 22 and the gradual change slot 21 formed in the radiation patch 20 can be expanded
Bandwidth of operation.
Wide-band printing unipole antenna in pole provided by the invention by the way that gradual change slot is arranged in radiation patch, and passes through setting
Gradual change slot forms secondary radiation patch, can effectively expand the bandwidth of operation of pole wide-band printing unipole antenna, so that pole broadband prints
The operating frequency range covering of brush unipole antenna is big, may be implemented be more than 40:1 impedance bandwidth.In addition, pole provided by the invention
Wide-band printing unipole antenna have structure it is simple, it is easy to process and design advantage.
Specifically, if Fig. 3 (a) is the antenna structure top view for being not provided with gradual change slot, Fig. 3 (b) is provided by the invention
The simulation result comparison diagram of pole wide-band printing unipole antenna and antenna structure shown in Fig. 3 (a).Pass through the simulation result of Fig. 3 (b)
Comparison diagram can be seen that wide-band printing unipole antenna in pole provided by the invention and effectively increase aerial band due to opening up gradual change slot
Width improves the performance of antenna.
Preferably, as shown in Figure 1, opening up two symmetrically arranged gradual change slots 21, two gradual changes in the radiation patch 20
Structure between slot 21 forms the secondary radiation patch 22.
It should be understood that two gradual change slots 21 are symmetrically opened up, it being capable of the significantly more efficient performance for improving antenna.
Preferably, the radiation patch 20 and the shape of the secondary radiation patch 22 are semi-oval.
Preferably, as shown in Fig. 2, shape of the earth plate 40 close to the side of the radiation patch 20 is arc-shaped.
It should be noted that the parameter value of the pole wide-band printing unipole antenna marked in Fig. 2 is specifically as shown in table 1.
The parameter value (unit: mm) of 1 pole wide-band printing unipole antenna of table
Specifically, in order to when realizing positioning function, the interference that can effectively avoid the working frequency range of mobile communication from generating,
As shown in figure 4, the pole wide-band printing unipole antenna further includes filter structure 50, the filter structure 50 is arranged in parallel described
On microstrip line 10, the filter structure 50 can change the operating frequency range of pole wide-band printing unipole antenna.
It is understood that changing the working frequency model of pole wide-band printing unipole antenna by the way that filter structure 50 is arranged
It encloses, effectively shields interference of the frequency range of mobile communication to positioning antenna.
Specifically, it is provided with switch between the filter structure 50 and the microstrip line 10, it is described when closing the switch, it is described
Filter structure conducting, the microstrip line disconnect, and the operating frequency range of the pole wide-band printing unipole antenna arrives for 150MHz
700MHz, when the switch disconnects, the filter structure is disconnected, the microstrip line conducting, the pole wide-band printing unipole antenna
Operating frequency range be 150MHz to 7GHz.
It should be understood that passing through the conducting and disconnection of switch control filter structure, so that pole wide-band printing unipole antenna
Both it can work in the wide frequency range of pole, can also work within the scope of ultra-wideband, so as to effectively avoid mobile communication frequency
The interference that section generates.
Preferably, the filter structure 50 includes low-pass filter.
It is further preferred that the low-pass filter includes Chebyshev type Microstrip Low-Pass.
Specifically, filter structure 50 is as shown in figure 5, preferably Chebyshev type Microstrip Low-Pass, corresponding with Fig. 5
The design parameter of filter structure is as shown in table 2.Filter structure 50 is connected in parallel on 10 side of microstrip line, is changed with switching on-off
Current path.Filter structure 50 conducting and microstrip line 10 disconnect when, the frequency range of 700MHz or more is filtered, the pole wide-band printing
The operating frequency range of unipole antenna is 150MHz to 700MHz；Filter structure 50 disconnect and microstrip feed line be connected when, the pole
The operating frequency range of wide-band printing unipole antenna is 150MHz to 7GHz.The result of two kinds of different current paths is as shown in Figure 6.
The design parameter value (unit: mm) of 2 filter structure of table
As shown in fig. 7, being the Structure Comparison figure of filter structure access and microstrip line access.
Specifically, the dielectric constant range of the dielectric substrate 30 is 2.2~10.2, the thickness model of the dielectric substrate 30
It encloses for 0.254mm~3mm.
Preferably, the material of the dielectric substrate 30 is FR4 grade, and the dielectric constant of the dielectric substrate 30 is 4.4, institute
The tangent angle loss of dielectric substrate 30 is stated as 0.001, the dielectric substrate 30 with a thickness of 1mm.
It should be noted that the tangent angle loss of the dielectric substrate 30 can change with the variation of material.
Specifically, the material of the radiation patch 20 and the earth plate 40 includes copper.
It should be understood that radiation patch 20 and earth plate 40 can use metal copper sheet, the wherein thickness of metal copper sheet
Degree can be 0.035mm.
Therefore, wide-band printing unipole antenna in pole provided by the invention is set based on the technologies such as planar monopole antenna and microstrip line
Made of meter, it uses plane electric circuit technique, and dielectric substrate upper layer is microstrip line and radiation patch, and lower layer is ground connection
Plate.The pole wide-band printing unipole antenna working band wide coverage has good in positioning system and ultra-wideband communications
Application prospect.For the interference for shielding high frequency radio signal, Chebyshev type low-pass filter circuit is added to by feeder,
The filter is equally realized with micro-band technique, with switch control current path, is realized the adjusting of operating frequency range, that is, is realized frequency
Rate range it is adjustable controllable.Therefore, wide-band printing unipole antenna in pole provided by the invention may be implemented be more than 40:1 impedance band
Width, working band coverage area are very big；It, can also be with curved surface and due to easily being integrated with other circuits using planar structure
It is conformal, improve space utilization rate；The pole wide-band printing unipole antenna also has structure simple, easy to process and design, can be with
It is realized by PCB technology, low-cost advantage.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of pole wide-band printing unipole antenna, which is characterized in that the pole wide-band printing unipole antenna includes: microstrip line, spoke
Patch, dielectric substrate and earth plate are penetrated, the one side of the dielectric substrate is arranged in the microstrip line and the radiation patch, described
One end of microstrip line is connect with the radiation patch, and the another side of the dielectric substrate, the radiation is arranged in the earth plate
At least one gradual change slot is opened up on patch, and forms a secondary radiation patch, and the width of the gradual change slot is pasted in the radiation
On piece is become narrow gradually by the direction far from the microstrip line to the direction close to the microstrip line,
The microstrip line is capable of forming electromagnetism between the radiation patch and the earth plate for realizing feed and impedance transformation
It radiates, the secondary radiation patch and the gradual change slot formed in the radiation patch can expand bandwidth of operation.
2. wide-band printing unipole antenna in pole according to claim 1, which is characterized in that open up two in the radiation patch
Symmetrically arranged gradual change slot, the structure between two gradual change slots form the secondary radiation patch.
3. wide-band printing unipole antenna in pole according to claim 1 or 2, which is characterized in that the radiation patch and described
The shape of secondary radiation patch is semi-oval.
4. wide-band printing unipole antenna in pole according to claim 1, which is characterized in that the earth plate is close to the radiation
The shape of the side of patch is arc-shaped.
5. wide-band printing unipole antenna in pole according to claim 1, which is characterized in that the pole wide-band printing unipole antenna
It further include filter structure, the filter structure is arranged in parallel on the microstrip line, and the filter structure can change pole broadband
The operating frequency range of printed monopole antenna.
6. wide-band printing unipole antenna in pole according to claim 5, which is characterized in that the filter structure and the micro-strip
It is provided with switch between line, described when closing the switch, the filter structure conducting, the microstrip line disconnects, the pole broadband print
The operating frequency range of brush unipole antenna is 150MHz to 700MHz, and when the switch disconnects, the filter structure is disconnected, described
Microstrip line conducting, the operating frequency range of the pole wide-band printing unipole antenna are 150MHz to 7GHz.
7. wide-band printing unipole antenna in pole according to claim 5, which is characterized in that the filter structure includes low pass filtered
Wave device.
8. wide-band printing unipole antenna in pole according to claim 7, which is characterized in that the low-pass filter includes contract ratio
Avenge husband's type Microstrip Low-Pass.
9. wide-band printing unipole antenna in pole according to claim 1, which is characterized in that the dielectric constant of the dielectric substrate
Range is 2.2 ~ 10.2, and the thickness range of the dielectric substrate is 0.254mm ~ 3mm.
10. wide-band printing unipole antenna in pole according to claim 1, which is characterized in that the radiation patch and described connect
The material on floor includes copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177770.8A CN109149098B (en) | 2018-10-10 | Ultra-wideband printed monopole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177770.8A CN109149098B (en) | 2018-10-10 | Ultra-wideband printed monopole antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109149098A true CN109149098A (en) | 2019-01-04 |
| CN109149098B CN109149098B (en) | 2024-09-24 |
Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659689A (en) * | 2019-01-28 | 2019-04-19 | 上海电力学院 | A kind of four frequency channel microstrip antennas for the detection of partial-discharge ultrahigh-frequency method |
| CN109742529A (en) * | 2019-01-21 | 2019-05-10 | 哈尔滨工业大学 | A kind of ultra wide band abnormity slot antenna applied to ground penetrating radar system |
| WO2022089089A1 (en) * | 2020-10-27 | 2022-05-05 | 华为技术有限公司 | Antenna and terminal device |
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| CN105789858A (en) * | 2014-12-22 | 2016-07-20 | 哈尔滨飞羽科技有限公司 | New type monopole ultra wide band antenna with rhombus slot |
| CN206349513U (en) * | 2017-01-09 | 2017-07-21 | 中国人民解放军防空兵学院 | A kind of single trap ultra-wideband monopole antenna |
| CN207199830U (en) * | 2017-08-11 | 2018-04-06 | 深圳山脊技术有限公司 | A kind of circular polarisation filter antenna |
| CN208782029U (en) * | 2018-10-10 | 2019-04-23 | 江苏中科智睿物联网科技有限公司 | A kind of pole wide-band printing unipole antenna |
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| TW200847524A (en) * | 2007-05-24 | 2008-12-01 | Univ Southern Taiwan Tech | A miniaturized three-frequency rhombus coplanar waveguide antenna |
| CN201167134Y (en) * | 2008-03-14 | 2008-12-17 | 东南大学 | Ultra-wideband printed antennae with double-stopband function |
| CN102280702A (en) * | 2011-05-13 | 2011-12-14 | 上海大学 | Very broadband multiterminal feed printing one pole antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742529A (en) * | 2019-01-21 | 2019-05-10 | 哈尔滨工业大学 | A kind of ultra wide band abnormity slot antenna applied to ground penetrating radar system |
| CN109659689A (en) * | 2019-01-28 | 2019-04-19 | 上海电力学院 | A kind of four frequency channel microstrip antennas for the detection of partial-discharge ultrahigh-frequency method |
| WO2022089089A1 (en) * | 2020-10-27 | 2022-05-05 | 华为技术有限公司 | Antenna and terminal device |
| CN114498006A (en) * | 2020-10-27 | 2022-05-13 | 华为技术有限公司 | Antenna and terminal equipment |
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